CN110368610B - Positive pressure type chemical oxygen operation respirator - Google Patents
Positive pressure type chemical oxygen operation respirator Download PDFInfo
- Publication number
- CN110368610B CN110368610B CN201910601400.0A CN201910601400A CN110368610B CN 110368610 B CN110368610 B CN 110368610B CN 201910601400 A CN201910601400 A CN 201910601400A CN 110368610 B CN110368610 B CN 110368610B
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- positive pressure
- gasbag
- cooler
- air inlet
- respirator
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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
-
- 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
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- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Emergency Medicine (AREA)
- General Chemical & Material Sciences (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a positive pressure type chemical oxygen operation respirator which comprises a full-isolation mask, wherein the full-isolation mask is connected with one end of a breathing tube, the other end of the breathing tube is respectively connected with an air inlet air bag and a cooler II, the air inlet air bag is connected with an oxygen generating tank, the chemical oxygen generating tank is connected with a cooler I, the cooler I is connected with an air outlet air bag, the air outlet air bag is connected with the cooler II, positive pressure spring mechanisms are arranged on the air inlet air bag and the air outlet air bag, and the cooler I is connected with the bottom of an oxygen candle. The positive pressure type chemical oxygen operation respirator solves the problem that the mask is negative pressure when the chemical oxygen operation respirator is used by arranging the air inlet and outlet air bags and the positive pressure spring mechanism, ensures that the pressure in the mask of the respirator is always more than 0Pa when a wearer uses the respirator, maintains positive pressure, effectively prevents toxic and harmful gases, dust and other substances in the external environment from entering the mask to be inhaled into a human body, and ensures the life safety of emergency rescue workers.
Description
Technical Field
The invention relates to the technical field of chemical oxygen respirators, in particular to a positive pressure type chemical oxygen operation respirator.
Background
The chemical oxygen operation respirator can effectively solve the defects that the current air respirator is short in service time and usually does not exceed 1 hour, and meanwhile compared with the existing oxygen respirator, the chemical oxygen agent is utilized to absorb carbon dioxide exhaled by a wearer and produce oxygen for inhalation, a traditional high-pressure oxygen bottle is not used for supplying oxygen, hidden dangers caused by high-pressure and high-concentration oxygen are avoided, a calcium hydroxide cleaning tank is not needed to specially remove carbon dioxide exhaled by a human body, the use and maintenance are simple, and emergency assistance personnel can work for 4 hours in dangerous environments such as a fire scene, toxic and harmful gas leakage and hypoxia; however, negative pressure can appear in the face mask in the process of breathing in the current chemical oxygen operation respirator, and some toxic and harmful gases, dust and other substances in the external environment can enter the face mask to be inhaled into the human body, so that potential safety hazards are brought.
Disclosure of Invention
Aiming at the technical problems in the related art, the invention provides a positive pressure type chemical oxygen operation respirator which can overcome the defects in the prior art.
In order to achieve the technical purpose, the technical scheme of the invention is realized as follows:
The utility model provides a positive pressure formula chemical oxygen homework respirator, includes full isolated face guard, the one end of respiratory tube is connected to full isolated face guard, air inlet gasbag, cooler II are connected respectively to the other end of respiratory tube, air inlet gasbag connects the chemical oxygen generation jar, cooler I is connected to the chemical oxygen generation jar, air outlet gasbag is connected to cooler I, air outlet gasbag is connected cooler II, be equipped with positive pressure spring mechanism on air inlet gasbag and the air outlet gasbag, cooler I is connected with the bottom of oxygen candle.
Further, the total volume of the air inlet air bag and the air outlet air bag is 6-8L.
Further, the volume ratio of the air inlet air bag to the air outlet air bag is 1:2-1:4.
Furthermore, the air inlet air bag and the air outlet air bag are externally provided with alarms.
The invention has the beneficial effects that: under the condition that a high-pressure gas cylinder or a booster fan with a power supply is not added, the positive pressure type chemical oxygen operation respirator solves the problem that the mask is negative pressure when the chemical oxygen operation respirator is used by arranging the gas inlet and outlet air bags and the positive pressure spring mechanism, ensures that the pressure in the mask of the respirator is always more than 0Pa when a wearer uses the chemical oxygen operation respirator, maintains the positive pressure, effectively prevents some toxic and harmful gases, dust and other substances in the external environment from entering the mask to be inhaled into a human body, and greatly ensures the respiratory life safety of emergency rescue workers.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic illustration of a positive pressure chemical oxygen working respirator according to an embodiment of the present invention;
FIG. 2 is a side view of a positive pressure chemical oxygen working respirator according to an embodiment of the present invention;
In the figure: 1. a full isolation mask; 2. a breathing tube; 3. an air intake air bag; 4. an air outlet air bag; 5. chemical oxygen tank; 6. a cooler I; 7. a cooler II; 8. a positive pressure spring mechanism; 9. alarm, 10, oxygen candle.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the invention, fall within the scope of protection of the invention.
As shown in fig. 1-2, the positive pressure type chemical oxygen working respirator according to the embodiment of the invention comprises a full-isolation mask 1, wherein the full-isolation mask 1 is connected with one end of a breathing tube 2, the other end of the breathing tube 2 is respectively connected with an air inlet air bag 3 and a cooler II7, the air inlet air bag 3 is connected with a chemical oxygen generation tank 5, the chemical oxygen generation tank 5 is connected with a cooler I6, the cooler I6 is connected with an air outlet air bag 4, the air outlet air bag 4 is connected with the cooler II7, the air inlet air bag 3 is connected with the cooler II7, positive pressure spring mechanisms 8 are arranged on the air inlet air bag 3 and the air outlet air bag 4, and the cooler I6 is connected with the bottom of an oxygen candle 10.
The total volume of the air inlet air bag 3 and the air outlet air bag 4 is 6-8L. The volume ratio of the air inlet air bag 3 to the air outlet air bag 4 is 1:2-1:4. The outside of the air inlet air bag 3 and the air outlet air bag 4 is provided with an alarm 9, and the alarm 9 is connected with a sensor in the respirator.
The oxygen candle generates oxygen with the quantity not less than 8L, ensures that the air bag is full, and the spring above the air bag is jacked up to generate pressure more than 500 Pa.
In order to facilitate understanding of the above technical solutions of the present invention, the following describes the above technical solutions of the present invention in detail by a specific usage manner.
The positive pressure type chemical oxygen operation respirator comprises a full-isolation mask 1, a breathing tube 2, an air inlet air bag 3, an air outlet air bag 4, a chemical oxygen generation tank 5, a cooler I6, a cooler II7, a positive pressure spring mechanism 8, an alarm 9 and an oxygen candle 10.
The expired gas enters the chemical oxygen generating tank 5 after passing through the full isolation mask 1, the breathing tube 2 and the air inlet air bag 3, oxygen is generated by the reaction of the oxygen generating agent in the chemical oxygen generating tank 5 and carbon dioxide, and the oxygen returns to the mask 1 after passing through the chemical oxygen generating tank 5, the cooler I6, the air outlet air bag 4, the cooler II7 and the breathing tube 2.
The chemical oxygen generating tank 5 comprises a tank body, and an oxygen generating agent which can react with carbon dioxide and generate oxygen is arranged in the tank body.
The oxygen candle is connected with the cooler I, and at the initial stage of using the respirator, oxygen which is rapidly generated by the oxygen candle firstly enters the air inlet air bag and the air outlet air bag, and the positive pressure spring mechanism above the extrusion air bag is filled with the oxygen to generate positive pressure (more than 500 Pa), so that the pressure in the face mask is always more than 0Pa when the wearer breathes later, and the positive pressure is maintained.
The alarm is connected with the sensor in the respirator, and monitors and alarms the service time of the respirator.
In conclusion, by means of the technical scheme, the bottleneck problem that the negative pressure of the respirator mask for chemical oxygen operation is unsafe is solved, the life safety of rescue workers is greatly guaranteed, and a foundation is laid for large-scale popularization and application of the respirator.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (1)
1. The utility model provides a positive pressure chemical oxygen operation respirator, its characterized in that includes full isolation face guard (1), the one end of breathing tube (2) is connected to full isolation face guard (1), the other end of breathing tube (2) is connected air inlet gasbag (3) respectively, cooler II (7), air inlet gasbag (3) are connected chemical student oxygen jar (5), cooler I (6) is connected to chemical oxygen generation jar (5), cooler I (6) are connected air outlet gasbag (4), air outlet gasbag (4) are connected cooler II (7), be equipped with positive pressure spring mechanism (8) on air inlet gasbag (3) and air outlet gasbag (4), cooler I (6) are connected with the bottom of oxygen (10), air inlet gasbag (3) and air outlet gasbag (4) outside are equipped with alarm (9), air inlet gasbag (3) and air outlet gasbag (4) total volume is 6-8L, air inlet gasbag (3) and air outlet gasbag (4) volume ratio is 1:2-1:4, oxygen (10) and air outlet gasbag (6) are connected with air outlet gasbag (4) and are used and are pressed positive pressure air inlet candles (10) to produce positive pressure candles (10) with air inlet candles (10) and are used to produce positive pressure candles (10) on the air inlet gasbags (4), so as to ensure that the pressure in the face mask is always more than 0Pa and maintain positive pressure when the wearer breathes later.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910601400.0A CN110368610B (en) | 2019-07-04 | 2019-07-04 | Positive pressure type chemical oxygen operation respirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910601400.0A CN110368610B (en) | 2019-07-04 | 2019-07-04 | Positive pressure type chemical oxygen operation respirator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110368610A CN110368610A (en) | 2019-10-25 |
| CN110368610B true CN110368610B (en) | 2024-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910601400.0A Active CN110368610B (en) | 2019-07-04 | 2019-07-04 | Positive pressure type chemical oxygen operation respirator |
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| CN (1) | CN110368610B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108042942A (en) * | 2017-10-27 | 2018-05-18 | 沈佩军 | A kind of new oxygen-producing respirator |
| CN109513128A (en) * | 2017-09-18 | 2019-03-26 | 北京安氧特科技有限公司 | A kind of double bolloon operation type chemical oxygen respirator |
| CN211097130U (en) * | 2019-07-04 | 2020-07-28 | 北京安氧特科技有限公司 | Positive pressure type chemical oxygen operation respirator |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3901581A1 (en) * | 1989-01-20 | 1990-08-02 | Draegerwerk Ag | RESPIRATORY DEVICE WITH OVERPRESSURE IN A CIRCUIT |
| CN2527307Y (en) * | 2002-01-25 | 2002-12-25 | 夏云凤 | Self-lifesaving respirator with fire-fighting chemical oxygen |
| CN202140113U (en) * | 2011-07-22 | 2012-02-08 | 陕西斯达煤矿安全装备有限公司 | Isolation type chemical-oxygen self-rescuer |
| CN203677768U (en) * | 2013-12-27 | 2014-07-02 | 辽宁卓异装备制造股份有限公司 | Positive pressure oxygen breathing apparatus for mines |
| CN104436456B (en) * | 2014-12-12 | 2017-12-01 | 陕西斯达防爆安全科技股份有限公司 | A kind of isolation type chemical-oxygen self-rescuer |
-
2019
- 2019-07-04 CN CN201910601400.0A patent/CN110368610B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109513128A (en) * | 2017-09-18 | 2019-03-26 | 北京安氧特科技有限公司 | A kind of double bolloon operation type chemical oxygen respirator |
| CN108042942A (en) * | 2017-10-27 | 2018-05-18 | 沈佩军 | A kind of new oxygen-producing respirator |
| CN211097130U (en) * | 2019-07-04 | 2020-07-28 | 北京安氧特科技有限公司 | Positive pressure type chemical oxygen operation respirator |
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| CN110368610A (en) | 2019-10-25 |
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