CN211097130U - Positive pressure type chemical oxygen operation respirator - Google Patents
Positive pressure type chemical oxygen operation respirator Download PDFInfo
- Publication number
- CN211097130U CN211097130U CN201921030531.XU CN201921030531U CN211097130U CN 211097130 U CN211097130 U CN 211097130U CN 201921030531 U CN201921030531 U CN 201921030531U CN 211097130 U CN211097130 U CN 211097130U
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- China
- Prior art keywords
- gasbag
- chemical oxygen
- cooler
- respirator
- anger
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 59
- 239000001301 oxygen Substances 0.000 title claims abstract description 59
- 239000000126 substance Substances 0.000 title claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 10
- 239000007789 gas Substances 0.000 abstract description 5
- 230000000241 respiratory effect Effects 0.000 abstract description 4
- 239000000428 dust Substances 0.000 abstract description 3
- 231100000614 poison Toxicity 0.000 abstract description 2
- 230000007096 poisonous effect Effects 0.000 abstract description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 101100269850 Caenorhabditis elegans mask-1 gene Proteins 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model discloses a positive pressure formula chemical oxygen operation respirator, including the complete isolated face guard, the one end of respiratory tube is connected to the complete isolated face guard, gasbag, cooler II that admits air are connected respectively to the other end of respiratory tube, the gasbag connection chemical oxygen generating tank that admits air, cooler I is connected to the chemical oxygen generating tank, cooler I connects the gasbag of giving vent to anger, the gasbag connection of giving vent to anger cooler II, the gasbag that admits air is equipped with malleation spring mechanism on the gasbag with the gasbag of giving vent to anger, cooler I is connected with the bottom of oxygen candle. The utility model discloses a positive pressure formula chemical oxygen operation respirator is through setting up into, give vent to anger gasbag and malleation spring mechanism, and the difficult problem that the face guard was the negative pressure when having solved chemical oxygen operation respirator and using, and respirator face guard internal pressure is greater than 0Pa all the time when guaranteeing to wear personnel to use, maintains the malleation, prevents effectively that substances such as poisonous and harmful gas and dust among the external environment from getting into the face guard in and absorbing the human body, has ensured emergency rescue personnel's life safety.
Description
Technical Field
The utility model relates to a chemical oxygen respirator technical field particularly, relates to a positive pressure formula chemical oxygen operation respirator.
Background
The chemical oxygen operation respirator can effectively solve the defects that the current air respirator has short service time and usually does not exceed 1 hour, simultaneously, compared with the existing oxygen respirator, the chemical oxygen generating agent is utilized to absorb carbon dioxide exhaled by a wearer and generate oxygen for inhalation, a traditional high-pressure oxygen cylinder is not used for supplying oxygen, the hidden danger caused by high-pressure and high-concentration oxygen is avoided, a calcium hydroxide cleaning tank is not needed to specially remove the carbon dioxide exhaled by a human body, the use and maintenance are simple, and the chemical oxygen operation respirator can be used for 4 hours when emergency rescue personnel work in dangerous environments such as a fire scene, toxic and harmful gas leakage, oxygen deficiency and the like; however, negative pressure can occur in the mask in the inspiration process of the existing chemical oxygen operation respirator, and substances such as toxic and harmful gases, dust and the like in the external environment can enter the mask to be inhaled into a human body, so that potential safety hazards are brought.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem among the correlation technique, the utility model provides a positive pressure formula chemical oxygen operation respirator can overcome prior art's the above-mentioned not enough.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:
the utility model provides a positive pressure formula chemical oxygen operation respirator, includes the complete isolated face guard, the one end of respiratory tube is connected to the complete isolated face guard, gasbag, cooler II of admitting air are connected respectively to the other end of respiratory tube, the gasbag connection chemical oxygen generating tank of admitting air, cooler I is connected to the chemical oxygen generating tank, the gasbag of giving vent to anger is connected to cooler I, the gasbag connection of giving vent to anger cooler II, the gasbag of admitting air is equipped with malleation spring mechanism on the gasbag of giving vent to anger, 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.
Furthermore, the volume ratio of the air inlet air bag to the air outlet air bag is 1:2-1: 4.
Furthermore, alarms are arranged outside the air inlet air bag and the air outlet air bag.
The utility model has the advantages that: the utility model discloses a positive pressure formula chemical oxygen operation respirator is under the booster fan condition that does not increase gas cylinder or take the power, advance through the setting, gasbag and malleation spring mechanism give vent to anger, the difficult problem that the face guard is the negative pressure when having solved chemical oxygen operation respirator and using, respirator face guard internal pressure is greater than 0Pa all the time when guaranteeing to wear personnel's use, maintain the malleation, prevent effectively that substances such as some poisonous and harmful gases and dust among the external environment from getting into the face guard internal suction human body, very big guarantee emergency rescue personnel's breathing life safety.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a positive pressure chemical oxygen respirator according to an embodiment of the present invention;
FIG. 2 is a side view of a positive pressure chemical oxygen 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 bladder; 4. an air outlet air bag; 5. a chemical oxygen generating tank; 6. a cooler I; 7. a cooler II; 8. a positive pressure spring mechanism; 9. alarm, 10, oxygen candle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
As shown in fig. 1-2, according to the embodiment of the present invention, a positive pressure type chemical oxygen respirator comprises a full-isolation face mask 1, the one end of a breathing tube 2 is connected to the full-isolation face mask 1, the other end of the breathing tube 2 is respectively connected to an air inlet bag 3 and a cooler II7, the air inlet bag 3 is connected to a chemical oxygen tank 5, the chemical oxygen tank 5 is connected to a cooler I6, the cooler I6 is connected to an air outlet bag 4, the air outlet bag 4 is connected to the cooler II7, the air inlet bag 3 is connected to the cooler II7, the air inlet bag 3 and the air outlet bag 4 are provided with positive pressure spring mechanisms 8, and the cooler I6 is connected to 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, an alarm 9 is arranged outside the air inlet air bag 3 and the air outlet air bag 4, and the alarm 9 is connected with a sensor in the respirator.
The oxygen generation amount of the oxygen candle is not less than 8L, so that the air bag is filled, and the spring above the air bag is jacked to generate pressure of more than 500 Pa.
For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention are explained in detail through specific use modes below.
A positive pressure formula chemical oxygen operation respirator contain isolated face guard 1 entirely, breathing tube 2, air bag 3 of admitting air, the gasbag 4 of giving vent to anger, chemical oxygen generating tank 5, cooler I6, cooler II7, malleation spring mechanism 8, siren 9, oxygen candle 10.
The exhaled air enters the chemical oxygen generating tank 5 after passing through the full-isolation face mask 1, the breathing tube 2 and the air inlet air bag 3, oxygen generating agents in the chemical oxygen generating tank 5 react with carbon dioxide to generate oxygen, and the oxygen returns to the face 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 oxygen generating agents which can react with carbon dioxide and generate oxygen are placed in the tank body.
Oxygen candle and cooler I link to each other, and the respirator uses the initial stage, utilizes the oxygen that oxygen candle produced fast to get into the gasbag that admits air and the gasbag of giving vent to anger earlier, and it is sufficient to extrude gasbag top malleation spring mechanism and produce the malleation (being greater than 500 Pa) with it, and then when guaranteeing the follow-up breathing of wearing personnel and using, face guard internal pressure is greater than 0Pa all the time, maintains the malleation.
The alarm is connected with a sensor in the respirator to monitor and alarm the use time of the respirator.
To sum up, with the help of the above technical scheme of the utility model, effectively solved the unsafe this bottleneck difficult problem of chemical oxygen operation respirator face guard negative pressure, very big guarantee rescuer's life safety, establish the basis to the extensive popularization and application of this respirator.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a positive pressure formula chemical oxygen operation respirator, its characterized in that, includes completely isolated face guard (1), the one end of breathing pipe (2) is connected in completely isolated face guard (1), gasbag (3), cooler II (7) of admitting air are connected respectively to the other end of breathing pipe (2), the gasbag (3) of admitting air is connected chemical oxygen generating tank (5), cooler I (6) is connected in chemical oxygen generating tank (5), gasbag (4) of giving vent to anger is connected in cooler I (6), gasbag (4) of giving vent to anger is connected cooler II (7), be equipped with malleation spring mechanism (8) on gasbag (3) of admitting air and the gasbag (4) of giving vent to anger, cooler I (6) are connected with the bottom of oxygen candle (10).
2. The positive pressure chemical oxygen respirator of claim 1, wherein the total volume of the inlet (3) and outlet (4) airbags is 6-8L.
3. The positive pressure chemical oxygen respirator of claim 1, wherein the volume ratio of the air inlet bag (3) to the air outlet bag (4) is 1:2-1: 4.
4. The positive pressure chemical oxygen respirator of claim 1, wherein the air inlet bag (3) and the air outlet bag (4) are externally provided with alarms (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921030531.XU CN211097130U (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 |
|---|---|---|---|
| CN201921030531.XU CN211097130U (en) | 2019-07-04 | 2019-07-04 | Positive pressure type chemical oxygen operation respirator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211097130U true CN211097130U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921030531.XU Active CN211097130U (en) | 2019-07-04 | 2019-07-04 | Positive pressure type chemical oxygen operation respirator |
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| CN (1) | CN211097130U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110368610A (en) * | 2019-07-04 | 2019-10-25 | 北京安氧特科技有限公司 | A kind of positive-pressure type chemical oxygen operation respirator |
-
2019
- 2019-07-04 CN CN201921030531.XU patent/CN211097130U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110368610A (en) * | 2019-07-04 | 2019-10-25 | 北京安氧特科技有限公司 | A kind of positive-pressure type chemical oxygen operation respirator |
| CN110368610B (en) * | 2019-07-04 | 2024-07-23 | 北京安氧特科技有限公司 | Positive pressure type chemical oxygen operation respirator |
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