CN111053981A - Self-oxygen-generating respirator - Google Patents
Self-oxygen-generating respirator Download PDFInfo
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- CN111053981A CN111053981A CN202010039834.9A CN202010039834A CN111053981A CN 111053981 A CN111053981 A CN 111053981A CN 202010039834 A CN202010039834 A CN 202010039834A CN 111053981 A CN111053981 A CN 111053981A
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- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 58
- 239000007789 gas Substances 0.000 claims abstract description 51
- 239000000126 substance Substances 0.000 claims abstract description 51
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 48
- 239000001301 oxygen Substances 0.000 claims abstract description 48
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000003814 drug Substances 0.000 claims abstract description 47
- 239000000428 dust Substances 0.000 claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 230000017525 heat dissipation Effects 0.000 claims description 24
- 238000012544 monitoring process Methods 0.000 claims description 5
- 230000000007 visual effect Effects 0.000 claims description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 13
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 8
- 239000001569 carbon dioxide Substances 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 230000000241 respiratory effect Effects 0.000 abstract description 5
- 230000002745 absorbent Effects 0.000 description 4
- 239000002250 absorbent Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
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Classifications
-
- 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
- A62B7/00—Respiratory apparatus
- A62B7/10—Respiratory apparatus with filter elements
-
- 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
-
- 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
- A62B9/006—Indicators or warning devices, e.g. of low pressure, contamination
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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 belongs to the technical field of respiratory protection, and relates to a self-oxygen-generating respirator.A respiratory air bag, a gas buffer bag, a chemical medicine tank and a dust filter are sequentially distributed in a respirator shell from top to bottom; the gas to be reacted in the gas buffer bag enters the chemical medicine tank and reacts with the oxygen generating agent in the chemical medicine tank to generate oxygen and heat; the oxygen is filtered and cooled by a dust filter and a cooling blast pipe at the bottom of the gas buffer bag, is sent into the breathing air bag through an air inlet of the breathing air bag and then enters a human body through a breathing hose; oxygen is generated by the reaction of the oxygen generating agent in the chemical medicine tank with water vapor and carbon dioxide in the exhaled air of the human body, and a large amount of heat is accompanied; through the design that increases dust filter and cooling air pipe, filter and cool off the higher gas of temperature that generates, the temperature of breathing in is effectively controlled, improves the travelling comfort that personnel wore.
Description
Technical Field
The invention belongs to the technical field of respiratory protection, and relates to a self-generating oxygen respirator.
Background
The respirator is a breathing protection system, is widely applied to the fields of fire fighting, chemical engineering, ships, petroleum, smelting, warehouses, laboratories, mines and the like, and is used for fire extinguishment and rescue work of firemen or rescue workers safely and effectively under various environments such as dense smoke, toxic gas, steam or oxygen deficiency.
In the continuous derivation and use process, various industries at home and abroad continuously research and develop the series of products, and the currently developed respirators can be divided into: a variety of respirators such as filtering respirators, compressed oxygen respirators, chemical oxygen respirators, and the like.
Common respirators use a compressed gas cylinder as the oxygen supply, CO2The absorbent is used as absorbent for absorbing water vapor and CO exhaled by human body2For human breathing, the cooling system (blue ice) needs to be refrigerated at low temperature before the respirator is used, and the respirator is assembled when in use. The oxygen cylinder needs to be filled with high-pressure oxygen for each use, the gas cylinder belongs to a pressure container, the use is dangerous, the maintenance cost is high, and CO is2The absorbent needs to be recharged after each use, and needs to be cleaned after use, so that the absorbent is complex to use.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a self-oxygen-generating respirator, which adopts the main working principle that an oxygen generating agent is used as a chemical agent and reacts with water vapor and carbon dioxide in exhaled air of a person to generate oxygen for the breathing of the person, is not harmed by any outside toxic and harmful gas and smoke when in use, and can be widely applied to the field of protection and rescue.
In order to achieve the purpose, the invention provides the following technical scheme:
a self-oxygen-generating respirator comprises a respirator shell and a breathing hose arranged on the top of the respirator shell, wherein a breathing air bag, an air buffer bag, a chemical medicine tank and a dust filter are sequentially distributed in the respirator shell from top to bottom;
the gas exhaled by the human body enters a breathing air bag through a breathing hose, an exhaust valve is arranged on the breathing air bag, and redundant gas is exhausted through the exhaust valve; the gas to be reacted in the gas buffer bag enters the chemical medicine tank and reacts with the oxygen generating agent in the chemical medicine tank to generate oxygen and heat; the oxygen passes through a dust filter and a cooling blast pipe at the bottom of the gas buffer bag, and the filtered and cooled oxygen is sent into the breathing air bag through an air inlet of the breathing air bag and then enters a human body through a breathing hose;
the breathing hose is communicated with the inner space of the breathing air bag, a data acquisition sensor is arranged at the interface of the breathing hose and the breathing air bag, and the data acquisition sensor is connected with the controller; the controller is located the outside of respirator casing, the controller still is connected with forced draught blower, control valve respectively for control forced draught blower's air supply volume, control valve open and closed, and with the data information feedback that data acquisition sensor gathered to the display screen of controller, make things convenient for the monitoring of staff directly perceived.
Further, the respirator shell comprises an upper shell and a lower shell, the breathing air bag, the gas buffer storage bag, the air feeder and the control valve are positioned in the upper shell, and the chemical medicine tank and the dust filter are positioned in the lower shell; the interface of the gas buffer bag is connected with the interface of the chemical medicine tank to ensure that the internal spaces of the gas buffer bag and the chemical medicine tank are communicated.
Further, the upper shell adopts a sealing structure to ensure the sealing of the electric part; the lower shell is provided with an exhaust grille which is communicated with the outside air, so that the good heat dissipation of the internal chemical medicine tank is ensured.
Furthermore, the breathing air bag is of a structure in a shape like a Chinese character 'ri', and comprises an expiration air bag and an inspiration air bag which are mutually independent, and two ends of the breathing hose are respectively communicated with the expiration air bag and the inspiration air bag; the air outlet is positioned on the expiration air bag, and the air inlet is positioned on the inspiration air bag.
Furthermore, the exhaust valve is arranged on the expiration air bag and is driven to be opened by mechanical force, the air bag is expanded to a certain degree and is driven to be opened by the expansion force, and redundant gas is forced to be discharged.
Furthermore, the chemical medicine tank is elliptical, and a heat dissipation net rack for separating the oxygen generating agent is arranged in the chemical medicine tank, so that heat dissipation is facilitated; oxygen generating agent adopts KO2，KO2As a strong oxidant, has bactericidal effect, and can be used for cleaning and drying pipeline without cleaning, and KO2The oxygen-generating medicament can be in the shape of an oval tablet or a honeycomb block and has the same inner diameter as the chemical medicament tank.
Further, the heat dissipation net rack comprises a plurality of first meshed net plates, the first meshed net plates are sequentially connected to form a polygonal heat dissipation body in a surrounding mode, and the center of the polygonal heat dissipation body coincides with the center of the elliptical chemical medicine tank.
Furthermore, the vertex of the polygonal heat radiation body is respectively connected with a second meshed screen plate, one end of the second meshed screen plate is fixedly connected with the vertex of the polygonal heat radiation body, and the other end of the second meshed screen plate is fixedly connected with the inner wall of the elliptical chemical medicine tank.
Furthermore, each second meshed net plate is also provided with a group of net plate supports surrounded by a plurality of third meshed net plates, and each group of net plate supports and the second meshed net plates form a polygonal ventilation area so as to ensure that the medicine reacts uniformly and the air suction resistance is extremely low.
Further, the polygonal ventilation areas are positioned on the same plane and distributed along the circumference of the elliptical chemical medicine tank in the anticlockwise and/or clockwise direction.
Further, heat dissipation circular holes are uniformly distributed on the first meshed screen plate, the second meshed screen plate and the third meshed screen plate.
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects: oxygen is generated by the reaction of the oxygen generating agent in the chemical medicine tank with water vapor and carbon dioxide in the exhaled air of the human body, and a large amount of heat is accompanied; by adding the design of the dust filter and the cooling air pipe, the generated gas with higher temperature is filtered and cooled, the air suction temperature is effectively controlled, and the wearing comfort of personnel is improved; through the design that increases data acquisition sensor, controller, power and control valve, information such as data acquisition sensor collection respiratory resistance, oxygen concentration, carbon dioxide concentration, temperature, the controller is to the air output of the relevant data information process analysis control forced draught blower of receiving and opening and closing of control valve, can in time feed back data to the display screen of controller simultaneously on, make things convenient for staff's visual monitoring.
In addition, through the design that the lower shell is provided with the exhaust grille which is communicated with the outside air, the chemical medicine tank can be ensured to have good heat dissipation, and the integral temperature of the respirator is reduced; through the design to increase heat dissipation rack in the chemical medicine jar, when guaranteeing that the oxygen generating agent reaction is even, can also in time go out the heat release that the reaction produced in the chemical medicine jar rethread exhaust grid and realize the holistic cooling of respirator.
Drawings
FIG. 1 is a schematic view of an autogenous oxygen respirator of the present invention;
FIG. 2 is a schematic structural view of a respirator housing provided in accordance with the present invention;
FIG. 3 is a front view of a chemical canister provided by the present invention;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a schematic view of a first perforated web sheet according to the present invention.
Wherein: 1. a breathing hose; 2. an exhaust valve; 3. a power source; 4. a breathing air bag; 5. a controller; 6. a blower; 7. a control valve; 8. a respirator housing; 9. a gas buffer capsule; 10. cooling the blast pipe; 11. a dust filter; 12. a chemical medicine tank; 13. a data acquisition sensor; 14. a display screen; 15. an upper housing; 16. a lower housing; 17. an exhaust grill; 18. a heat dissipation net rack; 19. a first meshed plate; 20. a second meshed net plate; 21. a third meshed plate; 22. a breathable zone; 23. a heat dissipation circular hole; 24. an upper bearing plate and a filter layer; 25. a medicine tank cavity; 26. an oxygen generating agent; 27. a lower bearing plate and a filter layer; 28. an air outlet; 29. an air inlet.
Detailed Description
The exemplary embodiments will be described herein in detail, and the embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of formulations consistent with certain aspects of the present invention, as detailed in the appended claims.
In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and examples.
Examples
Referring to fig. 1, the invention provides a self-oxygen-generating respirator, which comprises a respirator shell 8 and a breathing hose 1 installed at the top of the respirator shell 8, wherein a breathing air bag 4, an air buffer bag 9, a chemical medicine tank 12 and a dust filter 11 are sequentially distributed in the respirator shell 8 from top to bottom;
the gas exhaled by the human body enters the breathing air bag 4 through the breathing hose 1, the breathing air bag 4 is provided with an exhaust valve 2, and the redundant gas is exhausted through the exhaust valve 2; the gas outlet 28 of the breathing air bag 4 sends gas into the gas buffer bag 9 through the blower 6 and the control valve 7, the gas to be reacted in the gas buffer bag 9 enters the chemical medicine tank 12 and reacts with the oxygen generating agent in the chemical medicine tank 12 to generate oxygen and heat; the oxygen passes through a dust filter 11 at the bottom of the gas buffer bag 9 and a cooling blast pipe 10, and the filtered and cooled oxygen is sent into the breathing air bag 4 through an air inlet 29 of the breathing air bag 4 and then enters the human body through a breathing hose 1;
the breathing hose 1 is communicated with the inner space of the breathing air bag 4, a data acquisition sensor 13 is arranged at the interface of the breathing hose 1 and the breathing air bag 4, and the data acquisition sensor 13 is connected with the controller 5; the controller 5 is located outside the respirator shell 8, and the controller 5 is connected with the air feeder 6 and the control valve 7 respectively and is used for controlling the air supply quantity of the air feeder 6 and the opening and closing of the control valve 7 and feeding back data information acquired by the data acquisition sensor 13 to the display screen 14 of the controller 5, so that the visual monitoring of workers is facilitated.
Further, as shown in fig. 2, the respirator housing 8 includes an upper housing 15 and a lower housing 16, the breathing air bag 4, the gas buffer bag 9, the blower 6 and the control valve 7 are located in the upper housing 15, and the chemical canister 12 and the dust filter 11 are located in the lower housing 16; the interface of the gas buffer bag 9 is connected with the interface of the chemical medicine tank 12 to ensure that the internal spaces of the gas buffer bag and the chemical medicine tank are communicated.
Further, the upper housing 15 adopts a sealing structure to ensure the sealing of the electrical part; the lower shell 16 is provided with an exhaust grille 17, and the exhaust grille 17 is communicated with the outside air, so that the good heat dissipation of the internal chemical medicine tank 12 is ensured.
Furthermore, the breathing air bag 4 is in a structure of a Chinese character 'ri', and comprises an expiration air bag and an inspiration air bag which are mutually independent, and two ends of the breathing hose 1 are respectively communicated with the expiration air bag and the inspiration air bag; the air outlet 28 is located on the exhale bladder and the air inlet 29 is located on the inhale bladder.
Furthermore, the exhaust valve 2 is arranged on the expiratory air bag, the exhaust valve 2 is driven to be opened by mechanical force, the expiratory air bag 4 is bulged to a certain degree, the exhaust valve 2 is driven to be opened by the bulge force, and redundant gas is forced to be discharged.
Further, as shown in fig. 3, the chemical canister 12 is elliptical and has a heat dissipation rack 18 for separating the oxygen generating agent therein, which is advantageous for heat dissipation.
Preferably, the oxygen generating agent 26 is KO2，KO2The product is used as a strong oxidant, has a sterilization effect, and is clean and dry in a pipeline after use without cleaning; wherein, KO2The oxygen-generating medicament can be in the shape of an oval tablet or a honeycomb block and has the same inner diameter with the chemical medicament tank 12.
Further, the top of the chemical medicine tank 12 is provided with an upper interface connected with the interface of the gas buffer bag 9, and the bottom is provided with a lower interface used for connecting the dust filter 11; the chemical medicine tank 12 is sequentially provided with an upper bearing plate and a filter layer 24, a medicine tank cavity 25, a lower bearing plate and a filter layer 27 from top to bottom, the inner wall of the medicine tank cavity 25 is connected with a heat dissipation net rack 18, and the medicine tank cavity 25 is divided into a plurality of accommodating spaces for accommodating oxygen generating agents 26 by the heat dissipation net rack 18.
Further, the heat dissipation net rack 18 includes a plurality of first meshed net plates 19, the plurality of first meshed net plates 19 are sequentially connected to form a polygonal heat dissipation body, and the center of the polygonal heat dissipation body coincides with the center of the elliptical chemical canister 12.
Furthermore, the vertexes of the polygonal heat sink are respectively connected with a second meshed screen plate 20, one end of the second meshed screen plate 20 is fixedly connected with the vertexes of the polygonal heat sink, and the other end of the second meshed screen plate 20 is fixedly connected with the inner wall of the elliptical chemical medicine tank 12.
Preferably, as shown in fig. 4, the heat dissipation grid frame 18 includes 6 first perforated grid plates 19, and the 6 first perforated grid plates 19 are sequentially connected to form a hexagonal heat dissipation body, and the center of the hexagonal heat dissipation body coincides with the center of the elliptical chemical canister 12; the top points of the hexagonal heat radiation bodies are respectively connected with a second meshed screen plate 20, one end of the second meshed screen plate 20 is fixedly connected with the top points of the hexagonal heat radiation bodies, and the other end of the second meshed screen plate 20 is fixedly connected with the inner wall of the elliptical chemical medicine tank 12. Each second perforated screen plate 20 is also provided with a group of screen plate supports surrounded by 3 third perforated screen plates 21, and each group of screen plate supports and the second perforated screen plates 20 form an isosceles trapezoid ventilation area 22 so as to ensure that the medicine reaction is uniform and the air suction resistance is extremely low.
Preferably, as shown in fig. 4, the 6 gas permeable areas 22 are in the same plane and are distributed along the circumference of the oval chemical canister 12 in a counterclockwise direction.
Further, as shown in fig. 5, heat dissipation circular holes 23 are uniformly distributed on the first meshed screen plate 19, the second meshed screen plate 20 and the third meshed screen plate 21.
In summary, the self-generating oxygen respirator provided by the invention has the following specific working process: the gas exhaled by human body enters the exhalation air bag from the exhalation hose 1 for storage, the gas to be reacted is sent into the gas buffer bag 9 through the blower 6 and the control valve 7, and the gas in the gas buffer bag 9 slowly enters the chemical medicine tank 12 and is in contact with KO therein2The reaction produces a large amount of O2And heat, the reaction equation is as follows:
2KOH+CO2→K2CO3+H2heat of O +)
When a human body inhales, the air enters the air suction air bag through the dust filter 11 and the cooling air supply pipe 10 and then enters the human body through the breathing hose 1.
The data acquisition sensor 13 is connected with the controller 5, and the controller 5 is also respectively connected with the blower 6 and the control valve 7 and used for controlling the air output of the blower 6 and the opening and closing of the control valve 7; the air feeder 6 and the control valve 7 are further connected with a power supply, the data acquisition sensor 13 acquires data information such as respiratory resistance, oxygen concentration, carbon dioxide concentration and temperature and feeds the acquired data information back to the controller 5, the controller 5 analyzes and processes the received data information, the controller 5 controls the air output of the air feeder 6 and the opening and closing of the control valve 7, and meanwhile, the received data information is fed back to the display screen 14 of the controller 5 in time, so that the visual monitoring of workers is facilitated.
Accordingly, the present invention provides such an autogenous oxygen respirator: by KO in the chemical canister 122Reacts with water vapor and carbon dioxide in the exhaled air of the human body to generate oxygen and is accompanied with a large amount of heat; through the design of adding dust filter 11 and cooling tuber pipe 10, filter and cool off the higher gas of temperature that generates, controlled the temperature of breathing in effectively, improved the travelling comfort that personnel wore.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.
It is to be understood that the present invention is not limited to what has been described above, and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (10)
1. A self-oxygen-generating respirator comprises a respirator shell (8) and a breathing hose (1) arranged at the top of the respirator shell (8), and is characterized in that a breathing air bag (4), an air buffer bag (9), a chemical medicine tank (12) and a dust filter (11) are sequentially distributed in the respirator shell (8) from top to bottom;
gas exhaled by a human body enters a breathing air bag (4) through the breathing hose (1), an exhaust valve (2) is arranged on the breathing air bag (4), and redundant gas is exhausted through the exhaust valve (2); a gas outlet (28) of the breathing air bag (4) sends gas into a gas buffer bag (9) through a blower (6) and a control valve (7), and the gas to be reacted in the gas buffer bag (9) enters a chemical medicine tank (12) and reacts with an oxygen generating agent in the chemical medicine tank (12) to generate oxygen and heat; the oxygen passes through a dust filter (11) at the bottom of the gas buffer bag (9) and a cooling blast pipe (10) and then is sent into the breathing air bag (4) through an air inlet (29) of the breathing air bag (4) and then enters a human body through a breathing hose (1);
the breathing hose (1) is communicated with the inner space of the breathing air bag (4), a data acquisition sensor (13) is arranged at the interface of the breathing hose (1) and the breathing air bag (4), and the data acquisition sensor (13) is connected with the controller (5); the controller (5) is located the outside of respirator casing (8), controller (5) still are connected with forced draught blower (6), control valve (7) respectively for control forced draught blower (6) the air output, control valve (7) open and closed, and with data information feedback to controller (5) display screen (14) on that data acquisition sensor (13) were gathered, make things convenient for staff's visual monitoring.
2. The self oxygen generating respirator according to claim 1, wherein the respirator housing (8) comprises an upper housing (15) and a lower housing (16), the breathing gas bag (4), the gas buffer bag (9), the blower (6) and the control valve (7) are located in the upper housing (15), the chemical canister (12), the dust filter (11) are located in the lower housing (16); the interface of the gas buffer bag (9) is connected with the interface of the chemical medicine tank (12) to ensure that the internal spaces of the gas buffer bag and the chemical medicine tank are communicated.
3. The self oxygen generating respirator according to claim 2, wherein the upper housing (15) is a sealed structure, and the lower housing (16) is provided with an exhaust grill (17), the exhaust grill (17) being in communication with the outside air.
4. The self oxygen generating respirator according to claim 1, wherein the breathing air bag (4) is of a structure like a Chinese character 'ri', and comprises an expiration air bag and an inspiration air bag which are independent of each other, and two ends of the breathing hose (1) are respectively communicated with the expiration air bag and the inspiration air bag; the air outlet (28) is positioned on the air-breathing air bag, and the air inlet (29) is positioned on the air-breathing air bag.
5. The self-generating oxygen respirator of claim 4, wherein the vent valve (2) is arranged on an expiratory air cell, the vent valve (2) being actuated to open by mechanical force.
6. The self oxygen generating respirator of claim 1, wherein the chemical canister (12) is oval and has a heat dissipating grid (18) mounted therein for separating oxygen generating agents.
7. The self-generating oxygen respirator of claim 6, wherein the heat dissipation grid (18) comprises a plurality of first perforated screens (19), the plurality of first perforated screens (19) are connected in sequence to enclose a polygonal heat sink, and the center of the polygonal heat sink coincides with the center of the elliptical chemical canister (12).
8. The self-oxygen generating respirator of claim 7, wherein the vertices of the polygonal heat sink are respectively connected with a second perforated mesh plate (20), one end of the second perforated mesh plate (20) is fixedly connected with the vertices of the polygonal heat sink, and the other end is fixedly connected with the inner wall of the elliptical chemical canister (12).
9. A self-generating oxygen respirator according to claim 8, wherein each first apertured mesh panel (20) further comprises a set of mesh panel supports bounded by a plurality of third apertured mesh panels (21), each set of mesh panel supports forming with a second apertured mesh panel (20) a polygonal breathable zone (22).
10. The self-generating oxygen respirator of claim 9, wherein the first, second and third perforated mesh sheets (19, 20, 21) are uniformly distributed with heat dissipating circular holes (23).
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| CN202010039834.9A CN111053981A (en) | 2020-01-15 | 2020-01-15 | Self-oxygen-generating respirator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594261A (en) * | 2020-05-18 | 2020-08-28 | 丁祥书 | Compressed oxygen self-rescuer for underground coal mine |
| 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 |
| CN114247065A (en) * | 2021-12-16 | 2022-03-29 | 广东友安应急消防科技股份有限公司 | Intelligent fire-fighting self-rescue respirator |
| CN115025411A (en) * | 2022-05-07 | 2022-09-09 | 北京机械设备研究所 | Chemical oxygen respirator |
| CN116890978A (en) * | 2023-08-28 | 2023-10-17 | 中国人民解放军海军特色医学中心 | Integrated agent tank for circulating type diving breathing apparatus and agent state detection method |
| CN118001532A (en) * | 2024-04-10 | 2024-05-10 | 云南海鹰海洋科技有限公司 | Portable outdoor oxygen supply equipment |
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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 |
| CN111594261A (en) * | 2020-05-18 | 2020-08-28 | 丁祥书 | Compressed oxygen self-rescuer for underground coal mine |
| CN114247065A (en) * | 2021-12-16 | 2022-03-29 | 广东友安应急消防科技股份有限公司 | Intelligent fire-fighting self-rescue respirator |
| CN115025411A (en) * | 2022-05-07 | 2022-09-09 | 北京机械设备研究所 | Chemical oxygen respirator |
| CN116890978A (en) * | 2023-08-28 | 2023-10-17 | 中国人民解放军海军特色医学中心 | Integrated agent tank for circulating type diving breathing apparatus and agent state detection method |
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| CN118001532A (en) * | 2024-04-10 | 2024-05-10 | 云南海鹰海洋科技有限公司 | Portable outdoor oxygen supply equipment |
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