CN115531758B - Chemical oxygen fire-fighting self-rescue respirator - Google Patents
Chemical oxygen fire-fighting self-rescue respirator Download PDFInfo
- Publication number
- CN115531758B CN115531758B CN202211277158.4A CN202211277158A CN115531758B CN 115531758 B CN115531758 B CN 115531758B CN 202211277158 A CN202211277158 A CN 202211277158A CN 115531758 B CN115531758 B CN 115531758B
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- Prior art keywords
- hood
- pipe
- breathing
- air inlet
- fireproof
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 239000001301 oxygen Substances 0.000 title claims abstract description 59
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 59
- 239000000126 substance Substances 0.000 title claims abstract description 15
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 45
- 229920000742 Cotton Polymers 0.000 claims abstract description 34
- 230000006698 induction Effects 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000009423 ventilation Methods 0.000 claims description 20
- 238000004140 cleaning Methods 0.000 claims description 15
- 238000007790 scraping Methods 0.000 claims description 15
- 238000005485 electric heating Methods 0.000 claims description 13
- 210000001503 joint Anatomy 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 210000003128 head Anatomy 0.000 description 17
- 238000000034 method Methods 0.000 description 12
- 210000000214 mouth Anatomy 0.000 description 9
- 239000007789 gas Substances 0.000 description 6
- 239000000428 dust Substances 0.000 description 4
- 230000002265 prevention Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 210000003928 nasal cavity Anatomy 0.000 description 2
- 230000000241 respiratory effect Effects 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/02—Masks
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
- A62B18/082—Assembling eyepieces, lenses or vision-correction means in or on gas-masks
-
- 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
- A62B7/00—Respiratory apparatus
- A62B7/12—Respiratory apparatus with fresh-air hose
Landscapes
- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Life Sciences & Earth Sciences (AREA)
- Zoology (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 utility model discloses a chemical oxygen fire-fighting self-rescue respirator, which comprises a fireproof hood, wherein a window is arranged on the outer wall of the fireproof hood; the inner part of the fireproof hood is connected with a breathing hood, the outer wall of the fireproof hood is connected with an oxygen generating tank, an air inlet through pipe is arranged between the oxygen generating tank and the breathing hood, the bottom of the fireproof hood is connected with an air bag matched and connected with the oxygen generating tank, and an oxygen supply pipe is connected between the air bag and the breathing hood; the air inlet through pipe is provided with a water vapor absorbing mechanism. When the breathing cover is used for breathing, the arranged rotating sheet rotates to act on the laser induction switch under the action of air flow every time when the breathing cover is used for breathing, so that the arranged stepping motor drives the cotton column to rotate to enter the air inlet through pipe, water vapor in the passing air is conveniently absorbed and filtered, the water vapor is prevented from entering the oxygen generating tank and the air bag, the oxygen generation and use are influenced, and meanwhile, the subsequent water vapor treatment work can be reduced.
Description
Technical Field
The utility model relates to the technical field of fire-fighting respirators, in particular to a chemical oxygen fire-fighting self-rescue respirator.
Background
The common self-rescue respirator for fire escape has four types of filtering type, oxygen candle type, chemical oxygen type and compressed oxygen type, wherein the chemical oxygen type can well ensure that a user is isolated from the outside in the escaping process, and the production is simpler and more reliable, so the use is more;
the prior chemical oxygen fire-fighting self-rescue respirator is provided with a patent grant publication number CN 202028062U, and comprises an air bag, a breathing mask, a heat-insulating rubber sleeve and an oxygen generating tank which are sequentially connected, wherein the air bag is communicated with the heat-insulating rubber sleeve through an air duct, a breathing valve seat is arranged between the mask and the heat-insulating rubber sleeve, and an breathing valve seat is arranged between the heat-insulating rubber sleeve and the oxygen generating tank. According to the utility model, the breathing valve seat and the breathing valve seat are additionally arranged, so that the phenomenon of flattening or wrinkling is avoided even though the respirator is swung in the escaping process, the condition of stagnation of air is basically avoided, and the smoothness of air flow is ensured;
the disadvantage of this comparison document is that: the prior chemical oxygen fire-fighting self-rescue respirator can breathe smoothly, but does not treat the water vapor generated in the breathing process, the water vapor can be generated when a user exhales each time, and the water vapor can enter the oxygen generating tank and the air bag together with the air flow, so that inconvenience is brought to oxygen generation and circulation use.
Disclosure of Invention
In order to overcome the technical problems, the utility model aims to provide a chemical oxygen fire-fighting self-rescue respirator.
The aim of the utility model can be achieved by the following technical scheme:
the chemical oxygen fire-fighting self-rescue respirator comprises a fireproof hood, wherein a window is arranged on the outer wall of the fireproof hood; the inner part of the fireproof hood is connected with a breathing hood, the outer wall of the fireproof hood is connected with an oxygen generating tank, an air inlet through pipe is arranged between the oxygen generating tank and the breathing hood, the bottom of the fireproof hood is connected with an air bag matched and connected with the oxygen generating tank, and an oxygen supply pipe is connected between the air bag and the breathing hood; the utility model discloses a fire prevention head cover, including the mouth piece, the mouth piece is provided with the mouth piece, be provided with steam absorption mechanism on the mouth piece that admits air, steam absorption mechanism includes step motor, step motor connects on the fire prevention head cover, step motor's main shaft end is connected with the carousel, the mouth piece that admits air on seted up with carousel matched with butt joint breach, be provided with the cotton post of ventilating on the carousel, be connected with the electric plate on the outer wall of fire prevention hood, the electric plate laminating is in the bottom of carousel, the mouth piece that admits air with be connected with the connecting pipe head between the respiratory mask, be provided with on the connecting pipe with the breathing sensing switch group that step motor electricity is connected, still be provided with on the connecting pipe with admit air mouth piece matched with pressurizing mechanism.
As a further scheme of the utility model: the cotton post circumference equidistance of ventilating distributes has a plurality of, and every the cotton post of ventilating all runs through the carousel.
As a further scheme of the utility model: the fireproof hood comprises a window, and is characterized in that a connecting guide rail is connected to the outer wall of the fireproof hood, a cleaning scraping strip is connected to the connecting guide rail in a sliding mode, the cleaning scraping strip is attached to the window, a connecting spring is connected between the cleaning scraping strip and the connecting guide rail, and a pull rope is connected to one end of the cleaning scraping strip.
As a further scheme of the utility model: the inner wall of the breathing cover is provided with a microphone, and the outer wall of the fireproof hood is connected with a loudspeaker which is electrically connected with the microphone.
As a further scheme of the utility model: the respiration induction switch group comprises a laser induction switch, the laser induction switch is connected to the inner wall of the connecting pipe head, the stepping motor is electrically connected with the laser induction switch, and a rotary sheet is movably connected to the port of the connecting pipe head, which is close to the respiration cover.
As a further scheme of the utility model: the pressurizing mechanism comprises an electric telescopic rod, the electric telescopic rod is vertically connected to the connecting pipe head, the electric telescopic rod is electrically connected with the laser induction switch, the telescopic end of the electric telescopic rod is connected with an umbrella-shaped cover body, the bottom of the umbrella-shaped cover body is provided with an elastic rubber ring aligned with the air inlet through pipe, and a telescopic connecting rod is connected between the umbrella-shaped cover body and the elastic rubber ring.
As a further scheme of the utility model: the inner ring of the elastic rubber ring is provided with a boss matched with the umbrella-shaped cover body.
As a further scheme of the utility model: the elastic rubber ring is a conical body, the diameter of the bottom end of the elastic rubber ring is smaller than the inner diameter of the air inlet through pipe, and the diameter of the top end of the elastic rubber ring is larger than the inner diameter of the air inlet through pipe.
The utility model has the beneficial effects that:
1. when the breathing cover is used for breathing, the arranged rotating sheet rotates to act on the laser induction switch under the action of air flow every time when the breathing cover is used for breathing, so that the arranged stepping motor drives the cotton column to rotate to enter the air inlet through pipe, water vapor in the passing air is conveniently absorbed and filtered, the water vapor is prevented from entering the oxygen generating tank and the air bag, the oxygen generation and use are influenced, and meanwhile, the subsequent water vapor treatment work can be reduced;
2. when the cotton column is used for water vapor treatment, the elastic rubber ring and the umbrella-shaped cover body are combined to push and press the gas in the air inlet through pipe, so that the gas is promoted to flow through the cotton column, the cotton column is prevented from causing great obstruction to the gas to affect oxygen generation, and meanwhile, the elastic rubber ring and the umbrella-shaped cover body can be automatically separated when reset, and the air inlet through pipe is prevented from returning to the air inlet;
3. the fireproof hood provided by the utility model can prevent fire for the whole head, observe the external environment by means of the arranged window, and call for help by the microphone arranged inside and the matched loudspeaker.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the overall right-side cross-sectional structure of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2 at A;
FIG. 4 is an enlarged schematic view of the structure at B in FIG. 3;
FIG. 5 is a schematic top view of the partial structure of the rotary table, cotton column, air inlet pipe and electric heating plate of the utility model;
FIG. 6 is a schematic view of the structure of the butt gap in the present utility model.
In the figure: 1. a fire hood; 2. a window; 3. cleaning the scraping strip; 4. a connecting guide rail; 5. a connecting spring; 6. a pull rope; 7. a speaker; 8. a respiratory mask; 9. an oxygen generating tank; 10. an air bag; 11. an elastic bandage; 12. an oxygen supply pipe; 13. a microphone; 14. an electric telescopic rod; 15. a connecting tube head; 16. an air inlet pipe; 17. a turntable; 18. a cotton column is ventilated; 19. a stepping motor; 20. an electric heating plate; 21. rotating the sheet; 22. a laser induction switch; 23. an umbrella-shaped cover body; 24. a telescopic connecting rod; 25. an elastic rubber ring; 26. a boss; 27. and a butt joint notch.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
1-6, the chemical oxygen fire-fighting self-rescue respirator comprises a fireproof hood 1, wherein the fireproof hood 1 is made of fireproof materials, a window 2 is arranged on the outer wall of the fireproof hood 1, and the window 2 is made of fireproof glass materials, so that a wearer can observe the external environment conveniently; the outer wall of the fireproof hood 1 is also vertically connected with a connecting guide rail 4, the connecting guide rail 4 is connected with a cleaning scraping strip 3 in a sliding manner, the cleaning scraping strip 3 is attached to the window 2, a connecting spring 5 is connected between the cleaning scraping strip 3 and the connecting guide rail 4, one end of the cleaning scraping strip 3 is connected with a pull rope 6, when dust is attached to the window 2 to influence the watching of a wearer, the pull rope 6 can be pulled, so that the cleaning scraping strip 3 moves downwards along the window 2, and attached dust impurities are scraped off;
the inside of the fireproof hood 1 is fixedly connected with a breathing cover 8, the breathing cover 8 is used for covering the oral cavity and the nasal cavity of a wearer, an elastic bandage 11 is connected to the breathing cover 8, the wearing is convenient, a microphone 13 is arranged on the inner wall of the breathing cover 8, a loudspeaker 7 electrically connected with the microphone 13 is arranged on the outer wall of the fireproof hood 1, an interlayer is arranged at the inner top of the fireproof hood 1, a storage battery is arranged at the inner top of the fireproof hood 1, and the storage battery is used for supplying power to all power elements of the whole respirator, so that when the wearer speaks in the fireproof hood 1, the microphone 13 receives sound and then plays by means of the loudspeaker 7 to call for help;
an oxygen generating tank 9 is fixedly connected to the outer wall of the fireproof hood 1, an air inlet through pipe 16 is arranged between the oxygen generating tank 9 and the breathing hood 8, an air bag 10 which is connected with the oxygen generating tank 9 in a matched mode is connected to the bottom of the fireproof hood 1, an oxygen supply pipe 12 is connected between the air bag 10 and the breathing hood 8, gas exhaled by a wearer enters the oxygen generating tank 9 through the air inlet through pipe 16 and then chemically reacts with oxygen generating agent in the oxygen generating tank 9 to generate oxygen, and the generated oxygen enters the air bag 10, so that the wearer can conveniently inhale through the oxygen supply pipe 12 to realize breathing;
the air intake pipe 16 is provided with a vapor absorption mechanism, the vapor absorption mechanism comprises a stepping motor 19, the stepping motor 19 is fixedly arranged on the fireproof hood 1, the spindle end of the stepping motor 19 is fixedly connected with a turntable 17, the air intake pipe 16 is provided with a butt joint notch 27 matched with the turntable 17, namely one end of the turntable 17 is in seamless butt joint in the butt joint notch 27 and can rotate relative to the air intake pipe 16, the turntable 17 is provided with a plurality of ventilation cotton columns 18 with air holes, the ventilation cotton columns 18 are circumferentially and equidistantly distributed, each ventilation cotton column 18 penetrates through the turntable 17, the outer wall of the fireproof hood 1 is fixedly connected with an electric heating plate 20, the electric heating plate 20 is attached to the bottom of the other end of the turntable 17, the electric heating plate 20 is a heat conducting metal body, an electric heating wire is buried in the side wall of the electric heating plate, the electric heating plate 19 and the electric heating plate 20 are powered by a storage battery pack, a connecting pipe head 15 is connected between the air intake pipe 16 and the breathing hood 8, the connecting pipe head 15 is provided with a breathing induction switch group electrically connected with the stepping motor 19, the breathing induction switch 22 comprises a laser induction switch 22, the laser induction switch 22 is arranged on the inner wall of the connecting motor 15, the inner wall of the electric induction switch 19 is circumferentially and equidistantly distributed, and each breathing switch 22 is electrically connected with the stepping motor 19 to the inner wall of the stepping motor 21 to rotate, and the inner side of the connecting pipe 21 rotates to enable the stepping motor 21 to rotate a sheet 21 to rotate, and rotate a sheet 21, and the inner side 21 rotates a certain sheet 21 to rotate, and rotates the inner side 21, and rotates the sheet 21, and rotates a certain sheet 21, and rotates a sheet, and rotates a sheet 21, and rotates and a sheet 21 and a sheet. When a wearer inhales, the rotary sheet 21 rotates to reset due to suction force, the port of the connecting tube head 15 is blocked, and when the wearer exhales again, the rotary sheet 21 enables the laser induction switch 22 to generate induction, so the rotary disc 17 rotates for a certain angle again, the ventilation cotton column 18 absorbing water vapor is switched out, the next ventilation cotton column 18 is switched into for filtering, and in the rotating process of the rotary disc 17, the ventilation cotton columns 18 pass through the position of the electric plate 20 one by one, the electric plate 20 is electrified to generate heat, the ventilation cotton columns 18 absorbing water vapor are dried conveniently, so that water vapor is eliminated, the ventilation cotton columns 18 are convenient to recycle, and water vapor generated during exhalation can be prevented from entering the oxygen generating tank 9 and the air bag 10;
the connecting tube head 15 is also provided with a pressurizing mechanism matched with the air inlet through tube 16, the pressurizing mechanism comprises an electric telescopic rod 14, the electric telescopic rod 14 is vertically and fixedly connected on the connecting tube head 15, the electric telescopic rod 14 is electrically connected with a laser induction switch 22, the telescopic end of the electric telescopic rod 14 is inserted in the connecting tube head 15, the telescopic end of the electric telescopic rod 14 is fixedly connected with an umbrella-shaped cover body 23, the bottom of the umbrella-shaped cover body 23 is provided with an elastic rubber ring 25 aligned with the air inlet through tube 16, the elastic rubber ring 25 is a conical body, the bottom end diameter of the elastic rubber ring 25 is smaller than the inner diameter of the air inlet through tube 16, the top end diameter is larger than the inner diameter of the air inlet through tube 16, the maximum diameter of the umbrella-shaped cover body 23 is smaller than the inner diameter of the air inlet through tube 16, the inner ring of the elastic rubber ring 25 is provided with a boss 26 matched with the umbrella-shaped cover body 23, a telescopic connecting rod 24 is connected between the umbrella-shaped cover body 23 and the elastic rubber ring 25, when the laser induction switch 22 senses, the electric telescopic rod 14 completes a group of telescopic movement, when the electric telescopic rod 14 stretches, the elastic rubber ring 25 arranged at the end part of the electric telescopic rod is extruded into the air inlet pipe 16, a larger friction force exists between the elastic rubber ring 25 and the air inlet pipe 16 in the extrusion process, so that the umbrella-shaped cover body 23 pushes the telescopic connecting rod 24 to shrink in the stretching process of the electric telescopic rod 14 and then is spliced on the boss 26 of the inner ring of the elastic rubber ring 25 to realize closed butt joint, thus the air in the air inlet pipe 16 is pressurized in the stretching process of the electric telescopic rod 14, the air is promoted to flow through the air inlet cotton column 18, the air inlet speed is prevented from being influenced due to the existence of the air inlet cotton column 18, the oxygen generating efficiency is influenced, and when the electric telescopic rod 14 is contracted, a larger friction force exists between the elastic rubber ring 25 and the air inlet pipe 16, the umbrella-shaped cover 23 is separated from the elastic rubber ring 25 to avoid the suction of the air intake pipe 16.
The working principle of the utility model is as follows: when the fireproof hood is used, the fireproof hood 1 is worn on the head, the breathing hood 8 covers the oral cavity and the nasal cavity of a wearer, and the window 2 is used for external observation, when dust is attached to the window 2 to influence the observation of the wearer, the pull rope 6 can be pulled, the cleaning scraping strip 3 moves downwards along the window 2, the attached dust impurities are scraped off, when the wearer speaks in the fireproof hood 1, the microphone 13 is used for receiving sound, and then the sound is amplified and broadcast by the loudspeaker 7, so that help calling is conveniently carried out;
the exhaled gas enters the oxygen generating tank 9 through the air inlet pipe 16 in the breathing process of the wearer, and then the exhaled gas reacts with the oxygen generating agent in the oxygen generating tank 9 to generate oxygen, and the generated oxygen enters the air bag 10, so that the wearer can conveniently inhale through the oxygen supply pipe 12;
when a wearer exhales, air flows into the connecting pipe head 15, then the rotating sheet 21 is pushed to rotate, so that the rotating sheet 21 causes the laser induction switch 22 to generate induction, the stepping motor 19 operates, the stepping motor 19 drives the rotary table 17 to rotate a certain angle, one of the ventilation cotton columns 18 rotates into the air inlet through pipe 16, the ventilation cotton columns 18 can be conveniently filtered and absorbed by water vapor in the passing air, when the wearer breathes in, the rotating sheet 21 rotates and resets due to suction force to seal the port of the connecting pipe head 15, when the wearer exhales again, the rotating sheet 21 again causes the laser induction switch 22 to generate induction, the rotary table 17 rotates a certain angle again, the ventilation cotton columns 18 absorbing the water vapor are switched out, the next ventilation cotton column 18 is filtered, and in the rotating process of the rotary table 17, the ventilation cotton columns 18 pass through the position of the electric heating plate 20 one by one, the electric heating plate 20 is electrified and heated, the ventilation cotton columns 18 absorbing the water vapor are conveniently dried, so that the ventilation cotton columns 18 can be conveniently eliminated, the ventilation cotton columns 18 can be conveniently recycled, and the ventilation cotton columns entering the oxygen generating tank 9 and the air bag 10 generated during exhaling can be avoided;
when the laser induction switch 22 senses, a feedback signal is sent to the electric telescopic rod 14, the electric telescopic rod 14 stretches, the elastic rubber ring 25 arranged at the end part of the electric telescopic rod 14 extrudes and enters the air inlet through pipe 16 when the electric telescopic rod 14 stretches, and a large friction force exists between the elastic rubber ring 25 and the air inlet through pipe 16 in the extrusion process, so that the umbrella-shaped cover body 23 pushes the telescopic connecting rod 24 to shrink in the stretching process of the electric telescopic rod 14 and is spliced on the boss 26 of the inner ring of the elastic rubber ring 25 to realize closed butt joint, so that in the stretching process of the electric telescopic rod 14, the air in the air inlet through pipe 16 is pressurized, the air is promoted to flow through the air inlet cotton column 18, the air inlet speed is prevented from being influenced due to the existence of the air inlet cotton column 18, the oxygen generation efficiency is influenced, and when the electric telescopic rod 14 stretches, the umbrella-shaped cover body 23 is separated from the elastic rubber ring 25 due to the large friction force existing between the elastic rubber ring 25 and the air inlet through pipe 16, and the air inlet through pipe 16 is prevented from being sucked back.
The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (4)
1. The chemical oxygen fire-fighting self-rescue respirator comprises a fireproof hood (1), wherein a window (2) is arranged on the outer wall of the fireproof hood (1); the fireproof hood is characterized in that a breathing cover (8) is connected to the inside of the fireproof hood (1), an oxygen generating tank (9) is connected to the outer wall of the fireproof hood (1), an air inlet through pipe (16) is arranged between the oxygen generating tank (9) and the breathing cover (8), an air bag (10) matched and connected with the oxygen generating tank (9) is connected to the bottom of the fireproof hood (1), and an oxygen supply pipe (12) is connected between the air bag (10) and the breathing cover (8); the fire-proof hood is characterized in that the water vapor absorption mechanism is arranged on the air inlet through pipe (16), the water vapor absorption mechanism comprises a stepping motor (19), the stepping motor (19) is connected to the fire-proof hood (1), a rotary table (17) is connected to the spindle end of the stepping motor (19), a butt joint notch (27) matched with the rotary table (17) is formed in the air inlet through pipe (16), an air ventilation cotton column (18) is arranged on the rotary table (17), an electric heating plate (20) is connected to the outer wall of the fire-proof hood (1), the electric heating plate (20) is attached to the bottom of the rotary table (17), a connecting pipe head (15) is connected between the air inlet through pipe (16) and the breathing hood (8), a breathing induction switch group electrically connected with the stepping motor (19) is arranged on the connecting pipe head (15), and a pressurizing mechanism matched with the air inlet through pipe (16) is further arranged on the connecting pipe head (15);
the respiration induction switch group comprises a laser induction switch (22), the laser induction switch (22) is connected to the inner wall of the connecting tube head (15), the stepping motor (19) is electrically connected with the laser induction switch (22), and a rotary sheet (21) is movably connected to the port of the connecting tube head (15) close to the respiration cover (8); the pressurizing mechanism comprises an electric telescopic rod (14), the electric telescopic rod (14) is vertically connected to the connecting tube head (15), the electric telescopic rod (14) is electrically connected with the laser induction switch (22), the telescopic end of the electric telescopic rod (14) is connected with an umbrella-shaped cover body (23), an elastic rubber ring (25) aligned with the air inlet tube (16) is arranged at the bottom of the umbrella-shaped cover body (23), and a telescopic connecting rod (24) is connected between the umbrella-shaped cover body (23) and the elastic rubber ring (25); the inner ring of the elastic rubber ring (25) is provided with a boss (26) matched with the umbrella-shaped cover body (23); the elastic rubber ring (25) is a conical body, the bottom end diameter of the elastic rubber ring (25) is smaller than the inner diameter of the air inlet through pipe (16), and the top end diameter of the elastic rubber ring is larger than the inner diameter of the air inlet through pipe (16).
2. The chemical oxygen fire-fighting self-rescue respirator according to claim 1, wherein a plurality of ventilation cotton columns (18) are circumferentially equidistantly distributed, and each ventilation cotton column (18) penetrates through the rotary disc (17).
3. The chemical oxygen fire-fighting self-rescue respirator according to claim 1, wherein a connecting guide rail (4) is connected to the outer wall of the fireproof hood (1), a cleaning scraping strip (3) is connected to the connecting guide rail (4) in a sliding manner, the cleaning scraping strip (3) is attached to the window (2), a connecting spring (5) is connected between the cleaning scraping strip (3) and the connecting guide rail (4), and one end of the cleaning scraping strip (3) is connected with a pull rope (6).
4. The chemical oxygen fire-fighting self-rescue respirator according to claim 1, wherein a microphone (13) is arranged on the inner wall of the breathing mask (8), and a loudspeaker (7) electrically connected with the microphone (13) is connected on the outer wall of the fireproof hood (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211277158.4A CN115531758B (en) | 2022-10-18 | 2022-10-18 | Chemical oxygen fire-fighting self-rescue respirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211277158.4A CN115531758B (en) | 2022-10-18 | 2022-10-18 | Chemical oxygen fire-fighting self-rescue respirator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115531758A CN115531758A (en) | 2022-12-30 |
| CN115531758B true CN115531758B (en) | 2023-07-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211277158.4A Active CN115531758B (en) | 2022-10-18 | 2022-10-18 | Chemical oxygen fire-fighting self-rescue respirator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115531758B (en) |
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| EP0241169A1 (en) * | 1986-04-02 | 1987-10-14 | Coal Industry (Patents) Limited | Improved breathing apparatus |
| CN2317893Y (en) * | 1997-06-20 | 1999-05-12 | 煤炭科学研究总院抚顺分院 | Chemical oxygen self-saving device |
| US6615828B1 (en) * | 1999-03-19 | 2003-09-09 | 3M Innovative Properties Company | Flow indicator device for respirators |
| CN2778323Y (en) * | 2005-03-16 | 2006-05-10 | 黑龙江省森林保护研究所 | Chemical oxygen inhalation apparatus for forest fire fighter |
| CN111744118A (en) * | 2020-07-30 | 2020-10-09 | 大连圣迈新材料有限公司 | Oxygen generating tank for respirator and 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 |
| CN217489571U (en) * | 2022-05-11 | 2022-09-27 | 内蒙古习尚喜新材料科技有限公司 | Chemical oxygen self-rescue respirator |
| WO2023277353A1 (en) * | 2021-06-28 | 2023-01-05 | 주식회사 케이디펜스 | Ventilation device for air respirator mask |
-
2022
- 2022-10-18 CN CN202211277158.4A patent/CN115531758B/en active Active
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| EP0241169A1 (en) * | 1986-04-02 | 1987-10-14 | Coal Industry (Patents) Limited | Improved breathing apparatus |
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| CN111744118A (en) * | 2020-07-30 | 2020-10-09 | 大连圣迈新材料有限公司 | Oxygen generating tank for respirator and respirator |
| WO2023277353A1 (en) * | 2021-06-28 | 2023-01-05 | 주식회사 케이디펜스 | Ventilation device for air respirator mask |
| 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 |
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| CN115531758A (en) | 2022-12-30 |
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Denomination of invention: A chemical oxygen fire self rescue respirator Granted publication date: 20230725 Pledgee: Qianshan Anhui rural commercial bank Limited by Share Ltd. Pledgor: ANHUI ZHONGNAN AIR DEFENCE WORKS PROTECTIVE EQUIPMENT Co.,Ltd. Registration number: Y2024980020705 |
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