CN107998528A - A kind of chemical oxygen self-rescuer chemical pot for generating oxygen - Google Patents
A kind of chemical oxygen self-rescuer chemical pot for generating oxygen Download PDFInfo
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- CN107998528A CN107998528A CN201711482201.XA CN201711482201A CN107998528A CN 107998528 A CN107998528 A CN 107998528A CN 201711482201 A CN201711482201 A CN 201711482201A CN 107998528 A CN107998528 A CN 107998528A
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- Prior art keywords
- oxygen
- chemical
- tank body
- rescuer
- valve
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/08—Respiratory apparatus containing chemicals producing oxygen
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B9/00—Component parts for respiratory or breathing apparatus
- A62B9/003—Means for influencing the temperature or humidity of the breathing gas
Abstract
The invention discloses a kind of chemical oxygen self-rescuer chemical pot for generating oxygen, the chemical pot for generating oxygen includes tank body, air bleeding valve and oxygen candle are set on the tank body, air bleeding valve is arranged on more than the oxygen producing reagent of the chemical oxygen self-rescuer chemical pot for generating oxygen with the tank body and below breathing component connecting pin tank body, and the opening and closing of the air bleeding valve is realized by pulling mode；Radiating subassembly and oxygen producing reagent are set in the tank body, and chemical pot for generating oxygen is separated into multiple accommodation spaces for placing oxygen producing reagent while carrying out filtering cooling to the gas in chemical pot for generating oxygen by radiating subassembly.Respiratory resistance is reduced, the temperature of breathing gas is reduced, improves the utilization rate of oxygen producing reagent.
Description
Technical field
The present invention relates to colliery safety means, and in particular to a kind of chemical oxygen self-rescuer chemical pot for generating oxygen.
Background technology
Self-rescuer product is roughly divided into two major classes：Reciprocating structure, circulating structure.
Reciprocating structure：Breathing gas inlet and outlet are all breathing hose, and air bag is located at medicinal cupping bottom, and air bleeding valve is normally at
On air bag, breathing gas through medicinal cupping twice.Air-flow passes through medicinal cupping twice, and the vapor that can make to be blown in medicament lower floor returns to
Upper strata, vapor can be evenly distributed in medicinal cupping and mitigate caking, and respiratory resistance, which rises, to be relaxed, and puts that oxygen is uniform, the utilization rate of oxygen
Increase.But since tidal air is by medicinal cupping, air-breathing is also heated, breathing temperature is higher, and then also exacerbates reaction rate, is made
Oxygen content is obtained to increase, and exhaust mode is air bags method, the gas oxygen content of discharge is high, reduces medicine utilization rate；
Circulating structure：Exhale and reach medicinal cupping through expiration hose, into air bag, air bag is overhead, and expiration hose position
In air bag, air bleeding valve is located on expiration hose, but drives exhaust valve opening to a certain extent by air bag bulging；Air-breathing is directly inhaled
Gas in air bag, breathing gas through medicinal cupping once.Such a structure is exhaled and medicament reaction is violent, and oxygen discharging amount is higher than early period
Later stage so that the utilization rate of oxygen is lower；Because air-flow only by medicine layer once, to CO2Absorb not thorough enough.Utilization to medicine
Rate is high, and CO2Concentration is relatively low, and reaction is abundant, and the vapor in exhaling at this time, which is flushed to medicinal cupping bottom and concentrates, causes bottom medicament
Serious caking, when expiratory resistance steeply risen in the guard time later stage；
Chemical oxygen self-rescuer is in development process, by substantial amounts of experiment and investigation, utilization of the reciprocating structure to medicine
Rate, resistance, temperature etc. suffer from obvious advantage relative to circulating structure；But the air bleeding valve of reciprocating structure is often positioned in gas
It is oxygen that gas component is most of on capsule, during exhaust, and then causes to aggravate reaction rate, and reduction medicine utilization rate, causes to breathe
Temperature increase, to reach specified guard time, certainly will cause amount of medicament to increase, cost increase.
The content of the invention
The purpose of the disclosure is to provide a kind of chemical oxygen self-rescuer chemical pot for generating oxygen, reduces respiratory resistance, reduces tidal air
The temperature of body, the utilization rate for improving oxygen producing reagent.
To achieve these goals, the disclosure provides a kind of chemical oxygen self-rescuer chemical pot for generating oxygen, the chemical pot for generating oxygen
Including tank body, air bleeding valve and oxygen candle are set on the tank body, air bleeding valve is arranged on the chemical oxygen self-rescuer chemical pot for generating oxygen
Oxygen producing reagent more than tank body on, the opening and closing of the air bleeding valve is realized by pulling mode；
Radiating subassembly and oxygen producing reagent, radiating subassembly connection breathing component and tank body, heat dissipation are set in the tank body
Tank body is separated into multiple accommodation spaces for placing oxygen producing reagent while carrying out filtering cooling to the gas in tank body by component.
Optionally, radiating subassembly includes snorkel and heat radiation rack, and snorkel is embedded the setting in the air bleeding valve of the tank body
End, heat radiation rack are arranged in tank body, and tank body is separated into multiple accommodation spaces and is used to place oxygen producing reagent by snorkel and heat radiation rack.
Optionally, the air bleeding valve includes valve body and spool, and tank body and atmosphere, spool are arranged on valve body by valve body
Interior, one end of spool carries out valve body and the closure at atmosphere end, and the closure area of spool is less than the cross-sectional area of valve body, valve
The other end of core, which is set, pulls component.
Optionally, the air bleeding valve saves oneself chemical oxygen including valve body, spool, valve seat, spring and spool bracing wire, valve body
Device chemical pot for generating oxygen and atmosphere, the valve seat is movable to be arranged in the valve body, and spool is limited in valve seat by spring
The upper closure for carrying out valve body, spool realize the opening and closing of valve body by the pulling of spool bracing wire.
Optionally, the spring be by end of the valve body away from the tank body to the close tank body end diameter gradually
Big helical spring.
Optionally, the heat radiation rack includes heat sink at least arranged in a crossed manner.
Optionally, the heat sink at least two arranged in a crossed manner, and the intersecting angle of adjacent heat radiation plate for 60~
90°。
Optionally, the heat sink includes ventilation limitting casing, is folded in the ventilation limitting casing and sets multiple radiator-grids.
Optionally, the snorkel includes the connection pipeline section set from top to bottom and ventilation heat dissipation pipeline section, connects pipeline section
For connecting the tank body and breathing hose, ventilation heat dissipation pipeline section is used to carry out filtering cooling to approach gas.
Optionally, the connection pipeline section is tube body, and the ventilation heat dissipation pipeline section is the pipe with uniformly distributed through hole
Body, the filling heat dissipation silk screen in ventilation heat dissipation pipeline section.
Optionally, the cross section of the tank body is ellipse；
The sealing side structure of the tank body includes tank body cavity wall, sealing compound and tank body bottom wall, tank body bottom wall edge cladding tank
Body lumen wall edge is arranged on contact of the tank body cavity wall edge with tank body bottom wall edge towards the installation end curling of breathing component, sealing compound
On face.
Through the above technical solutions, the chemical oxygen self-rescuer chemical pot for generating oxygen of the disclosure can reduce respiratory resistance, reduce
The temperature of breathing gas, the utilization rate for improving oxygen producing reagent.
Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Attached drawing is for providing further understanding of the disclosure, and a part for constitution instruction, with following tool
Body embodiment is used to explain the disclosure together, but does not form the limitation to the disclosure.In the accompanying drawings：
Fig. 1 is the structure diagram of disclosure chemical oxygen self-rescuer；
Fig. 2 is the structure diagram of the chemical pot for generating oxygen of disclosure chemical oxygen self-rescuer；
Fig. 3 is the chemical pot for generating oxygen schematic cross-sectional view of disclosure chemical oxygen self-rescuer；
Fig. 4 is the structure diagram of the mouth tool radiator of disclosure chemical oxygen self-rescuer；
Fig. 5 is the structure diagram of the heat radiation rack of the chemical oxygen self-rescuer of the disclosure；
Fig. 6 is the heat radiation rack schematic cross-sectional view of the chemical oxygen self-rescuer of the disclosure；
Fig. 7 is the breather pipe structure schematic diagram of the chemical oxygen self-rescuer of the disclosure；
Fig. 8 is the tank body edge sealing structure schematic diagram of the chemical oxygen self-rescuer of the disclosure.
Each label is expressed as in figure：1- breathings component, 11- mouthfuls of tool plugs, 12- mouthfuls of tools, 13- mouthfuls of tool radiators, 131- first
Blow vent, 132- radiators, 133- radiating subassemblies, the second blow vents of 134-, 135- reflectors, 14- oxygen candle connecting line, 15- are exhaled
Inhale hose；
2- lifes oxygen component, 21- chemical pot for generating oxygen, 211- snorkels, 2111- connections pipeline section, 2112- ventilations radiate pipeline section,
212- heat radiation racks, the first heat sinks of 2121-, the second heat sinks of 2122-, a- ventilations limitting casing, b- radiator-grids, 213- life oxygen medicines
Agent, 214- air bags connector, 215- tank bodies, 2151- tank bodies cavity wall, 2152- sealing compounds, 2153- tank bodies bottom wall, 22- oxygen candle,
23- air bleeding valves, 231- valve bodies, 232- valve seats, 233- springs, 234- spools, 235- clips, 236- rubber sleeves, 237- spools are drawn
Line；
3- air bags；
4- wears insulating assembly, 41- heat insulating mattress, 42- and wears band.
Embodiment
The embodiment of the disclosure is described in detail below in conjunction with attached drawing.It should be appreciated that this place is retouched
The embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
In the disclosure, in the case where not making conversely explanation, the noun of locality that uses such as " above, following " typically refer to
Defined on the basis of the drawing of respective drawings；" inside and outside " typically refers to the inner and outer of corresponding component profile；" remote, near " is with phase
Answer what is defined on the basis of the drawing of attached drawing." cross-sectional area " typically refers on the basis of the drawing of respective drawings transversely Vertical Square
To the crosscutting rear formation of progress.
As shown in Figure 1, the chemical oxygen self-rescuer of the disclosure includes the breathing component 1, raw oxygen component 2 and air bag being sequentially communicated
3, raw oxygen component 2 includes chemical pot for generating oxygen 21, air bleeding valve 23 and oxygen candle 22, more than the oxygen producing reagent of chemical pot for generating oxygen 21 with breathing group
Air bleeding valve 23 is set on the component below the breathe end of part 1, and air bleeding valve 23 is used for will be unnecessary in self-rescuer gas circulation system
Gas and/or due to chemical pot for generating oxygen produce excessive oxygen be discharged in air, can be arranged on breathing group than example exhaust valve 23
On the breathing hose 15 of part 1 or in the junction of breathing hose 15 and chemical pot for generating oxygen 21, it is further preferable that by air bleeding valve 23
It is arranged at the upper wall of chemical pot for generating oxygen 21, as long as the breathing that is, more than the oxygen producing reagent of chemical pot for generating oxygen 21 with breathing component 1
The exhaust effect of the air bleeding valve can be realized by holding on following component, the gas component for the air bleeding valve discharge that this position is set
Most of is CO2, newly-generated oxygen content is low, so in the case of limited discharge gas flow, can save oxygen producing reagent
The oxygen of generation, improves medicine utilization rate, and oxygenic reaction especially acutely, while will not be beneficial to the temperature for reducing breathing gas；Than
Example exhaust valve directly connects chemical pot for generating oxygen, and medicinal cupping temperature is higher during reaction, and when exhaust can take high-temperature gas out of, reduce medicinal cupping temperature
The cyst wall of degree, the spool of air bleeding valve and air bag is connected by flexible member, such as cotton rope, rubber rope, soft alloy rope etc. all may be used
With air bag can swell during the gas and chemical pot for generating oxygen generation gas from human body respiration is received, and one is formed after swelling
The fixed displacement distance away from raw oxygen component, so that the opening and closing of air bleeding valve are realized in the pulling that valve core is exhausted.
As shown in figure 3, in embodiment of the disclosure, radiating subassembly and oxygen producing reagent 213 are set in chemical pot for generating oxygen 21,
Radiating subassembly includes snorkel 211 and heat radiation rack 212, the connection of snorkel 211 breathing component 1 and chemical pot for generating oxygen 21, heat radiation rack 212
It is arranged in chemical pot for generating oxygen 21, chemical pot for generating oxygen 21 is separated into multiple accommodation spaces and is used to put by snorkel 211 and heat radiation rack 212
Oxygen producing reagent 213 is put, air bag connector 214 is set in the bottom of chemical pot for generating oxygen 21, for connecting chemical pot for generating oxygen 21 and air bag 3.
For example snorkel 211 is embedded in chemical pot for generating oxygen 21, heat radiation rack 212 is placed in chemical pot for generating oxygen 21, then chemical pot for generating oxygen 21
The interior space formed by snorkel 211 and heat radiation rack 212 may be used to fill oxygen producing reagent 213, such as potassium superoxide tablet,
For producing oxygen；An embedded part for snorkel 211 is used to connecting breathing component 1 and raw oxygen component 2, and another part can be with
The radiating wire of filter net type is filled, further plays the role of reducing gas temperature and filters gas, snorkel 211 and heat radiation rack
The 212 rational space that make use of in chemical pot for generating oxygen 21 of cooperation, makes radiating subassembly try one's best few occupied space, is oxygen producing reagent
213 filling provides the space of bigger, ensures requirement, while can also provide that temperature is lower, the more thorough tidal air of filtering
Body；By the cooperation of both radiating subassembly and air bleeding valve 23, making self-rescuer of the invention, radiating subassembly can dissipate first in use
Go out certain heat, because of heat, CO2 and aqueous vapor that exhaust is taken out of, can also reduce the reaction rate in oxygen generating agent later stage, reduce reaction and put
Heat.
With reference to Fig. 3, in embodiment of the disclosure, air bleeding valve 23 includes valve body 231 and spool 234, and valve body 231 will raw oxygen
Medicinal cupping 21 and atmosphere, spool 234 are arranged in valve body 231, and one end of spool 234 carries out the closure of valve body 231, spool
234 other end is connected with air bag 3.For example valve body 231 is the housing member of cylinder, one end of valve body 231 is openend
Connected with chemical pot for generating oxygen 21, the other end of valve body 231 is provided with a certain size blow vent and atmosphere, and spool 234 can be in valve
Body 231 on the end face at atmosphere end with being blocked, and closure area is less than the cross-sectional area of valve body 231, spool 234
The other end is connected by flexible member with air bag cyst wall, for example, cotton rope, rubber rope, soft alloy rope etc. can, air bag 3 is connecing
It can swell during being produced gas by the gas from human body respiration and chemical pot for generating oxygen 21, certain remote life is formed after swelling
The displacement distance of oxygen component, so that the opening and closing of air bleeding valve 23 are realized in the pulling that 23 spool 234 of valve is exhausted.
For example a kind of feasible preferred embodiment, air bleeding valve 23 include valve body 231, spool 234, valve seat 232, spring
233 and spool bracing wire 237, by chemical pot for generating oxygen 21 and atmosphere, valve seat 232 is movable to be arranged in valve body 231 valve body 231,
, so can be in place with institute of the regulating valve seat 232 in valve body 231 for example valve seat 232 can be connected by screw thread with valve body 231
Put, and then adjust hold out against degree of the spring 233 to spool 234, for example the pitch of spring 233, decrement etc. can be adjusted, it is right
The working effect of air bleeding valve 23 is adjusted, to meet the requirement of different medicinal cupping ventilation degree；Spool 234 is limited by spring 233
The closure that valve body 231 is carried out on valve seat 232 is made, spool 234 is connected by spool bracing wire 237 with 3 inner wall of air bag.Such as valve
Body 231 is the housing member of cylinder, and the junction of valve body 231 and tank body 215 first sets the rubber sleeve 236 of a circular ring shape,
Valve body is connected on rubber sleeve 236 for 231 sets, it is big with clip 235, valve body 231 and the cross-sectional area of the connectivity part of chemical pot for generating oxygen 21
Cross-sectional area at valve body 231 and atmosphere, spool 234 are less than valve to the closure area at valve body 231 and atmosphere
The cross-sectional area of body 231 is more than valve body 231 and the cross-sectional area at atmosphere, for example the shape of the longitudinal section of spool 234 is
Similar to "T"-shaped component, i.e. 234 tops of spool are discoid occluding body, and the lower part of spool 234 is columnar connection
Body, the top of spool 234 carry out valve body 231 and the closure at atmosphere, and the lower part of spool 234 passes through valve through valve seat 232
Core bracing wire 237 is connected with air bag 3, best, and spool bracing wire 237 is connected through chemical pot for generating oxygen 21 with air bag 3, and what inside passed through sets
The mode of putting avoids extraneous factor interference and is opened accidentally valve body, and can only be by controlling air bleeding valve whether the expansion of air bag 3
Opening and closing.
Best, spring 233 is to close to the end of chemical pot for generating oxygen 21 by end of the valve body 231 away from chemical pot for generating oxygen 21
Diameter gradually big helical spring, since spool 234 is connected with soft spool bracing wire 237, may result in during pulling
The offset of 234 move angle of spool, causes the pulling campaign of spool 234 to have some setbacks, and therefore, spring 233 used is preferably Fig. 3
Shown in tower helical spring, certain centralizing function can be played to the movement of spool 234.
As it can be seen in figures 5 and 6, heat radiation rack 212 includes heat sink at least arranged in a crossed manner, heat sink arranged in a crossed manner is at least
Two, and the intersecting angle of adjacent heat radiation plate is 60 °~90 °.Heat sink arranged in a crossed manner such as can be according to Fig. 6
First heat sink 2121 and the second heat sink 2122 are arranged in a mutually vertical manner the "T"-shaped frame body of composition, can also be " ten " font
Frame body, or the plate body of two angled settings, can also be set using the intersection of three and more than three for another example
The plate body composition heat radiation rack put, but if plate body can take space excessive in chemical pot for generating oxygen too much, cause oxygen producing reagent
Placement space is reduced, and therefore, best set-up mode is the "T"-shaped frame body as set in Figures 5 and 6, and "T"-shaped frame body is in life
Arrangement in oxygen medicinal cupping can use the crossbeam after falling to be placed towards the direction of snorkel 211, the raw oxygen medicine of vertical beam direction
21 side wall of tank is placed, and best, snorkel 211 is embedded in the roof center of chemical pot for generating oxygen 21, at 211 both ends of snorkel
Chemical pot for generating oxygen in respectively arrangement one heat radiation rack 212, chemical pot for generating oxygen is separated into 5 by snorkel 211 and two heat radiation racks 212
Independent space, according to the filling for needing to carry out oxygen producing reagent 213 of raw oxygen amount in each space.
Best, in embodiment of the disclosure, heat sink includes ventilation limitting casing a, folds and sets in ventilation limitting casing a
Multiple radiator-grid b, for example ventilation limitting casing a is the board body frame for being uniformly arranged through hole thereon, is filled in board body frame netted
On the one hand loose radiator-grid is carried out spacing splendid attire by structure, board body frame, the regular structure of heat radiation rack 212, on the other hand
It can flexibly be adjusted according to the space layout in chemical pot for generating oxygen 21, ensure that there is heat radiation rack 212 in each corner, to approach
Air cool down.The filter screen plays heat dissipation and guiding role, and whole system plays guiding air-flow trend, reduces reaction speed
Rate, reduce the effect such as medicinal cupping temperature；The structural integrity is good, and simple in structure effective, control effect is splendid.
As shown in fig. 7, in embodiment of the disclosure, snorkel 211 includes the connection pipeline section 2111 set from top to bottom
With ventilation heat dissipation pipeline section 2112, connection pipeline section 2111 is used to connect breathing component 1 and raw oxygen component 2, ventilation heat dissipation pipeline section 2112
For carrying out filtering cooling to approach gas.For example connection pipeline section 2111 is common tube body, exhaling on connection breathing component 1
Hose 15 and the chemical pot for generating oxygen 21 on raw oxygen component 2 are inhaled, ventilation radiates pipeline section 2112 to be uniformly arranged the tube body of through hole on tube wall
Structure, can fill the radiator-grid b identical with heat radiation rack 212 in it, further playing reduces gas temperature and cross air filtration
The effect of body.
As shown in Figure 1 and Figure 4, in embodiment of the disclosure, breathing component 1 includes mouth tool 12, the mouth tool being sequentially communicated
Radiator 13 and breathing hose 15, mouth, which has, is plugged with mouth tool plug 11 on 12, connection oxygen candle connecting line 14 on mouth tool plug 11, for oxygen
The unlatching of candle；Mouth tool radiator 13 includes the first blow vent 131, radiator 132,133 and second blow vent 134 of radiating subassembly,
First blow vent 131 and the second blow vent 134 are arranged on radiator 132, and mouth tool radiator 13 passes through 131 He of the first blow vent
Second blow vent 132 is connected with mouth tool 12 and breathing hose 15, and radiating subassembly 133 is embedded in radiator 132 to the gas of approach
Body cools down.For example the framework that radiator 132 is circular ring shape, insertion radiating subassembly 133 in it, radiating subassembly 133 can be with
The screen net structure set for multi-laminate, on the one hand can reduce suction gas temperature, increase people is in the comfort of the process of wearing, the opposing party
Face reduces the gas temperature of incoming call, reduces the reaction rate of medicine, extends product effective protective time；And breathing resistance can be buffered
Power, even if personnel in the case of a hard exercise, cause respiratory capacity to increase, also can guarantee that resistance is steady；And in view of wearing
Angle problem, the first blow vent 131 and the second blow vent 134 are designed as carrying certain angle, can guarantee that breathing hose 15 and tank
Body 215 is vertical, ensures that gas circuit is unobstructed.Mouth tool radiator 13 designs to reduce breathing gas temperature, can be greatly reduced
Product suction temperature and expiration, inspiratory resistance；Prevent KO2Powder enters respiratory tract；Extend product effective protective time.
As shown in Fig. 2, in embodiment of the disclosure, chemical pot for generating oxygen 21 includes tank body 215, and the cross section of tank body 215 is
Ellipse；The tank body of ellipse will not produce the mismachining tolerance that right-angle side is brought when making, and ensure that each chemical pot for generating oxygen body
Long-pending stability, is conducive to high-volume, the making chemical oxygen self-rescuer of high stable.
As shown in figure 8, best, the sealing side structure of tank body 215 includes tank body cavity wall 2151, sealing compound 2152 and tank body
Bottom wall 2153,2153 edge of tank body bottom wall cladding tank body cavity wall, 2151 edge are crimped towards 1 installation end of breathing component, sealing compound
2152 are arranged on the contact surface at 2151 edge of tank body cavity wall and 2153 edge of tank body bottom wall.The traditional sealed cans technology of self-rescuer
It is that tank body and cover pressing are carried out using hydraulic press, cover wraps up the flange of can body, should using being sealed at glue envelope mode abutment joint
Mode sealing effect is poor, and the adhesive curing time is longer (24h), restricts the production efficiency of product significantly；And colloid have it is certain
Mobility, causes sealing face unsightly；To solve the problems, such as this, the present invention uses for reference the sealing mode of pop can cover, in self-rescuer
The advantages of industry introduces the sealed cans technology first, the technology is that sealing effect is good, and the degree of automation is high, and the tank body for sealing tank can
To enter directly into subsequent processing, product work efficiency is greatly improved；And surface aesthetic, no glue trace.
The chemical oxygen self-rescuer of the present invention is started with from above-mentioned technical proposal, reduces product respiratory resistance (respiratory resistance standard
For under the conditions of 35L/min, suction the sum of gas and exhaled gas resistance are not to be exceeded 13mbar, the maximum breathing resistance of when experiment
Power should not exceed 7.5mbar)；Reducing breathing temperature, (during 30% relative humidity, the temperature for sucking gas should not
More than+60 DEG C, for should not be more than+50 DEG C more than 30% relative humidity, temperature)；Guarantee meets corresponding barrier propterty (volume
Determine in guard time, suck CO in gas2Content capacity is no more than 1.5%, 3.0%) peak is no more than；Suitable for 30min,
The self-rescuer of 40min, 50min, 60min model, below be research and development trial-production during test data, will the present invention chemistry
Oxygen life saving device has carried out performance test, and experimental result is shown in Table the experimental data in 1, table 2, table 3 and table 4：
The self-rescuer the performance test results of 1 30min models of table
| Guard time | O2 concentration | CO2 concentration | Expiratory resistance | Inspiratory resistance | Expired gas temperature | Suction temperature | Dry-bulb temperature | Wet-bulb temperature |
| (min) | (%) | (%) | (Pa) | (Pa) | (℃) | (℃) | (℃) | (℃) |
| 7:44 | 20.8 | 0.34 | 259 | -312 | 32.2 | 28.3 | 27.2 | 23.6 |
| 7:45 | 21.8 | 0.33 | 232 | -267 | 33.1 | 30.2 | 29 | 25.1 |
| 7:46 | 27 | 0.69 | 237 | -285 | 33.6 | 31.5 | 30.2 | 25.9 |
| 7:47 | 34.4 | 0.94 | 248 | -275 | 33.9 | 32.6 | 31.2 | 26.4 |
| 7:48 | 41.8 | 1.1 | 303 | -279 | 34.3 | 33.6 | 32 | 26.8 |
| 7:49 | 49.1 | 1.22 | 295 | -278 | 34.8 | 34.5 | 32.9 | 26.8 |
| 7:50 | 56.9 | 1.17 | 304 | -263 | 35.4 | 35.4 | 33.4 | 26.9 |
| 7:51 | 63.8 | 1.04 | 313 | -268 | 36.1 | 36 | 33.9 | 27.1 |
| 7:52 | 69.4 | 1.01 | 320 | -275 | 36.4 | 36.6 | 34.2 | 27.3 |
| 7:53 | 73.9 | 1.01 | 325 | -283 | 36.7 | 37 | 34.5 | 27.4 |
| 7:54 | 77.4 | 1.02 | 344 | -328 | 37.1 | 37.5 | 34.7 | 27.6 |
| 7:55 | 80.2 | 1.05 | 351 | -337 | 37.7 | 38 | 35.2 | 27.7 |
| 7:56 | 82.4 | 1.08 | 335 | -375 | 38.1 | 38.5 | 35.6 | 27.9 |
| 7:57 | 84.2 | 1.06 | 336 | -288 | 38.5 | 39.1 | 36 | 28.2 |
| 7:58 | 85.7 | 0.97 | 336 | -300 | 38.8 | 39.6 | 36.6 | 28.5 |
| 7:59 | 86.8 | 0.88 | 337 | -290 | 39.2 | 40.1 | 37 | 28.9 |
| 8:00 | 87.7 | 0.81 | 903 | -1252 | 42 | 43.6 | 40 | 29.5 |
| 8:01 | 88 | 0.82 | 1280 | -1095 | 43.3 | 45.9 | 42 | 31.2 |
| 8:02 | 88.3 | 1 | 893 | -947 | 44.2 | 47.4 | 43.3 | 32.4 |
| 8:03 | 88.9 | 1.03 | 891 | -963 | 45.1 | 48.6 | 44.4 | 33.3 |
| 8:04 | 89.1 | 1.02 | 890 | -969 | 45.7 | 49.9 | 45.2 | 34.1 |
| 8:05 | 89.1 | 1.01 | 887 | -978 | 43.3 | 47 | 43.5 | 34.8 |
| 8:06 | 89.4 | 0.94 | 335 | -314 | 42.8 | 46.2 | 43 | 34.8 |
| 8:07 | 89.7 | 0.74 | 324 | -323 | 42.9 | 46.1 | 43.1 | 34.5 |
| 8:08 | 89.6 | 0.66 | 318 | -326 | 43 | 46.2 | 43.1 | 34.3 |
| 8:09 | 89.3 | 0.65 | 315 | -333 | 43.2 | 46.3 | 43.1 | 34.5 |
| 8:10 | 88.9 | 0.65 | 314 | -332 | 43.2 | 46.4 | 43.3 | 34.4 |
| 8:11 | 88.4 | 0.68 | 386 | -339 | 43.2 | 46.4 | 43.5 | 34.5 |
| 8:12 | 88 | 0.72 | 346 | -368 | 43.3 | 46.6 | 43.7 | 34.5 |
| 8:13 | 87.5 | 0.76 | 320 | -396 | 43.3 | 46.7 | 43.9 | 34.7 |
| 8:14 | 87 | 0.8 | 314 | -439 | 43.6 | 47 | 44.1 | 34.8 |
| 8:15 | 86.5 | 0.82 | 316 | -356 | 43.7 | 47 | 44.4 | 35 |
| 8:16 | 85.9 | 0.85 | 315 | -361 | 43.8 | 47.2 | 44.7 | 35.3 |
| 8:17 | 85.2 | 0.91 | 316 | -365 | 43.8 | 47.4 | 44.9 | 35.6 |
| 8:18 | 84.3 | 1 | 383 | -372 | 43.8 | 47.4 | 45.1 | 36 |
| 8:19 | 83.3 | 1.11 | 364 | -374 | 44.1 | 47.7 | 45.4 | 36.2 |
| 8:20 | 82.2 | 1.23 | 319 | -377 | 44 | 47.7 | 45.6 | 36.6 |
| 8:21 | 80.9 | 1.4 | 319 | -380 | 44.3 | 47.8 | 45.9 | 36.9 |
The self-rescuer the performance test results of 2 40min models of table
The self-rescuer the performance test results of 3 50min models of table
The self-rescuer the performance test results of 4 60min models of table
It was found from the experimental data in table 1- tables 4, the device of the invention can meet 30min, 40min, 50min,
The self-rescuer of 60min models, meets the requirement of oxygen concentration, the temperature of breathing gas in the use of time without big fluctuation,
Respiratory resistance needed at the same time etc. can also be met the requirements.
The preferred embodiment of the disclosure is described in detail above in association with attached drawing, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure
Monotropic type, these simple variants belong to the protection domain of the disclosure.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the disclosure to it is various can
The combination of energy no longer separately illustrates.
In addition, it can also be combined between a variety of embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought, it should equally be considered as disclosure disclosure of that.
Claims (10)
- A kind of 1. chemical oxygen self-rescuer chemical pot for generating oxygen, it is characterised in that the chemical pot for generating oxygen (21) includes tank body (215), Air bleeding valve (23) and oxygen candle (22) are set on the tank body (215), and air bleeding valve (23) is arranged on the chemical oxygen self-rescuer and uses On tank body (215) more than the oxygen producing reagent of chemical pot for generating oxygen (21), the opening and closing of the air bleeding valve (23) is realized by pulling mode；Radiating subassembly and oxygen producing reagent (213), radiating subassembly is set to be separated into tank body (215) in the tank body (215) Multiple accommodation spaces are used to place oxygen producing reagent (213) while carry out filtering cooling to the gas in tank body (215).
- 2. chemical oxygen self-rescuer chemical pot for generating oxygen according to claim 1, it is characterised in that air bleeding valve (23) bag Valve body (231) and spool (234) are included, tank body (215) and atmosphere, spool (234) are arranged on valve body by valve body (231) (231) in, one end of spool (234) carries out valve body (231) and the closure at atmosphere end, and the closure area of spool (234) Less than the cross-sectional area of valve body (231), the other end of spool (234), which is set, pulls component.
- 3. chemical oxygen self-rescuer chemical pot for generating oxygen according to claim 1, it is characterised in that the air bleeding valve includes valve Body (231), spool (234), valve seat (232), spring (233) and spool bracing wire (237), valve body (231) is by tank body (215) and greatly Gas connects, and the valve seat (232) is movable to be arranged in the valve body (231), and spool (234) is limited in valve seat by spring (232) closure of valve body (231) is carried out on, spool (234) realizes opening for valve body (231) by the pulling of spool bracing wire (237) Close.
- 4. chemical oxygen self-rescuer chemical pot for generating oxygen according to claim 4, it is characterised in that the spring (233) is By the end diameter gradually big spiral bullet of end of the valve body (231) away from the tank body (215) to the close tank body (2154) Spring.
- 5. chemical oxygen self-rescuer chemical pot for generating oxygen according to claim 1, it is characterised in that radiating subassembly includes snorkel (211) it is embedded with heat radiation rack (212), snorkel (211) in the setting end of the air bleeding valve of the tank body (215), heat radiation rack (212) It is arranged in tank body (215), tank body (215) is separated into multiple accommodation spaces and is used to put by snorkel (211) and heat radiation rack (212) Put oxygen producing reagent (213).
- 6. chemical oxygen self-rescuer chemical pot for generating oxygen according to claim 5, it is characterised in that the heat radiation rack (212) Including heat sink at least arranged in a crossed manner, the heat sink at least two arranged in a crossed manner, and the angle of the crossing of adjacent heat radiation plate Spend for 60~90 °.
- 7. chemical oxygen self-rescuer chemical pot for generating oxygen according to claim 6, it is characterised in that the heat sink includes logical Gas limitting casing (a), folds in the ventilation limitting casing (a) and sets multiple radiator-grids (b).
- 8. chemical oxygen self-rescuer chemical pot for generating oxygen according to claim 5, it is characterised in that the snorkel (211) Including the connection pipeline section (2111) and ventilation heat dissipation pipeline section (2112) set from top to bottom, connection pipeline section (2111) is used to connect institute Tank body (215) and breathing hose (15) are stated, ventilation heat dissipation pipeline section (2112) is used to carry out filtering cooling to approach gas.
- 9. chemical oxygen self-rescuer chemical pot for generating oxygen according to claim 8, it is characterised in that the connection pipeline section (2111) it is tube body, ventilation heat dissipation pipeline section (2112) is the tube body with uniformly distributed through hole, in ventilation heat dissipation pipeline section (2112) filling heat dissipation silk screen in.
- 10. chemical oxygen self-rescuer chemical pot for generating oxygen according to claim 1, it is characterised in that the tank body (215) Cross section is ellipse；The sealing side structure of the tank body (215) includes tank body cavity wall (2151), sealing compound (2152) and tank body bottom wall (2153), Tank body bottom wall (2153) edge coats tank body cavity wall (2151) edge and is crimped towards air bleeding valve (23) installation end, sealing compound (2152) It is arranged on the contact surface at tank body cavity wall (2151) edge and tank body bottom wall (2153) edge.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711482201.XA CN107998528A (en) | 2017-12-29 | 2017-12-29 | A kind of chemical oxygen self-rescuer chemical pot for generating oxygen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711482201.XA CN107998528A (en) | 2017-12-29 | 2017-12-29 | A kind of chemical oxygen self-rescuer chemical pot for generating oxygen |
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| CN107998528A true CN107998528A (en) | 2018-05-08 |
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| CN201711482201.XA Pending CN107998528A (en) | 2017-12-29 | 2017-12-29 | A kind of chemical oxygen self-rescuer chemical pot for generating oxygen |
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| CN109621242A (en) * | 2018-12-14 | 2019-04-16 | 陕西斯达防爆安全科技股份有限公司 | Radiating subassembly is used inside a kind of oxygen generator body of chemical oxygen self-rescuer |
| WO2019128429A1 (en) * | 2017-12-29 | 2019-07-04 | 陕西斯达防爆安全科技股份有限公司 | Chemical oxygen self-rescue device |
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