CN2475424Y - Intelligent compoiste respirator - Google Patents
Intelligent compoiste respirator Download PDFInfo
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- CN2475424Y CN2475424Y CN 01226410 CN01226410U CN2475424Y CN 2475424 Y CN2475424 Y CN 2475424Y CN 01226410 CN01226410 CN 01226410 CN 01226410 U CN01226410 U CN 01226410U CN 2475424 Y CN2475424 Y CN 2475424Y
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
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Abstract
The utility model discloses an intellectual compound breath machine, comprising a veil, an isolation air providing device, a filtration air providing device, a back supporting device, an automatic conversion valve and an automatic control device. The automatic conversion valve mutually connects the veil, the isolation air providing device and the filtration air providing device, and the conversion of two air providing manners is realized by the automatic control device, the working time of the breath machine is prolonged more than one time under the premise that the weight of the entire machine is not increased, the damage degree of the surrounding environment can be detected real time, the conversion time is determined automatically, which effectively saves the weight of self-carried air and ensures the safety of the users.
Description
The utility model relates to a kind of personal breathing road protective equipment, and particularly relating to a kind of fire-fighting and rescue task that is used for also can be at the respirator of operation under the anaerobic environment.
Existing personal breathing road protective equipment (breathing mask) generally is divided into isolation type and filtering type two big classes, is applicable to different occasions respectively, usually can not the phase trans-substitution.When in industrial and mining enterprises; high level or hypogee such as subway; the tunnel; fortification; the warehouse; the airport; the hotel; large ship; when the condition of a disaster (mostly being toxic gases such as fire or coal gas reveals) appears in occasions such as harbour; owing to usually can run into the high concentration toxic smoke; carbon monoxide or anaerobic environment; and have no idea to predict the degree of danger in the environment; the concentration of noxious material; or the percentage of oxygen in the air; therefore when the fire-fighting rescuer is carried out various fire-fightings and is rescued operation inside and outside building; must wear respirator to protect self, this respirator is the breathing mask of isolation type normally.Used in the past major part is an oxygen isolation type mask, and its shortcoming is a complex structure, and operation technique requires high, maintenance difficult; Used the suction type air mask afterwards instead, but this mask reveals easily, safety coefficient is not high; After 1987 the U.S. formal provision forbidden to use and produced the suction type air mask, some NFA mechanisms of west progressively were adapted as the positive-pressure type air respiratorresuscitator or claimed positive-pressure type self-contained breathing device (SCBA) in recent years.When wearing positive-pressure type self-contained breathing device SCBA, can be after requiring the user to put on the SCBA mask by decompressor or by doser control of breathing, that be connected with the breathing adapter, draw air and breathe in compressed gas cylinder, the gas that the user breathes out directly is expelled in the surrounding air by respiratory siphon and expiration valve.SCBA is a kind of of isolation type mask, and it is breathed for the people with self-contained air, and is irrelevant with the kind concentration that enters the poison gas that pollutes in the surrounding air, toxic smoke, also irrelevant with air anoxic and temperature in the fire.Yet, limit by self entrained air capacity.Be 40 minutes general maximum service time, comprises taking orders, observing the condition of a disaster (Toxic Free Area), enter in the disaster area way (low contaminated area), the operation of speedily carrying out rescue work (high contaminated area) and withdraw from and (hang down the contaminated area) in the way, disaster area the needed time.
Nineteen ninety-five, Germany DNAGEN company released two bottled PA94 respirators, can use for the time more than 1 hour, was one of the most advanced respirator of present technology.Its gas cylinder is compared with traditional gas cylinder and is alleviated 60% weight approximately.But the minimum weight of complete machine still is 16-18 kilogram, the top limit that oneself carries load criterion near European individual after inflating 3600 liters.Be very big heavy burden concerning the fire fighter wears operation, and reached 26000 yuan/tool in Chinese price at present.Such weight and price enter Chinese market and overseas market, and sales volume can be very not big.
From domestic and international SCBA Analysis on development.Its technological approaches is the requirement of satisfying increase service time of fire-fighting and rescue personnel with the method that the increase personnel carry air capacity.SCBA itself carries air capacity to be increased and to wear weight with mask and be directly proportional, and also is directly proportional with the mask selling price: thus this technology by way of the growth respirator wear weight ratio and price than aspect arrived Xiang Feng, development prospect is little.Filtering face is compared with the isolation type mask, has in light weight, easy to use, the breathing advantage that for ease of maintenaince waits comfortable, simple in structure, but can not use in anoxic, high temperature reach greater than the poison gas of volumetric concentration 1%, also be selectively to the toxic agent kind that can protect.In the process of speedily carrying out rescue work, the non-activity duration can take 1/3 to 2/3 of full time, this moment, this moment, fume respirator was suitable at this moment, but just can't use after getting into a danger zone because toxic agent concentration is not high, do not have anoxic and high-temperature situation comparatively speaking yet.
Because traditional isolation type plenum system and use limitation different with fume respirator, the purpose of this utility model provides a kind of Intelligent Composite respirator that can realize two kinds of functions simultaneously, two kinds of respirators are combined as a whole and can change automatically each other, use the filtering type function in the non-activity duration, himself carry air and then all be used for the operation of formally speedily carrying out rescue work, to increase the work service time of whole respirator, reduce the volume weight that carries air and gas cylinder.
For achieving the above object, the utility model adopts following technical scheme: it comprises face shield, isolation type feeder, filtering type feeder; Described Intelligent Composite respirator also comprises automatic conversion valve and automaton, this automatic conversion valve interconnects described face shield, isolation type feeder and filtering type feeder, and is realized the conversion of two kinds of plenum systems by automaton.
By combination with two kinds of respirator function, under the prerequisite that complete machine weight does not increase, the Intelligent Composite respirator working time of the present utility model has prolonged more than one times, but the extent of injury of its automaton real-time perception surrounding environment, automatically judge that the rescue personnel is in environment and the opportunity that life and health is just worked the mischief at once, and make respirator change isolation type air feed state at once, otherwise just enter filtering type state air feed, thereby realized the automatic conversion of two states, effectively save self entrained air weight, guaranteed user's safety.
Below in conjunction with drawings and Examples the utility model is described in further detail:
Fig. 1 is an operation principle block diagram of the present utility model;
Fig. 2 is the annexation schematic diagram of an embodiment of the utility model;
Fig. 3 is an assembling side elevation embodiment illustrated in fig. 2;
Fig. 4 is an assembled rear view embodiment illustrated in fig. 2
Fig. 5 is the operation principle schematic diagram of automaton in the utility model;
Fig. 6 is the structural representation of automatic conversion valve first embodiment in the utility model;
Fig. 7 is the upward view of Fig. 6;
Fig. 8 is the structural representation of automatic conversion valve second embodiment in the utility model.
See also Fig. 1: the Intelligent Composite respirator is made up of face shield 11 and feeder, back bracket assembly 30, automaton 20 and automatic conversion valve 18, feeder comprises two kinds of filtering type and isolation types, and the isolation type feeder comprises: gas cylinder 1, bottle valve 2, Pressure gauge and alarm 3, pressure-reducing valve 4,5, the moving valve 6 of lung; The filtering type feeder comprises: filter element 9, check valve 10 also are equipped with air blast 8 etc. sometimes.Can be divided into higher-pressure region, middle nip and atmospheric area by its plenum system and process, in the higher-pressure region, air in the gas cylinder 1 is opened by bottle valve 2 controls, after 4 decompressions of one-level pressure-reducing valve, enter wireway, because of reducing, stream pressure changes middle nip over to, through 6 decompressions of second depressurized valve, lung moves valve 6 usefulness so that remain suitable malleation in the face shield again, and this moment, the further reduction owing to stream pressure entered the atmospheric area that can supply personnel directly to breathe.In atmospheric area, by automaton 20 and automatically conversion valve 18 control the automatic conversion of gas cylinder air feed and filtering type plenum system, and pure air is sent in the face shield 11, the waste gas that personnel breathe out is then through outlet valve 17 discharges.
Be illustrated in figure 2 as the annexation schematic diagram of an embodiment of the utility model: wherein: face shield 11 is full facepiece mask, simple eye formula, air leakage factor %＜0.005%, actual idle space＜230 milliliter, total visual field＞75%, binocular field of view＞60%, the visual field, below＞40 degree, resistance＞40 millimeters of water (39.2 handkerchief) of band wireway, it guarantees that by the dense mount structure that closes of positive pressure gas minimum malleation gas leakage performance is arranged, and is fixed on people's head suitable location by headband or head-shield;
Pressure gauge is contained on the pressure-reducing valve 4, between bottle valve 2 and pressure-reducing valve 4, is connected with high-voltage tube between this Pressure gauge and the pressure-reducing valve 4, is used to measure gas pressure in the gas cylinder;
Pressure-reducing valve 4,5 is between bottle valve 2 and the moving valve 6 of lung, gas cylinder inner high voltage gas (30MPa) is reduced to the middle 6-8MPa that presses, invade in order to prevent dust, filter should be loaded onto in pressure-reducing valve 4,5 porch, to the pressure-reducing valve behind the set pressure, must add latched position in case produce pressure and change at the pressure regulation end.Should be provided with safety relief valve on the pressure-reducing valve 4,5.Relief valve outwards exhaust rapidly when producing the pressure overrate.Reducing pressure is not damaged with the protection miscellaneous part;
The moving valve 6 of lung is between pressure-reducing valve 5 and face shield 11 and automatic conversion valve 18, it is the valving of regulating gas supply flow by means of human lung's aspiratory action, the 6-8MPa gas regulation of middle nip directly can be breathed for personnel to 600Pa, its air feed interface is established dust cap, rely on air-breathing unlatching air feed, make in the face shield 11 and remain malleation; When not needing the malleation air feed, can eliminate the automatic air feed of malleation, to reduce the gas waste, close air blast 8 simultaneously with using electricity wisely.
Back bracket assembly 30 (see figure 3)s are meant the combining form of back bracket, shoulder belt, waistband and coupling components thereof, and requiring back bracket behave to show consideration for to close does not have projecting member, in order to avoid produce when using uncomfortable.Shoulder belt is that the length of waistband should be regulated according to the human body needs.When use is carried harness and done various running, must not occur coming off or taking and climb the phenomenon that gets loose as ring, complete machine wears off under unmanned situation about helping fast.Sharp edges must not appear in any position, does not have to climb when contacting with other objects to hang the phenomenon generation.
Fig. 3 and Fig. 4 are assembling schematic diagrames of the present utility model, are the space mounting position of each functional unit on number of people face and health as shown in Figure 2.
Fig. 5 is the operation principle schematic diagram of automaton in the utility model: this device is partly formed by six: automatic power supply switch 19, power supply 14, sensor 13, control module 12, sound and light display 15 and magnetic valve 7.
Wherein: power supply 14 can be used after the charging repeatedly by commercial power charged, but each continuous operation more than 8 hours, serviceability temperature (20 to+60 ℃), rechargeable battery is changed convenient, and is solid and reliable.Described sensor 13 is that a kind of temperature and gas detecting element claim probe again, and existing on the market at present several polynary (picking up several species of gasses) probe comes out, and will select as required to use herein.After power switch is opened, temperature and gas sensor are started working, continuous temperature and oxygen with surrounding air, the poison gas concentration situation of change is passed to control module 12, when oxygen concentration＜18%, or temperature＞50 ℃, or poison gas concentration＞1% o'clock, control module 13 gives the alarm signal to sound and light display 15, provide an electric impulse signal simultaneously, in order to open magnetic valve 7 and to close air blast 8, make respirator change the isolation type state of gas cylinder compressed air air feed over to by the filtering type air feed, otherwise, when oxygen concentration＞18%, simultaneous temperature＜50 ℃ and poison gas concentration＜1% o'clock, control module 13 provides a reverse electric impulse signal equally in the signal that gives the alarm, to close magnetic valve 7 and to open air blast 8, make respirator change the filtering type air feed over to by the isolation type air feed.When toxic gas leakage or release appearred in the storing of poison gas production sometimes unit, when temperature and oxygen all were normality, the user can open magnetic valve 7 and make respirator enter isolation type air feed state by button default on magnetic valve 7.The signal treatment conversion that described control module 12 transmits sensor 13 is the photoelectric alarm signal, and with described electric impulse signal amplification, and then " opening " " pass " of control electromagnetic valve, thereby the plenum system of change respirator is realized the automatic conversion of dual mode.Described magnetic valve 7 belongs to prior aries, can buy from the market, and it is installed on the moving valve 6 of lung of respirator and the air duct between the conversion valve 18 automatically, with " opening " ' " passs " two states controls the circulation of the interior air of pipeline and ends.
Sound and light display 15 is intended reporting to the police with sound, light, does not distinguish two class air feed states with the color of different sounds and light.
Described automatic power supply switch 19 is installed in the headband or head-shield of described face shield 11, link to each other with power supply 14 with electric wire, after personnel have worn face shield 11, utilize headband or head-shield opened by pressure power switch in people's head formation, power supply 14 promptly begins power supply, after taking off face shield, because pressure disappears and the powered-down switch, power supply 14 is stopped power supply.
As Fig. 6, shown in 7 first embodiment of automatic conversion valve 18, comprise valve gap 111, valve base 112 and one are made by materials such as rubber, airtight good, the check valve 113 that resistance is very little, it is by a three-way pipe and face shield 11, magnetic valve 7 and filter element 9 interconnect, when personnel exhale, form malleation in the face shield 11, automatically conversion valve 18 is closed, the outlet valve 17 of the waste gas of being breathed out in being installed in communication got rid of, when personnel are air-breathing, open at magnetic valve 7, promptly under the gas cylinder plenum system, owing to keep malleation in moving valve 6 chambeies of lung, make same formation malleation in the mask and make check valve 11 3 compress valve base 112, thereby automatically conversion valve 18 is closed filtered air can't be passed through, and has only when magnetic valve 7 and closes, when gas cylinder 1 stops air feed, lung is a negative pressure in moving valve 6 chambeies, check valve 113 unclamps, and conversion valve 18 is opened and made filtered air pass through automatically, after the air of promptly contaminating purifies via filter element 9, lead to face shield 11 through automatic conversion valve 18, breathe for the people.
Fig. 8 is another embodiment of automatic conversion valve 18, and it is that the structure of check valve 113 and valve base 112 is different with the main distinction of first embodiment, but the operation principle unanimity.
Operation principle of the present utility model is: recovering in underground or high-rise heavy construction needs the very long working time often, is made as A minute.Be B minute wherein, be made as C minute, all can use the filtering type air feed in the low contaminated area working time in the Toxic Free Area working time.(poison gas concentration＞1%, high temperature, anoxic) needs to use isolation type in high contaminated area or when the chemical plant noxious material leaks or discharge, and air feed was made as D minute.
The positive-pressure type respirator need carry air capacity: A branch * 40 liter/minute=40A liter
The combined type respirator need carry air capacity:
D branch * 40 liter/minute=40D liter=40 * (A-B-C) rise
In the process of speedily carrying out rescue work, the time period of general B, C, D intermittently disperses, also can frequently replace each other, the rescue personnel is difficult to distinguish, the utility model is by the conversion opportunity and the conversion automatically of two kinds of plenum systems of automaton 20 energy real-time judge, be used for the operation of high contaminated area so self-contained air can be concentrated, alleviated the weight that mask carries air significantly.
Intelligent Composite respirator of the present utility model, its general structure can be high temperature resistant, low temperature (+60 ℃--30 ℃), possess corrosion resistance simultaneously, and used metal material must pass through preservative treatment on the product, perhaps directly adopts corrosion-resistant metal materials.Material therefor should be nontoxic, and is tasteless, when odorless, antistatic, particularly aluminium, titanium, magnesium and alloy thereof, antistatic measure must be arranged.
Claims (10)
1, a kind of Intelligent Composite respirator comprises face shield (11), isolation type feeder, filtering type feeder, back bracket assembly (30); It is characterized in that: described Intelligent Composite respirator also comprises automatic conversion valve (18) and automaton (20), this automatic conversion valve (18) interconnects described face shield (11), isolation type feeder and filtering type feeder, and is realized the conversion of two kinds of plenum systems by automaton (20).
2, Intelligent Composite respirator according to claim 1 is characterized in that: described isolation type feeder comprises: gas cylinder (1), bottle valve (2), alarm (3), pressure reducer (4,5), the moving valve (6) of lung; Described filtering type feeder comprises: filter element (9), check valve (10) etc.
3, Intelligent Composite respirator according to claim 1 and 2 is characterized in that: described automaton (20) comprises power supply (14), sensor (13), control module (12), sound and light display (15) and magnetic valve (7); Wherein said magnetic valve (7) is installed on the moving valve (6) of lung and the air duct between the automatic conversion valve (18) of this respirator, after the switch opens of power supply (14), the measuring-signal of described sensor (13) sends control module (12) to, when reaching alert if, carry out sound and light alarm, produce an electric impulse signal simultaneously, this signal is handled and amplification through control module (12), " opening " " pass " of control magnetic valve (7).
4, Intelligent Composite respirator according to claim 3 is characterized in that: the alert if of described automaton (20) is: oxygen concentration＜18% or temperature＞50 ℃ or poison gas concentration＞1%; And oxygen concentration＞18% and temperature＜50 ℃ and poison gas concentration＜1%.
5, Intelligent Composite respirator according to claim 1 and 2, it is characterized in that: described automatic conversion valve (18) comprises valve gap (111), valve base (112) and check valve (113), it is positioned between moving valve (6) of lung and the face shield (11), interconnect with face shield (11), the moving valve (6) of lung and filter element (9), at described magnetic valve (7) when opening, automatically conversion valve (18) is closed, when described magnetic valve (7) when closing then automatically conversion valve (18) open.
6, Intelligent Composite respirator according to claim 3, it is characterized in that: described automaton (20) also comprises automatic power supply switch (19), it is installed in the headband or head-shield of described face shield (11), link to each other with power supply 14 with electric wire, personnel make automatic power supply switch (19) open after having worn face shield (11), power supply (14) promptly begins power supply, and automatic power supply switch after taking off face shield (19) is closed, and power supply 14 is stopped power supply.
7, Intelligent Composite respirator according to claim 3 is characterized in that: described magnetic valve (7) also comprises a control button, and the user can open magnetic valve (7) by this button.
8, Intelligent Composite respirator according to claim 1 and 2 is characterized in that: described face shield (11) adopts the positive-pressure type face shield.
9, Intelligent Composite respirator according to claim 1 and 2 is characterized in that: described gas cylinder (1) adopts high strength steel D6AC or carbon fibre material to make.
10, Intelligent Composite respirator according to claim 1 and 2 is characterized in that: described back bracket assembly (30) comprises back bracket, shoulder belt, waistband and coupling components thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01226410 CN2475424Y (en) | 2001-06-05 | 2001-06-05 | Intelligent compoiste respirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01226410 CN2475424Y (en) | 2001-06-05 | 2001-06-05 | Intelligent compoiste respirator |
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| CN2475424Y true CN2475424Y (en) | 2002-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01226410 Expired - Fee Related CN2475424Y (en) | 2001-06-05 | 2001-06-05 | Intelligent compoiste respirator |
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| CN (1) | CN2475424Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797479A (en) * | 2010-02-25 | 2010-08-11 | 北京理工大学 | Method and device for distillating vacuum film by directly utilizing vapor compression heat pump |
| CN103182152A (en) * | 2013-04-03 | 2013-07-03 | 抚顺抚运安仪救生装备有限公司 | Positive pressure air respirator for emergency rescue |
| CN103619416A (en) * | 2011-05-25 | 2014-03-05 | 斯科特科技股份有限公司 | High pressure air cylinders for use with self-contained breathing apparatus |
| CN104390124A (en) * | 2014-09-18 | 2015-03-04 | 中山浩发节能科技有限公司 | Lifesaving automatic oxygen bottle |
| CN104436463A (en) * | 2013-09-19 | 2015-03-25 | 霍尼韦尔国际公司 | High-pressure converter of head-up display used on self-contained breathing apparatus |
| WO2015039321A1 (en) * | 2013-09-19 | 2015-03-26 | Honeywell International Inc. | High pressure transducer for head-up-display device on self contained breathing apparatus |
| CN106075762A (en) * | 2016-08-05 | 2016-11-09 | 湖南师范大学 | A kind of domestic hedging Security Module |
| WO2022141155A1 (en) * | 2020-12-30 | 2022-07-07 | 3M Innovative Properties Company | Self-contained breathing apparatus |
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2001
- 2001-06-05 CN CN 01226410 patent/CN2475424Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797479A (en) * | 2010-02-25 | 2010-08-11 | 北京理工大学 | Method and device for distillating vacuum film by directly utilizing vapor compression heat pump |
| CN101797479B (en) * | 2010-02-25 | 2012-09-05 | 北京理工大学 | Method and device for distillating vacuum film by directly utilizing vapor compression heat pump |
| CN103619416A (en) * | 2011-05-25 | 2014-03-05 | 斯科特科技股份有限公司 | High pressure air cylinders for use with self-contained breathing apparatus |
| CN103182152A (en) * | 2013-04-03 | 2013-07-03 | 抚顺抚运安仪救生装备有限公司 | Positive pressure air respirator for emergency rescue |
| CN103182152B (en) * | 2013-04-03 | 2016-01-20 | 抚顺抚运安仪救生装备有限公司 | Emergency management and rescue positive-pressure air respirator |
| CN104436463A (en) * | 2013-09-19 | 2015-03-25 | 霍尼韦尔国际公司 | High-pressure converter of head-up display used on self-contained breathing apparatus |
| WO2015039321A1 (en) * | 2013-09-19 | 2015-03-26 | Honeywell International Inc. | High pressure transducer for head-up-display device on self contained breathing apparatus |
| CN104436463B (en) * | 2013-09-19 | 2019-06-07 | 霍尼韦尔国际公司 | The high tension transformer of head-up display on self-contained type's breathing apparatus |
| CN104390124A (en) * | 2014-09-18 | 2015-03-04 | 中山浩发节能科技有限公司 | Lifesaving automatic oxygen bottle |
| CN106075762A (en) * | 2016-08-05 | 2016-11-09 | 湖南师范大学 | A kind of domestic hedging Security Module |
| CN106075762B (en) * | 2016-08-05 | 2021-07-30 | 湖南师范大学 | Household danger-avoiding safety cabin |
| WO2022141155A1 (en) * | 2020-12-30 | 2022-07-07 | 3M Innovative Properties Company | Self-contained breathing apparatus |
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