WO2023159727A1 - 一种生命舱应急呼吸空气切换系统 - Google Patents

一种生命舱应急呼吸空气切换系统 Download PDF

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Publication number
WO2023159727A1
WO2023159727A1 PCT/CN2022/087280 CN2022087280W WO2023159727A1 WO 2023159727 A1 WO2023159727 A1 WO 2023159727A1 CN 2022087280 W CN2022087280 W CN 2022087280W WO 2023159727 A1 WO2023159727 A1 WO 2023159727A1
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Prior art keywords
fire extinguishing
life
cabin
gas
chamber
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PCT/CN2022/087280
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English (en)
French (fr)
Inventor
高青
柳耀健
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安康泰(烟台)生命科学研究院有限公司
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Publication of WO2023159727A1 publication Critical patent/WO2023159727A1/zh

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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B31/00—Containers or portable cabins for affording breathing protection with devices for reconditioning the breathing air or for ventilating, in particular those that are suitable for invalids or small children
    • 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
    • A62B7/00—Respiratory apparatus
    • A62B7/02—Respiratory apparatus with compressed oxygen or air
    • 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
    • A62C—FIRE-FIGHTING
    • A62C31/00—Delivery of fire-extinguishing material
    • A62C31/02—Nozzles specially adapted for fire-extinguishing
    • A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C31/00—Delivery of fire-extinguishing material
    • A62C31/28—Accessories for delivery devices, e.g. supports

Definitions

  • the invention relates to the field of medical pressure vessels, in particular to an emergency breathing air switching system for a life cabin.
  • the life cabin uses air as the pressure medium to pressurize the cabin, and uses the oxygen supply device to supply the breathing oxygen of the people in the cabin. During this process, oxygen leakage is inevitable, and the biggest safety hazard is fire, so the life cabin is equipped with There is a fire extinguishing device. Once a fire occurs, the water sprinkler system will spray water into the cabin to achieve the purpose of extinguishing the fire.
  • this application provides an emergency breathing air switching system for a life cabin, which can improve the survivability of the people inside the life cabin when a fire occurs, and reduce the risk of respiratory burns and suffocation of the people in the life cabin.
  • An emergency breathing air switching system for a life cabin comprising: a life cabin, a gas delivery mask, a therapeutic breathing gas source, an emergency breathing gas source, a breathing gas switching device, a fire detector and a fire extinguishing device;
  • the gas delivery mask is arranged on the Inside the life cabin;
  • the therapeutic breathing gas source is set outside the life cabin, communicated with the gas delivery mask through a therapeutic gas pipeline for oxygen supply during oxygen therapy;
  • the emergency breathing gas source is set on the The outside of the life cabin is connected with the gas delivery mask through the emergency gas pipeline, which is used for the breathing gas supply of the people in the cabin when a fire occurs;
  • the breathing gas switching device includes a therapeutic breathing gas valve and a The emergency breathing gas valve used to control the on-off of the emergency gas pipeline;
  • the fire extinguishing device includes a fire extinguishing chamber; Fire extinguishing device.
  • the emergency breathing gas source further includes an air compression device, a pre-stage air filter, an air storage container, an air post-processing device, and an air pressure reducer connected in sequence through the emergency gas pipeline.
  • the fire extinguishing device includes a fire extinguishing chamber, a gas circulation device and a fire extinguishing spray device; the gas circulation device communicates with the fire extinguishing chamber; the fire extinguishing spray device includes several fire extinguishing spray pipes with fire extinguishing nozzles; The fire extinguishing spray pipe is arranged inside the fire extinguishing chamber.
  • the fire extinguishing chamber is set outside the life cabin; the inlet end of the fire extinguishing chamber is set on the top of the life cabin and communicates with the inside of the life cabin; the outlet end of the fire extinguishing chamber is set on the life cabin The side communicates with the interior of the life capsule.
  • the fire extinguishing nozzle is arranged on the upper part of the fire extinguishing spray pipe and communicates with the inside of the fire extinguishing spray pipe.
  • the present invention can quickly switch the oxygen in the air delivery mask of the personnel in the life cabin to air when a fire occurs, reduce the oxygen concentration near the respiratory tract of the personnel in the life cabin, effectively reduce the degree of combustion, and at the same time rely on the fire extinguishing device to protect the gas in the life cabin
  • the suction cycle increases the humidity in the life chamber, reduces the temperature in the life chamber, effectively improves the survivability of the people inside the life chamber when a fire occurs in the life chamber, and reduces the risk of respiratory burns and suffocation of the people in the life chamber.
  • Fig. 1 is the overall connection schematic diagram of the present invention
  • Fig. 2 is a schematic diagram of the connection structure between the life capsule and the fire extinguishing device of the present invention
  • FIG. 3 is a schematic diagram of the structure at position A-A in FIG. 2 .
  • liquid supply main pipe 172
  • liquid supply connecting pipe 173
  • fire extinguishing spray pipe 174
  • fire extinguishing nozzle 176
  • a life cabin emergency breathing air switching system includes a life cabin 1, a gas delivery mask, a therapeutic breathing gas source 12, an emergency breathing gas source, a breathing gas switching device, a fire detector 13 and a fire extinguishing device.
  • the fire detector 13 is preferably a smoke detector.
  • the breathing gas switching device includes a therapeutic breathing gas valve 10 for controlling the on-off of the therapeutic gas pipeline 11 and an emergency breathing gas valve 8 for controlling the on-off of the emergency gas pipeline 9 .
  • the air delivery mask is arranged in the life chamber 1 for the patient to wear when in use, so as to facilitate the breathing of therapeutic breathing gas or emergency breathing gas.
  • the therapeutic breathing gas source 12 is arranged outside the life chamber 1, communicates with the gas delivery mask through the therapeutic gas pipeline 9, and is used for oxygen supply during oxygen therapy.
  • the emergency breathing gas source is arranged outside the life cabin 1, communicates with the gas delivery mask through the emergency gas pipeline 9, and is used for supplying breathing gas to the people in the cabin when a fire occurs.
  • the emergency breathing gas source includes an air compression device 2 , a pre-stage air filter 4 , an air storage container 5 , an air post-processing device 6 and an air pressure reducer 7 connected in sequence through an emergency gas pipeline 9 .
  • an air aftercooler 3 is provided between the air compression equipment 2 and the pre-stage air filter 4 for cooling the compressed air produced by the air compression equipment 2 .
  • the fire extinguishing device communicates with the inside of the life cabin 1, including a fire extinguishing chamber 15, which is configured as a device for sucking the life cabin 1 and extinguishing the fire in the fire extinguishing chamber 15 when a fire occurs in the life cabin 1 .
  • the fire extinguishing chamber 15 is arranged outside the life cabin 1 .
  • the inlet end of the fire extinguishing chamber 15 is set on the top of the life cabin 1 and communicates with the inside of the life cabin 1
  • the outlet end is set on the side of the life cabin 1 and also communicates with the inside of the life cabin 1 .
  • the fire extinguishing device also includes a gas circulation device 18 and a fire extinguishing spray device 17 .
  • the gas circulation device 18 communicates with the fire extinguishing chamber 14 through a pipeline, and provides power for the gas and flame in the life cabin 1 to enter the fire extinguishing chamber 15 .
  • the gas circulation device 18 is preferably a commercially available high-pressure blower.
  • the fire extinguishing spray device 17 can spray fire extinguishing liquid in the fire extinguishing chamber 15 to extinguish the fire in the fire extinguishing chamber 15, and the liquid sprayed by the fire extinguishing spray device 17 can be sprayed into the life cabin 1 to extinguish the fire in the life cabin 1.
  • the gas in the life cabin 1 can circulate into the fire extinguishing chamber 15, and the temperature of the life cabin 1 can be effectively reduced by the evaporation and heat absorption of the liquid sprayed by the fire extinguishing sprinkler 17.
  • the isolation net 20 is arranged at the exit end of the fire extinguishing chamber 15 in the life cabin 1, and can disperse the liquid ejected from the fire extinguishing chamber 15, improve the degree of dispersion of the liquid in the life cabin 1, and further improve the fire extinguishing and cooling effects.
  • a liquid storage tank 19 is provided on the bottom surface of the life cabin 1 at the outlet end of the fire extinguishing chamber 15, which can be vaporized under the action of the gas at the outlet of the fire extinguishing chamber 15, and further provide more sufficient liquid vapor for the life cabin 1.
  • the fire extinguishing sprinkler device 17 includes several fire extinguishing sprinkler pipes 173 with fire extinguishing nozzles 174 , a liquid supply connecting pipe 172 and a liquid supply main pipe 171 .
  • the fire extinguishing spray pipe 173 communicates with the liquid supply main pipe 171 through the liquid supply connecting pipe 172 .
  • the fire extinguishing spray pipe 173 is arranged inside the fire extinguishing chamber 14, and the fire extinguishing nozzle 174 is arranged on the top of the fire extinguishing spray pipe 173, and communicates with the inside of the fire extinguishing spray pipe 173, and the fire extinguishing nozzle 174 can upwardly carry out the fire extinguishing liquid spray, improves the fire extinguishing liquid to spray.
  • the temperature in the fire extinguishing chamber 14 can be further reduced.
  • the therapeutic breathing gas valve 10 is opened, and the oxygen supplied by the therapeutic breathing gas source 12 enters the air delivery mask from the therapeutic gas pipeline 11 to supply oxygen to the patient.
  • the fire detector 13 detects the fire and gives an alarm.
  • the therapeutic breathing gas valve 10 is closed, the emergency breathing gas valve 8 is opened, and the high-pressure air supplied by the emergency breathing gas source passes through the emergency gas pipe.
  • Route 9 enters the gas delivery mask to supply breathing air for the patient.
  • fire extinguishing spray device 17 ejects fire extinguishing liquid, opens gas circulation device 18, makes the gas in life cabin 1 enter fire extinguishing chamber 14 and circulates, and in the circulation process, fire extinguishing spray device 17 sprays fire extinguishing liquid into Fire extinguishing and cooling are carried out in the life cabin 1, so as to continuously circulate, so as to realize the continuous increase of humidity and the continuous decrease of temperature in the life cabin 1, thereby effectively improving the survivability of the internal personnel in the event of a fire in the life cabin, and reducing the number of people in the life cabin. Risk of burns and suffocation.

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  • Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Emergency Medicine (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

本发明公开了一种生命舱应急呼吸空气切换系统，属于医用压力容器领域，包括生命舱、输气面罩、治疗呼吸气源、应急呼吸气源、呼吸气体切换装置、火灾探测器和灭火装置；治疗呼吸气源、应急呼吸气源的供给依靠呼吸气体切换装置进行转换，降低生命舱中的氧含量；灭火装置包括与生命舱内连通的灭火腔；利用灭火装置以抽吸循环方式对生命舱内进行灭火。本发明能够有效提升生命舱发生火灾时其内部人员的生存能力，减少生命舱内人员呼吸道灼伤和窒息的风险。

Description

一种生命舱应急呼吸空气切换系统 技术领域
本发明涉及医用压力容器领域，特别涉及一种生命舱应急呼吸空气切换系统。
 背景技术
生命舱采用空气为压力介质进行舱内加压，并利用供氧装置供给舱内人员的呼吸氧气，在此过程中难免存在氧气泄漏的情况，其中最大的安全隐患是火灾，因此生命舱都配有消防灭火装置，一旦发生火灾，水喷淋系统会向舱内喷水，达到灭火的目的。
 技术问题
发明人在日常实践中发现，生命舱实际发生火灾时，舱内人员由于呼吸面罩中在火灾中持续供氧，氧气含量高的位置燃烧力更强，舱内人员受到的伤害多为呼吸道灼伤和窒息，而非烧伤,生命舱中水喷淋系统在舱内发生火灾时发挥的作用有限。
有鉴于此，实有必要提供一种新的技术方案以解决上述问题。
 技术解决方案
为解决上述技术问题，本申请提供一种生命舱应急呼吸空气切换系统，能够提升生命舱发生火灾时其内部人员的生存能力，减少生命舱内人员呼吸道灼伤和窒息的风险。
一种生命舱应急呼吸空气切换系统，包括：生命舱、输气面罩、治疗呼吸气源、应急呼吸气源、呼吸气体切换装置、火灾探测器和灭火装置；所述输气面罩设置于所述生命舱内；所述治疗呼吸气源设置于所述生命舱外部，与所述输气面罩通过治疗气体管路连通，用于氧治疗时的氧气供给；所述应急呼吸气源设置于所述生命舱外部，与所述输气面罩通过应急气体管路连通，用于火灾发生时舱内人员呼吸气体供给；呼吸气体切换装置包括用于控制治疗气体管路通断的治疗呼吸气体阀和用于控制应急气体管路通断的应急呼吸气体阀；所述灭火装置包括灭火腔；所述灭火装置配置成当生命舱内发生火灾时，对生命舱进行抽吸，并在所述灭火腔内进行灭火的装置。
优选的，所述应急呼吸气源还包括通过应急气体管路依次连通的空气压缩设备、前级空气过滤器、空气储存容器、空气后处理设备和空气减压器。
优选的，所述灭火装置包括灭火腔、气体循环装置和灭火喷淋装置；所述气体循环装置与所述灭火腔连通；所述灭火喷淋装置包括若干具有灭火喷嘴的灭火喷淋管；所述灭火喷淋管设置于所述灭火腔内部。
优选的，所述灭火腔设置于所述生命舱外部；所述灭火腔进口端设置于所述生命舱的顶部，与所述生命舱内连通；所述灭火腔出口端设置于所述生命舱侧面，与所述生命舱内连通。
优选的，所述灭火喷嘴设置于所述灭火喷淋管的上部，与所述灭火喷淋管内部连通。
 有益效果
与现有技术相比，本申请至少具有以下有益效果：
本发明能够在火灾发生时，将生命舱内人员输气面罩内的氧气迅速切换为空气，降低生命舱内人员呼吸道附近的氧浓度，有效减少燃烧程度，同时依靠灭火装置对生命舱内气体的抽吸循环，提高生命舱内湿度，降低生命舱内温度，有效提升生命舱发生火灾时其内部人员的生存能力，减少生命舱内人员呼吸道灼伤和窒息的风险。
 附图说明
后文将参照附图以示例性而非限制性的方式详细描述本发明的一些具体实施例。附图中相同的附图标记标示了相同或类似的部件或部分。本领域技术人员应该理解，这些附图未必是按比例绘制的。附图中：
图1为本发明的整体连接示意图；
图2为本发明生命舱与灭火装置连接结构示意图；
图3为图2中A-A位置的结构示意图。
其中，上述附图包括以下附图标记：
1、生命舱，2、空气压缩设备，3、空气后冷却器，4、前级空气过滤器，5、空气储存容器，6、空气后处理设备，7、空气减压器，8、应急呼吸气体阀，9、应急气体管路，10、治疗呼吸气体阀，11、治疗气体管路，12、治疗呼吸气源，13、火灾探测器，14、灭火腔，15、隔离装置，16、吸附装置，17、灭火喷淋装置，18、气体循环装置，19、储液槽，20、隔离网；
171、供液总管，172、供液连接管，173、灭火喷淋管，174、灭火喷嘴。
 本发明的实施方式
为使本申请的目的、技术方案和优点更加清楚，下面将结合本申请具体实施例及相应的附图对本申请技术方案进行清楚、完整地描述。显然，所描述的实施例仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
如图1所示，一种生命舱应急呼吸空气切换系统，包括生命舱1、输气面罩、治疗呼吸气源12、应急呼吸气源、呼吸气体切换装置、火灾探测器13和灭火装置。火灾探测器13优选为烟感火灾探测器。呼吸气体切换装置包括用于控制治疗气体管路11通断的治疗呼吸气体阀10和用于控制应急气体管路9通断的应急呼吸气体阀8。所述输气面罩设置于生命舱1内，用于患者在使用时进行佩戴，方便呼吸治疗呼吸气体或应急呼吸气体。治疗呼吸气源12设置于生命舱1外部，与所述输气面罩通过治疗气体管路9连通，用于氧治疗时的氧气供给。应急呼吸气源设置于生命舱1外部，与所述输气面罩通过应急气体管路9连通，用于火灾发生时舱内人员呼吸气体供给。应急呼吸气源包括通过应急气体管路9依次连通的空气压缩设备2、前级空气过滤器4、空气储存容器5、空气后处理设备6和空气减压器7。
优选的，空气压缩设备2与前级空气过滤器4之间还设置空气后冷却器3，用于对空气压缩设备2产出的压缩空气进行冷却。
如图2所示，灭火装置与生命舱1内部连通，包括灭火腔15，配置成当生命舱1内发生火灾时，对生命舱内1进行抽吸，并在灭火腔15内进行灭火的装置。
具体的，灭火腔15设置于生命舱1外部。灭火腔15进口端设置于生命舱1的顶部，与生命舱1内连通，出口端设置,生命舱1侧面，也与生命舱1内连通。所述灭火装置还包括气体循环装置18和灭火喷淋装置17。气体循环装置18通过管道与灭火腔14连通，为生命舱1内的气体及火焰进入灭火腔15内提供动力。气体循环装置18优选为市售高压风机。灭火喷淋装置17能够对灭火腔15内喷淋灭火液体，对灭火腔15内进行灭火，同时灭火喷淋装置17喷出的液体能够喷入生命舱1内，对生命舱1中进行灭火。同时，在气体循环装置18的抽吸作用下，生命舱1中的气体能够循环进入灭火腔15内，依靠灭火喷淋装置17喷出液体的蒸发吸热作用，有效降低生命舱1的温度。隔离网20设置于生命舱1内灭火腔15出口端，能够对由灭火腔15喷出的液体进行打散，提高液体在生命舱1内的分散程度，进一步提高灭火及降温效果。另外，灭火腔15出口端生命舱1底面上还设置有储液槽19，能够在灭火腔15出口气体的作用下气化，进一步为生命舱1提供更加充足的液体蒸汽。
如图3所示，灭火喷淋装置17包括若干具有灭火喷嘴174的灭火喷淋管173以及供液连接管172和供液总管171。灭火喷淋管173通过供液连接管172与供液总管171连通。灭火喷淋管173设置于灭火腔14内部，灭火喷嘴174设置于灭火喷淋管173的上部，与灭火喷淋管173内部连通，灭火喷嘴174能够向上进行灭火液体喷淋，提高灭火液体喷洒的距离，能够进一步降低灭火腔14中的温度。
正常使用时，治疗呼吸气体阀10打开，治疗呼吸气源12供给的氧气由治疗气体管路11进入输气面罩为患者供氧。当生命舱1内发生火灾后，火灾探测器13检测到火灾发生，并进行报警，此时关闭治疗呼吸气体阀10，打开应急呼吸气体阀8，应急呼吸气源供给的高压空气通过应急气体管路9进入输气面罩为患者供给呼吸空气。同时，灭火喷淋装置17喷出灭火液体，打开气体循环装置18，使得生命舱1内的气体进入灭火腔14进行循环，并在循环过程中，将灭火喷淋装置17喷出灭火液体喷入生命舱1内进行灭火及降温，以此不断循环，实现生命舱1内湿度的不断增加和温度的不断降低，进而有效提升生命舱发生火灾时其内部人员的生存能力，减少生命舱内人员呼吸道灼伤和窒息的风险。
 工业实用性
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (5)

  1. 一种生命舱应急呼吸空气切换系统，其特征在于，包括生命舱、输气面罩、治疗呼吸气源、应急呼吸气源、呼吸气体切换装置、火灾探测器和灭火装置；所述输气面罩设置于所述生命舱内；所述治疗呼吸气源设置于所述生命舱外部，与所述输气面罩通过治疗气体管路连通，用于氧治疗时的氧气供给；所述应急呼吸气源设置于所述生命舱外部，与所述输气面罩通过应急气体管路连通，用于火灾发生时舱内人员呼吸气体供给；呼吸气体切换装置包括用于控制治疗气体管路通断的治疗呼吸气体阀和用于控制应急气体管路通断的应急呼吸气体阀；所述灭火装置包括灭火腔；所述灭火装置配置成当生命舱内发生火灾时，对生命舱进行抽吸，并在所述灭火腔内进行灭火的装置。
  2. 如权利要求1所述的一种生命舱应急呼吸空气切换系统，其特征在于，所述应急呼吸气源还包括通过应急气体管路依次连通的空气压缩设备、前级空气过滤器、空气储存容器、空气后处理设备和空气减压器。
  3. 如权利要求1所述的一种生命舱应急呼吸空气切换系统，其特征在于，所述灭火装置包括灭火腔、气体循环装置和灭火喷淋装置；所述气体循环装置与所述灭火腔连通；所述灭火喷淋装置包括若干具有灭火喷嘴的灭火喷淋管；所述灭火喷淋管设置于所述灭火腔内部。
  4. 如权利要求3所述的一种生命舱应急呼吸空气切换系统，其特征在于，所述灭火腔设置于所述生命舱外部；所述灭火腔进口端设置于所述生命舱的顶部，与所述生命舱内连通；所述灭火腔出口端设置于所述生命舱侧面，与所述生命舱内连通。
  5. 如权利要求3所述的一种生命舱应急呼吸空气切换系统，其特征在于，所述灭火喷嘴设置于所述灭火喷淋管的上部，与所述灭火喷淋管内部连通。
PCT/CN2022/087280 2022-02-28 2022-04-18 一种生命舱应急呼吸空气切换系统 WO2023159727A1 (zh)

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JPH05317450A (ja) * 1992-05-27 1993-12-03 Mitsubishi Heavy Ind Ltd 消火装置
CN2528428Y (zh) * 2001-11-28 2003-01-01 尚太新 具有自动应急消防呼吸功能的高压氧舱
CN101156819A (zh) * 2007-11-08 2008-04-09 中国人民解放军第三军医大学第三附属医院 具有应急系统的医用空气加压氧舱
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WO2019009570A1 (ko) * 2017-07-07 2019-01-10 김성우 터널 화재 진압 및 제연 시스템
CN210118927U (zh) * 2018-12-30 2020-02-28 陈衍坤 一种降温消防排烟机

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05317450A (ja) * 1992-05-27 1993-12-03 Mitsubishi Heavy Ind Ltd 消火装置
CN2528428Y (zh) * 2001-11-28 2003-01-01 尚太新 具有自动应急消防呼吸功能的高压氧舱
CN101156819A (zh) * 2007-11-08 2008-04-09 中国人民解放军第三军医大学第三附属医院 具有应急系统的医用空气加压氧舱
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CN210118927U (zh) * 2018-12-30 2020-02-28 陈衍坤 一种降温消防排烟机

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