阅读说明：本技术 一种正压弹簧和风机双增压长效正压式化学氧作业呼吸器 (Positive pressure spring and fan double-pressurization long-acting positive pressure chemical oxygen operation respirator ) 是由 任宪仓 束克庆 刘好 束京龙 谷凤伟 张建彬 于 2020-05-09 设计创作，主要内容包括：本发明公开了一种正压弹簧和风机双增压长效正压式化学氧作业呼吸器,包括全隔绝面罩,所述全隔绝面罩中间开设有通孔,通孔内插接安装有呼气管和吸气管；所述呼气管的另一端与进气气囊连接,所述进气气囊与生氧罐相连,所述进气气囊与生氧罐的连接处设有单向阀；本申请通过氧烛前期快速生氧、生氧药剂后期持续生氧以及正压弹簧和风机的协调作用把出气气囊中的气体持续不断地送至全隔绝面罩内,有效解决了化学氧作业呼吸器面罩内的负压问题,确保佩戴人员在作业时间内供气充足,即面罩内始终维持正压,从而有效解决救援人员前期吸氧不足现象,也可防止外界环境中的有毒有害气体和粉尘等物质进入面罩,极大保障了救援人员的生命安全。(The invention discloses a positive pressure spring and fan double-boosting long-acting positive pressure type chemical oxygen operation respirator, which comprises a full-isolation mask, wherein a through hole is formed in the middle of the full-isolation mask, and an expiration pipe and an air suction pipe are inserted and installed in the through hole; the other end of the expiration pipe is connected with an air inlet air bag, the air inlet air bag is connected with an oxygen generating tank, and a one-way valve is arranged at the joint of the air inlet air bag and the oxygen generating tank; this application is through oxygen candle fast oxygen generation earlier stage, the coordination that oxygen medicament later stage lasts oxygen generation and malleation spring and fan is continuously delivered to totally isolated face guard in the gas in the gasbag of giving vent to anger, the negative pressure problem in the chemical oxygen operation respirator face guard has effectively been solved, it is sufficient to ensure to wear personnel's air feed in the activity duration, maintain the malleation all the time in the face guard promptly, thereby effectively solve the not enough phenomenon of oxygen uptake earlier stage of rescue personnel, also can prevent that substances such as poisonous and harmful gas and dust among the external environment from getting into the face guard, rescue personnel's life safety has greatly been ensured.)

1. A positive pressure spring and fan double-pressurization long-acting positive pressure type chemical oxygen operation respirator is characterized by comprising a full-isolation mask (1), wherein a through hole is formed in the middle of the full-isolation mask (1), and an expiration pipe (2) and an inspiration pipe (12) are inserted and installed in the through hole; the other end of the expiration pipe (2) is connected with an air inlet air bag (3), the air inlet air bag (3) is connected with an oxygen generating tank (5), and a one-way valve (4) is arranged at the connection part of the air inlet air bag (3) and the oxygen generating tank (5); the bottom of the oxygen generating tank (5) is connected with a primary cooler (7) through a pipeline; the air-conditioning system is characterized in that the primary cooler (7) is fixedly installed at the bottom of the box body, the primary cooler (7) is connected with the secondary cooler (8), the secondary cooler (8) is connected with the air outlet air bag (9), the air outlet air bag (9) is connected with a fan (11) through a pipeline, a positive pressure spring (10) is arranged on the air outlet air bag, and the fan (11) is connected with an air suction pipe (12).

2. The long-acting positive pressure type chemical oxygen working respirator with the positive pressure spring and the fan which are double-boosted according to claim 1, characterized in that a control box (13) for detecting the consumption of the inhaled gas and the change of the inhalation temperature is further arranged inside the box body, and the control box (13) is connected with an alarm (14), a gas flow meter and a temperature sensor; the gas flowmeter is arranged at the joint of the expiratory tube (2) and the air inlet air bag (3); the temperature sensor is arranged at the air suction pipe (12); the alarm (14) can alarm the surplus of the working time according to the consumption of the sucked gas.

3. The long-acting positive pressure chemical oxygen respirator of claim 1, wherein the primary cooler (7) is one of self-cooling type; the secondary cooler (8) is one of self-cooling and passive refrigerant composite type.

4. The long-acting positive pressure type chemical oxygen respirator of claim 1, wherein the oxygen generating tank (5) is provided with an oxygen candle (6).

5. The long-acting positive pressure type chemical oxygen respirator with the positive pressure spring and the fan which are doubly pressurized as claimed in claim 1, wherein the full-isolation face mask (1) is attached to the face of a person in a double-layer mode, and the edge of the full-isolation face mask (1) is made of medical silica gel and used for transmitting gas exhaled by the person to an exhalation tube.

6. The long-acting positive pressure chemical oxygen respirator of claim 2, wherein the gas flow meter and the temperature sensor are connected to an external power source through wires.

7. The long-acting positive pressure type chemical oxygen working respirator of claim 1, wherein a one-way valve is arranged at the connection of the air inlet air bag and the oxygen generating tank.

Technical Field

The invention relates to the technical field of safety rescue, in particular to a positive pressure spring and fan double-pressurization long-acting positive pressure type chemical oxygen operation respirator.

Background

The positive pressure spring and fan double-pressurization long-acting positive pressure type chemical oxygen operation respirator is rescue equipment which utilizes chemical oxygen generating agents to absorb carbon dioxide and moisture exhaled by a wearer to generate oxygen to supply the wearer to breathe, does not use a traditional high-pressure oxygen cylinder to supply oxygen, avoids hidden dangers brought by the high-pressure oxygen cylinder, and can supply first aid rescue personnel to work and use in dangerous environments such as fire scene, toxic and harmful gas leakage and oxygen deficiency. However, in the breathing process of the chemical oxygen respirator in the market at present, particularly in the early stage of starting, negative pressure can occur in the full-isolation mask, so that rescue workers can not inhale oxygen in the early stage, and substances such as toxic and harmful gas and dust in the external environment can also enter the mask, thereby bringing hidden danger to the life safety of the rescue workers.

Disclosure of Invention

The invention aims to provide a positive pressure spring and fan double-pressurization long-acting positive pressure type chemical oxygen operation respirator, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a positive pressure spring and fan double-pressurization long-acting positive pressure type chemical oxygen operation respirator comprises a full-isolation mask, wherein a through hole is formed in the middle of the full-isolation mask, and an expiration pipe and an inspiration pipe are inserted and installed in the through hole; the other end of the expiration pipe is connected with an air inlet air bag, the air inlet air bag is connected with an oxygen generating tank, and a one-way valve is arranged at the joint of the air inlet air bag and the oxygen generating tank; the bottom of the oxygen generating tank is connected with the primary cooler through a pipeline; the primary cooler is fixedly installed at the bottom of the box body and connected with the secondary cooler, the secondary cooler is connected with the air outlet bag, the air outlet bag is connected with the fan through a pipeline, the air outlet bag is provided with a positive pressure spring, and the fan is connected with the air suction pipe.

As a further scheme of the invention: the box body is also internally provided with a control box for detecting the consumption of the sucked gas and the change of the sucked gas temperature, and the control box is connected with an alarm, a gas flowmeter and a temperature sensor; the gas flowmeter is arranged at the joint of the expiratory tube and the air inlet air bag; the temperature sensor is arranged at the air suction pipe; the alarm can give an alarm for the allowance of the working time according to the consumption of the sucked gas.

As a still further scheme of the invention: the primary cooler is one of self-cooling coolers; the secondary cooler is one of self-cooling and passive refrigerant composite type.

As a still further scheme of the invention: an oxygen candle is arranged in the oxygen generating tank.

As a still further scheme of the invention: the full-isolation mask is attached to the face of a person in a double-layer mode, and the edge of the full-isolation mask is made of medical silica gel and used for transmitting gas exhaled by the person to the exhalation tube.

As a still further scheme of the invention: and the gas flowmeter and the temperature sensor are connected with an external power supply through leads.

As a still further scheme of the invention: a single chip microcomputer is arranged in the control box, and the type of the single chip microcomputer is nRF 52832-QFAA; the gas flowmeter is one of vortex street flowmeters with signal remote transmission functions; the temperature sensor is an MF 52D 104F 3950(MF52 bead temperature measuring type NTC thermistor).

As a still further scheme of the invention: and the gas flowmeter and the temperature sensor are connected with an external power supply through leads.

As a still further scheme of the invention: and power supplies are arranged in the single chip microcomputer and the alarm.

As a still further scheme of the invention: the full-isolation mask is attached to the face of a person in a double-layer mode and used for transmitting gas exhaled by the person to the exhalation tube.

As a still further scheme of the invention: the gas in the expiration pipe is transmitted to the air inlet air bag.

As a still further scheme of the invention: the gas in the gas inlet air bag is transmitted to the oxygen generating tank to react with the oxygen generating medicament to generate oxygen.

As a still further scheme of the invention: and the generated mixed gas of oxygen and the like and the oxygen released by the oxygen candle are cooled by a primary cooler.

As a still further scheme of the invention: and the gas cooled by the primary cooler is cooled by the secondary cooler again.

Compared with the prior art, the invention has the beneficial effects that: this application is through oxygen candle fast oxygen generation earlier stage, the coordination that oxygen medicament later stage lasts oxygen generation and malleation spring and fan is continuously delivered to totally isolated face guard in the gas in the gasbag of giving vent to anger, the negative pressure problem in the chemical oxygen operation respirator face guard has effectively been solved, it is sufficient to ensure to wear personnel's air feed in the activity duration, maintain the malleation all the time in the face guard promptly, thereby effectively solve the not enough phenomenon of oxygen uptake earlier stage of rescue personnel, also can prevent that substances such as poisonous and harmful gas and dust among the external environment from getting into the face guard, rescue personnel's life safety has greatly been ensured.

Drawings

Fig. 1 is a schematic structural diagram of a positive pressure spring and fan double-pressurization long-acting positive pressure chemical oxygen operation respirator.

Fig. 2 is a schematic sectional structural view of a positive pressure spring and fan double-pressurization long-acting positive pressure chemical oxygen operation respirator.

In the figure: 1. a full isolation mask; 2. an exhalation tube; 3. an air intake bladder; 4. a one-way valve; 5. an oxygen generating tank; 6. an oxygen candle; 7. a primary cooler; 8. a secondary cooler; 9. an air outlet air bag; 10. a positive pressure spring; 11. a fan; 12. an air intake duct; 13 a control box; 14. an alarm; 15. an oxygen generating agent.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, in the embodiment of the present invention, a positive pressure spring and fan dual-pressurization long-acting positive pressure type chemical oxygen respirator comprises a full-isolation mask 1, wherein a through hole is formed in the middle of the full-isolation mask 1, and an exhalation tube 2 and an inhalation tube 12 are inserted and installed in the through hole; the other end of the expiration pipe 2 is connected with an air inlet air bag 3, the air inlet air bag 3 is connected with an oxygen generating tank 5, and a one-way valve 4 is arranged at the connection part of the air inlet air bag 3 and the oxygen generating tank 5; the bottom of the oxygen generating tank 5 is connected with a primary cooler 7 through a pipeline; the primary cooler 7 is fixedly installed at the bottom of the box body, the primary cooler 7 is connected with the secondary cooler 8, the secondary cooler 8 is connected with the air outlet air bag 9, the air outlet air bag 9 is connected with the fan 11 through a pipeline, a positive pressure spring 10 is arranged at the air inlet of the air outlet air bag, and the fan 11 is connected with the air suction pipe 12.

The inside of the box body is also provided with a control box 13 for detecting the consumption of the sucked gas and the change of the sucked gas temperature, and the control box 13 is connected with an alarm 14, a gas flowmeter and a temperature sensor; the gas flow meter is arranged at the joint of the expiratory tube 2 and the air inlet air bag 3; the temperature sensor is arranged at the air suction pipe 12; the alarm 14 may alarm for the remaining amount of operating time according to the consumption amount of the inhaled gas.

The primary cooler 7 is one of self-cooling coolers; the secondary cooler 8 is a self-cooling and passive refrigerant composite type.

An oxygen candle 6 is arranged in the oxygen generating tank 5.

The full-isolation face mask is characterized in that the full-isolation face mask 1 is attached to the face of a person in a double-layer mode, and the edge of the full-isolation face mask 1 is made of medical silica gel and used for transmitting gas exhaled by the person to the exhalation tube.

And power supplies are arranged in the single chip microcomputer and the alarm.

And the gas flowmeter and the temperature sensor are connected with an external power supply through leads.

A single chip microcomputer is arranged in the control box, and the type of the single chip microcomputer is nRF 52832-QFAA; the gas flowmeter is one of vortex street flowmeters with signal remote transmission functions; the temperature sensor is an MF 52D 104F 3950(MF52 bead temperature measuring type NTC thermistor).

And the gas flowmeter and the temperature sensor are connected with an external power supply through leads.

The full-isolation mask is attached to the face of a person in a double-layer mode and used for transmitting gas exhaled by the person to the exhalation tube.

The gas in the expiration pipe is transmitted to the air inlet air bag.

The gas in the gas inlet air bag is transmitted to the oxygen generating tank to react with the oxygen generating medicament to generate oxygen.

And the generated mixed gas of oxygen and the like and the oxygen released by the oxygen candle are cooled by a primary cooler.

And the gas cooled by the primary cooler is cooled by the secondary cooler again.

And the gas cooled by the secondary cooler enters the air outlet air bag.

The air in the air outlet air bag continuously sends the required breathing gas to the mask for breathing through the air suction pipe under the action of the positive pressure spring and the fan.

The control box can detect the consumption of the sucked gas and the suction temperature.

The alarm can alarm the surplus of working time according to the consumption of the sucked gas.

The connection part of the air inlet air bag and the oxygen generating tank is provided with a one-way valve.

The working principle of the invention is as follows:

expired gas, through isolated face guard 1 and exhaling pipe 2 entirely, get into gasbag 3 that admits air, then reentrant oxygen generating tank 5, oxygen generating agent 15 in the oxygen generating tank 5 reacts with carbon dioxide and moisture in the expired gas and generates oxygen, oxygen candle 6 in the oxygen generating tank 5 also can open simultaneously and emit oxygen, above-mentioned gas is through the cooling of one-level cooler 7 and second grade cooler 8, get into gasbag 9 of giving vent to anger, then through the effect of malleation spring 10 and fan 11, continuously get into isolated face guard 1 entirely through breathing pipe 12. The control box 13 can detect the consumption of the sucked gas and the suction temperature, and the alarm 14 can give an alarm for the surplus of the working time according to the consumption of the sucked gas.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.