CN112402751A - Heat bridge type liquid oxygen respirator - Google Patents
Heat bridge type liquid oxygen respirator Download PDFInfo
- Publication number
- CN112402751A CN112402751A CN202010922124.0A CN202010922124A CN112402751A CN 112402751 A CN112402751 A CN 112402751A CN 202010922124 A CN202010922124 A CN 202010922124A CN 112402751 A CN112402751 A CN 112402751A
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- Prior art keywords
- oxygen
- liquid oxygen
- storage tank
- vacuum storage
- liquid
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M2016/0027—Accessories therefor, e.g. sensors, vibrators, negative pressure pressure meter
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- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention relates to the field of respirators, and discloses a thermal bridge type liquid oxygen respirator which comprises a liquid oxygen vacuum storage tank and a breather valve, wherein the liquid oxygen vacuum storage tank is connected with an oxygen charging pipe and an oxygen discharging pipe, the oxygen charging pipe is connected with a liquid oxygen charging valve, the oxygen discharging pipe is connected with an oxygen storage cylinder, the oxygen storage cylinder is connected with the breather valve through an air outlet switch, a pressure release valve is arranged on the oxygen storage cylinder, the upper part of the liquid oxygen vacuum storage tank is provided with the air discharging valve, the upper part of the liquid oxygen vacuum storage tank is provided with a thermal bridge device, and the thermal bridge device presses the outer wall of the liquid oxygen vacuum storage tank to enable the liquid oxygen vacuum storage tank to. The utility model discloses hot bridge type liquid oxygen respirator utilizes the evaporation of liquid oxygen to convert gaseous state oxygen, simple structure, and the oxygen suppliment speed is high.
Description
Technical Field
The invention relates to the field of respirators, in particular to a thermal bridge type liquid oxygen respirator.
Background
The oxygen content of the air is correspondingly reduced along with the increase of the altitude on the plateau. For example, the average altitude of the Qinghai-Tibet plateau is more than 4000 meters, the air is thin, the air pressure is low, and the normal oxygen supply requirement of a human body cannot be met, so that the body is multifunctional obstacle or even the life is threatened due to oxygen deficiency. Especially when the device is engaged in field work, the device consumes more oxygen with the increase of physical strength, further aggravates the altitude anoxia reaction, obviously reduces physical strength and makes breathing difficult. Altitude diseases and the like cause harm to human bodies in different degrees, and even cause death when the human bodies are seriously lack of oxygen. The main oxygen supply device in the market at present adopts a gaseous oxygen bag to supply oxygen or air concentration to supply oxygen. The two modes have the defects of large occupied space, small oxygen capacity, additional power supply, inconvenience for carrying in the field for a long time and complex structure. In addition, the existing oxygen supply device can only output oxygen outwards by the pressure of oxygen, and the oxygen supply rate is difficult to further increase.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a thermal bridge type liquid oxygen respirator which utilizes the evaporation of liquid oxygen to convert the liquid oxygen into gaseous oxygen, has a simple structure and high oxygen supply rate.
In order to achieve the purpose, the thermal bridge type liquid oxygen respirator comprises a liquid oxygen vacuum storage tank and a breather valve, wherein the liquid oxygen vacuum storage tank is connected with an oxygen charging pipe and an oxygen discharging pipe, the oxygen charging pipe is connected with a liquid oxygen charging valve, the oxygen discharging pipe is connected with an oxygen gas storage bottle, the oxygen gas storage bottle is connected with the breather valve through an air outlet switch, a pressure release valve is arranged on the oxygen gas storage bottle, the upper part of the liquid oxygen vacuum storage tank is provided with an emptying valve, a thermal bridge device is installed on the outer wall of the liquid oxygen vacuum storage tank, the thermal bridge device presses down the outer wall of the liquid oxygen vacuum storage tank to enable the outer wall of the liquid oxygen vacuum storage tank to be in contact with the inner wall, the thermal bridge device comprises a locking bolt and a locking nut matched with the locking bolt, the locking nut is fixedly installed in a nut box, an opening is formed in the lower part of the nut box and is fixedly installed on the outer, a hole is formed above the nut box, the locking bolt penetrates through the hole and is screwed in the locking nut, and one part of the oxygen discharge pipe is a spiral liquid oxygen vaporization pipeline.
Preferably, a bushing is padded between the locking bolt and the hole.
Preferably, a nut is arranged above the locking bolt, so that the locking bolt can be conveniently screwed.
Preferably, one end of the oxygen charging pipe positioned in the liquid oxygen vacuum storage tank is positioned at the upper part of the liquid oxygen vacuum storage tank.
Preferably, one end of the oxygen exhaust pipe located in the liquid oxygen vacuum storage tank is located at the lower part of the liquid oxygen vacuum storage tank.
Compared with the prior art, the invention has the following advantages:
1. the liquid oxygen is evaporated and converted into gaseous oxygen, so that the storage capacity is high, the weight is light, the structure is simple, and the carrying is convenient;
2. the outer wall and the inner wall of the liquid oxygen vacuum storage tank are contacted through the thermal bridge device, so that the temperature in the liquid oxygen vacuum storage tank is increased, and the oxygen supply rate is increased;
3. the oxygen flow is convenient to use and adjust, and an external power supply and an external air source are not needed;
4. can repeatedly fill liquid oxygen many times, and can store gaseous oxygen, it is more economical.
Drawings
FIG. 1 is a schematic view of the structure of the thermal bridge type liquid oxygen respirator of the present invention.
The components in the figures are numbered as follows:
the device comprises a liquid oxygen vacuum storage tank 1, an oxygen charging pipe 2, an oxygen discharging pipe 3, a liquid oxygen charging valve 4, an oxygen gas storage bottle 5, an air outlet switch 6, a pressure release valve 7, an exhaust valve 8, a thermal bridge device 9, an outer wall 10, an inner wall 11, a locking bolt 12, a locking nut 13, a nut box 14, a hole 15, a nut 16, a liquid oxygen vaporization pipeline 17 and a lining 18.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
As shown in figure 1, the thermal bridge type liquid oxygen respirator comprises a liquid oxygen vacuum storage tank 1 and a breather valve, wherein the liquid oxygen vacuum storage tank 1 is connected with an oxygen charging pipe 2 and an oxygen discharging pipe 3, the oxygen charging pipe 2 is connected with a liquid oxygen charging valve 4, the oxygen discharging pipe 3 is connected with an oxygen gas storage bottle 5, the oxygen gas storage bottle 5 is connected with the breather valve through an air outlet switch 6, a pressure release valve 7 is arranged on the oxygen gas storage bottle 5, an exhaust valve 8 is arranged at the upper part of the liquid oxygen vacuum storage tank 1, a thermal bridge device 9 is arranged on the outer wall 10 of the liquid oxygen vacuum storage tank 1, and the thermal bridge device 9 presses the outer wall 10 of the liquid oxygen vacuum storage tank 1 to be in contact with the inner wall 11.
Wherein, the thermal bridge device 9 includes lock bolt 12 and with lock bolt 12 complex lock nut 13, lock nut 13 fixed mounting is in nut box 14, the opening in nut box 14 below, fixed mounting is on the outer wall 10 of liquid oxygen vacuum storage tank 1, open porose 15 in nut box 14 top, lock bolt 12 passes hole 15 and screws in lock nut 13, the packing has bush 18 between lock bolt 12 and the hole 15, the top of lock bolt 12 is equipped with nut 16.
In this embodiment, a part of the oxygen discharge pipe 3 is a spiral liquid oxygen vaporization pipeline 17, one end of the oxygen charging pipe 2 located in the liquid oxygen vacuum storage tank 1 is located at the upper part of the liquid oxygen vacuum storage tank 1, and one end of the oxygen discharge pipe 3 located in the liquid oxygen vacuum storage tank 1 is located at the lower part of the liquid oxygen vacuum storage tank 1.
When the embodiment is used:
when liquid oxygen needs to be filled, the emptying valve 8 is opened, residual gaseous oxygen on the upper part of the liquid oxygen vacuum storage tank 1 can be discharged from the emptying valve 8, at the moment, the air outlet switch 6 is in a closed state, and the liquid oxygen can be filled through the liquid oxygen filling valve 4;
when the device filled with liquid oxygen is normally moved or stored and transported, the air outlet switch 6 is in a closed state, the liquid oxygen can be continuously evaporated in a small amount, at the moment, the opening size of the emptying valve 8 is controlled, the pressure in the liquid oxygen vacuum storage tank 1 is controlled, and when the pressure in the oxygen gas storage bottle 5 is too large, the pressure relief valve 7 relieves the pressure to ensure safety;
when the human body needs oxygen, when the device normally supplies oxygen, close blowoff valve 8, open air outlet switch 6, liquid oxygen lasts the evaporation this moment, makes the pressure in liquid oxygen vacuum storage tank 1 continuously increase, oppresses liquid oxygen and gets into liquid oxygen vaporization pipeline 17 gasification through oxygen discharge pipe 3, further gets into oxygen gas bomb 5, then gets into the breather valve through air outlet switch 6, and at this moment, when 5 internal pressure of oxygen gas bomb was too big, 7 pressure releases of relief valve, guarantees safety.
In order to improve the oxygen supply rate, the locking bolt 12 is adjusted to press the outer wall 10 to contact with the inner wall 11, so that the temperature in the liquid oxygen vacuum storage tank 1 is improved, the liquid oxygen gasification speed in the liquid oxygen vacuum storage tank 1 is accelerated, the pressure in the liquid oxygen vacuum storage tank 1 is continuously increased, more liquid oxygen enters the liquid oxygen vaporization pipeline 17 through the oxygen discharge pipe 3 to be gasified, and the oxygen supply rate is improved.
In addition, the installation position of the thermal bridge device 9 in the present invention is not limited to the top of the liquid oxygen vacuum storage tank 1, and can be installed at the side or other peripheral positions of the liquid oxygen vacuum storage tank 1.
The evaporative liquid oxygen respirator of the invention converts liquid oxygen into gaseous oxygen by evaporation, has high reserve, light weight and simple structure, and is convenient to carry; the outer wall 10 of the liquid oxygen vacuum storage tank 1 is contacted with the inner wall 11 through the thermal bridge device 9, so that the temperature in the liquid oxygen vacuum storage tank 1 is increased, the oxygen supply rate is increased, and the mode has quick effect; in addition, the device is convenient to use and adjust the oxygen flow, and does not need an external power supply or an air source; can repeatedly fill liquid oxygen many times, and can store gaseous oxygen, it is more economical.
Claims (5)
1. The utility model provides a thermal bridge formula liquid oxygen respirator, includes liquid oxygen vacuum storage tank (1) and breather valve, liquid oxygen vacuum storage tank (1) even has oxygenation pipe (2) and oxygen discharge pipe (3), oxygenation pipe (2) even have liquid oxygen filling valve (4), its characterized in that: the oxygen discharging pipe (3) is connected with an oxygen gas storage bottle (5), the oxygen gas storage bottle (5) is connected with the breather valve through an air outlet switch (6), a pressure release valve (7) is arranged on the oxygen gas storage bottle (5), an exhaust valve (8) is arranged on the upper portion of the liquid oxygen vacuum storage tank (1), a heat bridge device (9) is installed on the outer wall (10) of the liquid oxygen vacuum storage tank (1), the heat bridge device (9) presses down the outer wall (10) of the liquid oxygen vacuum storage tank (1) to enable the outer wall to be in contact with the inner wall (11), the heat bridge device (9) comprises a locking bolt (12) and a locking nut (13) matched with the locking bolt (12), the locking nut (13) is fixedly installed in a nut box (14), an opening is formed in the lower portion of the nut box (14) and is fixedly installed on the outer wall (10) of the liquid oxygen vacuum storage tank (1), a hole (15) is formed in the upper portion of the nut box (14), the locking bolt (12) penetrates through the hole (15) and is screwed into the locking nut (13), and one portion of the oxygen discharge pipe (3) is a spiral liquid oxygen vaporization pipeline (17).
2. The thermal bridge liquid oxygen respirator of claim 1, wherein: and a bushing (18) is padded between the locking bolt (12) and the hole (15).
3. The thermal bridge liquid oxygen respirator of claim 1, wherein: and a nut (16) is arranged above the locking bolt (12).
4. The evaporative liquid oxygen respirator of claim 1, wherein: one end of the oxygen filling pipe (2) in the liquid oxygen vacuum storage tank (1) is positioned at the upper part of the liquid oxygen vacuum storage tank (1).
5. The evaporative liquid oxygen respirator of claim 1, wherein: and one end of the oxygen discharge pipe (3) in the liquid oxygen vacuum storage tank (1) is positioned at the lower part of the liquid oxygen vacuum storage tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010922124.0A CN112402751A (en) | 2020-09-04 | 2020-09-04 | Heat bridge type liquid oxygen respirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010922124.0A CN112402751A (en) | 2020-09-04 | 2020-09-04 | Heat bridge type liquid oxygen respirator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112402751A true CN112402751A (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010922124.0A Pending CN112402751A (en) | 2020-09-04 | 2020-09-04 | Heat bridge type liquid oxygen respirator |
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|---|---|
| CN (1) | CN112402751A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2232283Y (en) * | 1995-06-20 | 1996-08-07 | 上海交大新地实业公司 | Portable liquid oxygen oxygen supply apparatus |
| US20040250551A1 (en) * | 2001-08-22 | 2004-12-16 | Bayerische Motoren Werke Aktiengesellschaft | Cryogenic tank for storing cryogenic fuel in a motor vehicle and method for using same |
| US20070051115A1 (en) * | 2004-07-17 | 2007-03-08 | Bruker Biospin Ag | Cryostat configuration with cryocooler and gas gap heat transfer device |
| CN203874238U (en) * | 2014-05-28 | 2014-10-15 | 宁波奉天海供氧净化成套设备有限公司 | Mobile oxygen supply terminal applied to medical central oxygen supply system |
| CN207370990U (en) * | 2017-09-29 | 2018-05-18 | 西南石油大学 | A kind of novel portable liquid oxygen respirator |
| CN209361696U (en) * | 2018-05-25 | 2019-09-10 | 中国人民解放军陆军军医大学 | The single liquid oxygen apparatus of oxygen supply in high altitude localities |
-
2020
- 2020-09-04 CN CN202010922124.0A patent/CN112402751A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2232283Y (en) * | 1995-06-20 | 1996-08-07 | 上海交大新地实业公司 | Portable liquid oxygen oxygen supply apparatus |
| US20040250551A1 (en) * | 2001-08-22 | 2004-12-16 | Bayerische Motoren Werke Aktiengesellschaft | Cryogenic tank for storing cryogenic fuel in a motor vehicle and method for using same |
| US20070051115A1 (en) * | 2004-07-17 | 2007-03-08 | Bruker Biospin Ag | Cryostat configuration with cryocooler and gas gap heat transfer device |
| CN203874238U (en) * | 2014-05-28 | 2014-10-15 | 宁波奉天海供氧净化成套设备有限公司 | Mobile oxygen supply terminal applied to medical central oxygen supply system |
| CN207370990U (en) * | 2017-09-29 | 2018-05-18 | 西南石油大学 | A kind of novel portable liquid oxygen respirator |
| CN209361696U (en) * | 2018-05-25 | 2019-09-10 | 中国人民解放军陆军军医大学 | The single liquid oxygen apparatus of oxygen supply in high altitude localities |
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Application publication date: 20210226 |