CN203815781U - Oxygen supply control device of hyperbaric oxygen chamber - Google Patents
Oxygen supply control device of hyperbaric oxygen chamber Download PDFInfo
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- CN203815781U CN203815781U CN201420193679.6U CN201420193679U CN203815781U CN 203815781 U CN203815781 U CN 203815781U CN 201420193679 U CN201420193679 U CN 201420193679U CN 203815781 U CN203815781 U CN 203815781U
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- conveying pipe
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Abstract
The utility model discloses an oxygen supply control device of a hyperbaric oxygen chamber. A Dewar flask used for storing liquid oxygen is arranged outside the hyperbaric oxygen chamber, a voltage stabilizing regulating valve is mounted at an output end of the Dewar flask, an oxygen conveying pipe is connected with the voltage stabilizing regulating valve, a downstream end of the voltage stabilizing regulating valve is connected with an upstream end of a liquid oxygen evaporator through the oxygen conveying pipe, a downstream end of the liquid oxygen evaporator is connected with an upstream end of a pressure regulator through the oxygen conveying pipe, a pressure gauge is mounted at an outlet end of the liquid oxygen evaporator, a downstream end of the pressure regulator is connected with an upstream end of an oxygen humidifier through the oxygen conveying pipe, a downstream end of the oxygen humidifier is connected with an oxygen inlet control valve through the oxygen conveying pipe, and a downstream end of the oxygen inlet control valve is connected with various breathers in the hyperbaric oxygen chamber through the oxygen conveying pipe. The oxygen supply control device has the beneficial effects of being simple in structure, small in occupied area, low in cost, safe and convenient in use, and the like. The problem of configuring the hyperbaric oxygen chamber in small and medium-sized hospitals is solved.
Description
Technical field
This utility model relates to a kind of armarium, particularly a kind of hyperbaric oxygen chamber oxygen supply control device.
Background technology
Hyperbaric oxygen chamber is the special equipment for hyperbaric oxygentherapy, with air be medium, indoor environment pressure is raise,, patient breathes the oxygen of high concentration by face shield in the cabin in, treats patient's disease.Owing to providing high concentration oxygen, in cabin, be airtight oxygen enriched environment, therefore hyperbaric oxygen chamber is excessive risk equipment.If adopt the central oxygen supply system of medical institutions to carry out oxygen supply, can be because hyperbaric oxygen chamber be very large at moment consumption oxygen, central oxygen supply system can not meet the needs in large and medium-sized oxygen cabin conventionally.Omnibearing for oxygen demand in order to meet hyperbaric oxygen chamber, current hyperbaric oxygen chamber employing is set up the mode such as liquid-oxygen plant or oxygenerator or oxygen cylinder and is carried out oxygen supply, but adopts these mode oxygen supplys to have following problem:
1, adopt liquid-oxygen plant, liquid-oxygen plant is exactly large-scale liquid oxygen groove tank, once can pour into the liquid oxygen of several cubes, if close on and also must build corresponding explosion-resistant enclosure according to the foundation of relevant regulations liquid-oxygen plant and other building, the size of liquid oxygen groove tank and the building General Requirements of its periphery are not less than the distance of 5 meters.For the consideration of safety, general curative unit is all based upon hyperbaric oxygen chamber device cluster in independent lesion, and the foundation of liquid-oxygen plant needs larger surface area to set up hyperbaric oxygen equipment group, and there is no corresponding land area is impossible build the special liquid-oxygen plant of hyperbaric oxygen chamber.And existing medical institutions are because construction fund is limited, do not have enough land areas and fund to set up the special liquid-oxygen plant of hyperbaric oxygen chamber.
2, adopt oxygenerator, oxygenerator confession oxygen demand large oxygen-making machine unit, this unit need to drop into a large amount of manpower and materials, and expense is high, and the highly purified oxygen of hyperbaric oxygentherapy needs, and the oxygen generation concentration of oxygenerator is generally difficult to maintain.
3, adopt oxygen cylinder oxygen supply, the oxygen pressure of general oxygen cylinder perfusion is 130kg, and the pressure of oxygen cylinder is high, uses very dangerous.
In sum, existing hyperbaric oxygen chamber apparatus of oxygen supply floor space is large, expends a large amount of manpower and materials, cost is high, safety coefficient is low, can not meet the oxygen supply demand of each large, medium and small type hospital hyperbaric oxygen chamber, and funds and safety problem that especially medium and small hospital arranges hyperbaric oxygen chamber are difficult to solve.
Summary of the invention
The purpose of this utility model is to provide a kind of stable, safe hyperbaric oxygen chamber oxygen supply control device, and its floor space is little, cost is low, and the hyperbaric oxygen chamber that can solve medium and small hospital arranges problem.
The purpose of this utility model can realize in the following ways:
A kind of hyperbaric oxygen chamber oxygen supply control device, comprise hyperbaric oxygen chamber, in hyperbaric oxygen chamber, be provided with some breathing equipments for patient's oxygen uptake, each breathing equipment is connected with the downstream of oxygen conveying pipe, it is characterized in that: the upstream extremity of described oxygen conveying pipe is connected at the Dewar flask of the storage liquid oxygen outside hyperbaric oxygen chamber, the outfan of described Dewar flask is installed controlling valve of voltage regulation, oxygen conveying pipe is connected with controlling valve of voltage regulation, the downstream of described controlling valve of voltage regulation is by the upstream extremity of oxygen conveying pipe connecting fluid oxygen evaporator, the downstream of described liquid oxygen evaporator is by the upstream extremity of oxygen conveying pipe Bonding pressure actuator, the port of export setting pressure table of described liquid oxygen evaporator, the downstream of described pressure regulator connects the upstream extremity of oxygen humidifier by oxygen conveying pipe, the downstream of described oxygen humidifier connects oxygen air intake control valve by oxygen conveying pipe, the downstream of described oxygen air intake control valve is connected with each breathing equipment of being located in hyperbaric oxygen chamber by oxygen conveying pipe.
Controlling valve of voltage regulation in described Dewar flask outlet and the oxygen conveying pipe between liquid oxygen evaporator are provided with the first stop valve, oxygen conveying pipe between Pressure gauge and the pressure regulator of the described liquid oxygen evaporator port of export is provided with the second stop valve, is provided with the 3rd stop valve between described pressure regulator and the oxygen conveying pipe of oxygen humidifier.
The Dewar flask of described storage liquid oxygen adopts the Dewar flask of 2.4Mp.
Oxygen conveying pipe between described controlling valve of voltage regulation and liquid oxygen evaporator adopts flexible pipe.
the beneficial effects of the utility model: this utility model adopts the Dewar flask oxygen supply of storage liquid oxygen, liquid oxygen in Dewar flask is transported to by oxygen conveying pipe in the liquid oxygen evaporator in downstream, liquid oxygen is gasificated into gaseous oxygen in liquid oxygen evaporator, by the controlling valve of voltage regulation of the Dewar flask port of export, make oxygen pressure stable being controlled in the interval needing in Static and dynamic in oxygen pressure and the liquid oxygen evaporator in Dewar flask, thereby ensured that Dewar flask oxygen supply is in the pressure limit of safety; Oxygen pressure after gasifying by gauge measurement, reach setting value by the oxygen pressure after pressure regulator adjustment gasification, obtain the high pressure oxygen that is applicable to human body, oxygen after gasification is transported to the oxygen humidifier in downstream by oxygen conveying pipe, by oxygen humidifier, high pressure oxygen is unified to add wet process, high pressure oxygen after humidifying, makes oxygen uptake personnel feel more comfortable, by the break-make of oxygen air intake control valve control high pressure oxygen.Each equipment of this hyperbaric oxygen chamber oxygen supply control device adopts existing common equipment, has therefore reduced the cost of hyperbaric oxygen chamber oxygen supply.
Controlling valve of voltage regulation in Dewar flask outlet of the present utility model and the oxygen conveying pipe between liquid oxygen evaporator are provided with the first stop valve, oxygen conveying pipe between Pressure gauge and the pressure regulator of the described liquid oxygen evaporator port of export is provided with the second stop valve, between described pressure regulator and the oxygen conveying pipe of oxygen humidifier, be provided with the 3rd stop valve, in the time that needs are changed or keep in repair certain equipment wherein, by closing the stop valve of this equipment upstream extremity and the stop valve of downstream, this equipment is disconnected, can quick-replaceable or revise this equipment, thereby do not affect the treatment of patient in hyperbaric oxygen chamber.
Oxygen conveying pipe between controlling valve of voltage regulation and liquid oxygen evaporator adopts high-pressure hose, good seal performance.
The Dewar flask of storage liquid oxygen adopts the Dewar flask of 2.4Mp, and this pressure use safety, can reach again the oxygen pressure requirement in hyperbaric oxygen chamber.
The utlity model has simple in structurely, plant area area is little, with low cost, use the beneficial effects such as safe, convenient, reliable.In strict accordance with related request, stable operation, safety, this utility model can meet the hyperbaric oxygen chamber of large, medium and small type hospital for oxygen demand, has especially solved medium and small hospital and arrange the problem of hyperbaric oxygen chamber, makes hyperbaric oxygentherapy obtain popularization.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is further described.
A kind of hyperbaric oxygen chamber oxygen supply control device as shown in Figure 1, comprise hyperbaric oxygen chamber 1, Dewar flask 3, controlling valve of voltage regulation 4, liquid oxygen evaporator 5, Pressure gauge 6, pressure regulator 7, oxygen humidifier 8, oxygen air intake control valve 9, the first stop valve 10, the second stop valve 11, the 3rd stop valve 12 and the oxygen conveying pipe 13 of some breathing equipments 2 for patient's oxygen uptake, storage liquid oxygen, the Dewar flask 3 of described storage liquid oxygen adopts the Dewar flask (Dewar flask of 2.4Mp, English Dewars is a kind of container of storing liquid gas); Described some breathing equipments 2 for patient's oxygen uptake are arranged in hyperbaric oxygen chamber 1, and described Dewar flask 3, controlling valve of voltage regulation 4, liquid oxygen evaporator 5, Pressure gauge 6, pressure regulator 7, oxygen humidifier 8 and oxygen air intake control valve 9 are located at outside hyperbaric oxygen chamber 1;
Described each breathing equipment 2 of being located in hyperbaric oxygen chamber 1 is connected with the downstream of oxygen conveying pipe 13, the upstream extremity of oxygen conveying pipe 13 is connected at the Dewar flask 3 of the storage liquid oxygen outside hyperbaric oxygen chamber 1, the port of export of described Dewar flask 3 is installed controlling valve of voltage regulation 4, oxygen conveying pipe 13 is connected with controlling valve of voltage regulation 4, liquid oxygen in Dewar flask 3 is inputted oxygen conveying pipe 13 after controlling valve of voltage regulation 4 again, make oxygen pressure stable being controlled in the interval needing in Static and dynamic by controlling valve of voltage regulation 4, thereby ensured that Dewar flask oxygen supply is in the pressure limit of safety.The downstream of described controlling valve of voltage regulation 4 is by the upstream extremity of oxygen conveying pipe 13 connecting fluid oxygen evaporators 5, oxygen conveying pipe 13 between controlling valve of voltage regulation 4 and liquid oxygen evaporator 5 adopts high-pressure hose, and oxygen conveying pipe 13 between controlling valve of voltage regulation 4 and liquid oxygen evaporator 5 is provided with the first stop valve 10; In the time opening the first stop valve 10, in the import influent oxygen evaporator 5 of the liquid oxygen of steady pressure by liquid oxygen evaporator 5, carry out heat exchange, become the oxygen of gaseous state.The downstream of described liquid oxygen evaporator 5 is by the upstream extremity of oxygen conveying pipe 13 Bonding pressure actuators 7, the port of export setting pressure table 6 of liquid oxygen evaporator 5, detect the oxygen pressure sizes values of the gaseous state of liquid oxygen evaporator 5 ports of export with Pressure gauge 6, the oxygen conveying pipe 13 between Pressure gauge 6 and the pressure regulator 7 of described liquid oxygen evaporator 5 ports of export is provided with the second stop valve 11; In the time opening the second stop valve 11, regulate the oxygen pressure of oxygen conveying pipe 13 interior gaseous states by pressure regulator 7, make the oxygen pressure of gaseous state meet the interior required pressure of hyperbaric oxygen chamber 1.The downstream of described pressure regulator 7 connects the upstream extremity of oxygen humidifier 8 by oxygen conveying pipe 13, between pressure regulator 7 and the oxygen conveying pipe 13 of oxygen humidifier 8, be provided with the 3rd stop valve 12; In the time opening the 3rd stop valve 12, the oxygen of gaseous state flows in oxygen humidifier with certain pressure, unifies to add wet process by oxygen humidifier 8, makes dry oxygen have certain humidity, thereby more comfortable while making patient's oxygen uptake.The downstream of described oxygen humidifier 8 connects oxygen air intake control valve 9 by oxygen conveying pipe 13, the downstream of described oxygen air intake control valve 9 is connected with each breathing equipment 2 of being located in hyperbaric oxygen chamber 1 by oxygen conveying pipe 13, and the patient in hyperbaric oxygen chamber absorbs by breathing equipment 2 high pressure oxygen making.
The Dewar flask 3 of described storage liquid oxygen adopts the Dewar flask of 2.4Mp.Conventionally Dewar flask is divided into middle pressure 1.6Mp(operating pressure 1.37Mp by the pressure size of its safety valve setting), high pressure 2.4Mp(operating pressure 2.22Mp), supertension 3.5Mp(operating pressure 3.2Mp).According to the oxygen supply feature of hyperbaric oxygen chamber, general high voltage oxygen cabin oxygen supply pressure is in 0.55Mp left and right, the maximum oxygen-supplying amount of oxygen cabin needs per minute is in 400L left and right, therefore the Dewar flask that this utility model adopts is selected high pressure 2.4Mp(operating pressure 2.22Mp) Dewar flask, Dewar flask under this pressure not only uses safety, and can reach the oxygen pressure requirement in hyperbaric oxygen chamber.Certainly, also can select as required the Dewar flask of 1.6Mp or the Dewar flask of 3.5Mp.
The Dewar flask 3 of the storage liquid oxygen in this utility model, controlling valve of voltage regulation 4, liquid oxygen evaporator 5, Pressure gauge 6, pressure regulator 7, oxygen humidifier 8, oxygen air intake control valve 9, the first stop valve 10, the second stop valve 11, the 3rd stop valve 12 can be arranged in the room of the 10 squares of left and right of a careat outside hyperbaric oxygen chamber 1.Therefore this hyperbaric oxygen chamber oxygen supply control device floor space is little, and cost is low, can realize the hyperbaric oxygen chamber setting of medium and small hospital, is in particular small hospital and adopts hyperbaric oxygentherapy to play the effect of promoting.
Operation principle of the present utility model:
Open the first stop valve 10 between switch and controlling valve of voltage regulation 4 and the liquid oxygen evaporator 5 of Dewar flask 3 of storage liquid oxygen, liquid oxygen in the Dewar flask 3 of storage liquid oxygen flows to liquid oxygen evaporator 5 by controlling valve of voltage regulation 4, described controlling valve of voltage regulation 4 is controlled at liquid oxygen pressure in needed pressure limit, makes oxygen pressure stable being controlled in the interval needing in Static and dynamic in oxygen pressure and the liquid oxygen evaporator 5 in Dewar flask 3; Described liquid oxygen evaporator 5 absorbs the temperature in its environment by the fin of self, the liquid oxygen of low temperature state is converted to the gaseous oxygen of room temperature state.The oxygen pressure detecting after evaporation by the Pressure gauge 6 of liquid oxygen evaporator 5 ports of export, open the second stop valve 11, oxygen after evaporation passes into pressure regulator 7, regulates the pressure of oxygen by pressure regulator 7, makes the pressure of oxygen meet the needed oxygen pressure of hyperbaric oxygen chamber; Open the 3rd stop valve 12, the oxygen of setting pressure passes into oxygen humidifier 8, add wet process by oxygen humidifier 8, high pressure oxygen after humidification arrives the oxygen air intake control valve 9 of hyperbaric oxygen chamber operating board, open or interrupt the breathing equipment 2 in hyperbaric oxygen chamber 1 to input high pressure oxygen by oxygen air intake control valve 9, absorbing high pressure oxygen for the patient in hyperbaric oxygen chamber 1 by breathing equipment 2.
Claims (4)
1. a hyperbaric oxygen chamber oxygen supply control device, comprise hyperbaric oxygen chamber (1), in hyperbaric oxygen chamber (1), be provided with some breathing equipments (2) for patient's oxygen uptake, each breathing equipment (2) is connected with the downstream of oxygen conveying pipe (13), it is characterized in that: the upstream extremity of described oxygen conveying pipe (13) is connected at the Dewar flask (3) of the outer storage liquid oxygen of hyperbaric oxygen chamber (1), the outfan of described Dewar flask (3) is installed controlling valve of voltage regulation (4), oxygen conveying pipe (13) is connected with controlling valve of voltage regulation (4), the downstream of described controlling valve of voltage regulation (4) is by the upstream extremity of oxygen conveying pipe (13) connecting fluid oxygen evaporator (5), the downstream of described liquid oxygen evaporator (5) is by the upstream extremity of oxygen conveying pipe (13) Bonding pressure actuator (7), the port of export setting pressure table (6) of described liquid oxygen evaporator (5), the downstream of described pressure regulator (7) connects the upstream extremity of oxygen humidifier (8) by oxygen conveying pipe (13), the downstream of described oxygen humidifier (8) connects oxygen air intake control valve (9) by oxygen conveying pipe (13), the downstream of described oxygen air intake control valve (9) is connected with each breathing equipment (2) of being located in hyperbaric oxygen chamber (1) by oxygen conveying pipe (13).
2. hyperbaric oxygen chamber oxygen supply control device according to claim 1, it is characterized in that: the oxygen conveying pipe (13) between controlling valve of voltage regulation (4) and the liquid oxygen evaporator (5) of described Dewar flask outfan is provided with the first stop valve (10), oxygen conveying pipe (13) between Pressure gauge (6) and the pressure regulator (7) of described liquid oxygen evaporator (5) port of export is provided with the second stop valve (11), between described pressure regulator (7) and the oxygen conveying pipe (13) of oxygen humidifier (8), is provided with the 3rd stop valve (12).
3. hyperbaric oxygen chamber oxygen supply control device according to claim 1, is characterized in that: the Dewar flask (3) of described storage liquid oxygen adopts the Dewar flask of 2.4Mp.
4. hyperbaric oxygen chamber oxygen supply control device according to claim 1, is characterized in that: the oxygen conveying pipe (13) between described controlling valve of voltage regulation (4) and liquid oxygen evaporator (5) adopts high-pressure hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420193679.6U CN203815781U (en) | 2014-04-21 | 2014-04-21 | Oxygen supply control device of hyperbaric oxygen chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420193679.6U CN203815781U (en) | 2014-04-21 | 2014-04-21 | Oxygen supply control device of hyperbaric oxygen chamber |
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| Publication Number | Publication Date |
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| CN203815781U true CN203815781U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420193679.6U Expired - Fee Related CN203815781U (en) | 2014-04-21 | 2014-04-21 | Oxygen supply control device of hyperbaric oxygen chamber |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105641792A (en) * | 2016-03-31 | 2016-06-08 | 中国人民解放军军事医学科学院卫生装备研究所 | Collective oxygen supply device |
| CN105983163A (en) * | 2015-01-30 | 2016-10-05 | 李明臣 | Respirator |
| CN107595524A (en) * | 2017-10-12 | 2018-01-19 | 潍坊华信氧业有限公司 | Saturated oxygen therapy apparatus |
-
2014
- 2014-04-21 CN CN201420193679.6U patent/CN203815781U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105983163A (en) * | 2015-01-30 | 2016-10-05 | 李明臣 | Respirator |
| CN105641792A (en) * | 2016-03-31 | 2016-06-08 | 中国人民解放军军事医学科学院卫生装备研究所 | Collective oxygen supply device |
| CN105641792B (en) * | 2016-03-31 | 2018-05-01 | 中国人民解放军军事医学科学院卫生装备研究所 | Concentrated oxygen supply device |
| CN107595524A (en) * | 2017-10-12 | 2018-01-19 | 潍坊华信氧业有限公司 | Saturated oxygen therapy apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20170421 |