CN116831843B - Micro-hyperbaric oxygen chamber with independent temperature and humidity adjusting function - Google Patents
Micro-hyperbaric oxygen chamber with independent temperature and humidity adjusting function Download PDFInfo
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- CN116831843B CN116831843B CN202310764151.3A CN202310764151A CN116831843B CN 116831843 B CN116831843 B CN 116831843B CN 202310764151 A CN202310764151 A CN 202310764151A CN 116831843 B CN116831843 B CN 116831843B
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 190
- 239000001301 oxygen Substances 0.000 title claims abstract description 190
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 190
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 79
- 238000007791 dehumidification Methods 0.000 claims abstract description 21
- 238000002360 preparation method Methods 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 239000002808 molecular sieve Substances 0.000 claims description 40
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 40
- 238000001914 filtration Methods 0.000 claims description 11
- 238000005057 refrigeration Methods 0.000 claims description 10
- 230000003584 silencer Effects 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 5
- 239000003507 refrigerant Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 18
- 239000007789 gas Substances 0.000 description 12
- 230000001276 controlling effect Effects 0.000 description 3
- 238000003795 desorption Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G10/00—Treatment rooms or enclosures for medical purposes
- A61G10/02—Treatment rooms or enclosures for medical purposes with artificial climate; with means to maintain a desired pressure, e.g. for germ-free rooms
- A61G10/023—Rooms for the treatment of patients at over- or under-pressure or at a variable pressure
- A61G10/026—Rooms for the treatment of patients at over- or under-pressure or at a variable pressure for hyperbaric oxygen therapy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/30—General characteristics of devices characterised by sensor means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F2003/144—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Pulmonology (AREA)
- Emergency Medicine (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
Abstract
The invention provides a micro-hyperbaric oxygen chamber with a temperature and humidity independent regulation function, which belongs to the technical field of micro-hyperbaric oxygen chamber systems and comprises an oxygen chamber shell, a pressurized air preparation device and a heat exchange mechanism; the pressurized air preparation device is communicated with an inlet of the three-way valve A, and a first outlet of the three-way valve A is communicated with the oxygen cabin shell; the second outlet of the three-way valve A is sequentially communicated with a shell-and-tube heat exchanger, a water separator A, an air heater and an oxygen cabin shell; the water inlet of the shell-and-tube heat exchanger is communicated with the water pump, the water outlet of the shell-and-tube heat exchanger is selectively communicated with the fan coil heat exchanger, and the fan coil heat exchanger is selectively communicated with the water pump; the fan coil heat exchanger is arranged inside the oxygen cabin shell; a heat exchange mechanism is also communicated between the water pump and the three-way valve C; the invention can independently control the temperature and the humidity, and can maintain good dehumidification cooling effect and save energy when dehumidification and cooling are simultaneously required.
Description
Technical Field
The invention belongs to the technical field of micro-hyperbaric oxygen chamber systems, and particularly relates to a micro-hyperbaric oxygen chamber with an independent temperature and humidity adjusting function.
Background
The micro-hyperbaric oxygen chamber provides oxygen inhalation conditions slightly higher than ambient pressure for people, and utilizes an oxygen production system to provide high-concentration oxygen, so that the blood oxygen content of a human body is improved, and the micro-hyperbaric oxygen chamber has important effects of accelerating blood flow, repairing cells, promoting metabolism and improving sub-health state. In a high-temperature and high-humidity environment in summer, the micro-hyperbaric oxygen chamber is small in space, air does not circulate, a user can feel stuffy more easily, and the comfort of a human body is reduced, but most of the micro-hyperbaric oxygen chambers at present do not have a dehumidification function or are dehumidified by utilizing a refrigeration system in an auxiliary way, so that two conditions exist, and when only dehumidification is needed, particularly for old users, people in the chamber feel cold by utilizing the refrigeration system to assist dehumidification; the other is to dehumidify and cool down, and the auxiliary dehumidification of the refrigerating system is utilized, so that the heat and humidity load of the air conditioning system is increased easily, on one hand, the energy consumption is increased, on the other hand, the refrigerating effect is reduced, and the heat comfort of a user is reduced, so that a micro-hyperbaric oxygen chamber with independent temperature and humidity regulation control is required to be developed, the energy consumption of the system is reduced, and the use comfort is improved.
Disclosure of Invention
The invention aims to solve the problems in the background art, and provides a micro-hyperbaric oxygen chamber with a temperature and humidity independent regulation function, which can independently control temperature and humidity, can maintain good dehumidification and cooling effects and can save energy when dehumidification and cooling are needed at the same time.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
a micro-hyperbaric oxygen chamber with independent temperature and humidity regulation function comprises an oxygen chamber shell, a pressurized air preparation device and a heat exchange mechanism; the pressurized air preparation device is communicated with an inlet of the three-way valve A, and a first outlet of the three-way valve A is communicated with the oxygen cabin shell; the second outlet of the three-way valve A is sequentially communicated with a shell-and-tube heat exchanger, a water separator A, an air heater and an oxygen cabin shell; the water inlet of the shell-and-tube heat exchanger is communicated with the water pump, the water outlet of the shell-and-tube heat exchanger is communicated with one port of the three-way valve B, the other two ports of the three-way valve B are respectively communicated with the fan coil heat exchanger and one port of the three-way valve C, and the other two ports of the three-way valve C are respectively communicated with the fan coil heat exchanger and the water pump water inlet; the fan coil heat exchanger is arranged inside the oxygen cabin shell; and a heat exchange mechanism is also communicated between the water pump and the three-way valve C.
Preferably, an oxygen inhalation device is arranged in the oxygen cabin shell and is communicated with an oxygen preparation device outside the oxygen cabin shell; a one-way valve A is communicated between the oxygen preparation device and the oxygen inhalation device.
Preferably, a one-way valve B is communicated between the first outlet of the three-way valve A and the oxygen cabin shell; and a one-way valve C is communicated between the air heater and the oxygen cabin shell.
Preferably, a water flow switch is arranged between the water outlet of the shell-and-tube heat exchanger and the three-way valve B.
Preferably, an oxygen concentration detector, a temperature detector, a humidity detector and an in-cabin pressure relief valve are arranged in the oxygen cabin shell.
Preferably, an outside pressure relief valve, a normally open electromagnetic valve, a quick exhaust valve and a safety valve are arranged outside the oxygen cabin shell.
Preferably, the oxygen preparation device comprises an air filtering silencer A, an air compressor A, a heat exchanger A, a water separator B and an oxygen production electromagnetic valve which are sequentially communicated, wherein the oxygen production electromagnetic valve is a four-way valve, and the other three ports are respectively communicated with an oxygen production molecular sieve A, an oxygen production molecular sieve B and the outside; the oxygen generation molecular sieve A and the oxygen generation molecular sieve B are respectively communicated with two ports of the three-way valve D, and the remaining ports of the three-way valve D are sequentially communicated with an oxygen buffer tank, an oxygen concentration sensor and an oxygen flow sensor.
Preferably, the oxygen-making molecular sieve A, the oxygen-making molecular sieve B and the three-way valve D are respectively communicated with the limited hole A and the limited hole B.
Preferably, the pressurized air preparation device comprises an air filtering silencer B, an air compressor B, a heat exchanger B and a water separator C which are communicated in sequence.
Preferably, the heat exchange mechanism comprises a sleeve heat exchanger, a throttle valve, an air-cooled heat exchanger, a four-way reversing valve and a refrigeration compressor, wherein a first port of the sleeve heat exchanger is sequentially communicated with the throttle valve and the air-cooled heat exchanger, and a second port of the sleeve heat exchanger is communicated with a port b of the four-way reversing valve; the air-cooled heat exchanger is also communicated with a port c of the four-way reversing valve; ports a and d of the four-way reversing valve are respectively connected with an inlet and an outlet of the refrigeration compressor.
The beneficial effects of the invention are as follows:
1. the device for preparing the pressurized air is directly communicated with the oxygen cabin shell and is communicated with the oxygen cabin shell through the dehumidification mechanism through the three-way valve A, and the two connection modes are switched, so that independent control of humidity and temperature in the oxygen cabin shell is realized (when the temperature needs to be independently controlled, the device for preparing the pressurized air is directly communicated with the oxygen cabin shell, when the humidity needs to be independently controlled, the device for preparing the pressurized air is directly communicated with the oxygen cabin shell through the dehumidification mechanism, at the moment, the three-way valve B and the three-way valve C are directly communicated without passing through a fan coil heat exchanger arranged in the oxygen cabin shell), and the condition that the other one is passively regulated and controlled is avoided, so that discomfort is caused to the body feeling of personnel in the oxygen cabin.
2. When the dehumidification and the cooling are needed, the pressurized air enters the oxygen cabin shell through the dehumidification mechanism, the three-way valve B and the three-way valve C are controlled to enable chilled water to flow back to the water pump through the fan coil heat exchanger arranged in the oxygen cabin shell, the air heater is closed, the dehumidified pressurized air is kept in a low-temperature state and directly enters the oxygen cabin shell to cool the cabin, and the chilled water in the fan coil heat exchanger can cool the oxygen cabin shell further; the low-temperature chilled water flowing into the shell-and-tube heat exchanger firstly cools and dehumidifies the pressurized air, the dehumidified low-temperature pressurized air can directly cool the cabin, and the high-temperature chilled water flowing out of the shell-and-tube heat exchanger flows through the fan coil heat exchanger, so that the cabin can be cooled further, the mode can effectively dehumidify, energy sources can be saved (recycling of the high-temperature chilled water), and the efficient refrigerating effect can be ensured.
Drawings
FIG. 1 is a schematic structural view of a micro-hyperbaric oxygen chamber with independent temperature and humidity regulation function according to the present invention;
FIG. 2 is a schematic diagram of a high concentration oxygen producing apparatus according to the present invention;
FIG. 3 is a schematic view of the structure of the charge air producing apparatus of the present invention.
Name of the label in the figure:
101. oxygen production device, 202, check valve a,103, oxygen inhalation device, 201, pressurized air production device, 202, three-way valve a,203, check valve B,204, shell-and-tube heat exchanger, 205, water separator a,206, air heater, 207, check valve C,301, water pump, 302, water flow switch, 303, three-way valve B,304, fan coil heat exchanger, 305, oxygen concentration detector, 306, temperature detector, 307, humidity detector, 308, three-way valve C,309, double-pipe heat exchanger, 401, throttle valve, 402, air-cooled heat exchanger, 403, four-way reversing valve, 404, refrigeration compressor, 501, cabin pressure relief valve, 502, cabin pressure relief valve, 503, normally open solenoid valve, 504, quick vent valve, 505, safety valve, 506, oxygen cabin housing;
601. air filtering silencer A,602, air compressor A,603, heat exchanger A,604, water separator A,605, oxygen-making solenoid valve, 606, oxygen-making molecular sieve A,607, oxygen-making molecular sieve B,608, restricted orifice A,609, three-way valve D,610, restricted orifice B,611, oxygen buffer tank, 612, oxygen concentration sensor, 613, oxygen flow sensor.
701. Air filtering silencers B,702, air compressors B,703, heat exchangers B,704, water separator C.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
It should be noted that the terms like "upper", "lower", "left", "right", "front", "rear", and the like are also used for descriptive purposes only and are not intended to limit the scope of the invention in which the invention may be practiced, but rather the relative relationship of the terms may be altered or modified without materially altering the teachings of the invention.
As shown in fig. 1, the invention provides a micro-hyperbaric oxygen chamber with independent temperature and humidity regulation function, which comprises an oxygen chamber shell 506, a pressurized air preparation device 201 and a heat exchange mechanism; an oxygen inhalation device 103 is arranged in the oxygen cabin shell 506, and the oxygen inhalation device 103 is communicated with an oxygen preparation device 101 outside the oxygen cabin shell 506; a one-way valve A102 is communicated between the oxygen preparation device 101 and the oxygen inhalation device 103, so that the backflow of oxygen can be prevented;
the pressurized air preparation device 201 is communicated with an inlet of the three-way valve A202, a first outlet of the three-way valve A202 is communicated with the oxygen cabin shell 506, a one-way valve B203 is communicated between the first outlet and the oxygen cabin shell 506, and the one-way valve B203 is also used for preventing the pressurized air from flowing backwards;
the second outlet of the three-way valve A202 is sequentially communicated with a shell-and-tube heat exchanger 204, a water separator A205, an air heater 206, a one-way valve C207 and an oxygen cabin shell 506; the shell-and-tube heat exchanger 204 is used for cooling the pressurized air to condense water vapor therein; the water separator a205 is used to remove moisture from the low temperature charge air; the air heater 206 is used to restore the low-temperature pressurized air to the normal temperature, avoiding the direct input of cold air when the temperature is not required to be reduced, which is uncomfortable for people; the check valve C207 is used to prevent the backflow of the pressurized air;
the water inlet of the shell-and-tube heat exchanger 204 is communicated with the water pump 301, the water outlet of the shell-and-tube heat exchanger 204 is sequentially communicated with the water flow switch 302 (used for controlling chilled water circulation) and the first port of the three-way valve B303, the second port of the three-way valve B303 is communicated with the fan coil heat exchanger 304, the third port of the three-way valve B303 is communicated with the third port of the three-way valve C308, the second port of the three-way valve C308 is communicated with the fan coil heat exchanger 304, and the first port of the three-way valve C308 is sequentially communicated with the heat exchange mechanism and the water inlet of the water pump 301; the fan coil heat exchanger 304 is disposed inside the oxygen compartment housing 506;
the heat exchange mechanism comprises a sleeve heat exchanger 309, a throttle valve 401, an air-cooled heat exchanger 402, a four-way reversing valve 403 and a refrigeration compressor 404, wherein a first port of the sleeve heat exchanger 309 is sequentially communicated with the throttle valve 401 and the air-cooled heat exchanger 402, and a second port of the sleeve heat exchanger 309 is communicated with a port b of the four-way reversing valve 403; the air-cooled heat exchanger 402 is also communicated with a port c of the four-way reversing valve 403; ports a and d of the four-way reversing valve 403 are respectively connected with an inlet and an outlet of the refrigeration compressor 404;
an oxygen concentration detector 305, a temperature detector 306 and a humidity detector 307 are arranged in the oxygen cabin shell 506 and are used for monitoring various indexes in the oxygen cabin shell in real time;
the oxygen cabin shell 506 is also provided with an cabin pressure relief valve 501, and the outside of the oxygen cabin shell 506 is provided with an cabin pressure relief valve 502, a normally open electromagnetic valve 503, a quick exhaust valve 504 and a safety valve 505; when the pressure in the oxygen cabin shell 506 is higher than the set pressure, the quick exhaust valve 504 is opened to exhaust to the external environment, so that the pressure in the oxygen cabin shell 506 is reduced, when the pressure in the oxygen cabin shell 506 is reduced to the set pressure, the quick exhaust valve 504 is closed, the normally open electromagnetic valve 503 is closed when the power is on, the valve is opened when the power is off, the valve is mainly used for automatically opening the valve when the oxygen cabin system is suddenly powered off in an emergency, the gas in the oxygen cabin is discharged, so that the pressure in the cabin is reduced, the safety of a user is ensured, the pressure in the cabin and the pressure outside the cabin are rapidly discharged by opening the pressure relief valve 501 and the pressure relief valve 502 in the cabin in an emergency are mechanical valves, the safety of the user is ensured, and when the pressure in the cabin is higher than the set safety pressure, the safety valve 505 is automatically opened to exhaust, and the pressure in the cabin is prevented from being too high.
As shown in fig. 2, the oxygen preparing apparatus 101 includes an air filtering silencer a601, an air compressor a602, a heat exchanger a603, a water separator B604 and an oxygen preparing electromagnetic valve 605 which are sequentially communicated, wherein the oxygen preparing electromagnetic valve 605 is a four-way valve, and the other three ports are respectively communicated with an oxygen preparing molecular sieve a606, an oxygen preparing molecular sieve B607 and the outside; the oxygen-making molecular sieve A606 and the oxygen-making molecular sieve B607 are respectively communicated with two ports of a three-way valve D609, and the remaining ports of the three-way valve D609 are sequentially communicated with an oxygen buffer tank 611, an oxygen concentration sensor 612 and an oxygen flow sensor 613; the air filtering silencer a601 is used to reduce noise; air compressor a602 is for increasing air pressure; heat exchanger a603 is used to reduce the gas temperature, thereby condensing the water vapor in the air; the water separator B604 is used for removing moisture in the low-temperature air; the oxygen-making electromagnetic valve 605 is used for controlling air to alternately pass through the oxygen-making molecular sieve A606 and the oxygen-making molecular sieve B607, and alternately communicating the two oxygen-making molecular sieves with the outside, thereby completing the desorption of the oxygen-making molecular sieves; the two oxygen-making molecular sieves alternately operate, so that high-concentration oxygen can be more effectively manufactured; the three-way valve D609 is used for controlling the oxygen buffer tank 611 to be communicated with the oxygen-producing molecular sieve A606 or the oxygen-producing molecular sieve B607;
the three-way valve D609 can also communicate the oxygen-making molecular sieve A606 with the oxygen-making molecular sieve B607 while communicating the oxygen buffer tank 611 with the oxygen-making molecular sieve A606, but the communicated channel is narrower, less gas can flow through, and the part of gas is used for back blowing the oxygen-making molecular sieve B607 to accelerate the desorption process; when the oxygen buffer tank 611 is communicated with the oxygen producing molecular sieve B607, the same operation as described above can be adopted to accelerate the desorption process of the oxygen producing molecular sieve a 606;
the oxygen-making molecular sieve A606, the oxygen-making molecular sieve B607 and the three-way valve D609 are respectively communicated with a limited hole A608 and a limited hole B610, and the two limited holes are used for limiting the gas flow and enabling the gas inlet and the gas outlet of the oxygen-making molecular sieve to generate larger pressure drop so as to obtain oxygen with higher concentration;
as shown in fig. 3, the charge air preparation device 201 includes an air filtering muffler B701, an air compressor B702, a heat exchanger B703, and a water separator C704, which are sequentially connected; the functions of the respective components are the same as those of the oxygen production apparatus 101, and will not be described again.
The working principle of the micro-hyperbaric oxygen chamber with the temperature and humidity independent regulation function provided by the invention is as follows:
oxygen supply in the oxygen cabin: the high-concentration oxygen supply device 101 prepares oxygen and supplies oxygen to a human body through the oxygen cabin oxygen inhalation device 103 after passing through the one-way valve A202;
wherein the oxygen-making flow of the oxygen-supplying device 101 is that air is compressed into high-temperature high-pressure gas after passing through an air filtering silencer A601 and an air compressor A602, cooled and dehydrated after passing through a heat exchanger A603 and a water separator B604, the high-pressure gas enters an oxygen-making molecular sieve A606 from ports f and e of an oxygen-making electromagnetic valve 605 and then forms high-concentration oxygen through the adsorption action of the oxygen-making molecular sieve A606, then flows into a first port of a three-way valve D609 after passing through a restricted orifice A608, most of the high-concentration oxygen sequentially flows through an oxygen buffer tank 611, an oxygen concentration sensor 612 and an oxygen flow sensor 613 through a third port of the three-way valve D609, a small part of the high-concentration oxygen passes through a restricted orifice B610 after passing through a second port of the three-way valve D609, then enters the oxygen-making molecular sieve B607 to desorb, and the desorbed gas is discharged into the external environment after passing through ports g and h of the oxygen-making electromagnetic valve 605, after an oxygen production period, the oxygen production electromagnetic valve 605 is switched, the ports f and g are communicated, the ports e and h are communicated, high-pressure gas enters the oxygen production molecular sieve B607 from the ports f and g of the oxygen production electromagnetic valve 605 and then forms high-concentration oxygen through the adsorption of the oxygen production molecular sieve B607, then flows into the second port of the three-way valve D609 after passing through the limiting hole B610, part of the high-concentration oxygen sequentially flows through the oxygen buffer tank 611, the oxygen concentration sensor 612 and the oxygen flow sensor 613 through the third port of the three-way valve D609, the other part of the high-concentration oxygen passes through the limiting hole A608 after passing through the first port of the three-way valve D609, then enters the oxygen production molecular sieve A606 to be desorbed, and the desorbed gas is discharged into the external environment after passing through the ports e and h of the oxygen production electromagnetic valve 605 and is switched at intervals of the oxygen production electromagnetic valve 609 in the oxygen production process, so that continuous oxygen production is realized.
Pressurizing and exhausting the oxygen cabin: the compressed air required for pressurizing the oxygen cabin is completed by the pressurized air preparing device 201, the air passes through the air filtering silencer B701, the air compressor B702, the heat exchanger B703 and the water separator C704 to obtain dehumidified high-pressure air, the air compressor B702 stops working when the pressure in the oxygen cabin shell 506 reaches the set pressure, the quick exhaust valve 504 is opened when the pressure in the oxygen cabin shell 506 is higher than the set pressure, the air is exhausted to the external environment, the pressure in the oxygen cabin shell 506 is reduced, the quick exhaust valve 504 is closed when the pressure in the oxygen cabin shell 506 is reduced to the set pressure, the normally open electromagnetic valve 503 is closed when the pressure in the oxygen cabin shell 506 is reduced to the set pressure, the valve is opened when the power is cut off, the valve is mainly used for automatically opening the valve when the oxygen cabin system is suddenly cut off under emergency, the pressure in the oxygen cabin is reduced, the safety of users is ensured, the cabin pressure relief valve 501 and the cabin external pressure relief valve 502 are mechanical valves for opening the cabin and the cabin under emergency, the safety of the users is ensured, and when the cabin pressure is higher than the set safety pressure, the safety valve 505 is automatically opened to exhaust under the condition, and the high cabin pressure is prevented.
Dehumidification alone mode: when the humidity in the oxygen cabin is high, a dehumidification mode is required to be started, the humidity in the cabin is reduced by fresh air, at the moment, the refrigerating compressor 404 is started, the port c of the four-way reversing valve 403 is communicated with the port d, and the portaThe refrigerant and water in the double pipe heat exchanger 309 exchange heat to generate low temperature chilled water, the low temperature chilled water circulates and flows between a water channel arranged in the shell-and-tube heat exchanger 204, a water flow switch 302, a first port and a third port of a three-way valve B303, a first port and a third port of a three-way valve C308 and a water channel arranged in the double pipe heat exchanger 309 in sequence under the action of a water pump 301, and compressed air enters from an inlet and a second outlet of the three-way valve A202The air channel arranged in the shell-and-tube heat exchanger 204 exchanges heat with chilled water to cool, then the chilled water is dehydrated through the water separator A205, and then the chilled water is heated through the air heater 206 to form dry air, and finally the dry air enters the oxygen cabin after flowing through the one-way valve C207, and the oxygen cabin is dehumidified by the dry air.
Single cooling mode: when the temperature in the oxygen cabin is higher, refrigeration and cooling are needed, compressed air enters the oxygen cabin through the one-way valve B203 after passing through the inlet and the first outlet of the three-way valve A202, the refrigerating compressor 404 is started, the port C and the port d of the four-way reversing valve 403 are communicated, the port a and the port B are communicated, the refrigerant and water in the double-pipe heat exchanger 309 exchange heat to generate low-temperature chilled water, and the low-temperature chilled water circulates among a water channel arranged in the shell-and-tube heat exchanger 204, the water flow switch 302, the first port and the second port of the three-way valve B303, the fan coil heat exchanger 304, the first port and the second port of the three-way valve C308 and the water channel arranged in the double-pipe heat exchanger 309 under the action of the water pump 301, so that the temperature in the oxygen cabin is reduced by heat exchange and cooling with the fan coil heat exchanger 304.
The dehumidification cooling mode is started simultaneously: when the dehumidification and cooling are simultaneously started, the dehumidification and cooling process is the same as the above-mentioned independent dehumidification (only one place is different from the independent dehumidification, namely, the air heater 206 does not work) and the independent cooling mode, and at this time, the first port and the second port of the three-way valve B303 are communicated, and the first port and the second port of the three-way valve 308C are communicated, so that the dehumidification and cooling can be simultaneously performed according to the working mode.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the invention without departing from the principles thereof are intended to be within the scope of the invention as set forth in the following claims.
Claims (8)
1. The utility model provides a little hyperbaric oxygen cabin with independent regulation of humiture function which characterized in that: comprises an oxygen cabin shell (506), a pressurized air preparation device (201) and a heat exchange mechanism; the pressurized air preparation device (201) is communicated with the inlet of the three-way valve A (202), and the first outlet of the three-way valve A (202) is communicated with the oxygen cabin shell (506); the second outlet of the three-way valve A (202) is sequentially communicated with a shell-and-tube heat exchanger (204), a water separator A (205), an air heater (206) and an oxygen cabin shell (506); the water inlet of the shell-and-tube heat exchanger (204) is communicated with the water pump (301), the water outlet of the shell-and-tube heat exchanger (204) is communicated with one port of the three-way valve B (303), and a water flow switch (302) is arranged between the water outlet of the shell-and-tube heat exchanger (204) and the three-way valve B (303); the other two ports of the three-way valve B (303) are respectively communicated with one port of the fan coil heat exchanger (304) and one port of the three-way valve C (308), and the other two ports of the three-way valve C (308) are respectively communicated with the fan coil heat exchanger (304) and the water inlet of the water pump (301); the fan coil heat exchanger (304) is arranged inside the oxygen cabin shell (506); a heat exchange mechanism is also communicated between the water pump (301) and the three-way valve C (308);
the heat exchange mechanism comprises a sleeve heat exchanger (309), a throttle valve (401), an air-cooled heat exchanger (402), a four-way reversing valve (403) and a refrigeration compressor (404), wherein a first port of the sleeve heat exchanger (309) is sequentially communicated with the throttle valve (401) and the air-cooled heat exchanger (402), and a second port of the sleeve heat exchanger (309) is communicated with a port b of the four-way reversing valve (403); the air-cooled heat exchanger (402) is also communicated with a port c of the four-way reversing valve (403); ports a and d of the four-way reversing valve (403) are respectively connected with an inlet and an outlet of the refrigeration compressor (404);
when the dehumidification is carried out independently, the port C and the port d of the four-way reversing valve (403) are communicated, the port a and the port B are communicated, the refrigerant and water in the double-pipe heat exchanger (309) exchange heat to generate low-temperature chilled water, and the low-temperature chilled water flows circularly among a water channel arranged in the shell-and-tube heat exchanger (204), the water flow switch (302), the first port and the third port of the three-way valve B (303), the first port and the third port of the three-way valve C (308) and the water channel arranged in the double-pipe heat exchanger (309) in sequence under the action of the water pump (301);
when the four-way reversing valve (403) is used for refrigerating independently, the port C and the port d are communicated, the port a and the port B are communicated, the refrigerant and water in the double-pipe heat exchanger (309) exchange heat to generate low-temperature chilled water, and the low-temperature chilled water circularly flows between a water channel arranged in the shell-and-tube heat exchanger (204), the water flow switch (302), the first port and the second port of the three-way valve B (303), the fan coil heat exchanger (304), the first port and the second port of the three-way valve C (308) and the water channel arranged in the double-pipe heat exchanger (309) under the action of the water pump (301).
2. The micro-hyperbaric oxygen chamber with independent temperature and humidity adjustment function according to claim 1, wherein the micro-hyperbaric oxygen chamber is characterized in that: an oxygen inhalation device (103) is arranged in the oxygen cabin shell (506), and the oxygen inhalation device (103) is communicated with an oxygen preparation device (101) outside the oxygen cabin shell (506); a one-way valve A (102) is communicated between the oxygen preparation device (101) and the oxygen inhalation device (103).
3. The micro-hyperbaric oxygen chamber with independent temperature and humidity adjustment function according to claim 1, wherein the micro-hyperbaric oxygen chamber is characterized in that: a one-way valve B (203) is communicated between the first outlet of the three-way valve A (202) and the oxygen cabin shell (506); a one-way valve C (207) is communicated between the air heater (206) and the oxygen cabin shell (506).
4. The micro-hyperbaric oxygen chamber with independent temperature and humidity adjustment function according to claim 1, wherein the micro-hyperbaric oxygen chamber is characterized in that: an oxygen concentration detector (305), a temperature detector (306), a humidity detector (307) and an in-cabin pressure release valve (501) are arranged in the oxygen cabin shell (506).
5. The micro-hyperbaric oxygen chamber with independent temperature and humidity adjustment function according to claim 1, wherein the micro-hyperbaric oxygen chamber is characterized in that: the outside of the oxygen cabin shell (506) is provided with an external pressure relief valve (502), a normally open electromagnetic valve (503), a quick exhaust valve (504) and a safety valve (505).
6. The micro-hyperbaric oxygen chamber with independent temperature and humidity adjustment function according to claim 2, wherein the micro-hyperbaric oxygen chamber is characterized in that: the oxygen preparation device (101) comprises an air filtering silencer A (601), an air compressor A (602), a heat exchanger A (603), a water separator B (604) and an oxygen-making electromagnetic valve (605) which are sequentially communicated, wherein the oxygen-making electromagnetic valve (605) is a four-way valve, and the other three ports are respectively communicated with an oxygen-making molecular sieve A (606), an oxygen-making molecular sieve B (607) and the outside; the oxygen generation molecular sieve A (606) and the oxygen generation molecular sieve B (607) are respectively communicated with two ports of the three-way valve D (609), and the remaining ports of the three-way valve D (609) are sequentially communicated with an oxygen buffer tank (611), an oxygen concentration sensor (612) and an oxygen flow sensor (613).
7. The micro-hyperbaric oxygen chamber with independent temperature and humidity adjustment function according to claim 6, wherein the micro-hyperbaric oxygen chamber is characterized in that: the oxygen-making molecular sieve A (606) and the oxygen-making molecular sieve B (607) are respectively communicated with the limited flow hole A (608) and the limited flow hole B (610) between the three-way valve D (609).
8. The micro-hyperbaric oxygen chamber with independent temperature and humidity adjustment function according to claim 1, wherein the micro-hyperbaric oxygen chamber is characterized in that: the pressurized air preparation device (201) comprises an air filtering silencer B (701), an air compressor B (702), a heat exchanger B (703) and a water separator C (704) which are sequentially communicated.
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| CN116831843A (en) | 2023-10-03 |
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