CN110731873A - medical air pressurization oxygen cabin environment control system - Google Patents
medical air pressurization oxygen cabin environment control system Download PDFInfo
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- CN110731873A CN110731873A CN201911113090.4A CN201911113090A CN110731873A CN 110731873 A CN110731873 A CN 110731873A CN 201911113090 A CN201911113090 A CN 201911113090A CN 110731873 A CN110731873 A CN 110731873A
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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
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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
- A61G2203/00—General characteristics of devices
- A61G2203/30—General characteristics of devices characterised by sensor means
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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
- A61G2203/00—General characteristics of devices
- A61G2203/30—General characteristics of devices characterised by sensor means
- A61G2203/46—General characteristics of devices characterised by sensor means for temperature
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- Pulmonology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
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Abstract
The invention discloses an environment control system for a medical air pressurization oxygen chamber, which comprises a water chilling unit, a hot water unit, a heating coil, a cooling and dehumidifying coil, a water pump, a control unit, a filter and the like.
Description
Technical Field
The invention relates to the field of refrigeration and heating systems for medical pressurized oxygen chambers, in particular to an environment control system for medical air pressurized oxygen chambers.
Background
The medical air pressurized oxygen cabin mainly comprises a cold and hot water unit, a heat exchange coil in the cabin, a control unit and a filter, wherein the cold and hot water unit provides cold and hot sources for the cabin and then accurately controls the temperature and the humidity in the cabin through the heat exchange coil in the cabin and the control unit. The problem of large temperature fluctuation in the medical air pressurization oxygen chamber is easily caused by the pressure increasing and reducing operation.
The invention aims to provide an environment control system for a medical air pressurized oxygen cabin, which aims to solve the problem of temperature change caused by rapid temperature rise and drop in the cabin in the pressurizing and depressurizing processes of the conventional medical air pressurized oxygen cabin and realize a relatively constant temperature environment in the stable oxygen inhalation process in the cabin.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
A medical air pressurization oxygen chamber environmental control system, which is characterized in that the system comprises a cooling dehumidification coil, a heating coil and a magnetic coupling fan, wherein the cooling dehumidification coil is arranged in the pressurization oxygen chamber corresponding to an air inlet, the heating coil is arranged in the pressurization oxygen chamber corresponding to an air outlet, the magnetic coupling fan is arranged in the pressurization oxygen chamber air outlet, the system also comprises a hot water unit, a cold water unit, a water pump, a second water pump, a flow divider and a mixed flow valve, wherein:
the water outlet of the hot water unit is connected with the water inlet of an th water pump through a pipeline, the water outlet of a th water pump is connected with the end of a heating coil through a pipeline, and the other end of the heating coil is connected with the water inlet of the hot water unit through a pipeline, so that a hot water circulation loop is formed;
the water outlet of the water chilling unit is connected with the water inlet of a second water pump through a pipeline, the water outlet of the second water pump is connected with the end of the cooling and dehumidifying coil through a pipeline, and the other end of the cooling and dehumidifying coil is connected with the water inlet of the water chilling unit through a pipeline, so that a cold water circulation loop is formed;
the shunt valve is communicated with and connected to pipelines between the second water pump and the cooling and dehumidifying coil, the mixed flow valve is communicated with and connected to pipelines between the cooling and dehumidifying coil and the water chilling unit, the intermediate interface of the shunt valve is also communicated with and connected to pipelines between the th water pump and the heating coil in a bypass mode, and the intermediate interface of the mixed flow valve is also communicated with and connected to pipelines between the heating coil and the water chilling unit in a bypass mode.
The medical air pressurization oxygen cabin environment control systems are characterized by further comprising a high-efficiency filter, wherein the high-efficiency filter is installed in an air inlet of the pressurization oxygen cabin.
The medical air pressurization oxygen cabin environment control system is characterized in that a temperature sensor and a humidity sensor are further arranged inside the pressurization oxygen cabin, in order to realize temperature and humidity control in the cabin, the output ends of the temperature sensor and the humidity sensor are electrically connected with the input end of a controller, and the output end of the controller is electrically connected with the input ends of the flow dividing valve and the flow mixing valve respectively.
The medical air pressurization oxygen cabin environment control systems are characterized in that an air port of the magnetic coupling fan is positioned in an air outlet of the pressurization oxygen cabin, and a motor of the magnetic coupling fan is positioned outside the pressurization oxygen cabin.
The invention provides medical air pressurization oxygen chamber environment control systems, which comprise a water chilling unit, a hot water unit, a heating coil, a cooling and dehumidifying coil, a magnetic coupling fan, a water pump, a flow divider, a mixed flow valve, a filter and the like.
The medical air pressurization oxygen chamber environment control system provides cold and hot water sources through the cold and hot water unit, the heating coil pipes in the chamber provide heat sources in the chamber to realize a heating function, and the cooling and dehumidifying coil pipes in the chamber provide cold sources to realize cooling and dehumidifying functions. The control unit can accurately adjust the supply amount of cold and hot water of the two coils to realize accurate control of the temperature and humidity in the cabin.
Therefore, the invention has the following advantages:
(1) the environment control system effectively solves the temperature change caused by rapid temperature rise and reduction in the medical air pressurization oxygen cabin in the pressurization and decompression processes, and realizes a relatively constant temperature environment when oxygen is stably inhaled in the cabin;
(2) the environment control system of the cooling and dehumidifying coil pipe has the functions of refrigeration, heating and dehumidification, can realize rapid temperature rise and drop so as to offset temperature change caused by rapid temperature rise and drop in the cabin in the pressurizing and depressurizing processes, and can realize relatively constant temperature and humidity environment in the stable oxygen inhalation process in the cabin;
(3) the environment control system can efficiently purify the air in the cabin;
(4) the system is simple, the temperature response speed is high, and the occupied internal space of the medical air pressurization oxygen chamber is small.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Detailed Description
The invention is further illustrated in the following description with reference to the figures and examples.
As shown in fig. 1, kinds of medical air pressurization oxygen cabin environmental control systems, including cooling dehumidification coil 8, heating coil 3, magnetic coupling fan 4, cooling dehumidification coil 8 installs in the inside corresponding air intake position of pressurization oxygen cabin, heating coil 3 installs in the inside corresponding air outlet position of pressurization oxygen cabin, magnetic coupling fan 4 installs in the air outlet of pressurization oxygen cabin, still include hot water unit 1, cooling water unit 10, water pump 2-1, second water pump 2-2, flow divider 9-1, mixed flow valve 9-2, wherein:
the water outlet of the hot water unit 1 is connected with the water inlet of an th water pump 2-1 through a pipeline, the water outlet of a th water pump 2-1 is connected with the end of a heating coil 3 through a pipeline, and the other end of the heating coil 3 is connected with the water inlet of the hot water unit 1 through a pipeline, so that a hot water circulation loop is formed;
the water outlet of the water chilling unit 10 is connected with the water inlet of a second water pump 2-2 through a pipeline, the water outlet of the second water pump 2-2 is connected with the end of a cooling and dehumidifying coil 8 through a pipeline, and the other end of the cooling and dehumidifying coil 8 is connected with the water inlet of the water chilling unit 10 through a pipeline, so that a cold water circulation loop is formed;
the flow divider 9-1 is connected with a pipeline between the second water pump 2-2 and the cooling and dehumidifying coil 8, the mixed flow valve 9-2 is connected with a pipeline between the cooling and dehumidifying coil 8 and the water chilling unit 10, the middle interface of the flow divider 9-1 is also connected with a pipeline between the water pump 2-1 and the heating coil 3 by a bypass, and the middle interface of the mixed flow valve 9-2 is also connected with a pipeline between the heating coil 3 and the water chilling unit 1 by a bypass.
Still include high efficiency filter 7, high efficiency filter 7 installs in the pressurization oxygen cabin air intake. The inside of the pressurized oxygen chamber is also provided with a temperature sensor 5 and a humidity sensor 6.
The output ends of the temperature sensor and the humidity sensor are electrically connected with the input end of the controller; the output end of the controller is respectively and electrically connected with the input ends of the flow dividing valve and the mixed flow valve.
The air port of the magnetic coupling fan 4 is positioned in the air outlet of the pressurized oxygen cabin, and the motor of the magnetic coupling fan is positioned outside the pressurized oxygen cabin.
1. Operation process of medical air pressurization oxygen cabin cooling working condition system
The water chilling unit 10 provides refrigerant water which is sent into the cooling and dehumidifying coil 8 in the pressurizing oxygen chamber through the second water pump 2-2, air in the pressurizing oxygen chamber is powered by the magnetic coupling fan 4, filtered by the high-efficiency filter 7, cooled and dehumidified by the cooling and dehumidifying coil 8, and cooled and dehumidified in the pressurizing oxygen chamber.
2. Operation process of medical air pressurization oxygen cabin heating working condition system
The hot water unit 1 supplies hot medium water to the heating coil 3 in the pressurized oxygen cabin through the water pump 2-1, air in the pressurized oxygen cabin is powered by the magnetic coupling fan 4, filtered by the high-efficiency filter 7, and heated by the heating coil 3 to heat the pressurized oxygen cabin.
3. Operation process of dehumidification working condition system of medical air pressurization oxygen cabin
The air in the pressurized oxygen cabin is filtered by the high-efficiency filter 7 through power provided by the magnetic coupling fan 4, is cooled and dehumidified by the cooling and dehumidifying coil 8, and is heated by the heating coil 3. The air in the pressurized oxygen cabin achieves the effects of firstly cooling and dehumidifying, and then heating to keep the temperature in the pressurized oxygen cabin unchanged and the humidity reduced.
4. Temperature control operation process of medical air pressurization oxygen chamber environment control system
The environmental control system of the pressurized oxygen cabin measures the temperature and humidity data in the pressurized oxygen cabin in real time through the temperature and humidity sensors 5 and 6. The cold and hot water units 1 and 10 provide cold and hot sources according to set temperature and humidity index requirements, and cold and hot quantities entering the cabin are controlled through the flow dividing valve 9-1 and the mixed flow valve 9-2 to adjust the temperature and the humidity in the cabin. The air in the pressurized oxygen cabin is firstly filtered by the high-efficiency filter, then cooled and dehumidified by the cooling and dehumidifying coil and finally heated by the heating coil. The input amount of cold and hot load in the cabin is adjusted by accurately controlling the amount of cold and hot water entering the two heat exchange coil pipes through a flow dividing valve and a mixed flow valve in a proportional-integral manner, so that the constant control of the temperature and the humidity in the pressurized oxygen cabin is ensured. The system has the functions of refrigeration, heating and dehumidification, can realize rapid temperature rise and drop so as to offset the temperature change caused by rapid temperature rise and decrease in the pressurized oxygen chamber in the pressurizing and depressurizing processes, and can realize relatively constant temperature environment during stable oxygen inhalation in the pressurized oxygen chamber.
The above embodiments are not limited to the scope of the present invention, and all modifications or variations based on the basic idea of the present invention are included in the scope of the present invention.
Claims (4)
- The medical air pressurization oxygen chamber environment control system is characterized by comprising a cooling dehumidification coil, a heating coil and a magnetic coupling fan, wherein the cooling dehumidification coil is installed in the pressurization oxygen chamber corresponding to an air inlet, the heating coil is installed in the pressurization oxygen chamber corresponding to an air outlet, the magnetic coupling fan is installed in the pressurization oxygen chamber air outlet, and the system further comprises a hot water unit, a cold water unit, a water pump, a second water pump, a flow divider valve and a mixed flow valve, wherein:the water outlet of the hot water unit is connected with the water inlet of an th water pump through a pipeline, the water outlet of a th water pump is connected with the end of a heating coil through a pipeline, and the other end of the heating coil is connected with the water inlet of the hot water unit through a pipeline, so that a hot water circulation loop is formed;the water outlet of the water chilling unit is connected with the water inlet of a second water pump through a pipeline, the water outlet of the second water pump is connected with the end of the cooling and dehumidifying coil through a pipeline, and the other end of the cooling and dehumidifying coil is connected with the water inlet of the water chilling unit through a pipeline, so that a cold water circulation loop is formed;the shunt valve is communicated with and connected to pipelines between the second water pump and the cooling and dehumidifying coil, the mixed flow valve is communicated with and connected to pipelines between the cooling and dehumidifying coil and the water chilling unit, the intermediate interface of the shunt valve is also communicated with and connected to pipelines between the th water pump and the heating coil in a bypass mode, and the intermediate interface of the mixed flow valve is also communicated with and connected to pipelines between the heating coil and the water chilling unit in a bypass mode.
- 2. The medical air-pressurized oxygen chamber environmental control system of claim 1, further comprising a high efficiency filter installed in the pressurized oxygen chamber air intake.
- 3. The medical air pressurization oxygen chamber environmental control system of claim 1, wherein a temperature sensor and a humidity sensor are further disposed inside the pressurization oxygen chamber, the output ends of the temperature sensor and the humidity sensor are electrically connected with the input end of the controller, and the output end of the controller is electrically connected with the input ends of the shunt valve and the mixed flow valve, respectively.
- 4. The medical air pressurization oxygen chamber environmental control system of claim 1, wherein the air inlet of the magnetic coupling blower is located in the air outlet of the pressurization oxygen chamber, and the motor of the magnetic coupling blower is located outside the pressurization oxygen chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911113090.4A CN110731873A (en) | 2019-11-14 | 2019-11-14 | medical air pressurization oxygen cabin environment control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911113090.4A CN110731873A (en) | 2019-11-14 | 2019-11-14 | medical air pressurization oxygen cabin environment control system |
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| CN110731873A true CN110731873A (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911113090.4A Pending CN110731873A (en) | 2019-11-14 | 2019-11-14 | medical air pressurization oxygen cabin environment control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114224648A (en) * | 2021-11-15 | 2022-03-25 | 青岛海尔空调器有限总公司 | Method and device for controlling cabin pressure of oxygen cabin, oxygen cabin and storage medium |
| CN116831843A (en) * | 2023-06-27 | 2023-10-03 | 金陵科技学院 | Micro-hyperbaric oxygen chamber with independent temperature and humidity adjusting function |
-
2019
- 2019-11-14 CN CN201911113090.4A patent/CN110731873A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114224648A (en) * | 2021-11-15 | 2022-03-25 | 青岛海尔空调器有限总公司 | Method and device for controlling cabin pressure of oxygen cabin, oxygen cabin and storage medium |
| CN114224648B (en) * | 2021-11-15 | 2024-05-24 | 青岛海尔空调器有限总公司 | Method and device for controlling pressure of oxygen cabin, oxygen cabin and storage medium |
| CN116831843A (en) * | 2023-06-27 | 2023-10-03 | 金陵科技学院 | Micro-hyperbaric oxygen chamber with independent temperature and humidity adjusting function |
| CN116831843B (en) * | 2023-06-27 | 2024-04-05 | 金陵科技学院 | Micro-hyperbaric oxygen chamber with independent temperature and humidity adjusting function |
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