KR20220068289A - Air Sterilization System For Hospital Room In Ship - Google Patents

Abstract

Disclosed is an air sterilization system for a hospital room in a ship that provides a separate isolation room in a ship, sterilizes air supplied to and discharged from a hospital room of the ship, and controls air flow so that the hospital room is in a negative pressure state. According to the present invention, the air sterilization system for a hospital room in a ship comprises: a hospital room adjacent to the ship's cabin but independently disposed on an upper deck of the cabin; an isolation room disposed adjacent to the hospital room but separated from the hospital room; an air supply line supplying air to the hospital room and the isolation room; a dedicated air conditioner unit provided in the air supply line; and a filter unit provided in the air supply line and sterilizing and purifying the air to be supplied to the hospital room and the isolation room, and supplying the air to the dedicated air conditioner unit.

Description

Air Sterilization System For Hospital Room In Ship

The present invention relates to an air sterilization system for a hospital room for a ship, and more particularly, by providing an isolation room separate from the general hospital room in preparation for the occurrence of respiratory-related patients in a ship, and supplying sterilized and purified air to the hospital room and the isolation room 2 It relates to an air sterilization system for a ward for a ship for preventing car-infection and the spread of viruses on board.

As COVID-19 recently occurred and spread around the world, there is a need for measures to prevent the spread of the virus through respiratory tract even in ships.

In particular, when a respiratory virus patient occurs in a ship, the virus spreads through the cabin due to the nature of the ship, which is isolated from the outside for a long time and lives in a confined space, and the risk of infection is high. In Korea, as well as in Busan, numerous cluster infections have occurred in warships, passenger ships, and cargo ships, confirming that the virus spreads particularly rapidly from ships. Therefore, there is a need for a method to block viral infection through respiratory tract in ships.

In the prior art, it was limited to providing a hospital room in the ship in preparation for the occurrence of a patient in the ship. In most ships, hospital rooms are equipped with beds that can accommodate patients, but a centralized air conditioning system that shares the air conditioning system with other cabins in the ship is applied, so it is difficult to isolate patients infected with highly contagious viruses on board. It was not easy, and in particular, when a patient with a respiratory disease occurs, the air in the hospital room is also circulated through the duct, raising the risk of transmission to crew members and the risk of group infection.

The problem to be solved by the present invention is to provide a separate isolation room in the ship to prevent the spread of virus infection through the respiratory tract in the ship, sterilize the air supplied to and discharged from the ship's ward, and the ward to be in a negative pressure state. It is to provide an air sterilization system for a hospital room for a ship that can control the flow of air so that the

According to one aspect of the present invention for solving the above problems, but adjacent to the cabin of the ship, the hospital room is independently arranged on the upper deck (upper deck) of the residence;

an isolation room adjacent to the hospital room but separated from the hospital room;

an air supply line for supplying air to the hospital room and the isolation room;

a dedicated air conditioner unit provided in the air supply line; and

A filter unit provided in the air supply line to sterilize and purify the air to be supplied to the hospital room and isolation room and supply it to the dedicated air conditioner unit.

Preferably, the filter unit includes: a pre-filter for filtering out large particles of foreign matter, including dust and pollen, from the air introduced from the outboard; and a HEPA filter for filtering out foreign substances having small particles, including fine dust and ultra-fine dust, from the air that has passed through the pre-filter.

Preferably, the dedicated air conditioner unit may be provided with a plasma sterilizer that sterilizes the air filtered through the pre-filter and the HEPA filter, filters out ultrafine dust, and supplies it to the hospital room and isolation room.

Preferably, the air supply line includes: a hospital room supply line for supplying air supplied from the dedicated air conditioner unit to the hospital room; and an isolation room supply line for supplying the air supplied from the dedicated air conditioner unit to the isolation room: a nonreturn valve is provided in the hospital room supply line and the isolation room supply line to prevent the inflow of air between the hospital room and the isolation room. can

Preferably, an air discharge line provided to suck the internal air of the hospital room and the isolation room and discharge the outboard; an exhaust fan provided in the air exhaust line; and an ultraviolet sterilizer provided upstream of the exhaust fan in the air discharge line to sterilize the air discharged from the hospital room and the isolation room.

Preferably, the air discharge line includes: a hospital room discharge line for sucking the internal air from the hospital room and the hospital room toilet and transferring it to the UV sterilizer; and an isolation room discharge line that sucks internal air from the isolation room and the isolation room toilet and transfers it to the UV sterilizer, wherein a nonreturn valve is provided in the hospital room discharge line and the isolation room discharge line to introduce air between the hospital room and the isolation room can prevent

Preferably, the dedicated air conditioner unit is provided with a blowing fan for supplying air to the hospital room and isolation room through the air supply line, and an amount of air greater than a flow rate of air supplied to the hospital room and isolation room through the blowing fan is discharged outboard from the hospital room and isolation room through the exhaust fan, so that the hospital room and isolation room can be maintained in a negative pressure state.

According to the present invention, by arranging a ward for general patients and an isolation room for patients with infectious virus, separated from the cabin of the ship, patients who have occurred on board and those who are likely to spread infection are safely isolated from the crew for a certain period of time can do it In particular, by providing the ward and isolation room separately, it is possible to prevent exposure of a patient who may be vulnerable to infection to an infectious virus.

In addition, a dedicated air conditioner unit for the hospital room and isolation room is provided to separate it from the air conditioning system of the general cabin, and the air supplied to the hospital room and isolation room is sterilized and purified through two types of filters and sterilizers and supplied, and is discharged from the room. The air is sterilized and discharged to prevent the spread of viruses and infectious diseases in the ship, prevent secondary infection of the patient, and provide treatment in a comfortable environment.

1 schematically shows an air sterilization system for a hospital room for a ship according to an embodiment of the present invention.

In order to fully understand the operational advantages of the present invention and the objects achieved by the practice of the present invention, reference should be made to the accompanying drawings illustrating preferred embodiments of the present invention and the contents described in the accompanying drawings.

Hereinafter, the configuration and operation of the preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. Here, in adding reference signs to the elements of each drawing, it should be noted that only the same elements are indicated by the same reference signs as possible even if they are indicated on different drawings.

In addition, when it is said that a component is 'connected', 'supported', 'connected', 'supplied', 'transferred', or 'contacted' to another component, it is directly connected, supported, connected, It should be understood that supply, delivery, and contact may occur, but other components may exist in between.

The terminology used herein is only used to describe specific embodiments and is not intended to limit the present invention. The singular expression includes a plurality of expressions unless the context clearly indicates otherwise, and in the present specification, expressions such as upper side, lower side, side, etc. are described with reference to the drawings in the drawings, and may be expressed differently if the direction of the object is changed.

1 schematically shows an air sterilization system for a hospital room for a ship according to an embodiment of the present invention.

As shown in Fig. 1, in the ship of this embodiment, the isolation room (I) that can accommodate infectious virus patients or quarantined persons with suspicious symptoms is separated from the general cabin together with the hospital room (H) that can accommodate general patients. to prevent the spread of the virus in the ship by maintaining a negative pressure state while supplying air to the hospital room and the isolation room through the dedicated air conditioning unit 100 .

As shown in Figure 1, the ward for general patients (H) and the isolation room for infectious disease (I) are adjacent to the general cabin of the ship and independent on the upper deck of the residence so that it can be separated from the general crew. placed as

Beds and various furniture are arranged so that the patient or quarantined person can live independently in the hospital room (H) and isolation room (I). or to deliver goods. In addition, dedicated toilets (Ht, It) can be installed inside the hospital room (H) and isolation room (I).

For quarantined persons who need to be separated from general crew members and general patients, such as seafarers who have come into close contact with confirmed patients or boarded a ship from an area where there is a risk of virus infection, they should be quarantined in the isolation room (I) for about 14 days.

In addition, in the hospital room (H) or isolation room (I), a plurality of beds are provided to accommodate a plurality of patients and quarantined persons, and a wall, a ceiling, and a door are separately installed between each bed. Thus, it is possible to form a plurality of spaces separated from the outside based on each bed. Accordingly, the patient or quarantined person residing in the hospital room (H) or isolation room (I) can block contact with general sources, and direct contact between the patient and the quarantined person can also be blocked.

On the other hand, an air conditioning system is provided in the ship, and air of a specified temperature and humidity is supplied to each area through an air conditioner. The air circulated through each space in the ship is returned to the air conditioner or, if necessary, discharged to the outside.

In this embodiment, a separate air conditioning system for the ward and isolation room is provided, so that more strictly sterilized and purified air can be supplied to a space with general patients and infectious virus patients who may have low immunity. In addition, it is possible to prevent the spread of diseases in the ship by maintaining the negative pressure state of the ward and isolation rooms, preventing the inflow of air between the wards and the isolation rooms, and exhausting the indoor air from the wards and the isolation rooms through a purification device.

Looking at the air sterilization system of this embodiment for this purpose, first, an air supply line (SL) for supplying air to the hospital room and isolation room is provided, and the air supply line has a dedicated air conditioning unit for the hospital room and isolation room separately from the general cabin and common space. (100) is provided.

The air supply line SL is provided with a filter unit that sterilizes and purifies the air to be supplied to the hospital room and isolation room and supplies it to the dedicated air conditioning unit. A pre-filter 110 that filters out, and a HEPA filter 120 that filters out small particles of foreign matter, including fine dust and ultra-fine dust, from the air firstly purified through the pre-filter It is composed of two types of filters.

In the dedicated air conditioner unit 100 , devices such as a compressor 140 , a condenser 150 , and an evaporator are provided. The air supplied to the dedicated air conditioner unit 100 through the pre-filter 110 and the HEPA filter 120 is adjusted to an appropriate temperature and humidity to be supplied into the room through each device of the dedicated air conditioner unit. In addition, the dedicated air conditioning unit is provided with a plasma sterilizer (Plasma sterilizer) (130). Plasma sterilizer can be provided as a device using hydroxyl radical (OH radical), sterilizes air filtered through two types of filters, decomposes volatile organic compounds (VOCs) in the air, and It can filter out ultrafine dust of 0.3㎛ or less and supply it to hospital rooms and isolation rooms.

The exclusive air conditioner unit 100 is provided with a blower fan 160, and the fresh air that has passed through two types of filters and each device in the air conditioner unit is transferred to the hospital room and isolation room through the air supply line SL.

Fresh air is uniformly supplied to each ward and isolation room through the hospital room supply line (HSL) and the isolation room supply line (ISL) branched from the air supply line (SL). Nonreturn valves (HVs, IVs) are provided in the ward supply line and the isolation room supply line to prevent air from flowing between the ward and the isolation room by backflowing the air inside the ward and isolation room into the piping.

On the other hand, an air discharge line (EL) for sucking in and discharging air inside the hospital room and isolation room is provided so that the air of the hospital room and isolation room can be discharged outboard, and an exhaust fan 210 is provided in the air discharge line, and the exhaust fan Air from the ward and isolation room can be forcibly exhausted to the outside by this.

In particular, since viruses and bacteria may be mixed in the air discharged from the hospital room and isolation room, an ultraviolet sterilizer 200 for sterilizing air is provided upstream of the exhaust fan 210 in the air discharge line (EL), and the hospital room and isolation room After sterilizing the air through the UV sterilizer, it is discharged outboard through the exhaust fan.

The air discharge line includes a hospital room discharge line (HEL) that sucks internal air from the hospital room and toilet (HELt) and transfers it to the UV sterilizer, and an isolation room that sucks internal air from the isolation room and isolation room toilet (IELt) and transfers it to the UV sterilizer. A discharge line (IEL) is included, and nonreturn valves (HVe, IVe) are provided in the hospital room discharge line and the isolation room discharge line to prevent backflow of air in the pipe to the hospital room and isolation room, and to Prevents air from mixing.

In addition, by taking out a larger amount of air than the air supplied into the hospital room and isolation room through the blowing fan 160 from the hospital room and isolation room through the forced blowing of the exhaust fan 210 and discharging it outboard, the hospital room and isolation room are negatively pressured (negative pressure). pressure), so that air from the wards and isolation rooms does not escape into any space other than the air exhaust line.

If necessary, the air exhaust line is installed as an independent duct, separated from the centralized cabin air conditioning system of the ship, so that the air discharged from the hospital room and isolation room can be discharged directly to the outside without mixing with the air in other general cabins. It can be configured to be discharged directly overboard without passing through other general cabins.

The present invention is not limited to the above embodiments, and it is apparent to those skilled in the art that various modifications or variations can be implemented without departing from the technical gist of the present invention. did it

H: hospital room
I: containment chamber
SL: air supply line
EL: air exhaust line
100: dedicated air conditioning unit
110: pre-filter
120: hepa filter
130: plasma sterilizer
140: compressor
150: condenser
160: blow fan
200: UV sterilizer
210: exhaust fan
HVs, HVe, IVs, IVe: non-return valve

Claims (7)

a hospital room adjacent to the ship's cabin, but independently disposed on the upper deck of the accommodation;
an isolation room adjacent to the hospital room but separated from the hospital room;
an air supply line for supplying air to the hospital room and the isolation room;
a dedicated air conditioner unit provided in the air supply line; and
A filter unit provided in the air supply line to sterilize and purify the air to be supplied to the hospital room and isolation room and supply it to the dedicated air conditioner unit. According to claim 1, wherein the filter unit
a pre-filter for filtering out large particles of foreign matter, including dust and pollen, from the air introduced from the outboard; and
Air sterilization system of a hospital room for a ship comprising: a HEPA filter for filtering out foreign substances with small particles, including fine dust and ultra-fine dust, from the air that has passed through the pre-filter. 3. The method of claim 2,
In the dedicated air conditioner unit, a plasma sterilizer is provided to sterilize the air filtered through the pre-filter and the HEPA filter, filter out ultrafine dust and supply it to the hospital room and isolation room. air sterilization system. According to claim 3, The air supply line,
a hospital room supply line for supplying air supplied from the dedicated air conditioner unit to the hospital room; and
The isolation room supply line for supplying the air supplied from the dedicated air conditioner unit to the isolation room is branched into:
The air sterilization system for a hospital room for a ship, characterized in that a nonreturn valve is provided in the hospital room supply line and the isolation room supply line to prevent air inflow between the hospital room and the isolation room. 4. The method of claim 3,
an air discharge line provided to suck the air inside the hospital room and the isolation room and discharge it outboard;
an exhaust fan provided in the air exhaust line; and
The air sterilization system of a hospital room for a ship further comprising: an ultraviolet sterilizer provided upstream of the exhaust fan in the air discharge line to sterilize the air discharged from the hospital room and the isolation room. 6. The method of claim 5,
The air discharge line may include: a hospital room discharge line that sucks internal air from the hospital room and the hospital room toilet and transfers it to the UV sterilizer; and an isolation room discharge line that sucks internal air from the isolation room and the isolation room toilet and transfers it to the ultraviolet sterilizer;
The air sterilization system for a hospital room for a ship, characterized in that a nonreturn valve is provided in the hospital room discharge line and the isolation room discharge line to prevent the inflow of air between the hospital room and the isolation room. 7. The method of claim 5 or 6,
The dedicated air conditioner unit is provided with a blowing fan for supplying air to the hospital room and isolation room through the air supply line,
A hospital room for a ship, characterized in that the air in an amount greater than the flow rate of the air supplied to the hospital room and the isolation room through the blowing fan is discharged from the hospital room and the isolation room through the exhaust fan, so that the hospital room and the isolation room are maintained in a negative pressure state. of air sterilization system.

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