FI109782B - Air conditioning system for ships - Google Patents

Description

109782

The present invention relates to an air conditioning system for a ship's cabins, consisting essentially of an air conditioner having one or more zone batteries from which the supply air is supplied to the cabins by means of supply air ducts and is a cabin-specific air volume regulator equipped with a radiator that regulates and cools the supply airflow.

10

Previously known solutions are so-called. A 1-pipe system in which the supply air from the central heating is supplied in a heat-insulated duct. Channels are bulky and expensive compared to uninsulated channels. It has been found that this system wastes energy because of the constant flow of air into the cabins. The 1-tube system 15 often uses an electric post-heating radiator mounted on the cabin. Electric heating is about 4-5 times more expensive than consuming energy with the present invention. Another disadvantage of said 1-pipe system is that most of the exhaust air goes from the cabin to the cabin corridor. The so-called 2-pipe system also has the same disadvantages mentioned above.

20

The third known air conditioning system is the Fancoil system, which consists of a circulating air instrument, ie a cleanHin coil system. The disadvantage of this system known per se is that the amount of fresh air is very small. Supply air from the central instrument is introduced in a heat insulated duct. The channels are bulky and expensive compared to uninsulated channels. It has also been found that there is fan noise in the system and that condensation water problems may also occur. The device also has energy. * · Consuming electric after-heating radiator. The system has many service items such as fan, filter, reheater, radiator and 3-way valve.

The object of the invention is to eliminate the above disadvantages. The air conditioning system according to the invention is characterized in that the cabin has a second cabin-specific ·. ; air volume regulator, with a regulator, such as a damper, that automatically adjusts the exhaust air flow in parallel with the supply air flow. Various embodiments of the invention are set forth in the other dependent claims.

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The air conditioning system according to the invention has the following advantages: the supply air ducts are uninsulated, each cabin has a temperature control specific to each cabin, 5 - the air quality remains good compared to the Fancoil system; , exhaust air is not led into the corridor (no smoke problems in case of a cabin fire or vice versa), no condensation water problems inside the cabin when the exterior door or window is opened; Airflow is controlled by cabin temperature and / or CO 2 concentration. An empty cabin has a minimum of ventilation.

15

The invention will now be described, by way of example, with reference to the accompanying drawing, in which Fig. 1 is a schematic view of a ship's cabins, cabin aisles and an air conditioning unit, and Fig. 2 is a top view of one of the cabins.

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The air conditioning system consists of an air conditioning machine 1 with the required amount, • · ·; '; In this example, three zone batteries 2 from which the supply air is supplied to the supply air »* · 1 · ': 25 through the channels 3 to the cabins 4. There are cabin passageways 5 between the cabins 4. Each cabin 4 has an air volume control 6 per cabin regulate the supply air flow.

: '·· The adjustment is made by means of a damper 7, known per se. The damper has a silencer 8 and a supply air grille 9. This second air volume regulator 30 also has an exhaust air grille 11, a silencer 12 and an air ·; ·. volume control damper 13. The supply air volume control is provided with a cooling coil 14. The supply air volume control 6 is located on the ceiling of the cabin 4 toilet module.

• Exhaust air volume regulator 10 is located in the upper foot of the cabin cabinet. The supply air flow is controlled by a sensor 16 mounted in the cabin. The sensor is a cabin thermostat and a CO 2 sensor.

The supply air from the central unit 1 is supplied through the zone battery 2 via a duct 3 to the cabins. The air temperature is at a minimum of +18 ° C. The air in the radiator cools down to 14 3 109782 + 14 degrees. The damper 7 is adjusted according to the message of the sensor 16. Air is blown through the silencer 8 and the supply air grille 9 to the cabin 4. The exhaust belt exits through the grille 11 and the silencer 12 to the damper 13, which serves as a "slave" to the supply air damper. The toilet module is provided with an exhaust air valve 15, which removes a constant amount of constant air. The supply air temperature can range from + 18 ° C to + 25 ° C, depending on the cabinet thermostat setpoints, time of day and outdoor temperature. The setpoint for all cabin thermostats can be changed eg ± 3 ° C. The setpoint is normally + 21 ° C. All sensors 16 are coupled to the central automation system and thereby to the air conditioning unit 1. Each outer edge and interior cabin is served by a dedicated zone-10 battery 2.

An electric post-heating radiator can be added to the supply air unit if necessary. The C02 sensor and control can also be omitted due to the high cost.

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Claims (5)

109782; 1. Vessel air conditioning system intended mainly for ship cabins II-! for masting, consisting of an air conditioning machine (1) having one or more ampoules of zone batteries (2) from which the supply air is supplied to the 5 cabins (4) by the supply air ducts (3), and each cabin (4) is provided with a air volume regulator (6) for controlling and cooling the supply air flow, characterized in that the cabin (4) has a second cabin-specific air volume regulator (10) whose regulating device, such as a damper (13), automatically adjusts the exhaust air flow rate in parallel with the supply air flow. 10 Air conditioning system according to claim 1, characterized in that the supply air volume control (6) is located on the ceiling of the cabin module (4). Air-conditioning system according to claim 1 or 2, characterized in that the exhaust air volume control (10) is disposed in the upper base of the cabin (4). Air-conditioning system according to one of the preceding claims, characterized in that the supply air flow is controlled by means of a cabin thermostat and a CO2 sensor (14) installed in the cabin. 20 The air conditioning system of claim 4, characterized in that. “: The cabin thermostat and the CO2 sensor are connected to the vessel via a fairway and an air conditioning system; '· System automation system. • ♦ • t »· • · 1 · · 5 109782