RU2538520C1 - Natural conditioner - Google Patents

Abstract

FIELD: ventilation.

SUBSTANCE: natural conditioner using the cold of ever-frozen grounds, comprises a coil located in ever-frozen ground at the depth up to 3-5 m and connected to the air exchange close-loop pipeline, fitted with inlet shutter and arranged along the perimeter of cooled premises. Meanwhile the circulation of cooled air over the pipeline is performed using the pump with the automatic ambient temperature on-off controller, embedded into the integrated cooling system.

EFFECT: present invention ensures efficient air conditioning in premises in summer time at insignificant power costs of cold generation.

1 dwg

Description

The invention relates to the field of air conditioning, in particular to equipment for air conditioning in the premises in the summertime in areas of permafrost distribution.

In the northern regions, which have a sharply continental climate, characterized by significant annual temperature differences (up to 100-110 ° C), in summer the air temperature often rises to + 40 ° C, which leads to heating of the walls of the building from the sun like a “stone stove”, which do not have time to cool over night. In this case, to ensure favorable living conditions, issues of creating conditions for effective cooling of the premises become relevant. In this case, the effective operation of cooling devices must be ensured in uninterrupted mode.

A known installation for cooling, functioning due to the convention of liquids in coolants, where the cold of outdoor air in winter accumulates in liquids, which in general is a cold accumulator with liquid cooling and heat transfer from the cold chamber to the accumulator (see RU No. 2073819, F25D 3 / 00, F25D 7/00, 02.20.1997). The disadvantages of the installation are the high cost of the refrigerant, which provides the accumulation of cold, and significant energy consumption in General when the device is functioning.

Known air conditioning with improved distribution of air in the room along the walls through the use of a suspended ceiling, struts between the wall and the mounting shaped profile, allowing to let in the treated air around the entire perimeter of the room (see RU No. 2272967, F24F 7/10, 10.10.2004). In this case, the method of converting air conditioning from warm to cold, which is used to cool the room, is quite traditional and ineffective in conditions of stable hot weather.

The closest claimed technical solution is a device for accumulating cold, which functions due to intensive heat exchange in a tank of water placed in the ground, where layer-by-layer freezing of ice is carried out artificially (see RU No. 2191958, F28B 9/06, 10.27.2002). The device has a complex and energy-consuming design, creating conditions of natural cold.

The problem to which the claimed invention is directed is expressed in the use of the natural cold of permafrost soils for air conditioning in rooms in the summer.

The technical effect obtained when solving the problem is expressed in simplifying the device for air conditioning and reducing energy consumption for the production of cold in the summer.

To solve this problem, a natural air conditioner uses the cold of permafrost soils, and its device includes a coil placed in permafrost soil to a depth of 3-5 m and connected to a closed-loop air exchange pipe equipped with an inlet damper and placed around the perimeter of the refrigerated premises. In this case, the circulation of chilled air through the pipeline is carried out using a pump with an automatic on-off controller for ambient temperature, mounted in a common cooling system. In addition, the coil is made with outlet openings in and out for air supply.

A comparative analysis of the features of the claimed solution with the signs of the prototype and analogues indicates the conformity of the claimed solution to the criterion of "novelty."

The combination of features of the invention provides a solution to the claimed technical problem, namely the use of the natural cold of permafrost soils for air conditioning in rooms throughout the summer period. It is known that at a depth of at least 3 m in permafrost soils a constant negative temperature of minus 6 ° C is maintained year-round.

The claimed invention is illustrated in the drawing, which schematically shows the device of a natural air conditioner.

The drawing shows a coil 1 placed directly in the ground to a depth of at least 3-5 m and connected to a pipe 2 in which a pump 3 and a controller 4 are mounted. The controller turns on the pump in automatic mode, depending on the ambient temperature. Cooled air is forcedly circulated in a closed cycle of the pipeline 2 and, if necessary, is distributed through the damper 5 around the entire perimeter of the room (see drawing).

The device operates as follows.

In the summer period of time, for example, at temperatures above 20 ° C, controller 4 automatically turns on pump 3 and the air cooled from the coil 1, placed to a depth of 3-5 m in the permafrost soil, is cooled into the closed loop pipelines 2 placed around the perimeters of the refrigerated premises. In this case, the intake of chilled air is carried out by opening the shutter 5. At an ambient temperature below 20 ° C, the supply of chilled air is stopped by automatically shutting down the pump 3.

The technical and economic effect of the invention is determined by a comparative calculation of the energy consumption of a standard electric air conditioner and the claimed device for cooling air.

So, when using a standard air conditioner with a capacity of 3 kW in the summer period in the conditions of the Republic of Sakha (Yakutia) (an average of 333 hours), the energy consumption is 999 kW. While the energy consumption of a natural air conditioner operating with a 350 W pump will be 115.5 kW over the summer period. The device according to the claimed invention consumes 8.6 times less electricity compared to the costs of a standard air conditioner.

Claims (1)

A natural conditioner for using the cold of permafrost soils, including a coil placed in permafrost soil to a depth of 3-5 m and connected to a closed-loop air exchange pipeline equipped with an inlet damper and placed around the perimeter of the refrigerated premises, while the means for circulating cooled air is made in the form a pump with an automatic on-off controller for ambient temperature.