FR2509847A1 - REFRIGERANT HOUSEHOLD APPLIANCE, PARTICULARLY REFRIGERATOR, FREEZER, OR LIKE APPARATUS - Google Patents

Abstract

THE INVENTION CONCERNS REFRIGERANT HOUSEHOLD APPLIANCES INCLUDING A REFRIGERANT CIRCUIT INCLUDING A CONDENSATION COIL IN THE AIR CROSSED BY A REFRIGERANT FLUID PROVIDED BY A COMPRESSOR. THE TECHNICAL PROBLEM IS TO RECOVER THE DISSIPATED HEAT. THE REFRIGERANT APPLIANCE ACCORDING TO THE INVENTION INCLUDES A NEW COIL 12 OR AUXILIARY COIL, CONTAINED IN A WATER TANK 13 AND CONNECTED TO THE COIL 11 FOR CONDENSATION IN THE AIR AS WELL AS BYPASS VALVE 11 18 FOR THE COIL CONDENSATION IN AIR. THE INVENTION APPLIES IN PARTICULAR TO HOUSEHOLD REFRIGERATORS.

Description

1 -

  "Refrigerating household appliances, in particular refrigerated

  The present invention relates to an appliance, in particular of the type of a refrigerator, a freezer or a combined refrigerator-freezer, comprising

  a refrigerant circuit with a condensation coil

  in the air flowing through a refrigerant supplied by

a compressor.

  It is known that in electromechanical

  In this type of swimming pool, a refrigeration cycle is provided by a compressor that sucks and compresses a refrigerant in a condensation coil in the air; from this coil, the condensed refrigerant passes into an evaporator where it relaxes producing the cold, to finally return to the compressor The heat inevitably provided by the compressor

  and by the condensing coil is dissipated into the atmosphere

  ambient phère with a clear waste of energy.

  The problem which is the basis of the present invention is to imagine a household appliance of the type

  specified that has structural and functional characteristics

  to overcome the above-mentioned disadvantage with

reference to the known technique.

  This problem is solved by a household appliance of the specified type which is characterized by the fact that it comprises a new coil, or auxiliary coil, contained in a water tank and connected to the heating coil.

  condensation in the air, as well as valve means for

  for the condensation coil in the air.

  The water reservoir is advantageously

  close contact with the compressor.

  Other features and advantages of the appliance according to the invention will emerge

  of the description of a given preferred embodiment

  Hereinafter, by way of example only, with reference to the accompanying drawing, in which: FIG 1 is a schematic view of an appliance according to the invention; FIG. 2 is a view partly in section of a feature of the household appliance shown in FIG. 1, and FIG. 3 is a schematic view of a

  variant of the appliance shown in Fig 1.

  In the attached drawing, the reference 1 indicates

  overall, in a schematic way, an electronic device

  Domestic appliance 1 comprises, in a supporting structure 2, a refrigerating circuit comprising a compressor 3, a condenser 4, a capillary tube 5 and an evaporator 6, connected to each other by means of a refrigerator. indicated pipes

  all by the number 7 The compressor 3 comprises a half

  lower shell 8 and an upper half-shell 9 juxtaposed against each other to form the envelope of the compressor, the lower half-shell being provided with feet 10 for fixing the compressor to the supporting structure 2. The condenser 4 is formed of a serpentine

condensation 11 in the air.

  The appliance 1 according to the invention

  tion comprises a new coil or auxiliary condensing coil 12 placed on the portion of the pipe 7 located between the compressor 3 and the condensation coil in the air 1

and connected thereto in series.

  The coil 12 is contained in a reservoir

  see water 13 whose wall 14 has a portion 14 having the shape of the upper half-shell 9 of the compressor 3 and adjusted in close contact therewith; the remaining part 14b is provided with a heat-insulating coating 15 The water tank 13 is provided with an inlet pipe 16a for the water coming from the distribution network and an outlet pipe 16 for sampling water from the tank, for example to 3 -

hygienic-sanitary use.

  17 denotes a pipe connected to the pipe 7 in parallel with the coil 11, while 18 designates valve means, for example a solenoid valve, placed at the bend of the bifurcation between the pipe 7 and the pipe 17 upstream of the coil 11, and enslaved to a thermostat, not shown, q

  is sensitive to the temperature of the water in the tank 13.

  The operation of the electronic device

  1 is described hereinafter with reference to an initial state in which the water contained in the tank 13 is heated by the heat dissipated by the auxiliary coil 12 and the compressor 3, at a temperature below that at which the thermostat In this state, the electrovve sends the refrigerant fluid in the pipe 17 and the condensing rod in the air 11 is derived. Only the condensing serpen 12 is therefore active to condense the refrigerant and any the heat of condensation is consequently transferred to the water of the reservoir, which continues to flow as samples are taken, for example for hygienic and sanitary purposes. When, as a result of an insufficient sample, the temperature of the the water in the tank reaches and exceeds the temperature of intervention of the thermostat, it intervenes to ccmmute the solenoid valve, making active the condensation coil in the air 11 o is carried out the con sation, which guarantees the operation of the refrigerated cycle As soon as the temperature of the water in the tank falls below the temperature of intervention of the thermostat, either as a result of effective taking of hot water, or by a cooling natural, the switching of the solenoid valve intervenes again to restore the appliance

  in its initial conditions mentioned above.

  FIG 3 illustrates a variant of the appliance appliance according to the invention not to complicate

  the description, the parts of FIG. 3 which are entirely

  similar to those in figs 1 and 2, are designated by the same reference numerals assigned an index "a" and

  In particular, in the electronic apparatus

  3, the auxiliary condensing coil 12a, instead of being placed on the portion of the pipe situated between the compressor and the condensation coil in the air, is placed on the pipe 17a According to the variant illustrated in FIG. this variant, the condensation coil in the air and the

  condensing coil in the water are connected in parallel

  instead of being connected in series; nothing essential

  changes in operation.

  The main advantage of the electronic device

  in accordance with the invention lies in the fact that

  to recover the energy dissipated by the refrigerant circuit

  during condensation and compression, and provides hot water for, for example, hygienic and sanitary purposes.

  In addition to this, in the electronic device

  condensation, carried out more efficiently by means of the condensation coil in water, results in an improvement of the

  operation of the refrigerant circuit.

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Claims (4)

  1 Refrigerating appliance, in   particular refrigerator, freezer or refrigerator-freezer   combined reactor, comprising a refrigerant circuit comprising a condensation coil in the air through which a refrigerant fluid supplied by a compressor, characterized in that it comprises a new coil (12) or auxiliary coil, contained in a water tank (13) and connected to the air condensation coil (11) and bypass valve means (18) of the air condensation coil (11). Domestic appliance according to Claim 1, characterized in that the water tank   is in close contact with the compressor (3). 3 Next household appliance   one of claims 1 and 2, characterized in that the   new coil (12) and condensing coil (11)   in the air are connected in series.   4 Appliance according to one   claims 1 and 2, characterized in that the new   coil (12) or auxiliary coil and the coil of   condensation in the air (11) are connected in parallel.