ES2319283T3 - REFRIGERATOR FURNITURE READY FOR CONNECTION AND DISPOSAL OF REFRIGERATOR FURNITURE OF THIS TYPE. - Google Patents

Abstract

Refrigerator unit and / or freezer ready for connection, which has at least one condensation circuit with a condenser (V1) refrigerated with respect to the ambient air of the refrigerator unit and / or freezer ready for connection and at least one additional condenser (V2) , connected in parallel or in series, which is realized so that during its operation the medium that circulates in the condensation circuit can be cooled with respect to a fluid guided in a fluid pipe (9, 10), presenting the refrigerator cabinet and / or freezer ready for connection plus an ambient temperature sensor, the refrigerator and / or freezer unit being ready for connection being made so that it is possible to connect or disconnect the condenser (V1) cooled by ambient air and / or the condenser additional (V2) and / or open or close the fluid pipe (9, 10) depending on the temperature of the environment of the refrigerator and / or freezer cabinet ready for the determined connection Ada using the room temperature sensor.

Description

Refrigerator cabinet ready for connection and arrangement of furniture refrigerators of this type.

The invention relates to a refrigerator cabinet and / or freezer ready for connection that has at least one condensation circuit

In addition, the invention relates to a provision of at least two furniture refrigerators and / or freezers  ready for connection.

Also, the invention relates to a procedure for the operation of a refrigerator cabinet and / or freezer ready for connection or an arrangement of at least two furniture refrigerators and / or freezers ready for Connection.

For the concept "refrigerator furniture and / or freezer ready for connection "furniture is understood refrigerators and / or freezers that present all groups necessary for the generation of a cooling temperature (freezing) inside the furniture. Furniture refrigerators and / or freezers ready for connection of this type have the great advantage that they can be operated faster and simple and allowing high flexibility in the new Construction or renovation of a store.

However, hot condensing air that is generated in furniture refrigerators and / or freezers of this type comes out unregulated through capacitors of wrapping by condensing tubes fixed in the wrapping of the furniture or by air-cooled condensers directly to the furniture environment.

Having an accumulation of furniture refrigerators and / or freezers ready for connection, as is the normal case in supermarkets or hypermarkets, this leads to a increase in room temperature In particular during the months In summer, this can exceed a bearable degree, so you should air conditioning the environment to counteract it. However, here it is advantageous that during the heating period the furniture ready-to-connect refrigerators and / or freezers supply free of charge, although unregulated, heat.

The document CA-A-2 298 754 does not describe a piece of furniture refrigerator and / or freezer ready for connection but of a very generally a cooling system in which condenser coils are arranged in the usual way to outdoors, that is, outside the corresponding building. To compensate for temperature variations by the seasons of the year and to use the refrigerant in particular efficient, an outdoor temperature sensor is provided and, according to the outside temperature in each case, connect or disconnect other capacitors. All capacitors are refrigerated with respect to the outside ambient air.

The document WO-A-01/20234 refers to a combined device, which can be used for cooling As for water heating. For this purpose it presents a condensation circuit with a refrigerated condenser with respect to the ambient air and at least one additional condenser, which is carried out in such a way that during the service the medium that circulates in the condensation circuit you can heat the water in a fluid pipe The operation of the system is controlled in function of the temperature in the room to be cooled or depending on the temperature of the water to be heated.

The objective of the present invention is to indicate a refrigerator and / or freezer cabinet ready for connection generic that avoids the aforementioned inconveniences.

In addition, the present invention aims at of creating an arrangement of at least two furniture refrigerators and / or freezers ready for connection, as well as a procedure for the operation of a refrigerator and / or freezer cabinet ready for the connection that avoids the inconvenience above indicated.

To achieve this goal, a refrigerator and / or freezer cabinet ready for connection according to claim 1.

The arrangement according to the invention of at least two furniture refrigerators and / or freezers ready for connection It is characterized because the furniture refrigerators and / or freezers ready for connection are connected or can be connected through its fluid pipes with at least one central network of pipelines.

The method according to the invention for the operation of a refrigerator and / or freezer cabinet ready for the connection or an arrangement of at least two furniture refrigerators and / or freezers ready for connection according to claim 8.

If a pump is provided in the corresponding fluid pipe, the opening or closing of this fluid pipe because it connects or Disconnect the pump.

According to the invention, the condensation circuit of the refrigerator and / or freezer cabinet ready for connection It has at least one additional capacitor, connected in parallel or serially.

This is connected and / or can be connected with a fluid pipe, flowing or circulating in the fluid pipe preferably water and / or cooling salt water.

Through the fluid (s) above The heat of the furniture can be evacuated from the furniture refrigerator and / or freezer ready for the connection that occurs in the additional condenser. This greatly prevents a heat emission to the (immediate) environment of the refrigerator and / or freezer ready for connection.

In the case of the parallel connection of capacitor and additional capacitor, the capacitor (s) additional (s) is preferably arranged in a bypass pipe that bypasses the condenser of the condensation circuit

Through this furniture configuration refrigerator and / or freezer ready for connection according to invention, it is now possible to distribute the medium that circulates in the condensation circuit in any desired proportion between the condenser (proper) of the condensation circuit as well As the additional capacitor.

According to another advantageous furniture configuration refrigerator and / or freezer ready for connection, the pipeline fluid has a pipe coupling, preferably a quick coupling, through which you can connect to a network External pipes

For the concept "external pipe network" it is to be understood a network of pipes placed inside a shop, with which the refrigerator furniture can be connected and / or freezers ready for connection according to the invention through some fluid pipes. The external pipe network is connected in turn with heat exchangers and / or consumers arranged outside and / or inside the store, so that the heat evacuated from the furniture can be emitted or used In a suitable place.

The configuration described above has the advantage of that also in case of a new configuration of a supermarket or hypermarket can be disconnected or Quick and easy connection of furniture refrigerators and / or freezers ready for connection according to the invention with the network External pipes

Depending on the ambient temperature of the refrigerator and / or freezer cabinet ready for connection according to invention determined by the temperature sensor can subsequently make a connection or disconnection of the or capacitors proper (s) and / or at least one additional capacitor and / or an opening or closing of at least one fluid pipe

As a variant of the procedure according to invention for the operation of an arrangement of at least two furniture refrigerators and / or freezers ready for connection, being arranged in a store or a camera refrigerator, it is proposed that depending on the temperature in the store or in the cold room the heat evacuated is used by the external pipe network of at least one of the furniture refrigerators and / or freezers ready for connection to the heating and / or cooling of the store or chamber refrigerating

Next, the invention as well as others settings of this will be explained in more detail with help of the embodiment shown schematically in the figure.

This shows the substantial components of a condensation circuit, as done in furniture refrigerators and / or freezers ready for connection.

Via pipe 1, feed (the mixture de) refrigerant present in liquid form to evaporator K and evaporates in this respect to the cooling air stream that has if refrigerated, circulating in the refrigerator and / or furniture freezer. Then, (the mixture of) evaporated refrigerant is feeds the compressor 3 via the pipe 2 and, after having performed the compression, is fed by pipes 4, 6 and 8 to the condenser V1 (proper) of the condensation circuit. In a conventional condensation circuit, naturally it is possible to give up the 3-way valve 5. After re-condensing (the mixture of) refrigerant in the condenser V1, this is returned to feed through the pipe 1 to the evaporator K, as already previously described.

According to the invention, now at least an additional capacitor V2. This can be arranged connected in parallel or in series with the capacitor V1 itself of the condensation circuit

A connection mode represented in the figure by the 3-way valve 5 mentioned above as well as bypass pipe 7 allows a serial connection and also in parallel of the two capacitors V1 and V2 depending on the 3-way valve position 5.

The additional capacitor V2 is connected through a fluid pipe 9 and 10 with an external network of pipes not shown in the figure.

Usually in the fluid line is provided a circulation pump 11, which supports the transport of the fluid conducted by the additional condenser V2 inside The external pipe network.

As already mentioned above, with the connection mode of the two capacitors V1 and V2 represented in the figure, different procedures can be performed. In case of be closed pipe 6, (the mixture of) circulating refrigerant in the condensation circuit it can be passed, for example, in first by the additional capacitor V2 and then by the capacitor V1 itself. In case of being open the pipes 6 and 7, a distribution of (the mixture of) can take place refrigerant between the two condensers V1 and V2, while in If pipe 7 is closed, (the mixture of) refrigerant only  passes through the capacitor V1 proper of the circuit of condensation.

In case of only one parallel connection of the two capacitors V1 and V2, can dispense with the 3-way valve 5, as well as the pipe 6.

A downside of the refrigerator furniture and / or freezers ready for connection according to the invention are in that their production costs are higher compared to generic furniture, which does not have an additional condenser. Do not However, this inconvenience is compensated by the advantages related to the invention.

The invention creates the possibility of avoiding inconveniences related to the heat output so far no regulated in the case of furniture refrigerators and / or freezers ready for connection and get advantages at the same time Regarding the energy balance of a store.

Claims (9)

1. Refrigerator and / or freezer cabinet ready for connection, which has at least one condensation circuit with a condenser (V1) refrigerated with respect to the ambient air of the refrigerator and / or freezer cabinet ready for connection and at minus an additional capacitor (V2), connected in parallel or in series, which is made so that during its operation the medium that circulates in the condensation circuit can be cooled to a guided fluid in a fluid pipe (9, 10), presenting the refrigerator and / or freezer unit ready for connection also an ambient temperature sensor, being made the furniture refrigerator and / or freezer ready for connection so that it is possible to connect or disconnect the condenser (V1) cooled by ambient air and / or the additional condenser (V2) and / or open or close the fluid line (9, 10) depending on the temperature of the furniture environment refrigerator and / or freezer ready for the determined connection using the room temperature sensor. 2. Refrigerator and / or freezer cabinet ready for connection according to claim 1, which has two or more additional condensers, characterized in that the additional capacitors (V2) are connected in parallel and / or in series with respect to the condenser (V1) of the circuit of condensation and / or with respect to the additional capacitor (V2). 3. Refrigerator and / or freezer unit ready for connection according to claim 1 or 2, characterized in that in case of the parallel connection of the condenser (V1) and the additional condenser (V2) the additional condenser (V2) is arranged in a bypass pipe (7) bypassing the condenser (V1) of the condensation circuit 4. Refrigerator and / or freezer cabinet ready for connection according to one of the preceding claims 1 to 3, characterized in that the fluid pipe (9, 10) has a pipe coupling, preferably a quick coupling, by which it can be connected with An external network of pipes. 5. Arrangement of at least two furniture refrigerators and / or freezers ready for connection according to one of the preceding claims 1 to 4, characterized in that the furniture refrigerators and / or freezers ready for connection are connected and / or can be connected via their pipes of fluid (9, 10) with at least one external pipe network. 6. Arrangement of at least two furniture refrigerators and / or freezers ready for connection according to claim 5, characterized in that the external pipe network has water and / or cooling salt water as a fluid. 7. Arrangement of at least two furniture refrigerators and / or freezers ready for connection according to claim 5 or 6, characterized in that the external network of pipes is connected and / or can be connected with at least one heat / cold consumer. 8. Procedure for the operation of a refrigerator and / or freezer cabinet ready for connection in a store, presenting the refrigerator and / or freezer furniture a condenser (V1) refrigerated with respect to ambient air in the store and at least one additional capacitor (V2), connected in parallel or in series, which is made so that during its operation the medium that circulates in the condensation circuit can be cooled to a guided fluid in a fluid pipe (9, 10), presenting the stages of

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ambient temperature detection of refrigerator and / or freezer cabinet ready for connection and

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condenser connection or disconnection (V1) cooled by ambient air and / or additional condenser (V2) and / or the opening or closing of the fluid line (9, 10) in function of the ambient temperature detected.

9. Method according to claim 8, the refrigerator and / or freezer unit being arranged ready for connection in a store or in a cold store, characterized in that the heat used is used according to the temperature in the store or in the cold room through the external network of pipes of at least one of the furniture refrigerators and / or freezers ready for connection to heat and / or refrigerate the store or the cold store.