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Refrigeration device comprising multiple storage chambers

A refrigeration device and storage room technology, applied in the direction of household refrigeration devices, refrigerators, refrigeration components, etc., can solve the problems of cooling, uselessness, and reduced energy efficiency

Inactive Publication Date: 2018-10-23
BSH BOSCH & SIEMENS HAUSGERAETE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if in a refrigeration device as described above with several storage chambers, the first storage chamber is intended to be operated at high temperature, and for this purpose, the high-pressure tube section of the storage chamber located in the refrigerant circuit in the inner heat exchanger If the downstream evaporator operates as a condenser, this internal heat exchanger is useless
Therefore, it is only able to cool the second storage chamber with reduced energy efficiency

Method used

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  • Refrigeration device comprising multiple storage chambers
  • Refrigeration device comprising multiple storage chambers
  • Refrigeration device comprising multiple storage chambers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] figure 1 The refrigerant circuit shown comprises a speed-controlled compressor 1 with a pressure connection 2 and a suction connection 3 . The high-pressure refrigerant pipe 4 from the pressure connection 2 initially moves to the directional valve 7 in the circulation direction of the refrigerant via the condenser 5 and the branch point 6 . A part of the high-pressure refrigerant pipe 4 leads from the first outlet of the directional valve 7 via the internal heat exchanger 8 and the first throttling point 9 to the heat exchanger 10 assigned to the first storage chamber of the refrigeration device 26. A bypass line 11 connects the second outlet of the directional valve 7 directly to the heat exchanger 10 , bypassing the internal heat exchanger 8 and the throttling point 9 .

[0021] The outlet of the heat exchanger 10 is connected via a second internal heat exchanger 12 and a second throttling point 13 to a heat exchanger 14 assigned to a second storage chamber 27 .

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PUM

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Abstract

The invention relates to a refrigeration device comprising at least one first and one second storage chamber (26, 27) and a refrigerant circuit in which a first throttle point (9), a first heat exchanger (10) for regulating the temperature of the first storage chamber (26), a second throttle point (13), and a second heat exchanger (14) for cooling the second storage chamber (27) are connected in series. A high pressure pipe section (18) upstream of the first throttle point (9) and a low pressure pipe section (16) downstream of the second heat exchanger (14) form a first inner heat exchanger (8). A bypass pipe (11) extends parallel to the high pressure pipe section (18) to the first heat exchanger (10), and a control valve (7, 32) is provided in order to control the distribution of the refrigerant to the high pressure pipe section (18) and the bypass pipe (11).

Description

technical field [0001] The invention relates to a refrigeration device, in particular a domestic refrigeration device, comprising a plurality of storage chambers operable at different temperatures. Background technique [0002] In DE 10 2013 226 341 A1 a refrigeration device comprising a plurality of storage chambers is known, wherein a first throttling point, a first heat exchanger for controlling the temperature of the first storage chamber, a second throttling point The second heat exchanger for cooling the second storage chamber is connected in series in the refrigerant circuit. The pressure loss at the second throttling point causes a pressure difference between the two heat exchangers such that the evaporation temperature of the refrigerant in the second heat exchanger is lower than the evaporation temperature of the refrigerant in the first heat exchanger, thus , an operating temperature lower than that in the first storage chamber can be adjusted in the second stora...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B5/00F25B5/04F25B40/00F25B49/02
CPCF25B5/00F25B5/04F25B40/00F25B49/02F25B2400/0411F25B2600/2501F25B2700/2104F25D11/02
Inventor A·巴布克N·利恩戈德
Owner BSH BOSCH & SIEMENS HAUSGERAETE GMBH