CN100383479C - Cooling device and refrigerator using the same - Google Patents
Cooling device and refrigerator using the same Download PDFInfo
- Publication number
- CN100383479C CN100383479C CNB2004800289904A CN200480028990A CN100383479C CN 100383479 C CN100383479 C CN 100383479C CN B2004800289904 A CNB2004800289904 A CN B2004800289904A CN 200480028990 A CN200480028990 A CN 200480028990A CN 100383479 C CN100383479 C CN 100383479C
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- CN
- China
- Prior art keywords
- mentioned
- evaporimeter
- reservoir
- compressor
- cooling device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
- F25D11/022—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures with two or more evaporators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/006—Accumulators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
- F25D2400/04—Refrigerators with a horizontal mullion
Abstract
A cooling device, wherein a compressor, a condenser, a capillary, an evaporator, and an accumulator are connected to each other in this order and a refrigerant is circulated therethrough. A U-trap tube is installed between the evaporator and the accumulator.
Description
Technical field
The present invention relates to a kind of refrigerator that has reduced the cooling device of the mobile sound of refrigerant in the cooling tube in the freeze cycle and used this cooling device.
Background technology
Fig. 6 is the refrigeration cycle diagram of existing refrigerator.This freeze cycle is to be formed with evaporimeter (to call evaporimeter in the following text) 34, reservoir 35 and the pipe arrangement that connects them with evaporimeter (to call evaporimeter in the following text) 33, refrigerating chamber by compressor 36, condenser 37, drier 38, capillary 39, refrigerating chamber.
Fig. 7 shows the reservoir 35 among Fig. 6 and the enlarged drawing of evaporimeter 34.The gas coolant 45 that refrigerant formation evaporation in evaporimeter 34 pipes in the cooling running produces and the gas liquid two phase flow of unevaporated liquid coolant 46.In reservoir 35, be not detained and evaporate, prevent that liquid coolant 46 is inhaled in the compressor 36 via the state of suction line 49 with liquid by evaporimeter 34 evaporated liquid refrigerants 46.In reservoir 35, dispose the interior pipe 44 that is connected with the outlet 50 of evaporimeter 34, on outlet 50, near reservoir 35 inlets, be provided with turn of bilge 51, be connected with interior pipe 44 by the portion of holding up 43.Interior pipe 44 makes the gas liquid two-phase refrigerant that is discharged from flow to reservoir 35 inwalls, is separated into gas, liquid.The spill port 48 of pipe 44 bottoms prevents that the oil of sneaking in the refrigerant is trapped in the reservoir 35 in being located at.
After refrigerator arrival set point of temperature and compressor 36 stopped, gas coolant 45 will be enclosed in the evaporimeter 34.And, along with the rising of the temperature inside the box, enclosed the part gasification of the liquid coolant 46 in the evaporimeter 34.Thus, gas coolant 45 volumes of being enclosed in the evaporimeter 34 increase, and pressure rises, and one side pushes the liquid coolant 46 of the outlet of evaporimeter 34, and one side becomes gas group 47 and flows.At this moment, a part of gas coolant 45 is discharged in the reservoir 35 from the spill port 48 of interior pipe 44 bottoms.At that time, can send the mobile sound (purr) of refrigerant.In order to reduce the mobile sound of this refrigerant, in interior pipe 44, be provided with a plurality of spill ports 48.Such refrigerator is opened in the flat 7-280394 communique for example spy and is disclosed.
But,, make the mobile sound of reduction refrigerant very difficult owing to enclose the increase of coolant quantity in the occasion that above-mentioned existing structure is used for the many refrigerators of direct cooling refrigerator or inclosure coolant quantity.Here, direct cooling refrigerator do not use pressure fan but from evaporimeter by in the free convection cooler bin.In direct cooling refrigerator, because pyroconductivity is little, be internal volume in the evaporimeter 3 so need to strengthen the surface area of evaporimeter 3, need thus to increase and enclose coolant quantity.In addition, big with the temperature difference of the temperature inside the box in evaporimeter 3, the gasification fierceness easily produces gas coolant 45.
Summary of the invention
In cooling device of the present invention, be connected with compressor, condenser, capillary, evaporimeter, reservoir in turn, refrigerant circulates among them.And, between evaporimeter and reservoir, be provided with U type trap.By liquid coolant is trapped in this U type trap, make gas group be difficult to flow, and can also reduce the liquid coolant amount in the reservoir.Thus, reduce the mobile sound of the refrigerant that stops to produce along with compressor.This cooling device is applicable to refrigerator.
Description of drawings
Fig. 1 is the longitudinal section of the refrigerator of embodiments of the present invention.
Fig. 2 is the refrigeration cycle diagram that expression is assembled in the structure of the cooling device in the refrigerator shown in Figure 1.
What Fig. 3 was the reservoir of cooling device shown in Figure 2 and refrigerating chamber with evaporimeter wants portion's cutaway view.
Fig. 4 be the expression reservoir of embodiments of the present invention and refrigerating chamber with evaporimeter other the position relation want portion's cutaway view.
Fig. 5 be show the reservoir of embodiments of the present invention and refrigerating chamber with evaporimeter other structure want portion's cutaway view.
Fig. 6 is the refrigeration cycle diagram of existing refrigerator.
What Fig. 7 was the expression reservoir of existing refrigerator and refrigerating chamber with evaporimeter wants portion's cutaway view.
Among the figure:
The 1-refrigerating chamber; The 2-refrigerating chamber; 3-refrigerating chamber evaporimeter; 4-refrigerating chamber evaporimeter; The 5-reservoir; The 6-compressor; The 7-condenser; The 8-drier; The 9-capillary; The 10-outlet; The 11-turn of bilge; 12-U type trap; 13-holds up portion; Pipe in the 14-; The 15-gas coolant; The 16-liquid coolant; 17-gas group; The 18-spill port; The 19-suction line; The 20-cooling device; The outer tubulature of 21-; 33-refrigerating chamber evaporimeter; 34-refrigerating chamber evaporimeter; The 35-reservoir; The 36-compressor; The 37-condenser; The 38-drier; The 39-capillary; 43-holds up portion; Pipe in the 44-; The 45-gas coolant; The 46-liquid coolant; 47-gas group; The 48-spill port; The 49-suction line; The 50-outlet; The 51-turn of bilge.
The specific embodiment
Fig. 1 is the general profile chart of the refrigerator of embodiments of the present invention.Fig. 2 is the refrigeration cycle diagram that is assembled into the cooling device of this refrigerator, and what Fig. 3 was the reservoir of this cooling device and refrigerating chamber with evaporimeter wants portion's enlarged drawing.
In the refrigerator of present embodiment, divide up and down and form refrigerating chamber 1 and refrigerating chamber 2.In refrigerating chamber 1, be provided with the 1st evaporimeter and be refrigerating chamber with evaporimeter (to call evaporimeter in the following text) 3, in refrigerating chamber 2, be provided with the 2nd evaporimeter and be refrigerating chamber, be provided with reservoir 5 at the back side of refrigerating chamber 2 with evaporimeter (to call evaporimeter in the following text) 4.In addition, as shown in Figure 2, the cooling device 20 of the refrigerator of present embodiment is to be reached the pipe arrangement that connects them in turn and formed by compressor 6, condenser 7, drier 8, capillary 9, evaporimeter 4, evaporimeter 3, reservoir 5.The minimum arrival temperature of evaporimeter 4 is lower than evaporimeter 3.In addition, might not need drier 8.
And as shown in Figure 3, the outlet 10 of evaporimeter 3 is connected with U type trap by turn of bilge 11, and then is connected with interior pipe 14 by the portion of holding up 13.The outer tubulature 21 of pipe 14 was connected with compressor 6 by suction line 19 in inside was provided with.Below explanation has been assembled into the as above action of the refrigerator of the cooling device of the present embodiment of structure.
The gas coolant 15 that refrigerant formation evaporation in the pipe of the evaporimeter 3 in the cooling running produces and the gas liquid two phase flow of unevaporated liquid coolant 16.Be not trapped in the reservoir 5 and evaporation, prevented that liquid coolant 16 is inhaled into compressor 6 via suction line 19 with the state of liquid by evaporimeter 3 evaporated liquid refrigerants 16.In reservoir 5, dispose the interior pipe 14 that is connected with the outlet 10 of evaporimeter 3 by U type trap 12.Interior pipe 14 makes the gas liquid two-phase refrigerant of discharge flow to reservoir 5 inwalls, is separated into gas, liquid.The spill port 18 of pipe 14 bottoms prevents that the oil of sneaking in the refrigerant is trapped in the reservoir 5 in being located at.
After refrigerator arrived set point of temperature and compressor 6 and stops, gas coolant 15 was enclosed in the evaporimeters 3,4.Along with the rising of the temperature inside the box, enclose the part gasification of the liquid coolant 16 in the evaporimeter 3.Thus, the volume of the gas coolant 15 of inclosure increases, and pressure rises, and one side pushes the liquid coolant 16 of the outlet of evaporimeter 3, and one side becomes gas group 17 and flows.At this moment, a part of gas coolant 15 is discharged in the reservoir 5 from the spill port 18 of interior pipe 14 bottoms.At that time, can send the mobile sound (purr) of refrigerant.In order to reduce the mobile sound of this refrigerant, on interior pipe 14, be provided with a plurality of spill ports 18.
Also have, in the present embodiment, because U type trap 12 is located at the export department of the evaporimeter 3 of direct cooling refrigerator, so, also can liquid coolant be trapped in the U type trap 12 by this structure even if the coolant quantity of enclosing increases.In addition, the temperature difference with the temperature inside the box in evaporimeter 3 is big, the gasification fierceness.But, by U type trap 12 is set, can be after compressor 6 stop, till the pressure in freeze cycle averages out, reduce gas group 17 and move to reservoir 5.
As mentioned above, cooling device 20 is trapped in the U type trap 12 liquid coolant 16 by at the equipment U of export department of evaporimeter 3 type trap 12, makes gas group 17 be difficult to flow.In addition, owing to can reduce the amount of the liquid coolant 16 in the reservoir 5, sound reduces so the refrigerant that sends along with stopping of compressor 6 flows.
Below, the preferred condition of the position relation of reservoir 5 and evaporimeter 3 is described.Fig. 4 be expression reservoir of embodiments of the present invention and evaporimeter 3 other the position relation want portion's cutaway view.
In Fig. 4, reservoir 5 is positioned at the place higher than the lower end of evaporimeter 3, holds up portion 13 and extends to this position.Same with structure shown in Figure 3 in addition.The below as above action of the refrigerator of formation of explanation.
Along with stopping of compressor 6, gas coolant 15 and liquid coolant 16 are enclosed in the evaporimeter 3,4, along with the temperature in the case rises, and the part gasification of liquid coolant 16.Thus, gas coolant 15 volumes increase, and become gas group 17, flow to reservoir 5 one sides.Because the export department at evaporimeter 3 is provided with U type trap 12, so liquid coolant 16 is trapped in the U type trap 12.And then, because reservoir 5 is in the position higher than the lower end position of evaporimeter 3, so can reduce the liquid coolant amount in the reservoir 5.Thus, the mobile sound of the refrigerant that sends along with stopping of compressor 6 further reduces.
The following describes the preferred structure of reservoir 5 and evaporimeter 3.Fig. 5 be the expression reservoir of embodiments of the present invention and refrigerating chamber with evaporimeter other structure want portion's cutaway view.
In Fig. 5, the outlet 10 of evaporimeter 3 is connected with U type trap 12 by turn of bilge 11, is connected with interior pipe 14 by the portion of holding up 13.In addition, the internal diameter of interior pipe 14 is bigger than the maximum of the internal diameter of U type trap 12.Structure with shown in Figure 3 is identical in addition.The as above action of the refrigerator of structure below is described.
Along with stopping of compressor 6, gas coolant 15 and liquid coolant 16 are enclosed in the evaporimeter 3,4, along with the temperature in the case rises, and the part gasification of liquid coolant 16.Thus, gas coolant 15 volumes increase, and become gas group 17, flow to reservoir 5 one sides.At this moment, a part of gas coolant 15 can be discharged to the reservoir 5 from the spill port 18 of interior pipe 14 bottoms.
But, in the structure of Fig. 5, because the internal diameter of interior pipe 14 is bigger than the maximum of the internal diameter of U type trap 12, so in interior pipe 14, the state that gas is rolled into a ball 17 barrier liquid refrigerants 16 can not take place.Therefore, gas coolant 15 is difficult to can further reduce the mobile sound of the refrigerant that sends along with stopping of compressor 6 from spill port 18 ejections.
As mentioned above, cooling device of the present invention can make gas group be difficult to flow by liquid coolant being trapped in the U type trap, in addition, can also reduce the liquid coolant amount in the reservoir.Thus, stop along with compressor and the refrigerant that the sends sound (purr) that flows reduces.The cooling device that is made of such freeze cycle can extensive use as the mobile sound minimizing technology of refrigerant based on the freezing air conditioner equipment field of refrigerator.
Claims (8)
1. a cooling device is characterized in that,
Possess: compressor; The condenser that is connected with above-mentioned compressor; The capillary that is connected with above-mentioned condenser; The 1st evaporimeter that is connected with above-mentioned capillary; The U type trap that is connected with above-mentioned the 1st evaporimeter; Have the interior pipe that is connected with above-mentioned U type trap with inner be provided with above-mentioned in the reservoir of the outer tubulature that is connected of Guan Bingyu above-mentioned compressor; The refrigerant that between above-mentioned compressor, above-mentioned condenser, above-mentioned capillary, above-mentioned the 1st evaporimeter, above-mentioned U type trap, above-mentioned reservoir, circulates,
The internal diameter of pipe is bigger than the maximum of the internal diameter of above-mentioned U type trap in above-mentioned.
2. cooling device according to claim 1 is characterized in that: above-mentioned reservoir leans on last configuration than above-mentioned evaporimeter lower end position.
3. cooling device according to claim 1 is characterized in that: the bottom of pipe is provided with the hole in above-mentioned.
4. cooling device according to claim 1 is characterized in that: also possess and be connected between above-mentioned capillary and above-mentioned the 1st evaporimeter and minimum arrival temperature 2nd evaporimeter lower than above-mentioned the 1st evaporimeter.
5. a refrigerator is characterized in that,
Possess: compressor; The condenser that is connected with above-mentioned compressor; The capillary that is connected with above-mentioned condenser; The 1st evaporimeter that is connected with above-mentioned capillary; The U type trap that is connected with above-mentioned the 1st evaporimeter; Have the interior pipe that is connected with above-mentioned U type trap with inner be provided with above-mentioned in the reservoir of the outer tubulature that is connected of Guan Bingyu above-mentioned compressor; Have the refrigerant that between above-mentioned compressor, above-mentioned condenser, above-mentioned capillary, above-mentioned the 1st evaporimeter, above-mentioned U type trap, above-mentioned reservoir, circulates and above-mentioned in the internal diameter of pipe than the big cooling device of maximum of the internal diameter of U type trap; And, be provided with the refrigerating chamber of above-mentioned the 1st evaporimeter in inside.
6. refrigerator according to claim 5 is characterized in that: above-mentioned reservoir leans on last configuration than above-mentioned evaporimeter lower end position.
7. refrigerator according to claim 5 is characterized in that: the bottom of pipe is provided with the hole in above-mentioned.
8. refrigerator according to claim 5 is characterized in that it also possesses: be connected the 2nd evaporimeter between above-mentioned capillary and above-mentioned the 1st evaporimeter; And, be provided with the refrigerating chamber of above-mentioned the 2nd evaporimeter in inside.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003365671A JP2005127655A (en) | 2003-10-27 | 2003-10-27 | Refrigerator |
| JP365671/2003 | 2003-10-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1864040A CN1864040A (en) | 2006-11-15 |
| CN100383479C true CN100383479C (en) | 2008-04-23 |
Family
ID=34510186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800289904A Expired - Fee Related CN100383479C (en) | 2003-10-27 | 2004-10-22 | Cooling device and refrigerator using the same |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2005127655A (en) |
| CN (1) | CN100383479C (en) |
| WO (1) | WO2005040701A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010230251A (en) * | 2009-03-27 | 2010-10-14 | Toshiba Corp | Refrigerator |
| DE102011107538A1 (en) * | 2011-06-10 | 2012-12-13 | Liebherr-Hausgeräte Ochsenhausen GmbH | Fridge and / or freezer |
| JP5887902B2 (en) * | 2011-12-14 | 2016-03-16 | パナソニック株式会社 | Refrigeration cycle equipment |
| CN102954635A (en) * | 2012-12-10 | 2013-03-06 | 合肥华凌股份有限公司 | Liquid storage device assembly, evaporator device using liquid storage device, and refrigerating equipment |
| WO2017067035A1 (en) * | 2015-10-21 | 2017-04-27 | 合肥华凌股份有限公司 | Liquid receiver assembly for refrigerating system, and refrigerating system and freezer having same |
| CN105202833A (en) * | 2015-10-21 | 2015-12-30 | 合肥华凌股份有限公司 | Liquid storage device assembly for refrigeration system, refrigeration system comprising same and freezing cabinet |
| CN108019989B (en) * | 2017-12-07 | 2020-06-05 | 合肥美的电冰箱有限公司 | Refrigerating system and refrigerator |
| CN109959202A (en) * | 2019-03-18 | 2019-07-02 | 海信（山东）冰箱有限公司 | A kind of refrigerator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1113314A (en) * | 1994-03-23 | 1995-12-13 | 松下冷机株式会社 | Cooling system |
| JP2000258023A (en) * | 1999-03-10 | 2000-09-22 | Toshiba Corp | Refrigerator |
| JP2000320930A (en) * | 1999-05-11 | 2000-11-24 | Matsushita Refrig Co Ltd | Refrigerator |
| JP2001099550A (en) * | 1999-09-30 | 2001-04-13 | Fujitsu General Ltd | Refrigerator |
| JP2002188871A (en) * | 2000-12-20 | 2002-07-05 | Fujitsu General Ltd | Refrigerator |
| JP2003148846A (en) * | 2001-11-13 | 2003-05-21 | Matsushita Refrig Co Ltd | Refrigerator |
-
2003
- 2003-10-27 JP JP2003365671A patent/JP2005127655A/en active Pending
-
2004
- 2004-10-22 CN CNB2004800289904A patent/CN100383479C/en not_active Expired - Fee Related
- 2004-10-22 WO PCT/JP2004/015723 patent/WO2005040701A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1113314A (en) * | 1994-03-23 | 1995-12-13 | 松下冷机株式会社 | Cooling system |
| JP2000258023A (en) * | 1999-03-10 | 2000-09-22 | Toshiba Corp | Refrigerator |
| JP2000320930A (en) * | 1999-05-11 | 2000-11-24 | Matsushita Refrig Co Ltd | Refrigerator |
| JP2001099550A (en) * | 1999-09-30 | 2001-04-13 | Fujitsu General Ltd | Refrigerator |
| JP2002188871A (en) * | 2000-12-20 | 2002-07-05 | Fujitsu General Ltd | Refrigerator |
| JP2003148846A (en) * | 2001-11-13 | 2003-05-21 | Matsushita Refrig Co Ltd | Refrigerator |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2005040701A1 (en) | 2005-05-06 |
| JP2005127655A (en) | 2005-05-19 |
| CN1864040A (en) | 2006-11-15 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20080423 Termination date: 20181022 |