CN103743139B - A kind of refrigerator refrigeration system and there is the refrigerator of this refrigeration system - Google Patents
A kind of refrigerator refrigeration system and there is the refrigerator of this refrigeration system Download PDFInfo
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- CN103743139B CN103743139B CN201310751684.4A CN201310751684A CN103743139B CN 103743139 B CN103743139 B CN 103743139B CN 201310751684 A CN201310751684 A CN 201310751684A CN 103743139 B CN103743139 B CN 103743139B
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Abstract
The present invention relates to refrigerator field, particularly relate to a kind of refrigerator refrigeration system and there is the refrigerator of this refrigeration system.This system includes compressor；First switching device, its entrance is connected with the outlet of compressor；Second switching device；First outlet of condensation-preventing device, its entrance and the first switching device is connected；First entrance of the second switching device is connected with the outlet of condensation-preventing device, and its second entrance is connected by the second outlet of first throttle device and the first switching device；3rd outlet of condenser, its entrance and the second switching device is connected；4th outlet of the second switching device is connected by the second throttling arrangement and the 3rd throttling arrangement；Vaporizer, its entrance is connected with the outlet of condenser by the 3rd throttling arrangement, and its outlet is connected with the entrance of compressor.This invention ensures that, under compressor operating and halted state, the temperature of condensation-preventing device is maintained at more than dew point temperature, solve current refrigerator and the phenomenon of condensation occurs under hot and humid environment.
Description
Technical field
The present invention relates to refrigerator field, particularly relate to a kind of refrigerator refrigeration system and there is the ice of this refrigeration system
Case.
Background technology
General refrigerator is when refrigeration, and the heat utilizing the anti-condensation pipe being arranged on freezing liner surrounding to be distributed comes
Evaporation and condensation, at the condensation water in refrigerating chamber door back cover week, reaches anti-condensation effect.China is vast in territory, gas
Time type is relative complex, particularly the Yangtze river basin and coastal provinces, south, and summer temp is higher, the highest environment
Temperature is up to 40 DEG C, and high humidity, high humility is up to 90%.General refrigerator under above-mentioned environmental work,
Because at central sill, air communication channel is less, air circulation is not smooth, the heat that during refrigeration for refrigerator, anti-condensation pipes is distributed
Can not evaporate the cold air infiltrated at door seal, often central sill and near parts surface condensation water occurs,
Time serious, the globule can flow on floor along central sill, affects user and normally uses.
This is primarily due to general refrigerator when compressor operation, due to the heat sinking function of anti-condensation pipes, central sill and
The temperature of neighbouring parts is substantially higher than dew point temperature, is not likely to produce condensation.But when compressor shuts down,
Anti-condensation pipes stops heat radiation, and the temperature of central sill and neighbouring parts is rapidly decreased to below dew point temperature, simultaneously this region
Air flow property is poor, therefore easily produces the defect of condensation in the environment of hot and humid.
Summary of the invention
It is an object of the invention to provide a kind of refrigerator refrigeration system, it is possible to when compressor shuts down, carry
High central sill and neighbouring parts anti-condensation effect.
Present invention also offers a kind of refrigerator, it has this refrigeration system, it is possible to be effectively improved the anti-condensation of refrigerator
Dew effect, solves the problem that current refrigerator easily produces condensation.
For reaching this purpose, the present invention by the following technical solutions:
The invention provides a kind of refrigerator refrigeration system, including compressor；First switching device, described first
The entrance of switching device is connected with the outlet of described compressor, and described first switching device has the first outlet
With the second outlet；Second switching device, described second switching device have the first entrance, the second entrance,
Three outlets and the 4th outlet；Condensation-preventing device, the entrance of described condensation-preventing device and described first switching device
First outlet be connected；First entrance of described second switching device is connected with the outlet of described condensation-preventing device,
Second entrance of described second switching device is gone out with the second of described first switching device by first throttle device
Mouth is connected；Condenser, the entrance of described condenser is connected with the 3rd outlet of described second switching device；Institute
The 4th outlet stating the second switching device is connected by the second throttling arrangement and the 3rd throttling arrangement；Vaporizer,
The entrance of described vaporizer is connected with the outlet of described condenser by described 3rd throttling arrangement, described evaporation
The outlet of device is connected with the entrance of described compressor.
As the preferred version of the present invention, it is disposed with between described condenser and described 3rd throttling arrangement
Defecator and tee T；Described tee T has the 3rd entrance and the 4th entrance；Entering of described defecator
Mouth is connected with the outlet of described condenser, the outlet of described defecator and the 3rd entrance phase of described tee T
Even, the 4th entrance of described tee T is by described second throttling arrangement and the 4th of described second switching device
Outlet is connected, and the outlet of described tee T is connected with the entrance of described 3rd throttling arrangement.
As the preferred version of the present invention, described first switching device is check valve, described second switching device
For electromagnetic valve.
It is pressure release as the preferred version of the present invention, described first throttle device and described second throttling arrangement
Capillary tube.
As the preferred version of the present invention, described condensation-preventing device is anti-condensation pipes.
As the preferred version of the present invention, described 3rd throttling arrangement is capillary tube.
As the preferred version of the present invention, described defecator is filter.
Present invention also offers a kind of refrigerator, including refrigerator body, in described refrigerator body, be provided with at least one room,
Also including refrigerator refrigeration system described above, described refrigeration system is for room refrigeration between described.
The invention have the benefit that
The invention provides a kind of refrigerator refrigeration system, it is achieved that refrigerator is when compressor shuts down, anti-condensation
Dew pressure and temperature within device is constant.By the first switching device and the cooperating of the second switching device,
The entrance and exit realizing condensation-preventing device during means for refrigerator when stopping working is closed, it is ensured that condensation-preventing device during means for refrigerator when stopping working
Surface temperature is identical with during start, to reach to improve central sill and the purpose of neighbouring parts anti-condensation effect.
It addition, this refrigeration system is while realizing condensation-preventing device shutdown pressurize, by first throttle device
Setting, when compressor shuts down, by the high pressure between the first switching device and compressor air-discharging valve plate
Refrigerant gas pressure release is to vaporizer and is back to compressor.Before this design can ensure that compressor is again started up,
Inhale, pressure at expulsion is the same with general refrigerator is in poised state, does not increase the startup load of compressor, is beneficial to
The normal startup of this system freezer compressor.
Present invention also offers a kind of refrigerator, it includes this refrigeration system, it is ensured that at compressor operating with stop
Only under state, the temperature of condensation-preventing device remains at more than dew point temperature, solves current refrigerator at height
The phenomenon of condensation occurs under temperature high humidity environment.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the refrigerator refrigeration system that the embodiment of the present invention one provides.
Wherein:
1, compressor；2, the first switching device；3, condensation-preventing device；4, first throttle device；5,
Two switching devices；6, condenser；7, the second throttling arrangement；8, defecator；9, tee T；10、
3rd throttling arrangement；11, vaporizer；
21, the first outlet；22, the second outlet；51, the first entrance；52, the second entrance；53, the 3rd
Outlet；54, the 4th outlet；91, the 3rd entrance；92, the 4th entrance.
Detailed description of the invention
Further illustrate technical scheme below in conjunction with the accompanying drawings and by detailed description of the invention.
Embodiment one
Fig. 1 is the schematic diagram of the refrigerator refrigeration system that the present embodiment provides.As it is shown in figure 1, the present embodiment carries
A kind of refrigerator refrigeration system of confession, it includes compressor 1, the first switching device 2, condensation-preventing device 3,
One throttling arrangement 4, the second switching device 5, condenser 6, the second throttling arrangement 7, defecator 8, threeway
Pipe 9, the 3rd throttling arrangement 10 and vaporizer 11.
Concrete, the entrance of the first switching device 2 is connected with the outlet of compressor 1, and the first switching device 2
There is the first outlet 21 and the second outlet 22.The entrance of condensation-preventing device 3 and the first of the first switching device 2
Outlet 21 is connected.Second switching device 5 has first entrance the 51, second entrance the 52, the 3rd outlet 53 and
4th outlet 54, the first entrance 51 of the second switching device 5 is connected with the outlet of condensation-preventing device 3, and second
Second entrance 52 of switching device 5 is by first throttle device 4 and the second outlet 22 of the first switching device 2
It is connected.The entrance of condenser 6 and the 3rd outlet 53 of the second switching device 5 are connected.Entering of defecator 8
Mouth is connected with the outlet of condenser 6, and tee T 9 has the 3rd entrance 91 and the 4th entrance 92, defecator
The outlet of 8 is connected with the 3rd entrance 91 of tee T 9, and the 4th entrance 92 of tee T 9 is by the second throttling
Device 7 is connected with the 4th outlet 54 of the second switching device 5, the outlet of tee T 9 and the 3rd throttling arrangement
The entrance of 10 is connected.The outlet of the 3rd throttling arrangement 10 is connected with the entrance of vaporizer 11, vaporizer 11
Outlet is connected with the entrance of compressor 1.
It is to say, it is compressor the 1, first switching device 2, condensation-preventing device the 3, second switching device 5, cold
Condenser 6, defecator 8, tee T the 9, the 3rd throttling arrangement 10, vaporizer 11 in series freeze back
Road；Compressor the 1, first switching device 2, first throttle device the 4, second switching device 5, second throttle and fill
Put 7, tee T the 9, the 3rd throttling arrangement 10, vaporizer 11 constitute another loop.First loop is in pressure
Reached the purpose of refrigeration when contracting machine runs by the evaporation of cold-producing medium and condensation, second loop is stopped at compressor
Only enter scene 2 structure by the second switching device 5(two during operating) switching and the first switching device 2 realize anti-
The closing of condensation device 3 entrance and exit, reaches to keep its internal refrigeration storage agent pressure constant the most temperature-resistant
Effect.
In the present embodiment, being preferably, first throttle device 4 and the second throttling arrangement 7 are pressure release capillary tube,
Its Main Function is to pass through the first switching device 2 when compressor 1 shuts down by compressor 1 aerofluxus valve plate
And the high-pressure refrigeration pressure release between the first switching device 2 is to vaporizer 11 suction end that is back to compressor 1,
Ensure the balance of suction and discharge lateral pressure when compressor 1 is again started up.
First switching device 2 is check valve, and the effect of check valve is when compressor 1 shuts down, because of pressure
Contracting machine 1 not aerofluxus, causes the pressure pressure much smaller than condensation-preventing device 3 internal refrigeration storage agent of its compressor side
And rely on the action of gravity of spool thus realize the closing of condensation-preventing device 3 entrance.
Second switching device 5 is electromagnetic valve, switching circuit when compressor 1 is shut down, it is achieved anti-condensation dress
Put the closing of 3 outlets and turn on first throttle device 4 and the second throttling arrangement 7.Condensation-preventing device 3 is anti-condensation
Pipe, falls the condensation water produced because of refrigerating chamber surrounding leakage heat by its heat of vaporization given out.It addition, the
Three throttling arrangements 10 are capillary tube, reduce the manufacturing cost of refrigeration system；Defecator 8 is filter,
Impurity in refrigeration system can be filtered, such as various oxides and dust etc., thus avoid the 3rd throttling arrangement
10 dirty stifled.
In this refrigeration system work process, the duty of the second switching device 5 is asynchronous with compressor 1,
Second switching device 5 no power when i.e. compressor 1 operates, the second switching device 5 when compressor 1 shuts down
Energising.The work process of refrigeration system is specific as follows:
When compressor 1 runs well, the second switching device 5 no power, the first of the second switching device 5 enters
Mouth 51-the 3rd outlet 53 is conducting state, and the second entrance 52-the 4th outlet 54 is closed mode.Due to pressure
Contracting machine 1 runs, the pressure at expulsion of the compressor side of the first switching device 2 preventing more than the first switching device 2
Coagulate the pressure of tube side and be enough to overcome the weight of the first switching device 2 spool self, the first switching device 2
Entrance-the first exports 21 and is formed as conducting state, although now the entrance-the second of the first switching device 2 exports
22 is also conducting state, but because of the first throttle device 4 being connected with the second of the first switching device 2 the outlet 22
Outlet closed by the second switching device 5, therefore cold-producing medium can only be through the entrance-the first of the first switching device 2
Outlet 21 entrance condensation-preventing device 3.Refrigerating circuit now is that compressor 1-the first switching device 2-is anti-condensation
Device 3-the second switching device 5-condenser 6-defecator 8-tee T 9-the 3rd throttling arrangement 10-evaporates
Device 11.
When compressor 1 is out of service, the second switching device 5 is energized, the first entrance of the second switching device 5
51-the 3rd outlet 53 is closed mode, and the second entrance 52-the 4th outlet 54 is conducting state.Due to compression
Machine 1 shuts down, and the pressure at expulsion of the compressor side of the first switching device 2 is less than the first switching device 2
The pressure of anti-condensation tube side and be not enough to overcome the weight of the first switching device 2 spool self, the first switching device 2
Entrance-the first export 21 and be formed as closed mode, now the entrance and exit of condensation-preventing device 3 respectively by
Second switching device 5 and the first switching device 2 are ended, thus have reached and kept its internal refrigeration storage agent pressure
Purpose.It is conducting state that the entrance-the second of the first switching device 2 exports 22, because of the second switching device 5
Second entrance 52-the 4th outlet 54 is conducting state, causes first throttle device 4 and the second throttling arrangement 7
Form series connection.
Now in refrigeration system, the cold-producing medium of residual is divided into three parts: one be residue in the first switching device 2 with
Partial high pressure cold-producing medium between compressor 1；Two is the high-pressure refrigerant being closed in condensation-preventing device 3；
Three is to residue in the cold-producing medium in condenser 6 and vaporizer 11.Except being enclosed in the refrigeration in condensation-preventing device 3
Outside agent, remaining two parts cold-producing medium is back to compressor by following two loop, to ensure compressor 1
Suction, the balance of exhaust lateral pressure.Residue in the partial high pressure system between the first switching device 2 and compressor 1
Cryogen realizes the refrigeration of refrigerator by following loop: the first switching device 2(entrance-the second exports 22)-the
One throttling arrangement 4-the second switching device 5(the second entrance 52-the 4th outlet 54) the-the second throttling arrangement 7-
Tee T 9-the 3rd throttling arrangement 10-vaporizer 11-compressor 1(suction end)；Residue in condenser 6 He
The some refrigerant of vaporizer 11 realizes the refrigeration of refrigerator by following loop: condenser 6-defecator 8-
Tee T 9-the 3rd throttling arrangement 10-vaporizer 11-compressor 1(suction end).
Embodiment two
A kind of refrigerator provided in the present embodiment, including refrigerator body, is provided with at least one room in refrigerator body,
Also include refrigerator refrigeration system described above, refrigeration system for pair between room refrigeration.Concrete process of refrigerastion is such as
With the process described by embodiment one, it is ensured that under compressor operating and halted state, condensation-preventing device
Temperature remains at more than dew point temperature, solves current refrigerator and condensation occurs under hot and humid environment
Phenomenon.
The know-why of the present invention is described above in association with detailed description of the invention.These describe and are intended merely to explain
The principle of the present invention, and limiting the scope of the invention can not be construed to by any way.Based on herein
Explanation, those skilled in the art need not to pay performing creative labour can associate other of the present invention
Detailed description of the invention, these modes fall within protection scope of the present invention.
Claims (8)
1. a refrigerator refrigeration system, it is characterised in that
Including compressor (1)；
First switching device (2), the entrance of described first switching device (2) and described compressor (1)
Outlet is connected, and described first switching device (2) has the first outlet (21) and the second outlet (22)；
Second switching device (5), described second switching device (5) has the first entrance (51), second enters
Mouth (52), the 3rd outlet (53) and the 4th outlet (54)；
Condensation-preventing device (3), the entrance of described condensation-preventing device (3) and described first switching device (2)
First outlet (21) be connected；
First entrance (51) of described second switching device (5) and the outlet of described condensation-preventing device (3)
Being connected, second entrance (52) of described second switching device (5) passes through first throttle device (4) and institute
The second outlet (22) stating the first switching device (2) is connected；
Condenser (6), the entrance of described condenser (6) goes out with the 3rd of described second switching device (5)
Mouth (53) is connected；
4th outlet (54) of described second switching device (5) is by the second throttling arrangement (7) and the 3rd
Throttling arrangement (10) is connected；
Vaporizer (11), the entrance of described vaporizer (11) passes through described 3rd throttling arrangement (10) and institute
The outlet stating condenser (6) is connected, and the outlet of described vaporizer (11) enters with described compressor (1)
Mouth is connected；
In this refrigeration system work process, the duty of described second switching device (5) and described compression
Machine (1) is asynchronous, concrete, the second switching device (5) no power described in during described compressor (1) operating,
First entrance (51)-the three outlet (53) of described second switching device (5) is conducting state, second
Entrance (52)-the four outlet (54) is closed mode；
Second switching device (5) energising described in when described compressor (1) shuts down, described second switching
First entrance (51)-the three outlet (53) of device (5) is closed mode, the second entrance (52)-
4th outlet (54) is conducting state.
Refrigerator refrigeration system the most according to claim 1, it is characterised in that
It is disposed with defecator (8) between described condenser (6) and described 3rd throttling arrangement (10)
With tee T (9)；
Described tee T (9) has the 3rd entrance (91) and the 4th entrance (92)；
The entrance of described defecator (8) is connected with the outlet of described condenser (6), described defecator
(8) outlet is connected with the 3rd entrance (91) of described tee T (9), the of described tee T (9)
Four entrances (92) are gone out with the 4th of described second switching device (5) by described second throttling arrangement (7)
Mouth (54) is connected, and the outlet of described tee T (9) is connected with the entrance of described 3rd throttling arrangement (10).
Refrigerator refrigeration system the most according to claim 1, it is characterised in that
Described first switching device (2) is check valve, and described second switching device (5) is electromagnetic valve.
Refrigerator refrigeration system the most according to claim 1, it is characterised in that
Described first throttle device (4) and described second throttling arrangement (7) are pressure release capillary tube.
Refrigerator refrigeration system the most according to claim 1, it is characterised in that
Described condensation-preventing device (3) is anti-condensation pipes.
Refrigerator refrigeration system the most according to claim 1, it is characterised in that
Described 3rd throttling arrangement (10) is capillary tube.
Refrigerator refrigeration system the most according to claim 2, it is characterised in that
Described defecator (8) is filter.
8. a refrigerator, including refrigerator body, is provided with at least one room in described refrigerator body, it is characterised in that
Also including the refrigerator refrigeration system as described in any one of claim 1-7, described refrigeration system is for right
Described room refrigeration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310751684.4A CN103743139B (en) | 2013-12-30 | 2013-12-30 | A kind of refrigerator refrigeration system and there is the refrigerator of this refrigeration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310751684.4A CN103743139B (en) | 2013-12-30 | 2013-12-30 | A kind of refrigerator refrigeration system and there is the refrigerator of this refrigeration system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103743139A CN103743139A (en) | 2014-04-23 |
| CN103743139B true CN103743139B (en) | 2016-08-31 |
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| CN201310751684.4A Active CN103743139B (en) | 2013-12-30 | 2013-12-30 | A kind of refrigerator refrigeration system and there is the refrigerator of this refrigeration system |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885401B (en) * | 2017-02-14 | 2020-01-14 | 合肥美的电冰箱有限公司 | Refrigerator anti-condensation refrigerating system and method and refrigerator |
| CN107763904A (en) * | 2017-12-19 | 2018-03-06 | 郑州凯雪冷链股份有限公司 | Self-cleaning refrigeration system suitable for refrigerated display cabinet |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000065461A (en) * | 1998-08-20 | 2000-03-03 | Hitachi Ltd | Refrigerator and method for controlling dew condensation preventing operation in the refrigerator |
| JP2000346520A (en) * | 1999-06-02 | 2000-12-15 | Toshiba Corp | Refrigerator |
| JP2004183952A (en) * | 2002-12-02 | 2004-07-02 | Toshiba Corp | Refrigerator |
| JP2009079837A (en) * | 2007-09-26 | 2009-04-16 | Sharp Corp | Refrigerator |
| CN102121780A (en) * | 2011-02-16 | 2011-07-13 | 合肥美的荣事达电冰箱有限公司 | Refrigeration system and refrigerator with same |
| CN202267282U (en) * | 2011-10-10 | 2012-06-06 | 合肥美的荣事达电冰箱有限公司 | Refrigeration device and refrigerator with same |
| JP2013155910A (en) * | 2012-01-30 | 2013-08-15 | Hitachi Appliances Inc | Refrigerator |
| CN203704418U (en) * | 2013-12-30 | 2014-07-09 | 合肥晶弘电器有限公司 | Refrigerator refrigerating system and refrigerator with refrigerator refrigerating system |
-
2013
- 2013-12-30 CN CN201310751684.4A patent/CN103743139B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000065461A (en) * | 1998-08-20 | 2000-03-03 | Hitachi Ltd | Refrigerator and method for controlling dew condensation preventing operation in the refrigerator |
| JP2000346520A (en) * | 1999-06-02 | 2000-12-15 | Toshiba Corp | Refrigerator |
| JP2004183952A (en) * | 2002-12-02 | 2004-07-02 | Toshiba Corp | Refrigerator |
| JP2009079837A (en) * | 2007-09-26 | 2009-04-16 | Sharp Corp | Refrigerator |
| CN102121780A (en) * | 2011-02-16 | 2011-07-13 | 合肥美的荣事达电冰箱有限公司 | Refrigeration system and refrigerator with same |
| CN202267282U (en) * | 2011-10-10 | 2012-06-06 | 合肥美的荣事达电冰箱有限公司 | Refrigeration device and refrigerator with same |
| JP2013155910A (en) * | 2012-01-30 | 2013-08-15 | Hitachi Appliances Inc | Refrigerator |
| CN203704418U (en) * | 2013-12-30 | 2014-07-09 | 合肥晶弘电器有限公司 | Refrigerator refrigerating system and refrigerator with refrigerator refrigerating system |
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| CN103743139A (en) | 2014-04-23 |
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