CN203704418U - Refrigerator refrigerating system and refrigerator with refrigerator refrigerating system - Google Patents
Refrigerator refrigerating system and refrigerator with refrigerator refrigerating system Download PDFInfo
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- CN203704418U CN203704418U CN201320890565.2U CN201320890565U CN203704418U CN 203704418 U CN203704418 U CN 203704418U CN 201320890565 U CN201320890565 U CN 201320890565U CN 203704418 U CN203704418 U CN 203704418U
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- switching device
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- condensation
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Abstract
The utility model relates to the field of refrigerators, in particular to a refrigerator refrigerating system and a refrigerator with the refrigerator refrigerating system. The refrigerator refrigerating system comprises a compressor, a first switching device, a second switching device, a condensation-proof device, a condenser and an evaporator, wherein an inlet of the first switching device is connected with an outlet of the compressor, an inlet of the condensation-proof device is connected with a first outlet of the first switching device, a first inlet of the second switching device is connected with an outlet of the condensation-proof device, a second inlet of the second switching device is connected with a second outlet of the first switching device through the first throttling device, an inlet of the condenser is connected with a third outlet of the second switching device, a fourth outlet of the second switching device is connected with a third throttling device through a second throttling device, an inlet of the evaporator is connected with an outlet of the condenser through a third throttling device, and an outlet of the evaporator is connected with an inlet of the compressor. The refrigerator refrigerating system and the refrigerator with the refrigerator refrigerating system guarantees the temperature of the condensation-proof device to be kept above a dew point temperature in the running and stopping states of the compressor, thereby solving a condensation phenomenon of existing refrigerators in hot and humid environment.
Description
Technical field
The utility model relates to refrigerator field, relates in particular to a kind of refrigerator refrigeration system and has the refrigerator of this refrigeration system.
Background technology
General refrigerator is in when refrigeration, and the heat that utilizes the anti-condensation pipe that is arranged on freezing liner surrounding to distribute carrys out evaporation and condensation in the condensate water in refrigerating chamber door back cover week, reaches anti-condensation effect.China is vast in territory, climate type relative complex, the particularly Yangtze river basin and southern coastal provinces, and summer temp is higher, and high ambient temperature can reach 40 DEG C, high humidity, high humility can reach 90%.General refrigerator under above-mentioned environmental work, because of central sill place air communication channel less, air circulation is not smooth, the heat that when refrigeration for refrigerator, anti-condensation pipes distributes can not evaporate the cold air infiltrating from door seal, through being everlasting there is condensation water in central sill and near parts surface, when serious, the globule can flow on floor along central sill, affects user and normally uses.
This be mainly because general refrigerator in the time of compressor operation, due to the heat sinking function of anti-condensation pipes, the temperature of central sill and near parts is substantially higher than dew-point temperature, is difficult for producing condensation.But in the time that compressor shuts down, anti-condensation pipes stops heat radiation, and the temperature of central sill and near parts is down to rapidly below dew-point temperature, this regional air poor fluidity simultaneously, the therefore easy defect that produces condensation under hot and humid environment.
Utility model content
The purpose of this utility model is to provide a kind of refrigerator refrigeration system, can, in the time that compressor shuts down, improve central sill and near the anti-condensation effect of parts.
The utility model also provides a kind of refrigerator, and it has this refrigeration system, can effectively improve the anti-condensation effect of refrigerator, and solution current refrigerator easily produces the problem of condensation.
For reaching this object, the utility model by the following technical solutions:
The utility model provides a kind of refrigerator refrigeration system, comprises compressor; The first switching device shifter, the entrance of described the first switching device shifter is connected with the outlet of described compressor, and described the first switching device shifter has the first outlet and the second outlet; The second switching device shifter, described the second switching device shifter has the first entrance, the second entrance, the 3rd outlet and the 4th outlet; Condensation-preventing device, the entrance of described condensation-preventing device is connected with the first outlet of described the first switching device shifter; The first entrance of described the second switching device shifter is connected with the outlet of described condensation-preventing device, and the second entrance of described the second switching device shifter is connected with the second outlet of described the first switching device shifter by first throttle device; Condenser, the entrance of described condenser is connected with the 3rd outlet of described the second switching device shifter; The 4th outlet of described the second switching device shifter is connected with the 3rd throttling arrangement by the second throttling arrangement; Evaporimeter, the entrance of described evaporimeter is connected with the outlet of described condenser by described the 3rd throttling arrangement, and the outlet of described evaporimeter is connected with the entrance of described compressor.
As preferred version of the present utility model, between described condenser and described the 3rd throttling arrangement, be disposed with filter and three-way pipe; Described three-way pipe has the 3rd entrance and the 4th entrance; The entrance of described filter is connected with the outlet of described condenser, the outlet of described filter is connected with the 3rd entrance of described three-way pipe, the 4th entrance of described three-way pipe is connected with the 4th outlet of described the second switching device shifter by described the second throttling arrangement, and the outlet of described three-way pipe is connected with the entrance of described the 3rd throttling arrangement.
As preferred version of the present utility model, described the first switching device shifter is check valve, and described the second switching device shifter is magnetic valve.
As preferred version of the present utility model, described first throttle device and described the second throttling arrangement are pressure release capillary.
As preferred version of the present utility model, described condensation-preventing device is anti-condensation pipes.
As preferred version of the present utility model, described the 3rd throttling arrangement is capillary.
As preferred version of the present utility model, described filter is filter.
The utility model also provides a kind of refrigerator, comprises refrigeratory body, is provided with at least one chamber in described refrigeratory body, also comprises refrigerator refrigeration system described above, and described refrigeration system is for freezing to chamber between described.
The beneficial effects of the utility model are:
The utility model provides a kind of refrigerator refrigeration system, has realized refrigerator in the time that compressor shuts down, and the pressure and temperature of condensation-preventing device inside is constant.By the cooperating of the first switching device shifter and the second switching device shifter; the entrance and exit of condensation-preventing device sealing while realizing means for refrigerator when stopping working; identical during with start of the surface temperature that ensures condensation-preventing device when means for refrigerator when stopping working, to reach the object of raising central sill and near the anti-condensation effect of parts.
In addition; this refrigeration system is in realizing condensation-preventing device shutdown pressurize; by the setting of first throttle device, in the time that compressor shuts down, by the higher pressure refrigerant gas pressure release between the first switching device shifter and compressor air-discharging valve plate to evaporimeter and be back to compressor.Before this design can ensure that compressor starts again, suction, pressure at expulsion and general refrigerator are the same as poised state, do not increase the startup load of compressor, are beneficial to the normal startup of this system freezer compressor.
The utility model also provides a kind of refrigerator, it comprises this refrigeration system, ensure under compressor operating and halted state, more than the temperature of condensation-preventing device remains at dew-point temperature, solved the phenomenon that condensation appears in current refrigerator under hot and humid environment.
Brief description of the drawings
Fig. 1 is the schematic diagram of the refrigerator refrigeration system that provides of the utility model embodiment mono-.
Wherein:
1, compressor; 2, the first switching device shifter; 3, condensation-preventing device; 4, first throttle device; 5, the second switching device shifter; 6, condenser; 7, the second throttling arrangement; 8, filter; 9, three-way pipe; 10, the 3rd throttling arrangement; 11, evaporimeter;
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 the technical solution of the utility model below in conjunction with accompanying drawing and by detailed description of the invention.
Embodiment mono-
Fig. 1 is the schematic diagram of the refrigerator refrigeration system that provides of the present embodiment.As shown in Figure 1, a kind of refrigerator refrigeration system that the present embodiment provides, it comprises compressor 1, the first switching device shifter 2, condensation-preventing device 3, first throttle device 4, the second switching device shifters 5, condenser 6, the second throttling arrangement 7, filter 8, three-way pipe 9, the three throttling arrangements 10 and evaporimeter 11.
Concrete, the entrance of the first switching device shifter 2 is connected with the outlet of compressor 1, and the first switching device shifter 2 has the first outlet 21 and the second outlet 22.The entrance of condensation-preventing device 3 is connected with the first outlet 21 of the first switching device shifter 2.The second switching device shifter 5 has the first entrance 51, the second entrance 52, the 3rd outlet 53 and the 4th outlet 54, the first entrance 51 of the second switching device shifter 5 is connected with the outlet of condensation-preventing device 3, and the second entrance 52 of the second switching device shifter 5 is connected with the second outlet 22 of the first switching device shifter 2 by first throttle device 4.The entrance of condenser 6 is connected with the 3rd outlet 53 of the second switching device shifter 5.The entrance of filter 8 is connected with the outlet of condenser 6, three-way pipe 9 has the 3rd entrance 91 and the 4th entrance 92, the outlet of filter 8 is connected with the 3rd entrance 91 of three-way pipe 9, the 4th entrance 92 of three-way pipe 9 is connected with the 4th outlet 54 of the second switching device shifter 5 by the second throttling arrangement 7, and the outlet of three-way pipe 9 is connected with the entrance of the 3rd throttling arrangement 10.The outlet of the 3rd throttling arrangement 10 is connected with the entrance of evaporimeter 11, and the outlet of evaporimeter 11 is connected with the entrance of compressor 1.
That is to say compressor 1, the first switching device shifter 2, condensation-preventing device 3, the second switching device shifter 5, condenser 6, filter 8, three-way pipe 9, the 3rd throttling arrangement 10, evaporimeter 11 refrigerating circuit in series; Compressor 1, the first switching device shifter 2, first throttle device 4, the second switching device shifter 5, the second throttling arrangement 7, three-way pipe 9, the 3rd throttling arrangement 10, evaporimeter 11 form another loop.First loop evaporation by cold-producing medium and condensation in the time of compressor operating reach the object of refrigeration, scene 2 structure is entered by the second switching device shifter 5(two in second loop in the time that compressor shuts down) switching and the first switching device shifter 2 realize the sealing of condensation-preventing device 3 entrance and exits, reach that to keep its internal refrigeration storage agent pressure constant be temperature-resistant effect.
In the present embodiment, be preferably, first throttle device 4 and the second throttling arrangement 7 are pressure release capillary, its Main Function be in the time that compressor 1 shuts down by the first switching device shifter 2 by the high-pressure refrigeration pressure release between compressor 1 exhaust valve plate and the first switching device shifter 2 to evaporimeter 11 and be back to the suction end of compressor 1, suction and discharge side pressure equilibrium of forces while ensureing that compressor 1 starts again.
The first switching device shifter 2 is check valve, the effect of check valve is in the time that compressor 1 shuts down, because of compressor 1 not exhaust, thereby cause the pressure of its compressor side to realize the sealing of condensation-preventing device 3 entrances much smaller than the pressure of condensation-preventing device 3 internal refrigeration storage agent and the Action of Gravity Field of dependence spool.
The second switching device shifter 5 is magnetic valve, and switching circuit while shutdown for compressor 1 is realized sealing conducting first throttle device 4 and the second throttling arrangement 7 that condensation-preventing device 3 exports.Condensation-preventing device 3 is anti-condensation pipes, and the heat of vaporization giving out by it is fallen the condensation water producing because of refrigerating chamber surrounding leakage heat.In addition, the 3rd throttling arrangement 10 is capillary, has reduced the manufacturing cost of refrigeration system; Filter 8 is filter, can filtering refrigeration system in impurity, as various oxides and dust etc., thereby avoided the dirty stifled of the 3rd throttling arrangement 10.
In this refrigeration system course of work, the duty of the second switching device shifter 5 and compressor 1 are asynchronous, the second switching device shifter 5 no powers when compressor 1 turns round, and when compressor 1 shuts down, the second switching device shifter 5 is switched on.The course of work of refrigeration system is specific as follows:
When compressor 1 runs well, the second switching device shifter 5 no powers, the first entrance 51-the 3rd outlet 53 of the second switching device shifter 5 is conducting state, the second entrance 52-the 4th outlet 54 is closed condition.Because compressor 1 moves, the pressure at expulsion of the compressor side of the first switching device shifter 2 be greater than the first switching device shifter 2 anti-condensation pipes side pressure and be enough to overcome the weight of the first switching device shifter 2 spools self, entrance-the first outlet 21 of the first switching device shifter 2 is formed as conducting state, although now entrance-the second of the first switching device shifter 2 outlet 22 is also conducting state, but because being closed by the second switching device shifter 5 with the second outlet that exports the 22 first throttle devices 4 that are connected of the first switching device shifter 2, therefore cold-producing medium can only enter condensation-preventing device 3 through entrance-the first outlet 21 of the first switching device shifter 2.Refrigerating circuit is now compressor 1-first switching device shifter 2-condensation-preventing device 3-the second switching device shifter 5-condenser 6-filter 8-three-way pipe 9-the 3rd throttling arrangement 10-evaporimeter 11.
When compressor 1 is out of service, the second switching device shifter 5 is switched on, and the first entrance 51-the 3rd outlet 53 of the second switching device shifter 5 is closed condition, and the second entrance 52-the 4th outlet 54 is conducting state.Because compressor 1 shuts down, the pressure at expulsion of the compressor side of the first switching device shifter 2 be less than the first switching device shifter 2 anti-condensation pipes side pressure and be not enough to overcome the weight of the first switching device shifter 2 spools self, entrance-the first outlet 21 of the first switching device shifter 2 is formed as closed condition, now the entrance and exit of condensation-preventing device 3 is ended by the second switching device shifter 5 and the first switching device shifter 2 respectively, thereby has reached the object that keeps its internal refrigeration storage agent pressure.Entrance-the second outlet 22 of the first switching device shifter 2 is conducting state, because the second entrance 52-the 4th outlet 54 of the second switching device shifter 5 is conducting state, causes first throttle device 4 to form and connect with the second throttling arrangement 7.
Now in refrigeration system, residual cold-producing medium is divided into three parts: the one, residue in the part high-pressure refrigerant between the first switching device shifter 2 and compressor 1; The 2nd, be closed in the high-pressure refrigerant in condensation-preventing device 3; The 3rd, residue in the cold-producing medium in condenser 6 and evaporimeter 11.Except the cold-producing medium being enclosed in condensation-preventing device 3, all the other two parts cold-producing mediums are back to compressor by following two loops, to ensure the suction of compressor 1, the balance of exhaust lateral pressure.Residue in part high-pressure refrigerant between the first switching device shifter 2 and compressor 1 and realize the refrigeration of refrigerator by following loop: the first switching device shifter 2(entrance-the second outlet 22)-first throttle device 4-second switching device shifter 5(the second entrance 52-the 4th outlet 54) the-second throttling arrangement 7-three-way pipe 9-the 3rd throttling arrangement 10-evaporimeter 11-compressor 1(suction end); The part cold-producing medium that residues in condenser 6 and evaporimeter 11 is realized the refrigeration of refrigerator by following loop: condenser 6-filter 8-three-way pipe 9-the 3rd throttling arrangement 10-evaporimeter 11-compressor 1(suction end).
Embodiment bis-
A kind of refrigerator providing in the present embodiment, comprises refrigeratory body, is provided with at least one chamber in refrigeratory body, also comprises refrigerator refrigeration system described above, refrigeration system for pair between chamber refrigeration.Concrete process of refrigerastion, as the described process of embodiment mono-, ensured under compressor operating and halted state, more than the temperature of condensation-preventing device remains at dew-point temperature, solved the phenomenon that condensation appears in current refrigerator under hot and humid environment.
In conjunction with detailed description of the invention, know-why of the present utility model is described above.These are described is in order to explain principle of the present utility model, and can not be interpreted as by any way the restriction to the utility model protection domain.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present utility model, and these modes all will fall in protection domain of the present utility model.
Claims (8)
1. a refrigerator refrigeration system, is characterized in that,
Comprise compressor (1);
The first switching device shifter (2), the entrance of described the first switching device shifter (2) is connected with the outlet of described compressor (1), and described the first switching device shifter (2) has the first outlet (21) and the second outlet (22);
The second switching device shifter (5), described the second switching device shifter (5) has the first entrance (51), the second entrance (52), the 3rd outlet (53) and the 4th outlet (54);
Condensation-preventing device (3), the entrance of described condensation-preventing device (3) is connected with the first outlet (21) of described the first switching device shifter (2);
First entrance (51) of described the second switching device shifter (5) is connected with the outlet of described condensation-preventing device (3), and second entrance (52) of described the second switching device shifter (5) is connected with the second outlet (22) of described the first switching device shifter (2) by first throttle device (4);
Condenser (6), the entrance of described condenser (6) is connected with the 3rd outlet (53) of described the second switching device shifter (5);
The 4th outlet (54) of described the second switching device shifter (5) is connected with the 3rd throttling arrangement (10) by the second throttling arrangement (7);
Evaporimeter (11), the entrance of described evaporimeter (11) is connected with the outlet of described condenser (6) by described the 3rd throttling arrangement (10), and the outlet of described evaporimeter (11) is connected with the entrance of described compressor (1).
2. refrigerator refrigeration system according to claim 1, is characterized in that,
Between described condenser (6) and described the 3rd throttling arrangement (10), be disposed with filter (8) and three-way pipe (9);
Described three-way pipe (9) has the 3rd entrance (91) and the 4th entrance (92);
The entrance of described filter (8) is connected with the outlet of described condenser (6), the outlet of described filter (8) is connected with the 3rd entrance (91) of described three-way pipe (9), the 4th entrance (92) of described three-way pipe (9) is connected with the 4th outlet (54) of described the second switching device shifter (5) by described the second throttling arrangement (7), and the outlet of described three-way pipe (9) is connected with the entrance of described the 3rd throttling arrangement (10).
3. refrigerator refrigeration system according to claim 1, is characterized in that,
Described the first switching device shifter (2) is check valve, and described the second switching device shifter (5) is magnetic valve.
4. refrigerator refrigeration system according to claim 1, is characterized in that,
Described first throttle device (4) and described the second throttling arrangement (7) are pressure release capillary.
5. refrigerator refrigeration system according to claim 1, is characterized in that,
Described condensation-preventing device (3) is anti-condensation pipes.
6. refrigerator refrigeration system according to claim 1, is characterized in that,
Described the 3rd throttling arrangement (10) is capillary.
7. refrigerator refrigeration system according to claim 2, is characterized in that,
Described filter (8) is filter.
8. a refrigerator, comprises refrigeratory body, is provided with at least one chamber in described refrigeratory body, it is characterized in that,
Also comprise the refrigerator refrigeration system as described in claim 1-7 any one, described refrigeration system is for freezing to chamber between described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320890565.2U CN203704418U (en) | 2013-12-30 | 2013-12-30 | Refrigerator refrigerating system and refrigerator with refrigerator refrigerating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320890565.2U CN203704418U (en) | 2013-12-30 | 2013-12-30 | Refrigerator refrigerating system and refrigerator with refrigerator refrigerating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203704418U true CN203704418U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320890565.2U Expired - Fee Related CN203704418U (en) | 2013-12-30 | 2013-12-30 | Refrigerator refrigerating system and refrigerator with refrigerator refrigerating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203704418U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743139A (en) * | 2013-12-30 | 2014-04-23 | 合肥晶弘电器有限公司 | Refrigerator refrigeration system and refrigerator with same |
| CN110285595A (en) * | 2019-06-12 | 2019-09-27 | 合肥美的电冰箱有限公司 | Refrigeration system and refrigeration equipment with it |
-
2013
- 2013-12-30 CN CN201320890565.2U patent/CN203704418U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743139A (en) * | 2013-12-30 | 2014-04-23 | 合肥晶弘电器有限公司 | Refrigerator refrigeration system and refrigerator with same |
| CN103743139B (en) * | 2013-12-30 | 2016-08-31 | 合肥晶弘电器有限公司 | A kind of refrigerator refrigeration system and there is the refrigerator of this refrigeration system |
| CN110285595A (en) * | 2019-06-12 | 2019-09-27 | 合肥美的电冰箱有限公司 | Refrigeration system and refrigeration equipment with it |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20141230 |
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| EXPY | Termination of patent right or utility model |