CN202304052U - Refrigerator and refrigeration system thereof - Google Patents
Refrigerator and refrigeration system thereof Download PDFInfo
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- CN202304052U CN202304052U CN201120377121XU CN201120377121U CN202304052U CN 202304052 U CN202304052 U CN 202304052U CN 201120377121X U CN201120377121X U CN 201120377121XU CN 201120377121 U CN201120377121 U CN 201120377121U CN 202304052 U CN202304052 U CN 202304052U
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Abstract
The utility model provides a refrigerator and a refrigeration system of the refrigerator. The refrigeration system comprises a compressor, a condenser, a condensation prevention device, a capillary pipe, a freezing evaporator, a cold storage evaporator and a switching unit, wherein an inlet of the condenser is connected with an outlet of the compressor, an inlet of the condensation prevention device is connected with the outlet of the compressor and is connected with the condenser in parallel, the switching unit is provided with a first inlet, a second inlet, a first outlet, a second outlet and a third outlet, the first inlet is connected with an outlet of the condensation prevention device, the second inlet is respectively connected with the first outlet and an outlet of the condenser, and the connection or the disconnection between the first inlet and the first outlet is switched by the switching unit. The refrigeration system of the refrigerator provided by the embodiment of the utility model has the advantages that the on-off state of the condensation prevention device can be automatically switched, so the load of the refrigerator is reduced, the start-up rate of the refrigerator is reduced, the refrigeration efficiency is improved, and further, the energy consumption of the refrigerator is reduced.
Description
Technical field
The utility model relates to the refrigerator refrigeration technology field, particularly relates to a kind of refrigerator and refrigeration system thereof
Background technology
Very big temperature difference is arranged owing to refrigerator is inside and outside, form " cold bridge " in casing inside and outside shell joint portion, the heat-proof quality of adding refrigerator gasket is relatively poor, and door of refrigerator body temperature is on every side reduced.If when its temperature drops to the relative dew-point temperature of air humidity, the condensation phenomenon promptly occurs.This not only causes trouble to the user, but also casing is produced action of rust.
At present traditional refrigerator is provided with anti-condensation device at the easy condensation place that takes place mostly in order to prevent condensation; Yet in use; Anti-condensation device is in open mode always, has therefore increased the load of refrigerator, has reduced the refrigerating efficiency of refrigerator and has increased energy consumption.
The utility model content
The utility model is intended to one of solve the problems of the technologies described above at least.
For this reason, the utility model purpose is to propose a kind of refrigerator refrigeration system that can open or close anti-condensation device automatically.
Refrigerator refrigeration system according to the utility model embodiment comprises: compressor; Condenser, the inlet of said condenser links to each other with the outlet of said compressor; Anti-condensation device, the inlet of said anti-condensation device links to each other with the outlet of said compressor and is parallelly connected with said condenser; Capillary, said capillary comprise first capillary and second capillary; Refrigerating evaporator and refrigeration evaporator; The inlet of said refrigerating evaporator links to each other with the outlet of said second outlet capillaceous and said refrigeration evaporator respectively and the outlet of said refrigerating evaporator links to each other with the inlet of said compressor, and the inlet of said refrigeration evaporator links to each other with said first outlet capillaceous; And switch unit; Said switch unit has first and second inlet and first to the 3rd outlets; Said first inlet links to each other with said anti-condensation device outlet; Said second inlet links to each other with the outlet of said condenser with said first outlet respectively, and said second outlet links to each other with said first inlet capillaceous, and said the 3rd outlet links to each other with said second inlet capillaceous; Wherein said switch unit switches being communicated with or disconnection between said first inlet and said first outlet, and switch said second inlet respectively with being communicated with or disconnection between said second outlet and the said the 3rd exports.
Refrigerator refrigeration system according to the utility model embodiment; When ambient humidity was big, door of refrigerator and doorframe contact position were prone to condensation, and then caused a seal mould; This moment, switch unit was communicated with between switching first inlet and first exporting; Make cold-producing medium flow through anti-condensation device, thereby avoided refrigerator to produce condensation, prolonged the service life of refrigerator with the anti-condensation unit temp that raises.Particularly join than the polyphone with condenser, parallel way can make the surface temperature of anti-condensation device further improve (raising is about 5 ℃).Otherwise; When ambient humidity is low when being difficult for producing condensation, switch unit switches between first inlet and first outlet and breaks off, and prevents the condensation device because cold-producing medium is not flowed through; Therefore reduced the load of refrigerator; Reduce the Homes Using TV of refrigerator, improved refrigerating efficiency, and then reduced the energy consumption of refrigerator.In addition, can freely switch opening or closing of anti-condensation device, and simple in structure being convenient to made according to the refrigerator refrigeration system of the utility model embodiment.
Refrigerator refrigeration system according to the utility model embodiment; Through switch unit can freely switch second the inlet respectively with second the outlet and the 3rd the outlet between be communicated with or disconnection; Therefore; Can open or close refrigeration evaporator and refrigerating evaporator respectively, to reach the joint purpose that refrigerator can be good more.In addition, switch unit not only can open or close anti-condensation device, and can control the unlatching of refrigeration refrigeration evaporator and refrigerating evaporator or close, so need not to establish in addition switch unit, has reduced manufacturing cost, and has simplified the route of refrigeration system.
In addition, the refrigerator refrigeration system according to the utility model the foregoing description can also have following additional technical feature:
According to an embodiment of the utility model, said condenser comprises first and second condensers, said first condenser with after said anti-condensation device is parallelly connected again and said second condenser be connected between the outlet and said second inlet of said compressor.
An embodiment according to the utility model is characterized in that said switch unit is a magnetic valve.
According to an embodiment of the utility model,, the outlet and said second of said second condenser is provided with device for drying and filtering between entering the mouth.
According to an embodiment of the utility model, said anti-condensation device is a dew eliminating tube.
According to the utility model kind refrigerator of embodiment on the other hand, comprising: casing is limited with refrigerating chamber and refrigerating chamber in the said casing; Refrigeration system, said refrigeration system are according to the described refrigerator refrigeration system of above-mentioned each embodiment, and the refrigerating evaporator of wherein said refrigeration system is used for said refrigerating chamber refrigeration, and said refrigeration evaporator is used for said refrigerating chamber refrigeration; Humidity sensor, said humidity sensor is used for testing environment humidity; Cryogenic temperature sensor and refrigerated storage temperature sensor, said cryogenic temperature sensor is used to detect said freezing indoor temperature, and said refrigerated storage temperature sensor is used for detecting the refrigeration indoor temperature; And control module, said control module is controlled said switch unit,
The testing result of wherein working as said humidity sensor is greater than the humidity preset value, and said control module controls said first inlet through said switch unit and said first outlet is communicated with; When the testing result of said humidity sensor less than said humidity preset value, said control module is controlled said first inlet through said switch unit and is broken off with said first outlet,
When the testing result of said cryogenic temperature sensor is higher than freezing preset temperature, said control module is controlled said second inlet and the said the 3rd through said switch unit and is exported and be communicated with; When the testing result of said cryogenic temperature sensor is lower than said freezing preset temperature, said control module is controlled said second inlet through said switch unit and is broken off with said the 3rd outlet;
When the testing result of said refrigerated storage temperature sensor is higher than the refrigeration preset temperature, said control module is controlled said second inlet and said second through said switch unit and is exported and be communicated with; When the testing result of said refrigerated storage temperature sensor is lower than said refrigeration preset temperature, said control module is controlled said second inlet through said switch unit and is broken off with said second outlet.
Refrigerator according to the utility model embodiment; Through can the automatically switch opening and closing of anti-condensation device of switch unit and humidity sensor; At the load that guarantees to prevent farthest to have reduced under the prerequisite that condensation produces refrigerator; Reduce the Homes Using TV of refrigerator, improved refrigerating efficiency, and then reduced the energy consumption of refrigerator.In addition, through same switch unit, the refrigerator of the utility model embodiment can be controlled the opening and closing of refrigeration evaporator and refrigerating evaporator automatically, to reach the purpose of energy efficient.In addition, the refrigerator structure of the utility model embodiment is simple, is convenient to make.
Additional aspect of the utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize through the practice of the utility model.
Description of drawings
Above-mentioned and/or additional aspect of the utility model and advantage obviously with are easily understood becoming the description of embodiment from combining figs, wherein:
Fig. 1 is the sketch map according to the refrigerator refrigeration system of an embodiment of the utility model;
Fig. 2 is the partial enlarged drawing at A place among Fig. 1; With
Fig. 3 is the sketch map according to the refrigerator refrigeration system of another embodiment of the utility model.
The specific embodiment
Describe the embodiment of the utility model below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the utility model, and can not be interpreted as restriction the utility model.
In the description of the utility model; It will be appreciated that; The orientation of indications such as term " " center ", " vertically ", " laterally ", " on ", D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward " or position relation are for based on orientation shown in the drawings or position relation; only be to describe with simplifying for the ease of describing the utility model; rather than the device or the element of indication or hint indication must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction to the utility model.
In addition, term " first ", " second " only are used to describe purpose, and can not be interpreted as indication or hint relative importance.
In the description of the utility model, need to prove that only if clear and definite regulation and qualification are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be to be fixedly connected, connect integratedly, also can be to removably connect; Can be mechanical connection or electrical connection, also can be the connection of two element internals; Can be directly to link to each other, also can link to each other indirectly, for those of ordinary skill in the art, can understand the concrete implication of above-mentioned term as the case may be through intermediary.
Followingly refrigerator refrigeration system according to the utility model embodiment is described with reference to figure 1-3.
Refrigerator refrigeration system according to the utility model embodiment comprises: compressor 1, condenser 2, anti-condensation device 3, capillary, refrigeration evaporator 5, refrigerating evaporator 6 and switch unit 7.
Particularly, the inlet 202 of condenser 2 links to each other with the outlet 11 of compressor 1, and the inlet 32 of anti-condensation device 3 links to each other with the outlet 11 of compressor 1, and condenser 2 is parallelly connected with anti-condensation device 3.
As shown in Figure 2, switch unit 7 has first inlet, 71, first outlet, 72, second inlet, 73, second outlet the 74 and the 3rd outlet 75.First inlet 71 links to each other with the outlet 31 of anti-condensation device 3, and second inlet 73 links to each other with the outlet 201 of condenser 2 with first outlet 72 respectively, with form prevent condensation device 3 and switch unit 7 contact after parallelly connected with condenser 2 again mechanism.Capillary comprises first capillary 41 and second capillary 42, and second outlet 74 of switch unit 7 links to each other with the inlet 412 of first capillary 41, and the 3rd exports 75 links to each other with the inlet 422 of second capillary 42.
The inlet 62 of refrigerating evaporator 6 links to each other with the outlet 421 of second capillary 42 and the outlet 51 of refrigeration evaporator 5 respectively; The outlet 61 of refrigerating evaporator 6 links to each other with the inlet 12 of compressor 1, and the inlet 52 of refrigeration evaporator 5 links to each other with the outlet 411 of first capillary 41.
Switch unit 7 switches when being communicated with between first inlet 71 and first outlet 72, anti-condensation device 3 open (be cold-producing medium cycle through prevent condensation device 3) and in kind of refrigeration cycle with condenser 2 parallel operations; Switch unit 7 switches when breaking off between 71 and first outlet 72 of first inlet, makes to put condensation device 3 and close (be cold-producing medium through anti-condensation device 3, prevent that condensation device 3 withdraws from from kind of refrigeration cycle).
Refrigerator refrigeration system according to the utility model embodiment; When ambient humidity was big, door of refrigerator and doorframe contact position were prone to condensation, and then caused a seal mould; Be communicated with between switch unit 7 switchings, first inlet 71 and first outlet 72 this moment; Make cold-producing medium flow through anti-condensation device 3, thereby avoided refrigerator to produce condensation, prolonged the service life of refrigerator with the anti-condensation unit temp that raises.Particularly than with the connecting of condenser 3, parallel way can make the surface temperature of anti-condensation device 3 further improve (raising is about 5 ℃).Otherwise; When ambient humidity is low when being difficult for producing condensation, switch unit 7 switches between 71 and first outlet 72 of first inlet and breaks off, and prevents condensation device 3 because cold-producing medium is not flowed through; Therefore reduced the load of refrigerator; Reduce the Homes Using TV of refrigerator, improved refrigerating efficiency, and then reduced the energy consumption of refrigerator.In addition, can freely switch opening or closing of anti-condensation device, and simple in structure being convenient to made according to the refrigerator refrigeration system of the utility model embodiment.
Refrigerator refrigeration system according to the utility model embodiment; Can freely switch second inlet 73 through switch unit 7 and export being communicated with or disconnection between 75 with second outlet the 74 and the 3rd respectively; Therefore; Can open or close respectively refrigeration evaporator 5 and refrigerating evaporator 6 (even cold-producing medium through refrigeration evaporator 5 with refrigerating evaporator 6 or make cold-producing medium through refrigeration evaporator 5 and refrigerating evaporator 6), to reach the good purpose of refrigerator energy-saving.In addition, switch unit 7 not only can open or close anti-condensation device 3, and can control the unlatching of refrigeration evaporator 5 and refrigerating evaporator 6 or close, and therefore need not to establish in addition switch unit, has reduced manufacturing cost, and has simplified the route of refrigeration system.
As shown in Figure 3, according to an embodiment of the utility model, condenser 2 comprises first condenser 21 and second condenser 22.The outlet 12 of inlet 212 compressors 1 of first condenser 21 connects, and the outlet 211 of first condenser 21 links to each other with the inlet 222 of second condenser 22, and first condenser 21 is parallelly connected with anti-condensation device 3.
When between switch unit 7 switches first inlet 71 and first outlet 72, being communicated with, after first condenser 21 and anti-condensation device 3 are parallelly connected again and the outlet 11 and second that is connected on compressor 1 of second condenser 22 enter the mouth between 73.When breaking off between 71 and first outlet 72 of switch unit 7 switchings first inlet, first condenser 21 and second condenser 22 are connected between the outlet 11 and second inlet 73 of compressor 1.
According to the refrigerator refrigeration system of the utility model embodiment, set up a condenser like above-mentioned structure and can improve refrigerating efficiency, increase refrigeration.
Since magnetic valve have switch accurately, simple, controllability is strong, long service life and advantage such as cheap, preferably, switch unit 7 adopts magnetic valves.
According to an example of the utility model, between the outlet 221 of second condenser 22 and second inlet 73, be provided with device for drying and filtering 8.At the upper reaches capillaceous device for drying and filtering 8 is set, can contaminant filters such as pressed powder in the cold-producing medium and dirt be fallen, therefore prevent that capillary is blocked.In addition, the moisture moisture moisture of device for drying and filtering 8 in can also the absorption refrigeration agent is to improve refrigeration.
Preferably, anti-condensation device 3 adopts dew eliminating tube.Dew eliminating tube has good toughness, therefore can be arranged on chamber door and doorframe contact position better, and dew eliminating tube is high temperature resistant and long service life.
Refrigerator according to the utility model embodiment is described below.
Refrigerator according to the utility model embodiment comprises: casing, humidity sensor, cryogenic temperature sensor, refrigerated storage temperature sensor, control module (all not showing among the figure) and refrigeration system.
Particularly, be limited with refrigerating chamber and refrigerating chamber in the casing.Refrigeration system is the described refrigerator refrigeration system of above-mentioned each embodiment.The said refrigerating evaporator 6 of refrigeration system is used for the refrigerating chamber refrigeration, and said refrigeration evaporator 5 is used for the refrigerating chamber refrigeration, and said anti-condensation device 3 is used to suppress chamber door and the doorframe contact position produces condensation.
Humidity sensor is used for testing environment humidity.The cryogenic temperature sensor is used to detect freezing indoor temperature, and the refrigerated storage temperature sensor is used for detecting the refrigeration indoor temperature.Control module is controlled said switch unit 7.
When the testing result of humidity sensor greater than the humidity preset value, control module exports 72 through said first inlet 71 of said switch unit 7 controls and said first and is communicated with; When the testing result of humidity sensor less than the humidity preset value, control module breaks off through said first inlet 71 of said switch unit 7 controls and said first outlet 72.Refrigerator according to the utility model embodiment can automatically switch between the opening and closing of anti-condensation device 7 thus.
When the testing result of cryogenic temperature sensor is higher than freezing preset temperature, control module exports 75 through said second inlet 73 of said switch unit 7 controls and the said the 3rd and is communicated with, and refrigerating evaporator 6 is freezed to refrigerating chamber; When the testing result of cryogenic temperature sensor is lower than freezing preset temperature, control module breaks off through said second inlet 73 of said switch unit 7 controls and said the 3rd outlet 75, makes refrigerating evaporator 6 stop refrigeration, with energy efficient.
When the testing result of refrigerated storage temperature sensor is higher than the refrigeration preset temperature, control module is communicated with said second outlet 74 through said second inlet 73 of said switch unit 7 controls, and refrigeration evaporator 5 and refrigerating evaporator 6 are freezed to refrigerating chamber and refrigerating chamber respectively; When the testing result of refrigerated storage temperature sensor is lower than the refrigeration preset temperature, control module breaks off through said second inlet 73 of said switch unit 7 controls and said second outlet 74, makes refrigeration evaporator 5 stop refrigeration, with energy efficient.
Refrigerator according to the utility model embodiment; Through can the automatically switch opening and closing of anti-condensation device 3 of switch unit 7 and humidity sensor; At the load that guarantees to prevent farthest to have reduced under the prerequisite that condensation produces refrigerator; Reduce the Homes Using TV of refrigerator, improved refrigerating efficiency, and then reduced the energy consumption of refrigerator.In addition, through same switch unit 7, the refrigerator of the utility model embodiment can be controlled the opening and closing of refrigeration evaporator 5 and refrigerating evaporator 6 automatically, to reach the purpose of energy efficient.In addition, the refrigerator structure of the utility model embodiment is simple, is convenient to make.
Other formations according to the refrigerator of the utility model the foregoing description can be that those of ordinary skills are known, repeat no more at this.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means the concrete characteristic, structure, material or the characteristics that combine this embodiment or example to describe and is contained among at least one embodiment or example of the utility model.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete characteristic, structure, material or the characteristics of description can combine with suitable manner in any one or more embodiment or example.
Although illustrated and described the embodiment of the utility model; Those having ordinary skill in the art will appreciate that: under the situation of principle that does not break away from the utility model and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, the scope of the utility model is limited claim and equivalent thereof.
Claims (6)
1. a refrigerator refrigeration system is characterized in that, comprising:
Compressor;
Condenser, the inlet of said condenser links to each other with the outlet of said compressor;
Anti-condensation device, the inlet of said anti-condensation device links to each other with the outlet of said compressor and is parallelly connected with said condenser;
Capillary, said capillary comprise first capillary and second capillary;
Refrigerating evaporator and refrigeration evaporator; The inlet of said refrigerating evaporator links to each other with the outlet of said second outlet capillaceous and said refrigeration evaporator respectively and the outlet of said refrigerating evaporator links to each other with the inlet of said compressor, and the inlet of said refrigeration evaporator links to each other with said first outlet capillaceous; With
Switch unit; Said switch unit has first and second inlet and first to the 3rd outlets; Said first inlet links to each other with said anti-condensation device outlet; Said second inlet links to each other with the outlet of said condenser with said first outlet respectively, and said second outlet links to each other with said first inlet capillaceous, and said the 3rd outlet links to each other with said second inlet capillaceous; Wherein said switch unit switches being communicated with or disconnection between said first inlet and said first outlet, and switch said second inlet respectively with being communicated with or disconnection between said second outlet and the said the 3rd exports.
2. refrigerator refrigeration system according to claim 1; It is characterized in that; Said condenser comprises first and second condensers, said first condenser with after said anti-condensation device is parallelly connected again and said second condenser be connected between the outlet and said second inlet of said compressor.
3. refrigerator refrigeration system according to claim 1 and 2 is characterized in that, said switch unit is a magnetic valve.
4. refrigerator refrigeration system according to claim 2 is characterized in that, between the outlet and said second of said second condenser enters the mouth, is provided with device for drying and filtering.
5. refrigerator refrigeration system according to claim 1 and 2 is characterized in that, said anti-condensation device is a dew eliminating tube.
6. a refrigerator is characterized in that, comprising:
Casing is limited with refrigerating chamber and refrigerating chamber in the said casing;
Refrigeration system, said refrigeration system are according to each described refrigerator refrigeration system among the claim 1-5, and the refrigerating evaporator of wherein said refrigeration system is used for said refrigerating chamber refrigeration, and said refrigeration evaporator is used for said refrigerating chamber refrigeration;
Humidity sensor, said humidity sensor is used for testing environment humidity;
Cryogenic temperature sensor and refrigerated storage temperature sensor, said cryogenic temperature sensor is used to detect said freezing indoor temperature, and said refrigerated storage temperature sensor is used for detecting the refrigeration indoor temperature; With
Control module, said control module is controlled said switch unit,
The testing result of wherein working as said humidity sensor is greater than the humidity preset value, and said control module controls said first inlet through said switch unit and said first outlet is communicated with; When the testing result of said humidity sensor less than said humidity preset value, said control module is controlled said first inlet through said switch unit and is broken off with said first outlet,
When the testing result of said cryogenic temperature sensor is higher than freezing preset temperature, said control module is controlled said second inlet and the said the 3rd through said switch unit and is exported and be communicated with; When the testing result of said cryogenic temperature sensor is lower than said freezing preset temperature, said control module is controlled said second inlet through said switch unit and is broken off with said the 3rd outlet;
When the testing result of said refrigerated storage temperature sensor is higher than the refrigeration preset temperature, said control module is controlled said second inlet and said second through said switch unit and is exported and be communicated with; When the testing result of said refrigerated storage temperature sensor is lower than said refrigeration preset temperature, said control module is controlled said second inlet through said switch unit and is broken off with said second outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120377121XU CN202304052U (en) | 2011-10-08 | 2011-10-08 | Refrigerator and refrigeration system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120377121XU CN202304052U (en) | 2011-10-08 | 2011-10-08 | Refrigerator and refrigeration system thereof |
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| CN202304052U true CN202304052U (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201120377121XU Withdrawn - After Issue CN202304052U (en) | 2011-10-08 | 2011-10-08 | Refrigerator and refrigeration system thereof |
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| CN (1) | CN202304052U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322703A (en) * | 2011-10-08 | 2012-01-18 | 合肥美的荣事达电冰箱有限公司 | Refrigerator and refrigerating system thereof |
| CN103542567A (en) * | 2013-10-10 | 2014-01-29 | 青岛澳柯玛超低温冷冻设备有限公司 | Multiple-temperature-zone independent control system and temperature control method for refrigeration equipment |
| CN105004126A (en) * | 2015-08-05 | 2015-10-28 | 合肥美的电冰箱有限公司 | Refrigerator refrigeration system and refrigerator |
| CN106225283A (en) * | 2016-07-18 | 2016-12-14 | 青岛海尔股份有限公司 | Refrigeration system and there is its refrigerator |
-
2011
- 2011-10-08 CN CN201120377121XU patent/CN202304052U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322703A (en) * | 2011-10-08 | 2012-01-18 | 合肥美的荣事达电冰箱有限公司 | Refrigerator and refrigerating system thereof |
| CN102322703B (en) * | 2011-10-08 | 2013-07-03 | 合肥美的荣事达电冰箱有限公司 | Refrigerator and refrigerating system thereof |
| CN103542567A (en) * | 2013-10-10 | 2014-01-29 | 青岛澳柯玛超低温冷冻设备有限公司 | Multiple-temperature-zone independent control system and temperature control method for refrigeration equipment |
| CN103542567B (en) * | 2013-10-10 | 2016-03-30 | 青岛澳柯玛超低温冷冻设备有限公司 | A kind of independent control system of many warm areas for refrigeration plant and temperature control method |
| CN105004126A (en) * | 2015-08-05 | 2015-10-28 | 合肥美的电冰箱有限公司 | Refrigerator refrigeration system and refrigerator |
| CN105004126B (en) * | 2015-08-05 | 2017-12-19 | 合肥美的电冰箱有限公司 | Refrigerator refrigeration system and refrigerator |
| CN106225283A (en) * | 2016-07-18 | 2016-12-14 | 青岛海尔股份有限公司 | Refrigeration system and there is its refrigerator |
| CN106225283B (en) * | 2016-07-18 | 2018-10-12 | 青岛海尔股份有限公司 | Refrigeration system and refrigerator with it |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120704 Effective date of abandoning: 20130703 |
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| RGAV | Abandon patent right to avoid regrant |