CN102080895A - Refrigerating system, refrigerator with same and control method thereof - Google Patents

Refrigerating system, refrigerator with same and control method thereof Download PDF

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Publication number
CN102080895A
CN102080895A CN2011100238694A CN201110023869A CN102080895A CN 102080895 A CN102080895 A CN 102080895A CN 2011100238694 A CN2011100238694 A CN 2011100238694A CN 201110023869 A CN201110023869 A CN 201110023869A CN 102080895 A CN102080895 A CN 102080895A
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China
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described
temperature
chamber
refrigeration system
refrigerator
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CN2011100238694A
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Chinese (zh)
Inventor
马瑞
江明波
张华伟
耿秀华
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合肥美的荣事达电冰箱有限公司
合肥华凌股份有限公司
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Priority to CN2011100238694A priority Critical patent/CN102080895A/en
Publication of CN102080895A publication Critical patent/CN102080895A/en

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Abstract

The invention provides a refrigerating system, a refrigerator with the same and a control method thereof, wherein the refrigerating system comprises a compressor, a condenser, a switching unit, a refrigerating chamber capillary, a refrigerating chamber evaporator, a variable-temperature chamber capillary, a variable-temperature chamber evaporator and a freezing chamber evaporator, wherein an inlet of the condenser is connected with an outlet of the compressor; the switching unit is provided with an inlet, a first outlet and a second outlet, and the inlet of the switching unit is connected with the outlet of the condenser; the inlet of the refrigerating chamber evaporator is connected with the first outlet of the switching unit through the refrigerating chamber capillary; the inlet of the variable-temperature chamber evaporator is connected with the second outlet of the switching unit through the variable-temperature chamber capillary; and the inlet of the freezing chamber evaporator is connected with the outlet of the variable-temperature chamber evaporator and the outlet of the refrigerating chamber evaporator, and the outlet of the freezing chamber evaporator is connected with the inlet of the compressor. The refrigerator using the refrigerating system provided by the invention has the advantages of low noise, low energy consumption and low cost.

Description

Refrigeration system, refrigerator and control method thereof with this refrigeration system

Technical field

The present invention relates to technical field of refrigeration equipment, particularly a kind of refrigeration system, refrigerator and this control method of refrigerator with this refrigeration system.

Background technology

Along with the continuous development of society, the kind of food is also more and more, and different types of food need be preserved under different temperature, and it is prolonged storage period.At present, because food variety is various, different food causes two traditional refrigerator food freshness preserving equipments can not satisfy the requirement of user to food fresh keeping to the requirement difference of temperature, and two refrigerators can only be arranged to two kinds of temperature, so, can not satisfy user's requirement.

Therefore, three-door refrigerator is thereupon developing, and three-door refrigerator can satisfy the more temperature requirement of user, for example: the green vegetable preservation temperature is 12 degree, and tropical fruit (tree) is 10 degree, and delicatessen is 8 degree, beer beverage is 4 degree, and fresh meat is-18 degree, and fish and shrimp are 0 degree.But traditional three-door refrigerator adopts three to show control, the design of three systems, because traditional three-door refrigerator adopts three capillaries and a three-position four-way valve to control, causes that operational noise of system is big, cost is high and energy consumption is high.

Summary of the invention

Purpose of the present invention is intended to solve at least one of above-mentioned technological deficiency.

For this reason, the objective of the invention is to propose a kind of cost and the low refrigeration system of energy consumption.

Another object of the present invention is to propose a kind of refrigerator with above-mentioned refrigeration system.

A further object of the present invention is to propose a kind of above-mentioned control method of refrigerator.

To achieve these goals, the embodiment of one aspect of the invention proposes a kind of refrigeration system and comprises: compressor; Condenser, the inlet of described condenser links to each other with the outlet of described compressor; Switch unit, described switch unit have the inlet and first and second outlets, and the inlet of described switch unit links to each other with the outlet of described condenser; The refrigerating chamber capillary; Refrigerator evaporator, the inlet of described refrigerator evaporator links to each other with first outlet of described switch unit by described refrigerating chamber capillary; The temperature-changing chamber capillary; The temperature-changing chamber evaporimeter, the inlet of described temperature-changing chamber evaporimeter links to each other with second outlet of described switch unit by described temperature-changing chamber capillary; And freezer evaporator, and the outlet of described refrigerator evaporator links to each other and the outlet of described freezer evaporator links to each other with the inlet of described compressor in the outlet of the inlet of described freezer evaporator and described temperature-changing chamber evaporimeter.

Refrigeration system according to the embodiment of the invention, can between the temperature-changing chamber evaporimeter of parallel connection and refrigerator evaporator, switch the operation of cold-producing medium by switch unit, and temperature-changing chamber evaporimeter and refrigerator evaporator are connected with freezer evaporator, therefore, by optionally moving temperature-changing chamber evaporimeter and refrigerator evaporator, can be individually to refrigerating chamber and temperature-changing chamber refrigeration, to refrigerating chamber or temperature-changing chamber refrigeration the time, also refrigerating chamber is freezed, reduced energy consumption, and by temperature-changing chamber evaporimeter in parallel and refrigerator evaporator, and they are connected with freezer evaporator, two capillaries have only been used, reduce number of spare parts, reduced cost, and according to the refrigeration system of embodiment of the invention control and simple to operate.

In one embodiment of the invention, described condenser comprises first and second condensers of series connection.

In one embodiment of the invention, be in series with dew eliminating tube between described first and second condensers.

In one embodiment of the invention, be provided with device for drying and filtering between described condenser and the described switch unit.

In one embodiment of the invention, described refrigeration system further comprises the return-air heat exchanger, described return-air heat exchanger be used for turn back to from described freezer evaporator in the described compressor cold-producing medium with enter into described temperature-changing chamber evaporimeter and the described refrigerator evaporator cold-producing medium in one of at least from described switch unit and carry out heat exchange.

In one embodiment of the invention, described switch unit is a two-position three way magnetic valve.

The embodiment of second aspect present invention proposes a kind of refrigerator, comprising: casing is limited with refrigerating chamber, temperature-changing chamber and refrigerating chamber in the described casing; Chamber door, described chamber door are installed in and are used for the described refrigerating chamber of switch, temperature-changing chamber and refrigerating chamber on the described casing; And refrigeration system, described refrigeration system can be for according to the described refrigeration system of the embodiment of first aspect present invention, and described refrigeration system is used for respectively to described refrigerating chamber, temperature-changing chamber and refrigerating chamber refrigeration.

According to refrigerator of the present invention, it is low to have energy consumption, and running noises is little, energy-saving advantages.

In one embodiment of the invention, described chamber door comprises first to the 3rd chamber door, and described first to the 3rd chamber door difference is the described refrigerating chamber of switch, temperature-changing chamber and refrigerating chamber independently.

The embodiment of third aspect present invention proposes a kind ofly to be used for control according to the described control method of refrigerator of second aspect present invention embodiment, may further comprise the steps: detect first temperature in the described refrigerating chamber; To detect first temperature and first preset temperature compares,, then control the refrigerator evaporator operation with to described refrigerating chamber refrigeration if first temperature is greater than or equal to first preset temperature; If described first temperature is lower than described first preset temperature, then stops described refrigerator evaporator operation and detect the second interior temperature of temperature-changing chamber; With detected described second temperature and second preset temperature are compared, if described second temperature is greater than or equal to described second preset temperature, then control temperature-changing chamber evaporimeter operation with to described temperature-changing chamber refrigeration.

Refrigeration control method according to the refrigerator of the embodiment of the invention is optimized the process of refrigerastion of refrigerator more, is issued to refrigeration requirement to refrigerator reducing the power consumption situation.

In one embodiment of the invention, if described first temperature still is higher than described first preset temperature after the described refrigerator evaporator continuous service very first time section, then stop described refrigeration system and moved for second time period, start described refrigeration system then and control described refrigerator evaporator operation to continue that described refrigerating chamber refrigeration is lower than described first preset temperature up to described first temperature.

In one embodiment of the invention, if described second temperature still is higher than described second preset temperature after described the 3rd time period of temperature-changing chamber evaporimeter continuous service, then stop described refrigeration system and moved for the 4th time period, start described refrigeration system then and control described temperature-changing chamber evaporimeter operation to continue that described temperature-changing chamber refrigeration is lower than described second preset temperature up to described second temperature.

Aspect that the present invention adds and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.

Description of drawings

Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:

Fig. 1 is the schematic diagram of the refrigeration system of one embodiment of the invention; And

Fig. 2 is the flow chart that is used to control control method of refrigerator of the embodiment of the invention.

The specific embodiment

Describe whole embodiment of the present invention below in detail, the example of described 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.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the present invention, and can not be interpreted as limitation of the present invention.

In description of the invention, it will be appreciated that, term " vertically ", " laterally ", " on ", close the orientation of indications such as D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward " or position is based on orientation shown in the drawings or position relation, only be that the present invention for convenience of description and simplification are described, rather than indication or the hint device of indication or element must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.

In addition, term " first ", " second " only are used to describe purpose, and can not be interpreted as indication or hint relative importance.

In description of the invention, need to prove, unless otherwise prescribed and limit, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly to link to each other, and also can link to each other indirectly by intermediary, for the ordinary skill in the art, can understand the concrete implication of above-mentioned term as the case may be.

Below with reference to accompanying drawing refrigeration system according to the embodiment of the invention is described at first.

As shown in Figure 1, be the schematic diagram of the refrigeration system of one embodiment of the invention.Refrigeration system 100 according to the embodiment of the invention comprises compressor 110, condenser, switch unit 140, refrigerating chamber capillary 150, refrigerator evaporator 160, temperature-changing chamber capillary 170, temperature-changing chamber evaporimeter 180 and freezer evaporator 190.

Wherein, the inlet of condenser links to each other with the outlet of compressor 110, and switch unit 140 has inlet and the first outlet A and the second outlet B.The inlet of switch unit 140 links to each other with the outlet of condenser.The inlet of refrigerator evaporator 160 links to each other with the first outlet A of switch unit 140 by refrigerating chamber capillary 150.The inlet of temperature-changing chamber evaporimeter 180 links to each other with the second outlet B of switch unit 140 by temperature-changing chamber capillary 170.The inlet of freezer evaporator 190 links to each other with the outlet of temperature-changing chamber evaporimeter 180 and the outlet of refrigerator evaporator 160, and the outlet of freezer evaporator 190 links to each other with the inlet of compressor 110.

According to the refrigeration system of the embodiment of the invention, refrigerator evaporator 160 and 180 parallel connections of temperature-changing chamber evaporimeter, and freezer evaporator 190 connects with in parallel refrigerator evaporator 160 and temperature-changing chamber evaporimeter 180, thus refrigeration system has formed two refrigerating circuits.Wherein, first loop is the refrigerating circuit that is formed by compressor 110, condenser, refrigerating chamber capillary 150, refrigerator evaporator 160 and freezer evaporator 190; Second loop is the refrigerating circuit that is formed by compressor 110, condenser, temperature-changing chamber capillary 170, temperature-changing chamber evaporimeter 180 and freezer evaporator 190.

When needs refrigerator evaporator 160 refrigeration, switch unit 140 switches to the first outlet A so that above-mentioned first loop is moved, and refrigerator evaporator 160 freezes.When needs temperature-changing chamber evaporimeter 180 refrigeration, switch unit 140 switches to the second outlet B so that above-mentioned second loop is moved, and temperature-changing chamber evaporimeter 180 freezes.Because freezer evaporator 190 is connected with above-mentioned refrigerator evaporator 160 and temperature-changing chamber evaporimeter 180, so, no matter during in refrigerator evaporator 160 or temperature-changing chamber evaporimeter 180 refrigeration, freezer evaporator 190 is also freezing to refrigerating chamber, therefore, when satisfying the refrigeration requirement, reduced energy consumption.In addition, freezer evaporator 190 is connected with refrigerator evaporator 160 and temperature-changing chamber evaporimeter 180, therefore only use refrigerating chamber capillary 150 and 170 two capillaries of temperature-changing chamber capillary, compare with traditional three capillaries of refrigeration system employing and reduced number of spare parts, reduced cost.

As shown in Figure 1, in preferred embodiments more of the present invention, switch unit 140 for example is a two-position three way magnetic valve.Open first outlet during A when two-position three way magnetic valve, refrigerator evaporator 160 and freezer evaporator 190 freeze, when two-position three way magnetic valve open the second outlet B time, temperature-changing chamber evaporimeter 180 and freezer evaporator 190 freeze.According to the embodiment of the invention, by adopting two-position three way magnetic valve, have the outlet accurate positioning, switch the advantage simple, that controllability is strong.In addition, two-position three way magnetic valve is cheap, long service life.

In some embodiments of the invention, condenser comprises first condenser 120 and second condenser 130.Enter the refrigerant temperature and the pressure height of condenser from compressor 110, first condenser 120 may not be lowered the temperature or cold-producing medium cooling not reached ideal temperature whole cold-producing mediums, therefore, the refrigeration that 130 pairs of residues of second condenser do not reach ideal temperature without lowering the temperature and lowering the temperature is advanced cooling once more, makes the refrigeration of cold-producing medium better.

In preferred embodiments more of the present invention, refrigeration system 100 also comprises dew eliminating tube 200, dew eliminating tube 200 is connected between the condenser 120 and condenser 130 of the foregoing description, temperature when dew eliminating tube 200 is connected on and has guaranteed between condenser 120 and the condenser 130 that condenser is flowed through dew eliminating tube is higher than ambient temperature, prevents to burn owing to refrigerant temperature is too high dew eliminating tube simultaneously.When cold-producing medium is flowed through dew eliminating tube 200, because the temperature of cold-producing medium is higher than ambient temperature, the globule that condenses in around the dew eliminating tube is evaporated, prevent to be arranged on parts around the dew eliminating tube globule that condenses.

In preferred embodiments more of the present invention, refrigeration system 100 also comprises device for drying and filtering 210, and device for drying and filtering 210 is arranged between the condenser 130 and two-position three way magnetic valve of the foregoing description.Cold-producing medium can produce impurity such as moisture, pressed powder, dirt in running, and refrigerating chamber capillary 150 and/or temperature-changing chamber capillary 170 are stopped up.Therefore, impurity such as 210 pairs of moisture of device for drying and filtering, pressed powder, dirt being set before condenser is leading to refrigerating chamber capillary 150 and temperature-changing chamber capillary 170 filters.According to the device for drying and filtering 210 of the embodiment of the invention, prevent that refrigerating chamber capillary 150 and temperature-changing chamber capillary 170 from stopping up, in addition, the moisture of absorption refrigeration agent makes the refrigeration of cold-producing medium better.

In preferred embodiments more of the present invention, refrigeration system also is provided with return-air heat exchanger 220, return-air heat exchanger 220 will turn back to cold-producing medium in the compressor 110 from freezer evaporator 190, and enter into one of them cold-producing mediums of temperature-changing chamber evaporimeter 180 and refrigerator evaporator 160 from two-position three way magnetic valve and will carry out heat exchange.Particularly, refrigeration depends on the temperature of cold-producing medium on the one hand, when temperature reaches a certain scope, refrigerating efficiency is better, so return-air heat exchanger 220 by the embodiment of the invention, by cold-producing medium is carried out heat exchange, can make the temperature of cold-producing medium reach the scope of the temperature of better refrigeration, make refrigeration better.

Refrigeration system according to the embodiment of the invention, can between the temperature-changing chamber evaporimeter of parallel connection and refrigerator evaporator, switch the operation of cold-producing medium by switch unit, and temperature-changing chamber evaporimeter and refrigerator evaporator are connected with freezer evaporator, therefore, by optionally moving temperature-changing chamber evaporimeter and refrigerator evaporator, can be individually to refrigerating chamber and temperature-changing chamber refrigeration, to refrigerating chamber or temperature-changing chamber refrigeration the time, also refrigerating chamber is freezed, reduced energy consumption, and by temperature-changing chamber evaporimeter in parallel and refrigerator evaporator, and they are connected with freezer evaporator, two capillaries have only been used, reduce number of spare parts, reduced cost, and according to the refrigeration system of embodiment of the invention control and simple to operate, secondly, device for drying and filtering by the embodiment of the invention and adopt two or more condensers makes the refrigeration of cold-producing medium better, has prevented the globule that condenses around the dew eliminating tube according to the dew eliminating tube of the embodiment of the invention.

The refrigerator with above-mentioned refrigeration system of the embodiment of the invention is below described.

Refrigerator according to the embodiment of the invention comprises casing, chamber door and refrigeration system.

Wherein, be limited with refrigerating chamber, temperature-changing chamber and refrigerating chamber in the above-mentioned casing.Chamber door is installed in and is used for the described refrigerating chamber of switch, temperature-changing chamber and refrigerating chamber on the described casing.The refrigeration system that refrigeration system proposes for the invention described above embodiment, refrigeration system are used for respectively to described refrigerating chamber, temperature-changing chamber and refrigerating chamber refrigeration.

By the refrigerator that the embodiment of the invention proposes, when this refrigerator work, it is low to have energy consumption, and running noises is little, the advantage of good refrigeration effect.

In some embodiments of the invention, above-mentioned chamber door comprises first to the 3rd chamber door, and described first to the 3rd chamber door difference is the described refrigerating chamber of switch, temperature-changing chamber and refrigerating chamber independently.

The control method of refrigerator that is used to control the foregoing description according to of the invention process is described below, may further comprise the steps:

Step 1, the first indoor temperature of detection refrigerator cold-storage.

Wherein, the first indoor temperature of this refrigerator cold-storage is represented the Current Temperatures in the refrigerating chamber.

Step 2, will detect first temperature and first preset temperature compares,, then control the refrigerator evaporator operation so that refrigerating chamber is freezed if first temperature is greater than or equal to first preset temperature.

Particularly, the user sets first preset temperature to the temperature of the refrigerating chamber of the refrigerator of the foregoing description as required, and first preset temperature is provided with as required.Detected first temperature is at first compared with first preset temperature, if first temperature is greater than or equal to first preset temperature, by making cold-producing medium pass through the refrigerating circuit at refrigerator evaporator place, the freezer evaporator of refrigerator evaporator and series connection is with it freezed respectively to the refrigerating chamber and the refrigerating chamber of refrigerator.

If step 3 first temperature is lower than first preset temperature, then stops the refrigerator evaporator operation and detect the second interior temperature of temperature-changing chamber.

Particularly, refrigerator evaporator continues refrigerating chamber is freezed, until when first temperature that detects refrigerating chamber is lower than first preset temperature, stop the refrigeration of above-mentioned refrigerating chamber and detect second temperature of the temperature-changing chamber of refrigerator simultaneously, second temperature is represented the Current Temperatures in the temperature-changing chamber.

Step 4, detected second temperature and second preset temperature are compared,, then control the operation of temperature-changing chamber evaporimeter so that temperature-changing chamber is freezed if second temperature is greater than or equal to second preset temperature.

Particularly, the user sets second preset temperature as required.Detected second temperature and second preset temperature are compared, if second temperature is greater than or equal to second preset temperature, the refrigeration system of refrigerator will make cold-producing medium pass through the refrigerating circuit at temperature-changing chamber evaporimeter place by switch unit, and the freezer evaporator of temperature-changing chamber evaporimeter and series connection is with it freezed to the temperature-changing chamber and the refrigerating chamber of refrigerator respectively.

As shown in Figure 2, be the flow chart that is used to control control method of refrigerator of the embodiment of the invention.Tr represents first temperature (Current Temperatures in the refrigerating chamber) of refrigerating chamber among Fig. 2, trk represents first preset temperature (temperature of refrigerating chamber that the user sets as required) of refrigerating chamber, r_v represents that refrigerator evaporator freezes to refrigerating chamber, ts represents second temperature (Current Temperatures in the temperature-changing chamber) of temperature-changing chamber, tsk represents second preset temperature (the temperature-changing chamber temperature that the user sets as required) of temperature-changing chamber, s_v represents that the temperature-changing chamber evaporimeter freezes to temperature-changing chamber, and f_v represents that freezer evaporator freezes to refrigerating chamber.

In conjunction with Fig. 1, after the refrigeration system 100 of refrigerator brings into operation, is the first temperature t r that at first detects refrigerating chamber greater than or equal to first preset temperature trk (tr>=trk of refrigerating chamber?), if the first temperature t r that detects refrigerating chamber is greater than or equal to the first preset temperature trk of refrigerating chamber (tr>=trk), then will control two-position three way magnetic valve cold-producing medium is flowed out circulating first loop from the first outlet A, thereby make refrigerator evaporator 160 refrigeration (r_v) and freezer evaporator 190 freeze (f_v).This process that circulates after the first temperature t r that detects refrigerating chamber is lower than the first preset temperature trk of refrigerating chamber, finishes the refrigeration to refrigerating chamber and refrigerating chamber.

Then, is the second temperature t s that detects temperature-changing chamber greater than or equal to second preset temperature tsk (ts>=tsk of temperature-changing chamber?), if the second temperature t s that detects temperature-changing chamber is greater than or equal to the second preset temperature tsk of temperature-changing chamber (ts>=tsk), then will control two-position three way magnetic valve cold-producing medium is flowed out to circulate second loop from the second outlet B, thus temperature-changing chamber evaporimeter 180 refrigeration (s_v) and freezer evaporator 190 refrigeration (f_v).This process that circulates after the second temperature t s that detects temperature-changing chamber is lower than the second preset temperature tsk of temperature-changing chamber, finishes the refrigeration to temperature-changing chamber and refrigerating chamber, closes refrigeration system.

By the control method of the embodiment of the invention, when making refrigerating chamber is freezed to refrigerating chamber or temperature-changing chamber refrigeration, therefore, control is simple, and energy consumption is low.

In some embodiments of the invention, if detect the first preset temperature trk that the first temperature t r of refrigerating chamber after the 160 continuous service very first time of the refrigerator evaporator section still is greater than or equal to refrigerating chamber, then stop 100 one second time periods of operation of refrigeration system, and then start refrigeration system 100 and control refrigerator evaporator 160 operations to continue to the refrigerating chamber refrigeration after the first temperature t r of refrigerating chamber is lower than the first preset temperature trk of refrigerating chamber, stopping the operation of refrigeration system 100.In Fig. 2 with 30min as very first time section, second time period can be according to concrete application settings.

In some embodiments of the invention, if detect the temperature-changing chamber evaporimeter after the 3rd time period of 180 continuous services the second temperature t s of temperature-changing chamber still be greater than or equal to the second preset temperature tsk of temperature-changing chamber, then stop 100 one the 4th time periods of operation of refrigeration system, and then start refrigeration system 100 and control 180 operations of temperature-changing chamber evaporimeter to continue to the temperature-changing chamber refrigeration after the second temperature t s of temperature-changing chamber is lower than the second preset temperature tsk of temperature-changing chamber, stopping the operation of refrigeration system 100.In Fig. 2 with 30min as the 3rd time period, the 4th time period can be according to concrete application settings.

By the control method of the embodiment of the invention, improved the refrigerating efficiency of refrigeration system, and prevented to cause the too high harm that brings of equipment self temperature owing to the refrigeration plant continuous working period is long.

Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification that scope of the present invention is by claims and be equal to and limit to these embodiment.

Claims (11)

1. a refrigeration system is characterized in that, comprising:
Compressor;
Condenser, the inlet of described condenser links to each other with the outlet of described compressor;
Switch unit, described switch unit have the inlet and first and second outlets, and the inlet of described switch unit links to each other with the outlet of described condenser;
The refrigerating chamber capillary;
Refrigerator evaporator, the inlet of described refrigerator evaporator links to each other with first outlet of described switch unit by described refrigerating chamber capillary;
The temperature-changing chamber capillary;
The temperature-changing chamber evaporimeter, the inlet of described temperature-changing chamber evaporimeter links to each other with second outlet of described switch unit by described temperature-changing chamber capillary; With
Freezer evaporator, and the outlet of described refrigerator evaporator links to each other and the outlet of described freezer evaporator links to each other with the inlet of described compressor in the outlet of the inlet of described freezer evaporator and described temperature-changing chamber evaporimeter.
2. refrigeration system according to claim 1 is characterized in that, described condenser comprises first and second condensers of series connection.
3. refrigeration system according to claim 2 is characterized in that, is in series with dew eliminating tube between described first and second condensers.
4. refrigeration system according to claim 1 is characterized in that, is provided with device for drying and filtering between described condenser and the described switch unit.
5. refrigeration system according to claim 1, it is characterized in that, further comprise the return-air heat exchanger, described return-air heat exchanger be used for turn back to from described freezer evaporator in the described compressor cold-producing medium with enter into described temperature-changing chamber evaporimeter and the described refrigerator evaporator cold-producing medium in one of at least from described switch unit and carry out heat exchange.
6. refrigeration system according to claim 1 is characterized in that, described switch unit is a two-position three way magnetic valve.
7. a refrigerator is characterized in that, comprising:
Casing is limited with refrigerating chamber, temperature-changing chamber and refrigerating chamber in the described casing;
Chamber door, described chamber door are installed in and are used for the described refrigerating chamber of switch, temperature-changing chamber and refrigerating chamber on the described casing; With
Refrigeration system, described refrigeration system are according to each described refrigeration system among the claim 1-6, and described refrigeration system is used for respectively to described refrigerating chamber, temperature-changing chamber and refrigerating chamber refrigeration.
8. refrigerator according to claim 7 is characterized in that, described chamber door comprises first to the 3rd chamber door, and described first to the 3rd chamber door difference is the described refrigerating chamber of switch, temperature-changing chamber and refrigerating chamber independently.
9. a control method of refrigerator as claimed in claim 7 is characterized in that, may further comprise the steps:
Detect first temperature in the described refrigerating chamber;
To detect first temperature and first preset temperature compares,, then control the refrigerator evaporator operation with to described refrigerating chamber refrigeration if first temperature is greater than or equal to first preset temperature;
If described first temperature is lower than described first preset temperature, then stops described refrigerator evaporator operation and detect the second interior temperature of temperature-changing chamber; With
Detected described second temperature and second preset temperature are compared,, then control the operation of temperature-changing chamber evaporimeter so that described temperature-changing chamber is freezed if described second temperature is greater than or equal to described second preset temperature.
10. control method according to claim 9, it is characterized in that, if described first temperature still is higher than described first preset temperature after the described refrigerator evaporator continuous service very first time section, then stop described refrigeration system and moved for second time period, start described refrigeration system then and control described refrigerator evaporator operation to continue that described refrigerating chamber refrigeration is lower than described first preset temperature up to described first temperature.
11. control method according to claim 9, it is characterized in that, if described second temperature still is higher than described second preset temperature after described the 3rd time period of temperature-changing chamber evaporimeter continuous service, then stop described refrigeration system and moved for the 4th time period, start described refrigeration system then and control described temperature-changing chamber evaporimeter operation to continue that described temperature-changing chamber refrigeration is lower than described second preset temperature up to described second temperature.
CN2011100238694A 2011-01-18 2011-01-18 Refrigerating system, refrigerator with same and control method thereof CN102080895A (en)

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CN103017392A (en) * 2013-01-10 2013-04-03 合肥美的荣事达电冰箱有限公司 Refrigerator refrigerating system and refrigerator with same
CN103344060A (en) * 2013-07-23 2013-10-09 合肥美的电冰箱有限公司 Refrigerating system used for refrigerator, refrigerator and control method of refrigerator
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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
CN103604235A (en) * 2013-12-04 2014-02-26 合肥美的电冰箱有限公司 Refrigerating system and refrigerator with same
CN104061738A (en) * 2014-07-14 2014-09-24 合肥华凌股份有限公司 Refrigerating system of refrigerator and refrigerator
CN104075523A (en) * 2014-07-14 2014-10-01 合肥华凌股份有限公司 Refrigerating system of refrigerator and refrigerator
CN105371557A (en) * 2015-12-02 2016-03-02 四川长虹电器股份有限公司 Refrigerator and control method thereof
CN108700349A (en) * 2016-02-19 2018-10-23 Bsh家用电器有限公司 Include the refrigerating plant of multiple storage rooms
CN108700346A (en) * 2016-02-19 2018-10-23 Bsh家用电器有限公司 Include the refrigerating plant of multiple storage rooms
CN110173913A (en) * 2019-04-24 2019-08-27 同济大学 A kind of steam compressed high temperature heat pump unit of very large super cooling degree

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CN102322702A (en) * 2011-09-21 2012-01-18 合肥美的荣事达电冰箱有限公司 Refrigerator and refrigerating system thereof
CN102322702B (en) * 2011-09-21 2014-04-16 合肥美的电冰箱有限公司 Refrigerator and refrigerating system thereof
CN102331153A (en) * 2011-09-22 2012-01-25 合肥美的荣事达电冰箱有限公司 Refrigeration system, and control method thereof, and refrigeration equipment with refrigeration system
CN102313394A (en) * 2011-10-08 2012-01-11 合肥美的荣事达电冰箱有限公司 Refrigerator and refrigerating system thereof
CN102410656A (en) * 2011-11-02 2012-04-11 合肥美的荣事达电冰箱有限公司 Refrigerator and refrigerator refrigerating system
CN102494458A (en) * 2011-11-17 2012-06-13 合肥美的荣事达电冰箱有限公司 Refrigerator
CN102401533A (en) * 2011-12-06 2012-04-04 合肥美的荣事达电冰箱有限公司 Three-door direct cooling mechanical refrigerator and refrigeration system thereof
CN102401533B (en) * 2011-12-06 2013-07-03 合肥美的荣事达电冰箱有限公司 Three-door direct cooling mechanical refrigerator and refrigeration system thereof
CN102589182A (en) * 2012-03-05 2012-07-18 合肥美的荣事达电冰箱有限公司 Refrigeration system, refrigerator having the refrigeration system and controlling method of the refrigerator
CN102589182B (en) * 2012-03-05 2014-08-13 合肥美的电冰箱有限公司 Refrigeration system, refrigerator having the refrigeration system and controlling method of the refrigerator
CN103017392A (en) * 2013-01-10 2013-04-03 合肥美的荣事达电冰箱有限公司 Refrigerator refrigerating system and refrigerator with same
CN103017392B (en) * 2013-01-10 2015-06-17 合肥美的电冰箱有限公司 Refrigerator refrigerating system and refrigerator with same
CN103344060A (en) * 2013-07-23 2013-10-09 合肥美的电冰箱有限公司 Refrigerating system used for refrigerator, refrigerator and control method of refrigerator
CN103411339A (en) * 2013-08-30 2013-11-27 合肥美的电冰箱有限公司 Refrigerating system and refrigerator with same
CN103411339B (en) * 2013-08-30 2016-01-13 合肥美的电冰箱有限公司 Refrigeration system and there is its refrigerator
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
CN103604235A (en) * 2013-12-04 2014-02-26 合肥美的电冰箱有限公司 Refrigerating system and refrigerator with same
CN104075523A (en) * 2014-07-14 2014-10-01 合肥华凌股份有限公司 Refrigerating system of refrigerator and refrigerator
CN104061738A (en) * 2014-07-14 2014-09-24 合肥华凌股份有限公司 Refrigerating system of refrigerator and refrigerator
CN105371557A (en) * 2015-12-02 2016-03-02 四川长虹电器股份有限公司 Refrigerator and control method thereof
CN108700349A (en) * 2016-02-19 2018-10-23 Bsh家用电器有限公司 Include the refrigerating plant of multiple storage rooms
CN108700346A (en) * 2016-02-19 2018-10-23 Bsh家用电器有限公司 Include the refrigerating plant of multiple storage rooms
CN110173913A (en) * 2019-04-24 2019-08-27 同济大学 A kind of steam compressed high temperature heat pump unit of very large super cooling degree

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