CN1548902A - Control method for forward/backward rotary compressor of electric refrigerator - Google Patents
Control method for forward/backward rotary compressor of electric refrigerator Download PDFInfo
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- CN1548902A CN1548902A CNA031299105A CN03129910A CN1548902A CN 1548902 A CN1548902 A CN 1548902A CN A031299105 A CNA031299105 A CN A031299105A CN 03129910 A CN03129910 A CN 03129910A CN 1548902 A CN1548902 A CN 1548902A
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Abstract
The control method for forward/backward rotation compressor in refrigerator has the effect of preventing damage to compressor. The control method includes the following steps: judging the current operation direction of the forward/backward compressor; if in forward rotation, sensing the temperature in the refrigerator and judging whether to select forward rotation; if selecting forward rotation, going on, and if selecting backward rotation, turning off the compressor for certain time before turning on the compressor for backward rotation; if in backward rotation, sensing the temperature in the refrigerator and judging whether to continuing backward rotation; if selecting the backward rotation, going on, and if selecting forward rotation, turning off the compressor for certain time before turning on the compressor for forward rotation.
Description
Technical field
The present invention relates to that a kind of adopted can be just/refrigerator of the compressor of contrary rotation running, further specify then relate to a kind of refrigerator that can bring following effect just/contrary rotary compressor control method (clockwise/counterclockwise compressor driving control method for refrigerator): in the time of need changing the direction of rotation of current compressor according to the variations in temperature of refrigerator, after the close compressor certain hour, change direction of rotation running compressor again, can prevent the impaired of compressor in advance.
Background technology
Generally speaking, the refrigerating circulation system that is applicable to refrigerator has following two kinds: the high refrigerating capacity circulatory system of cold air is provided and the low refrigerating capacity circulatory system of cold air is provided to refrigerating chamber to refrigerating chamber.
For above-mentioned high refrigerating capacity refrigerating circulation system or low refrigerating capacity refrigerating circulation system,, can not embody best freeze cycle with operation mode because the length of expansion gear is identical.With reference to the accompanying drawings prior art is elaborated.
Fig. 1 demonstrates the schematic drawing of the refrigerating circulation system of existing technology refrigerator, and as shown in the figure, the refrigerating circulation system of prior art refrigerator comprises as lower member: compressor 1, condenser 2, the first evaporimeter F-EVA, the second evaporimeter R-EVA.Above-mentioned compressor 1 sucks the low temperature of evaporimeter discharge, the medium steam of low pressure compresses, and makes the medium steam of high temperature, high pressure; Above-mentioned condenser 2 is discharged into the heat of the medium steam of the high temperature of discharging from above-mentioned compressor 1, high pressure water or the air, again it is changed into the high pressure saturated solution; The high pressure saturated solution of discharging in the above-mentioned condenser 2 converts the medium of low temperature, low pressure to by capillary 3, and the medium that the above-mentioned first evaporimeter F-EVA sucks above-mentioned low temperature, low pressure makes its evaporation, and carries out heat exchange at refrigerating chamber, discharges chilled air; The high pressure saturated solution of discharging in the above-mentioned condenser 2 is by the medium of 3 one-tenth low temperature of capillary, low pressure, and the medium that the above-mentioned second evaporimeter R-EVA sucks above-mentioned low temperature, low pressure makes its evaporation, and carries out heat exchange at refrigerating chamber, discharges chilled air.
Below the freeze cycle with said structure is elaborated.
At first freezing running, when also being high refrigerating capacity cooling operation, the medium of compressed HTHP flow into above-mentioned condenser 2 in above-mentioned compressor 1, the medium that flow into the HTHP of above-mentioned condenser 2 is condensed, and condensed medium converts the medium of low-temp low-pressure to through above-mentioned capillary 3.
Then, the above-mentioned first evaporimeter F-EVA sucks above-mentioned low-temp low-pressure medium, and above-mentioned low-temp low-pressure medium is evaporated, and discharges the saturated vapor that does not have liquid component to refrigerating chamber then.
The refrigeration running, when also promptly hanging down the refrigerating capacity cooling operation, medium at above-mentioned compressor 1 compressed HTHP flow into above-mentioned condenser 2, and the medium that flow into the HTHP of above-mentioned condenser 2 is condensed, and condensed medium converts the medium of low-temp low-pressure to through above-mentioned capillary 3.
Then, the above-mentioned second evaporimeter R-EVA sucks above-mentioned low-temp low-pressure medium, carries out heat exchange at refrigerating chamber, discharges chilled air.
Wherein, the compressor that freeze cycle adopted at above-mentioned refrigerator only is rotated according to positive direction, all the time be in the high power output state, but after the temperature maintenance stable status in refrigerator, when not needing very strong refrigerating capacity, above-mentioned compressor still is rotated according to positive direction, so power consumption is very big.
In order to address the above problem, occur a kind ofly according to the refrigeration needs, the compressor that can be rotated according to positive direction or contrary direction can reduce power consumption.That is to say,, can reduce power consumption according to contrary direction drive compression machine to produce less refrigerating capacity when the refrigerator process enters into stable state certain duration of runs.
But, in above-mentioned prior art, following shortcoming is arranged but: make when changing direction of rotation according to the variations in temperature of refrigerator, can produce pressure differential, cause the compressor damaged according to the compressor of positive direction or contrary direction running.
Summary of the invention
The present invention proposes for the problem that solves above-mentioned prior art, the purpose of this invention is to provide a kind of refrigerator that can bring following effect just/contrary rotary compressor operation controller and method: when changing current compressor direction of rotation according to the variations in temperature needs of refrigerator, after the close compressor certain hour, change direction of rotation running compressor again, can prevent the impaired of compressor in advance.
In order to realize the purpose of the invention described above, can be just for having adopted/refrigerator of contrary rotation compressor, the invention provides a kind of refrigerator just/control method of contrary rotary compressor, comprise: the 1st process: the turn round compressor of refrigerator of user, the rotation direction of judging current compressor is positive rotation or contrary rotation; The 2nd process: according to the judged result of above-mentioned the 1st process, if the rotation direction of current compressor is a positive rotation, then the temperature in the perception refrigerator judges according to the temperature inside the box whether the running of compressor selects positive rotation; The 3rd process: according to the judged result of above-mentioned the 2nd process,, then continue the running of compressor positive rotation, if selected contrary rotation, then after the close compressor, through the contrary rotation of the compressor that turns round after the certain hour if selected positive rotation; The 4th process: according to the judged result of above-mentioned the 1st process, if the rotation direction of current compressor is contrary rotation, then the temperature in the perception refrigerator judges according to the temperature inside the box whether the running of compressor selects contrary rotation; The 5th process: according to the judged result of above-mentioned the 4th process,, then continue the contrary rotation running of compressor, if selected positive rotation, then after the close compressor, through the positive rotation of the compressor that turns round after the certain hour if selected contrary rotation.
Therefore, by refrigerator of the present invention just/control method of contrary rotary compressor can bring following effect: after the rotation direction of the compressor of perception positive rotation or contrary rotation running, in the time need changing direction of rotation along with the variations in temperature of refrigerator, after elder generation's close compressor certain hour, change direction of rotation running compressor again, improved the reliability of compressor.
Description of drawings
Fig. 1 demonstrates the freeze cycle schematic diagram of general refrigerator;
Fig. 2 demonstrate refrigerator of the present invention just/workflow diagram of the control method of contrary rotary compressor.
The specific embodiment
With reference to the accompanying drawings, to refrigerator of the present invention just/effect and the effect of the control method of contrary rotary compressor be elaborated.
Fig. 2 demonstrate refrigerator of the present invention just/workflow diagram of the control method of contrary rotary compressor.
As shown in Figure 2, refrigerator of the present invention just/control method of contrary rotary compressor is divided into following 4 processes substantially:
The 1st process (stage SP1～SP3): the compressor of refrigerator is turned round, and the rotation direction of judging current compressor is positive rotation or contrary rotation; The 2nd process (SP4～SP6): according to the judged result of above-mentioned the 1st process, if the rotation direction of current compressor is a positive rotation, then the temperature in the perception refrigerator judges whether the running of the compressor of selecting according to above-mentioned the temperature inside the box is positive rotation; The 3rd process (SP7～SP10): according to the judged result of above-mentioned the 2nd process,, then continue the positive rotation running of compressor if selected positive rotation; If selected contrary rotation, then first close compressor is through carrying out the contrary rotation running of compressor again after the certain hour; The 4th process (SP11～SP13): according to the judged result of above-mentioned the 1st process, if the rotation direction of current compressor is if against rotating, then the temperature in the perception refrigerator judges whether the running of the compressor of selecting according to above-mentioned the temperature inside the box is against rotating; The 5th process (SP14～SP17): according to the judged result of above-mentioned the 4th process,, then continue the contrary rotation running of compressor if selected contrary rotation; If selected positive rotation, then close compressor turns round through the positive rotation of carrying out compressor after the certain hour again.
Below to refrigerator of the present invention just/control method of contrary rotary compressor illustrates in greater detail.
SP1～SP3 stage: at first, the user makes the compressor of refrigerator turn round, according to just/contrary rotary inductive device judges that the rotation direction of current compressor is positive rotation or contrary rotation.
The SP4 stage: according to above-mentioned SP3 stage judged result, if the rotation direction of current compressor is a positive rotation, the temperature in the perception refrigerator.
SP5, the SP6 stage: if above-mentioned the temperature inside the box than design temperature height, then judges whether to select the rotation direction with compressor to be chosen as positive rotation.
The SP7 stage:,, then continue to make the compressor positive rotation to turn round if selected to make the compressor positive rotation according to above-mentioned SP6 judged result.
The SP8 stage: if selected to make compressor inverse rotation, then close compressor.
SP9, the SP10 stage: through certain hour (about 7 minutes) afterwards, make the compressor inverse rotation turn round.
The SP11 stage: according to above-mentioned SP3 judged result, if the rotation direction of current compressor is contrary rotation, the then temperature in the perception refrigerator.
SP12, the SP13 stage: judge whether the running of compressor to be chosen as contrary rotation because above-mentioned the temperature inside the box is lower than design temperature.
The SP14 stage:,, then continue the contrary rotation running of compressor if selected to make the compressor inverse rotation according to above-mentioned SP13 judged result.
The SP15 stage: if selected to make compressor positive rotation, then close compressor.
SP16, the SP17 stage: after about 7 minutes of certain hour, make the compressor positive rotation turn round.
Claims (1)
1, a kind of refrigerator just/control method of contrary rotary compressor, comprising:
The 1st process: the turn round compressor of refrigerator of user, the rotation direction of judging current compressor is positive rotation or contrary rotation;
The 2nd process: according to the judged result of above-mentioned the 1st process, if the rotation direction of current compressor is a positive rotation, then the temperature in the perception refrigerator judges according to the temperature inside the box whether the running of compressor is to select positive rotation;
The 3rd process: according to the judged result of above-mentioned the 2nd process,, then continue the running of compressor positive rotation, if selected contrary rotation, then after the close compressor, through carrying out the contrary rotation of compressor after the certain hour again if selected positive rotation;
The 4th process: according to the judged result of above-mentioned the 1st process, if the rotation direction of current compressor is contrary rotation, then the temperature in the perception refrigerator judges according to the temperature inside the box whether the running of compressor is to select contrary rotation;
The 5th process: according to the judged result of above-mentioned the 4th process,, then continue the contrary rotation running of compressor, if selected positive rotation, then after the close compressor, through carrying out the positive rotation of compressor after the certain hour again if selected contrary rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031299105A CN1548902A (en) | 2003-05-22 | 2003-05-22 | Control method for forward/backward rotary compressor of electric refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031299105A CN1548902A (en) | 2003-05-22 | 2003-05-22 | Control method for forward/backward rotary compressor of electric refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1548902A true CN1548902A (en) | 2004-11-24 |
Family
ID=34322561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031299105A Pending CN1548902A (en) | 2003-05-22 | 2003-05-22 | Control method for forward/backward rotary compressor of electric refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1548902A (en) |
-
2003
- 2003-05-22 CN CNA031299105A patent/CN1548902A/en active Pending
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |