CN100375881C - Apparatus and method for controlling operation of electric refrigerator utilizing forward or backward rotary compressor - Google Patents
Apparatus and method for controlling operation of electric refrigerator utilizing forward or backward rotary compressor Download PDFInfo
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- CN100375881C CN100375881C CNB031299016A CN03129901A CN100375881C CN 100375881 C CN100375881 C CN 100375881C CN B031299016 A CNB031299016 A CN B031299016A CN 03129901 A CN03129901 A CN 03129901A CN 100375881 C CN100375881 C CN 100375881C
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Abstract
The present invention relates to a device and a method for controlling the running of a refrigerator using a compressor in forward /backward rotation. A refrigerator using a compressor in forward /backward rotation has the structure that the refrigerator comprises a microcomputer, a running frequency transformer and a forward /backward rotation signal generator, wherein after a user selects a running mode, according to the selected mode, the microcomputer calculates the corresponding supply quantity of cold air and outputs a corresponding running control signal; the running frequency transformer transforms the current running frequency to a set running frequency according to the running control signal; the forward /backward rotation signal generator generates a forward rotation signal or a backward rotation signal from the frequency transformation signal output by the running frequency transformer according to the running control signal. The present invention has the effects of precisely controlling a temperature in a refrigerator.
Description
Technical field
The present invention relates to that a kind of adopted can be just/refrigerator of contrary rotation compressor; Furtherly, relate to a kind of operation mode and select the positive rotation or the contrary rotation of compressor according to refrigerator, the current operating frequency of conversion cool-air feed to refrigerator inside, thereby a kind of employing that realizes the temperature in the accurate control refrigerator just/the refrigerator operation controller and the control method (CLOCKWISE/COUNTERCLOCKWISE COMPRESSOR DRIVING CONTROL APPARATUS ANDMETHOD FOR REFRIGERATOR) of contrary rotary compressor.
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.
Above-mentioned high ability refrigerating capacity refrigerating circulation system or low ability refrigerating circulation system because the length of expansion gear is identical, can not embody the best freeze cycle with operation mode, with reference to the accompanying drawings prior art are 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 refrigerant steam of low pressure compresses, and makes the refrigerant steam of high temperature, high pressure; Above-mentioned condenser 2 is discharged into the heat of the refrigerant 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 refrigerant of low temperature, low pressure to by capillary 3, and the refrigerant 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 refrigerant of 3 one-tenth low temperature of capillary, low pressure, and the refrigerant 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.
At first, freezing running, when also being the running of high refrigerating capacity, the refrigerant of the HTHP of compression in compressor 1, flow into condenser 2 condensations after, become the refrigerant of low-temp low-pressure through capillary 3.
Then, the refrigerant that the first evaporimeter F-EVA sucks above-mentioned low-temp low-pressure evaporates, and the saturated vapor that does not have liquid is discharged to refrigerating chamber.
When low refrigerating capacity turned round when refrigerating running, the refrigerant of the HTHP of compression on compressor 1 after 2 condensations of inflow condenser, became the refrigerant of low-temp low-pressure through capillary 3.
Afterwards, the refrigerant that the second evaporimeter R-EVA sucks above-mentioned low-temp low-pressure evaporates, and carries out heat exchange at refrigerating chamber, discharges chilled air.
At this, the compressor that the refrigerating circulation system of above-mentioned refrigerator adopts is only to the positive direction rotation, therefore output high-power all the time.Under the temperature maintenance stable status in refrigerator, do not need big refrigerating capacity to make compressor positive direction rotation yet, make the refrigerating circulation system of refrigerator of this prior art exist the big problem of the electric consumption.
In order to address the above problem, a kind of technology has appearred, and on refrigerator, adopt according to the size of refrigerating capacity and can select positive direction or contrary direction rotation compressor, reduce power consumption.When refrigerator through certain duration of runs, when being perceived as stable state, the compressor inverse direction rotation produces amount of cooling water in a small amount, to reduce power consumption.
But there are the following problems for above-mentioned technical method: only select positive direction or contrary direction to come cool-air feed according to the internal temperature in the refrigerator, so can not critically control the temperature of refrigerator inside.
Summary of the invention
In order to solve the problem that exists in the above-mentioned technology, the invention provides a kind of a kind of employing with following effect just/the refrigerator operation controller and the control method of contrary rotary compressor: select the positive rotation or the contrary rotation of compressor according to the operation mode of refrigerator, the current operating frequency of conversion arrives refrigerator inside to cool-air feed, the temperature in the accurate control refrigerator.
In order to realize above-mentioned purpose, the invention provides that a kind of adopted can be just/refrigerator of contrary rotation compressor, its composition comprises as lower member: micro computer, operating frequency converter, just/reverse rotation signal generator; After the user selected operation mode, above-mentioned micro computer was according to corresponding cold air supply of the mode computation of above-mentioned selection and the corresponding running control signal of output; The operating frequency converter is transformed into current operating frequency the operating frequency that sets according to above-mentioned running control signal; Just above-mentioned/reverse rotation signal generator converts the frequency transformation signal of above-mentioned operating frequency converter output to positive rotation signal or reverse rotation signal according to above-mentioned running control signal.
To achieve these goals, the invention provides a kind of refrigerator just/contrary rotary compressor method for controlling of operation, it comprises following process: first process: after the user selects the operation mode of refrigerator, calculate the cold air supply corresponding to selected pattern; Second process: according to the cold air supply that calculates in above-mentioned first process, when selecting the positive rotation of compressor or contrary rotation current operating frequency is transformed into operating frequency corresponding to above-mentioned cold air supply, thus the drive compression machine.
A kind of employing of the present invention just/the refrigerator operation controller and the control method of contrary rotary compressor have following effect: when the operation mode of the refrigerator of selecting according to the user is selected the positive rotation of compressor or contrary rotation, the current operating frequency cool-air feed of conversion reaches the effect of accurate control internal temperature of refrigerator to refrigerator inside.
Description of drawings
Fig. 1 demonstrates the schematic drawing of the refrigerating circulation system of general refrigerator;
Fig. 2 demonstrate refrigerator of the present invention just/calcspar of contrary rotary compressor operation controller structure;
Fig. 3 demonstrate refrigerator of the present invention just/action flow chart of contrary rotary compressor method for controlling of operation.
The critical piece description of reference numerals
10: power supply 11: the operating frequency converter
12: micro computer 13: temperature sensor
14: just/the reverse rotation signal generator
The specific embodiment
Below, with reference to accompanying drawing of the present invention, describe in detail a kind of employing just/the refrigerator operation controller and the control method of contrary rotary compressor.
Fig. 2 demonstrate refrigerator of the present invention just/calcspar (b1ock diagram) of contrary rotary compressor operation controller structure.As shown in the figure, refrigerator of the present invention just/contrary rotary compressor operation controller has following structure: temperature sensor 13, micro computer 12, operating frequency converter 11, just/reverse rotation signal generator 14.Temperature sensor 13 perception refrigerator temperature inside; After the user selected operation mode, above-mentioned micro computer 12 was according to the corresponding cold air supply of the mode computation of above-mentioned selection, and output is corresponding to the running control signal of temperature in the refrigerator of said temperature perceptron 13 perception; Operating frequency converter 11 is transformed into current operating frequency the operating frequency that sets according to above-mentioned running control signal; Just above-mentioned/reverse rotation signal generator 14 converts the frequency transformation signal of above-mentioned operating frequency converter output to positive rotation signal or reverse rotation signal according to above-mentioned running control signal.
At first, after the user selected operation mode, micro computer 12 was according to the mode computation cold air supply of above-mentioned selection, and a corresponding running control signal is passed on operating frequency converter 11 and just/reverse rotation signal generator 14.
Then, operating frequency converter 11 according to above-mentioned running control signal current operating frequency be transformed into fixed operating frequency and output, just/reverse rotation signal generator 14 is varied to positive rotation signal or reverse rotation signal according to above-mentioned running control signal with the signal of above-mentioned operating frequency converter 11 outputs, drive compression machine thus.
Promptly, in the time of the very large amount of cooling water of needs, micro computer 12 control operating frequency converters 11 make its current operating frequency be transformed into the operating frequency that can produce big amount of cooling water, and control just/reverse rotation signal generator 14 produces the positive rotation signals, to produce a large amount of cold air.
Below with reference to Fig. 3, be elaborated.The user selects the operation mode (SP1) to refrigerator, calculates the cold air supply (SP2) corresponding to the operation mode of selecting.
Then, according to the cold air supply of aforementioned calculation, when selecting compressor positive rotation or contrary rotation (SP3), current operating frequency is transformed into the operating frequency (SP4) of corresponding above-mentioned cold air supply.
Select the positive rotation or the contrary rotation of compressor to drive, and regulate corresponding to the operating frequency of all directions rotary speed and carry out accurate cool-air feed (SP5).
That is, select the positive rotation or contrary rotation of compressor among the present invention after, come cool-air feed according to the appropriate variation operating frequency of the temperature of setting in the refrigerator in the time of the drive compression machine, thus the amount of cooling water of accurate control refrigerator more.
Claims (1)
- An employing just/the refrigerator operation controller of contrary rotary compressor, it is characterized in that, comprising:Micro computer, operating frequency converter, just/the reverse rotation signal generator; After the user selected operation mode, above-mentioned micro computer was according to corresponding cold air supply of the mode computation of above-mentioned selection and the corresponding running control signal of output;The operating frequency converter is transformed into current operating frequency the operating frequency that sets according to above-mentioned running control signal;Just above-mentioned/reverse rotation signal generator converts the frequency transformation signal of above-mentioned operating frequency converter output to positive rotation signal or reverse rotation signal according to above-mentioned running control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031299016A CN100375881C (en) | 2003-05-22 | 2003-05-22 | Apparatus and method for controlling operation of electric refrigerator utilizing forward or backward rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031299016A CN100375881C (en) | 2003-05-22 | 2003-05-22 | Apparatus and method for controlling operation of electric refrigerator utilizing forward or backward rotary compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1548899A CN1548899A (en) | 2004-11-24 |
| CN100375881C true CN100375881C (en) | 2008-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031299016A Expired - Fee Related CN100375881C (en) | 2003-05-22 | 2003-05-22 | Apparatus and method for controlling operation of electric refrigerator utilizing forward or backward rotary compressor |
Country Status (1)
| Country | Link |
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| CN (1) | CN100375881C (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3723024A (en) * | 1969-12-30 | 1973-03-27 | Daikin Ind Ltd | Reversible rotary compressor for refrigerators |
| US4236874A (en) * | 1979-03-02 | 1980-12-02 | Westinghouse Electric Corp. | Dual capacity compressor with reversible motor and controls arrangement therefor |
| GB2133586A (en) * | 1982-12-27 | 1984-07-25 | Samsung Electronics Co Ltd | Temperature control of a refrigerator |
| CN1101710A (en) * | 1993-10-15 | 1995-04-19 | 三洋电机株式会社 | Method for controlling operation of compressor |
| JP2000121177A (en) * | 1998-10-14 | 2000-04-28 | Isuzu Motors Ltd | Chiller |
| JP2000146398A (en) * | 1998-11-09 | 2000-05-26 | Toshiba Corp | Device for controlling refrigerator |
| US6217287B1 (en) * | 1998-01-26 | 2001-04-17 | Bristol Compressors, Inc. | Variable capacity compressor having adjustable crankpin throw structure |
| JP2001141347A (en) * | 1999-11-15 | 2001-05-25 | Sharp Corp | Refrigerator |
| KR20030020718A (en) * | 2001-09-04 | 2003-03-10 | 주식회사 엘지이아이 | Method for controlling of a motor for compressor having variable capacity |
-
2003
- 2003-05-22 CN CNB031299016A patent/CN100375881C/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3723024A (en) * | 1969-12-30 | 1973-03-27 | Daikin Ind Ltd | Reversible rotary compressor for refrigerators |
| US4236874A (en) * | 1979-03-02 | 1980-12-02 | Westinghouse Electric Corp. | Dual capacity compressor with reversible motor and controls arrangement therefor |
| GB2133586A (en) * | 1982-12-27 | 1984-07-25 | Samsung Electronics Co Ltd | Temperature control of a refrigerator |
| CN1101710A (en) * | 1993-10-15 | 1995-04-19 | 三洋电机株式会社 | Method for controlling operation of compressor |
| US6217287B1 (en) * | 1998-01-26 | 2001-04-17 | Bristol Compressors, Inc. | Variable capacity compressor having adjustable crankpin throw structure |
| JP2000121177A (en) * | 1998-10-14 | 2000-04-28 | Isuzu Motors Ltd | Chiller |
| JP2000146398A (en) * | 1998-11-09 | 2000-05-26 | Toshiba Corp | Device for controlling refrigerator |
| JP2001141347A (en) * | 1999-11-15 | 2001-05-25 | Sharp Corp | Refrigerator |
| KR20030020718A (en) * | 2001-09-04 | 2003-03-10 | 주식회사 엘지이아이 | Method for controlling of a motor for compressor having variable capacity |
Non-Patent Citations (2)
| Title |
|---|
| 冰箱压缩机的发展趋势. 张华俊，蒲亮，李洪峻，刘勇，陈林，卢洁.低温与特气，第19卷第5期. 2001 * |
| 电冰箱节能潜力的研究. 马一太，卢苇，李丽新，梁兆惠，邢英丽，成建宏.制冷与空调，第3卷第1期. 2003 * |
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| Publication number | Publication date |
|---|---|
| CN1548899A (en) | 2004-11-24 |
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Granted publication date: 20080319 |