CN1800760A - Method of automatically changing speed to regulate refrigeration for refrigerator - Google Patents
Method of automatically changing speed to regulate refrigeration for refrigerator Download PDFInfo
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- CN1800760A CN1800760A CN 200410060387 CN200410060387A CN1800760A CN 1800760 A CN1800760 A CN 1800760A CN 200410060387 CN200410060387 CN 200410060387 CN 200410060387 A CN200410060387 A CN 200410060387A CN 1800760 A CN1800760 A CN 1800760A
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Abstract
The invention relates to a method for automatically speed-changing regulating the refrigeration of refrigerator, belonging to the refrigeration technique. When electrifying the refrigerator in first time, setting the compressor in higher rotational speed; when in refrigeration, regulating next refrigeration time according to former refrigeration time; when the refrigeration time is longer, increasing the rotational speed of compressor according to the changed amplitude; when the refrigeration time is shorter, decreasing the rotational speed of compressor according to the changed amplitude; and when the refrigeration time is in a certain range, holding the rotational speed of compressor. It can realize non-stepped regulation to meet best refrigeration state, with stable refrigeration process, high energy-saving ability and lower noise.
Description
Technical field
The invention belongs to technical field of refrigeration equipment, the method for refrigerator refrigeration is regulated in particularly a kind of fluid drive.
Background technology
The refrigeration system of general refrigerator keeps certain refrigerating capacity always when refrigeration, can not change its refrigerating capacity, but under different conditions, there is different requirements in system to refrigerating capacity.The system requirements refrigerating capacity is less under certain conditions, but the rotating speed of system compresses machine is constant and refrigerating capacity is constant, cause compressor start too short and energy surplus of time beginning, the system requirements refrigerating capacity is bigger under other some condition, but system compresses machine rotating speed is constant and refrigerating capacity is constant, causes long, energy shortage of compressor available machine time and refrigeration untimely.The similar refrigerator of Chu Xianing is not real electrodeless adjusting compressor rotary speed in the market, and has only several adjusting rotating speeds, does not give full play to the function of frequency-changeable compressor.
Summary of the invention
The method that the object of the invention is to provide a kind of fluid drive to regulate the refrigerator refrigeration, but make fluid drive in this way regulate refrigeration, and energy-conservation, noise is less.
To achieve these goals, the present invention adopts following technical scheme: the method for refrigerator refrigeration is regulated in a kind of fluid drive, when refrigerator powers on for the first time, allows the rotating speed of compressor be arranged on higher rotation speed; When refrigeration, according to last cooling time cooling time is next time adjusted, when cooling time is big, then according to amplitude of variation, corresponding increase compressor rotary speed; When cooling time hour, then according to amplitude of variation, corresponding reduction compressor rotary speed; When cooling time within the specific limits the time, keep the rotating speed of compressor certain.
This method comprises according to refrigerator open time length, environment temperature, institute's quantity of food of putting into and gear change, to the corresponding adjustment of carrying out different amplitudes of the rotating speed of compressor.
Adopt between each chamber in the control of described refrigerator refrigeration " or " relation.
In the adjustment process of the rotating speed of described compressor, shielding increases the compressor operation frequency of refrigerator noise.
This method has following several advantage: the refrigerating capacity in the refrigeration system can electrodelessly be regulated, and satisfies best refrigerating state constantly; Very few or the too much situation of refrigerating capacity can not appear in the process of refrigerastion; Process of refrigerastion is more steady; Bigger electricity-saving function, system can reduce the power of refrigerator under the less situation of refrigerating capacity, can reduce the on-off frequency of refrigerator simultaneously, because refrigerator power when starting is bigger, relatively power consumption; Power set are more steady when starting, and the too high problem of instantaneous power can not occur; And noise is less, and under general situation, compressor all is in lower rotating speed or has avoided taking place with refrigerator the rotating speed of resonance.
Description of drawings
The circuit theory diagrams that Fig. 1 implements for this method;
Fig. 2 is the flow chart of this enforcement.
The specific embodiment
Embodiment: the method for refrigerator refrigeration is regulated in a kind of fluid drive as shown in Figure 1 and Figure 2, when refrigerator powers on for the first time, allows the rotating speed of compressor be placed on higher rotation speed; When refrigeration, according to last cooling time cooling time is next time adjusted, when cooling time is big, then according to amplitude of variation, corresponding increase compressor rotary speed; When cooling time hour, then according to amplitude of variation, corresponding reduction compressor rotary speed; When cooling time within the specific limits the time, keep the rotating speed of compressor certain.
According to each time cooling time and the various states in process of refrigerastion and function adjustment in the refrigerator process of refrigerastion rotating speed of compressor is carried out electrodeless adjustment, speed regulation process is simple and meet the refrigeration requirement.Require the rotating speed of compressor is adjusted by various controls, so that under this rotating speed, temperature is more steady constantly at each in each chamber, significantly saltus step can not occur;
When cooling time is big, may require that gear is higher, environment temperature is higher and some other situations, according to the size of amplitude of variation, control is made corresponding rotating speeds and is regulated then, satisfying refrigeration faster, rather than can not reduce the room temperature degree for a long time;
When cooling time hour, may require that gear is lower, environment temperature is low and some other situations, then according to the size of amplitude of variation, control is made corresponding rotating speeds and is regulated, and with satisfied refrigeration stably, rather than it is too short cooling time to occur, temperature descends too fast, and temperature is than macrorelief;
When cooling time within the specific limits the time, keep the rotating speed of power set certain, refrigeration is more stable under this state, and temperature can not occur bigger fluctuating is arranged;
In process of refrigerastion, if each participate in refrigeration between chamber when gear change is arranged, if,, increase the rotating speed of compressor accordingly according to amplitude of accommodation size from if when strong; If,, reduce the rotating speed of power set accordingly according to amplitude of accommodation size from by force when weak;
According to the different of the situation of change of each chamber and the amplitude that changes, the rotating speed of power set is adjusted, so that system satisfies the steadily requirement of refrigeration;
Because in process of refrigerastion, different quantity of food might be put in each chamber, and can be not simultaneously do not put into food and carrying out gear when regulating to chamber between each refrigeration, the different of direction and amplitude are regulated in each chamber, the rotational speed regulation of compressor requires also different, and therefore the pass between each chamber is in process of refrigerastion " or " relation;
Environment temperature does not change in process of refrigerastion, the gear change amplitude is less or do not change, when do not open the door for a long time in the chamber between refrigeration, generally require compressor to keep than the slow-speed of revolution, so that reduce the noise and the power consumption of refrigerator;
In the adjustment process of the rotating speed of compressor, shielding may increase the compressor operation frequency of refrigerator noise;
This method has following several characteristics:
Refrigerating capacity in the refrigeration system can electrodelessly be regulated, and satisfies best refrigerating state constantly; Very few or the too much situation of refrigerating capacity can not appear in the process of refrigerastion; Process of refrigerastion is more steady; Native system has bigger electricity-saving function, system can be under the less situation of refrigerating capacity, reduce the power of refrigerator, can reduce the on-off frequency of refrigerator, because refrigerator power when starting is bigger, relatively power consumption also has this kind power set more steady when starting, and the too high problem of instantaneous power can not occur; The native system noise is less, and under general situation, compressor all is in lower rotating speed or has avoided taking place with refrigerator the rotating speed of resonance; Native system can use on other refrigeration systems, and control mode is the same.
The rotating speed of the downtime that native system can also be by refrigeration system and the start-stop comparison compressor of refrigeration system is adjusted; also can in system, add the temperature-sensitive head of sense ambient temperature; by environment temperature compressor rotary speed is adjusted, reached best refrigeration.
The embodiment circuit theory diagrams:
Frequency-variable module links to each other with frequency-changeable compressor, and frequency-changeable compressor is controlled the change of its rotating speed by frequency-variable module; 220V alternating current input frequency-variable module is as the supply power of frequency-changeable compressor; Control panel sends frequency signal by frequency signal alignment frequency-variable module, and according to the difference of frequency signal, frequency-variable module is adjusted accordingly to the rotating speed of compressor; The frequency signal of control panel adjusts accordingly according to control program, and when the compressor converted variable speed of system requirements, control panel sends the correspondent frequency wire size to frequency-variable module, and frequency-variable module is adjusted accordingly to the rotating speed of compressor simultaneously.Control program according to the whether first refrigerator of refrigerator power on, refrigerator cooling time length, different situations such as gear adjusting when refrigerator uses, which type of adjustment judgement need carry out to compressor rotary speed, according to different judgements, control panel sends different frequency signals to frequency-variable module, and frequency-variable module carries out corresponding adjusting to the rotating speed of compressor simultaneously.The chamber length of time of opening the door between judging according to door switch and illuminating lamp, control program is adjusted compressor rotary speed accordingly.Magnetic valve is pulled the refrigeration that participates in certain chamber by control.
This embodiment comprises general refrigerator, control circuit and frequency-changeable compressor, and control circuit comprises hardware circuit and control program.Refrigerator system is according to multiple situations such as the quantity of food of the residing environment of refrigerator, the refrigerator of putting into, the length of the time of opening the door, gear change, to and the refrigerating capacity of the refrigeration system of refrigerator regulate, satisfy best refrigeration; Shield the bigger compressor rotary speed of noise concerning refrigerator simultaneously.
The flow chart of this embodiment:
When powering on for the first time, compressor is pressed three start-stops of maximum speed operation, changes rated speed then over to, judges the length of cooling time;
When cooling time within the specific limits the time (T1-T2), keep the rated speed of compressor, refrigeration is more stable under this state, and temperature can not occur bigger fluctuating is arranged;
As cooling time hour (T1-nt), may require that gear is lower, environment temperature is low and some other situations, the rotating speed of compressor reduces nP on the basis of previous rotating speed, to satisfy refrigeration stably, rather than it is too short cooling time to occur, temperature descends too fast, and temperature is than macrorelief;
When cooling time is big, may require that gear is higher, environment temperature is higher and some other situations, the rotating speed of compressor increases nP on the basis of previous rotating speed, satisfying refrigeration faster, rather than can not reduce the room temperature degree for a long time;
(wherein T1, T2 are regular time, and t is a time variation amount, and P is the rotation speed change amount, n=0, and 1,2,3 ...)
Claims (4)
1, the method for refrigerator refrigeration is regulated in a kind of fluid drive, it is characterized in that: when refrigerator powers on for the first time, allow the rotating speed of compressor be arranged on higher rotation speed; When refrigeration, according to last cooling time cooling time is next time adjusted, when cooling time is big, then according to amplitude of variation, corresponding increase compressor rotary speed; When cooling time hour, then according to amplitude of variation, corresponding reduction compressor rotary speed; When cooling time within the specific limits the time, keep the rotating speed of compressor certain.
2, the method for refrigerator refrigeration is regulated in fluid drive according to claim 1, it is characterized in that: this method comprises according to refrigerator open time length, environment temperature, institute's quantity of food of putting into and gear change, to the corresponding adjustment of carrying out different amplitudes of the rotating speed of compressor.
3, the method for refrigerator refrigeration is regulated in fluid drive according to claim 1 and 2, it is characterized in that: adopt between each chamber in the control of described refrigerator refrigeration " or " relation.
4, the method for refrigerator refrigeration is regulated in fluid drive according to claim 3, it is characterized in that: in the adjustment process of the rotating speed of described compressor, shielding increases the compressor operation frequency of refrigerator noise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410060387 CN1800760A (en) | 2004-12-31 | 2004-12-31 | Method of automatically changing speed to regulate refrigeration for refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410060387 CN1800760A (en) | 2004-12-31 | 2004-12-31 | Method of automatically changing speed to regulate refrigeration for refrigerator |
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| CN1800760A true CN1800760A (en) | 2006-07-12 |
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| CN 200410060387 Pending CN1800760A (en) | 2004-12-31 | 2004-12-31 | Method of automatically changing speed to regulate refrigeration for refrigerator |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154703A (en) * | 2014-07-22 | 2014-11-19 | 海信容声(广东)冰箱有限公司 | Frequency control method for a variable frequency refrigerator |
| CN105115116A (en) * | 2015-10-13 | 2015-12-02 | 合肥美菱股份有限公司 | Control rule and application of mechanical variable-frequency compressor |
| CN105135814A (en) * | 2015-09-08 | 2015-12-09 | 合肥美的电冰箱有限公司 | Refrigerator control method and refrigerator |
| CN105298816A (en) * | 2015-11-23 | 2016-02-03 | 青岛万宝压缩机有限公司 | Control method for rotating speed of totally-closed frequency conversion refrigerating compressor |
| CN107592905A (en) * | 2015-05-11 | 2018-01-16 | Lg电子株式会社 | Refrigerator and its control method |
| CN107782060A (en) * | 2016-08-30 | 2018-03-09 | 青岛海尔智能技术研发有限公司 | A kind of method that refrigerator door open-close is detected with temperature signal |
| WO2018108118A1 (en) * | 2016-12-14 | 2018-06-21 | 青岛海尔股份有限公司 | Refrigerator for improving stability of linear compressor, and control method therefor |
| WO2018108117A1 (en) * | 2016-12-14 | 2018-06-21 | 青岛海尔股份有限公司 | Refrigerator for improving stability of linear compressor, and control method therefor |
| CN110953776A (en) * | 2019-11-22 | 2020-04-03 | 海信（山东）冰箱有限公司 | Refrigeration equipment and shutdown control method of compressor of refrigeration equipment |
| CN112682989A (en) * | 2020-12-29 | 2021-04-20 | 珠海格力电器股份有限公司 | Compressor rotating speed control method, device and equipment and refrigerator |
| CN114459187A (en) * | 2020-11-09 | 2022-05-10 | 海信容声(广东)冰箱有限公司 | Variable frequency refrigerator and control method thereof |
-
2004
- 2004-12-31 CN CN 200410060387 patent/CN1800760A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154703A (en) * | 2014-07-22 | 2014-11-19 | 海信容声(广东)冰箱有限公司 | Frequency control method for a variable frequency refrigerator |
| US10544972B2 (en) | 2015-05-11 | 2020-01-28 | Lg Electronics Inc. | Refrigerator and control method therefor |
| CN107592905A (en) * | 2015-05-11 | 2018-01-16 | Lg电子株式会社 | Refrigerator and its control method |
| CN107592905B (en) * | 2015-05-11 | 2020-06-16 | Lg电子株式会社 | Refrigerator and control method thereof |
| CN105135814A (en) * | 2015-09-08 | 2015-12-09 | 合肥美的电冰箱有限公司 | Refrigerator control method and refrigerator |
| CN105115116A (en) * | 2015-10-13 | 2015-12-02 | 合肥美菱股份有限公司 | Control rule and application of mechanical variable-frequency compressor |
| CN105115116B (en) * | 2015-10-13 | 2017-10-03 | 合肥美菱股份有限公司 | A kind of control rule of mechanical frequency-changeable compressor and its application |
| CN105298816A (en) * | 2015-11-23 | 2016-02-03 | 青岛万宝压缩机有限公司 | Control method for rotating speed of totally-closed frequency conversion refrigerating compressor |
| CN107782060A (en) * | 2016-08-30 | 2018-03-09 | 青岛海尔智能技术研发有限公司 | A kind of method that refrigerator door open-close is detected with temperature signal |
| WO2018108117A1 (en) * | 2016-12-14 | 2018-06-21 | 青岛海尔股份有限公司 | Refrigerator for improving stability of linear compressor, and control method therefor |
| WO2018108118A1 (en) * | 2016-12-14 | 2018-06-21 | 青岛海尔股份有限公司 | Refrigerator for improving stability of linear compressor, and control method therefor |
| CN110953776A (en) * | 2019-11-22 | 2020-04-03 | 海信（山东）冰箱有限公司 | Refrigeration equipment and shutdown control method of compressor of refrigeration equipment |
| CN114459187A (en) * | 2020-11-09 | 2022-05-10 | 海信容声(广东)冰箱有限公司 | Variable frequency refrigerator and control method thereof |
| CN114459187B (en) * | 2020-11-09 | 2024-04-05 | 海信容声(广东)冰箱有限公司 | Variable-frequency refrigerator and control method thereof |
| CN112682989A (en) * | 2020-12-29 | 2021-04-20 | 珠海格力电器股份有限公司 | Compressor rotating speed control method, device and equipment and refrigerator |
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