CN101922846A - Control system for single-door frostless refrigerator - Google Patents
Control system for single-door frostless refrigerator Download PDFInfo
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- CN101922846A CN101922846A CN 201010256890 CN201010256890A CN101922846A CN 101922846 A CN101922846 A CN 101922846A CN 201010256890 CN201010256890 CN 201010256890 CN 201010256890 A CN201010256890 A CN 201010256890A CN 101922846 A CN101922846 A CN 101922846A
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Abstract
The invention provides a control system for a single-door frostless refrigerator, which can switch the functions of freezing and refrigerating. The control system comprises a center control section, a signal input section and a signal receiving section, wherein the center control section consists of a singlechip micro processing unit, and a power circuit, an auxiliary circuit, a signal input circuit and a signal output circuit which are electrically connected with the singlechip micro processing unit respectively; the signal input section comprises a refrigerator inside temperature sensor and an evaporator temperature sensor which are electrically connected with the signal input circuit respectively; the signal receiving section comprises a compressor, an evaporator fan motor and a heater which are electrically connected with the signal output circuit respectively; and the signal input section comprises a freezer/ refrigerator operating mode selection unit which are electrically connected with the signal input circuit. The control system makes the single-door frostless refrigerator capable of switching the functions of freezing and refrigerating optionally, improves the application range of the single-door frostless refrigerator and greatly meets different consumer demands.
Description
Technical field
The present invention relates to refrigerator control field, relate in particular to the control field of frost-free refrigerator-freezer.
Background technology
Current refrigerator divides from refrigeration system direct cooling refrigerator and frost-free refrigerator.The refrigeration principle of frost-free refrigerator is to make evaporimeter absorb heat by compressor operating to freeze, the fan electromotor operation makes the circulating cold air on the evaporimeter flow to each position in the case, make the temperature in the case progressively reach design temperature, this moment, compressor shut down, by the time the temperature inside the box goes back up to the compressor turn-on temperature, compressor just reruns, and so moves in circles, and reaches the purpose of refrigeration.The control system of current frost-free refrigerator adopts general single-chip computer control system technology usually, the observed temperature of refrigerator design temperature and the temperature inside the box sensor is input to the single-chip microcomputer microprocessing unit, move by the software program in the single-chip microcomputer, output signal control compressor and evaporator fan motor operation carrying out refrigeration work, actual temperature in the control charactron show case is lighted LED light as freezing indication.When the temperature inside the box sensor detection the temperature inside the box reached the compressor shutdown temperature, single-chip microcomputer output signal control compressor and evaporator fan motor were out of service, and evaporimeter stops refrigeration.
The frost-free refrigerator compressor operating makes evaporimeter absorption heat freeze, after evaporimeter freezes a period of time, evaporator surface can amass frost, the frost layer is blocked up will to cause evaporimeter heat exchange variation, make the refrigeration performance variation, so the long-pending frost of evaporator surface will be disposed, to guarantee the refrigeration performance of refrigerator, frost-free refrigerator is the control mode that adopts automatic defrosting, when the compressor operating time accumulation reaches certain hour, enter the automatic defrosting process, compressor and evaporator fan motor are out of service in the automatic defrosting process, refrigerator stops refrigeration, electric heater carries out defrost to evaporimeter heating, and during design temperature, electric heater stops heating before the evaporator temperature sensor of installing on the evaporimeter reaches, automatically withdraw from defrost process, enter the refrigerator process of refrigerastion.
Current simple gate refrigerator has two kinds of refrigerating box and household freezers, but or be single household freezer, or be single refrigerating box, but still do not have a kind ofly can carry out the frost-free refrigerator that function is switched between freezing and the refrigeration.
Summary of the invention
At the deficiency of above-mentioned simple gate refrigerator, the invention provides a kind of control system that can carry out the single-door frostless refrigerator of freezing and cold storage function switching.
Technical scheme of the present invention is: a kind of control system of single-door frostless refrigerator, comprise center control section, stimulus part and signal receive section, described center control section is electrically connected with stimulus part and signal receive section respectively, and wherein said center control section is by the single-chip microcomputer microprocessing unit and power circuit, auxiliary circuit, signal input circuit and the signal output apparatus of electrical connection are formed with it respectively; Described stimulus part comprises the temperature inside the box sensor and the evaporator temperature sensor that is electrically connected with described signal input circuit respectively; Described signal receive section comprises compressor, evaporator fan motor and the heater that is electrically connected with described signal output apparatus respectively, described stimulus part also comprises the household freezer/refrigerating box mode of operation selected cell that is electrically connected with signal input circuit, can select household freezer function or refrigerating box function by this mode of operation selected cell.
Described stimulus part also comprises the household freezer/refrigerating box temperature setup unit that is electrically connected with signal input circuit, can be according to the temperature range of selected Working mode set household freezer temperature range and refrigerating box by this temperature setup unit.
Described signal receive section also comprises the temperature display unit that is electrically connected with described signal output apparatus, and this temperature display unit can show the Current Temperatures in the casing and/or temperature is set.
Described signal receive section also comprises indication of household freezer mode of operation and the indication of refrigerating box mode of operation that is electrically connected with described signal output apparatus respectively, when selecting the household freezer mode of operation, the bright lamp of household freezer mode of operation indication meeting, when selecting the refrigerating box mode of operation, the indication of refrigerating box mode of operation can bright lamp.
Described stimulus part also comprises the quick-frozen/fast cold mode selecting unit that is electrically connected with signal input circuit, can select refrigerator to enter the quick-frozen pattern by quick-frozen/fast cold mode selecting unit under the household freezer mode of operation and select refrigerator to enter fast cold pattern under the refrigerating box mode of operation.
Described signal receive section also comprises quick-frozen pattern indication and the fast cold pattern indication that is electrically connected with described signal output apparatus respectively, is respectively applied for to indicate refrigerator to be in quick-frozen pattern under the household freezer mode of operation and the fast cold pattern under the refrigerating box mode of operation.
Control system provided by the present invention makes single-door frostless refrigerator carry out the function switching arbitrarily between freezing and refrigeration, has improved the scope of application of single-door frostless refrigerator, has satisfied different consumption demands greatly.
Description of drawings:
Fig. 1 is a control system composition diagram of the present invention.
The specific embodiment:
The present invention is described further below in conjunction with the drawings and specific embodiments.
The control system of a kind of single-door frostless refrigerator as shown in Figure 1, comprise center control section 100, stimulus part 200 and signal receive section 300, described center control section 100 is electrically connected with stimulus part 200 and signal receive section 300 respectively, and wherein said center control section 100 is by single-chip microcomputer microprocessing unit 9 and power circuit 8, auxiliary circuit 10, signal input circuit 7 and the signal output apparatus 11 of electrical connection are formed with it respectively; Described stimulus part 200 comprises the temperature inside the box sensor 3 and the evaporator temperature sensor 4 that is electrically connected with described signal input circuit 7 respectively, and the said temperature sensor generally adopts the NTC thermistor; Described signal receive section 300 comprises compressor 13, evaporator fan motor 14 and the heater 15 that is electrically connected with described signal output apparatus 11 respectively, described stimulus part 200 also comprises the household freezer/refrigerating box mode of operation selected cell 5 that is electrically connected with signal input circuit 7, can select household freezer function or refrigerating box function by this mode of operation selected cell.
Described stimulus part 200 also comprises the household freezer/refrigerating box temperature setup unit 1 that is electrically connected with signal input circuit 7, can be according to the temperature range of selected Working mode set household freezer temperature range and refrigerating box by this temperature setup unit.
Described signal receive section 300 also comprises the temperature display unit 12 that is electrically connected with described signal output apparatus 11, and this temperature display unit can show the Current Temperatures in the casing and/or temperature is set.
Described signal receive section 300 also comprises indication 16 of household freezer mode of operation and the refrigerating box mode of operation indication 17 that is electrically connected with described signal output apparatus 11 respectively, when selecting the household freezer mode of operation, the bright lamp of household freezer mode of operation indication meeting, when selecting the refrigerating box mode of operation, the indication of refrigerating box mode of operation can bright lamp.
Described stimulus part 200 also comprises the quick-frozen/fast cold mode selecting unit 6 that is electrically connected with signal input circuit 7, can select refrigerator to enter the quick-frozen pattern by quick-frozen/fast cold mode selecting unit 6 under the household freezer mode of operation and select refrigerator to enter fast cold pattern under the refrigerating box mode of operation.
Described signal receive section 300 also comprises quick-frozen pattern indication 18 and the fast cold pattern indication 19 that is electrically connected with described signal output apparatus 11 respectively, is respectively applied for the indication refrigerator and is in quick-frozen pattern under the household freezer mode of operation and the fast cold pattern under the refrigerating box mode of operation.
When the control system of this single-door frostless refrigerator is worked, at first select refrigerator to be in household freezer mode of operation or refrigerating box mode of operation by household freezer/refrigerating box mode of operation selected cell 5, pass through household freezer/refrigerating box temperature setup unit 1 again according to selected Working mode set household freezer temperature or refrigerating box temperature, for example the household freezer temperature range is set at-15 ℃～-24 ℃, the refrigerating box temperature range is made as 2 ℃～8 ℃, mode of operation and temperature setting signal are handled by signal input circuit 7 input single-chip microcomputer microprocessing units 9 in house softwares, single-chip microcomputer microprocessing unit 9 sends signal and lights the indicator lamp of household freezer mode of operation indication 16 or the indicator lamp of refrigerating box mode of operation indication 17, the residing mode of operation of indication refrigerator by the control of signal output apparatus 11 output signals then.
In non-quick-frozen and non-speed during cold and non-defrost state, single-chip microcomputer microprocessing unit 9 is by the temperature of temperature sensor 3 in signal input circuit 7 sampling boxes in the refrigerator work process, if the temperature inside the box value that collects is more than or equal to the compressor turn-on temperature, single-chip microcomputer microprocessing unit 9 is just controlled the start of compressor 13 and the operation of evaporator fan motor 14 by signal output apparatus 11 output signals, and the compressor turn-on temperature is higher 1 ℃ than design temperature in the case generally speaking; If the temperature value of the temperature inside the box sensor 3 that collects is equal to or less than the compressor shutdown temperature; then single-chip microcomputer microprocessing unit 9 shutdown and the evaporator fan motor 14 of controlling compressor 13 by signal output apparatus 11 output signals is out of service, and the compressor shutdown temperature is than low 1 ℃ of design temperature in the case generally speaking.
Single-chip microcomputer microprocessing unit 9 enters defrost process according to the judgement of compressor accumulated operating time in the refrigerator work process, under the household freezer mode of operation, the compressor accumulated operating time is greater than entering the defrost state in 16 hours, under the refrigerating box mode of operation, accumulated operating time is greater than entering the defrost state in 48 hours, the defrost state comes control heater 15 work by signal output apparatus 11 output signals, 15 pairs of evaporimeters of heater heat defrosting, compressor 13 and evaporator fan motor 14 all quit work in defrost process, single-chip microcomputer microprocessing unit 9 is gathered the temperature value of evaporator temperature sensor 4 by signal input circuit 7, when its greater than 7 ℃ or defrost time more than or equal to 50 minutes, heater 15 stops heating, withdraw from defrost process, compressor 13 starts, 14 operations of evaporator fan motor enter the refrigerator process of refrigerastion.
Under the household freezer mode of operation; can select refrigerator to enter the quick-frozen pattern by quick-frozen/fast cold mode selecting unit 6; the indicator lamp of quick-frozen pattern indication 18 is lighted; the quick-frozen state is that the continuous operation of compressor was not shut down in 26 hours; when selecting to withdraw from the operation 26 hours continuously of quick-frozen pattern or compressor, refrigerator withdraws from the quick-frozen pattern, and compressor is out of service; the quick-frozen indicator lamp extinguishes, and withdraws from after the quick-frozen pattern by the design temperature operation that enters before the quick-frozen.
Under the refrigerating box mode of operation, can select refrigerator to enter fast cold pattern by quick-frozen/fast cold mode selecting unit 6, the indicator lamp of the cold pattern indication 19 of speed is lighted, design temperature is 2 ℃ in the speed cold state foot acquiescence case, compressor moves continuously, when the temperature value that satisfies the temperature inside the box sensor 3 be less than or equal to 1 ℃ or compressor continuously operation more than or equal to then withdrawing from fast cold pattern in 6 hours, refrigerator withdraws from fast cold pattern, compressor is out of service, the cold indicator lamp of speed extinguishes, and withdraws from after the fast cold pattern by entering the design temperature operation of speed before cold.
Control system provided by the present invention makes single-door frostless refrigerator carry out the function switching arbitrarily between freezing and refrigeration, has improved the scope of application of single-door frostless refrigerator, has satisfied different consumption demands greatly.
Claims (6)
1. the control system of a single-door frostless refrigerator, comprise center control section (100), stimulus part (200) and signal receive section (300), same respectively stimulus part of described center control section (100) (200) and signal receive section (300) are electrically connected, and wherein said center control section (100) is by single-chip microcomputer microprocessing unit (9) and power circuit (8), auxiliary circuit (10), signal input circuit (7) and the signal output apparatus (11) of electrical connection are formed with it respectively; Described stimulus part (200) comprises the temperature inside the box sensor (3) and the evaporator temperature sensor (4) that is electrically connected with described signal input circuit (7) respectively; Described signal receive section (300) comprises compressor (13), evaporator fan motor (14) and the heater (15) that is electrically connected with described signal output apparatus (11) respectively, it is characterized in that: described stimulus part (200) also comprises the household freezer/refrigerating box mode of operation selected cell (5) that is electrically connected with signal input circuit (7).
2. the control system of single-door frostless refrigerator according to claim 1, it is characterized in that: described stimulus part (200) also comprises the household freezer/refrigerating box temperature setup unit (1) that is electrically connected with signal input circuit (7).
3. the control system of single-door frostless refrigerator according to claim 2, it is characterized in that: described signal receive section (300) also comprises the temperature display unit (12) that is electrically connected with described signal output apparatus (11).
4. the control system of single-door frostless refrigerator according to claim 1 is characterized in that: described signal receive section (300) comprises that also the household freezer mode of operation indication (16) and the refrigerating box mode of operation that are electrically connected with described signal output apparatus (11) respectively indicate (17).
5. according to the control system of each described single-door frostless refrigerator of claim 1 to 4, it is characterized in that: described stimulus part (200) also comprises the quick-frozen/fast cold mode selecting unit (6) that is electrically connected with signal input circuit (7).
6. the control system of single-door frostless refrigerator according to claim 5 is characterized in that: described signal receive section (300) comprises that also the quick-frozen pattern indication (18) and the fast cold pattern that are electrically connected with described signal output apparatus (11) respectively indicate (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010256890 CN101922846A (en) | 2010-08-17 | 2010-08-17 | Control system for single-door frostless refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010256890 CN101922846A (en) | 2010-08-17 | 2010-08-17 | Control system for single-door frostless refrigerator |
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| CN101922846A true CN101922846A (en) | 2010-12-22 |
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| CN 201010256890 Pending CN101922846A (en) | 2010-08-17 | 2010-08-17 | Control system for single-door frostless refrigerator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061752A (en) * | 2014-04-25 | 2014-09-24 | 合肥华凌股份有限公司 | Control system of refrigerator and refrigerator |
| CN105823297A (en) * | 2016-04-18 | 2016-08-03 | 合肥华凌股份有限公司 | Refrigeration-to-freezing control method and control system for double-fan refrigerator and double-fan refrigerator |
| CN109442785A (en) * | 2018-10-30 | 2019-03-08 | 海信容声(广东)冰箱有限公司 | Refrigeration equipment and control method |
| CN109781363A (en) * | 2018-12-28 | 2019-05-21 | 青岛海尔股份有限公司 | The detection method and detection device of refrigerator leakproofness |
| CN112815614A (en) * | 2021-01-07 | 2021-05-18 | 珠海格力电器股份有限公司 | Refrigerator control method and device, refrigerator, storage medium and processor |
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| CN2091437U (en) * | 1991-04-29 | 1991-12-25 | 天津商学院制冷技术研究所 | Automatic defrost temp. controller with electron brain for cold storage |
| US5339644A (en) * | 1993-04-29 | 1994-08-23 | Singh Kanwal N | Defrost system for refrigeration apparatus |
| CN2276623Y (en) * | 1996-10-15 | 1998-03-18 | 杭州格雷福电脑控制器有限公司 | Refrigeration cooling type electric freezer |
| CN2482036Y (en) * | 2001-05-22 | 2002-03-13 | 广东科龙电器股份有限公司 | Direct-cooled refrigerator with changeable temp. chamber |
| CN101086407A (en) * | 2006-06-09 | 2007-12-12 | 海尔集团公司 | Circulated air channel of three-door refrigerator |
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2010
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Patent Citations (5)
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| CN2091437U (en) * | 1991-04-29 | 1991-12-25 | 天津商学院制冷技术研究所 | Automatic defrost temp. controller with electron brain for cold storage |
| US5339644A (en) * | 1993-04-29 | 1994-08-23 | Singh Kanwal N | Defrost system for refrigeration apparatus |
| CN2276623Y (en) * | 1996-10-15 | 1998-03-18 | 杭州格雷福电脑控制器有限公司 | Refrigeration cooling type electric freezer |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061752A (en) * | 2014-04-25 | 2014-09-24 | 合肥华凌股份有限公司 | Control system of refrigerator and refrigerator |
| CN105823297A (en) * | 2016-04-18 | 2016-08-03 | 合肥华凌股份有限公司 | Refrigeration-to-freezing control method and control system for double-fan refrigerator and double-fan refrigerator |
| CN105823297B (en) * | 2016-04-18 | 2018-12-28 | 合肥华凌股份有限公司 | Two fans refrigerator freezing turns control method, control system and the two fans refrigerator of refrigeration |
| CN109442785A (en) * | 2018-10-30 | 2019-03-08 | 海信容声(广东)冰箱有限公司 | Refrigeration equipment and control method |
| CN109442785B (en) * | 2018-10-30 | 2021-05-07 | 海信容声(广东)冰箱有限公司 | Refrigeration equipment and control method |
| CN109781363A (en) * | 2018-12-28 | 2019-05-21 | 青岛海尔股份有限公司 | The detection method and detection device of refrigerator leakproofness |
| CN112815614A (en) * | 2021-01-07 | 2021-05-18 | 珠海格力电器股份有限公司 | Refrigerator control method and device, refrigerator, storage medium and processor |
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Application publication date: 20101222 |