CN1773201A - Power-cut operating control method for cold storage refrigerator and refrigerator using the same method - Google Patents
Power-cut operating control method for cold storage refrigerator and refrigerator using the same method Download PDFInfo
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- CN1773201A CN1773201A CN 200410052217 CN200410052217A CN1773201A CN 1773201 A CN1773201 A CN 1773201A CN 200410052217 CN200410052217 CN 200410052217 CN 200410052217 A CN200410052217 A CN 200410052217A CN 1773201 A CN1773201 A CN 1773201A
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Abstract
The present invention discloses an outage operation control method of cold storage refrigerator. The refrigeration system of the refrigerator has a cold storage device, said cold storage device can utilize cold-storage air channel and fan motor to release cold quantity to compartment of refrigerator, said refrigerator operation has two modes of commercial power operation and outage operation. It is characterized by that in the circuit of refrigerator a battery is connected, where the refrigerator is worked in the commercial power operation mode the battery is charged, after the commercial power is cut off, the battery can discharge into the fan motor.
Description
Technical field
The present invention relates to refrigerator, more particularly, relate to a kind of power failure progress control method of cold-storing refrigerator and use the refrigerator of this method.
Background technology
Because the deficiency of supply of electric power, implement the policy of rationing the power supply in many areas, as (especially summer) domestic household often has a power failure in the shortage of electric power area, or the several hrs that has a power failure every day, having a power failure, the temperature of chamber can only rely on the insulation of refrigerator heat-insulation layer between the refrigerator of back, power off time has been grown, between the temperature of chamber raise gradually, the food in the refrigerator is apt to deteriorate, particularly refrigerating chamber, the heat-insulation layer design is thinner, and the back temperature recovery that has a power failure is very fast.The electricity price that the policy of rationing the power supply also is included in peak times of power consumption in one day is higher than the electricity price of electricity consumption low peak period, for fear of freezer compressor refrigerating operaton when the peak of power consumption, reduce consumer's cost burden, on June 26th, 2002 disclosed application number be that 01255478.2 Chinese utility model patent discloses a kind of time-division operation rfrigerator, its casing is established cold storage chamber, utilize cold that cold storage chamber accumulates peak times of power consumption to the refrigerating chamber cooling, do not start shooting when the peak of power consumption to realize refrigerator, use this refrigerator can reduce demand charge in the area of carrying out the time-shared charge electrovalence policy, for the user brings material benefit.But this refrigerator is after power failure, and refrigerator can't be worked, and the cold of cold storage chamber can not pass to refrigerating chamber, can't stop the temperature recovery problem of refrigerating chamber.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of control method of cold-storing refrigerator, and in refrigerator had a power failure back a period of time, cold-storage device continued to transmit a cold to a chamber, makes that the storage temperature of chamber is maintained between refrigerator, to overcome the deficiencies in the prior art.
Another technical problem that will solve of the present invention provides a kind of refrigerator that uses above-mentioned control method, even still can guarantee the temperature of chamber between refrigerator after having a power failure, food can keep fresh and not influenced by power failure.
Technical scheme of the present invention is such: a kind of power failure progress control method of cold-storing refrigerator, the refrigeration system of refrigerator is provided with cold-storage device, cold-storage device is by cold-storage air channel, fan electromotor 4 chamber released cold quantity between refrigerator, the operation of refrigerator divides the civil power operation and the two kinds of patterns of operation that have a power failure, in the circuit of refrigerator, connect battery 2, to battery 2 chargings, behind mains failure, battery 2 is to fan electromotor 4 discharges under the civil power operational mode for refrigerator.
In the above-mentioned control method, battery 2 connection power failure detection circuit 7 and delay control circuits 8 are judged mains failures when power failure detection circuit 7, and delay control circuit 8 is worked, and connects the discharge path of battery 2 and fan electromotor 4 after postponing a period of time.
In the above-mentioned control method, temperature detect switch (TDS) 3 is set on the refrigerator cold-storage device, when meeting the following conditions simultaneously, battery 2 is to fan electromotor 4 discharges:
The discharge path of delay control circuit 8 conducting batteries 2 and fan electromotor 4,
Temperature detect switch (TDS) 3 conductings.
In the above-mentioned control method, when the refrigerator civil power moved, to charge in batteries, charging voltage was in 10～18V scope behind step-down, rectifying and wave-filtering for the 220V electric main.
In the above-mentioned control method, the delay time of delay control circuit 8 is in 30～100min.
A kind of cold-storing refrigerator of the operation that has a power failure, comprise evaporator of refrigerator, accumulate the cold-storage device of evaporimeter cold, make the cold-storage air channel and the fan electromotor 4 of cold-storage device and one or more chamber heat exchanges, refrigerator controller, also comprise a battery that can discharge and recharge 2, the charging circuit 6 of described battery 2 is connected with power-switching circuit 5, connects power failure detection circuit 7, delay control circuit 8 and fan electromotor 4 on the discharge circuit of described battery 2.
In the above-mentioned cold-storing refrigerator, also connect temperature detect switch (TDS) 3 on the discharge circuit of described battery 2, described temperature detect switch (TDS) is arranged on the cold-storage device.
The present invention compared with prior art has the following advantages and beneficial effect: when refrigerator connected the 220V civil power, refrigerator was pressed civil power operational mode control refrigerator work, and to charge in batteries.Freezer compressor is not worked in civil power outage back, and battery is extracted the cold of cold-storage device for the refrigerating chamber refrigeration out to a chamber fan discharge after the time-delay dozens of minutes that has a power failure.Even refrigerator under power down mode, also can guarantee the temperature of chamber between refrigerator substantially, increased the fresh-keeping function under abnormal condition, solved the life in the user because of the worry that power failure causes food to degenerate, make the user use relievedly, refrigerator has more the market competitiveness.
Description of drawings
Fig. 1 is the accumulator charging/discharging circuit logic diagram of cold-storing refrigerator of the present invention;
Fig. 2 is the accumulator charging/discharging circuit schematic diagram of cold-storing refrigerator of the present invention.
The specific embodiment
Each label is represented respectively among Fig. 1 and Fig. 2: 1---control circuit board, 2---battery, 3---cold storage chamber's temperature detect switch (TDS), 4---fan electromotor, 5---power-switching circuit, 6---charging circuit, 7---power failure detection circuit, 8---delay control circuit.
Refrigerator of the present invention is established cold-storage device, and this cold-storage device is in cold storage chamber independently, and cold storage chamber communicates with cold compartment of refrigerator by the cold-storage air channel, and fan is set in refrigerating chamber.The cold-storage material of cold-storage device phase change cold-storage when evaporator of refrigerator freezes, when compressor shutdown, cold-storage device can transmit cold to refrigerating chamber, prolongs the downtime of compressor.In a single day general refrigerator has a power failure, and the controller of refrigerator just can't be worked, and therefore also can't make the fan operation, and the cold of cold storage chamber also can't take in the refrigerating chamber.
The present invention is having now on the control system, has increased to be exclusively used in the battery circuit of back to the fan electromotor power supply that have a power failure.As shown in Figure 1, when the refrigerator normal power supply, charge a battery, cut off the power supply that battery is given delay circuit and fan electromotor by outage detection control simultaneously by power-switching circuit and charging circuit.After refrigerator outage, then battery discharging is powered to delay circuit, delay circuit after time-delay, fan motor runs.All discharge aft-fan for fear of cold and do useless running at the cold-storage material, serial connection temperature detect switch (TDS) 3 on the discharge circuit of battery, temperature detect switch (TDS) is installed in the cold storage chamber, experience the temperature of cold storage chamber, conducting when cold storage chamber's temperature is lower than temperature T 1, disconnect when cold storage chamber's temperature is higher than temperature T 2, disconnect the discharge of battery, fan electromotor is out of service.The span of T1 is in-1～-6 ℃, and the span of T2 is in 1～5 ℃.
Referring to Fig. 2, the power-switching circuit 5 of control circuit board 1 comprises traditional transformer T1 step-down, rectifying and wave-filtering and mu balanced circuit U1, and the 220V civil power is converted to the 15V DC voltage to battery 2 chargings.Charging circuit 6 is made of R3 and diode D2, and suitable battery is small-sized closed, rated voltage 12V, capacity 0.8Ah.Power failure detection circuit 7 comprises triode Q2 and R1, and delay control circuit 8 mainly comprises triode Q1, capacitor C 5 and time base circuit 555.The base stage of triode Q2 connects resistance R 1, after the other end of R1 is connected mu balanced circuit U1, when the operation of refrigerator civil power, during battery 2 chargings, triode Q2 conducting, capacitor C 5 can not be charged, time base circuit 555 is not worked, and triode Q1 ends, and fan electromotor 4 can not be powered by battery 2 charging circuits, under city's power mode, the running of fan is controlled by former control circuit.After the civil power outage, charging circuit disconnects, and triode Q2 ends.After the outage, if 3 connections of cold storage chamber's temperature detect switch (TDS), then battery discharging, battery is to 555 power supplies, and charging constitutes delay circuit to C5 by R2, R5 simultaneously, and the delay time of delay control circuit 8 is in 30～100min.Delay time is to back triode Q1 conducting, fan electromotor operation.Replenish cold to cold compartment of refrigerator, disconnect when cold storage chamber's temperature is increased to temperature detect switch (TDS) 3, fan is out of service.In the battery discharging process, after refrigerator recovers civil power, the Q2 conducting, C5 ends Q1 by R5, Q2 discharge, and fan electromotor is out of service.
Among the present invention, power-switching circuit is converted to low-voltage direct with the alternating current 220V power supply, so that the charge power supply of battery is provided when electricity is arranged.Battery is recharged when AC-powered is arranged, and the outage back is to the fan electromotor power supply, and fan electromotor is used for after power failure the extraction of the cold in the cold storage chamber being discharged into refrigerating chamber.Fan electromotor adopts rated voltage 12V, the rated current dc fan motor less than 80mA.Battery and control circuit board are contained in outer electrical equipment box of case or compressor bin.
Claims (7)
1. the power failure progress control method of a cold-storing refrigerator, the refrigeration system of refrigerator is provided with cold-storage device, cold-storage device is by cold-storage air channel, fan electromotor (4) chamber released cold quantity between refrigerator, the operation of refrigerator divides the civil power operation and the two kinds of patterns of operation that have a power failure, it is characterized in that: in the circuit of refrigerator, connect battery (2), to battery (2) charging, behind mains failure, battery (2) discharges to fan electromotor (4) refrigerator under the civil power operational mode.
2. the power failure progress control method of cold-storing refrigerator according to claim 1, it is characterized in that: battery (2) connects power failure detection circuit (7) and delay control circuit (8), when power failure detection circuit (7) is judged mains failure, delay control circuit (8) is worked, and connects the discharge path of battery (2) and fan electromotor (4) after postponing a period of time.
3. the power failure progress control method of cold-storing refrigerator according to claim 2, it is characterized in that: temperature detect switch (TDS) (3) is set on the refrigerator cold-storage device, and when meeting the following conditions simultaneously, battery (2) discharges to fan electromotor (4):
The discharge path of delay control circuit (8) conducting battery (2) and fan electromotor (4),
Temperature detect switch (TDS) (3) conducting.
4. according to the power failure progress control method of claim 1 or 2 or 3 described cold-storing refrigerators, it is characterized in that: when the refrigerator civil power moved, to charge in batteries, charging voltage was in 10～18V scope behind step-down, rectifying and wave-filtering for the 220V electric main.
5. according to the power failure progress control method of claim 1 or 2 or 3 described cold-storing refrigerators, it is characterized in that: the delay time of delay control circuit (8) is in 30～100min.
One kind have a power failure the operation cold-storing refrigerator, comprise evaporator of refrigerator, accumulate the cold-storage device of evaporimeter cold, make the cold-storage air channel and the fan electromotor (4) of cold-storage device and one or more chamber heat exchanges, refrigerator controller, it is characterized in that: also comprise a battery that can discharge and recharge (2), the charging circuit (6) of described battery (2) is connected with power-switching circuit (5), connects power failure detection circuit (7), delay control circuit (8) and fan electromotor (4) on the discharge circuit of described battery (2).
7. cold-storing refrigerator according to claim 6 is characterized in that: also connect temperature detect switch (TDS) (3) on the discharge circuit of described battery (2), described temperature detect switch (TDS) is arranged on the cold-storage device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100522173A CN100513953C (en) | 2004-11-12 | 2004-11-12 | Power-cut operating control method for cold storage refrigerator and refrigerator using the same method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100522173A CN100513953C (en) | 2004-11-12 | 2004-11-12 | Power-cut operating control method for cold storage refrigerator and refrigerator using the same method |
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| CN1773201A true CN1773201A (en) | 2006-05-17 |
| CN100513953C CN100513953C (en) | 2009-07-15 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213536A (en) * | 2011-07-22 | 2011-10-12 | 成都思摩纳米技术有限公司 | Refrigerator electricity utilization control method and device and refrigerator |
| CN102297555A (en) * | 2011-07-07 | 2011-12-28 | 合肥美的荣事达电冰箱有限公司 | Movable freezer and method for controlling power to be supplied to same |
| JP2015098968A (en) * | 2013-11-19 | 2015-05-28 | ホシザキ電機株式会社 | Cooling storage |
| EP2976585A4 (en) * | 2013-11-05 | 2016-03-30 | Lg Electronics Inc | Refrigerator |
| CN106225374A (en) * | 2016-08-31 | 2016-12-14 | 上海复展智能科技股份有限公司 | A kind of intelligent refrigerator |
| CN106524648A (en) * | 2016-12-20 | 2017-03-22 | 青岛海尔股份有限公司 | Refrigerator and control method thereof |
| CN104506091B (en) * | 2015-01-15 | 2018-06-26 | 广州市奇虎实业有限公司 | A kind of delay control circuit of direct current generator |
| CN111679701A (en) * | 2020-06-15 | 2020-09-18 | Tcl空调器(中山)有限公司 | Temperature control system for refrigeration device and temperature control method for refrigeration device |
| CN115265036A (en) * | 2022-06-08 | 2022-11-01 | 珠海格力电器股份有限公司 | Power distribution method and device of intelligent refrigerator, storage medium and electronic equipment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US9897365B2 (en) * | 2011-12-14 | 2018-02-20 | Lg Electronics Inc. | Refrigerator, thermosyphon, and solenoid valve and method for controlling the same |
-
2004
- 2004-11-12 CN CNB2004100522173A patent/CN100513953C/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297555A (en) * | 2011-07-07 | 2011-12-28 | 合肥美的荣事达电冰箱有限公司 | Movable freezer and method for controlling power to be supplied to same |
| CN102213536A (en) * | 2011-07-22 | 2011-10-12 | 成都思摩纳米技术有限公司 | Refrigerator electricity utilization control method and device and refrigerator |
| US9958192B2 (en) | 2013-11-05 | 2018-05-01 | Lg Electronics Inc. | Refrigerator |
| EP2976585A4 (en) * | 2013-11-05 | 2016-03-30 | Lg Electronics Inc | Refrigerator |
| US9958193B2 (en) | 2013-11-05 | 2018-05-01 | Lg Electronics Inc. | Refrigerator |
| JP2015098968A (en) * | 2013-11-19 | 2015-05-28 | ホシザキ電機株式会社 | Cooling storage |
| CN104506091B (en) * | 2015-01-15 | 2018-06-26 | 广州市奇虎实业有限公司 | A kind of delay control circuit of direct current generator |
| CN106225374A (en) * | 2016-08-31 | 2016-12-14 | 上海复展智能科技股份有限公司 | A kind of intelligent refrigerator |
| CN106524648A (en) * | 2016-12-20 | 2017-03-22 | 青岛海尔股份有限公司 | Refrigerator and control method thereof |
| CN111679701A (en) * | 2020-06-15 | 2020-09-18 | Tcl空调器(中山)有限公司 | Temperature control system for refrigeration device and temperature control method for refrigeration device |
| CN111679701B (en) * | 2020-06-15 | 2021-11-09 | Tcl空调器(中山)有限公司 | Temperature control system for refrigeration device and temperature control method for refrigeration device |
| CN115265036A (en) * | 2022-06-08 | 2022-11-01 | 珠海格力电器股份有限公司 | Power distribution method and device of intelligent refrigerator, storage medium and electronic equipment |
| CN115265036B (en) * | 2022-06-08 | 2023-09-29 | 珠海格力电器股份有限公司 | Power distribution method and device of intelligent refrigerator, storage medium and electronic equipment |
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| Publication number | Publication date |
|---|---|
| CN100513953C (en) | 2009-07-15 |
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