CN102865717A - Refrigerator and energy-saving refreshing device thereof - Google Patents
Refrigerator and energy-saving refreshing device thereof Download PDFInfo
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- CN102865717A CN102865717A CN2012103908353A CN201210390835A CN102865717A CN 102865717 A CN102865717 A CN 102865717A CN 2012103908353 A CN2012103908353 A CN 2012103908353A CN 201210390835 A CN201210390835 A CN 201210390835A CN 102865717 A CN102865717 A CN 102865717A
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Abstract
The invention provides a refrigerator and an energy-saving refreshing device of the refrigerator. The energy-saving refreshing device comprises an environmental temperature sensor for detecting the temperature of the ambient environment of the refrigerator, an evaporator temperature sensor for detecting the temperature of an evaporator of the refrigerator, a low-temperature compensation heating wire for compensating the heating when the environmental temperature of the refrigerator is low, a micro-control unit that is connected with the environmental temperature sensor, the evaporator temperature sensor and the low-temperature compensation heating wire, and a power circuit, wherein the low-temperature compensation heating wire is automatically controlled through the micro-control unit to heat when the temperature of the ambient temperature of the refrigerator is lower than a first set value, and the low-temperature compensation heating wire is automatically controlled to stop heating when the temperature of the ambient environment of the refrigerator is higher than a second set value; meanwhile, the operation of an air compressor of the refrigerator is controlled according to the detected value of the evaporator temperature sensor; and the power circuit is connected with the micro-control unit to supply the working current to the micro-control unit. With the adoption of the refrigerator and the energy-saving refreshing device provided by the invention, the problem of a traditional mechanical refrigerator of poor freezing and refrigerating effect or large electricity consumption can be solved.
Description
Technical field
The present invention relates to a kind of refrigerating plant, relate in particular to a kind of refrigerator and energy-saving fresh-keeping device thereof.
Background technology
As the critical piece of refrigerator, the start-stop of traditional mechanical refrigerator compressor depends on the switch of temperature controller, and temperature controller can be switched on or switched off temperature controller according to the temperature of temperature-sensitive head with temperature-sensitive head.The low temp compensating heater strip has two kinds of control modes at present by switch control: one is mechanical type low temp compensating switch, needs user oneself operation; Another is magnet-sensitive switch, can automatically be switched on or switched off heater strip according to the variation of environment temperature, but certain error is arranged.
Application shows that the control model of traditional mechanical refrigerator has following shortcoming:
The user buys back refrigerator usually with regard to inoperation, yet, along with the variation of conversion in season, environment temperature, the gear of temperature controller needs the user to adjust at any time, otherwise can cause the summer gear excessively strong, and compressor works long hours, even do not shut down, power consumption is large, the frosting of refrigerating chamber back; Perhaps winter gear excessively a little less than, the compressor available machine time is short, affects refrigeration, even causes refrigerating chamber to thaw.
Low temp compensating heater strip effectively switch will cause freezing refrigeration poor or the refrigerator power consumption is large, reason one, if the low temp compensating heater strip of refrigerator is controlled with mechanical low temp compensating switch, the user many times forgets in connection in winter, disconnection in summer, the result be winter freezing refrigeration poor, summer is owing to still connect heater strip and cause power consumption very large.Reason two, if the low temp compensating heater strip of refrigerator is controlled with magnet-sensitive switch, although do not need user operable switch, but because there is error in this magnet-sensitive switch, can not accurately control, or can cause---encircle warm when on the low side the access failure heater strip cause freezing refrigeration poor, encircle that warm not disconnect as a result power consumption of heater strip when higher large.
The shortcoming such as seen, traditional mechanical refrigerator exists and operates not hommization, refrigerating effect is poor or energy consumption is high.
Summary of the invention
The object of the present invention is to provide a kind of refrigerator and energy-saving fresh-keeping device thereof, with solve that prior art exists can't Based Intelligent Control, the problem such as refrigerating effect is poor or energy consumption is high.
In order to address the above problem, on the one hand, the invention provides a kind of energy-saving fresh-keeping device, comprising:
Environment temperature sensor is for detection of the temperature of refrigerator surrounding environment;
Evaporator temperature sensor is for detection of the temperature of the evaporimeter of refrigerator;
The low temp compensating heater strip is used for compensating heating when the refrigerator environment temperature is low;
Micro-control unit, be connected with described environment temperature sensor, described evaporator temperature sensor, described low temp compensating heater strip, be used for when the temperature of refrigerator surrounding environment is lower than one first setting value the automatically described low temp compensating heater strip heating of control and when the temperature of refrigerator surrounding environment is higher than one second setting value the automatic described low temp compensating heater strip stopped heating of control, simultaneously according to the operation of the detected value control freezer compressor of evaporator temperature sensor;
Power circuit is connected with described micro-control unit, is used for to described micro-control unit supply operating current.
In a preferred embodiment of above-mentioned energy-saving fresh-keeping device, also comprise two signal acquisition circuits, described environment temperature sensor, described evaporator temperature sensor is connected with described micro-control unit by a described signal acquisition circuit respectively, one described signal acquisition circuit comprises: an end of one first resistance is connected in an end of one second resistance, the other end of described the second resistance is connected in an end of one first electric capacity, the other end of described the first electric capacity is connected in ground, the output of described environment temperature sensor or described evaporator temperature sensor is connected in the node of described the first resistance and described the second resistance, and described micro-control unit is connected in the node of described the second resistance and described the first electric capacity.
In a preferred embodiment of above-mentioned energy-saving fresh-keeping device, described power circuit comprises rectified current, mu balanced circuit and the 50Hz testing circuit that connects successively.
In a preferred embodiment of above-mentioned energy-saving fresh-keeping device, described rectified current comprises:
The negative electrode of one first diode is connected in the negative electrode of one first Zener diode, the positive pole of one first polar capacitor, the anodic bonding of described the first diode is in an end of one the 3rd resistance, the negative electrode of one second diode, the other end of described the 3rd resistance is connected in an end of one second electric capacity, the anodic bonding of described the second diode is in the negative electrode of one the 3rd diode, and the anodic bonding of described the 3rd diode is in the anode of described the first Zener diode and the negative pole of described the first polar capacitor.
In a preferred embodiment of above-mentioned energy-saving fresh-keeping device, described mu balanced circuit comprises:
One end of one the 3rd electric capacity is connected in the negative electrode of one second Zener diode, an end of one the 3rd electric capacity, the positive pole of one second polar capacitor, the other end of described the 3rd electric capacity is connected in an end of one the 3rd resistance and the colelctor electrode of one first positive-negative-positive triode, the other end of described the 4th resistance is connected in the anode of described the second Zener diode, the base stage of described the first positive-negative-positive triode, and the other end of the emitter stage of described the first positive-negative-positive triode, described the 4th electric capacity, the negative pole of described the second polar capacitor are connected in ground.
In a preferred embodiment of above-mentioned energy-saving fresh-keeping device, described 50Hz testing circuit comprises:
One end of one the 5th resistance is connected in one the 5th electric capacity, the emitter stage of one second positive-negative-positive triode, the other end of described the 5th resistance is connected in an end of one the 6th resistance, the base stage of the other end of described the 5th electric capacity and described the second positive-negative-positive triode, the other end of described the 6th resistance is the input of described 50Hz testing circuit, the colelctor electrode of described the second positive-negative-positive triode is connected in an end of one the 7th resistance, one end of one the 8th resistance, the other end of described the 8th resistance is connected in an end of one the 7th electric capacity and as the output of described 50Hz testing circuit, the other end of described the 7th resistance, the other end of described the 7th electric capacity is connected in ground.
In a preferred embodiment of above-mentioned energy-saving fresh-keeping device, also comprise two silicon controlled control circuits that disconnect according to the instruction control power turn-on of described micro-control unit, described micro-control unit is connected with the compressor of described low temperature supplementary heating silk, refrigerator by a described silicon controlled control circuit respectively.
In a preferred embodiment of above-mentioned energy-saving fresh-keeping device, described silicon controlled control circuit comprises:
One end of one the 9th resistance is the input of described silicon controlled control circuit, the other end of described the 9th resistance is connected in the base stage of a NPN type triode, the colelctor electrode of described NPN type triode is connected in an end of 1 the tenth resistance, the emitter stage of described NPN type triode is connected in ground, and the other end of described the tenth resistance is connected in a silicon controlled gate pole.
In a preferred embodiment of above-mentioned energy-saving fresh-keeping device, described environment temperature sensor, described evaporator temperature sensor are the NTC thermistor.
In order to address the above problem, on the other hand, the invention provides a kind of refrigerator, comprise control system and compressor, wherein, described control system comprises above-mentioned arbitrary energy-saving fresh-keeping device, the micro-control unit of described energy-saving fresh-keeping device and described compressor couple.
The present invention varies with temperature, automatically be switched on or switched off the temperature-compensating heater strip, micro-control unit judges according to the temperature of environment temperature sensor, evaporator temperature sensor collection, temperature control is very accurate, thereby solves the poor or large problem of power consumption of refrigerator freezing refrigeration that the user forgets that switch low temp compensating switch or magnet-sensitive switch temperature range error cause.Therefore, the present invention can adjust the temperature of refrigerator automatically in the conversion in season, when ring temperature changes, and solves that the user forgets regulation stall and the freezing refrigeration in winter that causes is poor, and the problems such as frosting, power consumption are large are grown, do not shut down, refrigerate to the time started in summer.Be that the present invention can solve the user and can't effectively arrange traditional mechanical refrigerator and make it to be operated in optimum state, thereby cause the problems such as the poor or power consumption of refrigerator freezing refrigeration is large.
Description of drawings
Fig. 1 is the theory structure schematic diagram of energy-saving fresh-keeping device preferred embodiment of the present invention;
Fig. 2 is the structural representation of the signal acquisition circuit of energy-saving fresh-keeping device preferred embodiment of the present invention;
Fig. 3 is the power circuit of energy-saving fresh-keeping device preferred embodiment of the present invention, the structural representation of silicon controlled control circuit.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further details.
Fig. 1 schematically shows the theory structure of the preferred embodiment of the present invention, Fig. 2 then shows the partial detailed structure of the preferred embodiment of the present invention, as shown in the figure, illustrated energy-saving fresh-keeping device preferred embodiment (hereinafter to be referred as this preferred embodiment) is used for automatically controlling the refrigerator switching on and shutting down time according to environment temperature, and it mainly comprises micro-control unit 1, evaporator temperature sensor 21, environment temperature sensor 22, low temp compensating heater strip 3.Wherein micro-control unit 1 is connected, passes through two silicon controlled control circuits 12 by power circuit 11 and is connected respectively, passes through two signal acquisition circuits 13 with low temp compensating heating wire 3 with compressor m and are connected with environment temperature sensor with evaporator temperature sensor 21 respectively and are connected with power supply LN.Wherein, evaporator temperature sensor 21, environment temperature sensor 22 are preferably NTC (Negative Temperature CoeffiCient, negative temperature coefficient) thermistor.Environment temperature sensor 22 is for detection of the temperature of refrigerator surrounding environment; Evaporator temperature sensor 21 is for detection of the temperature of the evaporimeter of refrigerator; Low temp compensating heater strip 3 is used for compensating heating when the refrigerator environment temperature is low; Micro-control unit 1 is used for when the temperature of refrigerator surrounding environment is lower than one first setting value automatically control low temp compensating heater strip heating and automatic control low temp compensating heater strip 3 stopped heatings when the temperature of refrigerator surrounding environment is higher than one second setting value, control simultaneously the operation of freezer compressor m according to the detected value of evaporator temperature sensor 21, wherein the first setting value can equate with the second setting value, also can be close.Power circuit 11 is connected with micro-control unit 1, and being used for needs active device supply operating current to micro-control unit 1 grade.
For example, the user controls an adjusting device, for example a potentiometer, be arranged on the artificial intelligence gear, the resistance of potentiometer changes, after micro-control unit 1 detects this magnitude of voltage variation, namely be judged as and want automatically automatically to adjust strong and weak gear according to the variation of environment temperature, enter operational mode.
When the temperature of evaporator temperature sensor 21 impressions reaches turn-on temperature, namely reach certain resistance, obtain certain magnitude of voltage by signal acquisition circuit 13, when micro-control unit 1 detects this voltage, namely think to have reached turn-on temperature, then drive the silicon controlled control circuit conducting, thereby with compressor m access electric power loop, also namely be connected with power supply LN, compressor m starts working; Otherwise, when the temperature of evaporator temperature sensor 21 impressions reaches shutoff temperature, namely reach certain resistance, obtain certain magnitude of voltage by signal acquisition circuit 13, when micro-control unit 1 detects this voltage, namely think to have reached shutoff temperature, then drive silicon controlled control circuit 12 and turn-off, thereby compressor m is disconnected from electric power loop, and compressor m quits work.
Winter, environment temperature reduced, the environment temperature sensor 22 in time change in resistance that variations in temperature is corresponding feeds back to micro-control unit 1, voltage after signal acquisition circuit 13 just obtains changing, after voltage that micro-control unit 1 detects reaches setting value, namely thinking needs to have connected low temp compensating heater strip 3, at this moment micro-control unit 1 drives silicon controlled control circuit 12 conductings, with low temp compensating heater strip 3 access electric power loops, compensates heating.Otherwise, winter gave place to spring, environment temperature is slowly gone up, the environment temperature sensor 22 in time change in resistance that variations in temperature is corresponding feed back to micro-control unit 1, and the voltage after signal acquisition circuit 13 just obtains changing is after voltage that micro-control unit 1 detects reaches setting value, namely thinking does not need to have heated, at this moment micro-control unit 1 drives silicon controlled control circuit 12 disconnections, thereby low temp compensating heater strip 3 is disconnected stopped heating with power supply LN.
In addition, this preferred embodiment also comprises illuminating lamp 41 and lamp switch 42, the two illuminating lamp for using in the refrigerator, and the lamp that opens the door is bright, the pass gate light goes out.Illuminating lamp 41 and lamp switch 42 are connected in the power circuit together, and lamp switch 42 is normally closed switch, are in closure (conducting) state when namely not being subjected to external force, disconnect when applying external force.When refrigerator is closed the door state usually, lamp switch 42 is applied external force, lamp switch 42 disconnects, and illuminating lamp 41 does not work; Will discharge when the user opens the door this lamp switch 42 is applied external force, lamp switch 42 returns to normal and closed (conducting), at this moment illuminating lamp 41 access electric power loops and lighting.
As shown in Figure 2, signal acquisition circuit 13 comprises: an end of the first resistance R 1 is connected in an end of the second resistance R 2, the other end of the second resistance R 2 is connected in an end of the first capacitor C 1, the other end of the first capacitor C 1 is connected in ground, the output of environment temperature sensor 22, evaporator temperature sensor 21 is connected in the node of the first resistance R 1 and the second resistance R 2, and micro-control unit 1 is connected in the node of the second resistance R 2 and the first capacitor C 1.
The first resistance R 1 provides the biasing of each temperature sensor, and the second resistance R 2 and the first capacitor C 1 form low pass filter, eliminate High-frequency Interference, and play the port effect of protection micro-control unit 1.
As shown in Figure 3, L represents the live wire of power supply, and N represents the zero line of power supply, and power circuit 11 comprises rectification circuit 111, mu balanced circuit 112 and the 50Hz testing circuit 113 that connects successively.The core of circuit shown in Figure 3 is the common point of forceful electric power of structure and light current control, and forceful electric power, the weak control circuit of controllable silicon TR1 is associated.Silicon controlled TR1 control end is light current+5V, is again simultaneously the L end of forceful electric power, is the common point of forceful electric power and light current control.
Wherein, rectification circuit 111 comprises: the negative electrode of the first diode D1 is connected in the negative electrode of the first Zener diode ZD1, the positive pole of the first polar capacitor E1, the anodic bonding of the first diode D1 is in an end of the 3rd resistance R 3, the negative electrode of the second diode D2, the other end of the 3rd resistance R 3 is connected in an end of the second capacitor C 2, the anodic bonding of the second diode D2 is in the negative electrode of the 3rd diode D3, and the anodic bonding of the 3rd diode D3 is in the anode of the first Zener diode ZD1 and the negative pole of the first polar capacitor E1.
The node of the negative electrode of the anode of the second diode D2 and the 3rd diode D3 is also drawn holding wire IN input 50Hz testing circuit.
Can set the second capacitor C 2=1uF, the 50Hz AC impedance is about 3K Ω, and the electric current of maximum 50mA can be provided for late-class circuit.
When live wire L voltage dropped to minimum of a value from maximum, electric current flowed back to live wire L from zero line N through the second capacitor C 2, the 3rd resistance R 3, the first diode D1.
When live wire L voltage rises to maximum from minimum of a value, electric current flows back to zero line N from live wire L through the first Zener diode ZD1, the first polar capacitor E1, the 3rd diode D3, the second diode D2, the 3rd resistance R 3, the second capacitor C 2, and the first polar capacitor E1 is charged; The upper polarity of voltage of the first polar capacitor E1 be upper just, lower negative; The upper voltage max of the first polar capacitor E1 is determined by the first Zener diode ZD1.
The electric charge that the first polar capacitor E1 stores in an ac cycle need satisfy late-class circuit requirements of one's work in the whole 50HZ cycle, assurance mu balanced circuit energy stable output+5V voltage.
Mu balanced circuit 112 comprises: an end of the 3rd capacitor C 3 is connected in an end of the negative electrode of the second Zener diode ZD2, the 3rd capacitor C 3, the positive pole of the second polar capacitor E2, the other end of the 3rd capacitor C 3 is connected in an end of the 3rd resistance R 3 and the colelctor electrode of the first positive-negative-positive triode P1, the other end of the 4th resistance R 4 is connected in the anode of the second Zener diode ZD2, the base stage of the first positive-negative-positive triode P1, and the negative pole of the emitter stage of the first positive-negative-positive triode P1, the other end of the 4th capacitor C 4, the second polar capacitor E2 is connected in ground.
Mu balanced circuit 112 is simple diode mu balanced circuit, and the first positive-negative-positive triode P1 can provide the electric current output of 50mA as current amplifier.
The amplitude that 50Hz testing circuit 112 transmits holding wire IN is the negative square-wave signal that the negative trapezoidal wave signal of 12V oppositely amplifies, is shaped as amplitude 5V, via holding wire OUT output, outputs to the pin of micro-control unit 1.
Fig. 3 also shows the circuit diagram of silicon controlled control circuit 12, silicon controlled control circuit 12 is used for disconnecting according to the instruction control power turn-on of micro-control unit 1, and micro-control unit 1 is connected with the compressor m of low temperature supplementary heating silk 3, refrigerator by a silicon controlled control circuit 12 respectively.
Silicon controlled control circuit 12 comprises: an end COMP of the 9th resistance R 9 is the input of silicon controlled control circuit 12, for is connected connection with micro-control unit, the other end of the 9th resistance R 9 is connected in the base stage of NPN type triode N1, the colelctor electrode of NPN type triode N1 is connected in an end of the tenth resistance R 10, the emitter stage of NPN type triode N1 is connected in ground, the other end of the tenth resistance R 10 is connected in the gate pole of controllable silicon TR1, and the negative electrode of controllable silicon TR1, anodic bonding are in live wire L, compressor m.
When the control end of compressor m, an end COMP of the 9th resistance R 9 during for high level, flows through DC current from the negative electrode of controllable silicon TR1 to the gate pole, this moment controllable silicon TR1 negative electrode, anode between conducting.Alternating current 220V voltage is applied on the compressor m, compressor m work.Alternating current flows through between zero line N, live wire L.
Heavy-current control all is to realize that with controllable silicon TR1 compare relay, required drive current is less, and power consumption is lower.Machinery-free executing agency, the life-span is longer, and reliability is high.And can be implemented in the zero-crossing of alternating current startup, reduce electrical network is disturbed.
To sum up, the present invention can vary with temperature, and automatically is switched on or switched off the temperature-compensating heater strip, and temperature control is very accurate, thereby solve the problems such as the poor or power consumption of refrigerator freezing refrigeration that the user forgets that switch low temp compensating switch or magnet-sensitive switch temperature range error cause is large, and intelligent level is high.
As known by the technical knowledge, the present invention can realize by other the embodiment that does not break away from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment with regard to each side, all just illustrates, and is not only.All within the scope of the present invention or the change within being equal to scope of the present invention all be included in the invention.
Claims (10)
1. an energy-saving fresh-keeping device is characterized in that, comprising:
Environment temperature sensor is for detection of the temperature of refrigerator surrounding environment;
Evaporator temperature sensor is for detection of the temperature of the evaporimeter of refrigerator;
The low temp compensating heater strip is used for compensating heating when the refrigerator environment temperature is low;
Micro-control unit, be connected with described environment temperature sensor, described evaporator temperature sensor, described low temp compensating heater strip, be used for when the temperature of refrigerator surrounding environment is lower than one first setting value the automatically described low temp compensating heater strip heating of control and when the temperature of refrigerator surrounding environment is higher than one second setting value the automatic described low temp compensating heater strip stopped heating of control, simultaneously according to the operation of the detected value control freezer compressor of evaporator temperature sensor;
Power circuit is connected with described micro-control unit, is used for to described micro-control unit supply operating current.
2. energy-saving fresh-keeping device according to claim 1 is characterized in that,
Also comprise two signal acquisition circuits, described environment temperature sensor, described evaporator temperature sensor is connected with described micro-control unit by a described signal acquisition circuit respectively, one described signal acquisition circuit comprises: an end of one first resistance is connected in an end of one second resistance, the other end of described the second resistance is connected in an end of one first electric capacity, the other end of described the first electric capacity is connected in ground, the output of described environment temperature sensor or described evaporator temperature sensor is connected in the node of described the first resistance and described the second resistance, and described micro-control unit is connected in the node of described the second resistance and described the first electric capacity.
3. energy-saving fresh-keeping device according to claim 1 is characterized in that,
Described power circuit comprises rectified current, mu balanced circuit and the 50Hz testing circuit that connects successively.
4. energy-saving fresh-keeping device according to claim 3 is characterized in that, described rectified current comprises:
The negative electrode of one first diode is connected in the negative electrode of one first Zener diode, the positive pole of one first polar capacitor, the anodic bonding of described the first diode is in an end of one the 3rd resistance, the negative electrode of one second diode, the other end of described the 3rd resistance is connected in an end of one second electric capacity, the anodic bonding of described the second diode is in the negative electrode of one the 3rd diode, and the anodic bonding of described the 3rd diode is in the anode of described the first Zener diode and the negative pole of described the first polar capacitor.
5. energy-saving fresh-keeping device according to claim 3 is characterized in that, described mu balanced circuit comprises:
One end of one the 3rd electric capacity is connected in the negative electrode of one second Zener diode, an end of one the 3rd electric capacity, the positive pole of one second polar capacitor, the other end of described the 3rd electric capacity is connected in an end of one the 3rd resistance and the colelctor electrode of one first positive-negative-positive triode, the other end of described the 4th resistance is connected in the anode of described the second Zener diode, the base stage of described the first positive-negative-positive triode, and the other end of the emitter stage of described the first positive-negative-positive triode, described the 4th electric capacity, the negative pole of described the second polar capacitor are connected in ground.
6. energy-saving fresh-keeping device according to claim 3 is characterized in that, described 50Hz testing circuit comprises:
One end of one the 5th resistance is connected in one the 5th electric capacity, the emitter stage of one second positive-negative-positive triode, the other end of described the 5th resistance is connected in an end of one the 6th resistance, the base stage of the other end of described the 5th electric capacity and described the second positive-negative-positive triode, the other end of described the 6th resistance is the input of described 50Hz testing circuit, the colelctor electrode of described the second positive-negative-positive triode is connected in an end of one the 7th resistance, one end of one the 8th resistance, the other end of described the 8th resistance is connected in an end of one the 7th electric capacity and as the output of described 50Hz testing circuit, the other end of described the 7th resistance, the other end of described the 7th electric capacity is connected in ground.
7. energy-saving fresh-keeping device according to claim 1 is characterized in that,
Also comprise two silicon controlled control circuits that disconnect according to the instruction control power turn-on of described micro-control unit, described micro-control unit is connected with the compressor of described low temperature supplementary heating silk, refrigerator by a described silicon controlled control circuit respectively.
8. energy-saving fresh-keeping device according to claim 7 is characterized in that, described silicon controlled control circuit comprises:
One end of one the 9th resistance is the input of described silicon controlled control circuit, the other end of described the 9th resistance is connected in the base stage of a NPN type triode, the colelctor electrode of described NPN type triode is connected in an end of 1 the tenth resistance, the emitter stage of described NPN type triode is connected in ground, and the other end of described the tenth resistance is connected in a silicon controlled gate pole.
9. energy-saving fresh-keeping device according to claim 1 is characterized in that,
Described environment temperature sensor, described evaporator temperature sensor are the NTC thermistor.
10. a refrigerator comprises control system and compressor, it is characterized in that,
Described control system comprises the arbitrary described energy-saving fresh-keeping device of claim 1-9,
The micro-control unit of described energy-saving fresh-keeping device and described compressor couple.
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| CN105486023A (en) * | 2014-09-16 | 2016-04-13 | 苏州益而益电器制造有限公司 | Refrigerator having continuous temperature-adjusting function |
| CN105486022A (en) * | 2014-09-16 | 2016-04-13 | 苏州益而益电器制造有限公司 | Method and device used for controlling internal temperature of refrigeration equipment |
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| CN105526775A (en) * | 2015-12-04 | 2016-04-27 | 六安索伊电器制造有限公司 | Low-temperature automatic compensation controller for mechanical refrigerator |
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