CN106766487A - A kind of refrigerator and its control method - Google Patents
A kind of refrigerator and its control method Download PDFInfo
- Publication number
- CN106766487A CN106766487A CN201611235036.3A CN201611235036A CN106766487A CN 106766487 A CN106766487 A CN 106766487A CN 201611235036 A CN201611235036 A CN 201611235036A CN 106766487 A CN106766487 A CN 106766487A
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- China
- Prior art keywords
- temperature
- changing chamber
- temperature sensor
- heating element
- element heater
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/12—Sensors measuring the inside temperature
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The present invention provides a kind of refrigerator and its control method, the refrigerator includes temperature-changing chamber, refrigeration system, air channel, blower fan and controller, heating element heater in the air channel, it is used to sense the first temperature sensor of the temperature on the upside of temperature-changing chamber on the upside of the temperature-changing chamber, it is used to sense the second temperature sensor of the temperature on the downside of temperature-changing chamber on the downside of the temperature-changing chamber, temperature-changing chamber from freezing patten transformation during being refrigeration pattern or ice temperature pattern, on the one hand, the heating element heater and blower fan start, there is provided heat to accelerate the switching time of the temperature-changing chamber to the temperature-changing chamber, it is user-friendly；On the other hand; when the temperature difference of the temperature that first temperature sensor, second temperature sensor are sensed is higher than the first fiducial temperature; the controller controls the heating element heater to shut down; the blower fan persistently starts so that the temperature in the temperature-changing chamber uniformly, is conducive to the fresh-keeping of the food in the temperature-changing chamber simultaneously.
Description
Technical field
The present invention relates to art of refrigeration units, more particularly to a kind of temperature-changing chamber refrigeration pattern is converted in comfortable frozen mode
Or the refrigerator and its control method of non-uniform temperature in temperature-changing chamber are prevented from during ice temperature pattern.
Background technology
Refrigerator is one of essential household electrical appliance of many families, is that the life of people is provided convenience, with refrigerator
The development of technology and the variation of consumer demand, occur in that the refrigerator with temperature-changing chamber, to meet consumer demand.
The existing refrigerator with temperature-changing chamber, is the process of refrigeration pattern or ice temperature pattern in freezing patten transformation certainly
In, a part is refrigerator is converted to refrigeration pattern or ice temperature pattern by way of natural heat-exchange, but, downtime mistake
It is long, it is impossible to meet the timely demand of user；Another part is that heating element heater is set in temperature-changing chamber, and mould is freezed certainly with temperature-changing chamber
Formula provides heat during being converted to refrigeration pattern or ice temperature pattern to the temperature-changing chamber, so that the temperature in the temperature-changing chamber
Degree rapid increase, but, hot-spot in temperature-changing chamber is easily caused, the temperature of the temperature sensor sensing in temperature-changing chamber is inaccurate.
In view of this, it is necessary to provide a kind of new refrigerator and its control method to solve the above problems.
The content of the invention
It is an object of the invention to provide a kind of temperature-changing chamber refrigeration pattern or ice Wen Mo are converted in comfortable frozen mode
The refrigerator and its control method of non-uniform temperature in temperature-changing chamber are prevented from during formula.
For achieving the above object, the present invention is adopted the following technical scheme that：A kind of refrigerator, including temperature-changing chamber, to described
Temperature-changing chamber provide cold refrigeration system, the cold that the refrigeration system is produced is delivered to air channel in temperature-changing chamber and blower fan with
And controller, the blower fan, refrigeration system be electrically connected with the controller, and the refrigerator also includes in the air channel
Heating element heater, on the upside of the temperature-changing chamber be used to sense the first temperature sensor of the temperature on the upside of temperature-changing chamber, be located at
It is used to sense the second temperature sensor of the temperature on the downside of temperature-changing chamber, the heating element heater, the first temperature on the downside of the temperature-changing chamber
Degree sensor, second temperature sensor are electrically connected with the controller.
Used as further improved technical scheme of the present invention, the heating element heater is the defrost set near the evaporator
Heater strip.
For achieving the above object, the present invention also provides a kind of control method of the above-mentioned refrigerator of control, the controlling party
Method comprises the following steps：
S1：In the temperature-changing chamber when setting pattern as ice temperature pattern or refrigeration pattern, judging the samming of the temperature-changing chamber is
No to be less than the first preset temperature, if so, then the refrigeration system is shut down, the heating element heater, blower fan start and jump to step
S2；If it is not, then as it is described setting Schema control described in refrigeration system operation；
S2：Judge the temperature difference of the temperature that first temperature sensor is sensed with the second temperature sensor whether higher than first
Fiducial temperature, if so, then the heating element heater is shut down, the blower fan continuous service；If it is not, then operating procedure S3；
S3：Judge whether the samming in the temperature-changing chamber is not less than the second preset temperature, if so, then the heating element heater shut down,
Fan parking；If it is not, then the heating element heater, blower fan start and jump to step S2.
As further improved technical scheme of the present invention, the first temperature sensor and second temperature sensor in step S2
After the temperature difference of the temperature of sensing is higher than the first preset temperature and heating element heater shutdown, the control method also includes following step
Suddenly：
S4：Judge the temperature difference of the temperature that first temperature sensor is sensed with the second temperature sensor whether less than second
Fiducial temperature, if so, then jumping to step S3；If it is not, then the heating element heater remains shut off state, the blower fan is remained on
State.
Used as further improved technical scheme of the present invention, second preset temperature is the corresponding shutdown temperature of setting pattern
Spend or less than the temperature of predetermined temperature numerical value lower than the shutoff temperature.
As further improved technical scheme of the present invention, pattern as ice Wen Mo is set in the temperature-changing chamber in step S1
Formula or refrigeration pattern, and the samming of the temperature-changing chamber is when being not less than the first preset temperature, it is above-mentioned by the setting Schema control
Also comprise the following steps before the operation of the refrigeration system：
S11：Judge whether the first temperature sensor is higher than the first fiducial temperature with the temperature difference of second temperature sensor sensing, if
It is that then the blower fan starts, refrigeration system and heating element heater remain shut off state；If it is not, then the controller is set as described
Mould-fixed controls the operation of the refrigeration system.
Used as further improved technical scheme of the present invention, blower fan also comprises the following steps after starting in step S11：
S12：Judge the first temperature sensor with the temperature difference of the temperature of second temperature sensor sensing whether less than the second default temperature
Difference, if so, the then operation of controller refrigeration system as described in the setting Schema control；If it is not, then the blower fan continues
Operation.
As further improved technical scheme of the present invention, it is provided with what is be connected with the air channel on the upside of the temperature-changing chamber
Air inlet, is provided with the return air inlet being connected with the air channel on the downside of the temperature-changing chamber；Judging the temperature-changing chamber in step S1
Samming whether less than the first preset temperature while whether also need to judge the temperature of the first temperature sensor sensing less than institute
State the temperature of second temperature sensor sensing.
As further improved technical scheme of the present invention, in step S2 judge first temperature sensor with it is described
Also need to judge that the first temperature is passed while whether the temperature difference of the temperature of second temperature sensor sensing is higher than the first fiducial temperature
Sensor sensing temperature whether higher than the second temperature sensor sensing temperature.
Used as further improved technical scheme of the present invention, the samming is the temperature and the of the first temperature sensor sensing
The average value of the temperature of two temperature sensors sensing.
The beneficial effects of the invention are as follows：Temperature-changing chamber of the invention is being refrigeration pattern or ice Wen Mo from freezing patten transformation
During formula, on the one hand, the heating element heater and blower fan start, and provide heat to accelerate the alternating temperature to the temperature-changing chamber
It is the switching time of room, user-friendly；On the other hand, when first temperature sensor, second temperature sensor are sensed
When the temperature difference of temperature is higher than the first fiducial temperature, the controller controls the heating element heater to shut down, while the blower fan continues
Start so that temperature in the temperature-changing chamber is uniform, be conducive to the fresh-keeping of food in the temperature-changing chamber, while being prevented from institute
State temperature-changing chamber and the phenomenon of hot-spot occur.
Brief description of the drawings
Fig. 1 is the flow chart of the control method of the refrigerator in the present invention.
Specific embodiment
Below with reference to each implementation method shown in the drawings, the present invention will be described in detail, refer to shown in Fig. 1, is this
The better embodiment of invention.
The present invention provides a kind of refrigerator, including temperature-changing chamber, the refrigeration system of cold is provided to the temperature-changing chamber, by the system
Cooling system produce cold be delivered to the air channel in temperature-changing chamber and blower fan, the heating element heater in the air channel, located at described
It is used to sense the first temperature sensor of the temperature in temperature-changing chamber on the upside of temperature-changing chamber, is used on the downside of the temperature-changing chamber to feel
The second temperature sensor and controller of the temperature surveyed in temperature-changing chamber.
The blower fan, refrigeration system, heating element heater, the first temperature sensor, second temperature sensor with the control
Device is electrically connected with.
By setting positioned at the first temperature sensor of various location in the temperature-changing chamber and the second temperature in the present invention
Degree sensor, on the one hand, the controller is by comparing the temperature that the first temperature sensor and second temperature sensor are sensed
Degree can interpolate that out whether temperature in the temperature-changing chamber is uniform, prevent the temperature-changing chamber from showing for hot-spot or supercooling occur
As；On the other hand, the controller is drawn described by the temperature computation that the first temperature sensor, second temperature sensor are sensed
The samming of temperature-changing chamber, the samming refers to what the temperature of the first temperature sensor sensing and the second temperature sensor were sensed
The average value of temperature, the start and stop of refrigeration system, heating element heater, blower fan are controlled by the samming of temperature-changing chamber, are controlled more accurate.
That is, when the operational mode of the temperature-changing chamber is frozen mode, the controller is according to equal in the temperature-changing chamber
Temperature controls the start and stop of the refrigeration system；After the temperature-changing chamber has switched to refrigeration pattern, the controller is according to
Samming in temperature-changing chamber controls the start and stop of the refrigeration system；After the temperature-changing chamber has switched to ice temperature pattern, the control
Device processed controls the start and stop of the refrigeration system according to the samming in the temperature-changing chamber.
In the temperature-changing chamber when setting pattern as refrigeration pattern or ice temperature pattern, the controller is according to the samming
It is no to be less than the first preset temperature to judge whether the operational mode of the temperature-changing chamber is frozen mode, if it is determined that going out the temperature-changing chamber
Be currently running frozen mode, then during the temperature-changing chamber is refrigeration pattern or ice temperature pattern from freezing patten transformation,
The controller judges whether the temperature-changing chamber has switched to refrigeration pattern or ice temperature pattern according to the samming, if so, then
Control the heating element heater, fan parking；If it is not, then control the heating element heater, blower fan to start being provided with to the temperature-changing chamber
Heat, so that accelerate the process of the switching of the temperature-changing chamber, it is user-friendly.
Because the temperature difference between ice temperature pattern and refrigeration pattern is smaller, the temperature-changing chamber by way of heating up from ice temperature naturally
Pattern switching is that the time required for refrigeration pattern is shorter, therefore, the temperature-changing chamber from ice temperature pattern switching be refrigeration pattern when
Heating element heater need not be started and provide heat to the temperature-changing chamber.
Further, the air inlet being connected with the air channel is provided with the upside of the temperature-changing chamber, under the temperature-changing chamber
Side is provided with the return air inlet being connected with the air channel.
When the temperature-changing chamber is frozen mode, the cold wind temperature entered in the temperature-changing chamber from the air inlet is relatively low,
And with the temperature-changing chamber in food heat exchange after the temperature of cold wind that enters in the air channel from the return air inlet it is higher, and first
With air inlet located at the upside of the temperature-changing chamber, return air inlet is located at the alternating temperature to temperature sensor with second temperature sensor
The downside of room, causes when the operational mode of the temperature-changing chamber is frozen mode, and the temperature of the first temperature sensor sensing is less than
The temperature of second temperature sensor sensing.Therefore in the temperature-changing chamber when setting pattern as refrigeration pattern or ice temperature pattern, it is described
Whether whether the temperature sensed less than the first preset temperature and the first temperature sensor is less than the according to the samming for controller
The temperature of two temperature sensors sensing judges whether the operational mode of the temperature-changing chamber is frozen mode simultaneously, i.e., when described equal
Temperature is less than temperature of the temperature less than second temperature sensor sensing that the first preset temperature and first temperature sensor are sensed
When, the operational mode for representing the temperature-changing chamber is frozen mode.
During the heating element heater, blower fan start and provide heat to the temperature-changing chamber, enter from the air inlet
Hot blast temperature in the temperature-changing chamber is higher, and with the temperature-changing chamber in food heat exchange after from the return air inlet enter the wind
The temperature of the hot blast in road is relatively low, and the first temperature sensor and air inlet are located at the upside of the temperature-changing chamber, return air inlet with
Second temperature sensor located at the downside of the temperature-changing chamber, causes during heating element heats, the first TEMP
The temperature of the temperature higher than second temperature sensor sensing of device sensing, therefore provide heat to temperature-changing chamber the heating element heater is started
During, the temperature difference of the temperature that the controller is sensed according to first temperature sensor with the second temperature sensor
Whether whether the temperature sensed higher than the first fiducial temperature and the first temperature sensor is higher than the second temperature sensor sense
The temperature of survey judges whether the temperature of the temperature-changing chamber is uniform simultaneously, i.e., when first temperature sensor and the described second temperature
The temperature that the temperature difference of the temperature of degree sensor sensing is sensed higher than the first fiducial temperature and the first temperature sensor is higher than described the
During the temperature of two temperature sensors sensing, represent that the alternating temperature indoor temperature is irregular, it is necessary to stop the heating element heater, while protecting
The blower fan is held to continue to run with so that the temperature in the temperature-changing chamber is than more uniform.
In present embodiment, the heating element heater is the defrost heater strip set near the evaporator, without
The cost for being used to that refrigerator is reduced to the heating element heater of alternating temperature greenhouse heating is set up in addition.
The present invention also provides a kind of control method of the above-mentioned refrigerator of control, and the temperature-changing chamber has frozen mode, ice Wen Mo
Formula and refrigeration pattern, the control method comprise the following steps：
S1：In the temperature-changing chamber when setting pattern as refrigeration pattern or ice temperature pattern, judging the samming of the temperature-changing chamber is
No to be less than the first preset temperature, if so, then the refrigeration system is shut down, the heating element heater, blower fan start and jump to step
S2；If it is not, then as it is described setting Schema control described in refrigeration system operation；
Whether the samming that the temperature-changing chamber is judged in step S1 is the fortune for judging the refrigerator less than the purpose of the first preset temperature
Whether row mode is frozen mode, i.e., it is the setting pattern that whether temperature-changing chamber is needed from freezing pattern switching.
When the samming of the temperature-changing chamber is less than first preset temperature, the operational mode for representing the temperature-changing chamber is cold
Jelly pattern, then the refrigeration system shutdown, the heating element heater, blower fan start gives temperature-changing chamber offer heat, to accelerate
State the switching time of temperature-changing chamber.
When the samming of the temperature-changing chamber is higher than first preset temperature, represent that the operational mode of the refrigerator is not cold
Jelly pattern, the then operation of controller refrigeration system as described in setting Schema control.
Further, the air inlet being connected with the air channel is provided with the upside of the temperature-changing chamber, under the temperature-changing chamber
Side is provided with the return air inlet being connected with the air channel；Whether preset less than first in the samming for judging the temperature-changing chamber in step S1
Whether also need to judge the temperature of the first temperature sensor sensing while temperature less than second temperature sensor sensing
Temperature；I.e. when the samming is passed less than the temperature that the first preset temperature and first temperature sensor are sensed less than second temperature
During the temperature of sensor sensing, the operational mode for representing the temperature-changing chamber is frozen mode.
In above-mentioned steps S1 pattern as refrigeration pattern or ice temperature pattern is set in the refrigerator, and the temperature-changing chamber is equal
When temperature is not less than the first preset temperature, also comprise the following steps before the operation of the above-mentioned refrigeration system as described in setting Schema control：
S11：Judge whether the first temperature sensor is higher than the first fiducial temperature with the temperature difference of second temperature sensor sensing, if
It is that then the blower fan starts, refrigeration system and heating element heater remain shut off state；If it is not, then the controller is by setting mould
Formula controls the operation of the refrigeration system.
When the temperature difference of the first temperature sensor and second temperature sensor sensing is higher than the first fiducial temperature, alternating temperature is represented
Indoor non-uniform temperature, now, if heating element heater starts the phenomenon for being easily caused hot-spot, and refrigeration system startup is easily caused
The phenomenon of local overcooling, therefore, control the refrigeration system and heating element heater to remain shut off state, at the same the blower fan start with
Make the temperature in the temperature-changing chamber uniform.
When the temperature difference of the first temperature sensor and the temperature of second temperature sensor sensing is not higher than the first fiducial temperature, then
The temperature in temperature-changing chamber is represented than more uniform, controller is directly by the operation for setting refrigeration system described in Schema control.
Blower fan also comprises the following steps after starting in step S11：
S12：Judge the first temperature sensor with the temperature difference of the temperature of second temperature sensor sensing whether less than the second default temperature
Difference, if so, the then operation of controller refrigeration system as described in setting Schema control；If it is not, then the blower fan is continued to run with.
The temperature difference of the temperature sensed with the second temperature sensor when first temperature sensor is preset less than second
During the temperature difference, temperature in the temperature-changing chamber is represented than more uniform, then the controller is by setting refrigeration system described in Schema control
Operation.
When first temperature sensor and the temperature difference of the temperature that the second temperature sensor is sensed, to be not less than second pre-
If during the temperature difference, representing that the temperature in temperature-changing chamber is still uneven, then the blower fan remains on state, so that the temperature in temperature-changing chamber
Degree prevents the phenomenon for occurring hot-spot or supercooling in temperature-changing chamber than more uniform.
In present embodiment, above-mentioned first preset temperature is -5 DEG C；First fiducial temperature is 3 DEG C；Second fiducial temperature is 1
℃。
S2：Judge the temperature that first temperature sensor is sensed with the second temperature sensor the temperature difference whether be higher than
First fiducial temperature, if so, then the heating element heater is shut down, the blower fan continuous service；If it is not, then operating procedure S3.
When the temperature of first temperature sensor sensing is high with the temperature difference of the temperature that the second temperature sensor is sensed
When first fiducial temperature, the non-uniform temperature in temperature-changing chamber is represented, if the heating element heater remains on state, Yi Zao
The phenomenon of hot-spot in into temperature-changing chamber, influences fresh-keeping effect, therefore, control the heating element heater to shut down, while the blower fan is held
Reforwarding row, so that the temperature in temperature-changing chamber prevents occurring the phenomenon of hot-spot in temperature-changing chamber than more uniform.
Further, the air inlet being connected with the air channel is provided with the upside of the temperature-changing chamber, under the temperature-changing chamber
Side is provided with the return air inlet being connected with the air channel；Judging first temperature sensor and the second temperature in step S2
Also need to judge the first temperature sensor sensing while whether the temperature difference of the temperature of sensor sensing is higher than the first fiducial temperature
Temperature whether higher than the second temperature sensor sensing temperature；I.e. when first temperature sensor and the described second temperature
The temperature that the temperature difference of the temperature of degree sensor sensing is sensed higher than the first fiducial temperature and the first temperature sensor is higher than described the
During the temperature of two temperature sensors sensing, represent that the alternating temperature indoor temperature is irregular, it is necessary to stop the heating element heater, while protecting
The blower fan is held to continue to run with so that the temperature in the temperature-changing chamber is than more uniform.
S3：Judge whether the samming in the temperature-changing chamber is not less than the second preset temperature, if so, then the heating element heater stops
Machine, fan parking；If it is not, then the heating element heater, blower fan start and jump to step S2.
If the samming in the temperature-changing chamber is not less than the second preset temperature, then it represents that the temperature-changing chamber is from frozen mode
Setting pattern is switched to, therefore, the heating element heater, blower fan are shut down, and the controller freezes as described in setting Schema control and is
The operation of system, so that the temperature-changing chamber is in setting pattern, it is user-friendly.
If the samming in the temperature-changing chamber is less than the second preset temperature, then it represents that the temperature-changing chamber does not switch to setting mould yet
Formula, it is necessary to continue to the alternating temperature greenhouse heating, therefore, the heating element heater, blower fan start, and jump to step S2, to ensure
Temperature in temperature-changing chamber prevents the phenomenon of hot-spot than more uniform.
Above-mentioned second preset temperature is for the corresponding shutoff temperature of setting pattern or less than pre- constant temperature lower than the shutoff temperature
The temperature of number of degrees value.I.e. when it is described set pattern as refrigeration pattern when, second preset temperature refer to refrigeration shutoff temperature or
Than the temperature for refrigerating the low predetermined temperature numerical value of shutoff temperature；When it is described set pattern as ice temperature pattern when, the described second default temperature
Degree refers to the temperature of ice temperature shutoff temperature or predetermined temperature numerical value lower than ice temperature shutoff temperature.
In present embodiment, the predetermined temperature numerical value is 3.
Further, in step S2 the temperature difference of the temperature of the first temperature sensor and second temperature sensor sensing higher than the
After one preset temperature and heating element heater shutdown, the control method also comprises the following steps：
S4：Judge the temperature difference of the temperature that first temperature sensor is sensed with the second temperature sensor whether less than second
Fiducial temperature, if so, then jumping to step S3；If it is not, then the heating element heater remains shut off state, the blower fan is remained on
State.
The temperature difference of the temperature sensed with the second temperature sensor when first temperature sensor is preset less than second
During the temperature difference, represent that the temperature in the temperature-changing chamber than more uniform, then jumps to step S3, i.e., according to the samming in temperature-changing chamber and
Second preset temperature judges whether temperature-changing chamber has switched to setting pattern, so as in the temperature-changing chamber have switched to setting pattern
When, control the heating element heater, fan parking.
When first temperature sensor and the temperature difference of the temperature that the second temperature sensor is sensed, to be not less than second pre-
If during the temperature difference, representing that the temperature in temperature-changing chamber is still uneven, if starting the heating element heater, local mistake in temperature-changing chamber is easily caused
The phenomenon of heat, influences fresh-keeping effect, therefore, the heating element heater remains shut off state, while the blower fan remains on state, with
Make the temperature in temperature-changing chamber than more uniform, prevent occurring the phenomenon of hot-spot in temperature-changing chamber.
When the temperature-changing chamber is when setting pattern as refrigeration pattern, the above-mentioned refrigeration system as described in the setting Schema control
Operation i.e. refer to as refrigerate Schema control described in refrigeration system operation；Pattern as ice temperature pattern is set when the temperature-changing chamber
When, the operation of the above-mentioned refrigeration system as described in the setting Schema control refers to the fortune of the refrigeration system as described in ice temperature Schema control
OK.
In sum, temperature-changing chamber of the invention is the process of refrigeration pattern or ice temperature pattern in freezing patten transformation certainly
In, on the one hand, the heating element heater and blower fan start, and provide heat to accelerate the switching of the temperature-changing chamber to the temperature-changing chamber
It is time, user-friendly；On the other hand, the temperature of the temperature for being sensed when first temperature sensor, second temperature sensor
When difference is higher than the first fiducial temperature, the controller controls the heating element heater to shut down, at the same the blower fan persistently start so that
Temperature in the temperature-changing chamber is uniform, is conducive to the fresh-keeping of food in the temperature-changing chamber, while being prevented from the temperature-changing chamber
There is the phenomenon of hot-spot.
It should be understood that, although the present specification is described in terms of embodiments, but not each implementation method only includes one
Individual independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art will should say
Used as an entirety, technical scheme in each implementation method can also be through appropriately combined, and forming those skilled in the art can for bright book
With the other embodiment for understanding.
Those listed above is a series of to be described in detail only for feasibility implementation method of the invention specifically
Bright, they simultaneously are not used to limit the scope of the invention, all equivalent implementations made without departing from skill spirit of the present invention
Or change should be included within the scope of the present invention.
Claims (10)
1. a kind of refrigerator, including temperature-changing chamber, to the temperature-changing chamber provide cold refrigeration system, by the refrigeration system produce
Cold is delivered to air channel and blower fan and controller in temperature-changing chamber, and the blower fan, refrigeration system are electrical with the controller
Connection, it is characterised in that：The refrigerator also includes the heating element heater in the air channel, the upside use located at the temperature-changing chamber
To sense the first temperature sensor of the temperature on the upside of temperature-changing chamber, be used on the downside of the temperature-changing chamber to sense temperature-changing chamber downside
Temperature second temperature sensor, the heating element heater, the first temperature sensor, second temperature sensor with the control
Device is electrically connected with.
2. refrigerator as claimed in claim 1, it is characterised in that：The heating element heater is the defrost set near the evaporator
Heater strip.
3. a kind of control method for controlling refrigerator as claimed in claim 1, it is characterised in that：The control method includes as follows
Step：
S1：In the temperature-changing chamber when setting pattern as ice temperature pattern or refrigeration pattern, judging the samming of the temperature-changing chamber is
No to be less than the first preset temperature, if so, then the refrigeration system is shut down, the heating element heater, blower fan start and jump to step
S2；If it is not, then as it is described setting Schema control described in refrigeration system operation；
S2：Judge the temperature difference of the temperature that first temperature sensor is sensed with the second temperature sensor whether higher than first
Fiducial temperature, if so, then the heating element heater is shut down, the blower fan continuous service；If it is not, then operating procedure S3；
S3：Judge whether the samming in the temperature-changing chamber is not less than the second preset temperature, if so, then the heating element heater shut down,
Fan parking；If it is not, then the heating element heater, blower fan start and jump to step S2.
4. control method as claimed in claim 3, it is characterised in that：The first temperature sensor is passed with second temperature in step S2
After the temperature difference of the temperature of sensor sensing is higher than the first preset temperature and heating element heater shutdown, the control method is also included such as
Lower step：
S4：Judge the temperature difference of the temperature that first temperature sensor is sensed with the second temperature sensor whether less than second
Fiducial temperature, if so, then jumping to step S3；If it is not, then the heating element heater remains shut off state, the blower fan is remained on
State.
5. control method as claimed in claim 3, it is characterised in that：Second preset temperature is the corresponding pass of setting pattern
Machine temperature or the temperature less than predetermined temperature numerical value lower than the shutoff temperature.
6. control method as claimed in claim 3, it is characterised in that：In step S1 pattern as ice is set in the temperature-changing chamber
Warm pattern or refrigeration pattern, and the samming of the temperature-changing chamber is when being not less than the first preset temperature, it is above-mentioned by the setting pattern
Also comprise the following steps before the operation for controlling the refrigeration system：
S11：Judge whether the first temperature sensor is higher than the first fiducial temperature with the temperature difference of second temperature sensor sensing, if
It is that then the blower fan starts, refrigeration system and heating element heater remain shut off state；If it is not, then the controller is set as described
Mould-fixed controls the operation of the refrigeration system.
7. control method as claimed in claim 6, it is characterised in that：Blower fan also comprises the following steps after starting in step S11：
S12：Judge the first temperature sensor with the temperature difference of the temperature of second temperature sensor sensing whether less than the second default temperature
Difference, if so, the then operation of controller refrigeration system as described in the setting Schema control；If it is not, then the blower fan continues
Operation.
8. control method as claimed in claim 3, it is characterised in that：It is provided with the upside of the temperature-changing chamber and is connected with the air channel
Logical air inlet, is provided with the return air inlet being connected with the air channel on the downside of the temperature-changing chamber；Judging the change in step S1
Also need to judge whether the temperature of the first temperature sensor sensing is low while whether the samming in greenhouse is less than the first preset temperature
In the temperature of second temperature sensor sensing.
9. control method as claimed in claim 8, it is characterised in that：In step S2 judge first temperature sensor with
Also need to judge the first temperature while whether the temperature difference of the temperature of the second temperature sensor sensing is higher than the first fiducial temperature
Degree sensor sensing temperature whether higher than the second temperature sensor sensing temperature.
10. control method as claimed in claim 3, it is characterised in that：The samming is the temperature of the first temperature sensor sensing
The average value of the temperature that degree is sensed with second temperature sensor.
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| CN107763960A (en) * | 2017-10-30 | 2018-03-06 | 合肥华凌股份有限公司 | Control method, control device, refrigeration plant and the storage medium of refrigeration mode |
| WO2019205512A1 (en) * | 2018-04-26 | 2019-10-31 | 合肥华凌股份有限公司 | Temperature control method and apparatus of dual-temperature refrigeration electrical appliance |
| CN110849067A (en) * | 2019-09-16 | 2020-02-28 | 长虹美菱股份有限公司 | Control method of refrigerator with ice temperature fresh-keeping function |
| CN110986476A (en) * | 2019-12-05 | 2020-04-10 | 合肥华凌股份有限公司 | Temperature control method and device, refrigeration equipment and computer readable storage medium |
| CN111493593A (en) * | 2020-04-27 | 2020-08-07 | 海信容声(广东)冷柜有限公司 | Refrigerated display cabinet and control method thereof |
| CN111609662A (en) * | 2020-04-30 | 2020-09-01 | 珠海格力电器股份有限公司 | Refrigerator control method and device, storage medium and refrigerator |
| CN113915891A (en) * | 2021-05-08 | 2022-01-11 | 海信（山东）冰箱有限公司 | Refrigerator and temperature control method thereof |
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Address after: 266101 No. 1 Haier Road, Laoshan District, Shandong, Qingdao Patentee after: Haier Zhijia Co.,Ltd. Address before: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee before: Qingdao Haier Joint Stock Co.,Ltd. |
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Effective date of registration: 20200927 Address after: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee after: QINGDAO HAIER REFRIGERATOR Co.,Ltd. Patentee after: Haier Zhijia Co.,Ltd. Address before: 266101 No. 1 Haier Road, Laoshan District, Shandong, Qingdao Patentee before: Haier Zhijia Co.,Ltd. |