WO2018059522A1

WO2018059522A1 - Refrigerator and method for controlling refrigerator

Info

Publication number: WO2018059522A1
Application number: PCT/CN2017/104156
Authority: WO
Inventors: 李天平; 黄海华; 付东晓; 邹磊; 宁帅
Original assignee: 青岛海尔股份有限公司
Priority date: 2016-09-30
Filing date: 2017-09-29
Publication date: 2018-04-05
Also published as: CN106247753A; CN106247753B

Abstract

Disclosed are a refrigerator and a method for controlling the refrigerator. The refrigerator comprises a first refrigerating compartment and a second refrigerating compartment, the second refrigerating compartment being able to be switched between a freezing mode and a refrigerating mode, and after starting conversion of the freezing mode to the refrigerating mode, a controller, according to the temperature of the second refrigerating compartment, controlling a compressor to start or stop, and at the same time a fan continuing to operate.

Description

Refrigerator and control method of the same

The present application claims the priority of the Chinese patent application entitled "A refrigerator and the control method of the refrigerator" on the application date of September 30, 2016, the application number is 201610874110.X, the entire contents of which are incorporated by reference. In this application.

Technical field

The present invention relates to the field of refrigeration devices, and more particularly to a refrigerator capable of rapidly switching a temperature in a refrigerating compartment between a freezing mode and a refrigerating mode, and a control method of the refrigerator.

Background technique

At present, in a refrigerator having two refrigerating compartments on the market, one of the refrigerating compartments is generally a freezing compartment, and the other refrigerating compartment is a refrigerating compartment, and for some users, the refrigerating compartment is used less and refrigerated. The use of the room is large, so the freezer is generally vacant, resulting in waste of energy.

The Chinese Patent No. CN105865128A discloses a refrigerator air supply system, a method and a refrigerator, the air supply system comprising a wind guide cavity, a freezing fan installed in the air guiding cavity body, a refrigerating fan, and the freezing fan and a freezing duct of the freezing compartment, a refrigerating duct that communicates with the refrigerating compartment, and a windshield that is disposed on the refrigerating fan, and the air duct is provided with the freezing duct and the refrigerating duct a first air outlet passage that is connected to each other, to turn off the freezing fan when the freezing chamber is turned into a refrigerating chamber, to activate the refrigerating fan, and to convert the freezing chamber into a refrigerating chamber to satisfy a user Demand. However, the temperature of the freezer compartment rises slowly, resulting in a long switching time, which affects the user experience; and the structure is complicated and the cost is high.

In view of this, it is necessary to provide a new refrigerator and a control method of the refrigerator to solve the above problems.

Summary of the invention

An object of the present invention is to provide a refrigerator capable of quickly switching a temperature in a refrigerating compartment between a freezing mode and a refrigerating mode, and a method of controlling the same.

In order to achieve the above object, the present invention adopts the following technical solution: a refrigerator including a first refrigerating compartment, a first temperature sensor for sensing a temperature of the first refrigerating compartment, a second refrigerating compartment, and a second temperature sensor that senses a temperature of the second refrigerating compartment, a refrigeration system that supplies cooling to the first refrigerating compartment and the second refrigerating compartment, and a controller, the refrigerating system including An evaporator provided in the second refrigerating compartment, a compressor connected to the evaporator, and a duct and a fan for conveying the cold amount generated by the evaporator to the first refrigerating compartment and the second refrigerating compartment, The first temperature sensor, the second temperature sensor, the compressor, and the fan are all electrically connected to the controller, the second refrigerating compartment has a freezing mode and a refrigerating mode, and the refrigerator is configured to start the freezing After the mode is turned to the cold mode, The controller controls the compressor to start and stop according to the temperature sensed by the second temperature sensor while the fan continues to operate.

As a further improved technical solution of the present invention, the refrigerator further includes a liner forming the second refrigerating compartment and a first heating element disposed on the inner wall of the inner casing away from the first refrigerating compartment The first heating element is electrically connected to the controller and used to heat the second refrigerating compartment.

As a further improvement of the technical solution of the present invention, the refrigerator further includes a switch disposed in the second refrigerating compartment for switching the second refrigerating compartment between a freezing mode and a refrigerating mode, and the switching a second heating element disposed on the switch, the second heating element is configured to remove icing on the switch; the switch and the second heating element are electrically connected to the controller.

As a further improvement of the technical solution of the present invention, the refrigerator further includes a duct cover disposed on a rear side of the second refrigerating compartment, wherein the switch and the second heating element are disposed on the air duct On the cover.

In order to achieve the above object, the present invention also provides a control method for controlling the above-described refrigerator, the control method comprising a method of switching the second refrigerating compartment from a freezing mode to a refrigerating mode, the refrigerating-refrigerating switching method The refrigerating switching method includes the following steps: after the freezing mode to the refrigerating mode is started, the controller controls the compressor to start and stop according to the temperature sensed by the second temperature sensor while the fan continues to operate.

As a further improvement of the technical solution of the present invention, the air duct includes a first air passage communicating with the first refrigerating compartment and a second air duct communicating with the second refrigerating compartment, the refrigerator further a damper disposed in the first air passage for adjusting an air intake amount of the first refrigerating compartment, the refrigerating and refrigerating switching method further comprising the following steps: after the freezing mode is turned into a refrigerating mode, the damper is fully opened .

As a further improvement of the technical solution of the present invention, the air duct includes a first air passage communicating with the first refrigerating compartment and a second air duct communicating with the second refrigerating compartment, the refrigerator further An air outlet provided in the second refrigerating compartment and communicating with the second air duct, and a baffle matched with the air outlet to adjust a size of the air outlet, the freezing and refrigerating switching method The method further includes the following steps: after the freezing mode is turned to the refrigerating mode, the baffle shields part of the air outlet to reduce the size of the air outlet.

As a further improvement of the technical solution of the present invention, the refrigerator further includes a first heating element disposed in the second refrigerating compartment, the first heating element being electrically connected to the controller, and the refrigerating-refrigerating switching The method further includes the steps of: after the freezing mode is turned to the refrigerating mode, the first heating element starts heating the second refrigerating compartment to raise the temperature of the second refrigerating compartment to a refrigerating temperature zone corresponding to the refrigerating mode After the temperature of the second refrigerating compartment rises to the refrigerating temperature zone, the fan is stopped while the first heating element is turned off.

As a further improvement of the technical solution of the present invention, the freezing and refrigerating switching method further includes the following steps: After the temperature of the cooling compartment rises to the refrigerating temperature zone, it is sensed whether the temperature of the second refrigerating compartment reaches the starting temperature, and if so, the compressor and the fan are activated; if not, the first is sensed Whether the temperature of the refrigerating compartment reaches the starting temperature, and if so, the first heating element is activated to heat the second refrigerating compartment, and after the temperature of the second refrigerating compartment reaches the startup temperature, the first The heating element is turned off while the compressor and fan are activated.

As a further improvement of the present invention, the refrigerator further includes a switch disposed in the second refrigerating compartment for switching the second refrigerating compartment between a freezing mode and a refrigerating mode, and a second heating element disposed in the second refrigerating compartment and adjacent to the switching switch, wherein the switching switch and the second heating element are electrically connected to the controller, and the refrigerating and refrigerating switching method further comprises the following steps: The second heating element is activated to remove icing on the diverter switch prior to activation of the freeze mode to refrigerated mode.

As a further improvement of the present invention, the control method further includes a method of switching the second refrigerating compartment from a refrigerating mode to a refrigerating mode, wherein the temperature of the first refrigerating compartment is set to be refrigerated The temperature band, the refrigerating-to-frozen switching method includes the following steps: after the refrigerating mode is turned on, the controller controls the start and stop of the compressor and the fan according to the temperature sensed by the first temperature sensor.

As a further improvement of the technical solution of the present invention, the air duct includes a first air passage communicating with the first refrigerating compartment and a second air duct communicating with the second refrigerating compartment, the refrigerator further a damper disposed in the first air passage for adjusting an air intake amount of the first refrigerating compartment, the refrigerating-rotating freezing switching method further comprising the following steps: after the refrigerating mode is turned to a freezing mode, the damper is partially closed .

As a further improvement of the technical solution of the present invention, the air duct includes a first air passage communicating with the first refrigerating compartment and a second air duct communicating with the second refrigerating compartment, the refrigerator further An air outlet that is disposed in the second refrigerating compartment and that communicates with the second air duct, and a baffle that cooperates with the air outlet to adjust a size of the air outlet, the refrigerating and freezing switching method The method further includes the step of moving the baffle to cause the vent to be completely exposed after the refrigerating mode is turned to the freezing mode.

As a further improvement of the technical solution of the present invention, the refrigerating-to-frozen switching method further includes the following steps: after the restarting of the refrigerating mode to the freezing mode, the starting temperature of the first refrigerating compartment is lowered during the N compressor start-stop periods .

The beneficial effects of the present invention are: when the temperature of the second refrigerating compartment in the refrigerator in the present invention is switched from the freezing mode to the refrigerating mode, on the one hand, the controller controls the temperature according to the temperature of the second refrigerating compartment The start and stop of the compressor. At this time, since the current temperature of the second refrigerating compartment is lower than the temperature of the refrigerating temperature zone corresponding to the refrigerating mode, the compressor is in a stop state, and the evaporator cannot generate a new cooling capacity. Cooling the second refrigerating compartment to facilitate temperature rise of the second refrigerating compartment; on the other hand, the fan maintains an operating state to deliver the remaining cold portion of the evaporator to the first refrigeration a compartment, thereby reducing the amount of cooling delivered to the second refrigerating compartment, and accelerating the temperature of the second refrigerating compartment The rise in degrees.

DRAWINGS

Fig. 1 is a flow chart showing a method of switching from cold to cold in the first embodiment of the present invention.

Fig. 2 is a flow chart showing a method of switching from freezing to cold in the second embodiment of the present invention.

detailed description

The present invention will be described in detail below with reference to the embodiments shown in the accompanying drawings. FIG. 1 to FIG. 2 are preferred embodiments of the present invention.

The invention provides a refrigerator and a control method of the refrigerator, which can quickly switch the second refrigerating compartment between the freezing mode and the refrigerating mode to meet the needs of the user, improve the switching efficiency, and reduce the waiting time of the user.

The refrigerator includes a first refrigerating compartment, a first temperature sensor and a second refrigerating compartment disposed in the first refrigerating compartment for sensing a real-time temperature in the first refrigerating compartment, and is disposed in the first a second temperature sensor for sensing a real-time temperature in the second refrigerating compartment, a first heating element for heating the second refrigerating compartment, and the first refrigerating compartment and The second refrigerating compartment provides a cooling system and a controller for the cooling capacity.

The refrigeration system includes an evaporator disposed adjacent to the second refrigerating compartment, a compressor coupled to the evaporator, a cooling amount generated by the evaporator to the first refrigerating compartment, and a second refrigerating Indoor air ducts and fans.

The air duct includes a first air passage communicating with the first refrigerating compartment and a second air duct communicating with the second refrigerating compartment, the fan respectively generating a cooling amount of the evaporator The first air passage and the second air passage are respectively sent to the first refrigerating compartment and the second refrigerating compartment to reduce the temperature of the first refrigerating compartment and the second refrigerating compartment.

The first temperature sensor, the second temperature sensor, the first heating element, the compressor, and the fan are electrically connected to the controller, and the controller is configured according to the first refrigerating compartment sensed by the first temperature sensor. The temperature or the temperature of the second refrigerating compartment sensed by the second temperature sensor controls the start and stop of the compressor.

The temperature of the first refrigerating compartment is set in a refrigerating temperature zone, and the second refrigerating compartment has a freezing mode and a refrigerating mode. The freezing mode, that is, the temperature of the second refrigerating compartment is set in the freezing temperature zone, and the refrigerating mode, that is, the temperature of the second refrigerating compartment is set in the refrigerating temperature zone.

Meanwhile, when the first refrigerating compartment is in a refrigerating temperature zone, and the temperature in the second refrigerating compartment is set in the freezing temperature zone or the second refrigerating compartment is switched from the refrigerating mode to the freezing mode, the control The device controls the start and stop of the compressor according to the temperature sensed by the first temperature sensor.

The controller controls the start and stop of the compressor according to the temperature sensed by the second temperature sensor when the user switches the second refrigerating compartment from the freezing mode to the refrigerating mode through the transfer switch.

Further, the refrigerator further includes a second refrigerating compartment disposed in the second refrigerating compartment for freezing the mold And a switching switch that switches between the refrigerating mode and the second heating element disposed adjacent to the switching switch, the switching switch and the second heating element are electrically connected to the controller, and the controller switches according to the The signal from the switch initiates the freeze mode to the refrigerated mode or initiates the refrigerated mode to the refrigerated mode.

The second heating element is configured to heat the switch to remove icing on the switch before the freeze mode is restarted, so that the user can operate the switch.

Specifically, the refrigerator further includes a duct cover disposed on a rear side of the second refrigerating compartment, and the switch and the second heating element are disposed on the duct cover.

The refrigerator further includes a liner forming the second refrigerating compartment, the first heating element being disposed on an outer wall surface of the inner casing to after the first heating element is activated, the first heating The element heats the second refrigerating compartment to rapidly raise the temperature of the second refrigerating compartment to a refrigerating temperature zone corresponding to the refrigerating mode.

Specifically, the first heating element is disposed on a side of the inner casing away from the first refrigerating compartment and the first air duct to prevent the first heating element from being activated, the first The heat of the heating element is transmitted to the first refrigerating compartment, so that the temperature fluctuation in the first refrigerating compartment is excessively large, which affects the fresh-keeping effect in the first refrigerating compartment.

After the freezing mode to the refrigerating mode is started, the second refrigerating compartment is switched from the freezing mode to the refrigerating mode. At this time, since the current temperature of the second refrigerating compartment is lower than the temperature of the refrigerating temperature zone, the compressor is at In the shutdown state, the evaporator is unable to generate a new cooling amount to supply cooling to the second refrigerating compartment, which is advantageous for the temperature rise of the second refrigerating compartment.

After the freezing mode to the refrigerating mode is started, and after the compressor is stopped, the fan is kept in an operating state to deliver the remaining cold portion of the evaporator to the first refrigerating compartment, thereby reducing the delivery to the a cooling amount in the second refrigerating compartment accelerates an increase in temperature in the second refrigerating compartment; and the first heating element starts heating the second refrigerating compartment to accelerate the temperature of the second refrigerating compartment The rise, shorten the freezing and refrigerating time, and enhance the user experience.

In the first embodiment of the present invention, the refrigerator further includes a damper disposed in the first air passage for adjusting an air intake amount of the first refrigerating compartment, and the damper may be a manual damper or an electric damper. .

After the freezing mode to the refrigerating mode is started, the damper is fully opened, and the amount of air entering the first refrigerating compartment is increased to transport the majority of the residual refrigerant in the evaporator to the first refrigerating compartment by the fan. In the chamber, on the one hand, providing a cooling amount to the first refrigerating compartment to reduce the speed of the first refrigerating compartment temperature recovery; on the other hand, reducing the amount of cooling entering the second refrigerating compartment, thereby accelerating The rise of the temperature in the second refrigerating compartment shortens the time of freezing and refrigerating.

Of course, after the refrigerating mode is turned to the freezing mode, that is, when the temperature in the second refrigerating compartment is switched from the refrigerating mode to the freezing mode, the damper is in a partially closed state, thereby causing a large amount of cooling generated by the evaporator. A portion can enter the second refrigerating compartment to rapidly reduce the temperature of the second refrigerating compartment.

In a second embodiment of the present invention, the refrigerator further includes a second air duct disposed in the second refrigerating compartment and the second duct a communicating air outlet and a baffle matched with the air outlet to adjust the size of the air outlet, after the freezing mode is turned into the refrigerating mode, the baffle is moved to block the baffle portion of the air outlet In order to reduce the size of the air outlet, thereby reducing the amount of cold entering the second refrigerating compartment, increasing the temperature of the second refrigerating compartment, and shortening the time of freezing and refrigerating.

Of course, after the refrigerating mode is turned to the freezing mode, that is, when the temperature in the second refrigerating compartment is switched from the refrigerating mode to the freezing mode, the baffle is moved to completely expose the air outlet, thereby causing the evaporator to generate cold. Most of the amount enters the second refrigerating compartment to quickly lower the temperature in the second refrigerating compartment.

Other configurations of the present embodiment and the first embodiment are the same except for the above differences, and details are not described herein again.

After the freezing mode to the refrigerating mode is started, the fan continues to operate while the damper is fully opened or the air outlet is partially shielded to transport most of the residual refrigerant volume to the first refrigerating compartment, and the second heating element is coupled to the second The cooling compartment is heated, so that the temperature in the second refrigerating compartment can be quickly increased from the freezing temperature zone to the refrigerating temperature zone, the switching of the refrigerating and refrigerating is completed, the switching efficiency is improved, and the waiting time of the user is saved.

The control method includes a freezing-to-refrigerating switching method of switching the second cooling compartment from the freezing mode to the refrigerating mode, and a refrigerating-steaming switching method of switching the second refrigerating compartment from the refrigerating mode to the freezing mode.

Referring to FIG. 1 , in the first embodiment of the present invention, the method for switching from freezing to refrigerating includes the following steps:

S1: starting the freezing mode to the refrigerating mode;

The refrigerator includes a changeover switch disposed in the second refrigerating compartment for switching the second refrigerating compartment between a freezing mode and a refrigerating mode, and is disposed in the second refrigerating compartment and adjacent to the When the second heating element of the switch is set, the freezing and refrigerating switching method further comprises the steps of: before the step S1 is started before the freezing mode is turned into the refrigerating mode, the second heating element is activated to remove the switch Icing. After the icing on the switch is removed, the second heating element is turned off, and the user can activate the freeze mode to refrigerate mode by operating the switch.

S2: the controller controls start and stop of the compressor according to the temperature sensed by the second temperature sensor, the fan continues to operate, the damper is fully opened, and the controller controls the first heating element to start;

In step S2, the fan is operated and the damper is fully opened, and most of the residual cooling capacity of the evaporator is sent to the first refrigerating compartment, and the second refrigerating compartment is heated by the first heating element to make the temperature of the second refrigerating compartment. It can quickly rise to the refrigerating temperature zone corresponding to the refrigerating mode, complete the switching of the refrigerating and refrigerating, improve the switching efficiency, and save the user waiting time.

After the freezing mode to the refrigerating mode is started in the above step S2, since the current temperature of the second refrigerating compartment is lower than the refrigerating temperature zone, the controller controls the compressor to stop, and the evaporator cannot generate a new one. Cooling amount to the second The cooling compartment is cooled to facilitate temperature rise of the second refrigerating compartment.

S3: determining whether the temperature of the second refrigerating compartment rises to a refrigerating temperature zone corresponding to the refrigerating mode, and if so, the fan is stopped while the first heating element is turned off.

S4: after the temperature of the second refrigerating compartment rises to the refrigerating temperature zone, it is sensed whether the temperature of the second refrigerating compartment reaches a starting temperature, and if so, the compressor and the fan are started; if not, the sense Detecting whether the temperature of the first refrigerating compartment reaches a starting temperature, and if so, the first heating element is activated to heat the second refrigerating compartment, after the temperature of the second refrigerating compartment reaches a startup temperature The first heating element is turned off while the compressor and the fan are activated.

After the compressor is started in step S4, the cooling amount generated by the evaporator is respectively sent from the first air passage and the second air passage to the first refrigerating compartment and the second refrigerating compartment by the fan to reduce the number. The temperature in one of the refrigerating compartments and the second refrigerating compartments is such that the temperatures in the first refrigerating compartment and the second refrigerating compartment are in the refrigerating temperature zone, which is beneficial to food preservation.

Meanwhile, after the second refrigerating compartment is switched from the freezing mode to the refrigerating mode, the controller controls the start and stop of the compressor and the fan according to the temperature of the second refrigerating compartment, in the process, when When the temperature of the first refrigerating compartment suddenly rises to reach the starting temperature, the first heating element in the second refrigerating compartment is activated to quickly reach the temperature of the second refrigerating compartment to the startup temperature, so that the compressor and the fan are activated to the The first refrigerating compartment and the second refrigerating compartment are cooled, so that the temperatures in the first refrigerating compartment and the second refrigerating compartment are all in the refrigerating temperature zone, which is beneficial to food preservation.

The refrigerating-to-frozen switching method includes the following steps:

A1: Start the refrigerating mode to the freezing mode;

A2: The controller controls the start and stop of the compressor and the fan according to the temperature sensed by the first temperature sensor, and the damper is partially closed, and simultaneously reduces the startup of the first cooling compartment during the N compressor start-stop periods. temperature.

After the refrigerating mode is turned to the freezing mode in step A2, the damper portion is closed to transfer most of the cooling amount generated by the evaporator to the second refrigerating compartment, and the temperature of the second refrigerating compartment is lowered.

In step A2, the startup temperature of the first refrigerating compartment is lowered to shorten the compressor shutdown time, and the cooling capacity of the second refrigerating compartment is increased for a certain period of time, so that the temperature of the second refrigerating compartment can be rapidly decreased to The freezing temperature zone corresponding to the freezing mode.

In the present embodiment, the N is 3, and after the restarting of the refrigerating mode to the freezing mode, the starting temperature of the first refrigerating compartment is lowered during the three start-stop periods of the compressor operation.

Referring to FIG. 2, in the second embodiment of the present invention, the method for switching from freezing to refrigerating includes the following steps:

S1': start the freezing mode to the refrigerating mode;

When the refrigerator is included in the second refrigerating compartment for using the second refrigerating compartment in a freezing mode and cold The switching method of switching between the storage modes and the second heating element disposed in the second refrigerating compartment and adjacent to the switching switch further includes the following steps: the freezing mode is refrigerated Before the mode is started, that is, before step S1, the second heating element is activated to remove icing on the switch. After the icing on the switch is removed, the second heating element is turned off, and the user can activate the freeze mode to refrigerate mode by operating the switch.

S2': the controller controls the start and stop of the compressor according to the temperature of the second refrigerating compartment, the fan continues to operate, the baffle shields part of the air outlet, and the controller controls the a heating element is activated;

In step S2', the fan is operated and the baffle shields part of the air outlet so that most of the residual cooling capacity of the evaporator is delivered to the first refrigerating compartment, and the second refrigerating compartment is heated by the first heating element to make the second The temperature in the refrigerating compartment can be quickly increased to the refrigerating temperature zone corresponding to the refrigerating mode, and the switching of the refrigerating and refrigerating is completed, the switching efficiency is improved, and the waiting time of the user is saved.

After the freezing mode to the refrigerating mode is started in the above step S2', since the current temperature of the second refrigerating compartment is lower than the refrigerating temperature zone, the controller controls the compressor to stop, and the evaporator cannot generate new The cooling amount supplies cooling to the second refrigerating compartment, which is advantageous for the temperature rise of the second refrigerating compartment.

S3': determining whether the temperature of the second refrigerating compartment rises to a refrigerating temperature zone, and if so, the fan is stopped while the first heating element is turned off.

S4': after the temperature of the second refrigerating compartment rises to the refrigerating temperature zone, it is sensed whether the temperature of the second refrigerating compartment reaches the starting temperature, and if so, the compressor and the fan are started; if not, then Sensing whether the temperature of the first refrigerating compartment reaches a starting temperature, and if so, the first heating element is activated to heat the second refrigerating compartment, and the temperature of the second refrigerating compartment reaches a starting temperature Thereafter, the first heating element is turned off while the compressor and the fan are activated.

After the compressor is started in step S4', the cooling amount generated by the evaporator is respectively sent from the first air passage and the second air passage to the first refrigerating compartment and the second refrigerating compartment by the fan to reduce the The temperatures in the first refrigerating compartment and the second refrigerating compartment are such that the temperatures in the first refrigerating compartment and the second refrigerating compartment are in the refrigerating temperature zone, which is advantageous for food preservation.

The refrigerating-to-frozen switching method includes the following steps:

A1': start the freezing mode to the refrigerating mode;

A2': the controller controls the start and stop of the compressor and the fan according to the temperature of the first refrigerating compartment, the air outlet is completely exposed, and the first refrigerating compartment is lowered during the N compressor start-stop periods. Boot temperature.

In the step A2', the freezing mode to the refrigerating mode is started, and the air outlet is completely exposed to transport most of the cooling amount generated by the evaporator to the second refrigerating compartment, thereby accelerating the temperature drop in the second refrigerating compartment.

In step A2', the starting temperature of the first refrigerating compartment is lowered to shorten the compressor shutdown time, and the cooling capacity of the second refrigerating compartment is increased for a certain period of time, so that the temperature of the second refrigerating compartment can be rapidly decreased. To the freezing temperature zone.

In the present embodiment, the N is 3, and after the freezing mode is turned to the refrigerating mode, the starting temperature of the first refrigerating compartment is lowered during the three start-stop periods of the compressor operation.

In summary, when the temperature of the second refrigerating compartment in the refrigerator in the present invention is switched from the freezing mode to the refrigerating mode, on the one hand, the controller controls the opening of the compressor according to the temperature of the second refrigerating compartment. Stopping, at this time, since the current temperature of the second refrigerating compartment is lower than the temperature of the refrigerating temperature zone corresponding to the refrigerating mode, the compressor is in a stop state, and the evaporator cannot generate a new cooling amount to the second refrigerating The compartment is cooled to facilitate the temperature rise of the second refrigerating compartment; on the other hand, the fan is kept in operation to deliver the remaining cold portion of the evaporator to the first refrigerating compartment, thereby The amount of cooling sent to the second refrigerating compartment is reduced, and the temperature in the second refrigerating compartment is increased.

It should be understood that, although the description is described in terms of embodiments, the embodiments are not intended to be construed as a single. The technical solutions in the embodiments may also be combined as appropriate to form other embodiments that can be understood by those skilled in the art.

The series of detailed descriptions set forth above are merely illustrative of the possible embodiments of the present invention, and are not intended to limit the scope of the present invention. Changes are intended to be included within the scope of the invention.

Claims

A refrigerator includes a first refrigerating compartment, a first temperature sensor for sensing a temperature of the first refrigerating compartment, a second refrigerating compartment, and a temperature for sensing the temperature of the second refrigerating compartment a second temperature sensor, a refrigeration system that supplies cooling to the first refrigerating compartment and the second refrigerating compartment, and a controller, the refrigerating system including an evaporator disposed adjacent to the second refrigerating compartment, and the a compressor connected to the evaporator, a cooling channel for conveying the evaporator to the air passage and the fan in the first refrigerating compartment and the second refrigerating compartment, the first temperature sensor, the second temperature sensor, and the compression And the fan and the fan are electrically connected to the controller, wherein: the second refrigerating compartment has a freezing mode and a refrigerating mode, and the refrigerator is set to be after the freezing mode is turned into a refrigerating mode, the control The compressor controls the start and stop of the compressor according to the temperature sensed by the second temperature sensor while the fan continues to operate.
A refrigerator according to claim 1, wherein said refrigerator further comprises a liner forming said second refrigerating compartment and an outer wall surface of said inner casing spaced apart from said first refrigerating compartment a first heating element electrically coupled to the controller and configured to heat the second refrigerating compartment.
The refrigerator according to claim 1, wherein the refrigerator further comprises a changeover switch provided in the second refrigerating compartment for switching the second refrigerating compartment between a freezing mode and a refrigerating mode, and a second heating element disposed adjacent to the switch, the second heating element is configured to remove icing on the switch; the switch and the second heating element are electrically connected to the controller.
The refrigerator according to claim 3, wherein the refrigerator further comprises a duct cover disposed on a rear side of the second refrigerating compartment, wherein the switch and the second heating element are both disposed on On the air duct cover.
A control method for controlling the refrigerator according to claim 1, wherein the control method includes a method of switching the second refrigerating compartment from a freezing mode to a refrigerating mode, the refrigerating-refrigerating switching method The refrigerating switching method includes the following steps: after the freezing mode to the refrigerating mode is started, the controller controls the compressor to start and stop according to the temperature sensed by the second temperature sensor while the fan continues to operate.
The control method according to claim 5, wherein said air passage includes a first air passage communicating with said first refrigerating compartment and a second air passage communicating with said second refrigerating compartment The refrigerator further includes a damper disposed in the first air passage to adjust an air intake amount of the first refrigerating compartment, and the refrigerating-refrigerating switching method further includes the following steps: after the freezing mode is turned into a refrigerating mode, The damper is fully open.
The control method according to claim 5, wherein said air passage includes a first air passage communicating with said first refrigerating compartment and a second air passage communicating with said second refrigerating compartment The refrigerator further includes an air outlet disposed in the second refrigerating compartment and in communication with the second air duct, and cooperates with the air outlet to adjust the air outlet The sizing and refrigerating switching method further includes the following steps: after the freezing mode is turned into the refrigerating mode, the baffle shields part of the air outlet to reduce the size of the air outlet.
The control method according to claim 5, wherein the refrigerator further comprises a first heating element disposed in the second refrigerating compartment, the first heating element being electrically connected to the controller, The freezing-refrigerating switching method further includes the following steps: after the freezing mode to the refrigerating mode is started, the first heating element starts heating the second refrigerating compartment to raise the temperature of the second refrigerating compartment to the refrigerating mode The corresponding refrigerating temperature zone, after the temperature of the second refrigerating compartment rises to the refrigerating temperature zone, the fan is stopped while the first heating element is turned off.
The control method according to claim 8, wherein the freezing and refrigerating switching method further comprises the step of: sensing the second refrigerating compartment after the temperature of the second refrigerating compartment rises to a refrigerating temperature zone Whether the temperature of the chamber reaches the startup temperature, and if so, the compressor and the fan are activated; if not, sensing whether the temperature of the first refrigerating compartment reaches the startup temperature, and if so, the first heating element is activated The second refrigerating compartment is heated, and after the temperature of the second refrigerating compartment reaches the startup temperature, the first heating element is turned off while the compressor and the fan are activated.
The control method according to claim 5, wherein the refrigerator further comprises a switch provided in the second refrigerating compartment for switching the second refrigerating compartment between a freezing mode and a refrigerating mode. And a second heating element disposed in the second refrigerating compartment and adjacent to the switching switch, wherein the switching switch and the second heating element are electrically connected to the controller, and the refrigerating and refrigerating switching method further The method includes the following steps: before the freezing mode to the refrigerating mode is started, the second heating element is activated to remove icing on the switch.
The control method according to claim 5, wherein the control method further comprises a method of switching the second refrigerating compartment from a refrigerating mode to a refrigerating mode, wherein the first refrigerating compartment is The temperature is set in the refrigerating temperature zone, and the refrigerating-to-frozen switching method includes the following steps: after the refrigerating mode is turned to the freezing mode, the controller controls the compressor and the fan according to the temperature sensed by the first temperature sensor Start and stop.
The control method according to claim 11, wherein said air passage includes a first air passage communicating with said first refrigerating compartment and a second air passage communicating with said second refrigerating compartment The refrigerator further includes a damper disposed in the first air passage for adjusting an air intake amount of the first refrigerating compartment, and the refrigerating-rotating freezing switching method further includes the following steps: after the refrigerating mode is turned to a freezing mode, The damper is partially closed.
The control method according to claim 11, wherein said air passage includes a first air passage communicating with said first refrigerating compartment and a second air passage communicating with said second refrigerating compartment The refrigerator further includes an air outlet disposed in the second refrigerating compartment and communicating with the second air duct, and a baffle that cooperates with the air outlet to adjust a size of the air outlet, The refrigerating-to-frozen switching method further includes the following steps: after the refrigerating mode is turned to the freezing mode, the baffle moves to completely expose the air outlet.
The control method according to claim 11, wherein the refrigerating-to-frozen switching method further comprises the step of: after the restarting of the refrigerating mode to the freezing mode, the first refrigerating room during the N compressor start-stop periods The room's startup temperature is reduced.