CN110887306A - Refrigeration equipment and control method thereof - Google Patents
Refrigeration equipment and control method thereof Download PDFInfo
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- CN110887306A CN110887306A CN201911292483.6A CN201911292483A CN110887306A CN 110887306 A CN110887306 A CN 110887306A CN 201911292483 A CN201911292483 A CN 201911292483A CN 110887306 A CN110887306 A CN 110887306A
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- heater
- air
- air duct
- storage
- storage room
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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
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
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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
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
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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
- F25D29/00—Arrangement or mounting of control or safety devices
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention relates to a refrigeration device and a control method thereof, the refrigeration device comprises: a storage room; installing a chamber; the mounting chamber is communicated with the storage chamber through the air duct; the refrigerator is arranged in the installation cavity and used for reducing the temperature of air; the air door is arranged in the storage chamber, the mounting chamber or the air channel and used for controlling the open-close state between the mounting chamber and the storage chamber; and the heater is used for heating the air door. In the refrigeration equipment and the control method thereof, the heater can heat the air door, and even if air refrigerated by the refrigerator is blown on the air door, the air door can be heated by the heater, so that the phenomenon of frosting or icing of the air door is prevented, the air door can be normally opened and closed, the performance of the refrigeration equipment is ensured, and the reliability is high.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to refrigeration equipment and a control method of the refrigeration equipment.
Background
The refrigerator is a common electric appliance for preserving food or other articles at low temperature in life, and is widely applied to the fields of life and industry. In a refrigeration system of some refrigerators, air cooled by an evaporator is sent to each of storage compartments by a fan, and the storage compartments are brought to a set temperature by opening and closing a damper. However, the damper may fail due to icing during use, affecting performance and having poor reliability.
Disclosure of Invention
Accordingly, it is necessary to provide a refrigeration apparatus with high reliability and a method for controlling the refrigeration apparatus.
The technical scheme is as follows:
a refrigeration appliance comprising: a storage room; installing a chamber; the installation chamber is communicated with the storage chamber through the air duct; the refrigerator is arranged in the installation cavity and used for reducing the temperature of air; the air door is arranged in the storage chamber or the mounting chamber or the air channel and used for controlling the on-off state between the mounting chamber and the storage chamber; and the heater is used for heating the air door.
In foretell refrigeration plant, the heater can heat the air door, even blow on the air door by the air after the refrigerator refrigeration, also can heat the air door through the heater, prevents that frosting or frozen phenomenon from appearing in the air door, guarantees that the air door can normally open and close, guarantees refrigeration plant's performance, and the reliability is high.
In one embodiment, the holding compartment comprises a first holding compartment and a second holding compartment, the duct comprises a first duct and a second duct, the damper comprises a first damper and a second damper, and the heater comprises a first heater and a second heater;
first deposit room with the installation cavity passes through first wind channel intercommunication, the second deposit room with the installation cavity passes through second wind channel intercommunication, first air door is used for control the installation cavity with the logical closed condition between the first deposit room, the second air door is used for control the installation cavity with logical closed condition between the second deposit room, first heater is used for right first air door heats, the second heater is used for right the second air door heats.
In one embodiment, the first air duct is disposed at a back portion of the first storage compartment.
In one embodiment, the second air duct is disposed at the back of the second storage room.
In one embodiment, the air duct further includes a third air duct communicated with the installation chamber, the first air duct is disposed between the third air duct and the first storage chamber and communicated with the third air duct and the first storage chamber, the second air duct is disposed between the third air duct and the second storage chamber and communicated with the third air duct and the second storage chamber, and the first damper and the second damper are disposed in the third air duct.
In one embodiment, the refrigeration device further includes a third heater, and the third heater is disposed at a connection between the first air duct and the third air duct.
In one embodiment, the refrigeration device further includes a fourth heater, and the fourth heater is disposed at a connection between the second air duct and the third air duct.
In one embodiment, the refrigeration equipment further comprises a blower, and the blower is arranged in the air duct and used for blowing air to the storage room.
In one embodiment, the air door is provided with a wind shielding side for blocking wind in the installation cavity, the bottom end of the air door is provided with a drainage port, and water on the wind shielding side can flow to the drainage port due to gravity.
In one embodiment, the air door comprises a door frame and a door body movably connected with the door frame, the door frame is arranged outside the door body in a surrounding mode, the bottom end of the door frame is provided with the drainage port, and the drainage port is located on one side, close to the installation chamber, of the door body.
The technical scheme also provides a control method of the refrigeration equipment, which comprises the following steps:
acquiring a trigger factor, wherein the trigger factor comprises at least one of the ambient temperature of the refrigeration equipment, the frequency of opening of a storage chamber of the refrigeration equipment, the volume of a storage object placed in the storage chamber and the change rate of the temperature of the storage chamber when a refrigerator cools the storage chamber;
judging whether the trigger factor reaches a trigger condition;
and when the trigger factor reaches the trigger condition, controlling the heater to be started after every first time interval, and otherwise, controlling the heater to be started after every second time interval, wherein the first time interval is shorter than the second time interval.
In one embodiment, the trigger includes the ambient temperature at which the refrigeration appliance is located, the frequency with which the storage compartment of the refrigeration appliance is opened, and the volume of the contents placed within the storage compartment;
the step of judging whether the trigger factor reaches the trigger condition comprises the following steps:
and judging whether any condition of whether the ambient temperature of the refrigeration equipment is higher than a preset temperature, whether the frequency of opening the storage chamber of the refrigeration equipment is greater than a preset frequency, and whether the volume of the preserved object put into the storage chamber is greater than a preset volume is satisfied.
In one embodiment, the trigger includes an ambient temperature at which the refrigeration appliance is located, a frequency at which a storage compartment of the refrigeration appliance is opened, and a rate of change of a temperature of the storage compartment as the refrigeration appliance cools the storage compartment;
the step of judging whether the trigger factor reaches the trigger condition comprises the following steps:
whether any condition of whether the ambient temperature of the refrigeration equipment is higher than a preset temperature, whether the frequency of opening the storage chamber of the refrigeration equipment is greater than a preset frequency, and whether the change rate of the temperature of the storage chamber when the refrigerator refrigerates the storage chamber is lower than a preset change rate is determined.
In one embodiment, the first period of time is 1 day to 2 days; and/or the second period of time is between 2 days and 3 days.
In one embodiment, before controlling the heater to be turned on, the method further comprises the following steps:
judging whether the air door is in a closed state or not;
in the step of controlling the heater to be turned on after every first time interval when the trigger factor reaches the trigger condition, and otherwise controlling the heater to be turned on after every second time interval, the method includes:
and when the trigger factor reaches the trigger condition, controlling the heater to be opened after every first time interval and when the air door is in a closed state, otherwise, controlling the heater to be opened after every second time interval and when the air door is in a closed state.
The technical scheme also provides a control method of the refrigeration equipment, which comprises the following steps:
acquiring real-time temperature of a storage room;
when the storage room is in a refrigerating state, judging whether the temperature change rate of the storage room reaches a first preset value or not; or when the storage room is in a refrigeration stop state, judging whether the temperature change rate of the storage room reaches a second preset value;
if the temperature change rate of the storage room does not reach the first preset value when the storage room is in a refrigerating state, a heater is started; or if the temperature change rate of the storage room does not reach the second preset value when the storage room is in a refrigeration stop state, the heater is started.
Drawings
FIG. 1 is a schematic diagram of a refrigeration apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a refrigeration unit according to an embodiment of the present invention;
FIG. 3 is a schematic front view of a damper according to an embodiment of the present invention;
FIG. 4 is a schematic bottom view of a damper according to an embodiment of the present invention;
FIG. 5 is a first schematic diagram of a method of controlling a refrigeration unit according to a first embodiment of the present invention;
FIG. 6 is a schematic diagram of a method of controlling a refrigeration unit according to a first embodiment of the present invention;
fig. 7 is a schematic diagram three of a control method of a refrigeration apparatus according to a first embodiment of the present invention;
fig. 8 is a schematic diagram of a control method of a refrigeration apparatus according to a first embodiment of the present invention;
fig. 9 is a schematic diagram of a control method of a refrigerating apparatus according to a second embodiment of the present invention.
Description of reference numerals:
100. the refrigerator comprises refrigeration equipment, 110, a first storage chamber, 120, a second storage chamber, 130, a third storage chamber, 140, an installation chamber, 200, a refrigerator, 300, a blower, 410, a first air duct, 420, a second air duct, 430, a third air duct, 431, a joint of the first air duct and the third air duct, 432, a joint of the second air duct and the third air duct, 501, a door frame, 502, a door body, 503, a rotating shaft, 504, a driving part, 505, a drainage port, 510, a first air door, 520, a second air door, 600 and a control main board.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The terms "first," "second," and the like in the description of the invention are not intended to denote any order, quantity, or configuration, but rather are used to distinguish one element from another.
As shown in fig. 1-2, an embodiment relates to a refrigeration apparatus 100 including a holding compartment, a mounting chamber 140, an air duct, a refrigerator 200, a damper, and a heater. A holding room for holding food or other articles; the mounting chamber 140 is used to mount the refrigerator 200; the refrigerator 200 serves to reduce the temperature of air; the air duct is used for communicating the installation chamber 140 and the storage chamber; the damper is used to control whether air in the installation chamber 140 can enter the storage chamber; the heater is used for heating the air door.
Specifically, the mounting chamber 140 communicates with the holding chamber; a refrigerator 200 disposed in the installation chamber 140 for refrigerating air in the installation chamber 140; the damper is disposed in the storage chamber or the installation chamber 140 or the air duct, and is used to control the open/close state between the installation chamber 140 and the storage chamber, so as to control whether the air in the installation chamber 140 can enter the storage chamber.
The refrigeration device 100 may be a refrigeration device 100 such as a refrigerator or an ice chest, and the refrigerator 200 is an evaporator.
In the above-mentioned refrigeration plant 100, the heater can heat the air door, even blow on the air door by the air after the refrigerator 200 refrigeration, also can heat the air door through the heater, prevent that the phenomenon of frosting or freezing from appearing in the air door, guarantee that the air door can normally open and close, guarantee refrigeration plant 100's performance, the reliability is high.
As shown in fig. 1-2, the storage compartment includes a first storage compartment 110 and a second storage compartment 120, the duct includes a first duct 410 and a second duct 420, the damper includes a first damper 510 and a second damper 520, and the heater includes a first heater and a second heater. It is understood that there are at least two storage compartments, including the first storage compartment 110 and the second storage compartment 120; at least two dampers including a first damper 510 and a second damper 520; the number of the heaters is at least two, and the heaters comprise a first heater and a second heater.
The first storage chamber 110 is communicated with the installation chamber 140 through a first air duct 410, the second storage chamber 120 is communicated with the installation chamber 140 through a second air duct 420, the first damper 510 is used for controlling the open-close state between the installation chamber 140 and the first storage chamber 110, the second damper 520 is used for controlling the open-close state between the installation chamber 140 and the second storage chamber 120, the first heater is used for heating the first damper 510, and the second heater is used for heating the second damper 520.
Wherein the first holding compartment 110 may be used as a refrigerating compartment and the second holding compartment 120 may be used as a temperature-changing compartment; the first damper 510 is used to control the open/close state between the installation chamber 140 and the first storage chamber 110, thereby controlling whether the air cooled by the refrigerator 200 can enter the first storage chamber 110 from the installation chamber 140; the second damper 520 is used to control the open/close state between the installation chamber 140 and the second storage room 120, thereby controlling whether the air cooled by the refrigerator 200 can enter the second storage room 120 from the installation chamber 140; the first heater is disposed on the first damper 510 or close to the first damper 510, and is used for heating the first damper 510; the second heater is disposed on the second damper 520 or close to the second damper 520, for heating the second damper 520.
Further, the air duct further includes a third air duct 430 communicated with the installation chamber 140, the first air duct 410 is disposed between the third air duct 430 and the first storage room 110 and communicates the third air duct 430 with the first storage room 110, the second air duct 420 is disposed between the third air duct 430 and the second storage room 120 and communicates the third air duct 430 with the second storage room 120, and the first damper 510 and the second damper 520 are disposed in the third air duct 430. By disposing the first damper 510 in the third air duct 430, when the first damper 510 is closed and the first heater heats the first damper 510, the temperature of the first storage room 110 or the second storage room 120 is not affected by the temperature rise of the first damper 510; and by disposing the second damper 520 in the third air duct 430, when the second damper 520 is closed and the second heater heats the second damper 520, the temperature of the first storage room 110 or the second storage room 120 is not affected by the temperature rise of the second damper 520.
Specifically, the first air duct 410 is disposed at the back of the first storage room 110, and the second air duct 420 is disposed at the back of the second storage room 120. By arranging the first damper 510 and the second damper 520 in the third air duct 430, the occupied space of the first air duct 410 and the second air duct 420 can be reduced, and the storage space of the first storage room 110 and the second storage room 120 can be increased under the condition that the total volume of the refrigeration apparatus 100 is not changed.
Further, the storage room further includes a third storage room 130, the third storage room 130 can be used as a freezing room, a third duct 430 is disposed at a back of the third storage room 130, and the refrigerator 200 can supply air to the third storage room through the third duct 430.
In one embodiment, the refrigeration device 100 further includes a third heater disposed at a junction 431 of the first air duct 410 and the third air duct 430. When the first damper 510 is closed, the first damper 510 separates the first air duct 410 from the third air duct 430, and the temperature of the air in the third air duct 430 is lower than the temperature of the air in the first air duct 410. Thus, when the first air door 510 is opened, the air in the first air duct 410 and the air in the third air duct 430 converge together, the two air ducts with different temperatures can freeze at the intersection, and the third heater can heat the junction 431 of the first air duct 410 and the third air duct 430 to prevent freezing by arranging the third heater at the junction 431 of the first air duct 410 and the third air duct 430.
Further, the refrigeration device 100 further includes a fourth heater, and the fourth heater is disposed at a connection 432 between the second air duct 420 and the third air duct 430. When the second damper 520 is closed, the second damper 520 separates the second air duct 420 from the third air duct 430, and the temperature of the air in the third air duct 430 is lower than that of the air in the second air duct 420. Thus, when the second damper 520 is opened, the air in the second air duct 420 and the air in the third air duct 430 are gathered together, the two air streams with different temperatures can freeze at the intersection, and the fourth heater can heat the junction 432 of the second air duct 420 and the third air duct 430 to prevent freezing by being arranged at the junction 432 of the second air duct 420 and the third air duct 430.
In one embodiment, the refrigeration apparatus 100 further includes a blower 300, the blower 300 is disposed in the air duct, and the blower 300 is used for blowing air to the storage room. In this way, the air cooled by the refrigerator 200 can be sent into the storage compartment by the blower 300, thereby increasing the cooling speed.
Specifically, the blower 300 is disposed in the third air duct 430, and the blower 300 can send air cooled by the refrigerator 200 into the first air duct 410 and the second air duct 420, thereby cooling the first storage room 110 and the second storage room 120.
Alternatively, the blower 300 may be a fan.
As shown in fig. 3-4, in one embodiment, the damper has a wind-shielding side for blocking wind in the installation chamber 140, and the bottom end of the damper is provided with a drainage port 808 through which water on the wind-shielding side can flow due to gravity.
As shown in fig. 2-4, specifically, the first damper 510 and the second damper 520 are identical in structure, the first damper 510 and the second damper are both disposed in the third air duct 430, the first damper 510 is located in front of the first air duct 410, the second damper 520 is located in front of the second air duct 420, the first damper 510 and the second damper 520 are both vertically or nearly vertically disposed, one side of the first damper 510 departing from the first air duct 410 is a wind shielding side, and one side of the second damper 520 departing from the second air duct 420 is a wind shielding side. When the defrosting water on the wind shield side is attached to the air door, the defrosting water flows to the drainage port 505 under the action of gravity and flows out of the drainage port 505, so that the defrosting water can be prevented from remaining on the air door, and the air door is prevented from being frozen due to icing.
Further, first air door 510 and second air door 520 all include door frame 501 and door body 502 with door frame swing joint, and door frame 501 encloses to be established outside door body 502, and the bottom of door frame 501 is equipped with drainage mouth 505, and drainage mouth 505 is located one side that door body 502 is close to installation cavity 140.
Specifically, the door body 502 is rotatably connected to the door frame 501 through a rotating shaft 503, and a driving member 504 is disposed on the door frame 501, and the driving member 504 is configured to drive the door body 502 to rotate. Optionally, the drive member 504 is a motor.
As shown in fig. 2 and 5, an embodiment relates to a control method of a refrigeration apparatus 100, which is applied to the refrigeration apparatus 100 described above.
First, the refrigeration apparatus 100 will be described, in which the storage room of the refrigeration apparatus 100 includes a first storage room 110 and a second storage room 120, the air duct includes a first air duct 410 and a second air duct 420, the damper includes a first damper 510 and a second damper 520, and the heater includes a first heater and a second heater; the first storage room 110 is communicated with the installation cavity through a first air duct 410, and the second storage room 120 is communicated with the installation cavity through a second air duct 420; the first damper 510 is used to control the open/close state between the installation chamber and the first storage room 110, and the second damper 520 is used to control the open/close state between the installation chamber and the second storage room 120; the first heater is used to heat the first damper 510 and the second heater is used to heat the second damper 520. Hereinafter, the first damper 510 and the second damper 520 are collectively expressed by dampers, the first heater and the second heater are collectively expressed by heaters, and the first storage room 110 and the second storage room 120 are collectively expressed by storage rooms, but it should be noted that when the correspondence relationship between the damper, the heater, and the storage room is expressed, the first damper 510, the first heater, and the first storage room 110 correspond to each other, and the second damper 520, the second heater, and the second storage room 120 correspond to each other.
As shown in fig. 1, 2 and 5, the control method of the refrigeration apparatus 100 includes the following steps:
s100, acquiring a trigger factor, wherein the trigger factor includes at least one of an ambient temperature of the refrigeration equipment 100, a frequency of opening a storage room of the refrigeration equipment 100, a volume of a storage object placed in the storage room, and a change rate of the temperature of the storage room when the refrigerator 200 refrigerates the storage room.
Specifically, the refrigeration equipment 100 is provided with a first temperature sensor for detecting the ambient temperature of the refrigeration equipment 100, the first temperature sensor is electrically connected with a control mainboard 600 of the refrigeration equipment 100, and the control mainboard 600 is used for receiving ambient temperature data of the refrigeration equipment 100; and/or a first door opening sensor is arranged in the storage room and used for detecting whether the door of the storage room is opened or not, the first door opening sensor is electrically connected with the control main board 600 of the refrigeration equipment 100, the control main board 600 is used for calculating the number of times that the door of the storage room is opened, and calculating the frequency that the storage room is opened according to the number of times that the door of the storage room is opened in one day, optionally, the first door opening sensor is a photoelectric sensor; and/or a camera is arranged in the storage room and is used for shooting the volume of the stored objects put into the storage room, the camera is electrically connected with the control main board 600 of the refrigeration equipment 100, and the control main board 600 is used for receiving the volume data of the stored objects put into the storage room; and/or a second temperature sensor is arranged in the storage room and used for detecting the temperature of the storage room, the second temperature sensor is electrically connected with the control main board 600 of the refrigeration equipment 100, the control main board 600 is used for receiving the temperature data of the storage room, and in addition, the control main board 600 also has an operation function and is used for calculating the change rate of the temperature of the storage room when the refrigerator 200 refrigerates the storage room.
S200, judging whether the trigger factor reaches a trigger condition;
and S300, when the trigger factor reaches the trigger condition, controlling the heater to be started after every first time period, otherwise, controlling the heater to be started after every second time period, wherein the first time period is shorter than the second time period.
Specifically, the lower the ambient temperature of the refrigeration apparatus 100, the less the frequency of opening the storage compartment of the refrigeration apparatus 100, the smaller the volume of the stored items placed in the storage compartment, and the faster the rate of change of the temperature of the storage compartment when the refrigerator 200 cools the storage compartment, the shorter the operating time of the refrigerator 200 can be made, the less the probability of the damper frosting or being frozen, and the heater can be turned on after a relatively short period of time.
Alternatively, the first period of time may be 1 or 2 days and the second period of time may be 2 or 3 days, the first period of time being shorter than the second period of time.
As shown in fig. 1, 2, and 6, in one embodiment, the trigger includes the ambient temperature in which the refrigeration appliance 100 is located, the frequency with which the storage compartment of the refrigeration appliance 100 is opened, and the volume of the deposit placed in the storage compartment;
the step of judging whether the trigger factor reaches the trigger condition comprises the following steps:
s210, determining whether any of the conditions of whether the ambient temperature of the refrigeration apparatus 100 is higher than the preset temperature, whether the frequency of opening the storage room of the refrigeration apparatus 100 is greater than the preset frequency, and whether the volume of the stored object put into the storage room is greater than the preset volume are satisfied.
Specifically, a preset temperature of the environment temperature where the refrigeration apparatus 100 is located, a preset frequency at which the storage chamber is opened, and a preset volume of the storage object placed in the storage chamber may be preset in the control main board 600, and then it is determined whether the environment temperature where the refrigeration apparatus 100 is located is higher than the preset temperature, whether the frequency at which the storage chamber of the refrigeration apparatus 100 is opened is higher than the preset frequency, and whether the volume of the storage object placed in the storage chamber is larger than the preset volume, and if any of the above conditions is met, it is determined that the trigger condition is reached.
More specifically, the preset temperature of the environment temperature in which the refrigeration equipment 100 is located is any value in the range of 15-20 ℃; the preset frequency at which the storage compartment of the refrigeration apparatus 100 is opened is any value from 20 times per day to 30 times per day; the preset volume of the deposit placed in the holding room is any value of sixty to seventy percent of the space of the entire holding room, and the specific value can be determined according to the space of the holding room.
As shown in fig. 1, 2, and 7, in another embodiment, the triggers include the ambient temperature in which the refrigeration unit 100 is located, the frequency with which the storage compartment of the refrigeration unit 100 is opened, and the rate of change of the storage compartment temperature as the refrigerator 200 refrigerates the storage compartment.
The step of judging whether the trigger factor reaches the trigger condition comprises the following steps:
s220, determining whether any of the conditions of whether the ambient temperature of the refrigeration apparatus 100 is higher than the preset temperature, whether the opening frequency of the storage room of the refrigeration apparatus 100 is higher than the preset frequency, and whether the change rate of the temperature of the storage room when the refrigerator 200 cools the storage room is lower than the preset change rate is satisfied.
Specifically, a preset temperature of the environment temperature where the refrigeration device 100 is located, a preset frequency at which the storage chamber is opened, and a change rate of the temperature of the storage chamber when the refrigerator 200 cools the storage chamber may be preset in the control main board 600, and then it is determined whether the environment temperature where the refrigeration device 100 is located is higher than the preset temperature, whether the frequency at which the storage chamber of the refrigeration device 100 is opened is greater than the preset frequency, and whether the change rate of the temperature of the storage chamber when the refrigerator 200 cools the storage chamber is lower than the preset change rate, and if any of the above conditions is satisfied, it is determined that the trigger condition is reached.
More specifically, the preset temperature of the environment temperature in which the refrigeration equipment 100 is located is any value in the range of 15-20 ℃; the preset frequency at which the storage compartment of the refrigeration apparatus 100 is opened is any value from 20 times per day to 30 times per day; the rate of change of the temperature of the storage room when the refrigerator 200 refrigerates the storage room is any value from 3 degrees celsius per hour to 6 degrees celsius per hour.
As shown in fig. 1, 2 and 8, in one embodiment, before controlling the heater to be turned on, the method further includes the following steps:
s500, judging whether the air door is in a closed state or not;
specifically, be provided with the second on the air door and open the door sensor for whether the response air door is closed, the second sensor and the control mainboard 600 electric connection that opens the door, control mainboard 600 can judge whether the air door is in the closed condition. Optionally, the second door opening sensor is a photosensor.
The step of controlling the heater to be turned on after every first time interval when the trigger factor reaches the trigger condition, and otherwise controlling the heater to be turned on after every second time interval, comprises the following steps:
and S310, when the trigger factor reaches the trigger condition, controlling the heater to be opened after every first time interval and when the air door is in a closed state, or controlling the heater to be opened after every second time interval and when the air door is in a closed state. By turning on the heater when the damper is closed, it is possible to prevent the cool air introduced into the storage chamber from being affected by the heater.
Further, the air duct further includes a third air duct 430 communicated with the installation chamber 140, the first air duct 410 is disposed between the third air duct 430 and the first storage room 110 and communicates the third air duct 430 with the first storage room 110, the second air duct 420 is disposed between the third air duct 430 and the second storage room 120 and communicates the third air duct 430 with the second storage room 120, and the first damper 510 and the second damper 520 are disposed in the third air duct 430.
Furthermore, the refrigeration device further includes a third heater and a fourth heater, the third heater is disposed at a connection 431 between the first air duct 410 and the third air duct 430, and the fourth heater is disposed at a connection 432 between the second air duct 420 and the third air duct 430. In the control method of the refrigeration equipment, the on-off time of the first heater is consistent with that of the third heater, and the on-off time of the second heater is consistent with that of the fourth heater.
As shown in fig. 1, 2 and 9, an embodiment further relates to a control method of a refrigeration apparatus 100, including:
s500, acquiring the real-time temperature of the storage room.
Specifically, a second temperature sensor is disposed in the storage room and used for detecting the temperature of the storage room, the second temperature sensor is electrically connected to the control main board 600 of the refrigeration device 100, and the control main board 600 is used for receiving the temperature data of the storage room.
S600, judging whether the temperature change rate of the storage room reaches a first preset value or not when the storage room is in a refrigerating state; or judging whether the temperature change rate of the storage room reaches a second preset value or not when the storage room is in a refrigeration stop state.
S700, if the temperature change rate of the storage room does not reach a first preset value when the storage room is in a refrigerating state, starting the heater; or if the temperature change rate of the storage room does not reach the second preset value when the storage room is in the refrigeration stop state, the heater is started.
First, the refrigeration apparatus 100 will be described, in which the storage room of the refrigeration apparatus 100 includes a first storage room 110 and a second storage room 120, the air duct includes a first air duct 410 and a second air duct 420, the damper includes a first damper 510 and a second damper 520, and the heater includes a first heater and a second heater; the first storage room 110 is communicated with the installation cavity through a first air duct 410, and the second storage room 120 is communicated with the installation cavity through a second air duct 420; the first damper 510 is used to control the open/close state between the installation chamber and the first storage room 110, and the second damper 520 is used to control the open/close state between the installation chamber and the second storage room 120; the first heater is used to heat the first damper 510 and the second heater is used to heat the second damper 520. Hereinafter, the first damper 510 and the second damper 520 are collectively expressed by dampers, the first heater and the second heater are collectively expressed by heaters, and the first storage room 110 and the second storage room 120 are collectively expressed by storage rooms, but it should be noted that when the correspondence relationship between the damper, the heater, and the storage room is expressed, the first damper 510, the first heater, and the first storage room 110 correspond to each other, and the second damper 520, the second heater, and the second storage room 120 correspond to each other.
The storage room in the refrigerated state is a state of the storage room when air refrigerated by the refrigerator 200 can be sent into the storage room, that is, a state of the storage room when the refrigerator 200 is opened and the damper is opened. The state that the storage room is in the refrigeration stop state is a state that the storage room is not cooled by the refrigerator 200, that is, the storage room is in a state that the refrigerator 200 is opened and the damper is closed, or the storage room is in a state that the refrigerator is closed.
In one embodiment, the set temperature of the storage chamber is 5 degrees celsius, the refrigerator 200 and/or the damper are controlled by the control main board 600 when the temperature in the storage chamber is 6 degrees celsius or above 6 degrees celsius, so that the storage chamber is in a refrigeration state, and the refrigerator 200 and/or the damper are controlled by the control main board 600 when the temperature in the storage chamber is 4 degrees celsius or below 4 degrees celsius, so that the storage chamber is in a refrigeration stop state.
Specifically, the first preset value and the second preset value are both any values in the range of 3 degrees celsius per hour to 6 degrees celsius per hour. If the temperature of the storage room is not maintained at the temperature of more than 6 ℃ for 10-20 minutes, the air door is possibly frozen to cause the air door to be not opened, the heater is started to heat the air door at the moment, the judgment is carried out again at intervals of 30 minutes or 60 minutes, and the process is repeated. If the temperature of the storage room is not maintained below 4 ℃ for 10-20 minutes, the air door is possibly frozen to cause the air door not to be opened, the heater is started to heat the air door at the moment, the judgment is carried out again at intervals of 30 minutes or 60 minutes, and the process is repeated.
Further, the air duct further includes a third air duct 430 communicated with the installation chamber 140, the first air duct 410 is disposed between the third air duct 430 and the first storage room 110 and communicates the third air duct 430 with the first storage room 110, the second air duct 420 is disposed between the third air duct 430 and the second storage room 120 and communicates the third air duct 430 with the second storage room 120, and the first damper 510 and the second damper 520 are disposed in the third air duct 430.
Furthermore, the refrigeration device further includes a third heater and a fourth heater, the third heater is disposed at a connection 431 between the first air duct 410 and the third air duct 430, and the fourth heater is disposed at a connection 432 between the second air duct 420 and the third air duct 430. In the control method of the refrigeration equipment, the opening and closing time of the first heater is consistent with that of the third heater, and the third heater is used for preventing the connection 431 between the first air duct 410 and the third air duct 430 from being blocked; the on-off time of the second heater is consistent with that of the fourth heater, and the fourth heater is used for preventing the connection part 432 of the second air duct 420 and the third air duct 430 from being blocked.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (16)
1. A refrigeration apparatus, comprising:
a storage room;
installing a chamber;
the installation chamber is communicated with the storage chamber through the air duct;
the refrigerator is arranged in the installation cavity and used for reducing the temperature of air;
the air door is arranged in the storage chamber or the mounting chamber or the air channel and used for controlling the on-off state between the mounting chamber and the storage chamber; and
a heater for heating the damper.
2. The refrigeration apparatus of claim 1 wherein the holding compartment comprises a first holding compartment and a second holding compartment, the duct comprises a first duct and a second duct, the damper comprises a first damper and a second damper, and the heater comprises a first heater and a second heater;
first deposit room with the installation cavity passes through first wind channel intercommunication, the second deposit room with the installation cavity passes through second wind channel intercommunication, first air door is used for control the installation cavity with the logical closed condition between the first deposit room, the second air door is used for control the installation cavity with logical closed condition between the second deposit room, first heater is used for right first air door heats, the second heater is used for right the second air door heats.
3. The refrigeration appliance according to claim 2, wherein the first duct is provided at a back portion of the first storage compartment.
4. The refrigeration appliance according to claim 2, wherein the second duct is provided at a rear portion of the second storage compartment.
5. The refrigeration apparatus as claimed in any one of claims 2 to 4, wherein the air duct further includes a third air duct communicating with the installation chamber, the first air duct is disposed between the third air duct and the first storage chamber and communicates the third air duct with the first storage chamber, the second air duct is disposed between the third air duct and the second storage chamber and communicates the third air duct with the second storage chamber, and the first damper and the second damper are both disposed in the third air duct.
6. The refrigeration apparatus as recited in claim 5 further comprising a third heater disposed at a junction of the first air path and the third air path.
7. The refrigeration apparatus as recited in claim 5 further comprising a fourth heater disposed at a junction of the second air duct and the third air duct.
8. The refrigeration appliance according to claim 1, further comprising a blower disposed within the air duct for blowing air to the holding compartment.
9. The refrigeration appliance according to claim 1 wherein the damper has a wind-blocking side for blocking wind within the mounting chamber, the damper having a bottom end provided with a drainage port through which water on the wind-blocking side can flow by gravity.
10. The refrigeration equipment according to claim 9, wherein the air door comprises a door frame and a door body movably connected with the door frame, the door frame is arranged around the outside of the door body, the bottom end of the door frame is provided with the drainage port, and the drainage port is positioned on one side of the door body close to the installation chamber.
11. A method of controlling a refrigeration apparatus, comprising:
acquiring a trigger factor, wherein the trigger factor comprises at least one of the ambient temperature of the refrigeration equipment, the frequency of opening of a storage chamber of the refrigeration equipment, the volume of a storage object placed in the storage chamber and the change rate of the temperature of the storage chamber when a refrigerator cools the storage chamber;
judging whether the trigger factor reaches a trigger condition;
and when the trigger factor reaches the trigger condition, controlling the heater to be started after every first time period, otherwise, controlling the heater to be started after every second time period, wherein the first time period is shorter than the second time period.
12. The control method of a refrigerating apparatus as recited in claim 11 wherein the trigger includes an ambient temperature at which the refrigerating apparatus is located, a frequency at which a storage room of the refrigerating apparatus is opened, and a volume of a stored material put into the storage room;
the step of judging whether the trigger factor reaches the trigger condition comprises the following steps:
and judging whether any condition of whether the ambient temperature of the refrigeration equipment is higher than a preset temperature, whether the frequency of opening the storage chamber of the refrigeration equipment is greater than a preset frequency, and whether the volume of the preserved object put into the storage chamber is greater than a preset volume is satisfied.
13. The control method of a refrigerating apparatus as recited in claim 11 wherein the trigger includes an ambient temperature at which the refrigerating apparatus is located, a frequency at which a storage room of the refrigerating apparatus is opened, and a rate of change of a temperature of the storage room when the refrigerator cools the storage room;
the step of judging whether the trigger factor reaches the trigger condition comprises the following steps:
whether any condition of whether the ambient temperature of the refrigeration equipment is higher than a preset temperature, whether the frequency of opening the storage chamber of the refrigeration equipment is greater than a preset frequency, and whether the change rate of the temperature of the storage chamber when the refrigerator refrigerates the storage chamber is lower than a preset change rate is determined.
14. The control method of a refrigeration apparatus according to claim 11, wherein the first period of time is 1 day to 2 days; and/or the second period of time is between 2 days and 3 days.
15. The control method of a refrigerating apparatus as recited in any one of claims 11 to 14,
the method also comprises the following steps before controlling the heater to be started:
judging whether the air door is in a closed state or not;
in the step of controlling the heater to be turned on after every first time interval when the trigger factor reaches the trigger condition, and otherwise controlling the heater to be turned on after every second time interval, the method includes:
and when the trigger factor reaches the trigger condition, controlling the heater to be opened after every first time interval and when the air door is in a closed state, otherwise, controlling the heater to be opened after every second time interval and when the air door is in a closed state.
16. A method of controlling a refrigeration apparatus, comprising:
acquiring real-time temperature of a storage room;
when the storage room is in a refrigerating state, judging whether the temperature change rate of the storage room reaches a first preset value or not; or when the storage room is in a refrigeration stop state, judging whether the temperature change rate of the storage room reaches a second preset value;
if the temperature change rate of the storage room does not reach the first preset value when the storage room is in a refrigerating state, a heater is started; or if the temperature change rate of the storage room does not reach the second preset value when the storage room is in a refrigeration stop state, the heater is started.
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| CN201911292483.6A CN110887306A (en) | 2019-12-12 | 2019-12-12 | Refrigeration equipment and control method thereof |
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| CN201911292483.6A CN110887306A (en) | 2019-12-12 | 2019-12-12 | Refrigeration equipment and control method thereof |
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