CN110686448A - Moisture preservation control method and device - Google Patents
Moisture preservation control method and device Download PDFInfo
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- CN110686448A CN110686448A CN201910924701.7A CN201910924701A CN110686448A CN 110686448 A CN110686448 A CN 110686448A CN 201910924701 A CN201910924701 A CN 201910924701A CN 110686448 A CN110686448 A CN 110686448A
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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
- F25D17/042—Air treating means within refrigerated spaces
- F25D17/045—Air flow control arrangements
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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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- 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
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/04—Treating air flowing to refrigeration compartments
- F25D2317/041—Treating air flowing to refrigeration compartments by purification
- F25D2317/0413—Treating air flowing to refrigeration compartments by purification by humidification
- F25D2317/04131—Control means therefor
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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
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
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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)
Abstract
The invention discloses a moisture preservation control method and a moisture preservation control device, and relates to the technical field of refrigerators. The method comprises the steps of monitoring the variable quantity of the weight values of a refrigerating chamber shelf and a drawer when the refrigerator is opened, and monitoring the opening time t to start timing when the refrigerator is opened; when the time is long, a door opening alarm prompt is set to prompt that the door is closed; and judging the variation of the weight value, entering the humidifier into the running states of different gears and different time according to the variation, and finally running the humidifier according to the original control rule. The invention judges the amount of humidification required by the food material by detecting the weight change of the food material when the door is opened and after the door is opened, and has the advantages of supplementing the amount of humidification and keeping a fresh-keeping balance environment after the door is opened and the weight of the food material is increased.
Description
Technical Field
The invention belongs to the technical field of refrigerators, and particularly relates to a moisturizing control method and a moisturizing control device.
Background
Along with the improvement of living standard of people, higher requirements are put forward on the fresh-keeping capacity of the refrigerator. The food material storage in the refrigerator needs a low-temperature high-humidity environment, but in the use process of the refrigerator, the door can be opened and closed inevitably to take the food material, the cold air and the moisture in the room run off in the door opening time, and meanwhile, the quantity and the weight of the food material are increased, so that the moisture retention load of the compartment is increased, and the original fresh-keeping balance environment is broken.
Disclosure of Invention
The invention aims to provide a moisture preservation control method and a device thereof, which can judge the amount of moisture required by the moisture preservation control method by detecting the weight change of food materials when and after the door is opened, and have the advantages of supplementing the amount of moisture and keeping a fresh-keeping balance environment after the door is opened and the weight of the food materials is increased.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a moisturizing control method, which comprises the following steps:
the method comprises the following steps: monitoring the weight values of the refrigerating chamber shelf and the drawer when the refrigerator is opened, and respectively recording as m1i and m2 i; monitoring the door opening time t and starting timing when the refrigerator opens the door;
step two: comparing the T with a preset value T in real time; judging T < T, if yes, no operation is performed, and entering the third step after the refrigerator door is closed; otherwise, the door opening alarm of the refrigerator gives an alarm to remind and prompt the user to close the door; closing the door opening alarm of the refrigerator after the refrigerator door is closed, and entering the step ten;
step three: monitoring the weight values of the refrigerating chamber shelf and the drawer when the refrigerator is closed, and respectively recording as m1(i +1) and m2(i + 1); respectively calculating the weight change value delta m 1-m 1(i +1) -m1i of the shelf and the weight change value delta m 2-m 2(i +1) -m2i of the drawer, and adding the weight change values delta m 2-m 1-m 2 of the refrigerating chamber;
step four: comparing the magnitude of the Δ m with a first preset value m 1; judging that the delta m is larger than m1, if so, executing a fifth step; otherwise, executing step eighteen;
step five: comparing the magnitude of the Δ m with a first preset value m 2; judging that the delta m is larger than m2, if so, executing a sixth step; otherwise, executing step seven;
step six: comparing the magnitude of the Δ m with a first preset value m 3; judging that the delta m is larger than m3, if so, executing a ninth step; otherwise, executing step eight;
step seven: controlling the humidifier to operate at the gear 1 for t1, and entering the eighteen steps;
step eight: controlling the humidifier to operate at the gear 2 for t2, and entering the eighteen steps;
step nine: controlling the humidifier to operate at the gear 3 for t3, and entering the eighteen steps;
step ten: monitoring the weight values of the refrigerating chamber shelf and the drawer when the refrigerator is closed, and respectively recording as m1(i +1) and m2(i + 1); respectively calculating the weight change value delta m 1-m 1(i +1) -m1i of the shelf and the weight change value delta m 2-m 2(i +1) -m2i of the drawer, and adding the weight change values delta m 2-m 1-m 2 of the refrigerating chamber;
step eleven: comparing the magnitude of the Δ m with a first preset value m 1; judging that the delta m is larger than m1, if so, executing a step twelve; otherwise, executing step fourteen;
step twelve: comparing the magnitude of the Δ m with a first preset value m 2; judging that the delta m is larger than m2, if so, executing a step thirteen; otherwise, executing step fifteen;
step thirteen: comparing the magnitude of the Δ m with a first preset value m 3; judging that the delta m is larger than m3, if so, executing a seventeenth step; otherwise, step sixteen will be executed;
fourteen steps: controlling the humidifier to operate at the gear 1 for t1, and entering the eighteen steps;
step fifteen: controlling the humidifier to operate at the gear 2 for t2, and entering the eighteen steps;
sixthly, the steps are as follows: controlling the humidifier to operate at the gear 3 for t3, and entering the eighteen steps;
seventeen steps: controlling the humidifier to operate at the gear 4 for t4, and entering the eighteen steps;
eighteen steps: and when the refrigerator is opened, monitoring the opening time t for zero clearing, and operating the humidifier according to the original control rule.
Further, the numerical size relationship existing among m1, m2 and m3 is m1< m2< m 3.
Further, the numerical magnitude relation existing among the t1, t2, t3 and t4 is 0< t1< t2< t3< t 4.
Further, the gear 1, the gear 2, the gear 3 and the gear 4 are humidification intensities at different gears in the humidifier, and the humidification intensities of the humidifier have a size relationship of: gear 1< gear 2< gear 3< gear 4.
According to the moisture preservation control method, the gravity sensor and the humidifier are arranged in the refrigerating chamber of the refrigerator, the gravity sensor monitors the weight change value of food materials in the refrigerating chamber when the refrigerator is opened and closed, and the humidifier is controlled to work at different gears; according to the variable quantity of the weight of food materials put into the compartment, the working time and the working strength of the humidifier are intelligently adjusted, so that the humidity in the compartment is rapidly increased, and a better fresh-keeping effect is achieved; meanwhile, a refrigerator door opening timer is set, and when the door opening time reaches a preset value, a door opening alarm is prompted to prevent moisture from excessively losing;
wherein, according to the monitoring refrigerator when opening the door and when closing the door the material weight change value is eaten to the walk-in, when the weight change value is in the interval of difference, the work of intelligent adjustment humidifier with different gear control humidifiers to the indoor humidity of fast increase room.
A moisturizing control device, comprising:
the gravity sensor is used for monitoring the weight values of the refrigerating chamber shelf and the drawer when the refrigerator is opened and closed;
the timing unit is used for timing the door opening time t of the refrigerator;
the timing unit is also used for timing the humidifier opening time t1, t2, t3 and t 4;
the detection unit is used for detecting whether the refrigerator is in a door opening state or a door closing state;
the recording unit is used for recording data information m1i, m1(i +1), m2i and m2(i +1) collected by the gravity sensor when the refrigerator is in a switching node between a door opening state and a door closing state;
a calculating unit, which calculates the difference value of the recording results m1i, m1(i +1), m2i and m2(i +1) to obtain:
Δ m1 ═ m1(i +1) -m1i and Δ m2 ═ m2(i +1) -m2 i;
the calculating unit is further used for accumulating the delta m1 and the delta m2 to obtain a refrigerating chamber weight change value delta m which is delta m1+ delta m 2;
the comparison unit is used for comparing the T with a preset value T in real time when the refrigerator is in a door opening state;
the comparison unit is also used for comparing the Δ m with preset values m1, m2 and m 3;
the control unit controls the operation gear and the operation time of the humidifier according to the judgment information of the comparison of the size of the comparison unit;
the control unit is also used for controlling the buzzer to give an alarm after the door opening time T of the refrigerator reaches T, and the buzzer sounds to prompt a user to close the door in time;
the control unit is also used for controlling the humidifier to operate according to the original control rule after the operating time of the humidifier reaches t1, t2, t3 and t4 on the set gear respectively;
wherein, the gravity sensor outputs the collected weight data information to the recording unit; the recording unit outputs the recorded weight data information to the control unit;
the timing unit outputs the door opening time t and the time data information of the refrigerator to the control unit; the detection unit outputs the state information of the refrigerator door to the control unit;
the control unit transmits weight data information recorded according to the state of the refrigerator door to the calculating unit; the calculating unit outputs the calculated weight data information to the comparing unit; the comparison unit outputs a comparison result to the control unit;
the control unit controls the operation gear and the operation time of the humidifier and the on or off of the buzzer.
Further, the weight sensors are arranged at the positions of the bottom of the shelf and the bottom of the drawer.
The invention has the following beneficial effects:
according to the invention, the gravity sensor and the humidifier are arranged in the refrigerating chamber of the refrigerator, the gravity sensor monitors the weight change value of the food material in the refrigerating chamber when the refrigerator is opened and closed, and the humidifier is controlled to work at different gears; according to the variable quantity of the weight of food materials put into the compartment, the working time and the working strength of the humidifier are intelligently adjusted, so that the humidity in the compartment is rapidly increased, and a better fresh-keeping effect is achieved; meanwhile, a refrigerator door opening timer is set, and when the door opening time reaches a preset value, a door opening alarm is prompted to prevent moisture from excessively losing; the refrigerator has the advantages that after the door of the refrigerator is opened and the weight of food materials is increased, the humidification quantity is supplemented, and the fresh-keeping balance environment is kept.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a moisture retention control method according to the present invention;
fig. 2 is a system block diagram of a moisturizing control device according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention is a moisture control method, including the following steps:
the method comprises the following steps: monitoring the weight values of the refrigerating chamber shelf and the drawer when the refrigerator is opened, and respectively recording as m1i and m2 i; monitoring the door opening time t and starting timing when the refrigerator opens the door;
step two: comparing the T with a preset value T in real time; judging T < T, if yes, no operation is performed, and entering the third step after the refrigerator door is closed; otherwise, the door opening alarm of the refrigerator gives an alarm to remind and prompt the user to close the door; closing the door opening alarm of the refrigerator after the refrigerator door is closed, and entering the step ten;
step three: monitoring the weight values of the refrigerating chamber shelf and the drawer when the refrigerator is closed, and respectively recording as m1(i +1) and m2(i + 1); respectively calculating the weight change value delta m 1-m 1(i +1) -m1i of the shelf and the weight change value delta m 2-m 2(i +1) -m2i of the drawer, and adding the weight change values delta m 2-m 1-m 2 of the refrigerating chamber;
step four: comparing the magnitude of the Δ m with a first preset value m 1; judging that the delta m is larger than m1, if so, executing a fifth step; otherwise, executing step eighteen;
step five: comparing the magnitude of the Δ m with a first preset value m 2; judging that the delta m is larger than m2, if so, executing a sixth step; otherwise, executing step seven;
step six: comparing the magnitude of the Δ m with a first preset value m 3; judging that the delta m is larger than m3, if so, executing a ninth step; otherwise, executing step eight;
step seven: controlling the humidifier to operate at the gear 1 for t1, and entering the eighteen steps;
step eight: controlling the humidifier to operate at the gear 2 for t2, and entering the eighteen steps;
step nine: controlling the humidifier to operate at the gear 3 for t3, and entering the eighteen steps;
step ten: monitoring the weight values of the refrigerating chamber shelf and the drawer when the refrigerator is closed, and respectively recording as m1(i +1) and m2(i + 1); respectively calculating the weight change value delta m 1-m 1(i +1) -m1i of the shelf and the weight change value delta m 2-m 2(i +1) -m2i of the drawer, and adding the weight change values delta m 2-m 1-m 2 of the refrigerating chamber;
step eleven: comparing the magnitude of the Δ m with a first preset value m 1; judging that the delta m is larger than m1, if so, executing a step twelve; otherwise, executing step fourteen;
step twelve: comparing the magnitude of the Δ m with a first preset value m 2; judging that the delta m is larger than m2, if so, executing a step thirteen; otherwise, executing step fifteen;
step thirteen: comparing the magnitude of the Δ m with a first preset value m 3; judging that the delta m is larger than m3, if so, executing a seventeenth step; otherwise, step sixteen will be executed;
fourteen steps: controlling the humidifier to operate at the gear 1 for t1, and entering the eighteen steps;
step fifteen: controlling the humidifier to operate at the gear 2 for t2, and entering the eighteen steps;
sixthly, the steps are as follows: controlling the humidifier to operate at the gear 3 for t3, and entering the eighteen steps;
seventeen steps: controlling the humidifier to operate at the gear 4 for t4, and entering the eighteen steps;
eighteen steps: and when the refrigerator is opened, monitoring the opening time t for zero clearing, and operating the humidifier according to the original control rule.
Preferably, the numerical size relationship existing between m1, m2, m3 is m1< m2< m 3.
Preferably, there is a numerical magnitude relationship between t1, t2, t3, t4 of 0< t1< t2< t3< t 4.
Preferably, the gear 1, the gear 2, the gear 3 and the gear 4 are humidification intensities at different gears in the humidifier, and the humidification intensities of the humidifier have a size relationship as follows: gear 1< gear 2< gear 3< gear 4.
According to the moisture preservation control method, the gravity sensor and the humidifier are arranged in the refrigerating chamber of the refrigerator, the gravity sensor monitors the weight change value of food materials in the refrigerating chamber when the refrigerator is opened and closed, and the humidifier is controlled to work at different gears; according to the variable quantity of the weight of food materials put into the compartment, the working time and the working strength of the humidifier are intelligently adjusted, so that the humidity in the compartment is rapidly increased, and a better fresh-keeping effect is achieved; meanwhile, a refrigerator door opening timer is set, and when the door opening time reaches a preset value, a door opening alarm is prompted to prevent moisture from excessively losing;
wherein, according to the monitoring refrigerator when opening the door and when closing the door the material weight change value is eaten to the walk-in, when the weight change value is in the interval of difference, the work of intelligent adjustment humidifier with different gear control humidifiers to the indoor humidity of fast increase room.
Referring to fig. 2, a moisture retention control device includes:
the gravity sensor is used for monitoring the weight values of the refrigerating chamber shelf and the drawer when the refrigerator is opened and closed;
the timing unit is used for timing the door opening time t of the refrigerator;
the timing unit is also used for timing the humidifier opening time t1, t2, t3 and t 4;
the detection unit is used for detecting whether the refrigerator is in a door opening state or a door closing state;
the recording unit is used for recording data information m1i, m1(i +1), m2i and m2(i +1) collected by the gravity sensor when the refrigerator is in a switching node between a door opening state and a door closing state;
and the calculating unit is used for calculating the difference of the recording results m1i, m1(i +1), m2i and m2(i +1) to obtain:
Δ m1 ═ m1(i +1) -m1i and Δ m2 ═ m2(i +1) -m2 i;
the calculating unit is further used for accumulating the delta m1 and the delta m2 to obtain a refrigerating chamber weight change value delta m which is delta m1+ delta m 2;
the comparison unit is used for comparing the T with a preset value T in real time when the refrigerator is in a door opening state;
the comparison unit is also used for comparing the Δ m with preset values m1, m2 and m 3;
the control unit controls the operation gear and the operation time of the humidifier according to the judgment information of the comparison of the size of the comparison unit;
the control unit is also used for controlling the buzzer to give an alarm after the door opening time T of the refrigerator reaches T, and the buzzer sounds to prompt a user to close the door in time;
the control unit is also used for controlling the humidifier to operate according to the original control rule after the operating time of the humidifier reaches t1, t2, t3 and t4 on the set gear respectively;
wherein, the gravity sensor outputs the collected weight data information to the recording unit; the recording unit outputs the recorded weight data information to the control unit;
the timing unit outputs the door opening time t and the time data information of the refrigerator to the control unit; the detection unit outputs the state information of the refrigerator door to the control unit;
the control unit transmits weight data information recorded according to the state of the refrigerator door to the calculating unit; the calculating unit outputs the calculated weight data information to the comparing unit; the comparison unit outputs a comparison result to the control unit;
the control unit controls the operation gear and the operation time of the humidifier and the on or off of the buzzer.
Preferably, the weight sensors are provided at the bottom of the shelf and at the bottom of the drawer.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A moisture retention control method is characterized in that: comprises the following steps;
the method comprises the following steps: monitoring the weight values of the refrigerating chamber shelf and the drawer when the refrigerator is opened, and respectively recording as m1i and m2 i; monitoring the door opening time t and starting timing when the refrigerator opens the door;
step two: comparing the T with a preset value T in real time; judging T < T, if yes, no operation is performed, and entering the third step after the refrigerator door is closed; otherwise, the door opening alarm of the refrigerator gives an alarm to remind and prompt the user to close the door; closing the door opening alarm of the refrigerator after the refrigerator door is closed, and entering the step ten;
step three: monitoring the weight values of the refrigerating chamber shelf and the drawer when the refrigerator is closed, and respectively recording as m1(i +1) and m2(i + 1); respectively calculating the weight change value delta m 1-m 1(i +1) -m1i of the shelf and the weight change value delta m 2-m 2(i +1) -m2i of the drawer, and adding the weight change values delta m 2-m 1-m 2 of the refrigerating chamber;
step four: comparing the magnitude of the Δ m with a first preset value m 1; judging that the delta m is larger than m1, if so, executing a fifth step; otherwise, executing step eighteen;
step five: comparing the magnitude of the Δ m with a first preset value m 2; judging that the delta m is larger than m2, if so, executing a sixth step; otherwise, executing step seven;
step six: comparing the magnitude of the Δ m with a first preset value m 3; judging that the delta m is larger than m3, if so, executing a ninth step; otherwise, executing step eight;
step seven: controlling the humidifier to operate at the gear 1 for t1, and entering the eighteen steps;
step eight: controlling the humidifier to operate at the gear 2 for t2, and entering the eighteen steps;
step nine: controlling the humidifier to operate at the gear 3 for t3, and entering the eighteen steps;
step ten: monitoring the weight values of the refrigerating chamber shelf and the drawer when the refrigerator is closed, and respectively recording as m1(i +1) and m2(i + 1); and respectively calculating the weight change value delta m 1-m 1(i +1) -m1i of the shelf and the weight change value delta m 2-m 2(i +1) -m2i of the drawer, and adding the weight change values to obtain the weight change value of the refrigerating chamber
Δm＝Δm1+Δm2；
Step eleven: comparing the magnitude of the Δ m with a first preset value m 1; judging that the delta m is larger than m1, if so, executing a step twelve; otherwise, executing step fourteen;
step twelve: comparing the magnitude of the Δ m with a first preset value m 2; judging that the delta m is larger than m2, if so, executing a step thirteen; otherwise, executing step fifteen;
step thirteen: comparing the magnitude of the Δ m with a first preset value m 3; judging that the delta m is larger than m3, if so, executing a seventeenth step; otherwise, step sixteen will be executed;
fourteen steps: controlling the humidifier to operate at the gear 1 for t1, and entering the eighteen steps;
step fifteen: controlling the humidifier to operate at the gear 2 for t2, and entering the eighteen steps;
sixthly, the steps are as follows: controlling the humidifier to operate at the gear 3 for t3, and entering the eighteen steps;
seventeen steps: controlling the humidifier to operate at the gear 4 for t4, and entering the eighteen steps;
eighteen steps: and when the refrigerator is opened, monitoring the opening time t for zero clearing, and operating the humidifier according to the original control rule.
2. The moisture retention control method according to claim 1, wherein the relationship of the magnitudes of m1, m2 and m3 is m1< m2< m 3.
3. The moisture retention control method according to claim 1, wherein the value size relationship between t1, t2, t3 and t4 is 0< t1< t2< t3< t 4.
4. The moisture retention control method according to claim 1, wherein the gear 1, the gear 2, the gear 3, and the gear 4 are humidification intensities at different gears in a humidifier, and the humidification intensities of the humidifier have a size relationship of: gear 1< gear 2< gear 3< gear 4.
5. A moisture retention control device, comprising:
the gravity sensor is used for monitoring the weight values of the refrigerating chamber shelf and the drawer when the refrigerator is opened and closed;
the timing unit is used for timing the door opening time t of the refrigerator;
the timing unit is also used for timing the humidifier opening time t1, t2, t3 and t 4;
the detection unit is used for detecting whether the refrigerator is in a door opening state or a door closing state;
the recording unit is used for recording data information m1i, m1(i +1), m2i and m2(i +1) collected by the gravity sensor when the refrigerator is in a switching node between a door opening state and a door closing state;
a calculating unit, which calculates the difference value of the recording results m1i, m1(i +1), m2i and m2(i +1) to obtain:
Δ m1 ═ m1(i +1) -m1i and Δ m2 ═ m2(i +1) -m2 i;
the calculating unit is further used for accumulating the delta m1 and the delta m2 to obtain a refrigerating chamber weight change value delta m which is delta m1+ delta m 2;
the comparison unit is used for comparing the T with a preset value T in real time when the refrigerator is in a door opening state;
the comparison unit is also used for comparing the Δ m with preset values m1, m2 and m 3;
the control unit controls the operation gear and the operation time of the humidifier according to the judgment information of the comparison of the size of the comparison unit;
the control unit is also used for controlling the buzzer to give an alarm after the door opening time T of the refrigerator reaches T, and the buzzer sounds to prompt a user to close the door in time;
and the control unit is also used for controlling the humidifier to operate according to the original control rule after the operating time of the humidifier reaches t1, t2, t3 and t4 respectively at the set gear.
6. The moisture control apparatus of claim 1, wherein the weight sensors are disposed at the bottom of the shelf and the bottom of the drawer.
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| CN201910924701.7A CN110686448A (en) | 2019-09-27 | 2019-09-27 | Moisture preservation control method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111578600A (en) * | 2020-05-20 | 2020-08-25 | 长虹美菱股份有限公司 | Moisture preservation control method and device |
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