CN111854316B - Pressure balance control method for refrigerator - Google Patents
Pressure balance control method for refrigerator Download PDFInfo
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- CN111854316B CN111854316B CN201910343753.5A CN201910343753A CN111854316B CN 111854316 B CN111854316 B CN 111854316B CN 201910343753 A CN201910343753 A CN 201910343753A CN 111854316 B CN111854316 B CN 111854316B
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- ice
- refrigerator
- ice making
- control method
- door
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000002650 habitual effect Effects 0.000 claims description 5
- 238000013459 approach Methods 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- 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
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C1/00—Producing ice
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention provides a pressure balance control method of a refrigerator, the refrigerator comprises a compartment, a door body for opening or closing the compartment, a refrigerating system for providing cold energy for the compartment, an ice maker arranged on the door body and a control device for controlling the refrigerator to operate, the refrigerating system also comprises a refrigerating air path for transmitting the cold energy to the compartment, a refrigerating fan and a first air door arranged on the refrigerating air path, an ice making air path for transmitting the cold energy to the ice maker, an ice making fan and a second air door arranged on the ice making air path, the door body is provided with an ice outlet for taking ice and an ice outlet cover plate covering the ice outlet, and the control method comprises the following steps: s1, judging whether the refrigerator needs to be decompressed, if so, executing a step S2; s2, opening the first air door, the second air door and the ice outlet cover plate, and controlling the ice making fan to reversely rotate; and S3, controlling the ice making fan to stop reversing after the ice making fan reverses for a certain time t, and closing the ice outlet cover plate. The pressure inside and outside the refrigerator is balanced to facilitate opening the door without adding components.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a pressure balance control method of a refrigerator.
Background
Along with the promotion of economic level, the user is more and more high to the requirement of refrigerator, for the convenience of the user takes the ice-cube, current refrigerator sets up ice machine and ice outlet on the door body, thereby can open the apron on the door body, can directly take the ice-cube, however, because, in the ice-making working process, ice outlet cover plate is closed, the air door of ice machine wind path is opened and is made the ice-making wind path unblocked, then open the ice-making fan and lead the cold volume of refrigeration evaporimeter to the ice machine and realize ice-making, the cold volume conduction of box in to the ice machine department of the door body, make the cold volume of flow direction room reduce, also can have the air current to flow in the room simultaneously, cause the box internal pressure of refrigerator to reduce and form the negative pressure, and then cause the difficulty of opening the door. The existing refrigerator generally adopts two schemes to solve the technical problem, one scheme is to use an air pump to balance the pressure in a box body by controlling the air pump to irregularly pump external air so as to further realize the balance of internal and external pressure; and the other is to use a mechanical structure to assist in opening the door. However, the above method increases components of the refrigerator, which results in increased cost, and also has a possibility of reducing the storage space in the cabinet.
Therefore, there is a need to provide an improved pressure balance control method of a refrigerator to solve the above problems.
Disclosure of Invention
The invention aims to provide a pressure balance control method of a refrigerator, which is simple to operate.
In order to achieve the above object, the present invention provides a pressure balance control method for a refrigerator, the refrigerator including a compartment, a door for opening or closing the compartment, a refrigeration system for supplying cold to the compartment, an ice maker provided on the door, and a control device for controlling an operation of the refrigerator, the refrigerator further including a refrigeration air passage for transferring the cold to the compartment, a refrigeration fan and a first damper provided on the refrigeration air passage, an ice making air passage for transferring the cold to the ice maker, and an ice making fan and a second damper provided on the ice making air passage, the ice maker further including an ice outlet provided on the door for taking ice, and an ice outlet cover plate covering the ice outlet, the control method comprising: s1, judging whether the refrigerator needs to be decompressed, if so, executing a step S2; s2, opening the first air door, the second air door and the ice outlet cover plate, and controlling the ice making fan to reversely rotate; and S3, controlling the ice making fan to stop reversing after the ice making fan reverses for a certain time t, and closing the ice outlet cover plate.
As a further improvement of the present invention, the step of determining whether the refrigerator needs to be depressurized in step S1 includes the steps of: s11, judging whether the time from the last door opening is more than the time T1, if so, executing a step S2.
As a further improvement of the present invention, the step of determining whether the refrigerator needs to be depressurized in step S1 further includes the steps of: s10, judging whether the user approaches the refrigerator, if yes, executing a step S11; if not, executing the step S101; s101, the refrigerator control module searches the habit use time point T (x) of the user and judges whether the habit use time point T (x) is at the time T2 before the habit use time point T (x), if yes, the step S11 is executed.
As a further improvement of the present invention, in step S101, the method further includes the following steps: and if the current time is T2 before the habitual use time point T (x), opening the second air door, closing the ice outlet cover plate, and opening the ice making fan for T3 time to refrigerate the ice machine.
As a further improvement of the invention, T1 and T2 are 10 minutes and T3 is five minutes.
As a further improvement of the present invention, the control method further comprises the steps of: s4, judging whether the door body of the refrigerator is opened, if so, after a period of time T4 after the door of the refrigerator is closed, executing a step S5 to refrigerate the ice machine until the preset ice making temperature is reached; if not, executing step S5, and refrigerating the ice maker until the preset ice making temperature is reached.
As a further improvement of the present invention, the control method further comprises the steps of: and S5, opening the second air door, closing the ice outlet cover plate and opening the ice making fan for T5 time.
As a further improvement of the invention, T4 and T5 are 10 minutes.
As a further improvement of the present invention, the refrigerator further includes a sensor for sensing a relationship between a user and the refrigerator, wherein the sensor is a human sensor or a distance sensor, and in step S3, after a certain time t, the sensor determines whether the user leaves the refrigerator, and if so, the ice making fan is controlled to stop reversing and the ice outlet cover is closed.
As a further development of the invention, the time t is not more than 30 seconds.
The invention has the beneficial effects that: the refrigerator is provided with the ice maker on the door body, ice cubes are convenient to take, external air is extracted to enter the refrigerator through the reverse rotation of the ice making fan to balance internal and external pressures, so that the door body is opened in a time-saving and labor-saving manner.
Drawings
Fig. 1 is a flow chart of pressure balance control of a refrigerator according to the present invention.
Fig. 2 is a control flowchart of the refrigerator of the present invention.
Fig. 3 is a control flowchart of the refrigerator at T2 before the point of time when the user is used to the refrigerator.
Fig. 4 is a control flowchart of the refrigerator according to the opening and closing state of the door body.
Detailed Description
The invention will be described in detail hereinafter with reference to an embodiment shown in the drawings. These embodiments are not intended to limit the present invention, and structural and functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.
Referring to fig. 1, the refrigerator of the present invention includes a compartment, a door for opening or closing the compartment, a refrigeration system for providing cold to the compartment, an ice maker and a controller for controlling the operation of the refrigerator, a refrigeration air path for transferring the cold to the compartment, a refrigeration fan and a first damper provided on the refrigeration air path, an ice making air path for transferring the cold to the ice maker, and an ice making fan and a second damper provided on the ice making air path, wherein the ice making machine further includes an ice outlet provided on the door for taking ice and an ice outlet cover plate covering the ice outlet, and other refrigerator structures are all well known structures by those skilled in the art.
In the invention, the ice maker is arranged on the door body, so that when an ice making program is started, the ice outlet cover plate is closed, the second air door is opened to enable the ice making air passage to be smooth, and the ice making fan is opened to normally rotate so as to guide cold energy generated by the refrigeration system to the ice maker through the ice making air passage, thereby realizing ice making.
The pressure balance control method of the refrigerator comprises the following steps:
s1, judging whether the refrigerator needs to be decompressed, if so, executing a step S2;
s2, opening the first air door, the second air door and the ice outlet cover plate, and controlling the ice making fan to reversely rotate;
and S3, controlling the ice making fan to stop reversing after the ice making fan reverses for a certain time t, and closing the ice outlet cover plate.
The refrigerator door opening device has the advantages that the door opening device can realize the pressure balance between the inside and the outside of the refrigerator without adding an electric element or a structural device, does not increase the manufacturing cost and the quality control difficulty, is time-saving and labor-saving, is convenient and easy to operate, and has a good actual application effect.
In a preferred embodiment of the present invention, the time t is not greater than 30 seconds, that is, the duration of the inversion of the ice making fan is not greater than 30 seconds, so as to avoid the problem that the inversion time of the ice making fan is too short to achieve the effect of sucking external air to balance internal and external pressures, or the inversion time of the ice making fan is too long, which causes too much external air to be sucked and causes too large internal pressure, or the internal temperature is increased due to external heat, which causes too high temperature at the ice making machine and fails to reach the ice making temperature or melts the made ice.
In step S1, the step of determining whether the refrigerator needs to be depressurized includes the steps of:
s10, judging whether the user approaches the refrigerator, if yes, executing a step S11; if not, executing the step S101; s101, the refrigerator control module searches the habit use time point T (x) of the user and judges whether the habit use time point T (x) is at the time T2 before the habit use time point T (x), if yes, the step S11 is executed.
S11, judging whether the time from the last door opening is more than the time T1, if so, executing the step S2.
In step S101, the method further includes: and if the current time is T2 before the habitual use time point T (x), opening the second air door, closing the ice outlet cover plate, and opening the ice making fan for T3 time to refrigerate the ice machine.
In a preferred embodiment of the invention, T1, T2 are 10 minutes and T3 are five minutes.
The control device of the refrigerator is provided with an intelligent module, the refrigerator further comprises a sensor for sensing the relation between a user and the refrigerator, and the sensor can be a human sensor or a distance sensor to sense whether the user is close to the refrigerator and open the refrigerator, so that the time point when the user is used to the refrigerator at the using time point every day is recorded. And (3) opening a second air door 10 minutes before the refrigerator judges that the refrigerator is currently used at the habitual use time point t (x), closing the ice outlet cover plate, opening the ice making fan to normally rotate for 5 minutes, and refrigerating the ice machine, so that cold energy is provided for the ice machine, air brought in the pressure balance process is avoided, and the temperature in the ice machine is increased.
In step S3, after a certain time t, it is determined whether the user leaves the refrigerator through the sensor, if yes, the ice making fan is controlled to stop reversing, and the ice outlet cover plate is closed to end the pressure balancing process.
The pressure balance control method further includes the steps of:
s4, judging whether the door of the refrigerator is opened, if so, after a period of time T4 after the door of the refrigerator is closed, executing step S5 to refrigerate the ice maker until the preset ice making temperature is reached; if not, directly executing step S5 to refrigerate the ice machine until the preset ice making temperature is reached.
And S5, opening the second air door, closing the ice outlet cover plate and opening the ice making fan for T5 time.
In a preferred embodiment of the invention, T4, T5 are 10 minutes.
After the door body of the refrigerator is opened and closed for 10 minutes, the second air door is opened, the ice outlet cover plate is closed, the ice making fan is opened again to normally rotate for 10 minutes until the temperature of the ice making machine reaches the preset ice making temperature, and therefore a normal ice making program is started. If the door body of the refrigerator is not opened, the second air door can be directly opened, the ice outlet cover plate is closed, the ice making fan is opened again to normally rotate for 10 minutes until the temperature of the ice making machine reaches the preset ice making temperature, and therefore a normal ice making program is started.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (7)
1. A pressure balance control method of a refrigerator, the refrigerator comprises a compartment, a door body for opening or closing the compartment, a refrigerating system for providing cold energy for the compartment, an ice maker arranged on the door body and a control device for controlling the refrigerator to run, and is characterized in that: the refrigerating system also comprises a refrigerating air path for conveying cold energy to the compartment, a refrigerating fan and a first air door which are arranged on the refrigerating air path, an ice making air path for conducting the cold energy to the ice maker, and an ice making fan and a second air door which are arranged on the ice making air path, wherein the door body is provided with an ice outlet for taking ice and an ice outlet cover plate which covers the ice outlet, and the control method comprises the following steps:
s1, judging whether the refrigerator needs to be decompressed, if so, executing a step S2;
s2, opening the first air door, the second air door and the ice outlet cover plate, and controlling the ice making fan to reversely rotate;
s3, controlling the ice making fan to stop reversing after the ice making fan reverses for a certain time t, and closing the ice outlet cover plate;
wherein the step S1 of determining whether the refrigerator needs to be depressurized includes the following steps:
s10, judging whether the user approaches the refrigerator, if yes, executing a step S11; if not, executing the step S101; s101, the refrigerator control module retrieves an habitual use time point T (x) of a user, judges whether the current time is T2 time before the habitual use time point T (x), opens a second air door, closes an ice outlet cover plate, opens an ice making fan T3 time to refrigerate an ice maker and executes a step S11 if the current time is T2 time;
s11, judging whether the time from the last door opening is more than the time T1, if so, executing a step S2.
2. The pressure balance control method of the refrigerator according to claim 1, wherein: t1, T2 were 10 minutes, T3 were five minutes.
3. The pressure balance control method of the refrigerator according to claim 2, wherein: the control method further comprises the following steps: s4, judging whether the door body of the refrigerator is opened, if so, after a period of time T4 after the door of the refrigerator is closed, executing a step S5 to refrigerate the ice machine until the preset ice making temperature is reached; if not, executing step S5, and refrigerating the ice maker until the preset ice making temperature is reached.
4. The pressure balance control method of the refrigerator according to claim 3, wherein: the control method further comprises the following steps: and S5, opening the second air door, closing the ice outlet cover plate and opening the ice making fan for T5 time.
5. The pressure balance control method of the refrigerator according to claim 4, wherein: t4 and T5 were 10 minutes.
6. The pressure balance control method of the refrigerator according to claim 1, wherein: the refrigerator further comprises a sensor used for sensing the relation between a user and the refrigerator, the sensor is a human sensor or a distance sensor, in the step S3, after a certain time t, whether the user leaves the refrigerator or not is judged through the sensor, if yes, the ice making fan is controlled to stop reversing, and the ice outlet cover plate is closed.
7. The pressure balance control method of the refrigerator according to claim 1, wherein: the time t is not more than 30 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910343753.5A CN111854316B (en) | 2019-04-26 | 2019-04-26 | Pressure balance control method for refrigerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910343753.5A CN111854316B (en) | 2019-04-26 | 2019-04-26 | Pressure balance control method for refrigerator |
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| CN111854316A CN111854316A (en) | 2020-10-30 |
| CN111854316B true CN111854316B (en) | 2022-06-21 |
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| CN201910343753.5A Active CN111854316B (en) | 2019-04-26 | 2019-04-26 | Pressure balance control method for refrigerator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113758138B (en) * | 2021-09-24 | 2023-03-24 | Tcl家用电器（合肥）有限公司 | Control method of refrigerator |
| CN113776269B (en) * | 2021-09-24 | 2023-03-24 | Tcl家用电器（合肥）有限公司 | Control method of refrigerator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352243A (en) * | 2015-12-02 | 2016-02-24 | 六安索伊电器制造有限公司 | Structure for relieving negative pressure and freezing of freezing chamber of direct-cooling double-temperature refrigerator |
| US20180216867A1 (en) * | 2017-01-31 | 2018-08-02 | Haier Us Appliance Solutions, Inc. | Refrigerator appliance and method with reduced freezer door opening force |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100229649B1 (en) * | 1997-07-31 | 1999-11-15 | 윤종용 | Apparatus and method for controlling autoshutter of a ref. |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352243A (en) * | 2015-12-02 | 2016-02-24 | 六安索伊电器制造有限公司 | Structure for relieving negative pressure and freezing of freezing chamber of direct-cooling double-temperature refrigerator |
| US20180216867A1 (en) * | 2017-01-31 | 2018-08-02 | Haier Us Appliance Solutions, Inc. | Refrigerator appliance and method with reduced freezer door opening force |
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| CN111854316A (en) | 2020-10-30 |
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Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIER REFRIGERATOR Co.,Ltd. Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER REFRIGERATOR Co.,Ltd. Applicant before: QINGDAO HAIER JOINT STOCK Co.,Ltd. |
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