CN112066632A - Refrigerator fan control method - Google Patents
Refrigerator fan control method Download PDFInfo
- Publication number
- CN112066632A CN112066632A CN201910500628.0A CN201910500628A CN112066632A CN 112066632 A CN112066632 A CN 112066632A CN 201910500628 A CN201910500628 A CN 201910500628A CN 112066632 A CN112066632 A CN 112066632A
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- CN
- China
- Prior art keywords
- door body
- refrigerator
- state
- control method
- door
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000001704 evaporation Methods 0.000 claims abstract description 47
- 230000008020 evaporation Effects 0.000 claims abstract description 45
- 238000005057 refrigeration Methods 0.000 claims abstract description 5
- 239000011521 glass Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
Images
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
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/02—Sensors detecting door opening
Abstract
The invention provides a refrigerator fan control method, which comprises the following steps: detecting the opening and closing state of the door body, and controlling the refrigeration system to operate according to a preset program when the door body is closed if the current door body is in the closing state; if the current door body is in an open state, detecting the on-off state of the compressor; if the current compressor is in a starting state, controlling the evaporation fan to operate at a high speed, and when the door opening time exceeds a preset value, controlling the evaporation fan to operate at a low speed until the door body is closed; if the current compressor is in a shutdown state, the evaporation fan is controlled to run at a low speed, and when the door opening time exceeds a preset value, the whole system is controlled to run according to a preset program during door closing until the door body is closed. The refrigerator fan control method can effectively reduce the fluctuation of the temperature in the refrigerator, maintain the stable environment for storing articles inside and ensure the quality of the articles.
Description
Technical Field
The invention relates to a refrigerator fan control method.
Background
The existing air-cooled refrigerator stops rotating when the glass door is opened, a large amount of external hot air enters the refrigerator, the temperature rises relatively, and the quality of articles in the refrigerator is seriously influenced.
In view of the above, there is a need to improve the existing control method of the refrigerator fan to solve the above problems.
Disclosure of Invention
The invention aims to provide a refrigerator fan control method for preventing the temperature in a refrigerator from rising.
In order to achieve the aim, the invention provides a refrigerator fan control method which is characterized by comprising the following steps of:
detecting the opening and closing state of the door body, and controlling the refrigeration system to operate according to a preset program when the door body is closed if the current door body is in the closing state; if the current door body is in an open state, detecting the on-off state of the compressor;
if the current compressor is in a starting state, controlling the evaporation fan to operate at a high speed, and when the door opening time exceeds a preset value, controlling the evaporation fan to operate at a low speed until the door body is closed;
if the current compressor is in a shutdown state, the evaporation fan is controlled to run at a low speed, and when the door opening time exceeds a preset value, the whole system is controlled to run according to a preset program during door closing until the door body is closed.
As a further improvement of the invention, the duty ratio is 80-100% when the evaporation fan runs at high speed, and the duty ratio is 40-60% when the evaporation fan runs at low speed.
As a further improvement of the invention, the accumulated door opening time of the door body is recorded when the door body is opened.
As a further improvement of the invention, the preset value of the door opening time is 6-8 min.
As a further improvement of the invention, the low-speed running wind speed of the evaporation fan when the compressor is in the starting state is equal to the low-speed running wind speed of the evaporation fan when the compressor is in the shutdown state.
As a further improvement of the invention, the refrigerator comprises a magnetic sensor for monitoring the opening and closing states of the door body.
As a further improvement of the invention, the refrigerator is an air-cooled refrigerator and comprises a storage chamber and the refrigerating system for providing cold air for the storage chamber.
As a further improvement of the invention, the refrigerator is provided with air supply at the upper side and air return at the lower side of the storage compartment.
The invention has the beneficial effects that: the refrigerator fan control method controls the evaporation fan to operate according to a certain logic by judging the opening and closing state of the door body and the opening and closing state of the compressor, thereby avoiding the rapid rise of the temperature in the refrigerator, reducing the fluctuation of the temperature in the refrigerator, maintaining the stable environment of the stored articles inside and ensuring the quality of the articles.
Drawings
Fig. 1 is a schematic view of the internal structure of the refrigerator of the present invention.
Fig. 2 is a flow chart of a refrigerator fan control method according to the present invention.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. The present invention is not limited to the embodiment, and structural, methodological, or functional changes made by one of ordinary skill in the art according to the embodiment are included in the scope of the present invention.
Referring to fig. 1 and 2, a fan control method for a refrigerator according to the present invention is shown, wherein an X-axis is defined as a front-back direction, a Y-axis is defined as a left-right direction (also referred to as a transverse direction), and a Z-axis is defined as an up-down direction, the refrigerator is an air-cooled refrigerator, the refrigerator includes a magnetic sensor for monitoring an open/close state of a door, a door mechanism of the refrigerator is a push-pull glass door, the door mechanism includes an upper glass plate and a lower glass plate which can horizontally slide, the two glass plates have the same structure and size, and generally, when the refrigerator is opened, only one of the glass plates is horizontally moved while the other one is.
Please refer to fig. 1, the freezer includes a storage compartment 1 and a refrigerating system for providing cold air to the storage compartment 1, the refrigerating system specifically includes an evaporator 2, an evaporation fan 3, an air outlet channel 4, an air outlet 5, an air return inlet 6 and an air return channel 7, the evaporation fan 3 and the evaporator 2 are located on the right side of the storage compartment 1, the air outlet channel 4 and the air return channel 7 are respectively located on the upper side and the lower side of the storage compartment 1 and are respectively communicated with the evaporation compartment, the freezer is in the upper side air outlet and the lower side air return of the storage compartment 1, and when the door body is opened, the air outlet 5 forms an air curtain to isolate the external temperature.
Fig. 2 is a schematic flow chart of a refrigerator fan control method according to the present invention, which includes the following steps:
the method comprises the steps that firstly, the opening and closing state of a door body is detected, if the door body is in the closing state at present, the refrigeration system is controlled to operate according to a preset program during door closing, and if the door body is in the opening state at present, the opening and closing state of a compressor is judged;
when the door body is opened, the accumulated door opening time of the door body is recorded, so that the door body opening time can be accurately calculated, the rotating speed of the evaporation fan can be adjusted more timely in the operation of a subsequent system, and the normal operation of the refrigerator is ensured.
Secondly, if the current compressor is in a starting state, controlling the evaporation fan 3 to operate at a high speed, and when the door opening time exceeds a preset value, controlling the evaporation fan 3 to operate at a low speed until the door body is closed; if the current compressor is in a shutdown state, the evaporation fan 3 is controlled to run at a low speed, and when the door opening time exceeds a preset value, the whole system is controlled to run according to a preset program during door closing until the door body is closed.
When the evaporation fan 3 operates at a high speed, the duty ratio is 80% to 100%, when the evaporation fan 3 operates at a low speed, the duty ratio is 40% to 60%, it should be explained that the duty ratio is the ratio of the current operating rotation speed of the evaporation fan 3 to the maximum rotation speed thereof, that is, when the evaporation fan 3 operates at a high speed, the duty ratio is 80% to 100%, the rotation speed of the evaporation fan 3 is 80% to 100% of the maximum wind speed, and when the evaporation fan 3 operates at a low speed, the rotation speed of the evaporation fan 3 is 40% to 60% of the maximum wind speed.
In this embodiment, when the compressor is the on state, the preferred 100% duty cycle when the high-speed operation of evaporation fan 3, this is because it is higher to represent the inside temperature of freezer when the compressor is in the on state, and the door body is in the open mode simultaneously, and external temperature is great to the inside interference of freezer, evaporation fan 3 is with the maximum rotational speed operation, can not only reduce the inside temperature of freezer fast, simultaneously the air curtain that evaporation fan 3 produced when moving with maximum speed is best to the isolation effect of external world, and external temperature is minimum to the temperature interference in the freezer promptly.
In this embodiment, the preset value of the door opening time is 6-8 min, preferably 7min, because when the door body is opened and exceeds the preset value, no matter whether the compressor operates, no matter whether the evaporation fan 3 operates at a high speed or at a low speed, the external temperature is enough to disturb the temperature inside the refrigerator to a great extent, and further the quality of the articles in the refrigerator is influenced.
When the time of opening the door exceeded 7min and the compressor was the on state, the preferred 50% duty cycle when 3 low-speed operations of evaporating fan and low-speed operation, this because when the time of opening the door exceeded 7min, even the air curtain exists, but the inside temperature of freezer still can rise, if let this moment again evaporating fan 3 keeps the maximum rotational speed operation, in a large amount of damp and hot air in the freezer can get into the evaporation chamber through return air inlet 6 to cause evaporimeter 2 to frost seriously, and then influence refrigeration efficiency. Therefore, the frosting of the evaporator 2 is reduced by reducing the rotating speed of the evaporation fan 3, meanwhile, the air curtain of the evaporation fan 3 can still isolate the outside temperature, and the energy consumption can be further reduced by reducing the rotating speed of the evaporation fan 3.
In this embodiment, when the compressor is in the shutdown state, control this moment the duty cycle when 3 low-speed operations of evaporation fan and low-speed operation is preferred 50%, this is because it is lower to represent freezer inside temperature when the compressor is in the shutdown state, need not this moment 3 high-speed operations of evaporation fan, only need the low-speed operation produce the air curtain keep apart the interference of ambient temperature to freezer inside temperature can, when the time of opening the door exceeds 7min, even there is the isolation effect of air curtain, but long-time state of opening the door still can make the inside temperature rise of freezer to influence article quality, consequently, need control entire system and reduce the temperature in the freezer according to the predetermined procedure operation when closing the door until the door body closes.
The low-speed running wind speed of the evaporation fan 3 when the compressor is in the on state is equal to the low-speed running wind speed of the evaporation fan 3 when the compressor is in the off state.
In conclusion, the refrigerator fan control method controls the evaporation fan 3 to operate according to different rotating speeds according to the door opening time by judging the opening and closing state of the door body and the opening and closing state of the compressor, so that the temperature in the refrigerator is prevented from rapidly rising, the fluctuation of the temperature in the refrigerator is reduced, the environment for storing articles inside is maintained to be stable, and the quality of the articles is ensured.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.
Claims (8)
1. A refrigerator fan control method is characterized by comprising the following steps:
detecting the opening and closing state of the door body, and controlling the refrigeration system to operate according to a preset program when the door body is closed if the current door body is in the closing state; if the current door body is in an open state, detecting the on-off state of the compressor;
if the current compressor is in a starting state, controlling the evaporation fan to operate at a high speed, and when the door opening time exceeds a preset value, controlling the evaporation fan to operate at a low speed until the door body is closed;
if the current compressor is in a shutdown state, the evaporation fan is controlled to run at a low speed, and when the door opening time exceeds a preset value, the whole system is controlled to run according to a preset program during door closing until the door body is closed.
2. The freezer fan control method of claim 1, wherein: when the evaporation fan operates at a high speed, the duty ratio is 80-100%, and when the evaporation fan operates at a low speed, the duty ratio is 40-60%.
3. The freezer fan control method of claim 1, wherein: and when the door body is opened, the accumulated door opening time of the door body is recorded.
4. The freezer fan control method of claim 1, wherein: the preset value of the door opening time is 6-8 min.
5. The freezer fan control method of claim 1, wherein: the low-speed running wind speed of the evaporation fan when the compressor is in the starting state is equal to the low-speed running wind speed of the evaporation fan when the compressor is in the shutdown state.
6. The freezer fan control method of claim 1, wherein: the freezer includes the magnetic sensor who monitors door body open and close state.
7. The refrigerator fan control method of claim 1, wherein the refrigerator is an air-cooled refrigerator and comprises a storage compartment and the refrigerating system for providing cold air to the storage compartment.
8. The refrigerator fan control method of claim 1, wherein the refrigerator is provided with air supply at the upper side and air return at the lower side of the storage compartment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910500628.0A CN112066632A (en) | 2019-06-11 | 2019-06-11 | Refrigerator fan control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910500628.0A CN112066632A (en) | 2019-06-11 | 2019-06-11 | Refrigerator fan control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112066632A true CN112066632A (en) | 2020-12-11 |
Family
ID=73658037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910500628.0A Pending CN112066632A (en) | 2019-06-11 | 2019-06-11 | Refrigerator fan control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112066632A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113693403A (en) * | 2021-08-24 | 2021-11-26 | 珠海格力电器股份有限公司 | Closed refrigeration display cabinet control method and device and closed refrigeration display cabinet |
| CN115371330A (en) * | 2021-11-26 | 2022-11-22 | 青岛海尔生物医疗股份有限公司 | Control method of refrigeration equipment |
| CN115978888A (en) * | 2023-03-20 | 2023-04-18 | 合肥美的电冰箱有限公司 | Control method and control system of refrigeration equipment and refrigeration equipment |
| WO2023061308A1 (en) * | 2021-10-14 | 2023-04-20 | 青岛海尔电冰箱有限公司 | Refrigerator |
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| CN1186211A (en) * | 1996-12-16 | 1998-07-01 | 三星电子株式会社 | Cool air exhaling apparatus in enforced circulation type refrigerator and control method thereof |
| CN1187611A (en) * | 1996-12-27 | 1998-07-15 | 大宇电子株式会社 | Method and apparatus for controlling driving of air curtain fan |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113693403A (en) * | 2021-08-24 | 2021-11-26 | 珠海格力电器股份有限公司 | Closed refrigeration display cabinet control method and device and closed refrigeration display cabinet |
| CN113693403B (en) * | 2021-08-24 | 2022-07-22 | 珠海格力电器股份有限公司 | Closed refrigeration display cabinet control method and device and closed refrigeration display cabinet |
| WO2023061308A1 (en) * | 2021-10-14 | 2023-04-20 | 青岛海尔电冰箱有限公司 | Refrigerator |
| CN115371330A (en) * | 2021-11-26 | 2022-11-22 | 青岛海尔生物医疗股份有限公司 | Control method of refrigeration equipment |
| CN115371330B (en) * | 2021-11-26 | 2024-01-12 | 青岛海尔生物医疗股份有限公司 | Control method of refrigeration equipment |
| CN115978888A (en) * | 2023-03-20 | 2023-04-18 | 合肥美的电冰箱有限公司 | Control method and control system of refrigeration equipment and refrigeration equipment |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201211 |
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| RJ01 | Rejection of invention patent application after publication |