CN107782044B - Refrigerator and anti-condensation control method thereof - Google Patents
Refrigerator and anti-condensation control method thereof Download PDFInfo
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- CN107782044B CN107782044B CN201711001939.XA CN201711001939A CN107782044B CN 107782044 B CN107782044 B CN 107782044B CN 201711001939 A CN201711001939 A CN 201711001939A CN 107782044 B CN107782044 B CN 107782044B
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- refrigerator
- air
- air outlet
- fan
- side plate
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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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/04—Preventing the formation of frost or condensate
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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
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/02—Sensors detecting door opening
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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
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/14—Sensors measuring the temperature outside the refrigerator or freezer
Abstract
The invention provides a refrigerator and an anti-condensation control method thereof, the refrigerator comprises a refrigerator body, a door body connected on the refrigerator body, a fan module arranged at the top of the refrigerator body, and a control module for controlling the operation of the fan module, wherein the fan module comprises an air inlet communicated with the outside, a fan and an air guide unit, the air guide unit comprises an air outlet and an air guide pipe, the air outlet is opened towards at least part of the outer surface of the door body and at least part of the outer surface of the refrigerator body, the air guide pipe is communicated with the fan and the air outlet, the heat exchange between the air around the refrigerator and the outer surface of the refrigerator is accelerated, the temperature of the outer surface of the refrigerator is close to the temperature of the surrounding environment, compared with the prior scheme that the temperature of the surface of the refrigerator is improved by using a heating wire or a condenser, the anti-condensation control method can, the energy consumption of the refrigerator is reduced.
Description
Technical Field
The invention relates to the field of refrigerators, in particular to an anti-condensation refrigerator and an anti-condensation control method thereof.
Background
The existing refrigerator improves the temperature of the surface of the refrigerator through a condenser or a heating wire to prevent condensation, but in the process of improving the temperature of the surface of the refrigerator, part of heat can be inevitably emitted into the refrigerator, so that the heat load of the refrigerator is increased, and the energy consumption of the refrigerator is increased due to the increase of the working load of the refrigerator.
In view of the above, it is desirable to provide an improved refrigerator and an anti-condensation control method thereof to solve the above problems.
Disclosure of Invention
The invention aims to provide a refrigerator which can effectively prevent condensation, does not disturb the operation in the refrigerator and has low energy consumption.
In order to achieve the purpose, the invention provides a refrigerator, which comprises a refrigerator body, a door body connected to the refrigerator body, a fan module arranged at the top of the refrigerator body, and a control module for controlling the fan module to operate, wherein the fan module comprises an air inlet communicated with the outside, a fan and an air guide unit, the air guide unit comprises an air outlet and an air guide pipe, the air outlet is opened towards at least part of the outer surface of the door body and at least part of the outer surface of the refrigerator body, and the air guide pipe is communicated with the fan and the air outlet.
As a further improvement of the invention, the box body comprises a left side plate, a right side plate and a rear side plate; the air outlet comprises a first air outlet opening towards the door body and a second air outlet opening towards at least one of the left side plate, the right side plate and the rear side plate.
As a further improvement of the present invention, the air guiding unit further includes an electronic damper electrically connected to the control module and covering or opening the first air outlet, and the refrigerator further includes a switch sensor for sensing opening or closing of the door.
As a further improvement of the invention, the refrigerator further comprises an installation space between any two adjacent air guide pipes, and a shell which is connected to the tops of the adjacent air guide pipes and shields the installation space; or the refrigerator also comprises an upper cover arranged at the top of the fan module, and the upper cover is provided with a vent hole communicated with the air inlet and a hole for the air outlet of the air guide unit to protrude out of the upper cover.
As a further improvement of the present invention, the refrigerator further includes a temperature and humidity sensor for sensing an ambient temperature and humidity of an environment in which the refrigerator is located.
As a further improvement of the present invention, the air guide unit further includes a guide plate located at the air outlet.
As a further improvement of the present invention, the fan module further includes a drying module located between the air inlet and the air outlet.
In order to achieve the above object, the present invention further provides an anti-condensation control method for the refrigerator, including the steps of: and starting the fan, and guiding the air around the refrigerator to at least part of the outer surface of the door body and at least part of the outer surface of the refrigerator body.
As a further improvement of the present invention, the refrigerator further comprises a temperature and humidity sensor for sensing an ambient temperature and humidity of an environment where the refrigerator is located; the anti-condensation control method further comprises the following steps: before starting the fans, presetting fan rotating speeds corresponding to different environment temperatures and different humidities of the environment where the refrigerator is located in a one-to-one mode in the control module; the temperature and humidity sensor senses the environment temperature and humidity of the environment where the refrigerator is located and sends the environment temperature and humidity to the control module, and the control module selects the corresponding fan rotating speed according to the environment temperature and humidity and starts the fan.
As a further improvement of the invention, the box body comprises a left side plate, a right side plate and a rear side plate; the air outlet comprises a first air outlet opening towards the door body and a second air outlet opening towards at least one of the left side plate, the right side plate and the rear side plate; the air guide unit further comprises an electronic air door which shields or opens the first air outlet and is electrically connected with the control module, and the refrigerator further comprises a switch sensor which senses the opening or closing of the door body; the anti-condensation control method further comprises the following steps: after the fan is started, the switch sensor sends a switch signal of the door body to the control module, and when the door body is opened, the control module controls the electronic air door to shield the first air outlet.
The invention has the beneficial effects that: according to the refrigerator, the fan module is additionally arranged at the top of the refrigerator, the fan module accelerates the air around the refrigerator and blows the accelerated air to the outer surface of the refrigerator, the convection heat transfer coefficient of the outer surface of the refrigerator is increased, the heat exchange between the air around the refrigerator and the outer surface of the refrigerator is accelerated, the temperature of the outer surface of the refrigerator is close to the temperature of the surrounding environment, and condensation is avoided; even if condensation occurs, the fan module can not only increase the temperature, but also accelerate the gas flow velocity on the surface of the condensation, and simultaneously blow off the condensation to increase the liquid surface area of the condensation, so that the condensation can be quickly dried.
Drawings
FIG. 1 is a schematic structural view of a refrigerator according to the present invention;
FIG. 2 is a right side view of the refrigerator shown in FIG. 1;
FIG. 3 is a top plan view of the refrigerator shown in FIG. 1;
FIG. 4 is a sectional view of the air guide opening of the refrigerator shown in FIG. 3 taken along the direction A-A;
FIG. 5 is a schematic structural diagram of a first embodiment of a refrigerator according to the present invention;
fig. 6 is a schematic structural diagram of a second embodiment of the refrigerator according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 6, the refrigerator 100 of the present invention includes a refrigerator body 1, a door 2 connected to the refrigerator body 1, a blower module 3 located at the top of the refrigerator body 1, a control module (not shown) for controlling the blower module 3 to operate, a switch sensor (not shown) for sensing the opening or closing of the door 2, and a temperature and humidity sensor (not shown) for sensing the environment temperature and humidity of the environment where the refrigerator 100 is located.
The refrigerator body 1 comprises a left side plate 11, a right side plate 12 and a rear side plate 13 which are used for enclosing to form a storage space, and the door body 2 is pivoted on the left side plate 11 or the right side plate 12.
Referring to fig. 2 and 3, the fan template 3 includes an air inlet 31 communicated with the outside, a fan (not shown), and an air guiding unit (not labeled), wherein an air volume of the air guiding unit is controlled by the control module, and specifically, a rotation speed of the fan is controlled by the control module according to the environmental temperature and humidity measured by the temperature and humidity sensor. The fan accelerates the air entering from the air inlet 31 and blows the air to the outer surface of the refrigerator 100 through the air guide unit, so that the convection heat exchange coefficient of the outer surface of the refrigerator 100 is increased, the heat exchange between the air around the refrigerator and the outer surface of the refrigerator is accelerated, the temperature of the outer surface of the refrigerator is close to the temperature of the ambient environment, condensation is avoided, and because the heat exchange is performed outside the refrigerator 100 and the heat comes from the air around the refrigerator, no surplus heat exists, the increase of the heat load of the refrigerator caused by the fact that the surplus heat enters the inside of the refrigerator 100 when the temperature of the outer surface of the refrigerator 100 is increased is effectively prevented, the refrigerating and/or freezing effect of the refrigerator 100 is ensured, and the energy consumption of the. In practical applications, if the refrigerator 100 is in an environment where the temperature and/or humidity are/is rapidly changed, after condensation is generated on the outer surface of the refrigerator 100 in the process of preparation of the fan, the temperature can be increased after the fan stably operates, the gas flow rate on the surface of the condensation can be accelerated, and meanwhile, the condensation can be blown away to increase the liquid surface area of the condensation, so that the condensation can be rapidly dried.
The air guide unit comprises an air outlet 33 and an air guide pipe 32, wherein the air outlet 33 faces at least part of the outer surface of the door body 2 and at least part of the outer surface of the box body 1 and is open, and the air guide pipe is communicated with the fan and the air outlet 33. An air guide channel for communicating the air outlet side of the fan with the air outlet 33 is arranged in the air guide pipe 32, and the air guide pipe 32 can be in any shape and structure. The air guide unit further comprises a guide plate 333 positioned at the air outlet 33, and the guide plate 333 is obliquely arranged to blow accelerated gas more uniformly to the door body 2 and at least part of the outer surface of the box body 1. The air outlet 33 is preferably blown to a position where condensation is more likely to occur.
The outlet 33 includes a first outlet 331 opened toward the door body 2, and a second outlet 332 opened toward at least one of the left and right side plates 11, 12 and the rear side plate 13. In this embodiment, the number of the second air outlets 332 is three, and the three second air outlets 332 are respectively opened toward the left side plate 11, the right side plate 12, and the rear side plate 13, so as to completely prevent the condensation from being generated on the peripheral side surfaces of the refrigerator 100. In other embodiments, the air outlet 33 may be directed only toward the outer surface where condensation is more common or more likely to occur in the actual application of the refrigerator 100.
The air guide unit further comprises an electronic air door (not shown in the figure) which is used for shielding or opening the first air outlet 331 and electrically connected with the control module, the electronic air door is used for controlling the electronic air door to shield or open the first air outlet 331 according to the rotating speed of the fan and the signal measured by the switch sensor, when the rotating speed of the fan is not zero, the door body is opened, the electronic air door shields the first air outlet 331, the situation that after the door body 2 is opened, external air enters the storage space rapidly and in a large quantity is avoided, the cold storage or freezing condition in the storage space is rapidly destroyed, and the cold storage or freezing effect of the storage space on food is influenced is achieved.
The blower module 3 further includes a drying module located between the air inlet 31 and the air outlet 33, so as to reduce the humidity of the air blown to the outer surface of the refrigerator 100 and prevent the water vapor in the accelerated air from generating condensation on the outer surface of the refrigerator 100.
Referring to fig. 5, in an embodiment, the refrigerator 100 further includes an installation space between any two adjacent air guide pipes 32, and a casing 4 connected to the tops of the adjacent air guide pipes 32 and shielding the installation space. The installation space can be used for installing remote control elements such as a main control panel, WIFI (wireless fidelity), Bluetooth and the like and other elements which are not required to be installed inside the refrigerator, and the space occupying the space inside the refrigerator body or the space occupying a foaming layer can be avoided. The shell 4 is detachably mounted on the top of the air guide pipe 32, and when components mounted in the mounting space are damaged, the maintenance and the overhaul of operators are facilitated.
Referring to fig. 6, in another embodiment, the refrigerator 100 further includes an upper cover 5 mounted on the top of the blower module, and the upper cover 5 is provided with a vent hole (not shown) communicated with the air inlet 31 and a hole 51 for the air outlet 33 of the air guiding unit to protrude out of the upper cover 5. When the upper cover 5 is installed on the refrigerator 100, most of the structure of the fan module 3 is shielded, the appearance of the refrigerator 100 is improved, an installation space is formed between the upper cover 5 and the top of the refrigerator body 1, the air guide pipe 32 is located in the installation space, the installation space can also be used for installing components such as a main control board and a remote control element which are not necessarily installed in the refrigerator, and the space in the refrigerator body or the space of a foaming layer can be prevented from being occupied.
In addition, the refrigerator 100 of the present invention may be a side by side refrigerator, and the air outlet 33 is preferably blown to a vertical beam position where condensation is more likely to occur.
The present invention also includes an anti-condensation control method applied to the above-described refrigerator 100, including the steps of: and starting the fan, and guiding the air around the refrigerator to at least part of the outer surface of the door body and at least part of the outer surface of the refrigerator body. After the fan is started, the rotating speed of the fan is larger than zero, the fan accelerates the air entering from the air inlet 31 and blows the air to at least part of the outer surface of the door body and at least part of the outer surface of the refrigerator body through the air guide unit, the convection heat exchange coefficient is increased, the heat exchange between the air around the refrigerator and at least part of the outer surface of the door body and at least part of the outer surface of the refrigerator body is accelerated, the temperature of the air is close to the temperature of the surrounding environment, condensation is avoided, and because the heat exchange is carried out outside the refrigerator 100 and the heat comes from the air around the refrigerator 100 without surplus heat, the increase of the heat load of the refrigerator caused by the fact that the surplus heat enters the inside of the refrigerator 100 when the temperature of the outer surface of the refrigerator 100 is increased is effectively prevented, the refrigerating and/or. In practical applications, if the refrigerator 100 is in an environment where the temperature and/or humidity are/is rapidly changed, after condensation is generated on the outer surface of the refrigerator 100 in the process of preparation of the fan, the temperature can be increased after the fan stably operates, the gas flow rate on the surface of the condensation can be accelerated, and meanwhile, the condensation can be blown away to increase the liquid surface area of the condensation, so that the condensation can be rapidly dried.
The anti-condensation control method further comprises the following steps: before starting the fans, presetting fan rotating speeds corresponding to different environment temperatures and different humidities of the environment where the refrigerator is located in a one-to-one mode in the control module; the temperature and humidity sensor senses the environment temperature and humidity of the environment where the refrigerator is located and sends the environment temperature and humidity to the control module, and the control module selects the corresponding fan rotating speed according to the environment temperature and humidity and starts the fan.
Specifically, the fan rotation speeds corresponding to different environment temperatures and different humidities of the refrigerator are as follows:
wherein the rotating speed is more than 0 and more than a and more than b and more than c and d. In this embodiment, the humidity of the environment where the refrigerator 100 is located sensed by the temperature and humidity sensor is the relative humidity. The control method enables the fan to operate only under the condition that the environmental temperature and the humidity reach a certain value, so that condensation is prevented, intelligent control is realized, and unnecessary energy waste is reduced.
The anti-condensation control method further comprises the following steps: after the fan started, after the fan rotational speed was not zero promptly, switch sensor sent the switch signal of the door body for control module, works as when the door body was opened, control module control the electronic air door shields first air outlet avoids the door body 2 is opened the back, and the quick a large amount of storage space that gets into of external air destroys the cold-stored or freezing condition in the storage space rapidly, influences the cold-stored or freezing effect of storage space to food.
In summary, according to the present invention, the blower module 3 is additionally disposed at the top of the refrigerator 100, and the blower module 3 accelerates the air around the refrigerator 100 and blows the accelerated air to the outer surface of the refrigerator 100, so as to increase the heat convection coefficient of the outer surface of the refrigerator 100, and accelerate the heat exchange between the air around the refrigerator 100 and the outer surface of the refrigerator 100, so that the temperature of the outer surface of the refrigerator 100 is close to the temperature of the surrounding environment, and compared with the existing scheme of using a heating wire or a condenser to increase the temperature of the surface of the refrigerator to prevent condensation, condensation is avoided, and since the heat exchange is performed outside the refrigerator 100 and surplus heat is avoided being added to the surface of the refrigerator 100, the surplus heat is effectively prevented from entering the inside of the refrigerator 100 when the temperature of the outer surface of the refrigerator 100 is increased; even if condensation occurs, the fan module 3 can not only increase the temperature, but also accelerate the gas flow velocity on the surface of the condensation, and simultaneously blow off the condensation to increase the liquid surface area of the condensation, so that the condensation can be quickly dried.
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 (5)
1. The utility model provides a refrigerator, includes the box, connect in door body on the box, its characterized in that: the refrigerator also comprises a fan module arranged at the top of the refrigerator body and a control module for controlling the fan module to operate, wherein the fan module comprises an air inlet communicated with the outside, a fan and an air guide unit, the air guide unit comprises an air outlet and an air guide pipe, the air outlet is opened towards at least part of the outer surface of the door body and at least part of the outer surface of the refrigerator body, and the air guide pipe is communicated with the fan and the air outlet;
the box body comprises a left side plate, a right side plate and a rear side plate; the air outlet comprises a first air outlet opening towards the door body and a second air outlet opening towards at least one of the left side plate, the right side plate and the rear side plate;
the air guide unit further comprises an electronic air door which shields or opens the first air outlet and is electrically connected with the control module, and the refrigerator further comprises a switch sensor which senses the opening or closing of the door body;
the refrigerator also comprises a temperature and humidity sensor for sensing the environment temperature and humidity of the environment where the refrigerator is located, and the temperature and humidity sensor is electrically connected with the control module.
2. The refrigerator according to claim 1, wherein: the refrigerator also comprises an installation space positioned between any two adjacent air guide pipes and a shell which is connected to the tops of the adjacent air guide pipes and shields the installation space; or the refrigerator also comprises an upper cover arranged at the top of the fan module, and the upper cover is provided with a vent hole communicated with the air inlet and a hole for the air outlet of the air guide unit to protrude out of the upper cover.
3. The refrigerator according to claim 1, wherein: the air guide unit further comprises a guide plate positioned at the air outlet.
4. The refrigerator according to claim 1, wherein: the fan module further comprises a drying module located between the air inlet and the air outlet.
5. An anti-condensation control method for the refrigerator of claim 1, characterized in that: the box body comprises a left side plate, a right side plate and a rear side plate; the air outlet comprises a first air outlet opening towards the door body and a second air outlet opening towards at least one of the left side plate, the right side plate and the rear side plate; the air guide unit further comprises an electronic air door which shields or opens the first air outlet and is electrically connected with the control module, and the refrigerator further comprises a switch sensor which senses the opening or closing of the door body; the refrigerator also comprises a temperature and humidity sensor for sensing the environment temperature and humidity of the environment where the refrigerator is located;
the anti-condensation control method comprises the following steps: starting a fan, and guiding air around the refrigerator to at least part of the outer surface of the door body and at least part of the outer surface of the refrigerator body;
before starting the fans, presetting fan rotating speeds corresponding to different environment temperatures and different humidities of the environment where the refrigerator is located in a one-to-one mode in the control module; the temperature and humidity sensor senses the environment temperature and humidity of the environment where the refrigerator is located and sends the environment temperature and humidity to the control module, and the control module selects the corresponding fan rotating speed according to the environment temperature and humidity and starts the fan;
after the fan is started, the switch sensor sends a switch signal of the door body to the control module, and when the door body is opened, the control module controls the electronic air door to shield the first air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711001939.XA CN107782044B (en) | 2017-10-24 | 2017-10-24 | Refrigerator and anti-condensation control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711001939.XA CN107782044B (en) | 2017-10-24 | 2017-10-24 | Refrigerator and anti-condensation control method thereof |
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| Publication Number | Publication Date |
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| CN107782044A CN107782044A (en) | 2018-03-09 |
| CN107782044B true CN107782044B (en) | 2020-09-29 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955043B (en) * | 2018-08-10 | 2020-05-26 | 合肥美科制冷技术有限公司 | Anti-condensation device for side-by-side combination refrigerator |
| CN111197900A (en) * | 2020-03-10 | 2020-05-26 | 合肥华凌股份有限公司 | Refrigeration equipment and control method and device thereof |
| CN113915930B (en) * | 2020-07-08 | 2022-10-28 | 青岛海尔电冰箱有限公司 | Control method for refrigerating and freezing device and refrigerating and freezing device |
| CN117220142B (en) * | 2023-09-01 | 2024-04-09 | 安徽富煌电力装备科技有限公司 | Active air supply type salt fog resistant photovoltaic grid-connected cabinet |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10153376A (en) * | 1996-11-22 | 1998-06-09 | Matsushita Refrig Co Ltd | Refrigerator |
| CN2663886Y (en) * | 2003-07-12 | 2004-12-15 | 青岛海尔开利冷冻设备有限公司 | A refrigerator capable of preventing glass door from dew condensation effectively |
| CN102419057A (en) * | 2011-12-28 | 2012-04-18 | 林勇 | Top-blowing anti-condensation refrigerator |
| CN202567330U (en) * | 2012-05-14 | 2012-12-05 | 深圳市科冷商用设备有限公司 | Refrigerator capable of preventing glass door from dewing |
| CN107228522B (en) * | 2017-07-01 | 2019-08-02 | 青岛海尔股份有限公司 | The control method of wind cooling refrigerator |
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Address after: 266101 No. 1 Haier Road, Laoshan District, Shandong, Qingdao Patentee after: Haier Zhijia Co.,Ltd. Address before: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee before: Qingdao Haier Joint Stock Co.,Ltd. |