CN113932540A - A kind of refrigerator - Google Patents
A kind of refrigerator Download PDFInfo
- Publication number
- CN113932540A CN113932540A CN202010670573.0A CN202010670573A CN113932540A CN 113932540 A CN113932540 A CN 113932540A CN 202010670573 A CN202010670573 A CN 202010670573A CN 113932540 A CN113932540 A CN 113932540A
- Authority
- CN
- China
- Prior art keywords
- evaporator
- defrosting
- refrigerator
- air duct
- fan
- 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.)
- Granted
Links
- 238000010257 thawing Methods 0.000 claims abstract description 58
- 238000007710 freezing Methods 0.000 claims abstract description 37
- 230000008014 freezing Effects 0.000 claims abstract description 37
- 238000004891 communication Methods 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 238000004321 preservation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 235000013372 meat Nutrition 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000013611 frozen food Nutrition 0.000 description 1
- 235000015243 ice cream Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000017854 proteolysis Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- F25D21/06—Removing frost
-
- 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
- F25D2317/06—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 with forced air circulation
- F25D2317/067—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 with forced air circulation characterised by air ducts
Landscapes
- Engineering & Computer Science (AREA)
- 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)
- Defrosting Systems (AREA)
Abstract
The invention relates to the technical field of refrigerator fresh-keeping, and discloses a refrigerator, which comprises a freezing chamber and an air duct communicated with the freezing chamber, and also comprises an evaporator, a fan, a defrosting device, a shielding device and a controller, wherein the fan and the evaporator are arranged in the air duct, the evaporator is used as a cold source of the refrigerator, the defrosting device is connected with the evaporator and is used for defrosting the evaporator, the shielding device is used for controlling the opening and closing of a communication port of the evaporator and the fan, in order to solve the influence of temperature fluctuation caused by defrosting of the evaporator of the freezing chamber on the fresh-keeping effect of the refrigerator, the shielding device is arranged at the communication position of the fan and the evaporator, when the evaporator defrosts, a motor drives a shielding cover plate of the shielding device to rotate to block the evaporator from participating in the air circulation of the air duct, and solve the problem that in the original defrosting process of the freezing chamber, hot air rises and directly enters the freezing chamber from the air duct to cause the temperature fluctuation of the freezing chamber, the fresh-keeping effect of the refrigerator is influenced.
Description
Technical Field
The invention relates to the technical field of refrigerator preservation, in particular to a refrigerator.
Background
For a refrigerator, the freshness preservation level of frozen food materials is a key index of the refrigerator, the current mainstream refrigerator is an air-cooled frost-free refrigerator, an evaporator does not need defrosting after refrigeration and frosting, the evaporator is heated and defrosted through a heating wire, when the evaporator is heated and defrosted, air at the position of the evaporator is communicated with air in a freezing chamber, an air channel of the freezing chamber has no closing function, when a heating wire of the evaporator is heated, hot air directly enters the freezing chamber through an upper air port along with the rise of the temperature of the heating wire, so that the temperature fluctuation of the freezing chamber is caused, the fluctuation range can even reach about 15 ℃, protein degradation can be accelerated due to temperature fluctuation, the growth and the propagation of microorganisms are promoted, muscle tissues are damaged, and the deterioration of food is accelerated. Meanwhile, the temperature of the freezing room is increased, the next refrigerating time is increased, and the power consumption is increased. Therefore, the temperature fluctuation condition of the freezing chamber directly influences the preservation period of the frozen meat, and simultaneously can cause the ice cream to melt and then freeze, thereby influencing the mouthfeel.
Disclosure of Invention
In some embodiments of this application, a refrigerator is provided, the freezer and the wind channel that communicates in the freezer, still include the evaporimeter, the fan, change the white device, shield device and controller, fan and evaporimeter setting are in the wind channel, the evaporimeter is as the cold source of refrigerator, it connects the evaporimeter to change the white device, set up in the intercommunication department of fan and evaporimeter and shield the device, original freezer change white in-process has been solved, hot-air rises, directly get into the freezer from the wind channel in, cause the temperature fluctuation of freezer, influence the shortcoming of the fresh-keeping effect of refrigerator.
In some embodiments of this application, improve the evaporimeter defrosting process, set up through the intercommunication department at fan and evaporimeter and shield the device, when the evaporimeter changes the frost, the motor drives the apron that shields of shielding device and rotates, blocks the wind circulation in evaporimeter and wind channel, and the heat of having blocked the production of change frost in-process enters into the cooling chamber through the wind channel, has avoided the freezer to cause the temperature fluctuation owing to ingesting the heat, influences the fresh-keeping effect of freezer.
In some embodiments of the present application, a shielding device is improved, the shielding device includes a lower fixing cover, an upper fixing cover, a motor, a second gear, a driving rod and a shielding cover plate, the lower fixing cover and the upper fixing cover are connected and installed to form a housing structure, the motor is disposed inside the housing at the second gear, the motor is sleeved with the first gear, the second gear is meshed and connected with the first gear, one end of the driving rod is connected to a center of a circle of the second gear, the other end of the driving rod is connected with the shielding cover plate, the shielding cover plate is rotated through motor rotation transmission to control opening and closing of a communication port.
In some embodiments, disclosed herein is a refrigerator, including a freezing chamber forming a low-temperature storage space for storing articles to be kept fresh; the air duct is communicated with the freezing chamber, the inner space of the air duct is divided into a first cavity and a second cavity, and a communication port is formed in the communication position of the connection position of the first cavity and the second cavity;
the refrigerator further includes: the fan is arranged in a first cavity in the air duct, is arranged at an air opening communicated with one end of the freezing chamber in the air duct and is used for guiding air in the air duct to enable the air duct and the freezing chamber to generate circulating airflow; an evaporator disposed in a second chamber in the air duct, the evaporator serving as a cold source of the refrigerator for cooling the air flow supplied to the freezing chamber via the air duct; the defrosting device is arranged in the second chamber, is connected to the evaporator and is used for defrosting the evaporator; the shielding device is arranged on one side of the communication port and is used for controlling the opening and closing of the communication ports of the two chambers;
in some embodiments of the present application, the refrigerator further comprises: the controller is respectively electrically connected with the shielding device, the defrosting device and the fan, and the controller is used for controlling the working states of the shielding device and the fan according to the working condition of the defrosting device.
In some embodiments of the present application, the shielding apparatus comprises: the lower fixing cover is fixedly connected to the inner side wall of the air duct and arranged on one side of the communication opening, a fixing groove is formed in the lower fixing cover, and the lower fixing cover is used for mounting internal elements of the shielding device; the motor is arranged in the fixing groove, and a driving shaft of the motor is sleeved with a first gear; the second gear is arranged on the lower fixing cover and is meshed with the first gear, and a connecting hole is formed in the circle center of the first gear; one end of the driving rod is inserted into the connecting hole, and the driving rod is fixedly connected with the second gear; the shielding cover plate is connected to the other end of the driving rod, completely shields the communication port, and is used for controlling the opening and closing of the communication port; the upper fixing cover is arranged on the lower fixing cover and used for fixing and protecting internal elements arranged on the lower fixing cover.
In some embodiments of the present application, the defrosting apparatus includes: the sensor is arranged on the evaporator and used for detecting the temperature of the evaporator; the heating wire is arranged on the evaporator and used for heating and defrosting the evaporator.
In some embodiments of the present application, the shielding device is configured to close the communication port when the sensor detects that the evaporator needs defrosting, and the fan is configured to close when the sensor detects that the evaporator needs defrosting.
In some embodiments of the present application, the controller is respectively connected to the defrosting device, the shielding device and the fan, so that after the controller detects that the evaporator is at a temperature required to be defrosted or reaches a predetermined start-stop period, the controller controls the fan to stop operating and controls the shielding device to close the communication port, and simultaneously opens the defrosting device until the defrosting of the evaporator detected by the sensor is completed or the predetermined start-stop period is finished.
In some embodiments of the present application, the shielding cover plate is suspended from the connection port by the driving rod connected to the top of the shielding cover plate, and the driving rod can be driven by the motor to move to shield or expose the connection port.
In some embodiments of this application, second chamber bottom is provided with water drainage tank and apopore, the apopore is provided with the apopore stopcock, the apopore stopcock with the connection can be dismantled to the apopore.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are 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 to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a structural view of a refrigerator according to an embodiment;
fig. 2 is an exploded view of the screening arrangement according to embodiment 1 or 2 or 3;
FIG. 3 is a schematic view of the closing of the connection port by the shielding device according to embodiment 1;
FIG. 4 is a schematic view of the shielding device for opening the connection port according to embodiment 1;
FIG. 5 is a schematic view of the closing of the connection port by the shielding device according to embodiment 2 or 3;
fig. 6 is a schematic view of the shielding device according to embodiment 2 or 3 for opening the connection port;
fig. 7 is a circuit diagram of a controller connected to a shading device, a motor, and a defrosting device according to an embodiment.
Reference numerals:
110. a freezing chamber; 110. an air duct; 111. a first chamber; 112. a second chamber; 113. a water discharge tank; 120. a connecting port; 200. a shielding device; 201. a lower fixing cover; 202. a first gear; 203. a motor; 204. a second gear; 205. a drive rod; 206. a shield cover plate; 207. an upper fixing cover; 300. a fan; 400. an evaporator; 500. a defrosting device; 600. and a controller.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
According to some embodiments of the present application, a refrigerator as shown in fig. 1 and 2 includes: the refrigerator further comprises an evaporator 400, a fan 300, a defrosting device 500, a shielding device 200 and a controller 600, wherein the fan 300 is arranged in the first chamber 111 in the air duct 110, the fan 300 is arranged at an air opening communicated with one end of the air duct 110 and used for guiding air in the air duct 110 to enable the air duct 110 and the freezing chamber 110 to generate circulating air flow, the evaporator 400 is arranged in the second chamber 112 in the air duct 110, and the evaporator 400 is used as a cold source of the air duct of the refrigerator and used for cooling the air flow supplied to the freezing chamber 110 through the air duct 110, the defrosting device 500 is disposed in the second chamber 112, and is connected to the evaporator 400, and is configured to defrost the evaporator 400, the defrosting device 500 includes a sensor and a heating wire, the sensor is disposed on the evaporator 400, and is configured to detect a temperature of the evaporator 400, the heating wire is disposed on the evaporator 400, and is connected to a power supply to heat the evaporator 400, and is configured to heat and defrost the evaporator 400, the shielding device 200 is disposed at one side of a communication opening formed between the first chamber 111 and the second chamber 112, the shielding device 200 includes a lower fixing cover 201, a motor 203, a second gear 204, a driving rod 205, a shielding cover plate 206, and an upper fixing cover 207, the lower fixing cover 201 is fixedly connected to an inner sidewall of the air duct 110, the lower fixing cover 201 is disposed at one side of the communication opening, a fixing groove is disposed inside the lower fixing cover 201, the lower fixing cover 201 is configured to mount internal components of the shielding device 200, the motor 203 is disposed in the fixing groove, the first gear 202 is sleeved on a driving shaft of the motor 203, the second gear 204 is rotatably arranged on the lower fixing cover 201, the second gear 204 is meshed with the first gear 202, a connecting hole is formed in the circle center position of the first gear 202, one end of the driving rod 205 is inserted into the connecting hole, the driving rod 205 is fixedly connected with the second gear 204, the shielding cover plate 206 is connected to the other end of the driving rod 205, the shielding cover plate 206 completely shields the connecting hole, the shielding cover plate 206 is used for controlling opening and closing of the connecting hole, the upper fixing cover 207 is arranged on the lower fixing cover 201 in a covering mode, the upper fixing cover 207 is used for being fixed to protect internal elements arranged on the lower fixing cover 201, the shielding device 200, the defrosting device 500 and the fan 300 are respectively and electrically connected with the controller 600, and the controller 600 is used for controlling the working states of the shielding device 200 and the fan 300 according to the working conditions of the defrosting device 500.
It should be noted that, in order to solve the influence of the temperature fluctuation caused by the defrosting of the evaporator 400 of the freezing chamber 110 on the fresh-keeping effect of the refrigerator, the shielding device 200 is arranged at the communication position between the fan 300 and the evaporator 400, when the evaporator 400 is defrosted, the controller 600 transmits an electric signal to the motor 203, the motor 203 is controlled to rotate, the motor 203 drives the shielding cover plate 206 of the shielding device 200 to rotate, the evaporator 400 is blocked from participating in the wind circulation of the wind channel 110, and the defects that the temperature fluctuation of the freezing chamber 110 is caused and the fresh-keeping effect of the refrigerator is influenced due to the fact that hot air rises and directly enters the freezing chamber 110 from the wind channel 110 in the original defrosting process of the freezing chamber 110 are solved.
It should be noted that the shielding cover 206 is suspended from the connecting port 120 by a driving rod 205 connected to the top of the shielding cover, and the driving rod 205 can be driven by the motor 203 to move to shield or expose the connecting port 120.
As shown in fig. 1 and 7, the controller 600 is respectively connected to the defrosting device 500, the shielding device 200 and the fan 300 so that after the controller 600 detects that the evaporator 400 is at a temperature at which defrosting is required or reaches a predetermined on-off period, the controller 600 controls the fan 300 to stop operating and controls the shielding device 200 to close the communication port while the defrosting device 500 is turned on until the defrosting of the evaporator 400 is completed or the predetermined on-off period is finished, which is detected by the sensor.
It should be noted that the controller 600 may detect the temperature of the evaporator 400 through a sensor disposed on the evaporator 400 to intelligently determine whether the evaporator 400 needs to be defrosted, and the controller 600 may also periodically control the defrosting device 500 to defrost the evaporator 400 according to a preset on/off period of a user.
According to some embodiments of the present application, as shown in fig. 1, a drainage groove 113 and a water outlet are disposed at the bottom of the second chamber 112, and a water outlet plug is disposed on the water outlet and detachably connected to the water outlet, so that the defrosting water in the accommodating chamber flows out of the air duct 110 through the drainage groove 113 and the water outlet.
It should be noted that, after the defrosting operation of the evaporator 400 is finished, the defrosting water is accumulated at the bottom of the second chamber 112, and at this time, the water outlet plug is opened, so that the accumulated water at the bottom of the second chamber 112 flows out of the air duct 110 along the drainage channel 113 and the water outlet.
As shown in fig. 3, 4, 5 and 6, when the refrigerator performs cooling, the fan 300 and the evaporator 400 are turned on, the fan 300 is used for guiding air in the air duct 110 to generate a circulating airflow between the air duct 110 and the freezing chamber 110, the airflow is cooled by the evaporator 400 after heat exchange is performed on the airflow by the evaporator 400, the airflow is guided and guided by the fan 300 to enter the freezing chamber 110, at this time, the shielding device 200 does not operate, the shielding cover 206 is far away from the connecting port 120, and the first chamber 111 and the second chamber 112 are in a communication state.
In an embodiment of the present invention, as shown in fig. 3, 4, 5 and 6, when the refrigerator performs a defrosting operation on the evaporator 400, the fan 300 and the evaporator 400 are in a closed state, the air duct 110 and the freezing chamber 110 do not generate a circulating air flow, the defrosting device and the shielding device 200 are simultaneously activated, the shielding cover 206 moves to completely shield the connection port 120 to block the communication between the evaporator 400 and the air duct 110 and the freezing chamber 110, at this time, the heating wire is activated to heat the evaporator 400, frost on the surface of the evaporator 400 is heated and melted, water melted by the frost is accumulated at the bottom of the second chamber 112, the water outlet plug is opened, the accumulated water flows out from the water outlet, and when the surface of the evaporator 400 is no longer covered by the frost, the defrosting operation is completed.
The operation mode of the shielding device 200 for shielding the connection port 120 is as follows:
example 1:
as shown in fig. 3 and 4, the first gear 202 and the second gear 204 are straight gears, the motor 203 drives the first gear 202 to rotate, the first gear 202 drives the second gear 204 engaged therewith to rotate, the second gear 204 drives the driving rod 205 to rotate, one end of the driving rod 205 is fixedly connected to a center of the second gear 204, the other end of the driving rod 205 is fixedly connected to the shielding cover plate 206, and the driving rod 205 drives the shielding cover plate 206 to rotate to control opening and closing of the connection port 120.
Example 2:
as shown in fig. 5 and 6, the first gear 202 is a bevel gear, the second gear 204 is a ring gear, the motor 203 drives the first gear 202 to rotate, the first gear 202 drives the second gear 204 engaged therewith to move horizontally by using a bevel principle, the second gear 204 drives the driving rod 205 to move horizontally, one end of the driving rod 205 is fixedly connected to a center of the second gear 204, the other end of the driving rod 205 is fixedly connected to the shielding cover plate 206, and the driving rod 205 drives the shielding cover plate 206 to move close to or away from the connection port 120, so as to control the opening and closing of the connection port 120.
Example 3:
as shown in fig. 5 and 6, the first gear 202 and the second gear 204 are straight gears, the first gear 202 is driven to rotate by the motor 203, the first gear 202 drives the second gear 204 engaged therewith to rotate, the second gear 204 drives the driving rod 205 to rotate, the driving rod 205 is a threaded rod, the top end of the shielding cover plate 206 is provided with an internal threaded hole, one end of the driving rod 205 is fixedly connected to the center of the second gear 204, the other end of the driving rod is connected with the threaded hole of the shielding cover plate 206 in a matching manner, the upper fixing cover 207 is designed as a linear guide, the shielding cover plate 206 is arranged in the guide, the external thread of the driving rod 205 is connected with the internal thread of the shielding cover plate 206 in a matching manner, the shielding cover plate 206 is designed as a linear guide to move along the upper fixing cover 207, so as to realize the approaching or far away movement of the shielding cover plate 206 relative to the connection port 120, and control the opening and closing of the connection port 120.
In summary, when the refrigerator refrigerates, the shielding cover plate is far away from the connecting port, and the fan normally guides air refrigerated by the evaporator to refrigerate the freezing chamber; when the refrigerator evaporator needs defrosting, firstly, an instruction is sent to the refrigerator controller, the motor works, the shielding cover plate is moved to the connecting port, the connecting port is completely sealed, the connecting port is closed, the evaporator space is completely separated from the air channel and the freezing chamber, heating and defrosting of the heating wire of the defrosting device are carried out after actions are finished, after defrosting is finished, defrosting accumulated water in the air channel is led out, the motor drives the shielding cover plate to be away from the air inlet, the original refrigerating air channel structure is restored, in the structure, because the evaporator space is completely sealed in the defrosting process, heat cannot be lost, defrosting time is shortened, defrosting energy consumption is reduced, meanwhile, heat cannot enter the freezing chamber, and fresh-keeping effect of meat in the freezing chamber cannot be influenced by temperature fluctuation.
According to this application first design, set up through the intercommunication department at fan and evaporimeter and shield the device, when the evaporimeter changes frost, the motor drives the apron that shields of shielding the device and rotates, blocks the wind cycle in evaporimeter and wind channel, has blocked the heat that the frost in-process produced and has entered into the cooling chamber through the wind channel, has avoided the freezer to cause the temperature fluctuation owing to ingesting the heat, influences the fresh-keeping effect of freezer.
According to the second concept of the application, the shielding device comprises a lower fixing cover, an upper fixing cover, a motor, a second gear, a driving rod and a shielding cover plate, wherein the lower fixing cover and the upper fixing cover are connected and installed to form a shell structure, the motor is arranged in the shell in the second gear, the motor is sleeved with the first gear, the second gear is meshed and connected with the first gear, one end of the driving rod is connected to the circle center of the second gear, the other end of the driving rod is connected with the shielding cover plate, the shielding cover plate is driven to rotate through the rotation of the motor, and the opening and closing of the communicating port are controlled.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A refrigerator, characterized by comprising:
a freezing chamber to form a low-temperature storage space for storing articles to be preserved;
the air duct is communicated with the freezing chamber, the inner space of the air duct is divided into a first cavity and a second cavity, and a communication port is formed at the joint of the first cavity and the second cavity;
the refrigerator further includes:
the fan is arranged in a first cavity in the air duct, is arranged at an air opening communicated with one end of the freezing chamber in the air duct and is used for guiding air in the air duct to enable the air duct and the freezing chamber to generate circulating airflow;
an evaporator disposed in a second chamber in the air duct, the evaporator serving as a cold source of the refrigerator for cooling the air flow supplied to the freezing chamber via the air duct;
the defrosting device is arranged in the second chamber, is connected to the evaporator and is used for defrosting the evaporator;
and the shielding device is arranged on one side of the communication port and is used for controlling the opening and closing of the communication ports of the two chambers.
2. The refrigerator according to claim 1, further comprising:
the controller is respectively electrically connected with the shielding device, the defrosting device and the fan, and the controller is used for controlling the working states of the shielding device and the fan according to the working condition of the defrosting device.
3. The refrigerator according to claim 1, wherein the shielding means comprises:
the lower fixing cover is fixedly connected to the inner side wall of the air duct and arranged on one side of the communication opening, a fixing groove is formed in the lower fixing cover, and the lower fixing cover is used for mounting internal elements of the shielding device;
the motor is arranged in the fixing groove, and a driving shaft of the motor is sleeved with a first gear;
the second gear is arranged on the lower fixing cover and is meshed with the first gear, and a connecting hole is formed in the circle center of the first gear;
one end of the driving rod is inserted into the connecting hole, and the driving rod is fixedly connected with the second gear;
the shielding cover plate is connected to the other end of the driving rod, completely shields the communication port, and is used for controlling the opening and closing of the communication port;
the upper fixing cover is arranged on the lower fixing cover and used for fixing and protecting internal elements arranged on the lower fixing cover.
4. The refrigerator of claim 1, wherein the defrosting device comprises:
the sensor is arranged on the evaporator and used for detecting the temperature of the evaporator;
the heating wire is arranged on the evaporator and used for heating and defrosting the evaporator.
5. The refrigerator of claim 4, wherein the shutter is configured to close the communication port when the sensor detects that the evaporator requires defrosting, and the fan is configured to close when the sensor detects that the evaporator requires defrosting.
6. The refrigerator according to claim 2 or 4, wherein the controller is connected to the defrosting device, the shielding device and the fan respectively, so that after the controller detects that the evaporator is at a temperature requiring defrosting or reaches a predetermined on-off period, the controller controls the fan to stop operating and controls the shielding device to close the communication port, and simultaneously opens the defrosting device until defrosting of the evaporator detected by the sensor is completed or the predetermined on-off period is finished.
7. The refrigerator as claimed in claim 3, wherein the shield cover is suspended from the connection port by the driving lever connected to a top portion thereof, and the driving lever is moved by the motor to shield or expose the connection port.
8. The refrigerator of claim 1, wherein the bottom of the second chamber is provided with a drainage channel and a water outlet, the water outlet is provided with a water outlet plug, and the water outlet plug is detachably connected with the water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010670573.0A CN113932540B (en) | 2020-07-13 | 2020-07-13 | Refrigerator with a refrigerator body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010670573.0A CN113932540B (en) | 2020-07-13 | 2020-07-13 | Refrigerator with a refrigerator body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113932540A true CN113932540A (en) | 2022-01-14 |
| CN113932540B CN113932540B (en) | 2024-09-06 |
Family
ID=79273709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010670573.0A Active CN113932540B (en) | 2020-07-13 | 2020-07-13 | Refrigerator with a refrigerator body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113932540B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116336736A (en) * | 2023-04-18 | 2023-06-27 | 长虹美菱股份有限公司 | Freezing wind channel subassembly and refrigerator based on same |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060072044A (en) * | 2004-12-22 | 2006-06-27 | 엘지전자 주식회사 | Damper in refrigerator |
| KR20100122049A (en) * | 2009-05-11 | 2010-11-19 | 히타치 어플라이언스 가부시키가이샤 | Damper device and refrigerator with damper device |
| JP2011002228A (en) * | 2010-10-04 | 2011-01-06 | Hitachi Appliances Inc | Refrigerator |
| CN205641752U (en) * | 2016-03-25 | 2016-10-12 | 青岛海尔股份有限公司 | Air -cooling refrigerator |
| CN106871528A (en) * | 2017-01-09 | 2017-06-20 | 青岛海尔股份有限公司 | Refrigerator |
| WO2017152538A1 (en) * | 2016-03-09 | 2017-09-14 | 青岛海尔股份有限公司 | Refrigerator and multipath air supply apparatus for refrigerator |
| CN206555071U (en) * | 2016-09-30 | 2017-10-13 | 崨豹科技股份有限公司 | Outer-cover type flow generator |
| CN107314445A (en) * | 2017-07-19 | 2017-11-03 | 珠海格力电器股份有限公司 | Air purification structure and air conditioner of air-out equipment |
| CN206989555U (en) * | 2017-06-01 | 2018-02-09 | 澳柯玛股份有限公司 | A kind of novel air-cooled refrigerator |
| CN108413685A (en) * | 2018-01-24 | 2018-08-17 | 青岛海尔股份有限公司 | Wind cooling refrigerator and its defrosting control method |
| CN108759245A (en) * | 2018-06-27 | 2018-11-06 | 青岛海尔股份有限公司 | Wind cooling refrigerator |
| CN209134471U (en) * | 2018-12-26 | 2019-07-19 | Oppo广东移动通信有限公司 | Electronic device |
| CN210569471U (en) * | 2019-09-19 | 2020-05-19 | 长虹美菱股份有限公司 | Refrigerator air duct |
-
2020
- 2020-07-13 CN CN202010670573.0A patent/CN113932540B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060072044A (en) * | 2004-12-22 | 2006-06-27 | 엘지전자 주식회사 | Damper in refrigerator |
| KR20100122049A (en) * | 2009-05-11 | 2010-11-19 | 히타치 어플라이언스 가부시키가이샤 | Damper device and refrigerator with damper device |
| JP2011002228A (en) * | 2010-10-04 | 2011-01-06 | Hitachi Appliances Inc | Refrigerator |
| WO2017152538A1 (en) * | 2016-03-09 | 2017-09-14 | 青岛海尔股份有限公司 | Refrigerator and multipath air supply apparatus for refrigerator |
| CN205641752U (en) * | 2016-03-25 | 2016-10-12 | 青岛海尔股份有限公司 | Air -cooling refrigerator |
| CN206555071U (en) * | 2016-09-30 | 2017-10-13 | 崨豹科技股份有限公司 | Outer-cover type flow generator |
| CN106871528A (en) * | 2017-01-09 | 2017-06-20 | 青岛海尔股份有限公司 | Refrigerator |
| CN206989555U (en) * | 2017-06-01 | 2018-02-09 | 澳柯玛股份有限公司 | A kind of novel air-cooled refrigerator |
| CN107314445A (en) * | 2017-07-19 | 2017-11-03 | 珠海格力电器股份有限公司 | Air purification structure and air conditioner of air-out equipment |
| CN108413685A (en) * | 2018-01-24 | 2018-08-17 | 青岛海尔股份有限公司 | Wind cooling refrigerator and its defrosting control method |
| CN108759245A (en) * | 2018-06-27 | 2018-11-06 | 青岛海尔股份有限公司 | Wind cooling refrigerator |
| CN209134471U (en) * | 2018-12-26 | 2019-07-19 | Oppo广东移动通信有限公司 | Electronic device |
| CN210569471U (en) * | 2019-09-19 | 2020-05-19 | 长虹美菱股份有限公司 | Refrigerator air duct |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116336736A (en) * | 2023-04-18 | 2023-06-27 | 长虹美菱股份有限公司 | Freezing wind channel subassembly and refrigerator based on same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113932540B (en) | 2024-09-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2544486C (en) | Ice-dispensing assembly mounted within a refrigerator compartment | |
| EP3051240B1 (en) | Shielding device and refrigerator comprising same | |
| KR100568060B1 (en) | Refrigerator | |
| KR0182533B1 (en) | A refrigerator and its temperature control method | |
| KR19980030890A (en) | Refrigerator Cook-chill System | |
| KR100621235B1 (en) | Cold air path structure of bottom freezer type refrigerator | |
| JP7521098B2 (en) | refrigerator | |
| CN113932540B (en) | Refrigerator with a refrigerator body | |
| KR20150061672A (en) | Curd maker and refrigerator having the same | |
| KR100584270B1 (en) | Cold air path structure of bottom freezer type refrigerator | |
| ES2231106T3 (en) | REFRIGERATOR WITH ULTRA-QUICK COOLER AND FAST FREEZER. | |
| KR101480458B1 (en) | Refrigerator | |
| KR100652593B1 (en) | Refrigerator with fuction of making ice rapidly | |
| KR100414269B1 (en) | Apparatus for supply the cool air of retrigerator | |
| KR200160268Y1 (en) | Refrigerating room three-dimensional cooling device of refrigerator by air curtain | |
| CN115046341B (en) | Ice maker and refrigeration equipment | |
| KR20000034726A (en) | Air curtain device of home bar room | |
| CN214536997U (en) | Refrigerating and freezing device | |
| KR100511326B1 (en) | Yogurt maker in kimchi refrigerator | |
| KR20190091986A (en) | Refrigerator | |
| WO2023160681A1 (en) | Refrigeration appliance | |
| KR20180039832A (en) | Refrigerator and Controlling method for the same | |
| JPH02126078A (en) | Refrigerator | |
| KR101139586B1 (en) | Controlling method for refrigerator | |
| CN113633509A (en) | Intelligent frost-free remains refrigerator and refrigerating device, defrosting device and adjusting device thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Country or region after: China Address after: 266000 No.399, Songling Road, Laoshan District, Qingdao City, Shandong Province Applicant after: Hisense refrigerator Co.,Ltd. Address before: 266000 No.399, Songling Road, Laoshan District, Qingdao City, Shandong Province Applicant before: HISENSE (SHANDONG) REFRIGERATOR Co.,Ltd. Country or region before: China |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |