WO2018040441A1 - Réfrigérateur-congélateur - Google Patents

Réfrigérateur-congélateur Download PDF

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Publication number
WO2018040441A1
WO2018040441A1 PCT/CN2016/113438 CN2016113438W WO2018040441A1 WO 2018040441 A1 WO2018040441 A1 WO 2018040441A1 CN 2016113438 W CN2016113438 W CN 2016113438W WO 2018040441 A1 WO2018040441 A1 WO 2018040441A1
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WO
WIPO (PCT)
Prior art keywords
refrigerating
air
chamber
middle door
duct
Prior art date
Application number
PCT/CN2016/113438
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English (en)
Chinese (zh)
Inventor
陶海波
刘建如
姬立胜
聂圣源
戚斐斐
潘光亮
曹东强
Original Assignee
青岛海尔股份有限公司
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Publication of WO2018040441A1 publication Critical patent/WO2018040441A1/fr

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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
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • 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
    • 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
    • F25D17/08—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 using ducts
    • 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
    • F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
    • F25D19/04—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors with more than one refrigeration unit
    • 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
    • F25D21/14—Collecting or removing condensed and defrost water; Drip trays
    • 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
    • F25D29/003—Arrangement or mounting of control or safety devices for movable devices
    • 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

Definitions

  • the invention relates to the field of household appliances, and in particular to a refrigerator.
  • a refrigerator generally refers to a single door, a double door double temperature, a three door three temperature, a cabinet type multi-door and the like, and generally has an independent freezing room and an outer door of the refrigerating room, so as to be separated according to different storage temperatures.
  • Store The refrigeration principle of this refrigerated freezer is divided into direct cooling and air cooling.
  • the direct cooling type refrigeration system usually uses a solenoid valve to control the flow of the refrigerant, and supplies the refrigerant to the evaporators of the respective refrigerating (freezing) chambers to cool the spaces to the required temperature.
  • Air-cooled chilling and freezing requires the installation of a corresponding air duct to supply air to each space.
  • the refrigerating compartment has a constant temperature and constant humidity (high humidity) function, but whether it is a direct cooling type or an air-cooled refrigerator, the relative humidity of the refrigerating compartment is relatively low, and the temperature fluctuates greatly, by using an inverter compressor and its frequency conversion.
  • the control system can reduce the temperature fluctuation of the refrigerating compartment, but the temperature fluctuation is not in the ideal range, and the cost of the inverter compressor and the variable frequency control system is high.
  • the food refrigerated in the refrigerating compartment is different, the user cannot select the refrigerating supply air temperature, and the temperature difference between the refrigerated supply air temperature and the refrigerating and cooling temperature is large, and the fruits and vegetables inside the refrigerating compartment may be frostbitten.
  • the present invention provides a refrigerator comprising: a casing defining a refrigerating compartment and a freezing compartment, wherein one side of the refrigerating compartment and the freezing compartment are respectively provided with a refrigerating air inlet in fluid communication therewith a channel and a freezing inlet duct; an evaporator disposed in the evaporator chamber at the rear of the freezing chamber, the freezing inlet duct being in fluid communication with the evaporator chamber; the intermediate duct being disposed in the refrigerating inlet duct and freezing into Selective fluid communication between the air ducts and the refrigerating inlet duct and the refrigerating inlet duct, the intermediate duct including the first air path and the second air path arranged side by side; the heat source is disposed in the second wind The inside of the road; the cold air self-evaporator can enter the first air passage and/or the second air passage through the freezing inlet duct to enter the refrigerating inlet duct.
  • the first air passage and the second air passage are arranged side by side along the width direction of the refrigerator.
  • the refrigerating compartment of the refrigerator is capable of switching between at least two refrigerating modes of the following three refrigerating modes, the first conventional cooling mode, the cold wind passing from the evaporator through the first wind The road is sent to the refrigerating inlet air duct; the second high air supply temperature mode, the cold air is sent from the evaporator to the refrigerating air inlet passage through the second air passage; the third mixed air supply mode, the cold air is passed from the evaporator to the first air passage And the second air path is sent to the refrigerating inlet duct.
  • the casing further defines a middle door chamber, the middle door chamber is located between the refrigerating chamber and the freezing chamber, and the intermediate air passage is disposed in the middle door chamber and Corresponds to the position of the refrigerating inlet duct and the freezing inlet duct.
  • a first middle door damper and a second middle door damper are respectively disposed at a communication between the first air path and the second air path and the evaporator cavity, and the first air path and a first refrigerating damper and a second refrigerating damper are respectively disposed at a communication between the second air passage and the refrigerating inlet duct, the first middle damper and the second middle damper and the first refrigerating damper and the second refrigerating damper Optional to open or close.
  • the first middle door damper and the second middle door damper are configured as a drag type damper in which one motor drags two blades.
  • the first refrigerating damper and the second refrigerating damper are configured as a drag type damper in which one motor drags two blades.
  • the refrigerator further includes a semiconductor module disposed at a rear portion of the middle door chamber for providing cooling to the middle door chamber, the semiconductor module having cold An end and a hot end, the cold end being in fluid communication with the middle door chamber, the heat source being comprised of the hot end.
  • the intermediate duct further includes a cooling duct in fluid communication with the middle door chamber, the cold end is located in the refrigerating duct, and the refrigerating duct is opposite to the The first air path and the second air path are independently arranged.
  • a water receiving box is disposed at a bottom of the cold end of the semiconductor module inside the middle door.
  • a first fan is disposed at a rear portion of the freezing chamber, and the first fan is configured to introduce cold air from the evaporator into a freezing chamber and a refrigerating chamber, and a rear side of the middle door chamber is disposed
  • a second fan is used to introduce cold air from the cold end of the semiconductor module into the middle door chamber.
  • the refrigerating chamber is further provided with a refrigerating return air passage in fluid communication with the evaporator chamber, and the cold air entering the refrigerating air inlet duct is returned to the evaporator through the refrigerating return air passage.
  • the rear portion of the middle door chamber is further provided with a middle door return air passage, the middle door return air passage is in fluid communication with the second air passage, and the middle door returns air
  • a return air switch is disposed in the circuit, and the return air switch selectively connects or disconnects the middle door return air passage from the refrigerating return air passage.
  • the cold air is sent from the evaporator to the refrigerating inlet duct via the second air passage, and the return air switch is closed to open between the refrigerating return air passage and the middle door return air passage. Fluid communication.
  • the refrigerator includes two types of cold air circulation systems: a first cold air circulation system: the cold air enters the freezer compartment and the refrigerating compartment from the evaporator, and then returns to the evaporator through the refrigerating return air passage; Cold air circulation system: cold air circulates between the cooling air duct and the middle door chamber from the cold end.
  • the invention has the beneficial effects that: the refrigerator of the invention can realize various air supply modes of the refrigerating room, and meet different needs of users, wherein one air channel is provided with a heat source, and the refrigerating air supply temperature is high, which is beneficial to food preservation and prevention. Frostbite.
  • the dual air duct and the semiconductor module are cooled for use in the middle door of the refrigerator, so that the constant temperature and constant humidity (high humidity) functions can be realized.
  • FIG. 1 is a schematic rear view of a refrigerator in a preferred embodiment of the present invention.
  • Figure 2 is a right side view of the refrigerator of Figure 1;
  • Figure 3 is a schematic view of a semiconductor module of the refrigerator of Figure 1;
  • Figure 4 is a schematic view of the air passage of the middle door compartment of the refrigerator of Figure 1.
  • the preferred embodiment discloses a refrigerator 100.
  • the refrigerator 100 includes a box body, and the box body defines three refrigerating compartments, respectively, which are refrigerating compartments 20 and
  • the door chamber 30 and the freezing chamber 40 are generally provided from the top to the bottom in the refrigerating chamber 20, the middle door chamber 30, and the freezing chamber 40.
  • the direction in which the refrigerating chamber 20, the middle door chamber 30, and the freezing chamber 40 are arranged from top to bottom is defined as the height direction of the refrigerator
  • the direction in which the user opens the refrigerator facing the refrigerator door and back to the refrigerator door is defined as
  • the thickness direction of the refrigerator defined perpendicular to the height direction and the thickness direction, is defined as the width direction of the refrigerator.
  • the refrigerator further has an evaporator 50 and a freezing fan 502, the evaporator 50 is disposed in the evaporator chamber 501 at the rear of the cabinet freezing chamber 40, and the freezing fan 502 is disposed in the upper portion of the evaporator 50 in the evaporator chamber 501, the evaporator 50
  • the defrosting device 70 is disposed at the lower portion.
  • the evaporator 50 may be any one of known evaporators such as a fin evaporator, a wire tube evaporator, an inflation evaporator, and a tube tube evaporator.
  • the refrigerator 100 constitutes a compression refrigeration cycle system by a compressor (not shown), a condenser (not shown), and an evaporator 50, and the refrigeration fan 502 introduces cold air from the evaporator 50 into the freezing compartment 40 and the refrigerating compartment. 20, that is, the freezing fan 502 and the circulation duct leading to the freezing compartment 40 and the refrigerating compartment 20 constitute a first cold air circulation system.
  • the compressor pushes the refrigerant circulation, and the refrigerant entering the evaporator 50 absorbs heat and evaporates.
  • the freezing fan 502 is sent to the corresponding refrigerating compartment through the circulation duct, that is, the cold air enters the refrigerating compartment 20 through the freezing compartment 40, that is, the refrigerating compartment 20 and
  • the refrigeration of the freezer compartment 40 is provided by a compression refrigeration system of the refrigerator 100.
  • the refrigerator 100 in this embodiment further includes a semiconductor module 60.
  • the semiconductor module 60 is an integrated module including a cold-end heat exchanger, a hot-end heat exchanger, and a connection between them.
  • Semiconductor chip 606, cold junction heat exchanger and hot end heat exchanger are referred to herein simply as cold end 602 and hot end 604.
  • the semiconductor module 60 is disposed at a rear portion of the door chamber 30 in the cabinet body, and one side of the middle door chamber 30 is provided with a cooling air passage in fluid communication with it, that is, a first air passage D of the middle door chamber 30, preferably, A wind tunnel D is disposed at the rear of the middle door chamber 30, and the cold end 602 of the semiconductor module 60 is located in the first air passage D, and the middle air duct D is further provided with a middle door blower 302, and the middle door blower 302 is located The upper portion of the cold end 602 is for introducing cold air from the cold end 602 into the middle door chamber 30.
  • the airflow and the cold end 602 inside the middle door chamber 30 are circulated through the first air passage D, that is, the cold air generated by the cold end 602 enters the middle door chamber 30 through the air inlet of the first air passage D, and then returns to the cold from the air outlet. End 602, such that the circulating duct of door chamber 30 constitutes a second cold air circulation system.
  • the rear end of the middle door chamber 30 is further provided with a second air passage, and the second air passage is located at the rear side of the first air passage D and is disposed independently of the first air passage D, that is, The second air passage and the first air passage D are not in fluid communication, and the two air passages are arranged side by side with respect to the thickness direction of the refrigerator 100.
  • the hot end 604 is located in the second air duct, and the second air duct includes the air inlet duct 304 and the return air duct 306 (the air passage through which the air flow indicated by the arrow M2 shown in FIG. 2 passes), and the cold air flows from the evaporator 50 through the air duct 304.
  • the flow to the hot end 604 is returned to the evaporator 50 via the return air passage 306.
  • the hot end 604 is disposed in the intake duct 304, the first duct D is adjacent to the intake duct 304, and the second duct is
  • the first air duct D is collectively referred to as a middle door air duct, and the semiconductor module 60 is located at a middle portion of the middle door air duct, so that the semiconductor module is easy to install and takes up little space.
  • the first air passage D and the second air passage constitute a front and rear double air passage, and the air circulation of each air passage is independent, and the air flow inside the middle door chamber 30 is circulated through the first air passage D and the semiconductor cold end heat exchanger.
  • the cold air circulation inside the middle door chamber 30 is realized by a separate middle door fan 302; the cold air sucked from the evaporator 50 is radiated through the semiconductor hot end 602 in the second air passage, and then returned to the bottom of the evaporator 50 through the middle door return air passage 306. Re-heat exchange with the evaporator 50. Therefore, it can be said that the cooling of the middle door chamber 30 is provided by the semiconductor module 60.
  • the second air duct is used for heat dissipation of the semiconductor, it is necessary to ensure sufficient cooling capacity to take away the maximum heat generated by the semiconductor operation, that is, to ensure the minimum cooling temperature in the middle door.
  • the cooling temperature of the middle door chamber is between 5-12 °C. Therefore, the semiconductor cold-end heat exchanger needs to ensure that the temperature is not lower than 0 °C (according to the test experience, it is generally lower than the cooling room temperature of 3-5 °C) to ensure the middle door.
  • the water vapor inside the chamber 30 will not be frosted on the cold-end heat exchanger, resulting in a decrease in internal humidity; a water-receiving box 309 is disposed at the bottom of the cold-end heat exchanger inside the middle door chamber 30 to prevent condensation of water vapor on the cold-end heat exchanger. When the drip is stored.
  • a freezing duct C is disposed at a rear portion of the freezing compartment 40, and a refrigerating duct is disposed at a rear portion of the refrigerating compartment 20, and the refrigerating duct is composed of a first section refrigerating duct B1 located at the middle door portion and a second section refrigerating wind located at the refrigerating part
  • the track B2 is configured, and the freezing fan 502 conveys cold air to the freezing compartment 40 and the refrigerating compartment 20 through the freezing duct C and the refrigerating duct.
  • the second air duct includes a left side air passage and a right side air passage A which are arranged side by side in the width direction of the refrigerator, that is, a first air passage and a second air passage, wherein the left air passage overlaps with the first refrigerating air passage B1, or Said sharing, that is, the same air duct, the second section of the refrigerating air duct B2 can be regarded as a refrigerating air inlet duct, and the hot end is located in the right side air path A, and the left side air path and the right side air path A are mutual Independent air ducts that can be disassembled and installed independently.
  • the freezing duct C and the second section refrigerating duct B2 may be in fluid communication through the right side air path A.
  • the first section of the refrigerating air duct B1 is disposed on the right side and the hot end 604 is located in the left side air path.
  • the second air passage described above includes two air passages, and those skilled in the art can easily think that the second air passage is a single air passage, and the middle door chamber can also have separate refrigeration with respect to the refrigerating chamber or the freezing chamber. Circulatory system.
  • the rear end of the refrigerating inlet duct of the refrigerating compartment 20 is provided with a refrigerating compartment return air inlet and a refrigerating return air duct 206 in fluid communication with the 261 evaporator chamber 501, that is, an air passage through which the airflow indicated by an arrow M1 in FIG. 2 passes, and the cold air evaporates.
  • the device 50 enters the second section of the refrigerating air duct B2, and then returns to the evaporator 50 via the refrigerating return duct 206.
  • the rear end of the middle door chamber 30 is provided with a middle door chamber return air opening 361, and the cold air exchanges heat with the hot end 604 to enter the return air passage 306 of the middle door chamber 30 through the middle door chamber return air opening 361, and the middle door chamber 30 is returned.
  • the air duct 306 can be selectively connected or disconnected from the refrigerating return air duct 206, that is, the return air duct 306 of the second air duct is provided with a return air switch 307, and the return air duct of the second air duct can be selectively selected by the return air switch 307.
  • 306 is in fluid communication or partitioned from the refrigerated return duct 206.
  • Such a duct arrangement is relatively compact, and of course, the return duct 306 of the second duct may be independently provided with respect to the refrigerating return duct 206.
  • the first section of the refrigerating air duct B1 is connected with the evaporator chamber to provide a middle door damper ZM1, that is, a first middle door damper, and a refrigerating damper LC1 is disposed between the first section of the refrigerating duct B1 and the second section of the refrigerating duct B2.
  • a refrigerating damper can realize the between the evaporator chamber and the first section of the refrigerating duct B1, the first section of the refrigerating duct B1 and the second section of the refrigerating duct B2 by controlling the opening and closing of the middle door damper ZM1 and the refrigerating damper LC1.
  • the fluid is connected or disconnected.
  • the right side air passage A of the second air passage is connected with the evaporator chamber 501 to provide a middle door damper ZM2, that is, a second middle door damper, and the right side air passage A of the second air passage and the second refrigerating air passage B2 are refrigerated.
  • the refrigerating damper LC2, that is, the second refrigerating damper is provided at the inlet of the inlet duct, and by controlling the opening and closing of the middle door damper ZM2 and the refrigerating damper LC2, the between the evaporator chamber 501 and the right side air passage A of the second duct can be realized.
  • the aforementioned middle door dampers ZM1, ZM2 and refrigerating dampers LC1, LC2 are one type of tow type damper in which one motor drives two blades, that is, the two blades can be independently switched without affecting each other.
  • the cross-sectional shape of all the air passages is a substantially rectangular shape, and of course, it may be a circular shape, a square shape, or the like.
  • respective indoor temperature sensors (not shown) and controllers (not shown) are installed in the refrigerating chamber 20, the middle door chamber 30, and the freezing chamber 40 according to installation in the refrigerating chamber 20, the middle door chamber 30, and freezing.
  • the signal transmitted by the temperature sensor in the chamber 40 adjusts the working condition of the compressor or the opening or closing of the damper or opens the Chengdu to maintain the refrigerator in the set state.
  • the refrigerator can be converted between the following several refrigerating modes or the intake mode:
  • the first type the normal cooling mode, that is, the middle door damper ZM1 and the refrigerating damper LC1 fan blades are opened, the middle door damper ZM2 and the refrigerating damper LC2 fan blades are closed, and the cold air is sucked from the evaporator 50 through the freezing fan 502, and then passes through the first stage of refrigerating
  • the air duct B1 and the second section of the refrigerating air duct B2 are sent to the refrigerating chamber 20 to cool the refrigerating chamber 20, that is, the conventional refrigerator refrigerating air supply mode, and the temperature of the refrigerating air supply port is generally lower than -10 ° C;
  • the second type: high air supply temperature mode that is, the middle door damper ZM1 and the refrigerating damper LC1 fan blades are closed, the middle door damper ZM2 and the refrigerating damper LC2 fan blades are opened, and the cold air is sucked from the evaporator 50 through the freezing fan 502, and passes through the second
  • the right side air passage A and the second section refrigerating air passage B2 of the air duct are sent to the refrigerating chamber 20 to refrigerate the refrigerating chamber 20, and the cold air passes through the right side air passage A of the second air duct to exchange heat with the semiconductor hot end 604.
  • the air is sent to the refrigerating chamber 20, so the air supply temperature to the refrigerating chamber 20 is higher than the conventional cooling mode, and the temperature is about -5 ° C to 0 ° C; in this mode, the middle door return air switch 307 is closed, and the cold air is sent to the refrigerating system.
  • the refrigerating return air passage 206 After the chamber 20 is returned to the bottom of the evaporator 50 through the refrigerating return air passage 206, the cold air is prevented from being sent to the refrigerating air, and part of the cold air flows to the middle door return air passage 306, which affects the air supply volume of the refrigerating; in this mode, the refrigerated air supply
  • the temperature difference between the temperature and the refrigerating and cooling temperature is small, which can prevent freezing of fruits and vegetables inside the refrigerating chamber 20, and is conducive to condensation and freezing inside the air duct of the refrigerator caused by low air supply temperature;
  • the third type mixed air supply mode
  • the middle door damper ZM1 and the refrigerating damper LC1 fan blades are opened
  • the middle door damper ZM2 and the refrigerating damper LC2 fan blades are also opened
  • the cold air is sucked from the evaporator 50 through the freezing fan 502, and passes through the second wind.
  • the right side air passage A and the first section of the refrigerating air passage B1 are sent to the refrigerating chamber 20 via the second refrigerating air passage B2 to cool the refrigerating chamber 20.
  • the refrigerating fan 502 corresponds to a higher fan speed.
  • the refrigerating air supply volume is large, and the supply air temperature is between the first and second supply air temperatures, and the supply air temperature is between -10 ° C and -5 ° C; in this mode, the refrigeration is increased by sending
  • the air volume can achieve rapid cooling, which is suitable for rapid cooling when refrigerating a large amount of hot food; in this mode, the middle door return air is opened 362 off, and the cold air is sent to the bottom of the evaporator 50 after being refrigerated and returned to the bottom of the evaporator.
  • the middle door return air is opened 362 off, and the cold air is sent to the bottom of the evaporator 50 after being refrigerated and returned to the bottom of the evaporator.
  • the middle door return air passage 306 which affects the amount of air supplied by the refrigerating.
  • the cooling of the middle door chamber in this embodiment is separately controlled by the semiconductor module 60, so when the middle door chamber 30 is not required to be used, It can be turned off separately. In addition, it is often unnecessary to open the refrigerating compartment 20 in winter. If it is necessary to separately close the refrigerating compartment, it is only necessary to close the middle door dampers ZM1, ZM2 and/or the refrigerating dampers LC1, LC2, at which time the refrigerating fan 502 follows the evaporator 50. Start and stop and intermittently rotate, thus reducing power consumption.
  • the refrigerator only needs a plurality of refrigerating air supply modes, and the semiconductor module is not required to separately cool the middle door chamber, that is, the second air passage is provided with two air passages, one of which is disposed in the air passage.
  • the heat source that is, is used to heat the cold air, that is, the cold air is sucked from the evaporator through the freezing fan and then sent to the refrigerating chamber through the heat source, so the air supply temperature to the refrigerating chamber is higher than the conventional cooling mode.
  • the opening or closing of the dampers of the two air passages the conversion of the refrigerator between the various refrigerating air supply modes can also be achieved.

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  • 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)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

L'invention concerne un réfrigérateur-congélateur, comprenant : une armoire définissant un compartiment de réfrigérateur (20) et un compartiment de congélateur (40), un conduit d'entrée d'air de réfrigérateur et un conduit d'entrée d'air de congélateur (C) en communication fluidique respectivement avec le compartiment de réfrigérateur (20) et avec le compartiment de congélateur (40), et sont disposés respectivement à coté de ceux-ci; un évaporateur (50) disposé à l'intérieur d'une cavité d'évaporateur (501) derrière le compartiment de congélateur (40), le conduit d'entrée d'air de congélateur (C) étant en communication fluidique avec la cavité d'évaporateur (501); un conduit d'air intermédiaire disposé entre le conduit d'entrée d'air de réfrigérateur et le conduit d'entrée d'air de congélateur (C) et sélectivement en communication fluidique avec le conduit d'entrée d'air de réfrigérateur et le conduit d'entrée d'air de congélateur (C), le conduit d'air intermédiaire comprenant un premier trajet d'air et un second trajet d'air agencés côte à côte; et une source de chaleur (604) disposée dans le second trajet d'air. L'air froid provenant de l'évaporateur (50) peut entrer sélectivement dans le premier trajet d'air et/ou le second trajet d'air par l'intermédiaire du conduit d'entrée d'air de congélateur (C), puis entrer dans le conduit d'entrée d'air de réfrigérateur. De multiples modes pour fournir de l'air au compartiment de réfrigérateur (20) peuvent être obtenus par le réfrigérateur-congélateur, de façon à satisfaire différentes exigences d'utilisateurs.
PCT/CN2016/113438 2016-08-30 2016-12-30 Réfrigérateur-congélateur WO2018040441A1 (fr)

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CN111174518A (zh) * 2018-11-09 2020-05-19 青岛海尔股份有限公司 冰箱
CN111197908A (zh) * 2018-11-19 2020-05-26 青岛海尔特种电冰柜有限公司 具有除湿功能的半导体制冷酒柜及除湿方法
CN114183976A (zh) * 2020-09-15 2022-03-15 青岛海尔电冰箱有限公司 冰箱
CN112984914A (zh) * 2021-03-30 2021-06-18 北京小米移动软件有限公司 一种冰箱及其制冷控制方法
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