WO2019001552A1 - Appareil de réfrigération et de congélation - Google Patents

Appareil de réfrigération et de congélation Download PDF

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Publication number
WO2019001552A1
WO2019001552A1 PCT/CN2018/093534 CN2018093534W WO2019001552A1 WO 2019001552 A1 WO2019001552 A1 WO 2019001552A1 CN 2018093534 W CN2018093534 W CN 2018093534W WO 2019001552 A1 WO2019001552 A1 WO 2019001552A1
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WO
WIPO (PCT)
Prior art keywords
refrigerating
variable
fan
greenhouse
compartment
Prior art date
Application number
PCT/CN2018/093534
Other languages
English (en)
Chinese (zh)
Inventor
曹东强
陈君
刘建如
朱小兵
曾凡君
Original Assignee
青岛海尔特种电冰箱有限公司
青岛海尔股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 青岛海尔特种电冰箱有限公司, 青岛海尔股份有限公司 filed Critical 青岛海尔特种电冰箱有限公司
Publication of WO2019001552A1 publication Critical patent/WO2019001552A1/fr

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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
    • 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
    • F25D17/062—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 in household refrigerators
    • F25D17/065—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 in household refrigerators with 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F25B39/02—Evaporators
    • 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
    • F25D23/00—General constructional features
    • 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
    • F25D2317/061—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 through special compartments
    • 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
    • F25D2317/063—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 with air guides
    • 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
    • F25D2317/068—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 the fans
    • F25D2317/0682—Two or more fans

Definitions

  • the present invention relates to refrigeration, refrigeration storage technology, and more particularly to a refrigeration and refrigeration device.
  • the evaporator of the refrigerator compartment is generally attached to the back of the liner, and the evaporator is hidden in the foam layer after foaming.
  • the temperature of the cold produced by the evaporator is lowered, and heat is exchanged between the inner tank and the compartment.
  • the cooling airflow sent therein is basically the same as the refrigerating compartment.
  • the temperature of the cooling air stream fed in is almost the same. Therefore, the temperature in the changing greenhouse is also greatly affected by the temperature of the refrigerating chamber, and the temperature therein is generally not adjustable.
  • Another object of the invention is to avoid the effects of the refrigerating compartment on the greenhouse.
  • Still another object of the present invention is to reduce the flow resistance of the airflow and increase the flow velocity of the airflow, thereby improving the cooling efficiency and the cooling effect.
  • the present invention provides a refrigerating and freezing apparatus, comprising:
  • a cabinet defining therein a refrigerating compartment for storing articles and a greenhouse, and a duct located behind the refrigerating compartment and the variable greenhouse;
  • An evaporator disposed vertically in the air passage for heat exchange with air flowing therethrough to generate a cooling airflow
  • a refrigerating fan disposed in the air duct to be controlled to be activated when the refrigerating compartment needs to be cooled, thereby driving a cooling airflow to the refrigerating compartment;
  • variable temperature fan disposed in the air duct to be controlled to be activated when the variable greenhouse needs to be cooled, thereby driving a cooling airflow to the greenhouse;
  • variable temperature fan further enters the variable greenhouse.
  • the air duct is separated from the cold storage chamber and the greenhouse by a duct cover;
  • variable temperature fan is staggered from the refrigerating fan in a height direction of the casing, and the wind shielding device is located between the refrigerating fan and the variable temperature fan in a width direction of the casing, in the The depth direction of the casing is located between the duct cover and the evaporator.
  • a front side surface of the wind shield that is on the front side in the depth direction of the box abuts against the air duct cover, and is behind the rear side of the box body in the depth direction. Abutting the surface to the evaporator.
  • a top end of the wind shield extending upward in a height direction of the box is spaced apart from a top wall of the box by a predetermined distance, so that the variable temperature fan and the refrigerating fan are located at the The space above the windshield is connected.
  • the refrigerating chamber and the variable greenhouse are arranged in the up and down direction;
  • the air duct includes a air supply duct located behind the refrigerator compartment and a machine room located behind the variable greenhouse, and the refrigerating fan and the variable temperature fan are both located in the machine room.
  • the evaporator extends vertically downward from a top of the air supply duct to a bottom of the machine room;
  • the height of the wind shield extending in the height direction of the casing is lower than the height of the evaporator in the direction.
  • the refrigerating compartment is separated from the air supply duct by a refrigerating air duct cover, and the refrigerating air duct cover is provided with a refrigerating air supply opening.
  • variable greenhouse is separated from the mechanical chamber by a variable temperature air duct cover, and the variable temperature air duct cover is provided with a variable temperature air supply opening.
  • a lower air outlet is connected to the mechanical chamber below the variable greenhouse.
  • the case includes a case for forming an outer portion thereof, a liner for forming an inner portion thereof, and a foam layer formed between the case and the inner liner;
  • a gap is left between the evaporator and the rear wall of the inner tank to prevent cold from being transmitted to the outside of the tank through the rear wall of the inner casing.
  • the refrigerating and freezing apparatus of the present invention is provided with two wind turbines respectively controlled to drive air to the refrigerating compartment and the variable greenhouse, respectively, and a wind shield is further provided in the duct.
  • the variable temperature fan starts. Due to the presence of the windshield device, whether the refrigerating chamber needs refrigeration or not, the airflow that flows through the variable temperature fan and flows into the variable greenhouse is the cooling airflow flowing through the heat exchange area of the longer evaporator surface. The cooling airflow is sufficiently cooled and the temperature is low, thereby ensuring that the variable greenhouse has a wide range of variable temperatures.
  • the refrigerating fan is activated, and the air is exchanged by the surface of the evaporator to form a cooling airflow and then enters the refrigerating compartment. Since the variable temperature fan is not activated, most of the air is blocked outside the greenhouse without entering the greenhouse due to the blocking action of the wind shield, thereby avoiding the impact on the greenhouse.
  • the present invention shifts the variable temperature fan and the refrigerating fan so that the variable temperature fan is located obliquely above the refrigerating fan.
  • the present invention can increase the position above the refrigerating fan and in the lateral direction.
  • the thickness of the portion of the space juxtaposed with the variable temperature fan in the front-rear direction increases the cross-sectional area of the airflow in a portion above the refrigerating fan, reduces the airflow resistance, and increases the airflow velocity, thereby improving the Cooling efficiency and cooling effect.
  • FIG. 1 is a schematic front view of a refrigerating and freezing apparatus according to an embodiment of the present invention
  • Figure 2 is a schematic cross-sectional view taken along line A-A of Figure 1;
  • Figure 3 is a schematic side view of a refrigerating and freezing apparatus according to an embodiment of the present invention.
  • FIG. 4 is a schematic air circulation diagram of a refrigerating and freezing apparatus in a refrigerating compartment only when it is cooled according to an embodiment of the present invention
  • Figure 5 is a schematic air circulation diagram of a refrigerating and freezing apparatus in a greenhouse only when it is cooled according to an embodiment of the present invention
  • Fig. 6 is a schematic air circulation diagram of a refrigerating and freezing apparatus for simultaneous cooling in a refrigerating compartment and a variable greenhouse according to an embodiment of the present invention.
  • the embodiment of the invention provides a refrigerating and freezing device, which can be a direct cooling refrigerator, a wind direct cooling refrigerator or other devices that use a combination of direct cooling or direct cooling and air cooling.
  • a refrigerating and freezing device which can be a direct cooling refrigerator, a wind direct cooling refrigerator or other devices that use a combination of direct cooling or direct cooling and air cooling.
  • FIG. 1 is a schematic front view of a refrigerating and freezing apparatus according to an embodiment of the present invention
  • FIG. 2 is a schematic cross-sectional view taken along line AA of FIG. 1
  • FIG. 3 is a refrigerating and freezing apparatus according to an embodiment of the present invention. Schematic side view.
  • the refrigerating and freezing apparatus 1 provided by the present invention includes a casing 10, an evaporator 20, a refrigerating fan 30, a variable temperature fan 40, and a wind blocking device 50.
  • the refrigerator 10 defines a refrigerating compartment 11 for storing articles and a greenhouse 12, and an air duct 13 located behind the refrigerating compartment 11 and the variable greenhouse 12.
  • the refrigerating chamber 11 and the changing chamber 12 are sequentially arranged in the up and down direction, that is, the refrigerating chamber 11 is located above the changing chamber 12.
  • the refrigerating compartment 11 may also be located below or to the side of the greenhouse 12.
  • a vegetable compartment 17 located below the variable greenhouse 12 or a compartment having other functions e.g., freezing function
  • the evaporator 20 is placed vertically in the duct 13 for heat exchange with the air flowing therethrough to generate a cooling air stream.
  • the refrigerating fan 30 is disposed in the duct 13 to be controlled to be activated when the refrigerating chamber 11 needs to be cooled, thereby driving the cooling airflow to the refrigerating chamber 11.
  • the variable temperature fan 40 is disposed in the air duct 13 to be controlled to be activated when the greenhouse 12 is required to cool, thereby driving the cooling airflow to the greenhouse 12.
  • the wind shield device 50 is disposed in the air duct 13 and configured to prevent the cooling airflow from entering the variable greenhouse 12 when the temperature change fan 40 is in a stopped state, and to cause the cooling airflow to enter the temperature change fan 40 from bottom to top when the temperature change fan 40 is in the running state. And then enter the greenhouse.
  • the refrigerating and freezing apparatus 1 of the present invention is configured to drive air to the refrigerating compartment 11 and the changing greenhouse 12 by providing two fans separately controlled, and a wind shield 50 is further provided in the duct 13.
  • the temperature change fan 40 is started. Due to the presence of the wind shield device 50, regardless of whether the refrigerating chamber 11 needs to be cooled, the airflow that is driven by the variable temperature fan 40 and flows into the variable greenhouse flows through the surface of the longer evaporator 20. The cooling airflow of the heat exchange area is sufficiently cooled and the temperature is low, thereby ensuring that the variable greenhouse 12 has a wide variable temperature range.
  • the refrigerating fan 30 is activated, and the air is exchanged by the surface of the evaporator 20 to form a cooling airflow, and then enters the refrigerating compartment 11. Since the temperature change fan 40 is not activated, most of the air is blocked outside the greenhouse 12 without entering the greenhouse 12 under the blocking action of the wind shield 50, thereby avoiding the influence on the greenhouse 12.
  • the air duct 13 is separated from the refrigerating compartment 11 and the variable greenhouse 12 by a duct cover 60.
  • the variable temperature fan 40 is shifted from the refrigerating fan 30 in the height direction of the casing 10. Specifically, the variable temperature fan 40 is located obliquely above the refrigerating fan 30, and the present invention can increase the position above the refrigerating fan 30 and laterally with the variable temperature fan as compared with the case where the variable temperature fan 40 is disposed directly above the refrigerating fan 30.
  • the thickness of the portion of the space in the front-rear direction ie, the depth direction of the casing 10
  • the cross-sectional area of the airflow flowing in a portion above the refrigerating fan 30 reduces the airflow resistance and increases the airflow velocity. , thereby improving the cooling efficiency and cooling effect.
  • wind shield 50 is located between the refrigerating fan 30 and the variable temperature fan 40 in the width direction of the casing 10, and between the cover 13 of the duct 13 and the evaporator 20 in the depth direction of the casing 10.
  • the front side surface of the wind shield device 50 on the front side in the depth direction of the casing 10 abuts against the air passage 13 cover plate, and the rearward surface on the rear side in the depth direction of the casing 10 abuts In the evaporator 20.
  • the wind shield 50 can separate the refrigerating fan 30 and the variable temperature fan 40 in the lateral direction, thereby avoiding interference of the airflow in the adjacent areas.
  • the airflow driven by the refrigerating fan 30 flows only in the sub-ducts of the air duct 13 on the side of the wind-shielding device 50 facing the refrigerating fan 30, avoiding the refrigerating fan
  • the 30-driven airflow enters the greenhouse 12 to affect it.
  • the top end of the wind shield 50 extending upward in the height direction of the casing 10 is spaced apart from the top wall of the casing 10 by a predetermined distance to allow the temperature change fan 40 and the refrigerating fan 30 to pass through the wind shield.
  • the space above the device 50 is in communication. That is, a predetermined space is left between the top end of the wind shield 50 and the top wall of the casing 10 to facilitate communication with the sub air duct located on the side of the wind shield 50 facing the refrigerating fan 30 and at the wind shield.
  • the other air passage of 50 is on the side of the variable temperature fan 40.
  • the air duct 13 includes a blower duct 131 located behind the refrigerating compartment 11 and a machine compartment 132 located behind the variable greenhouse 12, and both the refrigerating fan 30 and the variable temperature fan 40 are located in the machine room 132. That is, the air supply duct 131 is located above the machine room 132 and communicates with the machine room 132. Further, the refrigerating compartment 11 and the air supply duct 131 are separated by a refrigerating duct cover 61, and the refrigerating duct cover 61 is provided with a refrigerating air supply opening 611.
  • the temperature change chamber 12 and the machine room 132 are separated by a temperature change air passage cover 62, and the temperature change air passage cover 62 is provided with a temperature change air supply port 621.
  • the duct cover 60 may include a refrigerating duct cover 61 for separating the refrigerating chamber 11 from the blow duct 131 and a variable temperature duct cover for separating the change chamber 12 from the machine room 132. Board 62.
  • a return air opening 121 communicating with the mechanical chamber 132 is provided below the variable greenhouse 12 to facilitate return of the refrigerating chamber 11 and/or the return air of the greenhouse 12 to the mechanical chamber 132.
  • the return air opening 121 can be opened at the bottom of the variable temperature air duct cover 61.
  • FIG. 4 is a schematic air circulation diagram of a refrigerating and freezing apparatus in a refrigerating compartment only in accordance with an embodiment of the present invention.
  • the compressor of the refrigerating and freezing apparatus 1 is operated, the refrigerating fan 30 is started, and the variable temperature fan 40 is stopped.
  • the return air in the refrigerating chamber 11 is returned to the machine room 132 through the return air opening 121, and is along the surface of the evaporator 20 in the sub-duct located on the side of the wind-shielding device 50 facing the refrigerating fan 30. Flow upwards.
  • FIG. 5 is a schematic air circulation diagram of a refrigerating and freezing apparatus in a greenhouse only when it is cooled in accordance with one embodiment of the present invention.
  • the compressor of the refrigerating and freezing apparatus 1 is operated, the refrigerating fan 30 is stopped, and the variable temperature fan 40 is started.
  • the airflow in the refrigerating chamber 11 flows into the air supply duct 131 through the refrigerating air supply port 611, and along the evaporator 20 in the sub air duct located on the side of the wind deflecting device 50 facing the temperature changing fan 40. The surface flows down.
  • the refrigerating air supply port 611 is used as a return air port.
  • the air comes into contact with the surface of the evaporator 20, heat exchange occurs with the evaporator 20, thereby forming a cooling airflow.
  • the cooling airflow enters the variable greenhouse 12 through the variable temperature air supply port 621 on the variable temperature air duct cover 62, thus forming a refrigeration cycle of the variable greenhouse 12, thereby achieving the purpose of changing the greenhouse 12 refrigeration.
  • the airflow flowing into the variable greenhouse 12 is formed by the heat exchange surface flowing through the evaporator 20 from the top thereof to the section of the same height as the variable temperature fan 40. Cooling airflow.
  • the length of the evaporator 20 flowing through the cooling airflow flowing into the greenhouse 12 of the present invention is greatly increased, thereby increasing the heat exchange area, prolonging the heat exchange time, and allowing the airflow to be sufficiently cooled. It is ensured that the variable greenhouse 20 can have a wide variable temperature range to meet the needs of users.
  • Fig. 6 is a schematic air circulation diagram of a refrigerating and freezing apparatus for simultaneous cooling in a refrigerating compartment and a variable greenhouse according to an embodiment of the present invention.
  • the compressor of the refrigerating and freezing apparatus 1 is operated, and both the refrigerating fan 30 and the variable temperature fan 40 are activated.
  • the return air in the refrigerating chamber 11 is returned to the machine room 132 through the return air opening 121, and is along the surface of the evaporator 20 in the sub-duct located on the side of the wind-shielding device 50 facing the refrigerating fan 30.
  • the cooling airflow is divided into two parts in a space above the windshield device 50, and a part of the cooling airflow enters the refrigerating chamber 11 through the refrigerating air supply port 611 on the refrigerating air duct cover 61, thus forming a refrigerating cycle of the refrigerating chamber 11
  • the purpose of cooling the refrigerator compartment 11 is.
  • variable temperature fan 40 is located above the refrigerating fan 30 in the height direction of the tank 10. Specifically, the temperature change fan 40 may be located obliquely above the refrigerating fan 30.
  • the evaporator 20 extends vertically downward from the top of the blower duct 131 to the bottom of the machine chamber 132. That is, the evaporator 20 is almost the same height as the entire air duct 13, whereby the area of the airflow flowing through the evaporator 20 can be increased regardless of whether the refrigerating chamber 11 requires refrigeration or the greenhouse 12 needs to be cooled, thereby improving heat exchange. Efficiency and heat transfer.
  • the height of the wind shield 50 extending in the height direction of the casing 10 is lower than the height of the evaporator 20 in this direction.
  • the wind shield 50 may include a straight section extending vertically downward and a curved section connected to the straight section and half-circle around the variable temperature fan 40 to better convert the variable temperature fan 40 and the refrigerating fan 30 apart.
  • the casing 10 includes a casing 14 for forming an exterior thereof, a liner 15 for forming an interior thereof, and a foamed layer 16 formed between the casing 14 and the liner 15.
  • a gap is left between the evaporator 20 and the rear wall of the inner liner 15 to prevent the cooling amount from being transmitted to the outside of the casing 10 through the rear wall of the inner casing 15.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

L'invention concerne un appareil de réfrigération et de congélation (1) qui comprend: un corps de boîtier (10), ayant intérieurement un compartiment réfrigéré (11) et un compartiment à température variable (12), et un conduit d'air (13) situé derrière le compartiment réfrigéré (11) et le compartiment à température variable (12); un évaporateur (20), placé verticalement dans le conduit d'air (13) de façon à être utilisé pour un échange de chaleur avec l'air s'écoulant à travers celui-ci et générant ainsi un écoulement d'air de refroidissement; un ventilateur de réfrigération (30), agencé dans le conduit d'air (13) de façon à être commandé à s'activer lorsqu'il est nécessaire pour le compartiment réfrigéré (11) de refroidir, entraînant ainsi le flux d'air de refroidissement à s'écouler vers le compartiment réfrigéré (11); un ventilateur à température variable (40), disposé dans le conduit d'air (13) de manière à être commandé à s'activer lorsqu'il est nécessaire pour le compartiment à température variable (12) de refroidir, entraînant ainsi le flux d'air de refroidissement à s'écouler vers le compartiment à température variable (12); un appareil de blocage d'air (50), agencé dans le conduit d'air (13) et configuré pour arrêter le flux d'air de refroidissement d'entrer dans le compartiment à température variable (12) lorsque le ventilateur à température variable (40) est dans un état arrêté, et pour amener le flux d'air de refroidissement à entrer dans le ventilateur à température variable de bas en haut lorsque le ventilateur à température variable est dans un état de fonctionnement, et ainsi entrer dans le compartiment à température variable. L'invention réduit l'effet sur la température du compartiment à température variable (12) sur le compartiment réfrigéré (11), et le trajet d'échange de chaleur d'air du compartiment à température variable (12) est plus long, ce qui induit que la plage de variation de température est plus large.
PCT/CN2018/093534 2017-06-30 2018-06-29 Appareil de réfrigération et de congélation WO2019001552A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710527255.7 2017-06-30
CN201710527255.7A CN107421205B (zh) 2017-06-30 2017-06-30 冷藏冷冻装置

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WO2019001552A1 true WO2019001552A1 (fr) 2019-01-03

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Cited By (1)

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CN112444036A (zh) * 2019-09-04 2021-03-05 青岛海尔特种电冰柜有限公司 一种送风装置顶置的多温区酒柜

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CN107421205B (zh) * 2017-06-30 2019-10-01 青岛海尔特种电冰箱有限公司 冷藏冷冻装置
CN111829283A (zh) * 2019-04-16 2020-10-27 青岛海尔特种电冰柜有限公司 制冷设备
CN114251894B (zh) * 2020-09-24 2023-11-14 海信容声(广东)冰箱有限公司 一种冰箱
CN115479436B (zh) * 2021-05-31 2024-05-14 重庆海尔制冷电器有限公司 风道组件、冰箱及其控制方法

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