WO2015010405A1 - 冰箱 - Google Patents

冰箱 Download PDF

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Publication number
WO2015010405A1
WO2015010405A1 PCT/CN2013/088149 CN2013088149W WO2015010405A1 WO 2015010405 A1 WO2015010405 A1 WO 2015010405A1 CN 2013088149 W CN2013088149 W CN 2013088149W WO 2015010405 A1 WO2015010405 A1 WO 2015010405A1
Authority
WO
WIPO (PCT)
Prior art keywords
refrigerating
freezing
fan
air
evaporator
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.)
Ceased
Application number
PCT/CN2013/088149
Other languages
English (en)
French (fr)
Inventor
蒋继安
刘建如
宫久玲
唐松志
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Haier Group Corp
Qingdao Haier Co Ltd
Qingdao Haier Refrigerator Co Ltd
Original Assignee
Haier Group Corp
Qingdao Haier Co Ltd
Qingdao Haier Refrigerator Co Ltd
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 Haier Group Corp, Qingdao Haier Co Ltd, Qingdao Haier Refrigerator Co Ltd filed Critical Haier Group Corp
Publication of WO2015010405A1 publication Critical patent/WO2015010405A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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

Definitions

  • the present invention relates to refrigeration technology, and more particularly to a refrigerator.
  • the air supply system of the existing refrigerator mainly consists of a freezer evaporator, a freezer fan, a refrigerating air supply duct and a freezing air supply duct, and the cold air passing through the evaporator is sent to the refrigerating air supply duct and the freezing through the freezer fan.
  • the air duct is sent, and the cold air is separately sent to the refrigerating compartment and the freezing compartment to realize the refrigeration and freezing function of the refrigerator.
  • a refrigerating damper is arranged in the refrigerating air supply duct, and the cross-sectional area of the refrigerating air supply duct is adjusted by the refrigerating damper to adjust the air volume entering the refrigerating compartment and the freezing compartment.
  • the cross-sectional area of the refrigerating air duct is adjusted by the refrigerating damper, the cross-sectional area of the refrigerating air duct is adjusted to be small.
  • the amount of air entering the refrigerating compartment is reduced, and the amount of air entering the freezing compartment is increased, and the refrigerating damper regulates the temperature of the refrigerating compartment and the temperature of the freezing compartment by adjusting the air volume distribution into the refrigerating compartment and the freezing compartment.
  • the existing single-fan air duct structure refrigerator can only adjust the cross-sectional area of the refrigerating air supply duct through the refrigerating damper structure, thereby controlling the air volume distribution of the refrigerating compartment and the freezing compartment, and the proportion of the refrigerating damper adjusting the air volume is limited. It is only possible to control the cross-sectional area of the refrigerating air supply duct, and thus the temperature of the refrigerating compartment or the freezing compartment cannot be separately controlled.
  • the present invention provides a refrigerator for solving the technical drawback that the refrigerator of the prior art cannot individually control the temperature of the refrigerating compartment or the freezing compartment.
  • the invention provides a refrigerator, comprising a freezing compartment, a refrigerating compartment, a refrigerating circulation duct and a refrigerating circulation duct, a refrigeration cycle system and a control system;
  • the refrigerating circulation duct includes a refrigerating air duct and a refrigerating return air duct, the refrigerating air duct and the refrigerating return air duct communicating with the refrigerating chamber and an evaporator of the refrigerating cycle system; and the refrigerating air supply duct a refrigerating fan is installed at the entrance;
  • the refrigerating circulation duct includes a freezing air duct and a freezing return air duct, the freezing air duct and the freezing return air duct are connected to the freezing chamber and the evaporator, and a freezing fan is disposed near the inlet of the freezing air duct ;
  • the control system is for controlling the opening or closing of the refrigerating fan, the refrigerating fan, and the compressor in the refrigeration cycle system to achieve various operating modes.
  • the freezing compartment is partitioned out of the evaporator chamber by a partition, and the evaporator, the freezing fan, and the refrigerating fan are disposed in or connected to the evaporator chamber Within the space.
  • the refrigerating circulation duct includes a freezing vent and a freezing return vent;
  • the freezing air outlet and the freezing air return port are in communication with the evaporator chamber; the refrigerating air outlet and the refrigerating air return port are in communication with the evaporator chamber.
  • the refrigerating circulation duct includes a refrigerating air outlet and a refrigerating air return port;
  • the refrigerated air outlet is in communication with an evaporator chamber, and the refrigerating air return port is in communication with the evaporator chamber.
  • the evaporator is a fin evaporator.
  • the evaporator is provided with a defrosting heating wire.
  • the control system includes a main control board, a refrigerating sensor, a freezing sensor, and a defrost sensor;
  • the refrigerating sensor is disposed in the refrigerating chamber, the freezing sensor is disposed in the freezing chamber, and the defrost sensor is disposed on the evaporator;
  • the refrigeration sensor, the freezing sensor and the defrosting sensor are connected to the main control board;
  • the main control board is connected to the freezing fan, the refrigerating fan, the defrosting heating wire and the compressor;
  • the main control board is configured to control the operation of the refrigerating fan, the refrigerating fan, the defrosting heating wire, and the compressor according to the detection signals of the refrigerating sensor, the freezing sensor, and the defrost sensor.
  • control system further includes a display panel connected to the control panel for displaying an operating state of the refrigerator.
  • control system further includes a fuse that is connected in series to the circuit of the defrosting heater.
  • the freezing compartment is disposed above the refrigerating compartment.
  • the refrigerator provided by the invention is provided with an independent refrigerating circulation air passage and a refrigerating circulation air passage, and the independent refrigerating chamber can be independently controlled by the independent refrigerating circulation air passage, and the freezing chamber can be independently sent through the independent refrigerating circulation air passage.
  • the wind control makes the temperature control of the refrigerating compartment and the freezing compartment more precise and the temperature range is wider.
  • the refrigerator can realize more cooling functions to meet more needs of users.
  • FIG. 1 is a front view of a refrigerator in a refrigerated air supply state according to an embodiment of the present invention
  • Figure 2 is a left side view of the refrigerator shown in Figure 1;
  • FIG. 3 is a front view of a refrigerator in a state of freezing alone in a wind supply according to an embodiment of the present invention
  • Figure 4 is a left side view of the refrigerator shown in Figure 3;
  • FIG. 5 is a schematic diagram of a control system according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of a refrigeration cycle system according to an embodiment of the present invention.
  • FIG. 1 is a front view of a refrigerator in a refrigerated air supply state according to an embodiment of the present invention
  • FIG. 2 is a left side view of the refrigerator shown in FIG. 1
  • 4 is a left side view of the refrigerator shown in FIG. 3
  • FIG. 5 is a schematic diagram of a control system according to an embodiment of the present invention
  • FIG. 6 is a schematic diagram of a refrigeration cycle system according to an embodiment of the present invention.
  • the refrigerator provided in this embodiment includes a freezing compartment 1, a refrigerating compartment 2, a refrigerating circulation duct 3, a refrigerating circulation duct 4, a refrigeration cycle system 5, and a control system 6.
  • the refrigerating circulation duct 3 includes a refrigerating air duct 31 and a refrigerating return duct 32, and the refrigerating air duct 31 and the refrigerating return duct 32 communicate with the refrigerating chamber 2 and the evaporator 52 of the refrigerating cycle system 5; the inlet of the refrigerating air duct 31
  • a refrigerating fan 7 is provided at the place.
  • the refrigerating fan 7 can be disposed at the inlet of the refrigerating air supply duct 31, and the air blowing efficiency of the refrigerating fan 7 can be improved.
  • the refrigerating fan 7 may be disposed at a position spaced apart from the inlet of the refrigerating air supply duct 31.
  • the refrigerating circulation duct 4 includes a refrigerating air duct and a refrigerating return duct, and the refrigerating air duct and the refrigerating air duct are connected to the freezing chamber 1 and the evaporator 52, and the freezing fan 8 is disposed near the inlet of the freezing air duct.
  • the freezing fan 8 can be installed at the inlet of the freezing air duct, and the air blowing efficiency of the freezing fan 8 can be improved. Of course, the freezing fan 8 can also be placed at a certain distance from the inlet of the freezer air duct.
  • the control system 6 is for controlling the opening or closing of the refrigerating fan 7, the refrigerating fan 8, and the compressor 51 in the refrigerating cycle system 5 to achieve various operating modes.
  • the refrigerating circulation duct 3 and the refrigerating circulation duct 4 share an evaporator 52, and the freezing chamber 1 can be separated from the evaporator chamber 11 through the partition plate, and the evaporator 52, the refrigerating fan 8 and the refrigerating fan 7 are disposed. In the space in which the evaporator chamber 11 communicates with the evaporator chamber 11.
  • the refrigerating circulation duct 4 may include a freezing vent 44 and a freezing return vent 45.
  • the freezing air outlet 44 and the freezing air return port 45 are in communication with the evaporator chamber 11.
  • the refrigerating circulation duct 3 includes a refrigerating air outlet 46 and a refrigerating air return port 47; the refrigerating air outlet 46 communicates with the evaporator chamber 11, and the refrigerating air return port 47 communicates with the evaporator chamber 11.
  • the evaporator 52 may be a fin evaporator.
  • the freezing compartment 1 may be disposed above the refrigerating compartment 2, and the freezing compartment 1 may be disposed below the refrigerating compartment 2.
  • the refrigeration cycle system 5 includes a compressor 51, a condenser 54, a capillary 53 and an evaporator 52 which are sequentially connected in series, and the evaporator 52 is a refrigerating member, and the direction of the arrow in the figure indicates the refrigerant in the refrigeration cycle system 6. Flow direction.
  • the refrigerator provided in this embodiment is provided with an independent refrigerating circulation duct and a refrigerating circulation duct, and the independent refrigerating chamber can be independently controlled by the independent refrigerating circulation duct, and the freezer compartment can be independent through the independent refrigerating circulation duct.
  • the air supply control makes the temperature control of the refrigerating room and the freezing room more precise and the temperature range is wider.
  • the refrigerator can realize more cooling functions to meet more needs of users.
  • a defrosting heating wire 66 may be disposed on the evaporator.
  • the control system 6 may include a main control board 61, a refrigerating sensor 62, a freezing sensor 63, and a defrost sensor 64; the refrigerating sensor 62 is disposed in the refrigerating compartment 2, and the freezing sensor 63 is disposed in the freezing compartment 1
  • the frost sensor 64 is disposed on the evaporator 52; the refrigerating sensor 62, the freezing sensor 63, and the defrost sensor 64 are connected to the main control board 61; the main control board 61 and the freezing fan 8, the refrigerating fan 7, the defrosting heating wire 66, and the compressor 51 connections.
  • the main control board 61 is for controlling the operation of the refrigerating fan 7, the freezing fan 8, the defrosting heating wire 66, and the compressor 51 based on the detection signals of the refrigerating sensor 62, the freezing sensor 63, and the defrost sensor 64.
  • control system 6 further includes a display panel 65 connected to the control panel 61 for displaying the operating state of the refrigerator.
  • the display panel 65 may be provided with a freezing temperature button and a refrigerating temperature button to respectively display the freezing compartment 1
  • the temperature and the temperature of the refrigerating chamber 2 are set, and the temperatures of the freezing compartment 1 and the refrigerating compartment 2 can be adjusted.
  • Control system 6 also includes a fuse 67 that is coupled in series with the circuitry of defrosting heater 66.
  • the refrigerator has two independent air supply cycles, one is a refrigerating air supply cycle, and the other is a refrigerating air supply cycle.
  • the cold air is blown by the refrigerating fan 7 to the refrigerating air supply duct 31 and then enters the refrigerating air outlet 46.
  • the refrigerating air return port 47 is refrigerated and returned to the air. Lane 32 returns to evaporator 52.
  • the cold air is directly blown into the freezing chamber 1 through the freezing air duct and the freezing air outlet 44 through the freezing fan 8, and then the refrigerating air return port 45 and the refrigerating return air passage. Return to the evaporator 52.
  • the first mode during normal cooling, the main control board 61 controls the operation of the compressor 51, and the main control board 61 controls the refrigerating fan 7 and the refrigerating fan 8 to be simultaneously opened, and respectively passes through the refrigerating circulation duct 4 and the refrigerating circulation duct 3 to the freezing compartment. 1 and the refrigerating chamber 2 supplies air to achieve simultaneous cooling.
  • the main control board 61 controls the freezing fan 8 to stop, and when both the refrigerating sensor 62 and the freezing sensor reach the set temperature, the main control board 61 controls the compressor to stop operating.
  • the main control board 61 controls the compressor 51 to start.
  • the refrigerating compartment 2 and the freezing compartment 1 can independently supply air, and the cooling effect is better.
  • the second mode after the compressor 51 is accumulated for a certain period of time, the main control board 61 controls the compressor 51 and the refrigerating fan 7 to stop working, the freezing fan 8 and the compressor 51 continue to operate for several minutes, and the compressor 51 stops working, and then After a period of time, the freezing fan 8 also stops working. Two minutes later, the main control board 61 controls the operation of the refrigerating fan 7 while the defrosting heating wire 66 is heated to realize the defrosting function. When the refrigerating sensor 62 is lower than 2 degrees, the main control board 61 controls the refrigerating fan 7 to stop, and after the defroster sensor 64 reaches the set temperature, the defrosting heating wire 66 stops heating, and the defrosting ends. When defrosting, refrigerating and simultaneously blowing air can reduce the power consumption of defrosting and improve the fresh-keeping effect of the refrigerating compartment.
  • the main control board 61 controls the operation of the compressor 51, the freezing fan 8 is stopped, and the refrigerating fan 7 is operated, so that the refrigerating and cooling function can be realized.
  • the temperature of the refrigerating sensor 62 is lower than 5 degrees, the quick cooling function is exited and the normal operating state is entered.
  • the display panel 65 is provided with a refrigerating closing button and a freezing closing button.
  • the main control panel 61 can control the refrigerating fan 7 to stop running, and only the refrigerating fan 8 is operated to realize the refrigerating compartment 2 closing function.
  • the freeze-close button is operated, the main control board 61 controls the freezing fan 8 to stop operating, and only the refrigerating fan 7 operates to realize the closing function of the freezing compartment 1.
  • the refrigerating compartment 2 or the freezing compartment 1 can be individually controlled to be cooled or closed, and the refrigerating compartment 2 or the freezing compartment 1 can be widely temperature-changed.

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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)

Abstract

一种冰箱，包括冷冻室（1）、冷藏室（2）、冷藏循环风道（3）、冷冻循环风道（4）、制冷循环系统（5）和控制系统（6）；冷藏循环风道（3）和冷冻循环风道（4）共用一个蒸发器（52），但各自均包括独立的送风道、回风道以及设置在靠近送风道入口处的风机（7，8），以使冷风分别向冷藏室（2）或冷冻室（1）循环，从而构成相互独立的冷藏循环风道（3）和冷冻循环风道（4），实现对冷藏室（2）或冷冻室（1）的独立送风。控制系统（6）用于控制冷藏风机（7）、冷冻风机（8）以及制冷循环系统（5）中的压缩机（51）的开启或关闭，以实现多种工作模式。

Description

冰箱
本申请要求了申请日为2013年07月25日，申请号为201310317645.3，发明名称为“冰箱”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
【技术领域】
本发明涉及制冷技术，尤其涉及一种冰箱。
【背景技术】
现有的冰箱的送风系统主要由冷冻室蒸发器、冷冻室风扇、冷藏送风道和冷冻送风道组成，通过冷冻室风扇将经过蒸发器的冷空气分别送到冷藏送风道和冷冻送风道，进而将冷空气分别送到冷藏室和冷冻室内，实现冰箱的冷藏和冷冻功能。在冷藏送风道内设置有冷藏风门，通过冷藏风门调节冷藏送风道的截面积大小，调节进入冷藏室和冷冻室的风量大小，当通过冷藏风门将冷藏送风道的截面积调小时，则进入冷藏室内的风量减小，而进入冷冻室的风量增大，冷藏风门通过调节进入冷藏室和冷冻室的风量分配，从而调节冷藏室温度和冷冻室温度。
综上可看出，现有的单风扇风道结构冰箱，只能通过冷藏风门结构来调节冷藏送风道截面面积，从而控制冷藏室和冷冻室风量分配，由于冷藏风门调节风量的比例有限，且只能控制冷藏送风道的截面面积的大小，因而不能单独控制冷藏室或冷冻室的温度。
【发明内容】
本发明提供一种冰箱，用于解决现有技术中的冰箱不能单独控制冷藏室或冷冻室的温度的技术缺陷。
本发明提供的一种冰箱，包括冷冻室、冷藏室、冷藏循环风道和冷冻循环风道、制冷循环系统和控制系统；
所述冷藏循环风道包括冷藏送风道和冷藏回风道，所述冷藏送风道和冷藏回风道连通所述冷藏室和所述制冷循环系统的蒸发器；靠近所述冷藏送风道入口处设置有冷藏风机；
所述冷冻循环风道包括冷冻送风道和冷冻回风道，所述冷冻送风道和冷冻回风道连通所述冷冻室和蒸发器，靠近所述冷冻送风道入口处设置有冷冻风机；
所述控制系统用于控制所述冷藏风机、冷冻风机以及所述制冷循环系统中的压缩机的开启或关闭，以实现多种工作模式。
如上所述的冰箱，优选地，通过隔板将所述冷冻室隔设出蒸发器室，所述蒸发器、冷冻风机和冷藏风机设置在所述蒸发器室或与所述蒸发器室相连通的空间内。
如上所述的冰箱，优选地，所述冷冻循环风道包括冷冻出风口和冷冻回风口；
所述冷冻出风口和冷冻回风口与所述蒸发器室连通；所述冷藏出风口和冷藏回风口与所述蒸发器室连通。
如上所述的冰箱，优选地，所述冷藏循环风道包括冷藏出风口和冷藏回风口；
所述冷藏出风口与蒸发器室连通，所述冷藏回风口与蒸发器室连通。
如上所述的冰箱，优选地，所述蒸发器为翅片蒸发器。
如上所述的冰箱，优选地，所述蒸发器上设置有化霜加热丝。
如上所述的冰箱，优选地，所述控制系统包括主控板、冷藏传感器、冷冻传感器和化霜传感器；
所述冷藏传感器设置在所述冷藏室内，所述冷冻传感器设置在所述冷冻室内，所述化霜传感器设置在所述蒸发器上；
所述冷藏传感器、冷冻传感器和化霜传感器与所述主控板连接；所述主控板与所述冷冻风机、冷藏风机、化霜加热丝和压缩机连接；
所述主控板用于根据所述冷藏传感器、冷冻传感器和化霜传感器的检测信号，控制所述冷藏风机、冷冻风机、化霜加热丝和压缩机工作。
如上所述的冰箱，优选地，所述控制系统还包括显示板，所述显示板与所述控制板连接，用于显示该冰箱的运行状态。
如上所述的冰箱，优选地，所述控制系统还包括熔断丝，所述熔断丝串联在所述化霜加热丝的电路上。
如上所述的冰箱，优选地，所述冷冻室设置在所述冷藏室上方。
本发明提供的冰箱，设置独立的冷藏循环风道和冷冻循环风道，可以通过独立的冷藏循环风道对冷藏室进行独立送风控制，可以通过独立的冷冻循环风道对冷冻室进行独立送风控制，使得冷藏室和冷冻室的温度控制更精确、温度范围更广，该冰箱能够实现更多制冷功能，以满足用户更多需求。
【附图说明】
图1为本发明实施例提供的冰箱在冷藏单独送风状态下的主视图；
图2为图1所示冰箱的左视图；
图3为本发明实施例提供的冰箱在冷冻单独送风状态下的主视图；
图4为图3所示的冰箱的左视图；
图5为本发明实施例提供的控制系统的示意图；
图6为本发明实施例提供的制冷循环系统的示意图。
附图标记：
1-冷冻室； 2-冷藏室； 3-冷藏循环风道；
4-冷冻循环风道； 5-制冷循环系统； 6-控制系统；
7-冷藏风机； 8-冷冻风机； 11-蒸发器室；
31-冷藏送风道； 32-冷藏回风道； 44-冷冻出风口；
45-冷冻回风口； 46-冷藏出风口； 47-冷藏回风口；
51-压缩机； 52-蒸发器。
【具体实施方式】
图1为本发明实施例提供的冰箱在冷藏单独送风状态下的主视图；图2为图1所示冰箱的左视图；图3为本发明实施例提供的冰箱在冷冻单独送风状态下的主视图；图4为图3所示的冰箱的左视图；图5为本发明实施例提供的控制系统的示意图；图6为本发明实施例提供的制冷循环系统的示意图。
如图1-6所示，本实施例提供的冰箱包括冷冻室1、冷藏室2、冷藏循环风道3和冷冻循环风道4、制冷循环系统5和控制系统6。
冷藏循环风道3包括冷藏送风道31和冷藏回风道32，冷藏送风道31和冷藏回风道32连通冷藏室2和制冷循环系统5的蒸发器52；冷藏送风道31的入口处设置有冷藏风机7。冷藏风机7可以设置在冷藏送风道31的入口处，可以提高冷藏风机7的送风效率。当然，冷藏风机7也可以设置在与冷藏送风道31入口处具有一定距离的位置。
冷冻循环风道4包括冷冻送风道和冷冻回风道，冷冻送风道和冷冻回风道连通冷冻室1和蒸发器52，靠近冷冻送风道入口处设置有冷冻风机8。冷冻风机8可以设置在冷冻送风道的入口处，可以提高冷冻风机8的送风效率。当然，冷冻风机8也可以设置在与冷冻送风道入口处具有一定距离的位置。
控制系统6用于控制冷藏风机7、冷冻风机8以及制冷循环系统5中的压缩机51的开启或关闭，以实现多种工作模式。
本实施例中，冷藏循环风道3和冷冻循环风道4共用一个蒸发器52，可以通过隔板将冷冻室1隔设出蒸发器室11，蒸发器52、冷冻风机8和冷藏风机7设置在蒸发器室11与蒸发器室11相连通的空间内。
冷冻循环风道4可以包括冷冻出风口44和冷冻回风口45。冷冻出风口44和冷冻回风口45与蒸发器室11连通。
冷藏循环风道3包括冷藏出风口46和冷藏回风口47；冷藏出风口46与蒸发器室11连通，冷藏回风口47与蒸发器室11连通。
具体地，蒸发器52可以为翅片蒸发器。冷冻室1可以设置在冷藏室2的上方，冷冻室1也可以设置在冷藏室2的下方。如图6所示，制冷循环系统5包括依次循环连接的压缩机51、冷凝器54、毛细管53和蒸发器52，蒸发器52为制冷部件，图中箭头方向表示制冷循环系统6中制冷剂的流动方向。
本实施例提供的冰箱，设置独立的冷藏循环风道和冷冻循环风道，可以通过独立的冷藏循环风道对冷藏室进行独立送风控制，可以通过独立的冷冻循环风道对冷冻室进行独立送风控制，使得冷藏室和冷冻室的温度控制更精确、温度范围更广，该冰箱能够实现更多制冷功能，以满足用户更多需求。
在上述实施例提供的冰箱的技术方案基础上，进一步地，可以蒸发器上设置有化霜加热丝66。
如图5所示，控制系统6可以包括主控板61、冷藏传感器62、冷冻传感器63和化霜传感器64；冷藏传感器62设置在冷藏室2内，冷冻传感器63设置在冷冻室1内，化霜传感器64设置在蒸发器52上；冷藏传感器62、冷冻传感器63和化霜传感器64与主控板61连接；主控板61与冷冻风机8、冷藏风机7、化霜加热丝66和压缩机51连接。
主控板61用于根据冷藏传感器62、冷冻传感器63和化霜传感器64的检测信号，控制冷藏风机7、冷冻风机8、化霜加热丝66和压缩机51工作。
进一步地，控制系统6还包括显示板65，显示板65与控制板61连接，用于显示该冰箱的运行状态，显示板65上可以设置冷冻温度按钮和冷藏温度按钮，分别显示冷冻室1的温度和冷藏设2的温度，并且可以调整冷冻室1和冷藏室2的温度。控制系统6还包括熔断丝67，熔断丝67串联在化霜加热丝66的电路上。
本实施例中，该冰箱具有两个独立的送风循环，一个是冷藏送风循环，另一个冷冻送风循环。
如图1和2所示，冷藏送风循环工作时，冷空气经冷藏风机7吹往冷藏送风道31再进入冷藏出风口46，通过冷藏室2后再由冷藏回风口47经过冷藏回风道32回到蒸发器52。
如图3和4所示，冷冻送风循环工作时，冷空气经冷冻风机8通过冷冻送风道和冷冻出风口44直接吹到冷冻室1内，再由冷冻回风口45和冷冻回风道回到蒸发器52。
下面具体说明本实施例提供的冰箱在控制系统的控制下，能实现的几种工作模式。
第一种模式：正常制冷时，主控板61控制压缩机51运转，主控板61控制冷藏风机7和冷冻风机8同时打开，通过冷冻循环风道4和冷藏循环风道3分别给冷冻室1和冷藏室2送风，达到同时制冷效果。当冷冻传感器63达到设定温度后，主控板61控制冷冻风机8停止，当冷藏传感器62和冷冻传感器都达到设定温度时，主控板61控制压缩机停止运转。当冷藏传感器62或冷冻传感器63高于设定温度时，主控板61控制压缩机51启动。冷藏室2和冷冻室1可以独立送风，制冷效果更好。
第二种模式：当压缩机51累计运行若干时间后，主控板61控制压缩机51和冷藏风机7停止工作，冷冻风机8和压缩机51继续运行若干分钟，压缩机51停止工作，再过一段时间后，冷冻风机8也停止工作，两分钟后，主控板61控制冷藏风机7运转同时化霜加热丝66加热，实现化霜功能。当冷藏传感器62低于2度后，主控板61控制冷藏风机7停止，待化霜传感器64达到设定温度后，化霜加热丝66停止加热，化霜结束。化霜时，冷藏同时送风，可减少化霜功耗及提高冷藏室保鲜效果。
第三种模式，当冷藏传感器62温度高于10度时，主控板61控制压缩机51运行、冷冻风机8停止、冷藏风机7运转，可以实现冷藏速冷功能。当冷藏传感器62温度低于5度时，退出速冷功能，进入正常运行状态。
第四种模式，显示板65上设有冷藏关闭键和冷冻关闭键，当操作冷藏关闭键时，主控板61可以控制冷藏风机7停止运转，只有冷冻风机8运转，实现冷藏室2关闭功能，当操作冷冻关闭键时，主控板61控制冷冻风机8停止运转，只有冷藏风机7运转，实现冷冻室1关闭功能。可以单独控制冷藏室2或冷冻室1制冷或关闭，能实现冷藏室2或冷冻室1大范围变温。
最后应说明的是：以上各实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述各实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims (10)

  1. 一种冰箱，其特征在于，包括冷冻室、冷藏室、冷藏循环风道和冷冻循环风道、制冷循环系统和控制系统；
    所述冷藏循环风道包括冷藏送风道和冷藏回风道，所述冷藏送风道和冷藏回风道连通所述冷藏室和所述制冷循环系统的蒸发器；靠近所述冷藏送风道入口处设置有冷藏风机；
    所述冷冻循环风道包括冷冻送风道和冷冻回风道，所述冷冻送风道和冷冻回风道连通所述冷冻室和蒸发器，靠近所述冷冻送风道入口处设置有冷冻风机；
    所述控制系统用于控制所述冷藏风机、冷冻风机以及所述制冷循环系统中的压缩机的开启或关闭，以实现多种工作模式。
  2. 根据权利要求1所述的冰箱，其特征在于，通过隔板将所述冷冻室隔设出蒸发器室，所述蒸发器、冷冻风机和冷藏风机设置在所述蒸发器室或与所述蒸发器室相连通的空间内。
  3. 根据权利要求2所述的冰箱，其特征在于，所述冷冻循环风道包括冷冻出风口和冷冻回风口；
    所述冷冻出风口和冷冻回风口与所述蒸发器室连通；所述冷藏出风口和冷藏回风口与所述蒸发器室连通。
  4. 根据权利要求3所述的冰箱，其特征在于，所述冷藏循环风道包括冷藏出风口和冷藏回风口；
    所述冷藏出风口与蒸发器室连通，所述冷藏回风口与蒸发器室连通。
  5. 根据权利要求1-4任一所述的冰箱，其特征在于，所述蒸发器为翅片蒸发器。
  6. 根据权利要求5所述的冰箱，其特征在于，所述蒸发器上设置有化霜加热丝。
  7. 根据权利要求6所述的冰箱，其特征在于，所述控制系统包括主控板、冷藏传感器、冷冻传感器和化霜传感器；
    所述冷藏传感器设置在所述冷藏室内，所述冷冻传感器设置在所述冷冻室内，所述化霜传感器设置在所述蒸发器上；
    所述冷藏传感器、冷冻传感器和化霜传感器与所述主控板连接；所述主控板与所述冷冻风机、冷藏风机、化霜加热丝和压缩机连接；
    所述主控板用于根据所述冷藏传感器、冷冻传感器和化霜传感器的检测信号，控制所述冷藏风机、冷冻风机、化霜加热丝和压缩机工作。
  8. 根据权利要求7所述的冰箱，其特征在于，所述控制系统还包括显示板，所述显示板与所述控制板连接，用于显示该冰箱的运行状态。
  9. 根据权利要求7所述的冰箱，其特征在于，所述控制系统还包括熔断丝，所述熔断丝串联在所述化霜加热丝的电路上。
  10. 根据权利要求7所述的冰箱，其特征在于，所述冷冻室设置在所述冷藏室上方。
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