WO2016015420A1 - 加湿室的控制方法及冰箱 - Google Patents
加湿室的控制方法及冰箱 Download PDFInfo
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- WO2016015420A1 WO2016015420A1 PCT/CN2014/092415 CN2014092415W WO2016015420A1 WO 2016015420 A1 WO2016015420 A1 WO 2016015420A1 CN 2014092415 W CN2014092415 W CN 2014092415W WO 2016015420 A1 WO2016015420 A1 WO 2016015420A1
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- chamber
- temperature
- humidity
- humidification chamber
- cooling
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
Definitions
- the invention relates to a control method of a humidification chamber and a refrigerator, belonging to the field of household appliances.
- Humidity generally refers to air humidity in meteorology, which is the content of water vapor in the air, and does not contain liquid or solid water. Air without water vapor is called dry air. Since the water vapor in the atmosphere can account for 0% to 4% of the volume of the air, it is generally referred to as the composition of the components in the dry air when the components of the various gases in the air are listed.
- Absolute humidity refers to the mass of water vapor contained in a volume of air, typically in grams per cubic meter. The maximum absolute humidity is the highest humidity in saturation.
- RH Relative Humidity
- Air with a relative humidity of 100% is saturated air.
- the relative humidity is 50% of the air containing half of the water vapor reaching the saturation point of the air at the same temperature.
- Water vapor in the air having a relative humidity of more than 100% generally condenses water or ice.
- the relative humidity of the air exceeds 100%, the water vapor in the air will condense and the water vapor content in the air will decrease.
- the moisturizing or humidifying of food is mainly related to relative humidity. The relative humidity is low, and the food is easily dehydrated and deteriorates, which affects the quality of the food.
- the reason why the relative humidity of the existing air-cooled refrigerator is low is that the air-cooled refrigerator replaces the air in the compartment with the fan and sends it to the vicinity of the evaporator. After the evaporator is sufficiently cooled, the cold air is sent to the refrigerator. The indoor temperature is cooled, but after the air is cooled by the evaporator, the absolute moisture content is often reduced, that is, the air is dehumidified and dried, so that the relative humidity of the indoor air at the same temperature is relatively low.
- Humidifiers require humidification equipment such as ultrasonic nebulizers, sinks, fans, etc., as well as refrigerator structures that match the humidifier, adding to the complexity and cost of the system.
- Humidifiers require clean water, high water quality requirements, and manual watering to affect the user experience.
- An object of the present invention is to provide a method for controlling a humidifying chamber, which can humidify a humidifying chamber of a refrigerator without adding other modules such as a humidifier, and has a simple structure and a low cost.
- the present invention provides a control method for a humidification chamber, wherein the humidification chamber is disposed in a refrigerator, and a cooling chamber in which an evaporator is disposed is communicated with the humidification chamber and other compartments through a cold passage, the cold
- the quantity channel includes a main road connected to the cooling chamber, a first branch road connecting the main road and the humidification chamber, a second branch road connecting the main road and the other compartment, and one side of the evaporator is provided to cool the room
- the air is introduced into the humidifier and other indoor fans, and the opening time of the second branch road is later than the opening time of the first branch road.
- the second branch road opening time determining method is: S1: obtaining an absolute humidity ⁇ 1 in the humidifying chamber, and obtaining an absolute humidity ⁇ 2 in the cooling chamber; S2: when the absolute humidity ⁇ 1 is higher than the absolute humidity ⁇ 2, The second branch road is opened.
- the humidification chamber is provided with a first temperature sensor and a first humidity sensor for detecting the temperature and the relative humidity in the humidification chamber, respectively, wherein the cooling chamber is respectively provided for detecting the cooling chamber.
- a second temperature sensor and a second humidity sensor of temperature and relative humidity wherein the refrigerator is provided with a controller, and the specific implementation of the step S1 is as follows: the controller receives and processes the first temperature sensor The detected temperature and the relative humidity detected by the first humidity sensor to obtain an absolute humidity ⁇ 1; the controller receives and processes the temperature detected by the second temperature sensor and the relative humidity detected by the second humidity sensor to Obtain absolute humidity ⁇ 2.
- the humidification chamber is provided with a first temperature sensor and a humidity sensor for detecting the temperature and the relative humidity in the humidification chamber, respectively, and the cooling chamber is provided with a second device for detecting the temperature in the cooling chamber.
- a temperature sensor the refrigerator is provided with a controller, and when the relative humidity in the cooling chamber is 100%, the specific implementation of the step S1 is as follows: the controller receives and processes the first temperature sensor The relative humidity detected by the detected temperature and humidity sensor is obtained to obtain an absolute humidity ⁇ 1, and the controller receives and processes the temperature detected by the second temperature sensor to obtain an absolute humidity ⁇ 2.
- the method for determining the opening time of the second branch road is: S1: obtaining the dew point temperature in the humidification chamber to obtain the temperature in the cooling chamber; S2: when the temperature in the cooling chamber is lower than the dew point temperature in the humidification chamber, The second branch road opens.
- the humidification chamber is provided with a first temperature sensor and a humidity sensor for detecting the temperature and the relative humidity in the humidification chamber, respectively, wherein the cooling chamber is respectively provided for detecting the temperature in the cooling chamber.
- a second temperature sensor wherein the refrigerator is provided with a controller.
- the controller receives and processes the first temperature
- the relative humidity detected by the temperature and humidity sensors detected by the sensor obtains the dew point temperature in the humidification chamber; the temperature of the cooling chamber is detected by the second temperature sensor in the cooling chamber.
- one side of the cold passage is provided with a damper that opens or closes the cold passage.
- the humidifying chamber is a refrigerating chamber or a chamber requiring humidification.
- the present invention also provides a refrigerator having a humidifying chamber using the control method of the humidifying chamber according to any one of claims 1 to 9.
- the beneficial effects of the present invention are: the control method of the humidification chamber of the present invention, the air with high moisture content is controlled by controlling the opening time of the second branch road to be later than the opening time of the compressor, the fan and the first branch road in the refrigerator.
- the humidification chamber is passed to maintain a high humidity in the humidification chamber. Therefore, the humidifying chamber can be moisturized or humidified without adding other additional modules, and the structure is simple and the cost is low.
- FIG. 1 is a partial structural view of a refrigerator according to an embodiment of the present invention, wherein the direction indicated by the arrow in the figure is the air circulation direction.
- FIG. 2 is a logic control relationship diagram of the opening time of the compressor, the defrosting, the first air inlet of the humidification chamber, and the effect of realizing the relative humidity of the humidification chamber.
- a refrigerator in an embodiment of the present invention has a refrigerating compartment 1, a freezing compartment, and a refrigeration cycle system.
- the refrigerating compartment 1 and the freezing compartment are collectively referred to as a refrigerating compartment.
- the refrigerating compartment 1 is provided with a humidifying chamber 2 for moisturizing or humidifying the food stored in the humidifying chamber 2 to ensure the quality of the food.
- the humidification chamber 2 is a refrigerating compartment or a compartment requiring humidification.
- the other refrigerating compartments except the humidifying chamber 2 are collectively referred to as other compartments, and the refrigerating compartment 1 in this embodiment is another compartment.
- the refrigeration cycle system includes a condenser, a compressor, an evaporator 3 and a capillary tube.
- the refrigeration cycle system is the same as the existing refrigeration cycle system, and therefore will not be described in detail.
- the compressor When the compressor is turned on, the refrigeration cycle system starts. jobs.
- the evaporator 3 is disposed in a cooling chamber 4, and the cooling chamber 4 communicates with the first air inlet 21 of the humidification chamber 2 and the second air inlet 11 of the other compartment through the cold passage 5 to give the The humidification chamber 2 and other compartments provide refrigeration.
- the first air inlet 21 of the humidification chamber 2, the second air inlet 11 of the refrigerating compartment 1 and the cooling chamber 4 are connected by a cold passage 5, and the cold passage 5 includes a main road 51 connected to the cooling chamber 4 and The first trunk road 52 connecting the main road 51 and the first air inlet 21, the main trunk road 51 and the second air inlet port 11, and the second branch road 53 are respectively connected.
- One side of the evaporator 3 is provided with a fan 6 that introduces air in the cooling chamber 4 into the refrigerating compartment 1 and the humidifying chamber 2, and in the present embodiment, the fan 6 is disposed in the cooling chamber 4.
- One side of the first branch road 52 is provided with a first damper 71 to open or close the first branch road 52
- one side of the second branch road 53 is provided with a second damper 72 to realize the second branch road. 53 is turned on or off.
- the opening and closing of the first branching passage 52 and the second branching passage 53 are controlled by the first damper 71 and the second damper 72, thereby respectively replacing the air in the cooling chamber 4 and the humidifying chamber 2, the cooling chamber 4, and the refrigerating compartment 1 .
- the first branch road 52 may be referred to as a first cold passage
- the second branch passage 53 may be referred to as a second cold passage.
- the humidification chamber 2 is provided with a first temperature sensor and a first humidity sensor for detecting the temperature and the relative humidity in the humidification chamber 2, respectively, and the cooling chamber 4 is respectively provided for detecting the inside of the cooling chamber 4.
- a second temperature sensor and a second humidity sensor of temperature and relative humidity, and a controller is disposed in the refrigerator.
- the first sub-main road 52 and the second sub-main road 53 are opened or closed by using a damper. In other embodiments, other manners may also be implemented.
- opening of the first branching passage 52 and the opening of the first air inlet 21 refer to opening of the cooling passage connecting the cooling chamber 4 and the humidifying chamber 2; opening and second of the second branching passage 53
- the opening of the air inlet 11 refers to the opening of the cold passage connecting the cooling chamber 4 and the other compartments.
- the air in the cooling chamber 4 does not reach the dew point temperature, the water vapor content in the air is high, and the moisture content is high; and when the compressor is turned on for a period of time, the cooling chamber 4 The temperature inside the air drops to the dew point temperature, water vapor is precipitated, and the moisture content of the air is lowered.
- control method of the humidification chamber 2 of the refrigerator is such that the opening time of the second branch road 53 is later than the opening time of the first branch road 52, and the air with high moisture content is preferentially passed into the humidification chamber 2 to make the humidification chamber
- the air of 2 maintains a high humidity, and the purpose of moisturizing or humidifying the humidification chamber without adding other additional modules is simple structure and low cost.
- the opening time of the second branch road 53 is determined as follows.
- the opening time of the second branch road 53 is preset in the refrigerator.
- the second branch road 53 is turned on after a preset time, which is the time obtained after multiple tests.
- the air sent into the humidification chamber 2 is air having a high moisture content, so that humidification can be achieved.
- the criterion for achieving the purpose of humidification is that the absolute humidity of the air supplied to the air inlet of the humidification chamber 2 is higher than the absolute humidity of the air in the humidification chamber 2, and since the air in the humidification chamber 2 is provided by the cooling chamber 4,
- the opening time determination of the two-way main road 53 is determined as follows:
- step S1 The specific implementation manner of the step S1 is as follows: the controller receives and processes the temperature detected by the first temperature sensor and the relative humidity detected by the first humidity sensor to obtain an absolute humidity ⁇ 1, and the controller receives the The temperature detected by the second temperature sensor and the relative humidity detected by the second humidity sensor are processed to obtain an absolute humidity ⁇ 2.
- the specific implementation of the S1 step may also be as follows: the controller receives and processes the first The temperature detected by a temperature sensor and the relative humidity detected by the first humidity sensor obtain an absolute humidity ⁇ 1, and the controller receives and processes the temperature obtained by the second temperature sensor to obtain an absolute humidity ⁇ 2. At this time, it is not necessary to detect the relative humidity by using the second humidity sensor.
- the opening time of the second branch road 53 is determined as follows:
- the value of t0 ie, the dew point temperature of the humidification chamber 2
- the relative humidity RH2 in the cooling chamber 4 is 100%.
- the second branch passage 53 of the other chambers can be opened. It can be determined that the second partial road 53 is delayed by the time x at which the evaporator is turned on, that is, the time at which t2 is lowered to t0.
- the surface temperature of the evaporator is high, and the relative humidity is relatively large around the surface.
- the defrosting water melts, and the air humidity around the evaporator in the cold passage is high.
- the air having a high moisture content in the cold passage can be sufficiently replaced with the air having a low moisture content in the humidification chamber 2 to humidify the air in the humidification chamber 2.
- the control method of the humidifying chamber 2 is often used when the compressor is started, in particular, when the compressor is started after the defrosting.
- the opening time of the second branch road 53 can be delayed after the second start of the compressor. Referring to FIG. 2, the logic control relationship between the opening time of the compressor, the defrosting, the second branching passage 53 of the other compartment 1, and the relative humidity effect of the humidifying chamber 2, wherein the opening time of the compressor and the opening time of the condenser are shown. the same.
- control method of the humidification chamber of the present invention has a high moisture content by controlling the opening time of the second branch passage 53 to be later than the opening time of the condenser, the fan 6 and the first branch passage 52 in the refrigerator. Air is introduced into the humidification chamber 2 to maintain the humidification chamber 2 at a relatively high humidity. Therefore, the humidifying chamber 2 can be moisturized/humidified without adding other additional modules, and the structure is simple and the cost is low.
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Abstract
提供了一种加湿室（2）的控制方法。加湿室（2）设置在冰箱内，设置蒸发器（3）的冷却室（4）通过冷量通道（5）与加湿室（2）及其他间室连通。冷量通道（5）包括与冷却室（4）连接的主干道（51）、连接主干道（51）与加湿室（2）的第一分干道（52）、连接主干道（51）与其他间室的第二分干道（53）。蒸发器（3）的一侧设置有用以将冷却室（4）内的空气导入至加湿室（2）和其他间室内的风机（6），第二分干道（53）的开启时间晚于第一分干道（52）的开启时间。
Description
本申请要求了申请日为2014年07月31日、申请号为201410372615.7、发明名称为“加湿室的控制方法及冰箱”的中国专利申请，以及申请日为2014年05月30日、申请号为201410236741.X、发明名称为“干物室的控制方法及冰箱”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】
本发明涉及一种加湿室的控制方法及冰箱，属于家用电器领域。
【背景技术】
湿度一般在气象学中指的是空气湿度，是空气中水蒸气的含量，而不包含液态或固态的水。不含水蒸气的空气被称为干空气。由于大气中的水蒸气可以占空气体积的0%到4%，一般在列出空气中各种气体的成分的时候是指这些成分在干空气中所占的成分。
“绝对湿度”指一定体积的空气中含有的水蒸气的质量，一般其单位是公克／立方米。绝对湿度的最大限度是饱和状态下的最高湿度。
“相对湿度”（RH）是绝对湿度与最高湿度之间的比，它的值显示水蒸气的饱和度有多高。相对湿度为100%的空气是饱和的空气。相对湿度是50%的空气含有达到同温度的空气的饱和点的一半的水蒸气。相对湿度超过100%的空气中的水蒸气一般凝结出水或者冰。随着温度的升高，空气中能够溶解的水蒸气量增大，空气的绝对湿度值增大。当空气的相对湿度值超过100%时，空气中的水蒸气就会凝结出来，空气中的水蒸气含量降低。而食品的保湿或加湿，主要和相对湿度有关。相对湿度低，食品极易失水变质，影响食物品质。
现有风冷冰箱的冷藏室相对湿度低的原因为：风冷冰箱是通过风机将间室的空气置换出来送到蒸发器附近，经过蒸发器的充分冷却后，再将冷空气送入冰箱间室内达到降温的目的，但是空气经过蒸发器的降温后往往会降低其绝对含湿量，即对空气进行了除湿干燥，从而导致间室内空气在相同的温度下相对湿度会比较低。
针对此缺陷，现有的技术采用加湿器对冰箱内的冷藏间室进行加湿，但是采用加湿器进行加湿的方法会有如下缺陷：
(1)增加了成本、冰箱结构改动大而复杂。加湿器需要加湿设备，如超声波雾化器、水槽、风扇等，以及与加湿器相匹配的冰箱结构，增加系统的复杂性和成本。
(2)可靠性低。需要对加湿器雾化装置进行控制的电结构，增大了系统的可靠性。
(3)水质要求高，且需要人工加水。加湿器需要水质清洁、对水质的要求较高，并且需要人工加水，影响用户体验。
有鉴于此，有必要提供一种改进的加湿室的控制方法及其冰箱，以解决上述问题。
【发明内容】
本发明的目的在于提供一种加湿室的控制方法，无需增加加湿器等其他模块即可对冰箱的加湿室进行加湿，结构简单，成本较低。
为实现前述目的，本发明提供了一种加湿室的控制方法，所述加湿室设置在冰箱内，设置蒸发器的冷却室通过冷量通道与所述加湿室及其他间室连通，所述冷量通道包括与冷却室连接的主干道、连接主干道与加湿室的第一分干道、连接主干道与其他间室的第二分干道，所述蒸发器的一侧设置有用以将冷却室内的空气导入至加湿室和其他间室内的风机，第二分干道的开启时间晚于第一分干道的开启时间。
作为本发明的进一步改进，所述第二分干道开启时间确定方法为：S1：获取加湿室内的绝对湿度ρ1，获取冷却室内的绝对湿度ρ2；S2：当绝对湿度ρ1高于绝对湿度ρ2时，所述第二分干道开启。
作为本发明的进一步改进，所述加湿室内设置有分别用以检测加湿室内的温度和相对湿度的第一温度感应器和第一湿度感应器，所述冷却室内设置有分别用以检测冷却室内的温度和相对湿度的第二温度感应器和第二湿度感应器，所述冰箱内设置有控制器，所述S1步骤的具体实现方式如下：所述控制器接收并处理所述第一温度感应器所检测到的温度和第一湿度传感器所检测到的相对湿度以获得绝对湿度ρ1；控制器接收并处理第二温度感应器所检测到的温度和第二湿度感应器所检测到的相对湿度以获得绝对湿度ρ2。
作为本发明的进一步改进，所述加湿室内设置有分别用以检测加湿室内的温度和相对湿度的第一温度感应器和湿度感应器，所述冷却室内设置有用以检测冷却室内的温度的第二温度感应器，所述冰箱内设置有控制器，当所述冷却室内的相对湿度为100%时，所述S1步骤的具体实现方式如下：所述控制器接收并处理所述第一温度感应器所检测到的温度和湿度传感器所检测到的相对湿度以获得绝对湿度ρ1，控制器接收并处理第二温度感应器所检测到的温度以获得绝对湿度ρ2。
作为本发明的进一步改进，第二分干道的开启时间的确定方法为：S1：获取加湿室内的露点温度，获取冷却室内的温度；S2：当冷却室内的温度低于加湿室内的露点温度后，第二分干道开启。
作为本发明的进一步改进，所述加湿室内设置有分别用以检测加湿室内的温度和相对湿度的第一温度感应器和湿度感应器，所述冷却室内设置有分别用以检测冷却室内的温度的第二温度感应器，所述冰箱内设置有控制器，当所述冷却室内的相对湿度为100%时，所述S1步骤的具体实现方式如下：所述控制器接收并处理所述第一温度感应器所检测得到的温度和湿度传感器所检测得到的相对湿度以获得加湿室内的露点温度；冷却室的温度通过冷却室内的第二温度感应器检测获得。
作为本发明的进一步改进，所述冷量通道的一侧设置有打开或者关闭该冷量通道的风门。
作为本发明的进一步改进，所述的加湿室为冷藏室或需要加湿的间室。
为实现上述发明目的，本发明还提供了一种冰箱，所述冰箱具有采用如权利要求1至9项中任意一项所述的加湿室的控制方法的加湿室
本发明的有益效果是：本发明的加湿室的控制方法，通过控制第二分干道的开启时间晚于冰箱内的压缩机、风机及第一分干道的开启时间，使含湿量高的空气通入加湿室，使加湿室的保持较高的湿度。从而无需增加其他外加模块即可对加湿室进行保湿或加湿的目的，结构简单，成本较低。
【附图说明】
图1为本发明一实施例中冰箱的部分结构示意图，其中图中箭头所指方向为空气流通方向。
图2为压缩机、化霜、加湿室的第一进风口的开启时间、以及实现加湿室相对湿度效果的逻辑控制关系图。
【具体实施方式】
请参见图1，本发明一实施例中的冰箱具有冷藏间室1、冷冻间室及制冷循环系统。所述冷藏间室1和冷冻间室统称为制冷间室。所述冷藏间室1内设置有加湿室2，用以给储存于所述加湿室2内的食品进行保湿或加湿，保证食品的品质。本发明中，所述加湿室2为冷藏间室或需要加湿的间室。将除加湿室2外的其他制冷间室统称为其他间室，如本实施例中的冷藏间室1为其他间室。所述制冷循环系统包括冷凝器、压缩机、蒸发器3及毛细管，所述制冷循环系统与现有的制冷循环系统相同，故不做详细说明，当压缩机开启时，所述制冷循环系统开始工作。
所述蒸发器3布置在冷却室4内，所述冷却室4通过冷量通道5与所述加湿室2的第一进风口21与其他间室的第二进风口11连通，以给所述加湿室2和其他间室提供冷量。所述加湿室2的第一进风口21、冷藏间室1的第二进风口11与冷却室4通过冷量通道5连通，所述冷量通道5包括与冷却室4连接的主干道51及分别连接主干道51与第一进风口21的第一分干道52、连接主干道51与第二进风口11、第二分干道53。
所述蒸发器3的一侧设置有将冷却室4内的空气引入至冷藏间室1和加湿室2内的风机6，在本实施例中，所述风机6设置在冷却室4内。所述第一分干道52的一侧设置有第一风门71以实现第一分干道52的打开或者关闭，所述第二分干道53的一侧设置有第二风门72以实现第二分干道53的打开或者关闭。通过第一风门71和第二风门72控制第一分干道52和第二分干道53的打开或者关闭，从而分别实现冷却室4与加湿室2、冷却室4与冷藏间室1内的空气置换。在此，所述第一分干道52可称为第一冷量通道，所述第二分干道53可称为第二冷量通道。所述加湿室2内设置有分别用以检测加湿室2内的温度和相对湿度的第一温度感应器和第一湿度感应器，所述冷却室4内设置有分别用以检测冷却室4内的温度和相对湿度的第二温度感应器和第二湿度传感器，所述冰箱内设置有控制器。在本实施例中，所述第一分干道52与第二分干道53采用风门实现打开或者关闭，在其他实施例中，还可以采用其他方式实现。另外，所述第一分干道52的开启与所述第一进风口21开启均指连通所述冷却室4与加湿室2的冷量通道开启；所述第二分干道53的开启与第二进风口11的开启均指连通所述冷却室4与其他间室的冷量通道开启。
压缩机开启前或刚刚开启时，所述冷却室4内的空气未达到露点温度，空气中的水蒸气含量较高，及含湿量较高；而当压缩机开启一段时间后，冷却室4内的空气温度下降到露点温度，水蒸气析出，空气的含湿量降低。因此，所述冰箱的加湿室2的控制方法为第二分干道53的开启时间晚于第一分干道52的开启时间，使含湿量高的空气优先通入加湿室2内，使加湿室2的空气保持较高的湿度，无需增加其他外加模块即可对加湿室进行保湿或加湿的目的，结构简单，成本较低。
所述第二分干道53开启时间通过如下方式确定。
在冰箱内预先设定第二分干道53的开启时间，当压缩机启动后，第二分干道53到达预设时间后开启，该预设时间为多次试验后所得到的时间。
由于加湿室2内的相对湿度需要保持在较高的数值，高于冷藏间室1，所以，送入加湿室2内的空气为含湿量较高的空气，才能实现加湿的目的。达到加湿目的的判断标准是：送入加湿室2的入风口处的空气的绝对湿度高于加湿室2内空气的绝对湿度，而由于加湿室2内的空气是由冷却室4提供，所以第二分干道53的开启时间确定通过如下方式确定：
S1：获取加湿室2内的绝对湿度ρ1，获取冷却室4内的绝对湿度ρ2；
S2：当绝对湿度ρ1高于绝对湿度ρ2后，第二进风口11或第二分干道53开启。该第二分干道53的打开为通过控制器控制第二风门72的打开实现。
所述S1步骤的具体实现方式如下：所述控制器接收并处理所述第一温度感应器所检测得到的温度和第一湿度传感器所检测得到的相对湿度以获得绝对湿度ρ1，控制器接收并处理第二温度感应器所检测得到的温度和第二湿度感应器所检测得到的相对湿度以获得绝对湿度ρ2。
当所述冷却室4内的相对湿度为100%时，即，蒸发器3上已经有凝露产生时，所述S1步骤的具体实现方式还可以如下：所述控制器接收并处理所述第一温度感应器所检测得到的温度和第一湿度传感器所检测得到的相对湿度以获得绝对湿度ρ1，控制器接收并处理第二温度感应器所得到的温度以获得绝对湿度ρ2。此时，无需采用第二湿度感应器检测获得相对湿度。
在此需要说明的是，当第二分干道53未被打开时，冷却室4内的空气被送至加湿室2内并与加湿室2内的空气进行交换。
因绝对湿度值在冰箱中不易被测量，所以，在具体控制时，可采用温度作为标准，此时，第二分干道53的开启时间通过如下方式确定：
S1：获取加湿室2内的露点温度，获取冷却室4内的温度，加湿室2内的露点温度与冷却室4内的温度通过如下方式获得：控制器接收并处理加湿室2内的第一温度感应器所检测到的温度和第一湿度传感器所检测到的相对湿度以获得露点温度，冷却室4的温度通过冷却室4内的第二温度感应器检测得到，所述露点温度通过在控制器内预置的湿空气焓湿图查询得知，具体由控制器根据所接收到的第一温度感应器所检测到的温度及湿度感应器所检测到的相对湿度后计算并查询得知；
S2：当冷却室4内的温度低于加湿室2内的露点温度后，第二分干道53开启。该第二分干道53的打开为通过控制器控制第二风门72的打开实现。
假设：压缩机开启时，加湿室2温度t1，相对湿度RH1
冷却室的温度t2，空气相对湿度RH2
则：根据加湿室2的已知值
t1，RH1，则可计算得到t0的值（即加湿室2的露点温度），又当冷却室4内的空气经过蒸发器降温除湿后，冷却室内的相对湿度RH2=100%时，所以，当t2的值高于t0时，可以保证送入加湿室2内空气的绝对湿度值是高于加湿室2内空气的绝对湿度值。
实施例：
假设加湿室2的t1=3℃，RH1=40%，
加湿室2内的露点温度t0=-1.09℃，（该露点温度可根据湿空气焓湿图查询得知）
所以，冷却室4内的空气经过蒸发器降温除湿后，冷却室4内的相对湿度RH2=100%，当t2低于t0时，其他间室的冷量通道第二分干道53才能开启，从而可确定第二分干道53延迟于蒸发器开启的时间x，即t2降低到t0的时间。
压缩机刚开启时，蒸发器表面温度较高，周围相对含湿量较大，特别是，化霜后蒸发器启动时，化霜水融化，冷量通道内蒸发器周围空气湿度较高。通过延时第二分干道53的打开，可充分利用冷量通道内含湿量高的空气与加湿室2内含湿量低的空气进行置换，实现对加湿室2内的空气加湿。
在压缩机启动时，所述冷却室4内的含湿量较高，所以该加湿室2的控制方法常用于压缩机启动时，特别是，化霜后压缩机启动时。为了更有利于提高加湿室2内空气的含湿量，在化霜后，第二分干道53开启时间可以在压缩机第二次启动后再延时打开。请参见图2，为压缩机、化霜、其他间室1的第二分干道53开启时间、以及实现加湿室2相对湿度效果的逻辑控制关系，其中压缩机的开启时间与冷凝器的开启时间相同。
综上所述，本发明的加湿室的控制方法，通过控制第二分干道53的开启时间晚于冰箱内的冷凝器、风机6以及第一分干道52的开启时间，使含湿量高的空气通入加湿室2，使加湿室2保持较高的湿度。从而无需增加其他外加模块即可对加湿室2进行保湿/加湿的目的，结构简单，成本较低。
尽管为示例目的，已经公开了本发明的优选实施方式，但是本领域的普通技术人员将意识到，在不脱离由所附的权利要求书公开的本发明的范围和精神的情况下，各种改进、增加以及取代是可能的。
Claims (9)
- 一种加湿室的控制方法，所述加湿室设置在冰箱内，设置蒸发器的冷却室通过冷量通道与所述加湿室及其他间室连通，所述冷量通道包括与冷却室连接的主干道、连接主干道与加湿室的第一分干道、连接主干道与其他间室的第二分干道，所述蒸发器的一侧设置有用以将冷却室内的空气导入至加湿室和其他间室内的风机，其特征在于：第二分干道的开启时间晚于第一分干道的开启时间。
- 根据权利要求1所述的加湿室的控制方法，其特征在于：所述第二分干道开启时间确定方法为：S1：获取加湿室内的绝对湿度ρ1，获取冷却室内的绝对湿度ρ2；S2：当绝对湿度ρ1高于绝对湿度ρ2时，所述第二分干道开启。
- 根据权利要求2所述的加湿室的控制方法，其特征在于：所述加湿室内设置有分别用以检测加湿室内的温度和相对湿度的第一温度感应器和第一湿度感应器，所述冷却室内设置有分别用以检测冷却室内的温度和相对湿度的第二温度感应器和第二湿度感应器，所述冰箱内设置有控制器，所述S1步骤的具体实现方式如下：所述控制器接收并处理所述第一温度感应器所检测到的温度和第一湿度传感器所检测到的相对湿度以获得绝对湿度ρ1；控制器接收并处理第二温度感应器所检测到的温度和第二湿度感应器所检测到的相对湿度以获得绝对湿度ρ2。
- 根据权利要求2所述的加湿室的控制方法，其特征在于：所述加湿室内设置有分别用以检测加湿室内的温度和相对湿度的第一温度感应器和湿度感应器，所述冷却室内设置有用以检测冷却室内的温度的第二温度感应器，所述冰箱内设置有控制器，当所述冷却室内的相对湿度为100%时，所述S1步骤的具体实现方式如下：所述控制器接收并处理所述第一温度感应器所检测到的温度和湿度传感器所检测到的相对湿度以获得绝对湿度ρ1，控制器接收并处理第二温度感应器所检测到的温度以获得绝对湿度ρ2。
- 根据权利要求1所述的加湿室的控制方法，其特征在于：第二分干道的开启时间的确定方法为：S1：获取加湿室内的露点温度，获取冷却室内的温度；S2：当冷却室内的温度低于加湿室内的露点温度后，第二分干道开启。
- 根据权利要求5所述的加湿室的控制方法，其特征在于：所述加湿室内设置有分别用以检测加湿室内的温度和相对湿度的第一温度感应器和湿度感应器，所述冷却室内设置有分别用以检测冷却室内的温度的第二温度感应器，所述冰箱内设置有控制器，当所述冷却室内的相对湿度为100%时，所述S1步骤的具体实现方式如下：所述控制器接收并处理所述第一温度感应器所检测得到的温度和湿度传感器所检测得到的相对湿度以获得加湿室内的露点温度；冷却室的温度通过冷却室内的第二温度感应器检测获得。
- 根据权利要求1所述的加湿室的控制方法，其特征在于：所述冷量通道的一侧设置有打开或者关闭该冷量通道的风门。
- 根据权利要求1所述的加湿室的控制方法，其特征在于：所述的加湿室为冷藏室或需要加湿的间室。
- 一种冰箱，其特征在于：所述冰箱具有采用如权利要求1至9项中任意一项所述的加湿室的控制方法的加湿室。
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