The utility model content
The utility model is intended to one of solve the problems of the technologies described above at least.
For this reason, the utility model purpose is to propose a kind of refrigerator that height is preserved moisture that has.
To achieve these goals, the utility model provides a kind of refrigerator, comprising: casing is formed with refrigerating chamber in the said casing; Refrigeration evaporator, said refrigeration evaporator are arranged on the postnotum of said refrigerating chamber; Be used for said refrigerating chamber is carried out the damping device of humidification, said damping device is arranged on the postnotum of said refrigerating chamber and is positioned at the below of said refrigeration evaporator; And fan, said fan is arranged in the said refrigerating chamber, and wherein, when said fan rotated, the steam in the said damping device got into said refrigerating chamber with to said chill box damping.
According to the refrigerator of the utility model, after refrigeration evaporator finishes the refrigerating chamber refrigeration, the frost melts on the refrigerating chamber postnotum; Frost water flows in the damping device, in the fan rotation process, quickens the circulating cold air of refrigerating chamber; Thereby make steam in the damping device along with cold air flows into refrigerating chamber, and then reach the purpose of humidification, can effectively reduce the refrigerating chamber water loss that causes owing to defrost; Improve the humidity of refrigerating chamber, be beneficial to the fresh-keeping of food etc.
In addition, can also have following additional technical characterictic according to the above-mentioned refrigerator of the utility model:
Said damping device is an aqua storage tank.
Said aqua storage tank and said casing are integrally formed.
Said casing further comprises: shell; And inner bag; Said inner bag is positioned within the said shell, and wherein, said refrigerator evaporator is arranged on the said inner bag and between said shell and inner bag; Said fan is arranged in the said inner bag, and said damping device is arranged on the postnotum of said inner bag and is arranged in said inner bag.
Said casing also comprises: dividing plate, and said dividing plate has air outlet and return air inlet, and said dividing plate is arranged in the said inner bag and is spaced apart to form the air channel with the postnotum of said inner bag.
Said fan is arranged on the air outlet place of said dividing plate.
Said refrigerator also comprises: the refrigeration sensor; It is interior to detect the temperature of said refrigerating chamber that said refrigeration sensor is arranged on said refrigerating chamber, wherein, and when the temperature of said refrigerating chamber is greater than or equal to first temperature; Said fan moves with first rotating speed; When the temperature of said refrigerating chamber was lower than second temperature, said fan was out of service, and said first temperature is higher than said second temperature; Defrosting sensor; Said defrosting sensor links to each other with said refrigeration evaporator to detect the temperature of said refrigeration evaporator; Wherein, the temperature that is lower than second temperature and said refrigeration evaporator when the temperature of said refrigerating chamber is lower than the 3rd temperature, and said fan moves with second rotating speed; The temperature that is lower than second temperature and said refrigeration evaporator when the temperature of said refrigerating chamber is greater than or equal to said the 3rd temperature and is lower than the 4th temperature; Said fan moves with the 3rd rotating speed, and the temperature that is lower than second temperature and said refrigeration evaporator when the temperature of said refrigerating chamber is greater than or equal to said the 4th temperature and is lower than the 5th temperature, and said fan moves with the 4th rotating speed.
Additional aspect of the utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize through the practice of the utility model.
The specific embodiment
Describe the embodiment of the utility model below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the utility model, and can not be interpreted as restriction the utility model.
In the description of the utility model; It will be appreciated that; The orientation of indications such as term " " center ", " vertically ", " laterally ", " on ", D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward " or position relation are for based on orientation shown in the drawings or position relation; only be to describe with simplifying for the ease of describing the utility model; rather than the device or the element of indication or hint indication must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction to the utility model.In addition, term " first ", " second " only are used to describe purpose, and can not be interpreted as indication or hint relative importance.
In the description of the utility model, need to prove that only if clear and definite regulation and qualification are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be to be fixedly connected, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can link to each other indirectly through intermediary, can be the connection of two element internals.For those of ordinary skill in the art, can concrete condition understand the concrete implication of above-mentioned term in the utility model.
Below in conjunction with accompanying drawing the refrigerator according to the utility model embodiment is described.
Referring to Fig. 1 and Fig. 2, comprise casing according to the refrigerator of the utility model embodiment, be formed with refrigerating chamber 110, refrigeration evaporator 120, damping device 130 and fan 140 in the said casing, wherein:
Refrigeration evaporator 120, refrigeration evaporator 120 is arranged on the postnotum of refrigerating chamber 110.Damping device 130 is arranged on the postnotum of refrigerating chamber 110 and is positioned at the below of refrigeration evaporator 120, is used for refrigerating chamber 110 is carried out humidification.Fan 140 is arranged in the refrigerating chamber 110, and wherein, when fan 140 rotated, the steam in the damping device 130 got into said refrigerating chamber 110 with to refrigerating chamber 110 humidifications.In an embodiment of the utility model; Damping device 130 is aqua storage tank or retention device; Can avoid the defrost water after the frost melts on the refrigerating chamber postnotum to flow directly into the osculum of refrigerating chamber bottom like this and directly discharge refrigerator, thereby can rotate along with blower fan after the evaporation of the defrost water in aqua storage tank or the retention device, along with cold air gets into refrigerating chamber; Avoid losing of refrigerating chamber moisture, guarantee the humidity in the refrigerating chamber.Further; Aqua storage tank or retention device can be integrally formed with casing; When designing again,, can aqua storage tank or retention device be designed with the shape of disengagement area greatly in order to guarantee that enough steam disengagement areas are arranged in aqua storage tank or the retention device; Can promote steam vapour amount thus, further guarantee the humidity in the refrigerating chamber.
According to the refrigerator of the utility model, after refrigeration evaporator finishes the refrigerating chamber refrigeration, the frost melts on the refrigerating chamber postnotum; Frost water flows in the damping device, in the fan rotation process, quickens the circulating cold air of refrigerating chamber; Thereby make steam in the damping device along with cold air flows into refrigerating chamber, and then reach the purpose of humidification, can effectively reduce the refrigerating chamber water loss that causes owing to defrost; Improve the humidity of refrigerating chamber, be beneficial to the fresh-keeping of food etc.
As shown in Figure 2, in an embodiment of the utility model, casing comprises shell 111 and inner bag 112.Inner bag 112 is positioned within the shell 111, and wherein, refrigerator evaporator 120 is arranged on the inner bag 112 and between shell 111 and inner bag 112, fan 140 is arranged in the inner bag 112, and damping device 130 is arranged on the postnotum of inner bag 112 and is arranged in inner bag 112.Particularly; Limit the refrigerating space of above-mentioned refrigerating chamber 110 in the inner bag 112, the postnotum of inner bag 112 is a metallic plate for example, has high heat transmitting; Refrigerator evaporator 120 can stick on the postnotum of inner bag 112 through double faced adhesive tape; Like this, through the heat transmission of postnotum (metallic plate), realize refrigeration to refrigerating chamber.After refrigeration is accomplished; Frosting on the postnotum of inner bag will be rotated the circulation of the cold air of refrigerating chamber along with fan, make frost melts, flow in the damping device 130; Defrost water evaporation in the damping device 130; Form steam, eat refrigerating chamber, reach the purpose that promotes refrigerating chamber humidity along with circulating cold air is quiet.
In conjunction with Fig. 2, in an embodiment of the utility model, casing also comprises dividing plate 150, and dividing plate has air outlet 151 and return air inlet 152, and dividing plate 150 is arranged in the inner bag 112 and is spaced apart to form air channel 153 with the postnotum of inner bag 112.Further, fan 140 is arranged on air outlet 151 places of dividing plate 150.Rotation along with fan; Cold air by refrigeration evaporator 120 refrigeration flows into refrigerating chamber from air outlet 151; Then the return air inlet 152 from refrigerating chamber flows back to air channel 153; Cold air is flowed through in the air channel and is arranged on the damping device 130 in the air channel 153, thereby makes steam in the damping device 130 along with cold air circulates, and realizes the purpose to chill box damping.
In an embodiment of the utility model, refrigerator also comprises: refrigeration sensor (not shown) and defrosting sensor (not shown).The refrigeration sensor is arranged in the refrigerating chamber 110 to detect the temperature of refrigerating chamber 110; Wherein, when the temperature of refrigerating chamber 110 was greater than or equal to first temperature, fan 140 moved with first rotating speed; When the temperature of refrigerating chamber 110 is lower than second temperature; Fan 140 is out of service, and wherein, first temperature is higher than said second temperature.Defrosting sensor links to each other with refrigeration evaporator 120 to detect the temperature of refrigeration evaporator 120; Wherein, The temperature that is lower than second temperature and refrigeration evaporator 120 when the temperature of refrigerating chamber 110 is lower than the 3rd temperature; Fan 140 is with second rotating speed operation, and the temperature that is lower than second temperature and refrigeration evaporator 120 when the temperature of refrigerating chamber 110 is greater than or equal to the 3rd temperature and is lower than the 4th temperature, and fan 140 moves with the 3rd rotating speed; The temperature that is lower than second temperature and refrigeration evaporator 120 when the temperature of refrigerating chamber 110 is greater than or equal to the 4th temperature and is lower than the 5th temperature, and fan 140 moves with the 4th rotating speed.
In this example, first temperature is the start point temperature of refrigerating chamber, and second temperature is the break point temperature of refrigerating chamber, and first rotating speed has the experience value to confirm that promptly this first rotating speed is in the refrigerating chamber process of refrigerastion, the rotating speed of fan 140.The 3rd temperature is greater than the 4th temperature, and the 4th temperature is greater than the 5th temperature, and second rotating speed is greater than the 3rd rotating speed, and the 3rd rotating speed is greater than the 4th rotating speed.That is to say that when the temperature of refrigeration evaporator 120 is low more, the humidity in the refrigerating chamber 110 will become low more; So when temperature is low more, need fan 140 rotating speeds fast more, make refrigerating chamber 110 circulating cold air rapid; Because the temperature of refrigerating chamber 110 is lower than the temperature of refrigeration evaporator 120, therefore, under the rotation of fan 140; Heat exchange is constantly carried out with refrigerating chamber 110 in refrigeration evaporator 120 surfaces, impels the temperature of refrigeration evaporator 120 to raise, and because refrigeration evaporator 120 surface temperatures when low more; Humidity is low more in the refrigerating chamber 110, so fan 140 rotates at faster speed, its purpose helps accelerating the rapid lifting of refrigeration evaporator 120 surface temperatures; Accelerate also in addition that steam gets into refrigerating chamber 110 rapidly in the damping device 130, play the purpose that refrigerating chamber 110 is preserved moisture.
As shown in Figure 3, the refrigerator of the utility model embodiment realizes that to refrigerating chamber the idiographic flow of humidification is following:
Step S301, the refrigeration sensor detects the temperature S1 of refrigerating chamber.
Step S302 judges whether the temperature S1 of refrigerating chamber is greater than or equal to first temperature t 1 (start point temperature), if then go to step S302, otherwise goes to step S301.
Step S303, refrigeration evaporator freezes to refrigerating chamber.
Step S304, blower fan rotates with the first rotating speed r0, accelerates circulating cold air speed.
Step S305, whether the temperature S1 that judges refrigerating chamber if then go to step S306, otherwise goes to step S301 less than second temperature t 2 (shutdown point temperature).
Step S306, refrigeration evaporator stop refrigerating chamber being freezed.
Step S307, defrosting sensor detects the temperature S2 of refrigeration evaporator.
Whether step S308, the temperature S2 that judges refrigeration evaporator if then go to step S309, otherwise go to step S310 less than the 3rd temperature.
Step S309, fan rotates with the second rotating speed r1, and wherein the second rotating speed r1 is high rotating speed.
Whether step S310, the temperature S2 that judges refrigeration evaporator if then go to step S311, otherwise go to step S312 less than the 4th temperature.
Step S311, fan rotates with the 3rd rotating speed r2, and wherein the rotating speed of the 3rd rotating speed r2 is less than the second rotating speed r1.
Whether step S312, the temperature S2 that judges refrigeration evaporator less than the 5th temperature,, if then go to step S313.
Step S313, fan rotates with the 4th rotating speed r3, and wherein the rotating speed of the 4th rotating speed r3 is less than the 3rd rotating speed r2.
Like this, under the situation that refrigerating chamber does not freeze, through the effect of blower fan (refrigeration blower fan) under different rotating speeds; Make the air in the refrigerating chamber continue circulation, because the indoor air themperature major part of refrigerator is between 1~6 ℃, and the continuous circulation of cold air; The frosting at inner bag back (postnotum) is constantly melted and is become steam before making; Temporarily be stored in again on the water storage case (baffle plate), bring back in the refrigerating chamber, guarantee that refrigerating chamber is in a higher moisture condition until the air quantity that is recycled.Because the fuzzy control of refrigeration blower fan; Make that the frosting of inside container back is constantly melted in each stopping process; Becoming steam takes back in the refrigerating chamber; Thereby can effectively prolong the defrost periods of refrigerating chamber and improve the heat exchange efficiency of refrigeration evaporator, thereby the work number of times that reduces refrigerating chamber defrost heater strip in the unit interval has improved refrigeration, has effectively saved the consumption of electric energy.In addition, through fuzzy control, realize that the medial humidity of refrigerating chamber remains on higher state, and then strengthen the fresh-keeping effect of refrigerator, reduce the loss of nutrition the refrigeration blower fan, the not taint of odour of food between each chamber, and can reduce whole refrigerator power consumption.
In addition, all be known for those of ordinary skill in the art according to other formation and the operation of the refrigerator of the utility model the foregoing description, do not do description at this.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means the concrete characteristic, structure, material or the characteristics that combine this embodiment or example to describe and is contained among at least one embodiment or example of the utility model.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete characteristic, structure, material or the characteristics of description can combine with suitable manner in any one or more embodiment or example.
Although illustrated and described the embodiment of the utility model; Those having ordinary skill in the art will appreciate that: under the situation of principle that does not break away from the utility model and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, the scope of the utility model is claim and be equal to and limit.