CN113606842A

CN113606842A - Refrigerator and humidifying mechanism thereof

Info

Publication number: CN113606842A
Application number: CN202110845670.3A
Authority: CN
Inventors: 王莉娟; 李琦; 李宗照; 王冠; 柳诗语
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2021-11-05

Abstract

The invention relates to a refrigerator and a humidifying mechanism thereof, wherein the refrigerator comprises a water receiving tray, a refrigerating chamber and the humidifying mechanism, and the humidifying mechanism comprises a water storage part, an atomizer and a capillary pipeline. One end of the capillary pipeline is arranged on the water storage part so that the water outlet of the capillary pipeline is communicated with the water storage cavity of the water storage part, and the other end of the capillary pipeline is arranged on the water receiving tray so that the water suction port of the capillary pipeline is communicated with the water receiving groove. And then the water in the water receiving tank is sucked into the water storage cavity by utilizing the capillary phenomenon of the capillary pipeline. When humidification is needed, the atomizer arranged in the water storage cavity is started, atomized water vapor is discharged into the refrigerating chamber through the mist discharge hole, and humidification of the refrigerating chamber is achieved. Above-mentioned humidification mechanism utilizes the capillary phenomenon of capillary pipeline to carry water to the water storage chamber of walk-in one side atomize in, avoided the water in the direct atomizing water collector after, lead to steam to appear carrying the in-process loss of going to the walk-in even unable transport to the walk-in condition to the walk-in, the influence is to the humidification effect of walk-in.

Description

Refrigerator and humidifying mechanism thereof

Technical Field

The invention relates to the technical field of refrigerator structures, in particular to a refrigerator and a humidifying mechanism thereof.

Background

At present, with the improvement of the requirements of people on living quality, air-cooled refrigerators are widely applied. However, the refrigerating chamber of the air-cooled refrigerator is not good for moisture preservation of vegetables and fruits, and the vegetables and fruits are easy to air dry to affect the nutritional value of the vegetables and fruits. The traditional mode is through setting up the humidification of evaporating atomizing defrosting water realization to the walk-in, however this kind of humidification mode still exists the poor problem of humidification effect.

Disclosure of Invention

The invention provides a refrigerator and a humidifying mechanism thereof aiming at the problem of poor humidifying effect, and the refrigerator and the humidifying mechanism thereof can achieve the technical effect of improving the humidifying effect.

A humidification mechanism of a refrigerator comprises a water storage part, an atomizer and a capillary pipeline, wherein a water storage cavity is formed in the water storage part, the water storage part is arranged above a water receiving disc and positioned on one side of a refrigerating chamber, and a fog discharge hole capable of communicating the water storage cavity with the refrigerating chamber is formed in the water storage part; the atomizer is arranged in the water storage cavity; the one end of capillary pipeline is formed with the delivery port, just the one end of capillary pipeline set up in on the water storage spare, the delivery port with the water storage chamber intercommunication, the other end of capillary pipeline is formed with the water sucking mouth, the other end of capillary pipeline be used for set up in on the water collector, so that the water sucking mouth with the water receiving tank intercommunication of water receiving tank, capillary pipeline utilizes capillary phenomenon can with liquid in the water receiving tank is inhaled the water storage intracavity.

In one embodiment, the humidifying mechanism of the refrigerator further comprises at least two transition liquid reservoirs, the capillary pipelines are arranged in the vertical direction, one transition liquid reservoir is arranged between every two adjacent capillary pipelines, and a transition cavity is formed in each transition liquid reservoir; in two adjacent capillary pipelines, the water outlet of the capillary pipeline positioned at the lower part is communicated with the transition cavity of the transition liquid storage device, and the water suction port of the capillary pipeline positioned at the upper part is communicated with the transition cavity of the transition liquid storage device; in each capillary pipeline, the water suction port of the capillary pipeline positioned at the lowest part is communicated with the water receiving tank, and the water outlet of the capillary pipeline positioned at the uppermost part is communicated with the water storage cavity.

In one embodiment, the theoretical height difference h between the water outlet and the water suction port of a single capillary channel is 4 σ cos θ/ρ gd, wherein d is the inner diameter of the capillary channel; rho is the density of the liquid in the water receiving tank; sigma is the surface tension coefficient of the liquid in the water receiving tank; theta is an intersection angle between the liquid level of the liquid in the water receiving tank and the pipe wall of the capillary pipe;

the number of the capillary pipelines is an integer which is larger than or equal to the ratio of the actual height difference H to the theoretical height difference H between the water receiving tray and the water storage piece; and the actual height difference between the water outlet and the water suction port of the single capillary pipeline is less than or equal to the theoretical height difference h.

In one embodiment, the inner diameter of the capillary pipeline is less than or equal to 0.2mm, and the actual height difference between the water outlet and the water suction port of the capillary pipeline is less than or equal to 140 mm; and/or

The capillary channel is a glass channel.

In one embodiment, the humidifying mechanism of the refrigerator further comprises a gas permeable member, a mist storage cavity is formed in the gas permeable member, the gas permeable member is arranged on one side of the refrigerating chamber, and the mist discharge hole is communicated with the mist storage cavity; one side of the gas permeation piece facing the refrigerating chamber is provided with at least two mist outlet holes communicated with the mist storage cavity, the mist outlet holes are arranged at intervals, and the mist outlet holes are communicated with the refrigerating chamber.

In one embodiment, at least two guide channels are formed in the mist storage cavity, the guide channels are respectively communicated with the mist discharge holes, and at least one mist outlet hole is formed in the inner wall of each guide channel.

In one embodiment, the humidifying mechanism of the refrigerator further comprises a conveying pipeline, a mist discharging channel is formed in the conveying pipeline, one end of the conveying pipeline penetrates through the mist discharging hole and is aligned with the atomizer, and the other end of the conveying pipeline is arranged on the gas permeable member so that the mist discharging channel is communicated with the mist storage cavity; and/or

In one embodiment, the humidifying mechanism of the refrigerator further comprises a filter, the filter is arranged in the water storage cavity, and the filter is used for filtering liquid in the water storage cavity.

In one embodiment, the humidifying mechanism of the refrigerator further comprises a humidity sensor and a controller, the humidity sensor is arranged in the refrigerating chamber, the atomizer and the humidity sensor are both electrically connected with the controller, and the controller is used for controlling the operation of the atomizer according to the acquired humidity data detected by the humidity sensor.

A refrigerator comprises a refrigerating chamber, a water pan and the humidifying mechanism, wherein the water pan is positioned below the refrigerating chamber and is provided with a water receiving groove; the water storage piece is arranged above the water receiving tray and positioned on one side of the refrigerating chamber, and the fog discharge hole is communicated with the water storage cavity and the refrigerating chamber; the other end of the capillary pipeline is arranged on the water receiving tray so that the water suction port is communicated with the water receiving groove.

In one embodiment, the refrigerator further comprises an evaporator and a defrosting heater, wherein the defrosting heater is arranged on the evaporator, and the evaporator is arranged below the refrigerating chamber; the water receiving tray is arranged below the evaporator, and one side of the water receiving tray, which faces the evaporator, forms the water receiving tank.

According to the refrigerator and the humidifying mechanism thereof, one end of the capillary pipeline is arranged on the water storage part so that the water outlet of the capillary pipeline is communicated with the water storage cavity of the water storage part, and the other end of the capillary pipeline is arranged on the water receiving tray so that the water suction port of the capillary pipeline is communicated with the water receiving groove. And then, water in the water receiving tank is sucked into the water outlet from the water suction port through the capillary pipeline by utilizing the capillary phenomenon of the capillary pipeline and is discharged into the water storage cavity from the water outlet. When needing to carry out the humidification, start the atomizer that sets up in the water storage intracavity and atomize the water of water storage intracavity, the steam after the atomizing can be discharged into in the freezer through the row fog hole, realizes moisturizing the humidification effect of freezer walk-in, moisturizes for the food of refrigerator walk-in, maintains the fresh sense of food. Above-mentioned humidification mechanism utilizes the capillary phenomenon of capillary pipeline to carry water to the water storage chamber of walk-in one side atomize in, avoided the water in the direct atomizing water collector after, lead to steam to appear carrying the in-process loss of going to the walk-in even unable transport to the walk-in condition to the walk-in, the influence is to the humidification effect of walk-in.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Furthermore, the drawings are not to scale of 1:1, and the relative dimensions of the various elements in the drawings are drawn only by way of example and not necessarily to true scale. In the drawings:

fig. 1 is a rear view of a refrigerator in an embodiment;

FIG. 2 is a side view of the refrigerator shown in FIG. 1;

FIG. 3 is a schematic view of the humidifying mechanism of FIG. 1;

fig. 4 is a rear view of the refrigeration compartment of fig. 1.

Description of reference numerals:

10. a refrigerator; 100. a refrigerating chamber; 110. a communicating hole; 200. a water pan; 210. a water receiving tank; 300. a humidifying mechanism; 310. a water storage member; 312. a water storage cavity; 314. a mist discharge hole; 320. an atomizer; 330. a capillary channel; 332. a water outlet; 334. a water suction port; 340. a transition reservoir; 342. a transition chamber; 350. a gas permeable member; 352. a mist outlet; 354. a guide channel; 360. a delivery conduit; 362. a mist discharge passage; 370. a filter; 372. a filter chamber; 400. an evaporator.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

Referring to fig. 1 to 3, a refrigerator 10 according to an embodiment of the present invention includes a refrigerating chamber 100, a water pan 200 and a humidifying mechanism 300, wherein the water pan 200 is located below the refrigerating chamber 100, and a water receiving tank 210 is formed on the water pan 200. The humidifying mechanism 300 humidifies the refrigerating compartment 100 in the water receiving tank 210.

Specifically, the humidifying mechanism 300 includes a water storage member 310, an atomizer 320 and a capillary tube 330, a water storage cavity 312 is formed in the water storage member 310, the water storage member 310 is disposed above the water pan 200 and located at one side of the refrigerating chamber 100, and a mist discharge hole 314 capable of communicating the water storage cavity 312 with the refrigerating chamber 100 is further formed in the water storage member 310; the atomizer 320 is disposed in the water storage cavity 312; a water outlet 332 is formed at one end of the capillary pipe 330, one end of the capillary pipe 330 is arranged on the water storage member 310, the water outlet 332 is communicated with the water storage cavity 312, a water suction port 334 is formed at the other end of the capillary pipe 330, and the other end of the capillary pipe 330 is arranged on the water receiving tray 200, so that the water suction port 334 is communicated with the water receiving tank 210. The capillary pipe 330 can draw the liquid in the water receiving tank 210 into the water storage cavity 312 by using a capillary phenomenon.

In the refrigerator 10 and the humidifying mechanism 300 thereof, one end of the capillary tube 330 is disposed on the water storage 310, so that the water outlet 332 of the capillary tube 330 is communicated with the water storage cavity 312 of the water storage 310, and the other end of the capillary tube 330 is disposed on the water receiving tray 200, so that the water suction port 334 of the capillary tube 330 is communicated with the water receiving tank 210. Further, water in the water receiving tank 210 is sucked from the water suction port 334 through the capillary pipe 330 to the water outlet 332 by the capillary phenomenon of the capillary pipe 330, and is discharged from the water outlet 332 to the water storage chamber 312. When humidification is needed, the atomizer 320 arranged in the water storage cavity 312 is started to atomize water in the water storage cavity 312, and atomized water vapor can be discharged into the refrigerating chamber 100 through the mist discharge hole 314, so that the humidifying effect on the refrigerating chamber 100 is realized, food in the refrigerating chamber 100 of the refrigerator 10 is moisturized, and the freshness of the food is maintained. The humidifying mechanism 300 utilizes the capillary phenomenon of the capillary pipe 330 to convey water to the water storage cavity 312 on one side of the refrigerating chamber 100 for atomization, so that the phenomenon that after water in the water receiving tray 200 is directly atomized, water vapor is lost or even cannot be conveyed to the refrigerating chamber 100 in the conveying process of the water vapor to the refrigerating chamber 100 is avoided, and the humidifying effect on the refrigerating chamber 100 is influenced.

The capillary pipe 330 utilizes the capillary force of the capillary phenomenon to enable the water in the water receiving tank 210 to have an energy, and after doing work, the energy is converted into an equivalent gravitational potential energy, which is expressed as the rising height of the water in the capillary pipe 330, so that the water can enter the water storage cavity 312. Compared with the method that water vapor is directly atomized in the water pan 200 and then sent into the refrigerating chamber 100 through the pipe conveying devices and the like, the refrigerating chamber 100 is spaced from the water pan 200, the pipe conveying devices and the like for conveying the water vapor are generally buried in a foaming layer, if the temperature of the water vapor is lower than that of the foaming layer, the water vapor can be condensed to form water drops, and the water vapor cannot be effectively conveyed to the refrigerating chamber 100, so that the humidifying effect is influenced. Or in order to guarantee the transmission effect of steam, structures such as fans need to be arranged, so that not only are the parts increased, but also the fans can increase the loss of energy such as electric quantity.

In one embodiment, the water storage member 310 is disposed at a rear side of the refrigerator compartment 100. By arranging the water storage member 310 on the back side of the refrigerating chamber 100, atomized water vapor can enter the refrigerating chamber 100 more conveniently, and the space on the back side of the refrigerating chamber 100 is utilized, so that redundant area is not occupied, and the space is saved.

In one embodiment, the refrigerator 10 further includes an evaporator 400 and a defrosting heater, wherein the defrosting heater is disposed on the evaporator 400, and the evaporator 400 is disposed below the refrigerating chamber 100; the water receiving tray 200 is disposed below the evaporator 400, and one side of the water receiving tray 200 facing the evaporator 400 forms the water receiving tank 210. In this embodiment, the evaporator 400 is disposed between the water-receiving tray 200 and the refrigerating compartment 100, and the evaporator 400 is used for refrigerating the refrigerating compartment 100. After a period of use, evaporator 400 is susceptible to frost formation, which can affect the continued cooling of evaporator 400. The defrosting water is formed after the evaporator 400 is defrosted by starting the defrosting heater, and the defrosting water can be dripped into the water receiving tank 210 and stored in the water receiving tank 210. In the humidifying process, the defrosting water of the water receiving tank 210 is directly utilized for humidifying, and extra water is prevented from being added into the water receiving tank 210.

In one embodiment, the actual height difference between the water outlet 332 and the water suction port 334 of the capillary 330 is inversely proportional to the inner diameter of the capillary 330. Since the capillary tube 330 draws water into the water storage chamber 312 by using a capillary phenomenon, the thinner the capillary tube 330 is, the higher the level of the water rising in the capillary tube 330 is.

In the present embodiment, the theoretical height difference h between the water outlet 332 and the water suction port 334 of the capillary channel 330 is 4 σ cos θ/ρ gd, wherein,

d is the inner diameter of the capillary 330;

ρ is the density of the liquid in the water receiving tank 210;

σ is the surface tension coefficient of the liquid in the water receiving tank 210;

θ is an intersection angle between the liquid level of the liquid in the water receiving tank 210 and the pipe wall of the capillary pipe 330.

Specifically, if an intersection angle θ between the liquid level of the liquid in the water receiving tank 210 and the pipe wall of the capillary pipe 330 is 0 °, cos θ is 1, d is 0.2mm, and h is 140 mm. Note that θ cannot be greater than 90 °, otherwise the liquid level will drop.

When determining the relationship between the height difference between the water outlet 332 and the water suction port 334 of the capillary 330 and the inner diameter of the capillary 330, it should be noted that the capillary phenomenon is different at different liquid temperatures. For example, as the temperature of the liquid decreases, the surface tension coefficient σ of the liquid increases, the angle θ at which the liquid surface intersects the tube wall decreases, and cos θ increases. Because the liquid temperature is reduced, the liquid expands with heat and contracts with cold, the gravity acceleration g is unchanged, and the water density rho is increased along with the temperature reduction. The capillary 330 is generally disposed in the foaming layer, the temperature of the capillary 330 is lower than the ambient temperature, and the actual rising height of the liquid level in the capillary 330 is higher than the theoretical value in consideration of the temperature influence.

In this embodiment, the inner diameter of the capillary 330 is less than or equal to 0.2mm, and the actual height difference between the water outlet 332 and the water suction port 334 of the capillary 330 is less than or equal to 140 mm. Specifically, when the height difference between the water-receiving tray 200 and the water storage 310 is greater than 140mm, the capillary tube 330 cannot transfer the water that has entered the water-receiving tray 200 into the water storage 310 by one-time capillary phenomenon. For example, since the height difference between the water receiving tray 200 and the water storage member 310 is about 1020mm, multiple capillary phenomena are required to transport water from the water receiving tray 210 to the water storage cavity 312.

In this embodiment, the humidifying mechanism 300 further includes at least two transition reservoirs 340, the number of the capillary tubes 330 is at least two, each of the capillary tubes 330 is arranged along the vertical direction, a transition reservoir 340 is disposed between every two adjacent capillary tubes 330, and a transition cavity 342 is formed in the transition reservoir 340; in two adjacent capillary tubes 330, the water outlet 332 of the capillary tube 330 positioned below is communicated with the transition cavity 342 of the transition reservoir 340, and the water suction port 334 of the capillary tube 330 positioned above is communicated with the transition cavity 342 of the transition reservoir 340; in each of the capillary channels 330, the water suction port 334 of the lowermost capillary channel 330 is communicated with the water receiving tank 210, and the water outlet 332 of the uppermost capillary channel 330 is communicated with the water storage chamber 312. Specifically, in two adjacent capillary tubes 330, one end of the capillary tube 330 below, which forms the water outlet 332, is disposed on a transition reservoir 340, so that the water outlet 332 of the capillary tube 330 is communicated with a transition cavity 342 of the transition reservoir 340; the end of the capillary tube 330 forming the water suction port 334 is disposed on the transition reservoir 340, so that the water suction port 334 of the capillary tube 330 is communicated with the transition cavity 342 of the transition reservoir 340.

If the water in the water receiving tray 200 cannot be delivered into the water storage 310 through one capillary phenomenon, the water in the water receiving tray 200 is delivered into the water storage 310 through at least two capillary pipes 330 by using at least two capillary phenomena. The lowermost capillary pipe 330 can send the water in the water tray 200 into the transition chamber 342 of the transition reservoir 340 connected to the capillary pipe 330 by using the capillary phenomenon of the capillary pipe 330. The capillary tube 330 located above can further transmit the water in the transition chamber 342 of the transition reservoir 340 connected with the capillary tube upwards by capillary phenomenon until the water is delivered into the water storage chamber 312 of the water storage member 310.

Specifically, the water suction port 334 of the capillary 330 communicating with the transition chamber 342 is disposed near the bottom wall of the transition chamber 342 to facilitate the effective entry of water in the transition chamber 342 into the capillary 330. The water outlet 332 of the capillary pipe 330 communicating with the water receiving tank 210 is disposed near the bottom wall of the water receiving tank 210.

Specifically, in two adjacent capillary channels 330, the water suction port 334 of the upper capillary channel 330 and the water outlet 332 of the lower capillary channel 330 may be arranged in a staggered manner, so as to avoid mutual interference.

Alternatively, in two adjacent capillary ducts 330, the water suction port 334 of the capillary duct 330 located above is lower than the water outlet port 332 of the capillary duct 330 located below in the vertical direction. If more water is accumulated in the transition cavity 342, the arrangement can prevent the water outlet 332 of the capillary tube 330 located below from being flooded with water, and further avoid affecting the effect of the capillary tube 330 located below in absorbing water by using the capillary phenomenon.

In one embodiment, the number of the capillary tubes 330 is an integer greater than or equal to a ratio of an actual height difference H to a theoretical height difference H between the water receiving tray 200 and the water storage member 310. Where h is the theoretical height difference between the water outlet 332 and the water suction port 334 of the capillary 330. The actual height difference between the water outlet 332 and the water suction opening 334 of the single capillary duct 330 is smaller than or equal to the theoretical height difference h. Since h can be obtained by the above formula, in order to ensure the stability of the single capillary tube 330 in transporting water by using the capillary phenomenon, the actual height difference between the water outlet 332 and the water suction port 334 of the single capillary tube 330 is smaller than or equal to the theoretical height difference h. In this embodiment, the sum of the actual height differences between the water outlet 332 and the water suction port 334 of each capillary 330 should be greater than or equal to the actual height difference H between the water-receiving tray 200 and the water storage member 310.

In one embodiment, the capillary channel 330 is a glass channel. The angle of intersection between the wall of the glass tube and the liquid level of the water is small, which is favorable for the rise of the liquid level in the capillary 330. In this embodiment, the glass tube may be made of a high temperature, high pressure, and corrosion resistant glass material, so as to ensure the stability of the capillary tube 330 during long-term use. In other embodiments, the capillary tube 330 may also be made of other materials with a smaller intersection angle between the tube wall and the liquid level of the water, or a hydrophilic layer may be coated on the inner wall of the capillary tube 330 to reduce the intersection angle between the tube wall and the liquid level of the water and improve the capillary action of the capillary tube 330.

In one embodiment, one end of the capillary tube 330 connected to the water storage member 310 is bent with respect to the vertical direction and then connected to the water storage member 310, so as to facilitate the installation and connection of the capillary tube 330 to the water storage member 310 and the communication between the water outlet 332 and the water storage cavity 312. In one embodiment, the end of the capillary tube 330 connected to the water tray 200 is bent with respect to the vertical direction and then connected to the water tray 200, so as to facilitate the installation and connection of the capillary tube 330 to the water tray 200 and the communication between the water suction port 334 and the water receiving tank 210. In other embodiments, the capillary channel 330 may also be left unbent.

Referring to fig. 3 and 4, in an embodiment, the humidifying mechanism 300 further includes a gas permeable member 350, a mist storage cavity is formed in the gas permeable member 350, the gas permeable member 350 is disposed at one side of the refrigerating compartment 100, and the mist discharge hole 314 is communicated with the mist storage cavity; at least two mist outlet holes 352 communicated with the mist storage cavity are formed in one side, facing the refrigerating chamber 100, of the gas permeable member 350, each of the mist outlet holes 352 is arranged at intervals, and each of the mist outlet holes 352 is used for being communicated with the refrigerating chamber 100. The collection of the water vapor discharged from the mist discharge holes 314 is facilitated by the provision of the gas permeable member 350, so that the collected water vapor is stored in the mist storage chamber and is transported to different locations of the refrigerating compartment 100 through the respective spaced mist discharge holes 352.

Specifically, at least two guide channels 354 are formed in the mist storage cavity, the guide channels 354 are respectively communicated with the mist discharge holes 314, and at least one mist outlet hole 352 is formed in an inner wall of each guide channel 354. After the moisture is discharged from the mist discharge holes 314, the moisture can be conveniently introduced into different guide channels 354, and the moisture can be more effectively guided to the mist outlet holes 352 at different positions by the guide channels 354, so that the humidification uniformity of the refrigerating chamber 100 is improved.

Optionally, the guiding channel 354 is a strip-shaped channel, the mist outlet hole 352 is opened on the inner wall of the guiding channel 354 and is communicated with the refrigerating chamber 100, and the diameter size of the mist outlet hole 352 is consistent with the width size of the guiding channel 354. So that the moisture in the guide channel 354 is effectively introduced into the refrigerating compartment 100 through the mist outlet hole 352.

Optionally, the refrigerating compartment 100 is provided with a communication hole 110 at a position corresponding to the mist outlet hole 352, and each mist outlet hole 352 is correspondingly communicated with the space in the refrigerating compartment 100 through a communication hole 110.

In this embodiment, the gas permeable member 350 is positioned above the water storage member 310, and the mist discharge hole 314 is opened in the top wall of the water storage member 310. Specifically, the length direction of the single guide channel 354 is arranged in a vertical direction, at least two mist outlet holes 352 are communicated with one guide channel 354, and the mist outlet holes 352 communicated with the guide channel 354 are arranged at intervals in the vertical direction.

Alternatively, the number of the guide passages 354 is three, the three guide passages 354 are arranged in parallel at intervals, and the guide passages 354 are all communicated with the mist discharge hole 314. In other embodiments, the number of guide channels 354 may be other numbers. The arrangement of the guide channels 354 may also be arranged to guide the moisture as needed.

Referring to fig. 1 and 3, in an embodiment, the humidifying mechanism 300 further includes a transmission pipe 360, a mist discharge channel 362 is formed in the transmission pipe 360, one end of the transmission pipe 360 passes through the mist discharge hole 314 and is aligned with the atomizer 320, and the other end of the transmission pipe 360 is disposed on the gas permeable member 350, so that the mist discharge channel 362 is communicated with the mist storage chamber. Because atomizer 320 can be aimed at to transfer pipe 360's one end, and then can more stably guide steam to storing up the fog intracavity through row fog passageway 362, improve steam and enter into the stability that stores up the fog chamber. Specifically, the other end of the transfer pipe 360 is disposed on the gas permeable member 350, and each guide passage 354 is communicated with the mist discharge passage 362.

In this embodiment, the position of the water outlet 332 of the capillary 330 is lower than that of one end of the transfer pipe 360. Because water enters the water storage cavity 312 through the water outlet 332 of the capillary pipe 330, the water outlet 332 of the capillary pipe 330 is lower than one end of the conveying pipe 360, so that the water discharged from the water outlet 332 is prevented from entering the conveying pipe to affect the discharge of water vapor.

In an embodiment, the humidifying mechanism 300 further includes a filter 370, the filter 370 is disposed in the water storage cavity 312, and the filter 370 is used for filtering water in the water storage cavity 312. By providing the filter 370 to filter the water in the water storage chamber 312, the cleanliness of the vapor generated after atomization can be provided. In this embodiment, the filter 370 is a filter membrane, the filter membrane defines a filter chamber 372, the filter membrane is disposed on the bottom wall of the water storage chamber 312, and the atomizer 320 is disposed in the filter chamber 372. When water in the water storage cavity 312 enters the filter cavity 372, the water needs to be filtered by the filter membrane, so that the cleanness degree of water vapor atomized by the atomizer 320 is improved. In other embodiments, the filter 370 may have other filtering structures as long as the filtering effect on the water in the water storage cavity 312 can be achieved.

In an embodiment, the humidifying mechanism 300 of the refrigerator 10 further includes a humidity sensor and a controller, the humidity sensor is configured to be disposed in the refrigerating chamber 100, the atomizer 320 and the humidity sensor are both electrically connected to the controller, and the controller is configured to control the operation of the atomizer 320 according to the acquired humidity data detected by the humidity sensor. In use, when the humidity sensor detects that the humidity of the refrigerating compartment 100 is low, the controller can control the atomizer 320 to activate to humidify the refrigerating compartment 100.

In this embodiment, the defrosting heater is electrically connected to the controller. Since the water entering the water storage chamber 312 is the defrosting water generated after the defrosting heater defrosts in the embodiment, the controller controls the atomizer 320 to start according to the humidity data detected by the humidity sensor only after the defrosting heater passes at least one defrosting cycle. For example, the humidity sensor may control the atomizer 320 to be activated by the controller after the defrosting heater has passed at least four defrosting cycles.

In other embodiments, a liquid level sensor may be disposed in the water storage cavity 312, and the liquid level sensor is electrically connected to the controller. When detecting that the water in the water storage cavity 312 reaches a certain height, the atomizer 320 can control the atomizer 320 to start when the water can be atomized.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Claims

1. A humidification mechanism for a refrigerator, the humidification mechanism comprising:

the water storage part is internally provided with a water storage cavity, is arranged above the water receiving disc and is positioned on one side of the refrigerating chamber, and is also provided with a mist discharge hole which can communicate the water storage cavity with the refrigerating chamber;

the atomizer is arranged in the water storage cavity; and

the water storage device comprises a capillary pipeline, a water outlet is formed in one end of the capillary pipeline, one end of the capillary pipeline is arranged on the water storage part, the water outlet is communicated with the water storage cavity, a water suction port is formed in the other end of the capillary pipeline, the other end of the capillary pipeline is used for being arranged on the water receiving tray, so that the water suction port is communicated with the water receiving groove of the water receiving tray, and the capillary pipeline can suck liquid in the water receiving groove into the water storage cavity by utilizing capillary phenomenon.

2. The humidification mechanism of a refrigerator according to claim 1, further comprising at least two transition reservoirs, wherein each of the capillary conduits is arranged in a vertical direction, one transition reservoir is disposed between every two adjacent capillary conduits, and a transition cavity is formed in each transition reservoir; in two adjacent capillary pipelines, the water outlet of the capillary pipeline positioned at the lower part is communicated with the transition cavity of the transition liquid storage device, and the water suction port of the capillary pipeline positioned at the upper part is communicated with the transition cavity of the transition liquid storage device; in each capillary pipeline, the water suction port of the capillary pipeline positioned at the lowest part is communicated with the water receiving tank, and the water outlet of the capillary pipeline positioned at the uppermost part is communicated with the water storage cavity.

3. The humidification mechanism of a refrigerator according to claim 2, wherein a theoretical height difference h-4 σ cos θ/ρ gd between a water outlet and a water suction port of a single capillary tube, wherein d is an inner diameter of the capillary tube; rho is the density of the liquid in the water receiving tank; sigma is the surface tension coefficient of the liquid in the water receiving tank; theta is an intersection angle between the liquid level of the liquid in the water receiving tank and the pipe wall of the capillary pipe;

4. The humidification mechanism of a refrigerator according to any one of claims 1 to 3, wherein an inner diameter of the capillary tube is less than or equal to 0.2mm, and an actual height difference between a water outlet and a water suction port of the capillary tube is less than or equal to 140 mm; and/or

The capillary channel is a glass channel.

5. The humidification mechanism of a refrigerator according to any one of claims 1 to 3, further comprising a gas permeable member having a mist storage chamber formed therein, the gas permeable member being disposed at one side of the refrigerating chamber, the mist discharge hole being communicated with the mist storage chamber; one side of the gas permeation piece facing the refrigerating chamber is provided with at least two mist outlet holes communicated with the mist storage cavity, the mist outlet holes are arranged at intervals, and the mist outlet holes are communicated with the refrigerating chamber.

6. The humidifying mechanism of claim 5, wherein at least two separate guiding channels are formed in the mist storage chamber, each guiding channel is communicated with the mist discharge hole, and at least one mist outlet hole is formed in the inner wall of each guiding channel.

7. The humidification mechanism of a refrigerator according to claim 5, further comprising a transfer duct having a mist discharge passage formed therein, one end of the transfer duct passing through the mist discharge hole and being aligned with the atomizer, the other end of the transfer duct being disposed on the gas permeable member so that the mist discharge passage communicates with the mist storage chamber; and/or

The filter is arranged in the water storage cavity and used for filtering liquid in the water storage cavity.

8. The humidification mechanism of a refrigerator according to any one of claims 1 to 3, further comprising a humidity sensor and a controller, wherein the humidity sensor is disposed in the refrigerating compartment, the atomizer and the humidity sensor are both electrically connected to the controller, and the controller is configured to control operation of the atomizer according to acquired humidity data detected by the humidity sensor.

9. A refrigerator, characterized in that the refrigerator comprises:

a refrigerating chamber;

the water receiving tray is positioned below the refrigerating chamber, and a water receiving groove is formed in the water receiving tray; and

the humidifying mechanism as claimed in any one of claims 1 to 8, wherein the water storage member is arranged above the water pan and at one side of the refrigerating chamber, and the mist discharge hole communicates the water storage chamber and the refrigerating chamber; the other end of the capillary pipeline is arranged on the water receiving tray so that the water suction port is communicated with the water receiving groove.

10. The refrigerator according to claim 9, further comprising an evaporator and a defrosting heater, the defrosting heater being disposed on the evaporator, the evaporator being disposed below the refrigerating chamber; the water receiving tray is arranged below the evaporator, and one side of the water receiving tray, which faces the evaporator, forms the water receiving tank.