CN115111868A

CN115111868A - Refrigerator with a door

Info

Publication number: CN115111868A
Application number: CN202210764487.5A
Authority: CN
Inventors: 陶海波; 江朔; 杨大海; 曲晓雷; 李厚敏; 蒋文静
Original assignee: Hisense Refrigerator Co Ltd
Current assignee: Hisense Refrigerator Co Ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-09-27

Abstract

The invention relates to a refrigerator, which comprises a refrigerator body, a compressor, a condenser, an ice making box, an ice making pipe and a four-way valve, wherein the ice making pipe extends into an ice making chamber and is contacted with the ice making box; the ice making pipe is communicated with the condenser; the four-way valve is provided with four valve ports which are respectively connected with an exhaust port of the compressor, an air return port of the compressor, the condenser and the ice making pipe. The four-way valve is matched with the compressor, the condenser and the ice making pipe, and the ice making pipe can realize refrigeration or heating through reversing of the four-way valve. When the ice making box needs to make ice, the four-way valve is communicated with the exhaust port of the compressor and the condenser and is communicated with the ice making pipe and the air return port of the compressor, so that the ice making pipe can refrigerate, and the ice making pipe is contacted with the ice making box to make ice. When the ice making box needs to be deiced, the four-way valve is communicated with the exhaust port of the compressor and the ice making pipe and is communicated with the condenser and the air return port of the compressor, so that the ice making pipe can heat, the ice making box is deiced, the ice making box can make and deiced quickly, and the ice making efficiency is improved finally.

Description

Refrigerator with a door

Technical Field

The invention relates to the technical field of refrigeration equipment, in particular to a refrigerator.

Background

Refrigerators are indispensable electric appliances in home life. With the increasing demand of consumers for fresh food, the demand of refrigerators is increasing.

The existing refrigerator generally adopts an air cooling mode when ice is made, and the ice making speed is slow because the temperature of air in a freezing chamber is generally lower than the surface temperature of an ice making pipe. Meanwhile, when ice making is completed and ice removing operation is needed, the heating wire is generally adopted to heat the ice box, so that ice blocks are separated from the ice box, the energy consumption is high, and the structure is complex. Therefore, the common refrigerator has a slow ice making speed and a poor ice making effect, and the use experience of a user is influenced.

Disclosure of Invention

The invention aims to provide a refrigerator, which is used for optimizing an ice making structure of the refrigerator in the related art and improving the performance of ice making and ice removing.

In order to solve the technical problems, the invention adopts the following technical scheme:

according to one aspect of the present invention, there is provided a refrigerator including: a case in which an ice making chamber is provided; a compressor and a condenser are arranged in the box body; the ice making box is arranged in the ice making chamber; the ice making pipe extends into the ice making chamber and is in contact with the ice making box; the ice making pipe is communicated with the condenser; a four-way valve having four valve ports respectively connected to an exhaust port of the compressor, a return port of the compressor, the condenser and the ice making pipe; when the ice making box needs to make ice, two valve ports of the four-way valve are respectively communicated with an exhaust port of the compressor and the condenser, and the other two valve ports of the four-way valve are respectively communicated with the ice making pipe and an air return port of the compressor; when the ice making box needs to be deiced, two valve ports of the four-way valve are respectively communicated with an exhaust port of the compressor and the ice making pipe, and the other two valve ports of the four-way valve are respectively communicated with the condenser and an air return port of the compressor.

In some embodiments of the present application, the refrigerator further comprises a first three-way valve disposed between the evaporator and the first three-way valve; a refrigerating chamber is arranged in the box body; the evaporator is arranged in the box body and is used for providing refrigeration for the refrigeration chamber; the first three-way valve is arranged in the box body, a first valve port of the first three-way valve is connected with the condenser, a second valve port of the first three-way valve is connected with one end of the ice making pipe, and a third valve port of the first three-way valve is connected with one end of the evaporator; the other end of the evaporator is connected with the other end of the ice making pipe.

In some embodiments of the present application, the refrigerator further includes a second three-way valve disposed in the box body; the first valve port of the second three-way valve is connected with one end of the ice making pipe, which is far away from the first three-way valve, the second valve port of the second three-way valve is connected with one end of the evaporator, which is far away from the first three-way valve, and the third valve port of the second three-way valve is connected with the valve port of the four-way valve, which is used for being connected with the ice making pipe.

In some embodiments of the present application, the refrigerator further includes a check valve, and the check valve is disposed in the box body; the one-way valve is arranged between the evaporator and the four-way valve, the inlet end of the one-way valve is connected with one end of the evaporator, which is far away from the first three-way valve, and the outlet end of the one-way valve is connected with one end of the ice making pipe, which is far away from the first three-way valve.

In some embodiments of the present application, the refrigerator further comprises a first restriction and a second restriction; the first throttle is arranged between the first three-way valve and the ice making pipe, one end of the first throttle is connected with a second valve port of the first three-way valve, and the other end of the first throttle is connected with the ice making pipe; the second throttle is arranged between the first three-way valve and the evaporator, one end of the second throttle is connected with the third valve port of the first three-way valve, and the other end of the second throttle is connected with the evaporator.

In some embodiments of the present application, the refrigerator further comprises a third current regulator; the third flow restrictor is arranged between the first three-way valve and the condenser, one end of the third flow restrictor is connected with the first valve port of the first three-way valve, and the other end of the third flow restrictor is connected with the condenser.

In some embodiments of the present application, the refrigerator further comprises a dew removing tube and a dry filter; the dew removing pipe is arranged at one end of the condenser, which is far away from the four-way valve; the drying filter is arranged between the dew removing pipe and the first valve port of the first three-way valve.

Some embodiments of this application, the refrigerator still includes evaporation fan, evaporation fan locates in the box, and be used for with the air conditioning that the evaporimeter produced carries extremely in the refrigeration room.

Some embodiments of this application, the refrigerator still includes the condensation fan, the condensation fan is located in the box, the condensation fan with the condenser is just right, and be used for to the condenser is bloied.

In some embodiments of the present disclosure, the ice making box is rotatably disposed in the ice making chamber, the ice making pipe is fixed in the ice making chamber, and the ice making box can rotate relative to the ice making pipe.

According to the technical scheme, the embodiment of the invention at least has the following advantages and positive effects:

in the refrigerator provided by the embodiment of the invention, the four-way valve is matched with the compressor, the condenser and the ice making pipe, and the ice making pipe can realize refrigeration or heating by reversing the four-way valve. When the ice making box needs to make ice, the four-way valve is communicated with the exhaust port and the condenser of the compressor and is communicated with the ice making pipe and the air return port of the compressor, so that a refrigerant sequentially flows through the exhaust port of the compressor, the condenser, the ice making pipe and the air return port of the compressor, the ice making pipe can refrigerate, and the ice making function of the ice making box is realized by the contact of the ice making pipe and the ice making box. When the ice making box needs to be de-iced, the four-way valve is communicated with the exhaust port of the compressor and the ice making pipe and is communicated with the condenser and the air return port of the compressor, so that the refrigerant sequentially flows through the exhaust port of the compressor, the ice making pipe, the condenser and the air return port of the compressor, the high-temperature refrigerant flowing out of the compressor can firstly flow through the ice making pipe and further can heat the ice making pipe, the ice making pipe is contacted with the ice making box, the de-icing function of the ice making box is achieved, the ice making box can rapidly make and de-ice, and the ice making efficiency is finally improved.

Drawings

Fig. 1 is a schematic structural view of the inside of a refrigerator according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of an ice-making housing in the ice-making chamber of fig. 1.

Fig. 3 is a side view of fig. 2.

Fig. 4 is a schematic view of the structure of fig. 3 in another state.

Fig. 5 is a schematic structural diagram of a refrigeration system of an embodiment of the refrigerator in fig. 1.

Fig. 6 is a schematic view illustrating a structure of fig. 5 in a simultaneous ice making and cooling mode.

Fig. 7 is a schematic structural view of fig. 5 in an individual ice making mode.

Fig. 8 is a schematic view of the structure of fig. 5 in a cooling only mode.

Fig. 9 is a schematic view of the structure of fig. 5 in an ice-shedding mode.

Fig. 10 is a schematic structural view of fig. 5 in a defrosting mode.

Fig. 11 is a schematic structural view of a refrigeration system of another embodiment of the refrigerator of fig. 1.

Fig. 12 is a schematic configuration diagram of fig. 11 in a simultaneous ice making and cooling mode.

Fig. 13 is a schematic structural view of fig. 11 in an individual ice making mode.

Fig. 14 is a schematic view of the structure of fig. 11 in a cooling only mode.

FIG. 15 is a schematic view of the structure of FIG. 11 in a de-icing mode.

The reference numerals are explained below: 1. a box body; 11. an ice making chamber; 12. an ice-making box; 121. an ice making grid; 13. a freezing chamber; 14. a refrigerating chamber; 15. a temperature-variable chamber; 2. an ice making pipe; 21. a first choke; 3. a compressor; 31. an exhaust port; 32. an air return port; 4. a four-way valve; 41. a first valve port; 42. a second valve port; 43. a third valve port; 44. a fourth valve port; 5. a condenser; 51. drying the filter; 52. removing dew pipes; 53. a condensing fan; 6. a first three-way valve; 61. a third current regulator; 7. an evaporator; 71. a second choke; 72. an evaporation fan; 8. a second three-way valve; 9. a one-way valve.

Detailed Description

Exemplary embodiments that embody features and advantages of the invention are described in detail below in the specification. It is to be understood that the invention is capable of other embodiments and that various changes in form and details may be made therein without departing from the scope of the invention and the description and drawings are to be regarded as illustrative in nature and not as restrictive.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.

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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Fig. 1 is a schematic structural view of the inside of a refrigerator according to an embodiment of the present invention. Fig. 2 is a schematic view of the structure of the ice making housing 12 in the ice making compartment 11 of fig. 1.

Referring to fig. 1 and 2, a refrigerator according to an embodiment of the present invention mainly includes a box body 1, an ice making chamber 11 disposed in the box body 1, an ice making box 12 and an ice making pipe 2 disposed in the ice making chamber 11, and a refrigeration system disposed in the box body 1.

Wherein, the box body 1 adopts a cuboid hollow structure. It will be appreciated that other shapes of hollow housing structures may be used for the housing 1.

A plurality of mutually separated refrigerating compartments can be arranged in the box body 1, and each separated refrigerating compartment can be used as an independent storage space, such as a freezing compartment 13, a refrigerating compartment 14, a temperature changing compartment 15 and the like, so as to meet different refrigerating requirements of freezing, refrigerating, temperature changing and the like according to different food types and store the food. The multiple refrigerating compartments can be arranged in a vertically separated manner or in a horizontally separated manner.

In some embodiments, a door (not shown) is disposed at the front side of the cabinet 1 for opening and closing the refrigerating compartment. The door body and the refrigerator body 1 can be connected through a hinge, so that the door body of the refrigerator can rotate around the axis, the door body of the refrigerator is opened and closed, and the corresponding refrigerating chamber is opened and closed. It can be understood that a plurality of door bodies can be arranged and are arranged in one-to-one correspondence with the refrigeration compartments. And a plurality of door bodies can simultaneously open and close one refrigerating chamber.

Referring to fig. 1, in some embodiments, the refrigerator 1 includes a refrigerating compartment 14, a temperature-changing compartment 15 and a freezing compartment 13 arranged at intervals up and down.

Still referring to fig. 1, the ice making chamber 11 is disposed in the freezing chamber 13. The ice making chamber 11 and the freezing chamber 13 both have a low temperature during operation, and therefore, the ice making chamber 11 is disposed inside the freezing chamber 13, and the mutual influence of the temperatures of the two can be reduced or eliminated. It should be noted that, in some other embodiments, the ice making chamber 11 may also be separately disposed in the box body 1, that is, the ice making chamber 11 is separately disposed outside the freezing chamber 13.

Referring to fig. 1 and 2, the ice making housing 12 is disposed in the ice making chamber 11, a plurality of ice making cells 121 are disposed on the ice making housing 12, and each ice making cell 121 is capable of storing water and converting the water into ice at a low temperature to make ice.

Fig. 3 is a side view of fig. 2. Fig. 4 is a schematic view of the structure of fig. 3 in another state.

Referring to fig. 2 to 4, the ice making housing 12 is rotatably disposed in the ice making compartment 11. After the ice cubes are formed in the ice making cells 121 in the ice making box 12, the ice cubes on the ice making cells 121 can fall down by turning over the ice making box 12, so that the ice cubes can be collected for use or collected and stored.

In some embodiments, an ice bank (not shown) is disposed in the ice-making chamber 11, and the ice bank is disposed below the ice-making box 12. When the ice-making box 12 is turned over, the ice cubes in the ice-making cells 121 can fall into the ice bank for collection and storage through the ice bank.

Referring to fig. 2 to 4, the ice making pipe 2 is extended into the ice making compartment 11 and contacts the ice making housing 12. It is noted that, in some embodiments, the ice making pipe 2 may be entirely located within the ice making compartment 11.

The ice making pipe 2 has two functions, one is cooling and the other is heating. When the ice making pipe 2 is used for refrigerating, the ice making cells 121 can absorb the cold energy of the ice making pipe 2 due to the contact between the ice making box 12 and the ice making pipe 2, so that the water stored in the ice making cells 121 can be converted into ice blocks, and the ice making function of the ice making box 12 is realized. After the ice making box 12 is turned over, the ice making tray 121 heats, and the ice making tray 121 can absorb heat of the ice making pipe 2, so that ice cubes in the ice making tray 121 can be separated from the ice making tray 121, and the ice removing function of the ice making box 12 is realized.

In some embodiments, the ice making pipe 2 is located at the rotation axis of the ice making box 12, that is, the ice making box 12 can rotate relative to the ice making pipe 2 with the ice making pipe 2 as the rotation axis. In the process that the ice making box 12 rotates relative to the ice making pipe 2, the ice making box 12 can always keep in contact with the ice making pipe 2, and the transmission of cold or heat between the ice making pipe 2 and the ice cube tray 121 is ensured.

Fig. 5 is a schematic structural diagram of a refrigeration system of an embodiment of the refrigerator of fig. 1. Fig. 5 shows the structure of the refrigerating system of the first embodiment of the refrigerator of the present invention.

Referring to fig. 5, the refrigeration system of the present embodiment mainly includes a compressor 3, a four-way valve 4, a condenser 5, a first three-way valve 6, an ice making pipe 2, an evaporator 7, and a second three-way valve 8.

Wherein, the compressor 3 is arranged in the box body 1. Specifically, 3 storehouses of the compressor are arranged in the box body 1, and the compressor 3 is arranged in the 3 storehouses of the compressor. The compressor 3 compresses a refrigerant, and converts the refrigerant in the compressor 3 into a high-temperature and high-pressure refrigerant. The compressor 3 has an exhaust port 31 and a return port 32, and a high-temperature and high-pressure refrigerant flows out of the compressor 3 from the exhaust port 31 and is changed into a low-temperature and low-pressure refrigerant after passing through a refrigeration cycle, and the low-temperature and low-pressure refrigerant can return to the inside of the compressor 3 from the return port 32 and be re-compressed by the compressor 3 into the high-temperature and high-pressure refrigerant.

Referring to fig. 5, the four-way valve 4 is disposed in the box 1, and the four-way valve 4 has four valve ports, and the four valve ports are respectively used for connecting the exhaust port 31 of the compressor 3, the return air port 32 of the compressor 3, the condenser 5 and the ice making pipe 2. Specifically, the first valve port 41 of the four-way valve 4 is connected to the exhaust port 31 of the compressor 3. A second port 42 of the four-way valve 4 is connected to one end of the condenser 5. The third valve port 43 of the four-way valve 4 is connected to one end of the ice making pipe 2. A fourth port 44 of the four-way valve 4 is connected to the return port 32 of the compressor 3.

Fig. 6 is a schematic configuration diagram of fig. 5 in a simultaneous ice making and cooling mode. Fig. 7 is a schematic structural view of fig. 5 in an individual ice making mode. Fig. 8 is a schematic view of the structure of fig. 5 in a cooling only mode.

Referring to fig. 5 to 8, in some embodiments, the four-way valve 4 is in the first working state. In this first operating state, the first port 41 of the four-way valve 4 communicates with the second port 42 of the four-way valve 4, the third port 43 of the four-way valve 4 communicates with the fourth port 44 of the four-way valve 4, and the first port 41 and the second port 42 of the four-way valve 4 are isolated from the third port 43 and the fourth port 44 of the four-way valve 4. At this time, the discharge port 31 of the compressor 3 communicates with the condenser 5, and the return port 32 of the compressor 3 communicates with the ice making pipe 2. Therefore, in the first operation state of the four-way valve 4, the refrigerant in the compressor 3 can flow into the condenser 5 through the discharge port 31, and the refrigerant in the ice making tube 2 can be returned to the compressor 3 through the return port 32.

Fig. 9 is a schematic view of the structure of fig. 5 in an ice-shedding mode. Fig. 10 is a schematic structural view of fig. 5 in a defrosting mode.

Referring to fig. 9 and 10, in some embodiments, the four-way valve 4 is in the second operating state. In this second operating state, the first port 41 of the four-way valve 4 communicates with the third port 43 of the four-way valve 4, the second port 42 of the four-way valve 4 communicates with the fourth port 44 of the four-way valve 4, and the first port 41 and the third port 43 of the four-way valve 4 are isolated from the second port 42 and the fourth port 44 of the four-way valve 4. At this time, the discharge port 31 of the compressor 3 communicates with the ice making pipe 2, and the return port 32 of the compressor 3 communicates with the condenser 5. Therefore, in the second operation state of the four-way valve 4, the refrigerant in the compressor 3 can flow into the ice making pipe 2 through the air outlet 31, and the refrigerant in the condenser 5 can return to the compressor 3 through the air return port 32.

Referring to fig. 5, the condenser 5 is disposed in the tank 1. In particular, the condenser 5 may be arranged inside the compressor 3 bin. In the first operating state of the four-way valve 4, the refrigerant in the compressor 3 can flow into the condenser 5 through the exhaust port 31, and at this time, the condenser 5 is used to condense the refrigerant, and the condenser 5 can heat the outside. In the second operation state of the four-way valve 4, the refrigerant in the compressor 3 can flow into the ice making pipe 2 through the air outlet 31, the refrigerant in the ice making pipe 2 can flow into the condenser 5, and the refrigerant in the condenser 5 can return to the compressor 3 through the air return opening 32. In this case, the condenser 5 is used to evaporate and absorb heat from the refrigerant, and the condenser 5 corresponds to one evaporator 7 and can cool the outside.

Referring to fig. 5, the first three-way valve 6 is provided between the condenser 5 and the ice making pipe 2, and also between the condenser 5 and the evaporator 7. The first three-way valve 6 has three ports including a first port, a second port, and a third port. Specifically, a first valve port of the first three-way valve 6 communicates with the condenser 5, and a second valve port of the first three-way valve 6 communicates with the ice making pipe 2. The third port of the first three-way valve 6 communicates with the evaporator 7.

The first three-way valve 6 has a plurality of operating states including a first operating state, a second operating state, and a third operating state.

In a first operating state of the first three-way valve 6, the first three-way valve 6 can communicate the first port with the second port and communicate the first port with the third port at the same time, as shown in fig. 6. At this time, the condenser 5 communicates with the ice making pipe 2 and the evaporator 7, respectively, and the refrigerant in the condenser 5 can flow into the ice making pipe 2 and the evaporator 7, respectively.

In the second operating state of the first three-way valve 6, the first three-way valve 6 can have its first port in communication with the second port alone, while the third port is closed, as shown in fig. 7 and 9. At this time, the condenser 5 is in communication with only the ice making tube 2, and the refrigerant in the condenser 5 can flow into the ice making tube 2, as shown in fig. 7; or the refrigerant in the ice making pipe 2 can flow into the condenser 5 as shown in fig. 9.

In the third operating state of the first three-way valve 6, the first three-way valve 6 can have its first port in communication with the third port alone, while the second port is closed, as shown in fig. 8 and 10. At this time, the condenser 5 communicates only with the condenser 5, and the refrigerant in the condenser 5 can flow into the evaporator 7, as shown in fig. 8; or the refrigerant in the evaporator 7 can flow into the condenser 5 as shown in fig. 10.

Referring to fig. 5, a second three-way valve 8 is provided between the compressor 3 and the ice making pipe 2, and also between the compressor 3 and the evaporator 7. The second three-way valve 8 has three ports including a first port, a second port, and a third port. Specifically, a first valve port of the second three-way valve 8 communicates with the compressor 3, and a second valve port of the second three-way valve 8 communicates with the ice making pipe 2. The third port of the second three-way valve 8 communicates with the evaporator 7.

The second three-way valve 8 has a plurality of operating states including a first operating state, a second operating state, and a third operating state.

In the first operating state of the second three-way valve 8, the second three-way valve 8 can communicate the first port with the second port and communicate the first port with the third port at the same time, as shown in fig. 6. At this time, the ice making pipe 2 and the evaporator 7 communicate with the compressor 3, respectively, and the refrigerants in the ice making pipe 2 and the evaporator 7 can flow into the compressor 3, respectively.

In the second operating state of the second three-way valve 8, the second three-way valve 8 alone may have its first port in communication with the second port while the third port is closed, as shown in the states of fig. 7 and 9. At this time, the compressor 3 is in communication with only the ice making pipe 2, and the refrigerant in the ice making pipe 2 can be returned to the compressor 3, as shown in fig. 7; or the refrigerant in the compressor 3 can flow into the ice making pipe 2 as shown in fig. 9.

In the third operating state of the second three-way valve 8, the second three-way valve 8 can have its first port in communication with the third port alone, while the second port is closed, as shown in the states of fig. 8 and 10. At this time, the compressor 3 communicates only with the evaporator 7, and the refrigerant in the evaporator 7 can flow into the compressor 3, as shown in fig. 8; or the refrigerant in the compressor 3 can flow into the evaporator 7 as shown in fig. 10.

Referring to fig. 2 and 5, as described above, the ice making pipe 2 is disposed in the ice making chamber 11, one end of the ice making pipe 2 is connected to the condenser 5 through the first three-way valve 6, and the other end of the ice making pipe 2 is connected to the compressor 3 through the second three-way valve 8 and the four-way valve 4 in sequence.

Referring to fig. 5, an evaporator 7 is disposed in the casing 1, one end of the evaporator 7 is connected to the condenser 5 through a first three-way valve 6, and the other end of the evaporator 7 is connected to the compressor 3 through a second three-way valve 8 and a four-way valve 4 in sequence. The evaporator 7 is used to provide refrigeration to a refrigeration compartment within the cabinet 1, and in particular, the evaporator 7 may be used to refrigerate the refrigerating compartment 14, the freezing compartment 13 and the warming compartment 15 individually or simultaneously.

It should be noted that in some embodiments, the evaporator 7 may cool the refrigerating chamber 14, the freezing chamber 13, and the temperature-changing chamber 15 through air ducts, respectively. In other embodiments, the evaporator 7 may be provided in plurality, and the plurality of evaporators 7 are arranged in parallel between the first three-way valve 6 and the second three-way valve 8, and refrigerate the refrigerating chamber 14, the freezing chamber 13, and the temperature-changing chamber 15 in one-to-one correspondence.

Referring to fig. 6 to 10, the refrigeration system of the first embodiment of the present invention has five usage modes, which respectively include a first usage mode, a second usage mode, a third usage mode, a fourth usage mode and a fifth usage mode.

Referring to fig. 6, the refrigeration system of the first embodiment is in a first usage mode, which is an ice-making and refrigeration mode, and the refrigeration system has both ice-making and refrigeration functions in this mode. At this time, the four-way valve 4, the first three-way valve 6 and the second three-way valve 8 are all in the first working state. Specifically, the refrigerant in the compressor 3 flows to the condenser 5 through the exhaust port 31 and the four-way valve 4 to be condensed, the refrigerant in the condenser 5 flows to the ice making pipe 2 and the evaporator 7 through the first three-way valve 6 to be cooled, the ice making pipe 2 makes ice in the ice making box 12, and the evaporator 7 provides cooling for the corresponding cooling compartment. The refrigerants in the ice making pipe 2 and the evaporator 7 respectively pass through the second three-way valve 8, the four-way valve 4 and the air return port 32 and return to the compressor 3, and are compressed again, so that the functions of making ice and refrigerating at the same time are realized.

Referring to fig. 7, the refrigeration system of the first embodiment is in a second usage mode, which is an individual ice making mode, and the refrigeration system has an ice making function alone in this mode. At this time, the four-way valve 4 is in the first working state, and the first three-way valve 6 and the second three-way valve 8 are both in the second working state. Specifically, the refrigerant in the compressor 3 flows to the condenser 5 through the exhaust port 31 and the four-way valve 4 to be condensed, the refrigerant in the condenser 5 flows only to the ice making pipe 2 through the first three-way valve 6 to be cooled, the ice making pipe 2 makes ice in the ice making box 12, and the evaporator 7 stops operating. The refrigerant in the ice making pipe 2 passes through the second three-way valve 8, the four-way valve 4 and the return air port 32 in sequence, returns to the compressor 3, is compressed again, and realizes the independent ice making function.

Referring to fig. 8, the refrigeration system of the first embodiment is in a third usage mode, where the third usage mode is an individual refrigeration mode, and the refrigeration system has an individual refrigeration function in this mode. At this time, the four-way valve 4 is in the first working state, and the first three-way valve 6 and the second three-way valve 8 are both in the third working state. Specifically, the refrigerant in the compressor 3 flows to the condenser 5 through the exhaust port 31 and the four-way valve 4 to be condensed, the refrigerant in the condenser 5 flows only to the evaporator 7 through the first three-way valve 6 to be cooled, the ice making pipe 2 stops working, and the evaporator 7 cools the corresponding cooling compartment. The refrigerant in the evaporator 7 passes through the second three-way valve 8, the four-way valve 4 and the return air port 32 in sequence, returns to the compressor 3, is compressed again, and realizes the independent refrigeration function.

Referring to fig. 9, the refrigeration system of the first embodiment is in a fourth use mode, and the fourth use mode is an ice releasing mode, in which the refrigeration system has an ice releasing function. At this time, the four-way valve 4, the first three-way valve 6 and the second three-way valve 8 are all in the second working state. Specifically, the refrigerant in the compressor 3 flows into the ice making pipe 2 only through the air outlet 31, the four-way valve 4 and the second three-way valve 8 to be condensed, at this time, the ice making pipe 2 generates heat to the outside, and the ice cubes in the ice making box 12 can be partially melted and then separated from the ice making box 12, so that the ice making box 12 is de-iced. The refrigerant in the ice making pipe 2 flows to the condenser 5 through the first three-way valve 6 to be cooled, and the refrigerant in the condenser 5 returns to the compressor 3 through the four-way valve 4 and the return air port 32 to be compressed again, thereby realizing the ice removing function.

Referring to fig. 10, the refrigeration system of the first embodiment is in a fifth use mode, and the fifth use mode is a defrosting mode, where the refrigeration system has a defrosting function. At this time, the four-way valve 4 is in the second working state, and both the first three-way valve 6 and the second three-way valve 8 are in the third working state. Specifically, the refrigerant in the compressor 3 flows only to the evaporator 7 through the exhaust port 31, the four-way valve 4, and the second three-way valve 8, and is condensed, and at this time, the evaporator 7 generates heat to the outside, and further, the frost condensed on the evaporator 7 can be melted, and the defrosting function of the evaporator 7 can be realized. The refrigerant in the evaporator 7 flows to the condenser 5 through the first three-way valve 6 to be cooled, and the refrigerant in the condenser 5 returns to the compressor 3 through the four-way valve 4 and the return air port 32 to be compressed again, so that the defrosting function is realized.

It should be noted that in other embodiments, the deicing mode and the defrosting mode may be performed simultaneously. At this time, the four-way valve 4 is in the second working state, and both the first three-way valve 6 and the second three-way valve 8 are in the first working state.

Referring to fig. 5-10, in some embodiments, the refrigeration system further includes a first restriction 21 and a second restriction 71. The first restrictor 21 is provided between the second valve port of the first three-way valve 6 and the ice making pipe 2. The second restrictor 71 is provided between the third port of the first three-way valve 6 and the evaporator 7. The first throttle 21 and the second throttle 71 may be throttle members such as capillary tubes, and both are used for reducing the pressure of the refrigerant. The refrigerant flowing out of the condenser 5 can be throttled and depressurized by the first throttle 21 and then flow to the ice making pipe 2, as shown in fig. 6 and 7. The refrigerant flowing out of the condenser 5 can also be throttled and depressurized by the second throttle 71 and then flow to the evaporator 7, as shown in fig. 6 and 8. The refrigerant flowing out of the ice making tube 2 can be throttled and depressurized by the first throttle 21 and then flows to the condenser 5, as shown in fig. 9. The refrigerant flowing out of the evaporator 7 can be throttled down and depressurized by the second throttle 71 and then flows to the condenser 5 as shown in fig. 10.

Referring to fig. 5-10, in some embodiments, the refrigeration system further includes a dry filter 51. The dry filter 51 is provided between the condenser 5 and the first valve port of the first three-way valve 6. The dry filter 51 is used to dry and filter the refrigerant. The refrigerant flowing between the condenser 5 and the first three-way valve 6 can be both dried and filtered by the dry filter 51.

Referring to fig. 5-10, in some embodiments, the refrigeration system further includes a dew removing tube 52. The dew-removing pipe 52 is provided between the condenser 5 and the drying filter 51. The dew removing pipe 52 can be used for removing dew at the door seal of the refrigerator door body or other positions in the refrigerator. The refrigerant flowing between the condenser 5 and the first three-way valve 6 can be dewed to the outside through the dewing pipe 52.

Referring to fig. 5 to 10, in some embodiments, the refrigeration system further includes an evaporation fan 72, the evaporation fan 72 is disposed in the box body 1, and the evaporation fan 72 is opposite to the evaporator 7 and used for blowing air to the evaporator 7. When the evaporator 7 is in the cooling mode, the evaporation fan 72 is used for conveying the cold air generated by the evaporator 7 to the corresponding cooling compartment, so as to realize the cooling effect of the cooling compartment. When the evaporator 7 is in the defrosting mode, the evaporation fan 72 is used to enhance the air flow around the evaporator 7, thereby being capable of improving the defrosting efficiency of the evaporator 7.

Referring to fig. 5 to 10, in some embodiments, the refrigeration system further includes a condensing fan 53, the condensing fan 53 is disposed in the box body 1, and the condensing fan 53 faces the condenser 5 and is used for blowing air to the condenser 5. When the refrigeration system is in a refrigeration or ice-making mode, the condenser 5 is used for condensing the refrigerant and generating heat to the outside, and the condensing fan 53 is used for dissipating the heat of the condenser 5. When the refrigeration system is in the deicing or defrosting mode, the condenser 5 is used for evaporating the refrigerant and absorbing heat to the outside, and at the moment, the condensing fan 53 is used for disturbing the air around the condenser 5, so that the heat absorption effect of the condenser 5 is improved.

Fig. 11 is a schematic structural view of a refrigeration system of another embodiment of the refrigerator of fig. 1. Fig. 11 shows a structure of a refrigerating system of a second embodiment of the refrigerator of the present invention.

Referring to fig. 11, the refrigeration system of the present embodiment mainly includes a compressor 3, a four-way valve 4, a condenser 5, a third throttle 61, a first three-way valve 6, an ice making pipe 2, an evaporator 7, and a check valve 9. The compressor 3, the four-way valve 4, the condenser 5, the first three-way valve 6, the ice making pipe 2 and the evaporator 7 in the refrigeration system of this embodiment are the same as the compressor 3, the four-way valve 4, the condenser 5, the first three-way valve 6, the ice making pipe 2 and the evaporator 7 in the refrigeration system of the first embodiment in structure, position and function, and are not described again. The refrigeration system of the present embodiment is different from the refrigeration system of the first embodiment in the check valve 9 and the third throttle 61.

Wherein the check valve 9 is provided between the evaporator 7 and the compressor 3, and the refrigeration system of the present embodiment does not have the second three-way valve 8. Specifically, the check valve 9 is provided between the evaporator 7 and the four-way valve 4. The inlet end of the one-way valve 9 is connected with the end of the evaporator 7 far away from the first three-way valve 6. The inlet end of the one-way valve 9 is connected with one end of the ice making pipe 2 far away from the first three-way valve 6, and is further connected with a third valve port 43 of the four-way valve 4. Therefore, the refrigerant in the evaporator 7 can flow toward the third port 43 of the four-way valve 4 already through the check valve 9, and the refrigerant at the third port 43 of the four-way valve 4 cannot flow toward the evaporator 7 through the check valve 9.

Fig. 12 is a schematic configuration diagram of fig. 11 in a simultaneous ice making and cooling mode. Fig. 13 is a schematic structural view of fig. 11 in an individual ice making mode. Fig. 14 is a schematic view of the structure of fig. 11 in a cooling only mode. FIG. 15 is a schematic view of the structure of FIG. 11 in a de-icing mode.

Referring to fig. 12 to 15, the refrigeration system according to the second embodiment of the present invention has four usage modes, including a first usage mode, a second usage mode, a third usage mode and a fourth usage mode.

Referring to fig. 12, the refrigeration system of the second embodiment is in a first usage mode, which is an ice-making and refrigeration mode, and the refrigeration system has both ice-making and refrigeration functions in this mode. At this time, the four-way valve 4 and the first three-way valve 6 are both in the first operating state. Specifically, the refrigerant in the compressor 3 flows to the condenser 5 through the exhaust port 31 and the four-way valve 4 to be condensed, the refrigerant in the condenser 5 flows to the ice making pipe 2 and the evaporator 7 through the first three-way valve 6 to be cooled, the ice making pipe 2 makes ice in the ice making box 12, and the evaporator 7 provides cooling for the corresponding cooling compartment. The refrigerant in the ice making pipe 2 returns to the compressor 3 through the four-way valve 4 and the air return port 32, and the refrigerant in the evaporator 7 returns to the compressor 3 through the check valve 9, the four-way valve 4 and the air return port 32 in sequence, thereby realizing the functions of making ice and refrigerating at the same time.

Referring to fig. 13, the refrigeration system of the second embodiment is in a second usage mode, which is an individual ice making mode, and the refrigeration system has an ice making function alone in this mode. At this time, the four-way valve 4 is in the first operating state, and the first three-way valve 6 is in the second operating state. Specifically, the refrigerant in the compressor 3 flows to the condenser 5 through the exhaust port 31 and the four-way valve 4 to be condensed, the refrigerant in the condenser 5 flows only to the ice making pipe 2 through the first three-way valve 6 to be cooled, the ice making pipe 2 makes ice in the ice making box 12, and the evaporator 7 stops operating. The refrigerant in the ice making pipe 2 passes through the four-way valve 4 and the return port 32 in sequence and returns to the compressor 3 to be compressed again, thereby realizing the independent ice making function.

Referring to fig. 14, the refrigeration system of the second embodiment is in a third usage mode, where the third usage mode is an individual refrigeration mode, and the refrigeration system has an individual refrigeration function in this mode. At this time, the four-way valve 4 is in the first operating state, and the first three-way valve 6 is in the third operating state. Specifically, the refrigerant in the compressor 3 flows to the condenser 5 through the exhaust port 31 and the four-way valve 4 to be condensed, the refrigerant in the condenser 5 flows only to the evaporator 7 through the first three-way valve 6 to be cooled, the ice making pipe 2 stops working, and the evaporator 7 cools the corresponding cooling compartment. The refrigerant in the evaporator 7 returns to the compressor 3 through the check valve 9, the four-way valve 4 and the return air port 32 in sequence, and is compressed again, so that the independent refrigeration function is realized.

Referring to fig. 15, the refrigeration system of the second embodiment is in a fourth use mode, and the fourth use mode is an ice releasing mode, in which the refrigeration system has an ice releasing function. At this time, the four-way valve 4 and the first three-way valve 6 are both in the second operating state. Specifically, the refrigerant in the compressor 3 flows only into the ice making pipe 2 through the air outlet 31 and the four-way valve 4 to be condensed, at this time, the ice making pipe 2 generates heat to the outside, and the ice cubes in the ice making box 12 can be partially melted and then separated from the ice making box 12, so that the ice making function of the ice making box 12 is realized. The refrigerant in the ice making pipe 2 flows to the condenser 5 through the first three-way valve 6 to be cooled, and the refrigerant in the condenser 5 returns to the compressor 3 through the four-way valve 4 and the return air port 32 to be compressed again, thereby realizing the ice removing function.

Referring to fig. 11 to 15, the third flow restrictor 61 is disposed between the first three-way valve 6 and the condenser 5, one end of the third flow restrictor 61 is connected to the first valve port of the first three-way valve 6, and the other end of the third flow restrictor 61 is connected to the condenser 5. The third throttle 61 may employ a throttling member such as a capillary tube for depressurizing and throttling the refrigerant. The refrigerant flowing out of the condenser 5 can be throttled and depressurized by the third throttle 61 and then flow to the first three-way valve 6, as shown in fig. 12 to 14, and then flow to the ice making pipe 2 or the evaporator 7 through the first three-way valve 6. The refrigerant flowing out of the ice making pipe 2 can be throttled and depressurized by the third throttle 61 and then flows to the condenser 5, as shown in fig. 15.

It should be noted that, in some other embodiments, the third restrictor 61 may be replaced by a first restrictor 21 disposed between the ice making pipe 2 and the first three-way valve 6 and a second restrictor 71 disposed between the evaporator 7 and the first three-way valve 6.

Based on the technical scheme, the embodiment of the invention has the following positive effects:

in the refrigerator provided by the embodiment of the invention, the four-way valve 4 is matched with the compressor 3, the condenser 5 and the ice making pipe 2, and the four-way valve 4 is used for reversing to enable the ice making pipe 2 to realize refrigeration or heating. When the ice making box 12 needs to make ice, the four-way valve 4 is communicated with the exhaust port 31 of the compressor 3 and the condenser 5 and is communicated with the ice making pipe 2 and the air return port 32 of the compressor 3, so that the refrigerant sequentially flows through the exhaust port 31 of the compressor 3, the condenser 5, the ice making pipe 2 and the air return port 32 of the compressor 3, the ice making pipe 2 can refrigerate, and the ice making function of the ice making box 12 is realized by the contact of the ice making pipe 2 and the ice making box 12. When the ice making box 12 needs to be deiced, the four-way valve 4 is communicated with the exhaust port 31 of the compressor 3 and the ice making pipe 2 and is communicated with the condenser 5 and the air return port 32 of the compressor 3, so that the refrigerant sequentially flows through the exhaust port 31 of the compressor 3, the ice making pipe 2, the condenser 5 and the air return port 32 of the compressor 3, the high-temperature refrigerant flowing out of the compressor 3 can firstly flow through the ice making pipe 2, the ice making pipe 2 can make heat, and the ice making box 12 is contacted with the ice making pipe 2, so that the deiced function of the ice making box 12 is realized.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. A refrigerator, characterized by comprising:

a case in which an ice making chamber is provided; a compressor and a condenser are arranged in the box body;

the ice making box is arranged in the ice making chamber;

the ice making pipe extends into the ice making chamber and is in contact with the ice making box; the ice making pipe is communicated with the condenser;

a four-way valve having four valve ports respectively connected to an exhaust port of the compressor, a return port of the compressor, the condenser and the ice making pipe;

when the ice making box needs to make ice, two valve ports of the four-way valve are respectively communicated with an exhaust port of the compressor and the condenser, and the other two valve ports of the four-way valve are respectively communicated with the ice making pipe and an air return port of the compressor;

when the ice making box needs to be deiced, two valve ports of the four-way valve are respectively communicated with the air outlet of the compressor and the ice making pipe, and the other two valve ports of the four-way valve are respectively communicated with the condenser and the air return port of the compressor.

2. The refrigerator of claim 1, further comprising a first three-way valve provided in the evaporator;

a refrigerating chamber is arranged in the box body;

the evaporator is arranged in the box body and is used for providing refrigeration for the refrigeration chamber;

the first three-way valve is arranged in the box body, a first valve port of the first three-way valve is connected with the condenser, a second valve port of the first three-way valve is connected with one end of the ice making pipe, and a third valve port of the first three-way valve is connected with one end of the evaporator;

the other end of the evaporator is connected with the other end of the ice making pipe.

3. The refrigerator of claim 2, further comprising a second three-way valve disposed in the cabinet;

the first valve port of the second three-way valve is connected with one end of the ice making pipe, which is far away from the first three-way valve, the second valve port of the second three-way valve is connected with one end of the evaporator, which is far away from the first three-way valve, and the third valve port of the second three-way valve is connected with the valve port of the four-way valve, which is used for being connected with the ice making pipe.

4. The refrigerator of claim 2, further comprising a check valve disposed in the cabinet;

the one-way valve is arranged between the evaporator and the four-way valve, the inlet end of the one-way valve is connected with one end of the evaporator, which is far away from the first three-way valve, and the outlet end of the one-way valve is connected with one end of the ice making pipe, which is far away from the first three-way valve.

5. The refrigerator of claim 2, wherein the refrigerator further comprises a first restriction and a second restriction;

the first throttle is arranged between the first three-way valve and the ice making pipe, one end of the first throttle is connected with a second valve port of the first three-way valve, and the other end of the first throttle is connected with the ice making pipe;

the second throttle is arranged between the first three-way valve and the evaporator, one end of the second throttle is connected with the third valve port of the first three-way valve, and the other end of the second throttle is connected with the evaporator.

6. The refrigerator of claim 2, further comprising a third shutter; the third flow restrictor is arranged between the first three-way valve and the condenser, one end of the third flow restrictor is connected with the first valve port of the first three-way valve, and the other end of the third flow restrictor is connected with the condenser.

7. The refrigerator of claim 2, further comprising a dew-removing duct and a dry filter;

the dew removing pipe is arranged at one end of the condenser, which is far away from the four-way valve;

the drying filter is arranged between the dew removing pipe and the first valve port of the first three-way valve.

8. The refrigerator as claimed in claim 2, further comprising an evaporation fan provided in the cabinet and adapted to transfer cool air generated from the evaporator into the cooling compartment.

9. The refrigerator as claimed in claim 1, further comprising a condensing fan disposed in the cabinet, the condensing fan facing the condenser and blowing air to the condenser.

10. The refrigerator as claimed in claim 1, wherein the ice-making housing is rotatably provided in the ice-making compartment, the ice-making pipe is fixed in the ice-making compartment, and the ice-making housing is rotatable with respect to the ice-making pipe.