CN206695469U - Refrigerator - Google Patents

Abstract

The utility model discloses a refrigerator, comprising: a box body, the box body defines a first refrigerating compartment and a second refrigerating compartment arranged from top to bottom, and the rear side of the first refrigerating compartment is provided with The first air channel in fluid communication with it; the evaporator is arranged in the evaporator cavity of the box body, and the evaporator cavity is located at the rear of the first refrigeration compartment; the fan can introduce the wind from the evaporator into the The first air duct is used to cool the first refrigerating compartment; the refrigerator also includes second air ducts respectively arranged on the left and right sides of the first compartment, and the second air duct communicates with the first cooling compartment. Two refrigerated compartments, the fan can introduce the wind from the evaporator into the second air passage to cool the second refrigerated compartment. The refrigerator of the utility model can not only ensure sufficient temperature in the freezer compartment and the variable temperature room of the refrigerator to the greatest extent, but also ensure that the temperature of the variable temperature room is uniform.

Description

refrigerator

technical field

The utility model relates to the field of household appliances, in particular to a refrigerator.

Background technique

In the prior art, refrigerators generally refer to single-door, double-door, double-temperature, three-door, three-temperature, and cabinet-type multi-door refrigerators, which generally have an independent freezer and outer door of the freezer, so that they can be separated according to different storage temperatures. store. The refrigeration principle of this refrigerator-freezer is divided into direct cooling and air cooling. Direct-cooling refrigeration systems often use solenoid valves to control the flow of refrigerant, and supply refrigerant to the evaporators of each refrigerating (freezing) room to cool each space to the required temperature. Air-cooled refrigerators and freezers need to set up corresponding air ducts to supply air to each space.

In recent years, air-cooled refrigerators have been welcomed by consumers. The principle of air-cooled refrigerators is to use air for cooling. When high-temperature air flows through the built-in evaporator, due to the high air temperature and low evaporator temperature, the two will directly produce The heat exchange reduces the temperature of the air. At the same time, cold air is blown into the refrigerator. Air-cooled refrigerators use this continuous cycle to reduce the temperature of the refrigerator. However, in the prior art, the air duct structure of the freezer compartment of the air-cooled refrigerator is single, so it is difficult to ensure the air volume of the freezer compartment and the variable room, and the temperature of the freezer compartment is also difficult to achieve uniformity. Therefore, how to maximize the temperature of the refrigerator's refrigerating chamber and the temperature-changing chamber, and at the same time ensure that the temperature of the freezing chamber is even, has become a major problem for those skilled in the art.

At present, there is a bottleneck problem in the temperature control technology of air-cooled refrigerators on the market: the cold air from the evaporator usually enters the freezer directly, and it is difficult to effectively and controllably guide it to the bottom of the refrigerator body, resulting in the bottom compartment can only be used as a freezer. Indoor use, and the temperature cannot be adjusted.

Contents of the invention

The purpose of the utility model is to provide a refrigerator, which can not only ensure the sufficient temperature of the refrigerator freezer and variable room, but also ensure that the temperature of the variable room is uniform, and can save electricity at the same time.

In order to achieve the purpose of the above utility model, the utility model provides a refrigerator, comprising: a box, the box defines a first refrigeration compartment and a second refrigeration compartment arranged from top to bottom, the first refrigeration compartment The rear side of the chamber is provided with a first air channel in fluid communication with it; the evaporator is arranged in the evaporator chamber of the box body, and the evaporator chamber is located at the rear of the first refrigeration compartment; the fan can automatically The wind from the evaporator is introduced into the first air duct to cool the first refrigeration compartment; the refrigerator also includes second air ducts respectively arranged on the left and right sides of the first compartment, and the second The air duct communicates with the second refrigerated compartment, and the fan can introduce the wind from the evaporator into the second air duct to cool the second refrigerated compartment.

As a further improvement of an embodiment of the present invention, the refrigerator further includes a third refrigerating compartment arranged on the upper part of the first refrigerating compartment, the first refrigerating compartment is configured as a freezing compartment, and the second refrigerating compartment The compartment is configured as a temperature-changing room, and the third refrigerated compartment is configured as a cold room.

As a further improvement of an embodiment of the present utility model, a first air return port is provided at the bottom of the freezer, a second air return port is provided at the bottom of the variable room, and the first air return port and the second air return port All communicate with the evaporator cavity.

As a further improvement of an embodiment of the present utility model, dampers are provided in the second air passage, and the dampers include two, respectively located in the second air passages on the left and right sides. Describe the air volume of the second refrigerated compartment.

As a further improvement of an embodiment of the present utility model, the second refrigerated compartment is provided with an air inlet connected to the second air duct, and at least two air inlets are provided, which are respectively located inside the two dampers. .

As a further improvement of an embodiment of the present utility model, the first refrigerating compartment is provided with air guide ribs, and the air guide ribs include two, respectively corresponding to the second air ducts on both sides, and the two air guide ribs The ribs can guide the wind from the blower into the second air duct.

As a further improvement of an embodiment of the present utility model, the first refrigerating compartment and the second refrigerating compartment are arranged at intervals, and the second air passage includes a first section located in the first refrigerating compartment, connected to the first refrigerating compartment and the second segment between the second refrigerated compartment and the third segment located in the second refrigerated compartment.

As a further improvement of an embodiment of the present utility model, the second section of the second air duct is arranged obliquely toward the inner side of the refrigerator relative to the first section.

As a further improvement of an embodiment of the present utility model, the second air duct is spaced apart from the evaporator chamber.

As a further improvement of an embodiment of the present utility model, the refrigerator further includes a compressor, and the compressor is arranged at the rear bottom of the variable temperature chamber.

Compared with the prior art, the beneficial effect of the utility model is that: the refrigerator of the utility model arranges the temperature changing room in the lower part of the freezing room, and the temperature range of the changing room can be 5~-20°C, and the freezing room and the changing room share one The evaporator is used for cooling, and the evaporator is completely separated from the variable room. By setting the second air ducts on the left and right sides of the freezer, the variable temperature room can meet the air volume requirements and meet the full variable temperature function. At the same time, by reasonably setting the position of the second air duct and the air inlet of the variable greenhouse, the temperature of the variable greenhouse is guaranteed to be uniform, and at the same time, electricity can be saved.

Description of drawings

Fig. 1 is a partial cross-sectional schematic diagram of a refrigerator in a preferred embodiment of the present invention.

detailed description

The utility model will be described in detail below in conjunction with the specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present utility model, and the structural, method, or functional changes made by those skilled in the art according to these embodiments are all included in the protection scope of the present utility model.

As shown in Figure 1, the preferred embodiment of the present utility model discloses a refrigerator, which includes a box body, and the box body defines at least two refrigeration compartments, which are respectively a freezing compartment 20 and a variable temperature compartment 30 , and the freezing chamber 20 and the temperature-changing chamber 30 are arranged from top to bottom. In this embodiment, the direction in which the freezing chamber 20 and the changing chamber 30 are arranged from top to bottom is defined as the height direction or the up and down direction of the refrigerator, and the direction in which the user opens the refrigerator facing the refrigerator door and facing away from the refrigerator door is defined as the front and rear directions of the refrigerator. What is perpendicular to the height direction and the front-back direction is defined as the width direction or the left-right direction of the refrigerator. Preferably, the refrigerator may further include a refrigerating chamber (not shown in the figure), and the refrigerating chamber is located on the upper part of the freezing chamber 20 . The refrigerator also has an evaporator (not shown) and a fan 51. The evaporator is arranged in the evaporator chamber at the rear of the freezer compartment 20 of the box body. The fan 51 is arranged on the top of the evaporator in the evaporator chamber. device, the heating device is preferably a heating wire. A defrosting sensor is also arranged on the evaporator for detecting the temperature of the evaporator, and a freezing sensor is arranged in the freezing chamber 20 for detecting the temperature of the freezing chamber. The evaporator may be any known evaporator, such as one of fin evaporator, wire tube evaporator, blown type evaporator and plate tube evaporator. The refrigerator also includes a compressor (not shown in the figure), and the compressor is arranged at the rear bottom of the variable temperature chamber. In this embodiment, the refrigerator constitutes a compression refrigeration cycle system through a compressor, a condenser (not shown) and an evaporator, and the fan 51 introduces cold air from the evaporator into the refrigerator compartment, the freezer compartment 20 and the temperature-changing compartment. When working, the compressor promotes the circulation of the refrigerant, and the refrigerant entering the evaporator absorbs heat and evaporates, and the fan 51 is sent to the corresponding refrigeration compartment through the air duct.

In this embodiment, a first air passage, ie a freezing air inlet passage, is provided at the rear of the freezing chamber 20 , and the fan 51 introduces the cold air from the evaporator into the freezing chamber 20 from the first air passage. Wherein, the cold air entering the freezing chamber is circulated to the evaporator through the return air outlet at the bottom of the freezing chamber after being circulated in the freezing chamber 20 .

Both sides of the freezing chamber are also provided with a second air duct 22, and the second air duct 22 and the first air duct are arranged side by side along the left and right direction of the refrigerator. , preferably, the two second air ducts 22 are arranged symmetrically with respect to the middle of the refrigerator. The second air passage 22 is arranged between the fan 51 and the variable room 30 , and the fan 51 can introduce the cold air from the evaporator into the variable room 30 through the second air channel 22 . By arranging the second air duct 22 on the left and right sides of the freezer compartment 20, the cold air is sent to the temperature-changing compartment. The way of supplying air on both sides is to ensure the 30% air volume requirement of the variable room and achieve the function of full variable temperature. Certainly, the second air channel 22 may also be arranged at a distance from the evaporator cavity, or at a distance from the first air channel, as long as the fan 51 can introduce the cold air from the evaporator.

Further, two left and right dampers 31 are set in the second air channel 22 of the variable chamber 30 , and the temperature of the variable chamber 30 can be adjusted by controlling the opening degree of the two dampers 31 to adjust the air volume entering the variable chamber 30 . By arranging two dampers 22, it can not only ensure that the dampers have a sufficient opening area on the path of air supply, but also can adjust the air volume when the temperature changes. The variable chamber 30 is provided with an air inlet (not shown) communicating with the second air duct 22 , and at least two air inlets are provided, which are respectively located inside the two dampers 22 . Such setting can ensure that the air intake of the variable room 30 is more uniform, and ensure that the temperature of each part of the variable room 30 is consistent.

In addition, the freezing chamber 20 is provided with an air guiding rib 25, and the air guiding rib 25 includes two, respectively corresponding to the second air passage 22 on both sides. The two air guiding ribs 25 can guide the wind from the fan 51 into the second air passage. twenty two. The air guiding rib is divided into two sections connected to each other. The upper section is used to import the wind from the fan 51 into the cold room, and the lower section is used to import the wind from the fan 51 into the variable room 30. The inclination of the upper section is smaller than that of the lower section. Therefore, the air volume entering the second air duct 22 is greater than the air volume entering the refrigerator compartment.

The second air passage 22 is independently arranged in the refrigerator, wherein the freezing chamber 20 and the temperature changing chamber 30 are arranged at intervals, and the second air passage 22 includes a first section 221 located in the freezing chamber 20, connected between the freezing chamber 20 and the temperature changing chamber 30 The second section 222 of the second section 222 and the third section 223 located in the variable room 30, the first section 221 is generally vertically arranged, and the second section 222 is arranged obliquely toward the inside of the refrigerator relative to the first section 221, preferably along the front and rear directions of the refrigerator and Both the left and right directions are inclined inwardly.

The above-mentioned refrigerator arranges the temperature-changing room 30 at the bottom of the freezing room 20. The temperature range of the temperature-changing room 30 can be 5~-20°C. By arranging the second air passages 22 on the left and right sides of the freezing chamber, the variable temperature chamber 30 can meet the air volume requirement and satisfy the function of full variable temperature. At the same time, by reasonably setting the positions of the second air duct 22 and the air inlet of the variable room, the temperature of the variable room can be guaranteed to be uniform, and electricity can be saved at the same time.

It should be understood that although this description is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the description is only for clarity, and those skilled in the art should take the description as a whole, and each The technical solutions in the embodiments can also be properly combined to form other embodiments that can be understood by those skilled in the art.

The series of detailed descriptions listed above are only specific descriptions for the feasible implementation modes of the present utility model, and they are not used to limit the protection scope of the present utility model. Embodiments or modifications should be included within the protection scope of the present utility model.

Claims (10)

1. a kind of refrigerator, including：

Casing, the casing define the first refrigeration compartment and the second refrigeration compartment set from top to bottom, first refrigeration The first air channel in flow communication is provided with rear side of compartment；

Evaporator, it is arranged in the evaporator chamber of casing, the evaporator chamber is located at the rear portion of first refrigeration compartment；

Blower fan, the wind of flash-pot can be introduced first air channel to freeze to first refrigeration compartment；

Characterized in that, the refrigerator also includes being respectively arranged at the second air channel at left and right sides of first compartment, described the Two air channels connect second refrigeration compartment, and the blower fan can introduce the wind of flash-pot in second air channel with to second Refrigeration compartment is freezed.

2. refrigerator according to claim 1, it is characterised in that the refrigerator also includes being arranged at first refrigeration compartment 3rd refrigeration compartment on top, first refrigeration compartment are configured to refrigerating chamber, and second refrigeration compartment is configured to temperature-changing chamber, 3rd refrigeration compartment is configured to refrigerating chamber.

3. refrigerator according to claim 2, it is characterised in that the bottom of the refrigerating chamber is provided with the first return air inlet, described The bottom of temperature-changing chamber is provided with the second return air inlet, and first return air inlet and second return air inlet connect with the evaporator chamber It is logical.

4. refrigerator according to claim 1, it is characterised in that air door is set in second air channel, and the air door includes Two, respectively in the second air channel of the left and right sides, adjusted by controlling the opening degree of two air doors into described the The air quantity of two refrigeration compartments.

5. refrigerator according to claim 4, it is characterised in that second refrigeration compartment is provided with to be connected with second air channel Logical air inlet, the air inlet is at least provided with two, respectively positioned at the inner side of described two air doors.

6. refrigerator according to claim 1, it is characterised in that first refrigeration compartment is provided with wind-guiding muscle, described to lead Wind muscle includes two, and the second air channel for corresponding to both sides respectively is set, and described two wind-guiding muscle can will import institute from the wind of blower fan State the second air channel.

7. refrigerator according to claim 1, it is characterised in that the first refrigeration compartment and the second refrigeration compartment are arranged at intervals, Second air channel includes the first paragraph positioned at the first refrigeration compartment, is connected between the first refrigeration compartment and the second refrigeration compartment Second segment and the 3rd section positioned at the second refrigeration compartment.

8. refrigerator according to claim 7, it is characterised in that the second segment in second air channel is relative to the first paragraph It is obliquely installed on the inside of towards refrigerator.

9. refrigerator according to claim 1, it is characterised in that second air channel is arranged at intervals with the evaporator chamber.

10. refrigerator according to claim 1, it is characterised in that the refrigerator also includes compressor, and the compressor is set In the bottom rear of the temperature-changing chamber.