CN207247666U - A kind of energy-saving refrigerator - Google Patents

Abstract

The utility model discloses an energy-saving refrigerator, which comprises a refrigerator body and a door body arranged on the front side of the refrigerator body. The refrigerator body has at least one refrigerator compartment for storing items. A curtain forming mechanism, when the door of the refrigerator is opened, the air curtain forming mechanism forms an air curtain at a position close to the door inside the refrigerator compartment to isolate the cold air inside the refrigerator compartment from the outside air; The air curtain formed near the door body of the compartment can avoid the direct contact between the refrigerator compartment and the hot air outside the compartment, reduce the heat exchange between the two, thereby maintaining the stability of the temperature of the storage compartment and avoiding the shortfall of the items in the refrigerator compartment. The temperature changes over time, which affects the storage quality, and also reduces the unnecessary power consumption caused by the temperature rise of the room caused by opening the door to a certain extent.

Description

An energy-saving refrigerator

technical field

The utility model relates to the field of household appliances, in particular to an energy-saving refrigerator.

Background technique

Refrigerators have become an indispensable household appliance in human life, which brings great convenience to human daily life. For refrigerators, high-quality storage effects and low energy consumption have always been the concerns of users. Refrigerator compartments Maintaining a stable temperature environment inside for a long time is beneficial to the storage quality, cycle and power consumption reduction of items. In the actual use of the refrigerator, it is unavoidable to open the door to take items. Referring to Figure 1, it shows a schematic structural diagram of a traditional air-cooled refrigerator. Negative pressure will be formed inside the room, and the hot air outside the compartment will enter the refrigerator compartment after the door is opened, causing fluctuations in the temperature and humidity in the compartment; especially when the user keeps the refrigerator door open for a long time, it will affect the interior of the refrigerator compartment. The influence of temperature and humidity is more severe. The fluctuation of temperature and humidity inside the refrigerator compartment is not only not conducive to the long-term storage of items, but also increases the power consumption of the refrigerator.

In view of this, it is necessary to provide an improved refrigerator to solve the above problems.

Utility model content

The utility model aims to at least solve one of the technical problems existing in the prior art. In order to achieve the above utility model purpose, the utility model provides an energy-saving refrigerator, and its specific design method is as follows:

An energy-saving refrigerator, comprising a refrigerator body and a door disposed on the front side of the refrigerator body, the refrigerator body has at least one refrigerator compartment for storing items, wherein the refrigerator also has an air curtain forming mechanism, the When the door body of the refrigerator is opened, the air curtain forming mechanism forms an air curtain that isolates the cold air inside the refrigerator compartment from the outside air at a position close to the door body inside the refrigerator compartment; the air curtain forming mechanism It includes a refrigeration circulation air duct arranged on the rear wall of the refrigerator compartment for providing cold air, and an air curtain outlet air duct and an air curtain return air duct arranged on two opposite walls of the refrigerator compartment; One end of the air curtain air outlet communicates with the refrigeration cycle air duct through the air curtain air inlet, and the other end of the air curtain air outlet air duct is provided with an air curtain air outlet communicating with the interior of the refrigerator compartment. The curtain air outlet is set close to the position of the door body; the two ends of the air curtain return air duct are provided with a first air curtain return air outlet and a second air curtain return air outlet communicating with the inside of the refrigerator compartment. An air curtain air return port is arranged opposite to the air curtain air outlet; the refrigeration cycle air duct communicates with the inside of the refrigerator compartment with an air inlet, and the second air curtain return air port is arranged close to the air inlet; A fan corresponding to the air inlet of the air curtain is arranged in the refrigeration cycle air duct.

Further, the refrigerating circulation air duct is also provided with an air outlet communicating with the inside of the refrigerator compartment, and the air outlet is arranged close to the air inlet of the air curtain.

Further, the air outlet is provided with a damper for controlling the opening and closing of the air outlet.

Further, the air curtain air outlet duct is arranged on the top wall of the refrigerator compartment, and the air curtain return air duct is arranged on the bottom wall of the refrigerator compartment.

Further, the air curtain air outlet and the first air curtain return air outlet are both configured as a long and narrow opening array structure, and the long and narrow opening array structure has at least one long and narrow opening.

Further, the elongated opening array structure includes two or three elongated openings arranged in parallel, and the length of the elongated openings is adapted to the width of the refrigerator compartment.

Further, the air curtain air outlet and the first air curtain return air outlet are formed by several small opening arrays, and the direction of the several small opening arrays is consistent with the width direction of the refrigerator compartment.

Further, the second air curtain return air outlet includes at least one opening connecting the end of the air curtain return air duct with the interior of the refrigerator compartment.

Further, an evaporator for forming cold air is arranged in the refrigeration cycle air duct.

The beneficial effect of the utility model is: when the door of the refrigerator is opened, the air curtain formed near the door of the refrigerator compartment can avoid direct contact between the refrigerator compartment and the hot air outside the compartment, and reduce the heat exchange between the two. In this way, the temperature of the storage compartment is kept stable, avoiding short-term temperature changes of the items in the refrigerator compartment that affect the storage quality, and to a certain extent reduces the unnecessary power consumption caused by the temperature rise of the compartment caused by opening the door.

Description of drawings

Fig. 1 is the structural representation of prior art air-cooled refrigerator;

Fig. 2 is a schematic diagram of the operating state of a refrigerator door of the present invention when it is opened;

Fig. 3 is a schematic diagram of the operating state of the refrigerator involved in Fig. 2 when the door body is closed;

Fig. 4 is a kind of structural representation of air curtain air outlet;

Fig. 5 is a schematic structural view of the air return port of the first air curtain.

Detailed ways

The utility model will be described in detail below in conjunction with the embodiments shown in the accompanying drawings. Please refer to FIG. 2 to FIG. 5 , which show a preferred embodiment of the utility model.

As shown in Fig. 2 and Fig. 3, the energy-saving refrigerator involved in the utility model includes a refrigerator body and a door body 2 arranged on the front side of the refrigerator body. The refrigerator body has at least one refrigerator compartment 1 for storing items. Only one refrigerator compartment 1 of the refrigerator is shown, and in a specific implementation process, the refrigerator may have multiple refrigerator compartments. The refrigerator of the present utility model also has an air curtain forming mechanism, as shown in Fig. 2, when the door body 2 of the refrigerator is opened (the door body is not shown), the air curtain forming mechanism forms an isolation at the position close to the door body 2 inside the refrigerator compartment 1 The air curtain between the cold air inside the refrigerator compartment and the outside air.

The air curtain formed near the door of the refrigerator compartment can avoid the direct contact between the refrigerator compartment and the hot air outside the compartment, and reduce the heat exchange between the two, so as to maintain the temperature stability of the storage compartment and prevent the items in the refrigerator compartment from Short-term temperature changes will affect the storage quality. When taking out the items inside the refrigerator compartment, it can also reduce the introduction of outdoor hot air. This will reduce the unnecessary power consumption caused by the temperature rise of the compartment caused by opening the door to a certain extent. quantity.

Referring to Fig. 2 and Fig. 3, the air curtain forming mechanism of the present invention includes a refrigeration circulation air duct 11 arranged on the rear wall of the refrigerator compartment 1 for providing cold air, and air curtains arranged on two opposite walls of the refrigerator compartment 1. Curtain outlet air duct 12 and air curtain return air duct (not marked in the figure); As shown in the figure, in this embodiment, the air curtain outlet air channel 12 is arranged on the top wall 13 of the refrigerator compartment 1, and the air curtain return air channel is arranged on the bottom wall 14 of the refrigerator compartment 1, forming the air curtain. The cold air is blown from the top wall 13 to the bottom wall 14 . Of course, in some other embodiments, the two opposite walls may also be opposite side walls of the refrigerator compartment (not shown in the figure).

In this embodiment, one end of the air curtain air outlet duct 12 communicates with the refrigeration cycle air duct 11 through the air curtain air inlet 121, and the other end of the air curtain air outlet air duct 12 is provided with an air curtain communicating with the interior of the refrigerator compartment 1. The air outlet 122, the air curtain air outlet 122 is set near the position of the door body 2. Both ends of the air curtain return air duct are provided with a first air curtain return air outlet 131 and a second air curtain return air outlet 132 which communicate with the interior of the refrigerator compartment 1, and the first air curtain return air outlet 131 is set opposite to the air curtain air outlet 122; The air inlet 112 is arranged in the air inlet 112 that communicates with the refrigerator compartment 1 in the refrigeration circulation air passage 11, and the second air curtain return air outlet 132 is arranged close to the air inlet 112; the fan 3 corresponding to the air curtain air inlet 121 is arranged in the refrigeration circulation air passage 11 .

When the refrigerator door 2 is opened, as shown in the direction of the cold air flow in Figure 2 (that is, the direction of the arrow), the fan 3 sends the cold air in the refrigeration circulation duct 11 into the air curtain outlet duct 12 and blows it out from the air curtain outlet 122 , the cold air blown out by the air curtain air outlet 122 enters the first air curtain return air outlet 131 and forms a cold air flow air curtain on the front side inside the refrigerator compartment, and the cold air entering the first air curtain return air outlet 131 is then returned by the second air curtain return air outlet 132 Introduced into the refrigerator compartment 1 , the cold air inside the refrigerator compartment 1 flows back into the refrigeration circulation air duct 11 through the air inlet 112 .

The refrigerator involved in the utility model is an air-cooled refrigerator, and the refrigeration circulation air duct 11 is also provided with an air outlet 111 communicating with the interior of the refrigerator compartment 1, and the air outlet 111 is arranged near the air curtain air inlet 121. The air outlet 111 is provided with a damper 110 for controlling the opening and closing of the air outlet 111 . Referring to Fig. 3, when the door body 2 of the present invention is closed and the interior of the refrigerator compartment 1 is cooled, the air door 110 is opened, and the fan 3 blows the cold air in the refrigeration circulation air duct 11 into the air outlet 111 and the air curtain air inlet 121 simultaneously. Entering the interior of the refrigerator compartment 1, the cold air inside the refrigerator compartment 1 flows back into the refrigeration circulation air duct 11 through the air inlet 112; that is, when the door body 2 is closed, the air curtain forming mechanism of the refrigerator can be used for the circulation inside the refrigerator Refrigeration works to promote an even distribution of temperature inside the refrigerator.

When the door body is opened, the air door 110 is closed, and the cold air in the refrigeration cycle air duct 11 enters the air curtain outlet air duct 12 through the air curtain air inlet 121, and directly enters the interior of the refrigerator compartment 1 without passing through the air outlet 111. This setting can Ensure the strength of the cold air curtain and effectively isolate the external hot air.

Of course, as some other embodiments of the present invention, the refrigerator can also be a direct cooling refrigerator, that is, no air outlet 111 is provided, and the air curtain forming mechanism only provides an air curtain when the door body 1 is opened.

In order to make the air curtain form a better isolation effect on the front side of the refrigerator compartment 1 (that is, the side close to the door body 2), the air curtain air outlet 122 and the first air curtain return air outlet 131 in the utility model are both set to be long and narrow. type opening array structure, and the narrow and long opening array structure has at least one long and narrow opening. Among them, the elongated opening array structure preferably includes two or more elongated openings arranged in parallel, which is equivalent to forming multiple air curtains on the front side of the refrigerator compartment 1, and the length of the elongated openings is the same as that of the refrigerator compartment 1. to match the width.

Referring to Figure 4, it shows a schematic diagram of a specific embodiment of the air curtain air outlet 122. In this embodiment, the long and narrow opening array structure includes three long and narrow openings 1221, 1222, and 1223 arranged in parallel, and three long and narrow openings The ends of 1221, 1222, 1223 are all set close to the edge of the top wall (or abut against the edge of the top wall). In this embodiment, the specific structure of the first air curtain air return port 131 may refer to the structure of the air curtain air outlet 122 .

In another embodiment of the present invention, the air curtain air outlet 122 and the first air curtain return air outlet 131 are formed by several small opening arrays, and the direction of the several small opening arrays is consistent with the width direction of the refrigerator compartment 1 . Referring to Fig. 5, it shows a specific structure of the first air curtain air return port 131, which is formed by arraying three circular small openings along the width direction of the refrigerator compartment 1. In this embodiment, the small openings The array spacing generally has a small size, so as to ensure the isolation effect of the air curtain.

Of course, it can be understood that the air curtain air outlet 122 and the first air curtain return air opening 131 of the present invention can also be in other forms of openings.

In addition, as shown in Fig. 2 and Fig. 3, the second air curtain return air outlet 132 in this embodiment has two openings connecting the end of the air curtain return air duct and the inside of the refrigerator compartment 1; in some other embodiments, The second air curtain return air outlet 132 has other openings connecting the end of the air curtain return air duct and the interior of the refrigerator compartment 1, which can be set according to design requirements.

Considering the specific structure of the refrigerator, the air curtain outlet air duct 12 and the air curtain return air duct in the utility model are all set to a flat shape; the evaporator 4 for forming cold air is arranged in the refrigeration circulation air duct 11, and its The bottom is provided with a defrosting water outlet 40 for the defrosting water of the evaporator 4 to flow out; when the refrigerator door 2 is opened or closed, the fan 3 can operate with different powers to realize the delivery of different cold air flows. Of course, the fan 3 can Run with the same power.

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 (9)

1. a kind of energy-saving refrigerator, including refrigerator body and the door body that is arranged on front side of the refrigerator body（2）, the refrigerator body At least there is a refrigerator compartment for being used to store article（1）, it is characterised in that the refrigerator also has air curtain formation mechanism, The door body of the refrigerator（2）During unlatching, the air curtain formation mechanism is in the refrigerator compartment（1）The internal close door body（2） Formed at position and isolate the air curtain of cold air and extraneous air inside the refrigerator compartment；The air curtain formation mechanism includes being arranged at The refrigerator compartment（1）It is used for the kind of refrigeration cycle air passage that cold air is provided on rear wall（11）And it is arranged at the refrigerator compartment（1） Air curtain exhaust air flue in two opposite walls（12）And air curtain return airway；The air curtain exhaust air flue（12）One end by air curtain into Air port（121）With the kind of refrigeration cycle air passage（11）Connection, the air curtain exhaust air flue（12）The other end be provided with it is described Refrigerator compartment（1）The air curtain air outlet of inside connection（122）, the air curtain air outlet（122）Close to the door body（2）At position Set；The air curtain return airway is provided at both ends with and the refrigerator compartment（1）First air curtain return air inlet of inside connection（131） And the second air curtain return air inlet（132）, the first air curtain return air inlet（131）With the air curtain air outlet（122）It is oppositely arranged；Institute State kind of refrigeration cycle air passage（11）With the refrigerator compartment（1）Inside connection is provided with air inlet（112）, second air curtain time Air port（132）Close to the air inlet（112）Set；The kind of refrigeration cycle air passage（11）Inside it is provided with and the air curtain air inlet （121）Corresponding wind turbine（3）.

2. energy-saving refrigerator according to claim 1, it is characterised in that the kind of refrigeration cycle air passage（11）It is additionally provided with and institute State refrigerator compartment（1）The air outlet of inside connection（111）, the air outlet（111）Close to the air curtain air inlet（121）If Put.

3. energy-saving refrigerator according to claim 2, it is characterised in that the air outlet（111）On be provided with described in control Air outlet（111）The air door of opening and closing（110）.

4. energy-saving refrigerator according to claim 1, it is characterised in that the air curtain exhaust air flue（12）It is arranged at the ice Case compartment（1）Roof（13）, the air curtain return airway is arranged at the refrigerator compartment（1）Bottom wall（14）.

5. energy-saving refrigerator according to claim 1, it is characterised in that the air curtain air outlet（122）With first wind Curtain return air inlet（131）Sleeve configuration aperture array structure is disposed as, the sleeve configuration aperture array structure is at least narrow with one Elongated opening.

6. energy-saving refrigerator according to claim 5, it is characterised in that the sleeve configuration aperture array structure include two or Three sleeve configuration openings being arranged in parallel, length and the refrigerator compartment of the sleeve configuration opening（1）Width be adapted.

7. energy-saving refrigerator according to claim 1, it is characterised in that the air curtain air outlet（122）With first wind Curtain return air inlet（131）Formed by some small aperture arrays, direction and the refrigerator compartment of some small aperture arrays（1） Width it is consistent.

8. energy-saving refrigerator according to claim 1, it is characterised in that the second air curtain return air inlet（132）Include at least One connection air curtain return airway end and the refrigerator compartment（1）Internal opening.

9. energy-saving refrigerator according to claim 1, it is characterised in that the kind of refrigeration cycle air passage（11）Inside it is provided with for shape Into the evaporator of cold air（4）.