CN204359026U - Wind cooling refrigerator - Google Patents

Abstract

The utility model provides an air-cooled refrigerator, the air-cooled refrigerator includes a freezer and a refrigerator laterally adjacent to the freezer, and further the air-cooled refrigerator also includes: a drying room with an independent closed space, which is arranged in The refrigerating room; the drying room has an air inlet for the air cooled by the cold source to flow in and a return air outlet for the displaced air to flow out, wherein the air inlet and the return air are opened and closed at the same time. The air-cooled refrigerator of the utility model is equipped with an independently sealed drying room inside the refrigerating room. The air exchange and sealing of the drying room are realized through the simultaneously opened and closed air inlet and air return port, which provides a dry and stable storage environment for the drying room. The foundation makes the drying room have low relative humidity and low temperature, which is suitable for the preservation of dry goods and ingredients, which can not only prevent the dry goods from being damp, but also ensure the nutritional content of the dry goods.

Description

air cooled refrigerator

technical field

The utility model relates to the technical field of refrigerators, in particular to an air-cooled refrigerator.

Background technique

Along with consumers' expectations for a healthier lifestyle, the proportion of dry food ingredients such as wolfberry, tea, shiitake mushrooms, longan, and cordyceps sinensis is gradually increasing in the diet structure. However, these dry food ingredients are very difficult to store. If they are stored at room temperature, under the condition of poor ventilation, they will easily change color and deteriorate after a long time of storage, resulting in the loss of nutrients; The impact of food leads to dampness, mold and deterioration. How to store dry food ingredients for a long time is a problem to be solved.

In order to solve this problem, in the prior art, a room with adjustable humidity is added on the basis of the refrigeration function of the refrigerator, for example, an independent closed space is formed in the refrigerating room of the refrigerator as a drying room. However, no effective solution has been proposed in the prior art on how to realize the smooth air exchange of the drying room, so as to maintain a dry and stable storage environment in the drying room.

Utility model content

One purpose of the present utility model is to provide an air-cooled refrigerator with a drying chamber to provide an environment suitable for long-term preservation of dry goods and ingredients in view of the above-mentioned defects in the prior art.

A further purpose of the utility model is to improve the ventilation effect of the dry storage device, so as to ensure a dry and stable storage environment.

In order to achieve the above object, the utility model provides an air-cooled refrigerator, which includes a freezer and a refrigerator laterally adjacent to the freezer, and further, the air-cooled refrigerator also includes: an independent enclosed space The drying room is set in the refrigerator; the drying room has an air inlet for the air cooled by the cold source to flow in and a return air outlet for the displaced air to flow out, wherein the air inlet and the return air outlet are opened and closed at the same time.

Optionally, the drying chamber is controllably communicated with the freezing chamber through the air inlet.

Optionally, the drying room communicates with the refrigerating room through the air return port.

Optionally, the air inlet is provided with a first electronically controlled damper, which is opened according to the start signal triggering the air change in the drying chamber and closed after the air change is completed.

Optionally, a second electronically controlled damper is provided at the air return port, which is opened and closed synchronously with the first electrically controlled damper.

Optionally, a one-way sheet is provided at the air return port, and the one-way sheet covers the return air port under the action of gravity and opens when the air pressure in the drying chamber overcomes the gravity.

Optionally, the drying room consists of a drawer-type airtight container comprising:

a drawer body for holding items to be stored; and

The female box body has a back panel and a top panel, a bottom panel and two opposite lateral side panels combined with the back panel at respective rear ends to form a cavity barrel that accommodates the drawer body in a drawable manner.

Optionally, the bottom plate of the female base box of the drying chamber is disposed adjacent to or rests on the bottom surface of the inner space of the refrigerating chamber.

Optionally, the air inlet is arranged on the lateral side plate of the female base box adjacent to the side wall of the freezing chamber.

Optionally, the return air outlet is arranged on the back plate of the drying room.

The air-cooled refrigerator of the utility model is equipped with an independently sealed drying room inside the refrigerating room, and the air exchange and sealing of the drying room are realized by simultaneously opening and closing the air inlet and the return air port, providing a dry and stable storage environment for the drying room. Base.

Furthermore, the utility model introduces the cooling airflow in the freezing chamber into the drying chamber, without the need of setting up a separate air duct for the drying chamber, and by reasonably arranging the position of the drying chamber, the drying chamber can have a lower relative humidity and a lower temperature. Temperature, this kind of low-temperature and low-humidity environment is especially suitable for the preservation of dry food ingredients, which can not only prevent dry goods from getting wet, but also ensure the nutritional content of dry goods.

According to the following detailed description of specific embodiments of the utility model in conjunction with the accompanying drawings, those skilled in the art will be more aware of the above and other objectives, advantages and features of the utility model.

Description of drawings

Hereinafter, some specific embodiments of the present utility model will be described in detail in an exemplary rather than restrictive manner with reference to the accompanying drawings. The same reference numerals in the drawings designate the same or similar parts or parts. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the attached picture:

Fig. 1 is a schematic front view of an air-cooled refrigerator according to an embodiment of the present invention;

Fig. 2 is a schematic sectional view taken along line A-A in Fig. 1;

Fig. 3 is a schematic partial enlarged view of place C shown in Fig. 2;

Fig. 4 is a schematic diagram of the drying principle of the drying chamber realized by the air-cooled refrigerator of the present invention;

Fig. 5 is a schematic air duct system diagram when the air inlet damper of the drying chamber of the air-cooled refrigerator is closed according to an embodiment of the present invention;

Fig. 6 is a schematic air duct system diagram when the air inlet damper of the drying chamber of the air-cooled refrigerator is opened according to an embodiment of the present invention; and

Fig. 7 is a schematic diagram of the air duct system taken along the section line B-B in Fig. 1 .

Detailed ways

Fig. 1 is a schematic front view of an air-cooled refrigerator 100 according to an embodiment of the present invention, and Fig. 2 and Fig. 3 are respectively a sectional view and a partially enlarged view of Fig. 1 . The air-cooled refrigerator 100 includes a refrigerator compartment 20 and a freezer compartment 10 . The refrigerating compartment door 24 and the freezing compartment door 14 are disposed at front openings of the refrigerating compartment 20 and the freezing compartment 10 for opening or closing the refrigerating compartment 20 and the freezing compartment 10, respectively. The refrigerating compartment 20 may be disposed laterally adjacent to the freezing compartment 10 . In other words, the refrigerating chamber 20 is disposed on the side of the freezing chamber 10 , and a partition 12 is disposed between the refrigerating chamber 20 and the freezing chamber 10 .

As those skilled in the art can understand, the air-cooled refrigerator 100 of the embodiment of the present utility model may also include a refrigeration cycle system and an air duct 60 . The refrigeration cycle system may include, for example, a compressor (not shown in the figure), a condenser (not shown in the figure), a throttling element (not shown in the figure), and an evaporator 50 . The air-cooled refrigerator 100 can also be provided with a fan 40 located in the air duct 60 , and the fan 40 is used to blow the air cooled and dehumidified by the evaporator 50 to the refrigerator compartment 20 and/or the freezer compartment 10 .

In particular, the air-cooled refrigerator 100 may further include a drying chamber 30 having an independent closed space, which is disposed in the inner space of the refrigerating chamber 20 . The drying principle of the drying chamber 30 in the embodiment of the utility model is: after the relatively low-temperature gas enters the relatively high-temperature closed environment (that is, the drying chamber 30), the relative humidity of the relatively low-temperature gas will decrease due to thermal expansion, thereby The humidity of the drying chamber 30 is reduced.

The drying chamber 30 has an air inlet 33 for the air cooled by the cold source to flow in and a return air outlet 35 for the displaced air to flow out, wherein the air inlet 33 and the return air outlet 35 are opened and closed simultaneously. The drying chamber 30 is controllably communicated with the freezing chamber 10 through the air inlet 33 to controllably supply the cooling airflow inside the freezing chamber 10 to the drying chamber 30 through the air inlet 33 . The low-temperature cooling airflow can flow into the drying chamber 30 through the air inlet 33 to reduce the temperature of the drying chamber 30 and further reduce the humidity of the drying chamber 30 .

The drying chamber 30 communicates with the refrigerating chamber through the air return port 35 . In some optional embodiments, the air return port 35 of the drying chamber 30 allows the gas in the drying chamber 30 to flow out of the drying chamber 30 . When the air inlet 33 blows air to the drying chamber 30 , the air with high humidity in the drying chamber 30 is displaced out of the drying chamber 30 through the return air outlet 35 .

An air intake damper 34 may be provided at the air inlet 33 to introduce cooling airflow into the drying chamber 30 in a controlled manner. Of course, the air intake damper 34 can also be arranged in the ventilation channel. The air intake damper 34 can be a first electric control damper, and the electric control damper is opened according to the start signal triggering the air change of the drying chamber 30 and closed after the wind change is completed.

A return air door 36 is arranged at the air return port 35 . The return air door 36 is opened and closed synchronously with the air intake door 34, and an optional method is that the return air door is the second electric control air door, which is opened and closed synchronously with the first electric control air door. Another optional way is that a one-way sheet is provided at the return air outlet 35, and the one-way sheet covers the return air outlet under the action of gravity, and is opened when the air pressure in the drying chamber overcomes the gravity. Its working process is that when the air inlet door 34 of the air inlet 33 is opened, due to the airflow entering the drying chamber 30, the pressure inside the drying chamber 30 will rise, and under the action of the pressure, the one-way plate of the air return port 35 of the drying chamber 30 will Open outwards, the airflow will take away the moisture in the drying chamber 30 . In order to ensure that the moisture in the drying chamber 30 is fully taken away, the air inlet damper 34 can be continuously opened for a predetermined time, such as 3 minutes (the length of time can be set according to the volume of the drying chamber 30 and the area of the air inlet 33). Then the air intake damper 34 is closed, because there is no continuous air entering the drying chamber 30, the pressure in the drying chamber 30 will reduce, and the one-way plate of the drying chamber 30 air return port 35 will automatically close under the effect of dead weight.

Fig. 4 is a schematic diagram of the drying principle of the drying chamber according to the air-cooled refrigerator of the present invention; Fig. 4 represents the relationship between the various parameters of the humid air with graphical lines, with the temperature as the ordinate and the moisture content as the abscissa, Clusters of relative humidity lines are shown. Under a certain pressure value, as the temperature increases, the moisture content in the humid air increases accordingly. In a closed environment, the moisture content of the air is constant as the temperature rises, so the two points a and b in the figure, because they are on a vertical line, point a (-18°C, 85%RH) It is the low-temperature air state point in the closed space after the ventilation is completed. Point b (5°C, 15% RH) is the air state point after the gas temperature rises. It can be seen that the temperature rises from -18°C to 5°C. The relative humidity is reduced from 85% RH to 15% RH, from which it can be seen that as the temperature of the air in the closed environment increases, the relative humidity can be effectively reduced. That is to say, if the closed environment is filled with -18°C gas with a relative humidity of 85%RH, as the temperature rises, when the temperature rises to 5°C, the theoretical relative humidity will drop to 15%RH. And -18 ℃ can generally be the temperature of the freezer or evaporator in the refrigerator, and 5 ℃ is the temperature of the general refrigerator freezer. Utilizing this physical characteristic, the storage environment of the dry storage device in this embodiment can be realized.

Usually, fruits and vegetables are stored in the refrigerator compartment 20 , so that the relative humidity in the refrigerator compartment 20 is relatively high. The upper space of the refrigerator compartment 20 has a higher relative humidity than the lower space. Setting the drying chamber 30 in the upper space of the refrigerating chamber 20 (that is, in the upper half space of the refrigerating chamber 20 ) is not conducive to maintaining the dry state in the drying chamber 30 . Therefore, in some embodiments of the present invention, it is preferable to arrange the drying chamber 30 in the lower space of the refrigerating chamber 20 , that is, to arrange the drying chamber 30 in the lower half of the space in the refrigerating chamber 20 . That is to say, the height of the top plate (see top plate 322 in FIG. 3 ) of the drying chamber 30 in the refrigerating chamber 20 does not exceed the lower half of the entire height of the interior space of the refrigerating chamber 20 .

Referring to FIGS. 2 and 3 , in some embodiments, the drying chamber 30 may be constituted by a drawer-type sealed container. The drying chamber 30 may include a drawer body 31 and a female box 32 . The drawer body 31 is used for accommodating items to be stored, and may have a cavity with an opening at the top for accommodating the items to be stored. The female box body 32 may have a back panel 321 , a top panel 322 combined with the back panel 321 at respective rear ends, a bottom panel 323 and two opposite lateral side panels to form a cavity for receiving the drawer body 31 in a drawable manner. The front end of the female box body 32 is open, and the drawer body 31 can be pulled out and accommodated along the front-back direction of the refrigerator compartment 20 . In some embodiments, a drawer door 311 for pulling the drawer body 31 may be provided on the drawer body 31 , and a sealing strip 37 is provided at an edge of the drawer door 311 . In this way, when the drawer body 31 and the female seat box 32 are closed, the sealing strip 37 on the drawer door 311 can be sealed with the top plate 322 of the female seat box 32, the bottom plate 323, and the front ends of the two opposite lateral side plates. The front end opening of the base box 32 is sealed so that the drying chamber 30 is basically sealed.

In some embodiments, slideways can be provided on the two lateral side walls of the drawer body 31, and slide rails can be installed on the inner surfaces of the two opposite lateral side plates of the female seat box body 32, so that the drawer body 31 It is slidably installed on the female box body 32 .

In a further embodiment, the bottom plate 323 of the female base box 32 of the drying room 30 is disposed adjacent to the bottom surface of the inner space of the refrigerating room 20 . That is, the bottom plate 323 of the female box body 32 of the drying room 30 is disposed close to the bottom surface of the inner space of the refrigerating room 20, and there is a gap therebetween. In some embodiments, the bottom plate 323 of the female box 32 of the drying chamber 30 rests on the bottom surface of the inner space of the refrigerating chamber 20 . In other words, the drying chamber 30 is arranged at the bottom of the inner space of the refrigerating chamber 20 . In this way, the drying room 30 can be located at a position where the relative humidity of the refrigerating room 20 is lower.

Preferably, the air inlet 33 may be disposed on a lateral side plate of the female base box 32 adjacent to the side wall of the freezing chamber 10 . Correspondingly, an opening 16 is provided on the side wall of the freezing chamber 10 , and a ventilation passage 13 is provided on the partition 12 between the drying chamber 30 and the freezing chamber 10 , and the air inlet 33 communicates with the opening 16 through the ventilation passage 13 . Since the drying chamber 30 is located in the lower space of the refrigerating chamber 20 , and the freezing chamber 10 is laterally adjacent to the refrigerating chamber 20 , the opening 16 is disposed at the lower part of the side wall of the freezing chamber 10 . The cooling airflow in the lower part of the freezing chamber 10 can be controlledly supplied to the drying chamber 30 through the opening 16 , the ventilation channel 13 , and the air inlet 33 . In the embodiment of the present utility model, since the cooling airflow passing into the drying chamber 30 comes from the lower part of the freezing chamber 10, the airflow entering the freezing chamber 10 will condense in the process of flowing from top to bottom, so that it flows into the drying chamber 30 The absolute humidity of the cooling air flow is low to avoid adverse effects on the drying chamber.

The air intake damper 34 can also be arranged in the ventilation channel 13 . When the drying chamber 30 does not need air supply, the air intake door 34 is closed, and the cooling airflow inside the freezing chamber 10 does not flow to the drying chamber 30, and the flow direction of the air path in the refrigerator is shown in Fig. Arrow represents return air direction); When drying chamber 30 needs air supply, air intake damper 34 is opened, and part of the cooling airflow inside freezing chamber 10 flows to drying chamber 30. Air intake damper 34 also can regulate the opening size of air intake. Specifically, when the drying chamber 30 requires a large air volume, the air intake door 34 increases the opening of the air supply port, and when the drying chamber 30 requires a small air volume, the air intake door 34 adjusts the opening of the air supply port small.

In an alternative embodiment, the air inlet 33 of the drying chamber 30 can also be directly communicated with the air duct 60, so that the airflow after the evaporator 50 is cooled and dehumidified directly flows into the drying chamber 30 through the air inlet 33 (without passing through the freezing chamber. 10 or cold room 20). In an alternative embodiment, when the air-cooled refrigerator 100 has two refrigerating chamber evaporators and a freezing chamber evaporator for respectively cooling the refrigerating chamber 20 and the freezing chamber 10, the airflow after being cooled and dehumidified by the refrigerating chamber evaporator can pass through The air inlet 33 directly flows into the drying chamber 30 (without passing through the refrigerating chamber 20).

When the air inlet 33 blows air to the drying chamber 30 , the air with high humidity in the drying chamber 30 is displaced out of the drying chamber 30 through the return air outlet 35 . In some embodiments, the return air outlet 35 is disposed on the back plate 321 of the drying chamber 30 . The airflow flowing out through the return air port 35 of the drying chamber 30 can flow into the refrigerating chamber 20 , and circulate back into the air duct 60 along with the return air of the refrigerating chamber 20 .

The air inlet 33 stops the air supply port, and the return air outlet 35 is closed simultaneously, and a low-temperature airtight space is formed inside the drying chamber 30 at this moment. That is, the cooling gas in the drying chamber 30 cannot flow out of the drying chamber 30 through the air return port 35 ; and the gas with a high relative humidity outside the drying chamber 30 cannot enter the drying chamber 30 either. The air in the drying chamber 30 conducts heat exchange with the external environment, so that its temperature rises, thereby reducing the relative humidity of the air in the drying chamber 30 .

Correspondingly, the air-cooled refrigerator 100 may further include a temperature sensor and a humidity sensor (not shown in the figure). A temperature sensor and a humidity sensor are respectively provided in the drying chamber 30 to sense temperature and humidity inside the drying chamber 30, respectively. The air inlet damper 34 at the air inlet 33 and the return air damper 36 at the air return outlet 35 can be configured to be simultaneously opened or closed in a controlled manner according to the temperature sensed by the temperature sensor and/or the humidity sensed by the humidity sensor. In some embodiments, when the relative humidity in the drying chamber 30 is higher than a preset humidity value, the air intake damper 34 is opened to supply cooling air into the drying chamber 30 . In some embodiments, when the temperature inside the drying chamber 30 is higher than a preset temperature value, the air intake door 34 is opened to supply cooling air into the drying chamber 30 . In some embodiments, when the relative humidity value in the drying chamber 30 is lower than the preset humidity value, the air intake damper 34 is closed; or the air intake damper 34 is closed after opening for a predetermined time; or when the temperature value in the drying chamber 30 is lower than Close the air intake damper 34 during the preset temperature value.

In other optional embodiments, the air inlet 33 and the return air outlet 35 can also be opened and closed according to time, for example, the air exchange is opened every preset time, and the air exchange time reaches the preset air exchange time to ensure sufficient air exchange Automatically shuts off.

Table 1 shows the temperature and humidity comparison data of the refrigerating chamber 20 and the drying chamber 30 of the air-cooled refrigerator 100 according to a specific embodiment of the present invention. It can be seen from Table 1 that the relative humidity of the drying room 30 is about 16% lower than that of the refrigerating room 20. If a large amount of vegetables are placed in the refrigerating room 20, the relative humidity in the refrigerating room 20 can reach 65%. If the dry goods are put into the cold storage room 20, the dry goods are very easy to regain moisture, and it is easy to mold after a long time, causing the dry goods to deteriorate. However, in the present invention, the dry goods placed in the drying chamber 30 are relatively airtight, and are less affected by the humidity of the refrigerating chamber 20, so the relative humidity of the drying chamber 30 can be guaranteed to be lower than 40%. So that the dry goods can be stored for a long time without regaining moisture and deterioration.

Table 1 Comparative data of cold room and dry room temperature humidity

Drying room (℃) Drying room (%RH) Refrigerator (℃) Refrigerator (%RH) average value 7.0 26.0 5.7 43.3

It can be seen from this that, using the air-cooled refrigerator of this embodiment, an independently sealed drying room is set inside the refrigerating room, and the air exchange and sealing of the drying room are realized by simultaneously opening and closing the air inlet and the air return port, which is the drying room. Achieving a dry and stable storage environment provides the basis.

Furthermore, the utility model introduces the cooling airflow in the freezing chamber into the drying chamber, without the need of setting up a separate air duct for the drying chamber, and by reasonably arranging the position of the drying chamber, the drying chamber can have a lower relative humidity and a lower temperature. Temperature, this kind of low-temperature and low-humidity environment is especially suitable for the preservation of dry food ingredients, which can not only prevent dry goods from getting wet, but also ensure the nutritional content of dry goods.

So far, those skilled in the art should recognize that although a number of exemplary embodiments of the present invention have been shown and described in detail herein, they can still be used according to the present invention without departing from the spirit and scope of the present invention. Many other variations or modifications that conform to the principles of the utility model are directly determined or derived from the disclosed content of the new model. Therefore, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.

Claims (10)

1. An air-cooled refrigerator, comprising a freezer and a refrigerated chamber laterally adjacent to the freezer, characterized in that the air-cooled refrigerator also includes: A drying room with an independent closed space is set in the cold storage room; The drying chamber has an air inlet for the air cooled by the cold source to flow in and a return air outlet for the displaced air to flow out, wherein the air inlet and the return air are opened and closed simultaneously. 2. The air-cooled refrigerator according to claim 1, characterized in that, The drying chamber is controllably communicated with the freezing chamber through the air inlet. 3. The air-cooled refrigerator according to claim 1, characterized in that, The drying chamber communicates with the refrigerating chamber through the air return port. 4. The air-cooled refrigerator according to claim 2, characterized in that, The air inlet is provided with a first electronically controlled air door, which is opened according to the start signal triggering the air change in the drying chamber and closed after the air change is completed. 5. The air-cooled refrigerator according to claim 4, characterized in that, The air return port is provided with a second electronically controlled damper, which is opened and closed synchronously with the first electrically controlled damper. 6. The air-cooled refrigerator according to claim 4, characterized in that, A one-way sheet is arranged at the air return port, and the one-way sheet covers the air return port under the action of gravity, and is opened when the air pressure in the drying chamber overcomes the gravity. 7. The air-cooled refrigerator according to any one of claims 1 to 6, characterized in that, Described drying room is made of drawer type airtight container, comprises: a drawer body for holding items to be stored; and The female seat box has a back panel and a top panel, a bottom panel and two opposite lateral side panels combined with the back panel at respective rear ends to form a cavity barrel that accommodates the drawer body in a drawable manner. 8. The air-cooled refrigerator according to claim 7, characterized in that, The bottom plate of the female base box of the drying chamber is disposed adjacent to or rests on the bottom surface of the inner space of the refrigerating chamber. 9. The air-cooled refrigerator according to claim 8, characterized in that, The air inlet is arranged on the lateral side plate of the female base box adjacent to the side wall of the freezing chamber. 10. The air-cooled refrigerator according to claim 8, characterized in that, The air return port is arranged on the back plate of the drying chamber.