CN218096795U - Liner cold air circulation structure for special refrigerator and special refrigerator - Google Patents

Abstract

The application relates to the technical field of special refrigerators and discloses an inner container cold air circulation structure for a special refrigerator, which comprises an inner container structure, an air duct and a fan, wherein the inner container structure comprises a first side wall and a second side wall, the first side wall is provided with a first ventilation hole group, and the second side wall is provided with a second ventilation hole group; the air duct is arranged outside the inner container structure, a first end of the air duct is connected with the first side wall and communicated with the first ventilation hole group, and a second end of the air duct is connected with the second side wall and communicated with the second ventilation hole group; the fan is arranged in the air duct and used for enabling the cold air in the liner structure to enter the air duct through the second ventilation hole group and then return to the liner structure through the first ventilation hole group. The device sets up the wind channel in the outside of inner bag structure, and the fan setting is in the wind channel, and air conditioning can circulate between wind channel and inner bag structure, can increase the volume of inner bag structure like this, and the condition that reduces the ventilation hole and is sheltered from takes place, makes inner bag air conditioning circulation more smooth. The application also discloses a special refrigerator.

Description

Liner cold air circulation structure for special refrigerator and special refrigerator

Technical Field

The application relates to the technical field of special refrigerators, for example to an inner container cold air circulation structure for a special refrigerator and the special refrigerator.

Background

The special refrigerator is an explosion-proof refrigerator system which is manufactured by adopting an integrated explosion-proof technology according to the use requirement of an industrial environment. Can be widely used in the fields of petroleum, chemical industry, medicine, aerospace, military and the like. The storage container is used for storing volatile flammable and combustible dangerous goods which are difficult to store at normal temperature such as medicine reagents and the like by cooling at a lower temperature.

The existing special refrigerator is small in size, the air channel and the air suction opening of the fan are mostly arranged on the inner wall of the inner container of the special refrigerator, the size of the inner container is occupied, and when the air channel or the air suction opening of the fan is shielded, the special refrigerator is easy to cause unsmooth cold air internal circulation in the working process.

SUMMERY OF THE UTILITY MODEL

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides a liner cold air circulation structure for a special refrigerator and the special refrigerator, which are used for solving the problems that an air duct is arranged on the inner wall of a liner of the special refrigerator, the volume of the liner is occupied, and cold air circulation is not smooth.

In some embodiments, the liner cool air circulation structure for the special refrigerator comprises a liner structure, an air duct and a fan, wherein the liner structure comprises a first side wall and a second side wall, the first side wall is provided with a first ventilation hole group, and the second side wall is provided with a second ventilation hole group; the air duct is arranged outside the inner container structure, a first end of the air duct is connected with the first side wall and communicated with the first ventilation hole group, and a second end of the air duct is connected with the second side wall and communicated with the second ventilation hole group; the fan is arranged in the air duct and used for enabling the cold air in the liner structure to enter the air duct through the second ventilation hole group and then return to the liner structure through the first ventilation hole group.

In some embodiments, the liner cool air circulation structure further includes a heat exchange fin set, the heat exchange fin set is installed in the air duct and has a heat exchange surface exposed outside the air duct, and the heat exchange surface is used for exchanging heat with the outside to obtain cool energy and conducting the cool energy into the air duct.

In some embodiments, the heat exchange fin group comprises a plurality of heat exchange fins and a heat transfer structure, the extending direction of the heat exchange fins is the same as the extending direction of the air duct, the heat transfer structure is connected with the heat exchange fins, the air duct is provided with an opening, the heat transfer structure plugs the opening, and part of the heat transfer structure is exposed outside the air duct and serves as a heat exchange surface.

In some embodiments, the plurality of first ventilation holes of the first ventilation hole group are arranged along the extending direction of the first end of the air duct; the heat exchange fin group is positioned above the first ventilation hole of the part of the air duct main body side.

In some embodiments, the air duct comprises an outer shell and a fan box, the outer shell is covered on the outer wall of the inner container structure, a first end of the outer shell is closed and covers the first ventilation hole group, and a second end of the outer shell is opened; the fan box is constructed with first installing zone of spaced and for the second installing zone, and first installing zone communicates with second end, the second ventilation hole group of shell body respectively, and first installing zone is used for installing the fan, and the second installing zone is used for installing electronic components.

In some embodiments, the liner structure further comprises a first baffle and/or a second baffle, the first baffle is provided with a first vent hole group, the first side wall is provided with a first installation window, and the first baffle is arranged in the first installation window; and/or a second ventilation hole group is arranged on the second baffle plate, a second mounting window is arranged on the second side wall, and the second baffle plate is arranged on the second mounting window; the second ventilation hole group comprises a plurality of second ventilation holes, one part of the second ventilation holes correspond to the first installation area of the fan box and are used for communicating the air duct and the inner container structure, and the other part of the second ventilation holes correspond to the second installation area of the fan box and are used for radiating electronic components.

In some embodiments, the first region of the second baffle plate provides a second set of ventilation apertures; the second area of the second baffle is used for installing a fan.

In some embodiments, the inner container structure further includes a third baffle plate disposed at a communication between the outer shell and the fan box to seal the communication between the outer shell and the fan box.

In some embodiments, the first sidewall and the second sidewall are located on opposite sides of the bladder structure; the first ventilation hole group and the second ventilation hole group are arranged in a staggered mode.

In some embodiments, the special refrigerator comprises an inner container cold air circulation structure for the special refrigerator in some embodiments.

The inner container cold air circulation structure for the special refrigerator and the special refrigerator provided by the embodiment of the disclosure can realize the following technical effects:

this disclosed inner bag air conditioning circulating structure sets up the wind channel in the outside of inner bag structure, and the fan setting is in the wind channel, and the air conditioning in the inner bag structure can get into the wind channel through second vent hole group under the effect of negative pressure, and the rethread first vent hole group gets back to in the inner bag structure, so air conditioning can circulate between wind channel and inner bag structure, can increase the volume of inner bag structure like this, and the condition that the reduction ventilation hole was sheltered from takes place, makes inner bag air conditioning circulation more smooth.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:

fig. 1 is an exploded schematic view of an inner container cold air circulation structure for a special refrigerator provided in an embodiment of the present disclosure;

FIG. 2 is a schematic structural view of a cool air circulation structure of an inner container for a special refrigerator provided in the embodiment of the present disclosure;

FIG. 3 is a schematic cross-sectional view of a cooling air circulation structure of an inner container for a special refrigerator according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural view of a heat exchanging fin set provided by an embodiment of the present disclosure;

FIG. 5 is a schematic structural diagram of a fan box provided by an embodiment of the disclosure;

FIG. 6 is a schematic structural diagram of a first baffle provided by an embodiment of the present disclosure;

fig. 7 is a schematic structural diagram of a second baffle provided in an embodiment of the present disclosure.

Reference numerals are as follows:

10: an inner container structure; 11: a first side wall; 111: a first baffle plate; 112: a first group of ventilation holes; 12: a second side wall; 121: a second baffle; 1211: a first region; 1212: a second region; 122: a second group of ventilation holes; 1221: a first portion of the vent holes; 1222: a second portion of the vent holes; 123: a third baffle plate; 13: a third side wall; 14: a fourth side wall; 15: a track;

20: an air duct; 21: an outer housing; 22: a fan box; 221: a first mounting area; 222: a second mounting area; 23: a heat exchange fin set; 231: a heat transfer structure; 232: heat exchange fins;

30: a fan; 31: a fan frame.

Detailed Description

So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.

The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged as appropriate for the embodiments of the disclosure described herein. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the disclosed embodiments and their examples and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In addition, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. Specific meanings of the above terms in the disclosed embodiments can be understood by those of ordinary skill in the art according to specific situations.

The term "plurality" means two or more unless otherwise specified.

In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.

The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. E.g., a and/or B, represents: a or B, or A and B.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

Referring to fig. 1 to 3, the present disclosure provides a liner cool air circulation structure for a special refrigerator, which includes a liner structure 10, an air duct 20, and a fan 30.

The liner structure 10 includes a first sidewall 11 and a second sidewall 12, the first sidewall 11 is provided with a first set of ventilation holes 112, and the second sidewall 12 is provided with a second set of ventilation holes 122.

The air duct 20 is disposed outside the liner structure 10, and a first end of the air duct 20 is connected to the first side wall 11 and is communicated with the first ventilation hole set 112, and a second end of the air duct 20 is connected to the second side wall 12 and is communicated with the second ventilation hole set 122.

The fan 30 is disposed in the air duct 20, and is used for making the cool air in the liner structure 10 enter the air duct 20 through the second ventilation hole group 122, and then return to the liner structure 10 through the first ventilation hole group 112.

It can be understood that the air outlet of the air duct 20 is located on the first side wall 11, the first ventilation hole group 112 is mainly used for air conditioning to enter the liner structure 10 from the air duct 20, the air inlet of the air duct 20 is located on the second side wall 12, the second ventilation hole group 122 is mainly used for air conditioning in the liner structure 10 to enter the air duct 20, and the fan 30 is disposed in the air duct 20, so that negative pressure is formed in the air duct 20, and air conditioning enters the air duct 20 from the liner structure 10 through the second ventilation hole group 122, and then enters the liner structure 10 through the first ventilation hole group 112.

By adopting the liner cold air circulation structure for a special refrigerator provided by the embodiment of the disclosure, the fan 30 is arranged in the air duct 20, the air duct 20 is arranged outside the liner structure 10, cold air can enter the air duct 20 from the liner structure 10 through the second ventilation hole group 122, and then returns to the liner structure 10 through the first ventilation hole group 112, so that the cold air can circulate between the air duct 20 and the liner structure 10. Meanwhile, the air duct 20 is arranged outside the inner container structure 10, so that the occupation of the inner cavity space of the inner container structure 10 is reduced, the volume of the inner container structure 10 is increased, the occurrence of the situation that the vent holes are blocked is reduced, and the circulation of the cold air of the inner container is smoother.

In the embodiment of the present disclosure, the first sidewall 11 and the second sidewall 12 of the liner structure 10 may be two adjacent sidewalls, or may be two opposite sidewalls. Without limitation, the inner container structure 10 may be assembled according to actual requirements.

In some embodiments, the first sidewall 11 and the second sidewall 12 are two opposing sidewalls of the liner structure 10. As an example, as shown in fig. 2, the first sidewall 11 is located at the upper side of the liner structure 10, the second sidewall 12 is located at the lower side of the liner structure 10, and the fan 30 draws cold air from the bottom of the liner structure 10 into the air duct 20 through the second ventilation hole group 122, and then sends the cold air in the air duct 20 back to the liner structure 10 through the first ventilation hole group 112.

As shown in fig. 1, 3, and 4, optionally, the liner cold air circulation structure further includes a heat exchange fin set 23, the heat exchange fin set 23 is installed in the air duct 20 and has a heat exchange surface exposed outside the air duct 20, and the heat exchange surface is used for exchanging heat with the outside to obtain cold energy and transferring the cold energy into the air duct 20.

It can be understood that the heat exchanging fin set 23 is disposed in the air duct 20 for cooling the circulating cool air, wherein the heat exchanging surface exposed outside the air duct 20 can be connected to the refrigeration system of the special refrigerator, so as to keep the circulating cool air at a lower temperature.

With reference to fig. 1 to 4, optionally, the heat exchanging fin group 23 includes a plurality of heat exchanging fins 232 and a heat transfer structure 231, an extending direction of the plurality of heat exchanging fins 232 is the same as an extending direction of the air duct 20, the heat transfer structure 231 is connected to the plurality of heat exchanging fins 232, the air duct 20 is provided with an opening, the heat transfer structure 231 blocks the opening, and a part of the heat transfer structure 231 is exposed outside the air duct 20 as a heat exchange surface.

It can be understood that the extending direction of the heat exchanging fins 232 is the same as the extending direction of the air duct 20, so that the cold air can move along the air duct 20, and resistance to the circulation of the cold air in the inner container caused by the arrangement direction of the heat exchanging fins 232 is avoided; the heat transfer structure 231 exchanges heat with the outside through the opening. In the embodiment of the present disclosure, the heat transfer structure 231 mainly plays two roles, in the first aspect, the heat transfer structure 231 plugs the opening of the air duct 20 to prevent the air leakage from the air duct 20, and in the second aspect, the heat transfer structure 231 is connected to the refrigeration system of the special refrigerator through the opening of the air duct 20 to transfer the cold energy of the refrigeration system to the plurality of heat exchange fins 232, so that the cold air of the internal circulation can be kept at a lower temperature. Preferably, the heat exchanging fins 232 are made of aluminum.

As an example, the heat transfer structure 231 is a plate-shaped structure, one plane is used for blocking the air opening, the part of the heat transfer structure exposed outside the air duct 20 is in contact with the heat exchange structure of the refrigeration system of the special refrigerator to obtain cold, and the other plane is used for being connected with the heat exchange fins 232 to keep the cold air of the internal circulation at a lower temperature.

Alternatively, the first vents of the first vent group 112 are arranged along the extending direction of the first end of the air duct 20; the heat exchanging fin group 23 is located above a part of the first vent holes on the main body side of the air duct 20.

It can be understood that the first vent hole is disposed along the extending direction of the first end of the air duct 20, so that the air outlet of the air duct 20 can uniformly enter the liner structure 10, and the heat exchanging fin set 232 is located above the first vent hole of the main body of the air duct 20, so that the heat exchanging fin set 232 can provide cold for the air outlet of the air duct 20, and then the air outlet is performed through the first vent hole set 112.

As an example, as shown in fig. 6, the distribution density of the first vent holes of the first vent hole group 112 may be different. For example, the first ventilation holes corresponding to the heat exchange fins 232 may be arranged at a lower distribution density to facilitate the installation of the heat exchange fin group 23, and the other first ventilation holes may be arranged at a higher distribution density to facilitate the circulation of the cooling air.

As shown in fig. 1, 2, 3 and 5, optionally, the air duct 20 includes an outer casing 21 and a fan box 22, the outer casing 21 covers the outer wall of the liner structure 10, a first end of the outer casing 21 is closed and covers the first ventilation hole group 112, and a second end of the outer casing 21 is open; the fan box 22 is configured to partition a first mounting area 221 and a second mounting area 222, the first mounting area 221 communicating with the second end of the outer case 21, the first mounting area 221 being for mounting the fan 30, and the second mounting area 222 being for mounting electronic components.

It will be appreciated that two sections are provided within the blower box 22, one being a first mounting section 221 for mounting the blower 30 and the other being a second mounting section 222 for mounting electronic components. The outer shell 21 covers the outer part of the inner container structure 10, and the open end of the outer shell 21 is communicated with the first installation area 221 of the fan box 22. The outer housing 21, the first mounting area 221 of the fan box 22 and the inner container structure 10 enclose an air duct 20.

As an example, the fan box 22 is divided into two independent sections by a partition, one side of the partition is a first mounting area 221 for mounting the fan 30, and the other side of the partition is a second mounting area 222 for mounting electronic components.

As another example, the heat exchanging fin group 23 may be connected to the outer casing 21, and mounted on the liner structure 10 together with the outer casing 21; the heat exchanging fin group 23 may be designed separately from the outer case 21 and directly attached to the first side wall 11.

As shown in fig. 1, 2, 3, 6, and 7, optionally, the liner structure 10 further includes a first baffle 111 and/or a second baffle 121, the first baffle 111 is provided with a first ventilation hole group 112, the first sidewall 11 is provided with a first installation window, and the first baffle is disposed in the first installation window; the second baffle 121 is provided with a second vent hole group 122, a second mounting window is formed on the second side wall 12, and the second baffle is arranged in the second mounting window; the second ventilation hole group 122 includes a plurality of second ventilation holes, a portion of the second ventilation holes corresponds to the first installation area 221 of the fan box 22 and is used for communicating the air duct 20 and the liner structure 10, and another portion of the second ventilation holes corresponds to the second installation area 222 of the fan box 22 and is used for heat dissipation of electronic components.

It can be understood that, in the embodiment of the present disclosure, the first baffle 111 and the second baffle 121 are mounted on the inner container structure 10, so that, compared to the integral inner container structure 10, on the one hand, processing can be facilitated, and on the other hand, maintenance and cleaning of the air duct 20 can be facilitated. In addition, the second baffle 121 is structurally matched with the fan box 22, the second vent hole group 122 acts on the first mounting area 221 and the second mounting area 222, the first vent hole 1221 acting on the first mounting area 221 is used for cold air circulation, and the second vent hole 1222 acting on the second mounting area 222 is used for heat dissipation of electronic components.

As shown in connection with fig. 7, optionally, the first region 1211 of the second baffle plate 121 is provided with a second ventilation hole group 122; the second region 1212 of the second baffle 121 is used to mount the blower 30.

It is understood that the second ventilation hole group 122 is partially disposed at the second barrier 121, and the second barrier 121 is divided into two regions, the first region 1211 is a first region 1211 where the second ventilation hole group 122 is disposed, and the second region 1212 is a second region 1212 where the second ventilation hole group 122 is not disposed, wherein the second region 1212 is adjacent to a surface of the wind tunnel 20 for mounting the fan 30.

As an example, the second region 1212 is located upstream of the first region 1211.

As another example, the fan box 22 is provided with a fan frame 31 in the first mounting region 221 for mounting the fan 30, and the fan frame 31 is connected with the second section 1212 of the second barrier 121.

As shown in fig. 1 to 3, optionally, the inner container structure 10 further includes a third baffle 123, and the third baffle 123 is disposed at a communication position between the outer casing 21 and the fan box 22 to seal the communication position between the outer casing 21 and the fan box 22.

It can be understood that the second baffle 121 and the third baffle 123 are installed on the same side and are both located on the second side wall 12, the third baffle 123 is located at a communication position between the outer casing 21 and the fan box 22, the second baffle 121, the third baffle 123, the second end of the outer casing 21 and the fan box 22 enclose to form a second end of the air duct 20, and the third baffle 123 can reduce the air leakage at the communication position between the outer casing 21 and the fan box 22.

As an example, as shown in fig. 2 and 3, the second end of the outer casing 21 is a bent plate structure, one side of the second end of the outer casing 21 close to the second side wall 12 is open, the first mounting area 221 of the fan box 22 is overlapped with the second end of the outer casing 21, and the third baffle 123 is located above the opening of the second end of the outer casing 21 for sealing the communication between the outer casing 21 and the fan box 22.

Optionally, the first sidewall 11 and the second sidewall 12 are located on opposite sides of the liner structure 10; the first vent hole set 112 and the second vent hole set 122 are arranged in a staggered manner.

It can be understood that the first side wall 11 and the second side wall 12 are located at opposite sides of the inner container structure 10, so that the flow of the cool air can be facilitated, and the first vent hole group 112 and the second vent hole group 122 are arranged in a staggered manner, so that the first vent hole and the second vent hole are not arranged in a vertical straight-through manner, which can prolong the flow path of the cool air and improve the refrigeration effect of the special refrigerator.

The structure shown in fig. 1-7 is taken as an example to describe the cool air circulation structure of the inner container for special refrigerator in the embodiment of the present disclosure.

The inner container cold air circulation structure comprises an inner container structure 10, an air duct 20, a fan 30 and a heat exchange fin group 23.

The inner container structure 10 comprises a first side wall 11, a second side wall 12, a third side wall 13 and a fourth side wall 14, wherein ventilation holes are formed in the first side wall 11 and the second side wall 12 and used for cold air circulation, a supporting piece is arranged on the outer side of the third side wall 13 and used for supporting the outer shell 21, and rails 15 are arranged on the inner sides of the third side wall 13 and the fourth side wall 14 and used for transversely installing object placing plates, so that the inner part of the inner container structure 10 is distributed in a multi-layer mode to place more objects.

Wherein, first lateral wall 11 is located the upside of inner bag structure 10, second lateral wall 12 is located the downside of inner bag structure 10, first ventilation hole group 112 is located the first end of wind channel 20, second ventilation hole group 122 is located the second end of wind channel 20, fan 30 sets up in wind channel 20, can make the interior negative pressure that forms of wind channel 20, make the interior air conditioning of inner bag structure 10 pass through second ventilation hole group 122 and get into wind channel 20, then send the interior air conditioning of wind channel 20 back to inner bag structure 10 through first ventilation hole group 112.

The air duct 20 comprises an outer shell 21 and a fan box 22, the outer shell 21 is positioned on the outer sides of the first side wall 11, the second side wall 12 and the third side wall 13, the fan box 22 is positioned on the outer side of the second side wall 12, a first end of the outer shell 21 is closed and covered with a first ventilation hole group 112, and a second end of the outer shell 21 is opened; two sub-areas are provided in the fan box 22, one is a first mounting area 221 for mounting the fan 30, and the other is a second mounting area 222 for mounting electronic components. Wherein the open end of the outer shell 21 communicates with the first mounting area 221 of the fan box 22.

The first side wall 11 is provided with a first mounting window for mounting the first baffle 111, the second side wall 12 is provided with a second mounting window for mounting the second baffle 121 and the third baffle 123, the first baffle 111 is provided with a first ventilation hole group 112, the second baffle 121 is provided with a second ventilation hole group 122, and the first ventilation hole group 112 and the second ventilation hole group 122 are arranged in a staggered manner to prolong the circulation path of cold air and improve the refrigeration effect of the special refrigerator.

The second vent hole group 122 is partially provided in the first region 1211 of the second barrier 121. The fan box 22 is provided with a fan frame 31 in the first installation area 221, and the fan frame 31 is connected to a second region 1212 of the second baffle plate 121 where the second ventilation hole group 122 is not provided. The second vent hole group 122 acts on both the first mounting area 221 and the second mounting area 222, and the portion acting on the first mounting area 221 is used for cold air circulation and the portion acting on the second mounting area 222 is used for heat dissipation of the electronic component.

The third baffle 123 is located the intercommunication department of shell body 21 and fan box 22, can reduce the phenomenon of leaking out of shell body 21 and the junction of fan box 22, the second installation window is the logical groove that sets up on the second lateral wall 12, third baffle 123 is located the opening side of second installation window, second baffle 121 meets with third baffle 123, when assembling, can install third baffle 123 earlier, then install second baffle 121, third baffle 123 can provide the support for the installation of second baffle 121 like this, be convenient for the installation of second baffle 121. The second baffle 121, the third baffle 123, the second end of the outer housing 21, and the fan box 22 enclose a second end that forms the air duct 20.

The heat exchanging fin group 23 is installed in the air duct 20 and has a heat exchanging surface exposed outside the air duct 20, and the heat exchanging surface is used for exchanging heat with the outside to obtain cold energy and transmitting the cold energy into the air duct 20. The heat exchanging fin set 232 is located above a portion of the first vent hole on the main body side of the air duct 20, so that the heat exchanging fin set 232 can provide cooling capacity for air outlet of the air duct 20, and then air outlet is performed through the first vent hole set 112. The heat exchanging fin group 23 includes a heat transfer structure 231 and a plurality of heat exchanging fins 232, each of the heat exchanging fins 232 being located at a side of a corresponding plurality of first vent holes. The extending direction of the heat exchanging fins 232 is the same as the extending direction of the air duct 20, so that the cold air can move along the air duct 20, and resistance to the circulation of the cold air in the inner container due to the arrangement direction of the heat exchanging fins 232 is avoided. Preferably, the heat exchanging fins 232 are made of aluminum sheets.

The outer shell 21 is provided with an opening, the heat transfer structure 231 is a plate-shaped structure, one plane is used for plugging the air opening, the part of the air opening exposed outside the air duct 20 is contacted with the heat exchange structure of the refrigerating system to obtain cold energy, and the other plane is used for being connected with the heat exchange fins 232 to keep the cold air of the internal circulation at a lower temperature.

By adopting the liner cold air circulation structure for the special refrigerator provided by the embodiment of the disclosure, the fan 30 is arranged in the air duct 20, and the air duct 20 is arranged outside the liner structure 10, so that the air duct 20 can not occupy the volume of the liner structure 10, the occurrence of the situation that the vent holes are blocked is reduced, and the liner cold air circulation is smoother.

The embodiment of the disclosure provides a special refrigerator, which comprises the inner container cold air circulation structure for the special refrigerator.

By adopting the special refrigerator provided by the embodiment of the disclosure, the air duct 20 is arranged outside the inner container structure 10, so that the volume of the inner container structure 10 is increased, the shielding condition of the ventilation hole is reduced, and the circulation of the cold air in the inner container is smoother.

The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and illustrated in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. The utility model provides a liner air conditioning circulation structure for special type refrigerator which characterized in that includes:

the liner structure (10) comprises a first side wall (11) and a second side wall (12), wherein a first ventilation hole group (112) is arranged on the first side wall (11), and a second ventilation hole group (122) is arranged on the second side wall (12);

the air duct (20) is arranged outside the inner container structure (10), a first end of the air duct (20) is connected with the first side wall (11) and communicated with the first ventilation hole group (112), and a second end of the air duct is connected with the second side wall (12) and communicated with the second ventilation hole group (122);

and the fan (30) is arranged in the air duct (20) and used for enabling cold air in the inner container structure (10) to enter the air duct (20) through the second ventilation hole group (122) and then return to the inner container structure (10) through the first ventilation hole group (112).

2. The cool air circulation structure of inner container of claim 1, further comprising:

the heat exchange fin group (23) is arranged in the air duct (20) and is provided with a heat exchange surface exposed outside the air duct (20), and the heat exchange surface is used for exchanging heat with the outside to obtain cold and transmitting the cold into the air duct (20).

3. The liner cold air circulation structure according to claim 2, wherein the heat exchanging fin group (23) includes:

a plurality of heat exchange fins (232) extending in the same direction as the air duct (20);

the heat transfer structure (231) is connected with the heat exchange fins (232), the air duct (20) is provided with an opening, the heat transfer structure (231) blocks the opening, and the part of the heat transfer structure (231) is exposed outside the air duct (20) and serves as a heat exchange surface.

4. The cool air circulation structure of inner container of claim 2, wherein,

the plurality of first ventilation holes of the first ventilation hole group (112) are arranged along the extending direction of the first end of the air duct (20);

the heat exchange fin group (23) is positioned above part of the first ventilation holes on the main body side of the air duct (20).

5. The liner cool air circulation structure according to any one of claims 1 to 4, wherein the duct (20) comprises:

the outer shell (21) covers the outer wall of the liner structure (10), a first end of the outer shell (21) is closed and covers the first ventilation hole group (112), and a second end of the outer shell (21) is opened;

and the fan box (22) is provided with a first installation area (221) and a second installation area (222) which are separated, the first installation area (221) is respectively communicated with the second end of the outer shell (21) and the second vent hole group (122), the first installation area (221) is used for installing the fan (30), and the second installation area (222) is used for installing electronic components.

6. The liner cold air circulation structure according to claim 5, wherein the liner structure (10) further comprises:

a first baffle plate (111) on which the first vent hole group (112) is provided; a first mounting window is formed in the first side wall (11), and the first baffle (111) is arranged in the first mounting window; and/or the presence of a gas in the gas,

the second baffle plate (121) is provided with the second vent hole group (122); a second mounting window is formed in the second side wall (12), and the second baffle (121) is arranged in the second mounting window; the second ventilation hole group (122) comprises a plurality of second ventilation holes, one part of the second ventilation holes correspond to the first installation area (221) of the fan box (22) and are used for communicating the air duct (20) with the liner structure (10), and the other part of the second ventilation holes correspond to the second installation area (222) of the fan box (22) and are used for heat dissipation of the electronic components.

7. The cool air circulation structure of inner container of claim 6, wherein,

the second vent hole group (122) is arranged in the first area of the second baffle plate (121);

the second area of the second baffle (121) is used for mounting the fan (30).

8. The liner cold air circulation structure according to claim 7, wherein the liner structure (10) further comprises:

the third baffle plate (123) is arranged at the communication position of the outer shell (21) and the fan box (22) so as to seal the communication position of the outer shell (21) and the fan box (22).

9. The cool air circulation structure of inner container according to any one of claims 1 to 4,

the first side wall (11) and the second side wall (12) are located on opposite sides of the liner structure (10);

the first ventilation hole group (112) and the second ventilation hole group (122) are arranged in a staggered mode.

10. The special refrigerator is characterized by comprising the inner container cold air circulation structure for the special refrigerator as claimed in any one of claims 1 to 9.

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