CN216245083U - Air duct capable of improving temperature uniformity in refrigerator and medical refrigerator - Google Patents
Air duct capable of improving temperature uniformity in refrigerator and medical refrigerator Download PDFInfo
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- CN216245083U CN216245083U CN202122227098.2U CN202122227098U CN216245083U CN 216245083 U CN216245083 U CN 216245083U CN 202122227098 U CN202122227098 U CN 202122227098U CN 216245083 U CN216245083 U CN 216245083U
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Abstract
The utility model discloses an air duct capable of improving the temperature uniformity in a box, which comprises a refrigeration air duct, a circulation air duct and a stirring air duct, wherein the refrigeration air duct is connected with the circulation air duct; the bottom of the refrigeration air duct is communicated with the inner cavity of the box body, an evaporator is arranged in the refrigeration air duct, and a refrigeration air outlet communicated with the circulation air duct is arranged at the upper part of the refrigeration air duct; a first fan is arranged in the circulation air duct; a plurality of circulation air outlets are arranged on the periphery of the circulation air duct; the stirring air channel is arranged in the circulation air channel at the upper part of the first fan; a stirring air inlet is formed in the middle of the stirring air channel, and a second fan is arranged in the stirring air channel; and a plurality of stirring air outlets are arranged around the stirring air channel. The utility model discloses a medical refrigerator. The first fan and the ventilation air channel are used for circulating air in the box, so that the air passes through the evaporator to realize refrigeration and cooling; the second fan and the stirring air channel are used for enabling air inside the box body to form turbulent flow, so that the air inside the box body is fully mixed and stirred, and the temperature in the box body is more uniform.
Description
Technical Field
The utility model belongs to the technical field of medical refrigerating boxes, and particularly relates to an air duct capable of improving the temperature uniformity in a box and a medical refrigerating box.
Background
With the increasing view of people in the medical industry, medical refrigerating boxes are also known more and more, and medical refrigerating boxes for storing medical articles such as vaccines, medicines, reagents, blood and the like in daily life are also visible everywhere. The application of multiple scenes and multiple frequencies greatly improves the requirements of the medical refrigerating box and simultaneously puts higher requirements on the performance of the medical refrigerating box.
The structure type of an air channel in a medical refrigerating box in the market at present is single, most of the air channels are of a traditional structure type which adopts a single-group refrigerating fan to operate to realize one-way circulation of air in the box, hot air with higher temperature in the box body is sucked into the air channel by the refrigerating fan, is cooled by an evaporator and then is blown into the box body through an air outlet, and cold air blown out from the air outlet carries away heat in the box and then is sucked into the air channel again, so that the purposes of cooling in the box and air circulation are realized; the air duct structure with the single wind direction circulation can achieve the purpose of cooling in the box, but the temperature difference of the air in the box near the air outlet and the air inlet is large, and the temperature difference of the temperature in the box can be increased under the influence of the air outlet temperature difference of the air outlets in different positions, so that the uniformity of the temperature in the box is easily deteriorated, and the phenomenon of temperature stratification in the box is serious even caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide an air duct and a medical refrigerator capable of improving the temperature uniformity in the refrigerator.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an air duct capable of improving the temperature uniformity in a box comprises a refrigeration air duct, a circulation air duct and a stirring air duct;
the bottom of the refrigeration air channel is communicated with the inner cavity of the box body, an evaporator is arranged in the refrigeration air channel, and a refrigeration air outlet communicated with the circulation air channel is arranged at the upper part of the refrigeration air channel;
a first fan is arranged in the circulation air duct corresponding to the refrigeration air outlet; a plurality of circulation air outlets communicated with the inner cavity of the box body are formed in the periphery of the circulation air channel;
the stirring air channel is arranged in the circulation air channel at the upper part of the first fan; a stirring air inlet communicated with the inner cavity of the box body is formed in the middle of the stirring air channel, and a second fan is arranged in the stirring air channel corresponding to the stirring air inlet; and a plurality of stirring air outlets communicated with the inner cavity of the box body are formed around the stirring air channel.
Preferably, the circulation air duct is enclosed by a flow air duct plate and a circulation air duct front cover plate;
the flow channel plate is of a box-shaped structure with an open front end, and the open front end of the flow channel plate is fixedly connected with a front cover plate of the circulation air channel.
Preferably, the refrigeration air duct is positioned at the lower end of the rear part of the circulation air duct;
the refrigeration air channel is formed by enclosing a flow channel plate, a refrigeration top plate and the rear side wall, the left side wall and the right side wall of the box body;
the front end face and the rear end face of the refrigeration top plate are respectively fixedly connected with the rear end face of the circulation air duct plate and the rear side wall of the box body;
the left end face and the right end face of the refrigeration top plate are fixedly connected with the left side wall and the right side wall of the box body respectively.
Preferably, the stirring air duct is enclosed by a stirring air duct plate and a front cover plate of the circulation air duct;
the stirring air duct plate is of a box-shaped structure with an open front end, and the open front end of the stirring air duct plate is fixedly connected with the upper portion of the rear end of the front cover plate of the circulation air duct.
Preferably, a flow gap is left between the rear end of the agitating air duct plate and the front end of the flow air duct plate.
Preferably, the circulation air outlet, the stirring air inlet and the stirring air outlet are all arranged on the front cover plate of the circulation air duct;
a circulation air outlet is arranged on the periphery of a circulation air channel front cover plate opposite to the circulation air channel;
a stirring air inlet is formed in the front cover plate of the circulation air channel, which is opposite to the middle part of the stirring air channel;
and a stirring air outlet is formed in the front cover plate of the circulation air channel, which is just opposite to the periphery of the stirring air channel.
Preferably, the circulation air outlet is of a strip-shaped structure.
Preferably, the stirring air outlet is of a strip-shaped structure.
Preferably, the first fan and the second fan are both centrifugal fans.
The utility model also provides a medical refrigerator.
The medical refrigerating box comprises a box body, wherein an air channel capable of improving the temperature uniformity in the box body is arranged in the box body.
The utility model has the beneficial effects that:
the first fan and the ventilation air channel are used for circulating air in the box, so that the air passes through the evaporator to realize refrigeration and cooling; the second fan and the stirring air channel are used for enabling air inside the box body to form turbulent flow, so that the air inside the box body is fully mixed and stirred, the temperature inside the box body is more uniform, and the temperature stratification phenomenon is reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a first schematic perspective view of the air duct capable of improving the temperature uniformity in the cabinet according to the present invention;
FIG. 2 is a second schematic perspective view of the air duct of the present invention for improving the temperature uniformity inside the cabinet;
FIG. 3 is a schematic front view of the air duct of the present invention for improving the temperature uniformity inside the cabinet;
FIG. 4 is a schematic structural view of a circulation duct plate and an agitation duct plate according to the present invention;
FIG. 5 is a schematic view of the flow of air within the duct of the present invention to improve the temperature uniformity within the enclosure;
FIG. 6 is a schematic perspective view of the medical cooler of the present invention;
wherein:
0-box body;
1-a refrigerating air duct, 101-a refrigerating air outlet and 102-a refrigerating top plate;
2-a circulation air channel, 201-a circulation air outlet, 202-a circulation air channel plate, 203-a circulation air channel front cover plate and 204-a circulation gap;
3-stirring air channel 301-stirring air inlet 302-stirring air outlet 303-stirring air channel plate;
4-evaporator, 5-first fan, 6-stirring fan.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present invention, terms such as "upper", "lower", "bottom", "top", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only terms of relationships determined for convenience in describing structural relationships of the components or elements of the present invention, and do not particularly indicate any components or elements of the present invention, and are not to be construed as limiting the present invention.
In the present invention, terms such as "connected" and "connecting" should be interpreted broadly, and mean either a fixed connection or an integral connection or a detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be determined according to specific situations by persons skilled in the relevant scientific or technical field, and are not to be construed as limiting the present invention.
The utility model is further illustrated with reference to the following figures and examples.
Example 1:
as shown in fig. 1-3, an air duct capable of improving the temperature uniformity in a cabinet comprises a refrigeration air duct 1, a circulation air duct 2, and a stirring air duct 3;
the bottom of the refrigerating air duct 1 is communicated with the inner cavity of the box body 0, an evaporator 4 is arranged in the refrigerating air duct 1, and a refrigerating air outlet 101 communicated with the circulating air duct 2 is arranged at the upper part of the refrigerating air duct 1;
a first fan 5 is arranged in the circulation air duct 2 corresponding to the refrigeration air outlet 101; a plurality of circulation air outlets 201 communicated with the inner cavity of the box body 0 are formed in the periphery of the circulation air duct 2;
the stirring air channel 3 is arranged in the circulating air channel 2 at the upper part of the first fan 5; a stirring air inlet 301 communicated with the inner cavity of the box body 0 is formed in the middle of the stirring air channel 3, and a second fan 6 is arranged in the stirring air channel 3 corresponding to the stirring air inlet 301; and a plurality of stirring air outlets 302 communicated with the inner cavity of the box body are arranged around the stirring air channel 3.
Preferably, the circulation air duct 2 is enclosed by a circulation air duct plate 202 and a circulation air duct front cover plate 203;
as shown in fig. 4, the flow duct plate 202 is a box-shaped structure with an open front end, and the open front end of the flow duct plate 202 is fixedly connected to the front cover plate 203 of the ventilation duct.
Specifically, the left and right outer sidewalls of the circulation duct plate 202 are attached to the left and right inner sidewalls of the box 0.
Preferably, the refrigeration air duct 1 is located at the lower end of the rear part of the circulation air duct 2;
the refrigerating air duct 1 is enclosed by a circulation air duct plate 202, a refrigerating top plate 102 and the rear side wall, the left side wall and the right side wall of the box body 0;
the front end face and the rear end face of the refrigeration top plate 102 are respectively and fixedly connected with the rear end face of the circulation air duct plate 202 and the rear side wall of the box body 0;
the left end face and the right end face of the refrigeration top plate 102 are respectively and fixedly connected with the left side wall and the right side wall of the box body 0.
Preferably, the stirring air duct 3 is enclosed by a stirring air duct plate 303 and a front cover plate 203 of the circulation air duct;
as shown in fig. 4, the stirring air duct plate 303 is of a box-shaped structure with an open front end, and the open front end of the stirring air duct plate 303 is fixedly connected to the upper portion of the rear end of the circulation air duct front cover plate 203.
Preferably, a flow gap 204 is left between the rear end of the agitating duct plate 303 and the front end of the flow duct plate 202.
Specifically, gaps are left between the top end of the stirring air duct plate 303 and the top end of the circulation air duct plate 202, between the left end of the stirring air duct plate 303 and the left end of the circulation air duct plate 202, and between the right end of the stirring air duct plate 303 and the right end of the circulation air duct plate 202.
Preferably, the circulation air outlet 201, the stirring air inlet 301 and the stirring air outlet 302 are all arranged on the front cover plate 203 of the flow ventilation channel;
a circulation air outlet 201 is arranged on the periphery of a circulation air duct front cover plate 203 which is opposite to the circulation air duct 2;
a stirring air inlet 301 is formed in the front cover plate 203 of the circulation air duct opposite to the middle of the stirring air duct 3;
and a stirring air outlet 302 is arranged on the front cover plate 203 of the circulation air duct opposite to the periphery of the stirring air duct 3.
Specifically, the circulation outlet 201 is provided at the periphery of the agitation outlet 302; as shown in fig. 3, all the elongated holes of the front cover plate 203 of the air flow duct, which are opposite to the stirring air duct 3, are stirring air outlets 302, and the remaining elongated holes are ventilation air outlets 201.
Preferably, the ventilation outlet 201 is a strip-shaped structure.
Preferably, the agitating air outlet 302 has a long strip-shaped structure.
Preferably, the first fan 5 and the second fan 6 are both centrifugal fans.
The air duct of the application has two groups of fans, and the air flow in the air duct caused by the two groups of fans is shown in figure 5. The first group of fans are first fans 5, are fixed in the refrigeration air duct 1, and are mainly used for forming circulation of air in the box body and the air duct, and are used for sucking hot air with relatively high temperature in the box body 0 from the bottom of the refrigeration air duct 1 (namely circulating air intake), cooling the air by the evaporator 4, circulating cold air cooled by the evaporator 4 to the circulation air duct 2 through the refrigeration air outlet 101 under the action of the first fans 5, and finally blowing the cold air to the interior of the box body 0 from the circulation air outlets 201 under the action of the first fans 5 so as to realize refrigeration and cooling (namely circulating air exhaust); the second group of fans is a second fan 6, the main effect is to mix, circulate and stir the air in the box 0 again, the second fan 6 is arranged in the stirring air duct 3, the stirring air duct 3 is composed of a stirring air duct plate 303 and a circulation air duct front cover plate 203 to form a closed space, although the temperature of the air circulated by the first fan 5 in the box 0 is reduced, the air temperatures at different positions are not uniform, the temperature difference is large, the air with non-uniform temperature inside the box is sucked by the second fan 6 from the front side stirring air inlet 301 and then mixed (namely stirred to enter air), the air direction is changed by the second fan 6, and then the air duct is blown out from the stirring air outlet 302 (namely stirred to exit air), so that the air in the box is mixed, the temperature difference of the air in the box is greatly reduced, the temperature of the air in the box is more uniform, and the occurrence of the temperature stratification phenomenon is reduced. Namely, the first fan 5 and the ventilation duct 2 are used for circulating air in the box, so that the air passes through the evaporator 4 to realize refrigeration and cooling; the second fan 6 and the stirring air channel 3 are used for enabling air inside the box body to form turbulent flow, so that the air inside the box body is fully mixed and stirred, and the temperature inside the box body is more uniform.
Example 2:
a medical refrigerator, as shown in figure 6, comprises a box body 0, wherein an air channel which can improve the temperature uniformity in the box in embodiment 1 is arranged in the box body 0.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the present invention, and it should be understood by those skilled in the art that various modifications and changes may be made without inventive efforts based on the technical solutions of the present invention.
Claims (10)
1. An air duct capable of improving the temperature uniformity in a box is characterized by comprising a refrigeration air duct, a circulation air duct and a stirring air duct;
the bottom of the refrigeration air channel is communicated with the inner cavity of the box body, an evaporator is arranged in the refrigeration air channel, and a refrigeration air outlet communicated with the circulation air channel is arranged at the upper part of the refrigeration air channel;
a first fan is arranged in the circulation air duct corresponding to the refrigeration air outlet; a plurality of circulation air outlets communicated with the inner cavity of the box body are formed in the periphery of the circulation air channel;
the stirring air channel is arranged in the circulation air channel at the upper part of the first fan; a stirring air inlet communicated with the inner cavity of the box body is formed in the middle of the stirring air channel, and a second fan is arranged in the stirring air channel corresponding to the stirring air inlet; and a plurality of stirring air outlets communicated with the inner cavity of the box body are formed around the stirring air channel.
2. The air duct capable of improving the temperature uniformity in the box according to claim 1, wherein the circulation air duct is enclosed by a flow air duct plate and a flow air duct front cover plate;
the flow channel plate is of a box-shaped structure with an open front end, and the open front end of the flow channel plate is fixedly connected with a front cover plate of the circulation air channel.
3. The air duct capable of improving the temperature uniformity in the cabinet as claimed in claim 2, wherein the cooling air duct is located at the lower end of the rear portion of the circulation air duct;
the refrigeration air channel is formed by enclosing a flow channel plate, a refrigeration top plate and the rear side wall, the left side wall and the right side wall of the box body;
the front end face and the rear end face of the refrigeration top plate are respectively fixedly connected with the rear end face of the circulation air duct plate and the rear side wall of the box body;
the left end face and the right end face of the refrigeration top plate are fixedly connected with the left side wall and the right side wall of the box body respectively.
4. The air duct capable of improving the temperature uniformity in the box according to claim 2, wherein the stirring air duct is enclosed by a stirring air duct plate and a front cover plate of the circulation air duct;
the stirring air duct plate is of a box-shaped structure with an open front end, and the open front end of the stirring air duct plate is fixedly connected with the upper portion of the rear end of the front cover plate of the circulation air duct.
5. The air duct capable of improving the temperature uniformity in the cabinet as claimed in claim 4, wherein a flow gap is left between the rear end of the agitating air duct plate and the front end of the flow air duct plate.
6. The air duct capable of improving the temperature uniformity in the box according to claim 2, wherein the circulation air outlet, the stirring air inlet and the stirring air outlet are all arranged on a front cover plate of the flow air duct;
a circulation air outlet is arranged on the periphery of a circulation air channel front cover plate opposite to the circulation air channel;
a stirring air inlet is formed in the front cover plate of the circulation air channel, which is opposite to the middle part of the stirring air channel;
and a stirring air outlet is formed in the front cover plate of the circulation air channel, which is just opposite to the periphery of the stirring air channel.
7. The air duct capable of improving the temperature uniformity in the box according to claim 1, wherein the ventilation outlet is of a strip-shaped structure.
8. The air duct capable of improving the temperature uniformity in the box according to claim 1, wherein the agitating air outlet is in a strip-shaped structure.
9. The air duct capable of improving the temperature uniformity in the box according to claim 1, wherein the first fan and the second fan are both centrifugal fans.
10. A medical refrigerator, comprising a box body, characterized in that the box body is internally provided with an air duct which can improve the temperature uniformity in the box body according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122227098.2U CN216245083U (en) | 2021-09-15 | 2021-09-15 | Air duct capable of improving temperature uniformity in refrigerator and medical refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122227098.2U CN216245083U (en) | 2021-09-15 | 2021-09-15 | Air duct capable of improving temperature uniformity in refrigerator and medical refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216245083U true CN216245083U (en) | 2022-04-08 |
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ID=80986081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122227098.2U Active CN216245083U (en) | 2021-09-15 | 2021-09-15 | Air duct capable of improving temperature uniformity in refrigerator and medical refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216245083U (en) |
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2021
- 2021-09-15 CN CN202122227098.2U patent/CN216245083U/en active Active
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