CN216409431U - Refrigerating and freezing device - Google Patents
Refrigerating and freezing device Download PDFInfo
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- CN216409431U CN216409431U CN202122628715.XU CN202122628715U CN216409431U CN 216409431 U CN216409431 U CN 216409431U CN 202122628715 U CN202122628715 U CN 202122628715U CN 216409431 U CN216409431 U CN 216409431U
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Abstract
The present invention relates to a refrigerating and freezing device, comprising: the compressor comprises a box body, a lower compressor bin and an upper compressor bin, wherein the lower compressor bin is formed at the bottom of the box body; and a cascade compression refrigeration system comprising: a high-temperature-stage refrigeration cycle circuit having a first compressor, a high-temperature-stage condenser, and an evaporation unit; the low-temperature stage refrigeration circulation loop is provided with a second compressor, a low-temperature stage radiator, a condensing part and a low-temperature stage evaporator, wherein the condensing part is thermally connected with the evaporating part; the cooling fan is used for cooling the high-temperature-level condenser and/or the low-temperature-level radiator; the first compressor, the high-temperature-stage condenser, the second compressor, the low-temperature-stage radiator and the at least one cooling fan are dispersedly arranged in the upper compressor bin and the lower compressor bin. The refrigerating and freezing device is reasonable in structural layout, and the refrigerating and freezing device with small width can also adopt the cascade compression refrigeration system to realize the low-temperature fresh-keeping function.
Description
Technical Field
The utility model relates to a refrigeration and freezing technology, in particular to a refrigeration and freezing device.
Background
The low temperature (-50 ℃ to-80 ℃) has better fresh-keeping effect on food materials, particularly meat. In order to realize the low-temperature fresh-keeping effect of a household refrigerator or a freezer, a cascade refrigeration system can be adopted to realize a low-temperature environment. In order to reduce the heat load of the condensing evaporator, an air-cooled radiator is often added at the outlet of the low-temperature stage compressor. The purpose of the air-cooled radiator is to reduce the heat load of the high-temperature stage, thereby ensuring the normal cooling of the refrigerating chamber and the common freezing chamber in the process of realizing low temperature. Conventional cascade refrigeration systems also typically require one to two heat rejection fans to remove heat from the high temperature stage condenser and the low temperature stage heat sink. The whole cascade refrigeration system has a plurality of components, wherein the components such as a high-temperature-stage compressor, a low-temperature-stage compressor, a heat radiation fan, a high-temperature-stage condenser and a low-temperature-stage radiator need to be arranged in a compressor bin, so that the occupied transverse space is large, and the width of a refrigeration and freezing device such as a refrigerator is greatly increased, therefore, if the compressor bin is not reasonably designed, some household small refrigeration and freezing devices with small width cannot adopt the cascade refrigeration system to realize the low-temperature function.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to overcome at least one of the disadvantages of the prior art and to provide a refrigerating and freezing apparatus having a cascade refrigeration system which is structurally configured to avoid occupying a large space in the lateral direction.
It is a further object of the present invention to increase the flexibility of the manner in which the refrigeration chiller is installed.
In order to achieve the above object, the present invention provides a refrigerating and freezing apparatus comprising:
the compressor comprises a box body, a compressor body and a compressor body, wherein a lower compressor bin is formed at the bottom of the box body, and an upper compressor bin is formed at the top of the box body; and
a cascade compression refrigeration system comprising:
a high-temperature-stage refrigeration cycle circuit having a first compressor, a high-temperature-stage condenser, and an evaporation unit;
a low-temperature-stage refrigeration cycle circuit having a second compressor, a low-temperature-stage radiator, a condensing portion, and a low-temperature-stage evaporator, the condensing portion being thermally connected to the evaporating portion; and
at least one heat dissipation fan for dissipating heat of the high-temperature-stage condenser and/or the low-temperature-stage radiator; wherein
The first compressor, the high-temperature-stage condenser, the second compressor, the low-temperature-stage radiator and the at least one cooling fan are dispersedly arranged in the upper compressor bin and the lower compressor bin.
Optionally, the number of the heat radiation fans is one; and is
One of the first compressor and the second compressor is disposed within the upper compressor compartment, and the other of the first compressor and the second compressor, the high temperature stage condenser, the low temperature stage radiator, and the radiator fan is disposed within the lower compressor compartment.
Optionally, the first compressor is disposed within the lower compressor bin and the second compressor is disposed within the upper compressor bin; and is
The high-temperature-stage condenser, the low-temperature-stage radiator and the cooling fan are all located on the same side of the first compressor, and the high-temperature-stage condenser is arranged close to the first compressor.
Optionally, the second compressor is disposed within the lower compressor bin and the first compressor is disposed within the upper compressor bin; and is
The high-temperature-stage condenser, the low-temperature-stage radiator and the cooling fan are all located on the same side of the second compressor, and the low-temperature-stage radiator is arranged close to the second compressor.
Optionally, a lower air inlet and a lower air outlet are respectively formed at two lateral sides of the lower compressor bin; and is
The high-temperature-level condenser, the low-temperature-level radiator and the cooling fan are all vertically arranged and are arranged on an airflow flow path between the lower air inlet and the lower air outlet side by side along any sequence.
Optionally, the bottom of the lower compressor bin is provided with a lower air inlet and a lower air outlet which are respectively adjacent to two transverse sides of the lower compressor bin; and is
The high-temperature-level condenser, the low-temperature-level radiator and the cooling fan are all vertically arranged and are arranged on an airflow flow path between the lower air inlet and the lower air outlet side by side along any sequence.
Optionally, the bottom of the lower compressor bin is provided with a lower air inlet and a lower air outlet which are respectively adjacent to two transverse sides of the lower compressor bin; and is
The high-temperature-stage condenser covers above one of the lower air inlet and the lower air outlet, the low-temperature-stage radiator covers above the other of the lower air inlet and the lower air outlet, and the cooling fan is vertically arranged on an airflow flow path between the lower air inlet and the lower air outlet.
Optionally, the number of the heat radiation fans is one; and is
The first compressor, the high-temperature-stage condenser and the cooling fan are arranged in the lower compressor bin, and the second compressor and the low-temperature-stage radiator are arranged in the upper compressor bin; or the first compressor, the high-temperature-stage condenser and the cooling fan are arranged in the upper compressor bin, and the second compressor and the low-temperature-stage radiator are arranged in the lower compressor bin.
Optionally, the number of the heat radiation fans is two; and is
The first compressor, the high temperature stage condenser and one of the heat dissipation fans are arranged in the lower compressor compartment, and the second compressor, the low temperature stage radiator and the other heat dissipation fan are arranged in the upper compressor compartment; or the first compressor, the high-temperature-stage condenser and one of the heat dissipation fans are arranged in the upper compressor bin, and the second compressor, the low-temperature-stage radiator and the other heat dissipation fan are arranged in the lower compressor bin.
Optionally, the bottom of the lower compressor bin is provided with a lower air inlet and a lower air outlet which are respectively adjacent to two transverse sides of the lower compressor bin; alternatively, the first and second electrodes may be,
a lower air inlet and a lower air outlet are respectively formed in the two transverse sides of the lower compressor bin; or
The top of the upper compressor bin is provided with an upper air inlet and an upper air outlet which are respectively adjacent to the two transverse sides of the upper compressor bin; or
And an upper air inlet and an upper air outlet are respectively formed in the two transverse sides of the upper compressor bin.
The refrigeration and freezing device not only forms the traditional lower compressor bin at the bottom of the box body, but also forms an additional upper compressor bin at the top of the box body, and dispersedly arranges the first compressor, the high-temperature-stage condenser, the second compressor, the low-temperature-stage radiator and the cooling fan of the cascade compression refrigeration system in the upper compressor bin and the lower compressor bin, thereby avoiding the problem that the transverse size of the lower compressor bin is larger because the first compressor, the high-temperature-stage condenser, the second compressor, the low-temperature-stage radiator and the cooling fan are all arranged in the lower compressor bin.
Furthermore, the lower air inlet and the lower air outlet of the lower compressor bin are arranged at the bottom of the lower compressor bin, components in the lower compressor bin are cooled in a bottom air inlet and bottom air outlet mode, and heat dissipation spaces do not need to be reserved on two sides of the refrigerating and freezing device, so that the refrigerating and freezing device can be installed in a common mode and can also be installed in an embedded mode, and the flexibility of the installation mode of the refrigerating and freezing device is improved.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the utility model will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic rear view of a refrigeration freezer in accordance with one embodiment of the utility model;
figure 2 is a schematic block diagram of a cascade compression refrigeration system of a refrigeration chiller according to one embodiment of the present invention;
fig. 3 is a schematic structural view of a compressor compartment of a refrigeration freezer according to one embodiment of the present invention;
fig. 4 is a schematic structural view of a compressor compartment of a refrigerating and freezing apparatus according to another embodiment of the present invention;
fig. 5 is a schematic structural view of a compressor compartment of a refrigerating and freezing apparatus according to still another embodiment of the present invention;
fig. 6 is a schematic structural view of a compressor compartment of a refrigerating and freezing apparatus according to still another embodiment of the present invention.
Detailed Description
Fig. 1 is a schematic rear view of a refrigeration and freezing apparatus according to an embodiment of the present invention, and a part of a back plate structure of the refrigeration and freezing apparatus is hidden in fig. 1 in order to show a specific structure of the refrigeration and freezing apparatus. Fig. 2 is a schematic block diagram of a cascade compression refrigeration system of a refrigeration freezer in accordance with one embodiment of the present invention. Referring to fig. 1 and 2, the refrigerating and freezing apparatus 1 of the present invention includes a cabinet 10 and a cascade compression refrigeration system 20.
The cascade compression refrigeration system 20 includes a high temperature stage refrigeration cycle circuit, a low temperature stage refrigeration cycle circuit, and at least one radiator fan 23. The high-temperature-stage refrigeration cycle loop and the low-temperature-stage refrigeration cycle loop are respectively circulated with a high-temperature-stage refrigerant and a low-temperature-stage refrigerant. The high-temperature stage refrigeration cycle circuit has a first compressor 211, a high-temperature stage condenser 212, and an evaporation portion 213. Further, the high temperature stage refrigeration cycle circuit also has a first throttling device 214, and specifically, the first throttling device 214 may be specifically a capillary tube. The low-temperature-stage refrigeration cycle circuit has a second compressor 221, a low-temperature-stage radiator 222, a condensing portion 223, and a low-temperature-stage evaporator 224. Further, the low-temperature stage refrigeration cycle circuit 22 also has a second throttling device 225. In particular, the second restriction 225 may be in particular a capillary tube. The condensation portion 223 of the low-temperature-stage refrigeration cycle circuit 22 is thermally connected to the evaporation portion 213 of the high-temperature-stage refrigeration cycle circuit, that is, heat exchange is possible between the condensation portion 223 and the evaporator 213. Specifically, the condensing portion 223 and the evaporator 213 may form an integrated evaporative condenser. The at least one cooling fan 23 is used for cooling the high-temperature-stage condenser 212 and/or the low-temperature-stage radiator 222, so as to improve the heat exchange effect of the high-temperature-stage condenser 212 and the cooling effect of the low-temperature-stage radiator 222.
Specifically, the bottom of the casing 10 is formed with a lower compressor bin 11, and the top of the casing 10 is formed with an upper compressor bin 12. That is, two compressor compartments are formed in the casing 10 at the top and bottom thereof. The first compressor 211, the high temperature stage condenser 212, the second compressor 221, the low temperature stage radiator 222, and the at least one radiator fan 23 are dispersedly disposed within the upper compressor bin 12 and the lower compressor bin 11. It will be appreciated that since the heat rejection blower 23 is used to reject heat from at least one of the high temperature stage condenser 212 and the low temperature stage radiator 222, the heat rejection blower 23 is not separately disposed within one of the compressor compartments.
The refrigeration and freezing device 1 of the utility model not only forms the traditional lower compressor bin 11 at the bottom of the box body 10, but also forms the additional upper compressor bin 12 at the top of the box body 10, and dispersedly arranges the first compressor 211, the high-temperature-stage condenser 212, the second compressor 221, the low-temperature-stage radiator 222 and the cooling fan 23 of the cascade compression refrigeration system 20 in the upper compressor bin 12 and the lower compressor bin 11, thereby avoiding the problem of larger transverse size of the lower compressor bin caused by the arrangement of the first compressor 211, the high-temperature-stage condenser 212, the second compressor 221, the low-temperature-stage radiator 222 and the cooling fan 23 in the lower compressor bin, having very reasonable structural layout, and leading the small-width refrigeration and freezing device to realize the low-temperature fresh-keeping function by adopting the cascade compression refrigeration system 20.
Fig. 3 is a schematic structural view of a compressor compartment of a refrigerating and freezing apparatus according to an embodiment of the present invention. Referring to fig. 3, in some embodiments, the number of the heat dissipation fans 23 is one. One of the first compressor 211 and the second compressor 221 is disposed in the upper compressor compartment 12, and the other of the first compressor 211 and the second compressor 221, the high-temperature stage condenser 212, the low-temperature stage radiator 222, and the radiator fan 23 are disposed in the lower compressor compartment 11. That is to say, only one of the compressors is disposed in the upper compressor compartment 12, and the other compressor, the high-temperature-stage condenser 212, the low-temperature-stage radiator 222 and the cooling fan 23 are disposed in the lower compressor compartment 11, so that the high-temperature-stage condenser 212 and the low-temperature-stage radiator 222 are cooled by using one cooling fan 23, which not only ensures the cooling effect of the low-temperature-stage radiator 222 and the high-temperature-stage condenser 212, but also reduces the number of the cooling fans 23, simplifies the structure of the cascade compression refrigeration system 20, is beneficial to realizing the miniaturization of the cooling structure, and further ensures that the cascade compression refrigeration system 20 can be applied to a household small-sized refrigeration device.
In a particular embodiment, the first compressor 211 is disposed within the lower compressor compartment 11 and the second compressor 221 is disposed within the upper compressor compartment 12. The high-temperature-stage condenser 212, the low-temperature-stage radiator 222 and the radiator fan 23 are all located on the same side of the first compressor 211, so that the radiator fan 23 can be used for radiating heat of the high-temperature-stage condenser 212 and the low-temperature-stage radiator 222 at the same time. Since the first compressor 211 is connected in the same refrigerant circuit as the high temperature stage condenser 212, the high temperature stage condenser 212 is preferably disposed adjacent the first compressor 211 to facilitate the placement of refrigerant lines connected between the high temperature stage condenser 212 and the first compressor 211 to avoid refrigerant lines that are overly lengthy or cluttered.
In another specific embodiment, the second compressor 221 may also be disposed within the lower compressor compartment 11 and, correspondingly, the first compressor 211 is disposed within the upper compressor compartment 12. The high-temperature-stage condenser 212, the low-temperature-stage radiator 222 and the radiator fan 23 are all located on the same side of the second compressor 221, so that the radiator fan 23 can be used for radiating heat of the high-temperature-stage condenser 212 and the low-temperature-stage radiator 222 at the same time. Likewise, to facilitate placement of refrigerant lines connected between the low temperature stage heat sink 222 and the second compressor 221, avoiding refrigerant lines being excessively lengthy or cluttered, the low temperature stage heat sink 222 is preferably placed adjacent the second compressor 221.
In some embodiments, the lower compressor housing 11 is provided with a lower air inlet 111 and a lower air outlet 112 at two lateral sides thereof. The high-temperature-stage condenser 212, the low-temperature-stage radiator 222, and the radiator fan 23 are all vertically disposed, and are arranged side by side in any order on the airflow flow path between the lower air intake 111 and the lower air outlet 112. Therefore, when the heat dissipation fan 23 is operated, air outside the box body 10 directly enters the lower compressor compartment 11 through the lower air inlet 111, and flows out from the lower air outlet 112 after passing through the high-temperature-stage condenser 212 and the low-temperature-stage radiator 222 approximately vertically, so that on one hand, each area of the high-temperature-stage condenser 212 and the low-temperature-stage radiator 222 can be effectively contacted with air flow, and the high-temperature-stage condenser 212 and the low-temperature-stage radiator 222 can be dissipated more fully and more uniformly; on the other hand, the airflow hardly changes any flow direction in the lower compressor compartment 11, which reduces airflow resistance as much as possible, ensures that the airflow flows through the high-temperature-stage condenser 212 and the low-temperature-stage radiator 222 at a high flow rate, and improves heat dissipation effect.
Specifically, the high-temperature-stage condenser 212 and the low-temperature-stage radiator 222 may be respectively located at both lateral sides of the radiator fan 23, or may be located at the same side of the radiator fan 23. The high-temperature stage condenser 212 may be located upstream of the low-temperature stage radiator 222 or downstream of the low-temperature stage radiator 222 on the airflow flow path between the lower intake vent 111 and the lower outlet vent 112.
Fig. 4 is a schematic structural view of a compressor compartment of a refrigerating and freezing apparatus according to another embodiment of the present invention. Referring to fig. 4, in other embodiments, the bottom of the lower compressor housing 11 is provided with a lower air inlet 111 and a lower air outlet 112 respectively adjacent to two lateral sides thereof. That is to say, the lower air inlet 111 and the lower air outlet 112 of the lower compressor compartment 11 can be opened at the bottom of the lower compressor compartment 11 to dissipate heat of the components in the lower compressor compartment 11 by using the bottom air inlet and outlet modes, and therefore, heat dissipation spaces do not need to be reserved on two sides of the refrigerating and freezing device 1, and therefore, the refrigerating and freezing device 1 can be installed in a common mode and can also be installed in an embedded mode, and the flexibility of the installation mode of the refrigerating and freezing device 1 is improved.
In a further embodiment, referring to fig. 4, the high temperature stage condenser 212, the low temperature stage radiator 222, and the radiator fan 23 are all vertically disposed along the airflow path between the lower intake 111 and the lower outlet 112 in any order side-by-side. Therefore, when the heat dissipation fan 23 is operated, the air outside the box 10 enters the lower compressor compartment 11 through the lower air inlet 111 at the bottom, and after reversing, passes through the high-temperature-stage condenser 212 and the low-temperature-stage radiator 222, and finally reverses again to flow out from the lower air outlet 112 at the bottom. Similarly, the high-temperature-stage condenser 212 and the low-temperature-stage radiator 222 may be respectively located at both lateral sides of the radiator fan 23, or may be located at the same side of the radiator fan 23. The high-temperature stage condenser 212 may be located upstream of the low-temperature stage radiator 222 or downstream of the low-temperature stage radiator 222 on the airflow flow path between the lower intake vent 111 and the lower outlet vent 112.
In another further embodiment, the high-temperature stage condenser 212 is covered over one of the lower intake vent 111 and the lower outlet vent 112, the low-temperature stage radiator 222 is covered over the other of the lower intake vent 111 and the lower outlet vent 112, and the radiator fan 23 is vertically disposed on the airflow flow path between the lower intake vent 111 and the lower outlet vent 112. Thus, the air flow flowing to the lower compressor compartment 11 through the lower air inlet 111 can vertically pass through the high-temperature-stage condenser 212 or the low-temperature-stage radiator 222, and it is ensured that each area of the high-temperature-stage condenser 212 and the low-temperature-stage radiator 222 can effectively contact with the air flow, so as to more fully and uniformly radiate the heat of the high-temperature-stage condenser 212 and the low-temperature-stage radiator 222.
Fig. 5 is a schematic structural view of a compressor compartment of a refrigerating and freezing apparatus according to still another embodiment of the present invention. Referring to fig. 5, in some embodiments, the number of the heat dissipation fans 23 is one. The first compressor 211, the high-temperature stage condenser 212, and the radiator fan 23 are disposed in the lower compressor compartment 11, and the second compressor 221 and the low-temperature stage radiator 222 are disposed in the upper compressor compartment 12. In other embodiments similar to that shown in fig. 5, the first compressor 211, the high temperature stage condenser 212, and the radiator fan 23 are disposed within the upper compressor compartment 12, and the second compressor 221 and the low temperature stage radiator 222 are disposed within the lower compressor compartment 11. That is, components belonging to the high-temperature stage refrigeration cycle circuit and the low-temperature stage refrigeration cycle circuit may be provided in the upper compressor compartment 12 and the lower compressor compartment 11, respectively. Meanwhile, applicants have recognized that since the refrigerant undergoes a phase change as it flows through the high temperature stage condenser 212, the refrigerant does not undergo a phase change as it flows through the low temperature stage radiator 222. Thus, the heat rejection requirements of the high temperature stage condenser 212 are greater than the low temperature stage radiator 222. Therefore, the heat radiation fan 23 and the high-temperature-stage condenser 212 are arranged in the same compressor bin, so that the high-temperature-stage condenser 212 is radiated, and the heat exchange effect is improved.
Further, the lower air inlet 111 and the lower air outlet 112 of the lower compressor housing 11 may be respectively disposed at two lateral sides of the lower compressor housing 11. At this time, the high-temperature-stage condenser 212 and the cooling fan 23 located in the lower compressor compartment 11 may be vertically placed, so that the cooling fan 23 is used to perform uniform cooling on the high-temperature-stage condenser 212; alternatively, the low-temperature-stage radiator 222 located in the lower compressor compartment 11 may be vertically placed to radiate heat from the low-temperature-stage radiator 222 by means of natural convection. Similarly, the upper compressor housing 12 may also have an upper air inlet 121 and an upper air outlet 122 respectively opened at both lateral sides thereof.
Of course, the lower air inlet 111 and the lower air outlet 112 of the lower compressor compartment 11 may also be respectively opened at the bottom of the lower compressor compartment 11. The upper air inlet 121 and the upper air outlet 122 of the upper compressor bin 12 may also be respectively opened at the top of the upper compressor bin 11.
Fig. 6 is a schematic structural view of a compressor compartment of a refrigerating and freezing apparatus according to still another embodiment of the present invention. Referring to fig. 6, in some embodiments, the number of the heat dissipation fans 23 may be two. The first compressor 211, the high temperature stage condenser 212 and one of the radiator fans 23 are disposed in the lower compressor compartment 11, and the second compressor 221, the low temperature stage radiator 222 and the other radiator fan 23 are disposed in the upper compressor compartment 12. In other embodiments similar to that shown in fig. 6, the first compressor 211, the high temperature stage condenser 212, and one of the heat rejection fans 23 are disposed within the upper compressor compartment 12, and the second compressor 221, the low temperature stage heat rejection radiator 222, and the other heat rejection fan 23 are disposed within the lower compressor compartment 11. That is, components belonging to the high-temperature stage refrigeration cycle circuit and the low-temperature stage refrigeration cycle circuit may be provided in the upper compressor compartment 12 and the lower compressor compartment 11, respectively. Meanwhile, a heat radiation fan 23 is respectively arranged in the upper compressor bin 12 and the lower compressor bin 11 to respectively radiate the low-temperature-stage radiator 222 and the high-temperature-stage condenser 212, so that the high-temperature-stage condenser 212 and the low-temperature-stage radiator 222 are ensured to have good heat radiation effects.
Further, the lower air inlet 111 and the lower air outlet 112 of the lower compressor housing 11 may be respectively disposed at two lateral sides of the lower compressor housing 11. At this time, the high-temperature-stage condenser 212 and the cooling fan 23 located in the lower compressor compartment 11 may be vertically placed, so that the cooling fan 23 is used to perform uniform cooling on the high-temperature-stage condenser 212; alternatively, the low-temperature-stage radiator 222 and the radiator fan 23 located in the lower compressor compartment 11 may be vertically placed to perform uniform heat radiation on the low-temperature-stage radiator 222 by using the radiator fan 23. Similarly, the upper compressor housing 12 may also have an upper air inlet 121 and an upper air outlet 122 respectively opened at both lateral sides thereof.
Of course, the lower air inlet 111 and the lower air outlet 112 of the lower compressor compartment 11 may also be respectively opened at the bottom of the lower compressor compartment 11. The upper air inlet 121 and the upper air outlet 122 of the upper compressor bin 12 may also be respectively opened at the top of the upper compressor bin 11.
It will be understood by those skilled in the art that the refrigerating and freezing device 1 of the present invention includes not only a refrigerator but also a storage device having refrigerating, freezing or other storage functions, such as a refrigerator, a freezer, etc.
It should also be understood by those skilled in the art that the terms "upper", "lower", "front", "back", "top", "bottom", and the like used in the embodiments of the present invention are used with reference to the actual usage of the refrigeration and freezing apparatus 1, and these terms are only used for convenience of describing and understanding the technical solution of the present invention, and do not indicate or imply that the apparatus or components referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the utility model have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the utility model may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the utility model. Accordingly, the scope of the utility model should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. A refrigeration freezer apparatus, comprising:
the compressor comprises a box body, a compressor body and a compressor body, wherein a lower compressor bin is formed at the bottom of the box body, and an upper compressor bin is formed at the top of the box body; and
a cascade compression refrigeration system comprising:
a high-temperature-stage refrigeration cycle circuit having a first compressor, a high-temperature-stage condenser, and an evaporation unit;
a low-temperature-stage refrigeration cycle circuit having a second compressor, a low-temperature-stage radiator, a condensing portion, and a low-temperature-stage evaporator, the condensing portion being thermally connected to the evaporating portion; and
at least one heat dissipation fan for dissipating heat of the high-temperature-stage condenser and/or the low-temperature-stage radiator; wherein
The first compressor, the high-temperature-stage condenser, the second compressor, the low-temperature-stage radiator and the at least one cooling fan are dispersedly arranged in the upper compressor bin and the lower compressor bin.
2. A refrigerator-freezer according to claim 1,
the number of the heat radiation fans is one; and is
One of the first compressor and the second compressor is disposed within the upper compressor compartment, and the other of the first compressor and the second compressor, the high temperature stage condenser, the low temperature stage radiator, and the radiator fan is disposed within the lower compressor compartment.
3. A refrigerator-freezer according to claim 2,
the first compressor is arranged in the lower compressor bin, and the second compressor is arranged in the upper compressor bin; and is
The high-temperature-stage condenser, the low-temperature-stage radiator and the cooling fan are all located on the same side of the first compressor, and the high-temperature-stage condenser is arranged close to the first compressor.
4. A refrigerator-freezer according to claim 2,
the second compressor is arranged in the lower compressor bin, and the first compressor is arranged in the upper compressor bin; and is
The high-temperature-stage condenser, the low-temperature-stage radiator and the cooling fan are all located on the same side of the second compressor, and the low-temperature-stage radiator is arranged close to the second compressor.
5. A refrigerator-freezer according to claim 2,
a lower air inlet and a lower air outlet are respectively formed in the two transverse sides of the lower compressor bin; and is
The high-temperature-level condenser, the low-temperature-level radiator and the cooling fan are all vertically arranged and are arranged on an airflow flow path between the lower air inlet and the lower air outlet side by side along any sequence.
6. A refrigerator-freezer according to claim 2,
the bottom of the lower compressor bin is provided with a lower air inlet and a lower air outlet which are respectively adjacent to the two transverse sides of the lower compressor bin; and is
The high-temperature-level condenser, the low-temperature-level radiator and the cooling fan are all vertically arranged and are arranged on an airflow flow path between the lower air inlet and the lower air outlet side by side along any sequence.
7. A refrigerator-freezer according to claim 2,
the bottom of the lower compressor bin is provided with a lower air inlet and a lower air outlet which are respectively adjacent to the two transverse sides of the lower compressor bin; and is
The high-temperature-stage condenser covers above one of the lower air inlet and the lower air outlet, the low-temperature-stage radiator covers above the other of the lower air inlet and the lower air outlet, and the cooling fan is vertically arranged on an airflow flow path between the lower air inlet and the lower air outlet.
8. A refrigerator-freezer according to claim 1,
the number of the heat radiation fans is one; and is
The first compressor, the high-temperature-stage condenser and the cooling fan are arranged in the lower compressor bin, and the second compressor and the low-temperature-stage radiator are arranged in the upper compressor bin; or the first compressor, the high-temperature-stage condenser and the cooling fan are arranged in the upper compressor bin, and the second compressor and the low-temperature-stage radiator are arranged in the lower compressor bin.
9. A refrigerator-freezer according to claim 1,
the number of the heat radiation fans is two; and is
The first compressor, the high temperature stage condenser and one of the heat dissipation fans are arranged in the lower compressor compartment, and the second compressor, the low temperature stage radiator and the other heat dissipation fan are arranged in the upper compressor compartment; or the first compressor, the high-temperature-stage condenser and one of the heat dissipation fans are arranged in the upper compressor bin, and the second compressor, the low-temperature-stage radiator and the other heat dissipation fan are arranged in the lower compressor bin.
10. A refrigerator-freezer according to claim 8 or 9,
the bottom of the lower compressor bin is provided with a lower air inlet and a lower air outlet which are respectively adjacent to the two transverse sides of the lower compressor bin; alternatively, the first and second electrodes may be,
a lower air inlet and a lower air outlet are respectively formed in the two transverse sides of the lower compressor bin; or
The top of the upper compressor bin is provided with an upper air inlet and an upper air outlet which are respectively adjacent to the two transverse sides of the upper compressor bin; or
And an upper air inlet and an upper air outlet are respectively formed in the two transverse sides of the upper compressor bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122628715.XU CN216409431U (en) | 2021-10-29 | 2021-10-29 | Refrigerating and freezing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122628715.XU CN216409431U (en) | 2021-10-29 | 2021-10-29 | Refrigerating and freezing device |
Publications (1)
| Publication Number | Publication Date |
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| CN216409431U true CN216409431U (en) | 2022-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122628715.XU Active CN216409431U (en) | 2021-10-29 | 2021-10-29 | Refrigerating and freezing device |
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| Country | Link |
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| CN (1) | CN216409431U (en) |
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2021
- 2021-10-29 CN CN202122628715.XU patent/CN216409431U/en active Active
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