CN218884378U - Refrigerating and freezing device - Google Patents
Refrigerating and freezing device Download PDFInfo
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- CN218884378U CN218884378U CN202222305146.XU CN202222305146U CN218884378U CN 218884378 U CN218884378 U CN 218884378U CN 202222305146 U CN202222305146 U CN 202222305146U CN 218884378 U CN218884378 U CN 218884378U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The utility model relates to a cold-stored refrigeration device, including the box, the box includes shell body and at least one interior casing. The space in every interior casing is used for the storing at least, and every interior casing sets up in the shell body, and the interval between shell body and the interior casing is the vacuum cavity. The utility model relates to a cold-stored refrigeration device utilizes the vacuum cavity to fall the heat conduction of box to very low, makes the box have extremely low coefficient of heat conductivity. Correspondingly, the box body can be thinner, so that the volume ratio of the refrigerating and freezing device is higher, heat-insulating materials are not used, and the pollution to the environment during the post-treatment of the heat-insulating materials is avoided.
Description
Technical Field
The utility model relates to a refrigerating plant field especially relates to a cold-stored refrigeration device.
Background
At present, the heat insulation material for the refrigerator is mainly prepared by mixing a black material (polyurethane) and a white material according to different proportions, and although the white material is continuously improved in the technical development process of recent decades, the black material serving as the most basic foaming material still has no substitute. At present, cyclopentane is mainly used as a white material, but the expansibility of cyclopentane is not very good, cyclopentane has very strong flammability, certain danger exists in the use process, and strict safety requirements are imposed on equipment used. At present, the heat conductivity coefficient of a polyurethane foaming material used in a refrigerator is about 24 mW/(m.K), and polyurethane is difficult to degrade in a natural environment and generates toxic substances such as cyanic acid and the like when being combusted, so that a heat preservation technology with lower heat conductivity coefficient and more environment-friendly property needs to be found at present. The heat preservation technology of the existing refrigerator is mainly developed by improving the heat preservation performance of foaming materials, such as a vacuum auxiliary forming technology, a non-nozzle high-pressure mixing technology, a three-component premixing technology and the like. The new technologies improve the heat preservation performance of the polyurethane foam heat preservation material by increasing the uniformity of the polyurethane foam heat preservation material, and the heat preservation material of the refrigerator is not changed.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the present invention has been made in order to provide a refrigerating and freezing device which overcomes the above problems or at least partially solves the above problems, and which can achieve the heat preservation of a box body without using a heat insulating material, and achieve the effect of not only improving the heat preservation performance but also not polluting the environment.
The utility model provides a refrigeration and freezing device, which comprises a box body, wherein the box body comprises an outer shell and at least one inner shell; every interior inner space is used for the storing at least, every interior casing set up in the shell, just the shell with the interval between the interior casing is the vacuum cavity.
Optionally, the refrigeration freezer further comprises a plurality of first supports; each first support is cylindrical and is made of a vacuum insulation plate;
a plurality of first supports disposed between the outer shell and the inner shell; and two ends of each first supporting piece are respectively bonded with the outer shell and the inner shell through heat insulation glue.
Optionally, the inner shell is multiple, and a plurality of second supports are arranged between each two adjacent inner shells; each second support is cylindrical and is made of a vacuum insulation plate; and two ends of each second supporting piece are respectively bonded with the corresponding inner shell through heat insulation glue.
Optionally, the surface of the inner shell for defining the vacuum cavity is provided with a ceramic heat insulation layer and a radiation-proof metal layer which are sequentially arranged along the direction towards the outer shell.
Optionally, a compressor bin shell is arranged on the outer side of the outer shell, and the compressor bin shell and the outer shell define a compressor bin;
the inner housing comprises a first inner housing;
the refrigerating and freezing apparatus further comprises:
the first evaporator is arranged in the first inner shell, and an inlet and an outlet of the first evaporator are both connected with a first refrigerant pipeline;
the first installation pipe is made of a vacuum insulation plate, the first installation pipe is communicated with the space in the compressor bin and the first inner shell, and two ends of the first installation pipe are respectively bonded with the outer shell and the first inner shell; the number of the first installation pipes is one, the two first refrigerant pipelines penetrate through the first installation pipes, and aerogel is filled in gaps between the two first refrigerant pipelines and the inner walls of the first installation pipes; or, the number of the first installation pipes is two, each first refrigerant pipeline penetrates through one first installation pipe, and a gap between each first refrigerant pipeline and the inner wall of the corresponding first installation pipe is filled with aerogel.
Optionally, the inner housing further comprises a second inner housing;
the refrigerating and freezing apparatus further comprises:
the second evaporator is arranged in the second inner shell, and an inlet and an outlet of the second evaporator are both connected with a second refrigerant pipeline;
the second mounting pipe is made of a vacuum insulation plate, the second mounting pipe is communicated with the space in the compressor bin and the second inner shell, and two ends of the second mounting pipe are respectively bonded with the outer shell and the second inner shell; the number of the second installation pipes is one, the two second refrigerant pipelines penetrate through the second installation pipes, and aerogel is filled in gaps between the two second refrigerant pipelines and the inner walls of the second installation pipes; or the number of the second installation pipes is two, each second refrigerant pipeline penetrates through one second installation pipe, and a gap between each second refrigerant pipeline and the inner wall of the corresponding second installation pipe is filled with aerogel.
Optionally, the inner shell further comprises a third inner shell, the first inner shell and the third inner shell are arranged at intervals, and the first inner shell and the third inner shell are communicated through an air pipe; the air pipe is made of a vacuum insulated panel, and two ends of the air pipe are respectively bonded with the first inner shell and the second inner shell.
Optionally, the inner housing further comprises a third inner housing, and the first inner housing and the third inner housing are arranged at intervals;
the refrigerating and freezing apparatus further comprises:
the first air duct assembly is arranged at the rear part of the first inner shell, defines a cooling chamber and a return air duct with the first inner shell, and is communicated with a first air supply outlet and a return air inlet of other spaces of the cooling chamber and the first inner shell; the first evaporator is arranged in the cooling chamber, the return air duct and the return air inlet are both communicated with the air inlet side of the first evaporator, and the first air supply outlet is communicated with the air outlet side of the first evaporator;
the second air duct assembly is arranged at the rear part of the third inner shell, defines a blowing air duct with the third inner shell and is provided with a second blowing port communicating the blowing air duct with other spaces of the third inner shell;
the first air pipe is communicated with the cooling chamber and the air supply duct, is made of a vacuum insulation plate, and is bonded with the first inner shell and the second inner shell at two ends respectively; the first air pipe is communicated with the air outlet side of the first evaporator;
the second air pipe is communicated with other spaces of the second inner shell and the return air duct, the second air pipe is made of a vacuum insulation board, and two ends of the second air pipe are respectively bonded with the first inner shell and the second inner shell.
Optionally, the refrigeration freezer further comprises:
the vacuum degree sensor is arranged in the vacuum cavity and is used for detecting the vacuum degree in the vacuum cavity;
the vacuum pump is arranged outside the vacuum cavity, is also arranged in the compressor bin, is communicated with the vacuum cavity through a vacuum pumping pipeline and is electrically connected with the vacuum degree sensor;
and the gas one-way valve is arranged on the vacuum pumping pipeline.
Optionally, the bonding material is a vacuum insulation sealant.
Optionally, the radiation-proof metal layer is made of pure chromium, chromium alloy, pure silver, silver alloy, pure nickel or nickel alloy.
The utility model discloses an among the cold-stored refrigerating plant, utilize the vacuum cavity to fall the heat conduction of box to very low, make the box have extremely low coefficient of heat conductivity. Correspondingly, the box body can be thinner, so that the volume ratio of the refrigerating and freezing device is higher, heat insulation materials are not used, and the pollution to the environment during post-treatment of the heat insulation materials is avoided.
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 present invention will be described in detail hereinafter, by way of illustration and not by way of 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 front view structural diagram of a case according to an embodiment of the present invention;
fig. 2 is a schematic left side view block diagram of a housing according to an embodiment of the invention;
fig. 3 is a schematic rear view structural diagram of a case according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an outer shell of the cabinet according to an embodiment of the present invention;
fig. 5 is a schematic structural view of an inner case of a cabinet according to an embodiment of the present invention;
FIG. 6 is a schematic block diagram of a support member according to an embodiment of the present invention;
fig. 7 is a schematic block diagram of a first mounting tube according to an embodiment of the present invention;
fig. 8 is a schematic structural view of an air duct according to an embodiment of the present invention;
FIG. 9 is a schematic block diagram of A in FIG. 1;
fig. 10 is a schematic structural view of B in fig. 4.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
The utility model provides a cold-stored refrigeration device, figure 1 is according to the utility model discloses a schematic main view structure chart of box, refer to figure 1 and refer to figure 2 to figure 10. The utility model discloses cold-stored refrigeration device, including the box, the box includes shell body 1 and at least one interior casing 3. The space in every interior casing 3 is used for the storing at least, and every interior casing 3 sets up in outer shell 1, and the interval between outer shell 1 and the interior casing 3 is vacuum cavity 2.
In the embodiment, the vacuum cavity 2 is utilized to reduce the heat conduction of the box body to be very low, so that the box body has extremely low heat conductivity coefficient. Correspondingly, the box body can be thinner, so that the volume ratio of the refrigerating and freezing device is higher, heat-insulating materials are not used, and the pollution to the environment during the post-treatment of the heat-insulating materials is avoided.
In some embodiments of the present invention, the refrigeration chiller further comprises a plurality of first supports. As shown in fig. 6, each of the first supporters has a cylindrical shape, and each of the first supporters is made of a circular vacuum insulation panel 21. A plurality of first supports are provided between the outer case 1 and the inner case 3. Both ends of each first support member are bonded to the outer case 1 and the inner case 3, respectively, by thermal insulation paste 22.
In other embodiments of the present invention, the inner housing 3 is plural, and a plurality of second supporting members are disposed between every two adjacent inner housings 3. Each of the second supporters has a cylindrical shape, and each of the second supporters is made of a vacuum insulation panel. Both ends of each second supporting member are respectively bonded with the corresponding inner shell 3 through heat insulation glue 22.
The first and second supporting members are collectively referred to as the supporting members 7, and the supporting members 7 can enhance the strength of the case body to effectively prevent the outer case 1 and the inner case 3 from collapsing under atmospheric pressure, as shown in fig. 1, the distribution of the supporting members 7 is not limited to one plane, and any position where collapsing occurs under atmospheric pressure is supported in this way. The upper and lower surfaces of the support 7 are coated with an insulating adhesive 22, which ensures a firm installation of the support 7 and prevents the outer and inner housings 1 and 3 from transferring heat to the support 7.
In some embodiments of the present invention, as shown in fig. 9, the surface of the inner shell 3 defining the vacuum chamber 2 is provided with a ceramic thermal insulation layer 5 and a radiation-proof metal layer 4 which are arranged in sequence in a direction towards the outer shell 1. Ceramic insulating layer 5 can the separation heat-conduction, and radiation protection metal level 4 can prevent the heat radiation, and both combinations can effectively reduce the heat transfer that takes place through heat-conduction and heat radiation, further strengthen the heat preservation effect. Further, the material of the radiation-proof metal layer 4 is pure chromium, chromium alloy, pure silver, silver alloy, pure nickel or nickel alloy.
The utility model discloses an in some embodiments, the outside of shell body is provided with compressor storehouse shell, and compressor storehouse shell and shell are injectd compressor storehouse 9. When the inner housing 3 is one, for convenience of description, the inner housing is a first inner housing, that is, the inner housing 3 includes a first inner housing, and the first inner housing may be a refrigerating compartment 20, a freezing compartment 18 or a temperature changing compartment 19. When the inner housing 3 is plural, the inner housing includes a first inner housing, a second inner housing, even a third inner housing, and the like. The first, second and third inner housings may each be a refrigeration compartment 20, a freezing compartment 18 or a temperature-changing compartment 19. Preferably, the first inner housing is a temperature changing compartment 19, the second inner housing is a freezing compartment 18, and the third inner housing is a refrigerating compartment 20.
The refrigerating and freezing apparatus further includes a first evaporator and a first installation tube 11. The first evaporator is arranged in the first inner shell, and an inlet and an outlet of the first evaporator are both connected with a first refrigerant pipeline 23. First installation pipe 11 is made by vacuum insulation panel, and first installation pipe 11 intercommunication compressor storehouse 9 and first interior casing inner space, the both ends of first installation pipe 11 bond with shell body 1 and first interior casing respectively. First installation pipe 11 is one, and two first refrigerant pipelines 23 all pass first installation pipe 11, and the clearance packing between two first refrigerant pipelines 23 and the first installation pipe 11 inner wall has aerogel 25. Or, the number of the first installation pipes 11 is two, each first refrigerant pipeline 23 penetrates through one first installation pipe 11, and a gap between each first refrigerant pipeline 23 and the inner wall of the corresponding first installation pipe 11 is filled with aerogel 25.
The refrigeration and freezing apparatus further includes a compressor 12, a condenser 14, a throttling device, and the like. Taking the first installation pipe as an example, the compressor 12 discharges the refrigerant, and the refrigerant passes through the condenser 14 and the throttling device, enters the first evaporator through the inlet of the first refrigerant pipeline 23, performs refrigeration, and then returns to the compressor 12 through the loop of the first refrigerant pipeline 23. The first refrigerant pipeline 23 passes through the vacuum chamber 2, and a first mounting pipe 11 is provided to prevent heat exchange between the vacuum chamber 2 and the first refrigerant pipeline 23. The outer shell 1 and the inner shell 3 are provided with holes at corresponding positions of the first mounting pipe 11, and two ends of the first mounting pipe 11 are respectively connected with corresponding holes on the outer shell 1 and the inner shell 3 and are bonded by vacuum heat insulation sealant. The clearance intussuseption between two first refrigerant pipelines and the 11 inner walls of first installation pipe has aerogel 25, prevents the heat exchange between two first refrigerant pipelines, can also prevent inside and outside intercommunication simultaneously.
In some embodiments of the present invention, the refrigeration and freezing apparatus further comprises a second evaporator and a second installation tube. The second evaporator is arranged in the second inner shell, and an inlet and an outlet of the second evaporator are both connected with a second refrigerant pipeline. The second installation pipe is made by vacuum insulation panels, and the second installation pipe intercommunication compressor storehouse and the interior inner shell space of second, and the both ends of second installation pipe bond with shell body 1 and the interior shell body of second respectively. The second installation pipe is one, and two second refrigerant pipelines all pass the second installation pipe, and the clearance packing between two second refrigerant pipelines and the second installation intraductal wall has aerogel 25. Or the number of the second installation pipes is two, each second refrigerant pipeline penetrates through one second installation pipe, and a gap between each second refrigerant pipeline and the inner wall of the corresponding second installation pipe is filled with aerogel.
In some embodiments of the present invention, in order to accelerate the air circulation and accelerate the cooling rate of the first housing, a fan is disposed on one side of the first evaporator.
The utility model discloses an in some embodiments, in order to improve refrigeration efficiency, protection fan, first evaporimeter and pleasing to the eye, cold-stored refrigeration device still includes first wind channel subassembly. The first air duct assembly is arranged at the rear part of the first inner shell, defines a cooling chamber and a return air duct with the first inner shell, and is communicated with the cooling chamber and a first air supply outlet and a return air inlet of other spaces of the first inner shell. The first evaporator is arranged in the cooling chamber, the return air duct and the return air inlet are both communicated with the air inlet side of the first evaporator, and the first air supply outlet is communicated with the air outlet side of the first evaporator.
In some embodiments of the present invention, the first inner casing and the third inner casing are spaced apart from each other, and the first inner casing and the third inner casing are communicated with each other through the air pipe 26. The air pipe 26 is made of an annular vacuum insulation panel 24, and both ends of the air pipe 26 are respectively bonded with the first inner housing and the third inner housing. From the first inner housing, the cooling air enters the third inner housing through the air duct 26, causing the third inner housing to cool down.
In other embodiments of the present invention, in order to improve the refrigerating efficiency in the third casing, the cold storage and refrigeration device further includes a second air duct assembly, a first air duct, a second air duct, and an air door. The first air duct assembly is arranged at the rear part of the first inner shell, defines a cooling chamber and a return air duct with the first inner shell, and is communicated with the cooling chamber and a first air supply outlet and a return air inlet of other spaces of the first inner shell. The first evaporator is arranged in the cooling chamber, the return air duct and the return air inlet are both communicated with the air inlet side of the first evaporator, and the first air supply outlet is communicated with the air outlet side of the first evaporator. The second air duct assembly is arranged at the rear part of the third inner shell, defines an air supply air duct with the third inner shell and is provided with a second air supply outlet communicated with other spaces of the air supply air duct and the third inner shell. The first air pipe is communicated with the cooling chamber and the air supply duct, the first air pipe is made of a vacuum insulated panel, and two ends of the first air pipe are respectively bonded with the first inner shell and the third inner shell. The first air pipe is communicated with the air outlet side of the first evaporator. The second air pipe is communicated with other spaces of the third inner shell and the return air duct, the second air pipe is made of a vacuum insulation plate, and two ends of the second air pipe are respectively bonded with the first inner shell and the third inner shell. The fan is arranged in the cooling chamber. The air door is arranged at the inlet of the first air pipe to open and close the first air pipe. The cold air forms circulating air in the first shell under the action of the fan, and the cold air also forms circulating air between the first shell and the refrigerating chamber, so that the cooling of the first shell and the refrigerating chamber is accelerated.
The first installation pipe 11, the second installation pipe, the air pipe, the first air pipe and the second air pipe are all bonded with the outer shell 1 and the inner shell 3 by vacuum heat insulation sealant.
In some embodiments of the present invention, the refrigeration and freezing apparatus further comprises a vacuum sensor 6, a vacuum pump 13 and a gas check valve 10. The vacuum degree sensor 6 is provided in the vacuum chamber 2, and the vacuum degree sensor 6 is used for detecting the vacuum degree in the vacuum chamber 2. The vacuum pump 13 is arranged outside the vacuum cavity 2, the vacuum pump 13 is also arranged in the compressor bin 9, the vacuum pump 13 is communicated with the vacuum cavity 2 through a vacuum pumping pipeline 8, and the vacuum pump 13 is electrically connected with the vacuum degree sensor 6. The gas check valve 10 is arranged on the vacuum pumping pipeline 8. When the refrigerating and freezing device is initially powered on, the vacuum degree sensor 6 monitors the vacuum degree in the vacuum cavity 2, when the vacuum degree is not within a preset range, the vacuum degree sensor 6 transmits a signal to the vacuum pump 13, the vacuum pump 13 starts to work, air enters the vacuum pump 13 through the vacuumizing pipeline 8 and the gas one-way valve 10 and is discharged into the compressor bin 9 from an exhaust pipe of the vacuum pump, and the compressor bin 9 is communicated with the atmosphere. Until the vacuum degree enters a preset range, the vacuum pump 13 stops working, and the gas check valve 10 has the function of a stop valve at the moment, so that the vacuum cavity 2 is ensured to be sealed. And at the later stage, if the vacuum degree in the vacuum cavity 2 is not in the preset range again, the working process is restarted, so that the vacuum degree of the vacuum cavity 2 is always in the preset range, and the heat insulation performance of the box body of the refrigerating and freezing device is ensured.
In some embodiments of the present invention, the condenser 14 is disposed within the compressor compartment 9, thereby releasing heat at the bottom of the refrigeration chiller.
In some embodiments of the present invention, the edge of the outer shell 1 and the edge of the inner shell 3 are hermetically connected, for example, as shown in fig. 10, a vacuum insulation panel 17 is disposed between the edge of the outer shell 1 and the edge of the inner shell 3, and the vacuum insulation panel 17 and the outer shell 1 and the inner shell 3 are all connected by a vacuum insulation sealant 16. In some alternative embodiments of the present invention, the edges of the outer shell 1 and the inner shell 3 are welded to each other. In some embodiments of the present invention, the outer housing 1 and the inner housing 3 are made of stainless steel. The stainless steel has high strength, can ensure that the vacuum cavity 2 has larger vacuum degree, is convenient for forming by welding, and has simple process and easy realization.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. A refrigerating and freezing device comprises a box body, and is characterized in that the box body comprises an outer shell and at least one inner shell; every interior inner space is used for the storing at least, every interior casing set up in the shell, just the shell with the interval between the interior casing is the vacuum cavity.
2. A refrigerator-freezer according to claim 1, further comprising a plurality of first supports; each first supporting piece is cylindrical and is made of a vacuum insulation plate;
a plurality of the first supports are disposed between the outer shell and the inner shell; and two ends of each first supporting piece are respectively bonded with the outer shell and the inner shell through heat-insulating glue.
3. A refrigerator-freezer as claimed in claim 1, wherein the inner housing is plural, and a plurality of second supports are provided between each adjacent two of the inner housings; each second support is cylindrical and is made of a vacuum insulation plate; and two ends of each second support piece are respectively bonded with the corresponding inner shell through heat insulation glue.
4. A refrigerator-freezer according to claim 1,
the surface of the inner shell, which is used for limiting the vacuum cavity, is provided with a ceramic heat insulation layer and a radiation-proof metal layer which are sequentially arranged along the direction facing the outer shell;
the radiation-proof metal layer is made of pure chromium, chromium alloy, pure silver, silver alloy, pure nickel or nickel alloy.
5. A refrigerator-freezer according to claim 1,
a compressor bin shell is arranged on the outer side of the outer shell, and a compressor bin is defined by the compressor bin shell and the outer shell;
the inner housing comprises a first inner housing;
the refrigerating and freezing apparatus further comprises:
the first evaporator is arranged in the first inner shell, and an inlet and an outlet of the first evaporator are both connected with a first refrigerant pipeline;
the first mounting pipe is made of a vacuum insulation plate, the first mounting pipe is communicated with the space in the compressor bin and the first inner shell, and two ends of the first mounting pipe are respectively bonded with the outer shell and the first inner shell; the number of the first installation pipes is one, the two first refrigerant pipelines penetrate through the first installation pipes, and aerogel is filled in gaps between the two first refrigerant pipelines and the inner walls of the first installation pipes; or, the number of the first installation pipes is two, each first refrigerant pipeline penetrates through one first installation pipe, and a gap between each first refrigerant pipeline and the inner wall of the corresponding first installation pipe is filled with aerogel.
6. A refrigerator-freezer according to claim 5,
the inner housing further comprises a second inner housing;
the refrigerating and freezing apparatus further comprises:
the second evaporator is arranged in the second inner shell, and an inlet and an outlet of the second evaporator are both connected with a second refrigerant pipeline;
the second mounting pipe is made of a vacuum insulation plate, the second mounting pipe is communicated with the space in the compressor bin and the space in the second inner shell, and two ends of the second mounting pipe are respectively bonded with the outer shell and the second inner shell; the number of the second installation pipes is one, the two second refrigerant pipelines penetrate through the second installation pipes, and aerogel is filled in gaps between the two second refrigerant pipelines and the inner walls of the second installation pipes; or the number of the second installation pipes is two, each second refrigerant pipeline penetrates through one second installation pipe, and a gap between each second refrigerant pipeline and the inner wall of the corresponding second installation pipe is filled with aerogel.
7. A refrigerator-freezer according to claim 5 or 6, wherein the inner housing further comprises a third inner housing, the first and third inner housings being spaced apart, the first and third inner housings being in communication by an air duct; the air pipe is made of a vacuum insulated panel, and two ends of the air pipe are respectively bonded with the first inner shell and the third inner shell.
8. A refrigerator-freezer according to claim 5 or 6,
the inner shell further comprises a third inner shell, and the first inner shell and the third inner shell are arranged at intervals;
the refrigerating and freezing apparatus further comprises:
the first air duct assembly is arranged at the rear part of the first inner shell, defines a cooling chamber and a return air duct with the first inner shell, and is communicated with a first air supply outlet and a return air inlet of other spaces of the cooling chamber and the first inner shell; the first evaporator is arranged in the cooling chamber, the return air duct and the return air inlet are both communicated with the air inlet side of the first evaporator, and the first air supply outlet is communicated with the air outlet side of the first evaporator;
the second air duct assembly is arranged at the rear part of the third inner shell, defines an air supply duct with the third inner shell and is provided with a second air supply outlet which is communicated with the air supply duct and other spaces of the third inner shell;
the first air pipe is communicated with the cooling chamber and the air supply duct, is made of a vacuum insulation plate, and is bonded with the first inner shell and the third inner shell at two ends respectively; the first air pipe is communicated with the air outlet side of the first evaporator;
the second air pipe is communicated with other spaces of the third inner shell and the return air duct, the second air pipe is made of a vacuum insulation plate, and two ends of the second air pipe are respectively bonded with the first inner shell and the third inner shell.
9. A refrigerator-freezer according to claim 5, further comprising:
the vacuum degree sensor is arranged in the vacuum cavity and is used for detecting the vacuum degree in the vacuum cavity;
the vacuum pump is arranged outside the vacuum cavity and also arranged in the compressor bin, the vacuum pump is communicated with the vacuum cavity through a vacuum pumping pipeline, and the vacuum pump is electrically connected with the vacuum degree sensor;
and the gas one-way valve is arranged on the vacuum pumping pipeline.
10. A refrigerator-freezer according to claim 5 or 6, wherein the adhesive material is a vacuum insulating sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222305146.XU CN218884378U (en) | 2022-08-31 | 2022-08-31 | Refrigerating and freezing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222305146.XU CN218884378U (en) | 2022-08-31 | 2022-08-31 | Refrigerating and freezing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218884378U true CN218884378U (en) | 2023-04-18 |
Family
ID=85944499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222305146.XU Active CN218884378U (en) | 2022-08-31 | 2022-08-31 | Refrigerating and freezing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218884378U (en) |
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2022
- 2022-08-31 CN CN202222305146.XU patent/CN218884378U/en active Active
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