CN214276196U - Refrigerator with a door - Google Patents

Abstract

The utility model provides a refrigerator, include: the refrigerator comprises a refrigerator body, a storage compartment and a storage box, wherein the refrigerator body is internally limited with the storage compartment; a vapor compression refrigeration system configured to provide refrigeration to at least one of the storage compartments; and a stirling refrigeration system configured to provide refrigeration to at least one of said storage compartments; and a device chamber is formed below the storage chamber in the box body, and a compressor of the vapor compression refrigeration system and a Stirling refrigerator of the Stirling refrigeration system are arranged in the device chamber. The utility model discloses a refrigerator sets up vapor compression refrigerating system's compressor and stirling refrigerating system's stirling refrigerator in this device indoor through the below formation device room at the storing room of box for the storing room of refrigerator lower part need not to step down for the refrigeration part, thereby can guarantee the effective accommodating space of the storing room of refrigerator lower part.

Description

Refrigerator with a door

Technical Field

The utility model relates to a refrigeration field especially relates to a refrigerator.

Background

Most of the existing household refrigerators adopt a vapor compression mode for refrigeration, and the temperature in the refrigerator is difficult to reach below minus 30 ℃. The Stirling refrigerating system is adopted for refrigeration in the fields of spaceflight, medical treatment and the like, and the refrigerating temperature of the system can be below 200 ℃ below zero. When a vapor compression refrigeration system and a Stirling refrigeration system are adopted in a refrigerator at the same time, main components are usually arranged at the rear side of the bottom of the refrigerator, so that the problem that the components occupy the effective accommodating space of a storage compartment at the lower part of the refrigerator is solved, and the problem that the two refrigeration systems are difficult to dissipate heat is also solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome at least one defect of prior art, provide a refrigerator that can more rational utilization inner space.

A further object of the present invention is to provide a refrigerator with improved cooling of the refrigeration system.

Particularly, the utility model provides a refrigerator, include:

the refrigerator comprises a refrigerator body, a storage compartment and a storage box, wherein the refrigerator body is internally limited with the storage compartment;

a vapor compression refrigeration system configured to provide refrigeration to at least one storage compartment; and

a Stirling refrigeration system configured to provide refrigeration to at least one storage compartment; wherein

A device chamber is formed below the storage chamber in the box body, and a compressor of the vapor compression refrigeration system and a Stirling refrigerator of the Stirling refrigeration system are arranged in the device chamber.

Alternatively, the compressor is disposed at the rear of the device chamber, and the stirling cooler is disposed at the front of the device chamber; or

The compressor is arranged at the front part of the device chamber, and the Stirling refrigerator is arranged at the rear part of the device chamber; wherein

And ventilation openings are respectively formed on the side walls of the device chamber corresponding to the compressor and the Stirling refrigerator.

Optionally, the lower parts of the two side cover plates of the housing of the box body constitute the side walls of the device chamber;

the refrigerator further includes:

the front plate is arranged on the front sides of the lower parts of the two side cover plates;

the rear plate is arranged at the rear side of the lower parts of the two side cover plates; and

and the bottom plate forms the bottom of the refrigerator, and the front plate, the rear plate, the bottom plate and the lower parts of the two side cover plates jointly define a device chamber.

Optionally, the rear plate is provided with a plurality of vent holes.

Optionally, the vapor compression refrigeration system further comprises: condenser and first radiator fan, condenser and compressor horizontal interval set up in the device indoor, set up first radiator fan between condenser and the compressor.

Optionally, the stirling refrigeration system further comprises: and the second heat dissipation fan, the second heat dissipation fan and the Stirling refrigerator are transversely arranged in the device chamber at intervals.

Optionally, the refrigerator further comprises: the evaporating dish extends in the device chamber along the longitudinal direction, each storage chamber is connected with a defrosting drain pipe, and the tail end of each defrosting drain pipe extends into the evaporating dish; wherein the compressor and the Stirling refrigerator are on the same side of the evaporator pan.

Optionally, the refrigerator further comprises: and the partition plate is arranged in the device chamber in a manner of extending along the transverse direction, so that the device chamber is partitioned into a first accommodating cavity positioned at the front part and a second accommodating cavity positioned at the rear part, wherein the compressor and the Stirling refrigerator are positioned in different accommodating cavities.

Optionally, the stirling cooler comprises a housing, a cylinder, a piston, a drive mechanism and a finned heat sink; the shell comprises a main body part and a cylindrical part, a driving mechanism is arranged in the main body part, and a piston is configured to be driven by the driving mechanism to reciprocate in the cylindrical part so that a cold end is formed at one end of the cylindrical part, which is far away from the main body part, and a hot end is formed at one end, which is close to the main body part; the fin radiator is arranged on the periphery of the hot end and fixed with the main body part.

Optionally, the stirling refrigeration system further comprises: heat exchanger and cold conducting device, wherein

The heat exchanger is arranged in the storage compartment and comprises a plurality of cooling guide fins arranged at intervals, and an air outlet channel is defined between every two adjacent cooling guide fins;

lead cold charge and put including the cold junction adapter and lead cold heat pipe, the cold junction adapter is fixed with the cold junction, leads cold heat pipe's one end and cold junction adapter thermal connection, and a plurality of cold fins of leading are worn to locate by the other end.

The refrigerator of the utility model arranges the compressor of the vapor compression refrigeration system and the Stirling refrigerator of the Stirling refrigeration system in the device chamber by forming the device chamber below the storage chamber of the box body, so that the storage chamber at the lower part of the refrigerator does not need to give way for the refrigeration part, thereby ensuring the effective accommodating space of the storage chamber at the lower part of the refrigerator and more reasonably utilizing the internal space of the refrigerator; simultaneously, form the device room through the below at the storing room and still make the storing room of lower part raise, it is more convenient that the user accesses article from the storing room of lower part, promotes the user and uses experience.

Further, the utility model discloses a refrigerator is through setting up compressor and stirling refrigerator in different positions around the device room to the vent has been seted up respectively to the correspondence on the lateral wall of device room, can make compressor and stirling refrigerator's heat dissipation air current flow through different routes, and then reduce the radiating influence of each other of both.

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 perspective view of a part of components of a refrigerator according to an embodiment of the present invention.

Fig. 2 is another perspective view of a part of components of the refrigerator shown in fig. 1.

Fig. 3 is a partially exploded view of part of the components of the refrigerator shown in fig. 1.

Fig. 4 is another partially exploded view of part of the components of the refrigerator shown in fig. 1.

Fig. 5 is a perspective view of the stirling refrigeration system of the refrigerator shown in fig. 1.

Fig. 6 is an exploded schematic view of a double door and a door frame of the refrigerator shown in fig. 1.

Fig. 7 is a partially enlarged schematic view of fig. 6.

Detailed Description

In the following description, the orientation or positional relationship indicated by "front", "rear", "upper", "lower", "left", "right", etc. is an orientation based on the refrigerator 100 itself as a reference, such as the direction indicated in fig. 1.

Fig. 1 is a schematic perspective view of a part of components of a refrigerator 100 according to an embodiment of the present invention. Fig. 2 is another perspective view of a part of the components of the refrigerator 100 shown in fig. 1. Fig. 3 is a partially exploded schematic view of part of the components of the refrigerator 100 shown in fig. 1. Fig. 4 is another partially exploded schematic view of part of the components of the refrigerator 100 shown in fig. 1. Fig. 5 is a perspective view of the stirling refrigeration system of the refrigerator 100 shown in fig. 1.

The utility model discloses refrigerator 100 can include: a cabinet 101, a vapor compression refrigeration system, and a stirling refrigeration system. A storage compartment is defined in the case 101. The vapor compression refrigeration system is configured to provide refrigeration to the at least one storage compartment. The vapor compression refrigeration system may include a compressor 201, a condenser 202, a throttling element (not shown), an evaporator (not shown), and the like. The stirling refrigeration system is configured to provide refrigeration to the at least one storage compartment. The stirling refrigeration system may include a stirling cooler 300. An equipment chamber 102 is formed below the storage chamber in the cabinet 101, and a compressor 201 of the vapor compression refrigeration system and a stirling refrigerator 300 of the stirling refrigeration system are disposed in the equipment chamber 102. The refrigerator 100 of the embodiment of the present invention forms the device chamber 102 below the storage chamber of the box body 101, and the compressor 201 of the vapor compression refrigeration system and the stirling refrigerator 300 of the stirling refrigeration system are disposed in the device chamber 102, so that the storage chamber at the lower portion of the refrigerator 100 does not need to be moved for the refrigeration component, thereby ensuring the effective accommodating space of the storage chamber at the lower portion of the refrigerator 100, and making the internal space of the refrigerator 100 more reasonably utilized; meanwhile, the device chamber 102 is formed below the storage chamber, so that the storage chamber at the lower part is raised, a user can conveniently store and take articles from the storage chamber at the lower part, and the use experience of the user is improved.

The box 101 may include a housing 103, an inner container disposed in the housing 103, and a thermal insulation layer disposed between the housing 103 and the inner container. The housing 103 mainly includes a side cover plate 130, a top cover plate (not numbered), and a rear cover plate (not numbered). The bladders may include at least one common bladder 114 and at least one cryogenic bladder 113, wherein common bladder 114 defines common compartment 111 and cryogenic bladder 113 defines cryogenic compartment 112. Herein, the "common compartment" is a compartment cooled only by the vapor compression refrigeration system, and is a non-ultra-low temperature compartment, for example, a refrigerating compartment, a freezing compartment, and a temperature-changing compartment are respectively defined by a refrigerating liner, a freezing liner, and a temperature-changing liner. A "cryogenic compartment" is a compartment cooled by a stirling refrigeration system. The preservation temperature of the cold storage chamber can be 2-9 ℃ generally, and the preservation temperature of the freezing chamber can be-20 ℃ to-16 ℃ generally. The temperature-changing chamber can be adjusted according to requirements and used as a refrigerating chamber or a freezing chamber. The storage temperature of the cryogenic compartment 112 may be generally-14 ℃ to-80 ℃. In the refrigerator 100 shown in fig. 1, the refrigerator 100 is a cross-door refrigerator, and the normal compartment 111 of the refrigerator 100 is a refrigerating compartment located at the upper portion, a temperature-changing compartment located at the right side of the lower portion, and a deep-cooling compartment 112 located at the left side of the lower portion. The evaporator of the vapor compression refrigeration system may be disposed in the common compartment 111 to supply cooling to the common compartment 111, and the evaporator is connected to the compressor 201 through a refrigerant line. The evaporator may be a plate and tube evaporator.

In some embodiments, the compressor 201 of the refrigerator 100 according to the embodiment of the present invention is disposed at the rear of the device chamber 102, and the stirling cooler 300 is disposed at the front of the device chamber 102; or the compressor 201 is disposed at the front of the device chamber 102 and the stirling cooler 300 is disposed at the rear of the device chamber 102; wherein, the side walls of the device chamber 102 corresponding to the compressor 201 and the Stirling refrigerator 300 are respectively provided with an air vent. The utility model discloses refrigerator 100 is through setting up compressor 201 and stirling refrigerator 300 in different positions around device room 102 to the vent has been seted up respectively to the correspondence on the lateral wall of device room 102, can make compressor 201 and stirling refrigerator 300's radiating air current flow through different routes, and then reduce the radiating influence of each other of both, thereby more do benefit to compressor 201, stirling refrigerator 300's whole heat dissipation, can prolong compressor 201, stirling refrigerator 300's life, compressor 201 has been reduced, stirling refrigerator 300's fault rate.

As shown in fig. 3 and 4, lower portions of both side cover plates 130 of the housing 103 of the casing 101 constitute side walls of the device chamber 102. The embodiment of the utility model provides a refrigerator 100 still includes: a front plate 121, a rear plate 122, and a bottom plate 123. The front plate 121 is disposed at the lower front side of the two side cover plates 130. The rear plate 122 is disposed at the lower rear side of the two side cover plates 130. The bottom plate 123 forms the bottom of the refrigerator 100. The front plate 121, the rear plate 122, the bottom plate 123 and lower portions of the two side cover plates 130 collectively define the device chamber 102. The device chamber 102 is defined by the front plate 121, the rear plate 122, the bottom plate 123 and the lower portions of the two side cover plates 130 together such that the device chamber 102 has a simple structure and is easily assembled. With continued reference to fig. 4, to further enhance heat dissipation, the back plate 122 is formed with a plurality of vent holes 140.

In some embodiments, the refrigerator 100 of the present invention further includes: and a partition plate 105 configured to extend in the lateral direction and disposed in the device chamber 102 so as to partition the device chamber 102 into a first accommodation chamber 151 located at the front and a second accommodation chamber 152 located at the rear, wherein the compressor 201 and the stirling cooler 300 are located in different accommodation chambers. As shown in fig. 2, the aforementioned ventilation openings include a first ventilation opening 131 and a second ventilation opening 132; the Stirling refrigerator 300 is positioned in the first accommodating cavity 151, and the lower parts of the two side cover plates 130, which correspond to the first accommodating cavity 151, are respectively provided with first ventilation openings 131; the compressor 201 is located in the second accommodating cavity 152, and the lower portions of the two side cover plates 130 corresponding to the second accommodating cavity 152 are respectively provided with a second ventilation opening 132. Through setting up baffle 105, can separate compressor 201 and stirling refrigerator 300 completely for the heat dissipation of both can not influence each other completely, and both can obtain abundant heat dissipation, further promote the radiating effect. It is understood that the stirling cooler 300 may be disposed in the second accommodating chamber 152 and the compressor 201 may be disposed in the first accommodating chamber 151.

As previously described, the vapor compression refrigeration system includes a condenser 202. In some embodiments, the vapor compression refrigeration system of the refrigerator 100 of the present invention further includes a first heat dissipation fan 203; the condenser 202 and the compressor 201 are arranged in the device chamber 102 at a transverse interval, and a first heat radiation fan 203 is arranged between the condenser 202 and the compressor 201. In the front-rear direction of the device chamber 102, the condenser 202 and the first heat dissipation fan 203 are disposed in accordance with the position of the compressor 201. That is, when the compressor 201 is disposed in the first accommodating chamber 151, the condenser 202 and the first heat dissipation fan 203 are also disposed in the first accommodating chamber 151 at left and right intervals from the compressor 201; when the compressor 201 is disposed in the second accommodating chamber 152, the condenser 202 and the first heat dissipation fan 203 are also disposed in the second accommodating chamber 152 at left and right intervals from the compressor 201. The first heat dissipation fan 203 is arranged to promote the flow of the air flow in the device chamber 102, thereby further improving the heat dissipation efficiency of the compressor 201. The first heat dissipation fan 203 is arranged between the condenser 202 and the compressor 201, so that air flow can be smoother, wind resistance is reduced, air quantity is increased, and heat dissipation efficiency is further improved.

In some embodiments, the stirling refrigeration system of the refrigerator 100 of the embodiment of the present invention further includes: the second heat dissipation fan 306, and the stirling cooler 300 are disposed in the device chamber 102 at a lateral spacing. The second heat dissipation fan 306 is disposed in accordance with the position where the stirling cooler 300 is disposed, in the front-rear direction of the device chamber 102. That is, when the stirling cooler 300 is disposed in the first accommodating chamber 151, the second heat dissipation fan 306 is also disposed in the first accommodating chamber 151 at a left-right interval from the stirling cooler 300; when the stirling cooler 300 is disposed in the second accommodating chamber 152, the second heat dissipation fan 306 is also disposed in the second accommodating chamber 152 at a left-right interval from the stirling cooler 300. The second heat dissipation fan 306 is provided to promote the flow of the air flow in the device chamber 102, thereby further improving the heat dissipation efficiency of the stirling cooler 300.

In some embodiments, the refrigerator 100 of the present invention further includes: the evaporation pan 206 extends in the device chamber 102 along the longitudinal direction, each storage chamber is connected with a defrosting drain pipe 260, and the tail end of the defrosting drain pipe 260 extends into the evaporation pan 206; wherein the compressor 201 and the stirling cooler 300 are on the same side of the evaporator 206. As shown in fig. 4, the three storage compartments have a defrosting drain tube 260, and the ends of the defrosting drain tubes 260 extend into the same evaporation pan 206. By arranging the evaporation dish 206 in the device chamber 102 in an extending manner along the longitudinal direction, that is, the lower part of the partition plate 105 has a notch at a position corresponding to the evaporation dish 206, the front part of the evaporation dish 206 is located in the first accommodating cavity 151, and the rear part is located in the second accommodating cavity 152, so that the defrosting water in the evaporation dish 206 can be evaporated by the airflow in the two accommodating cavities, thereby facilitating the evaporation of the defrosting water; meanwhile, by locating the compressor 201 and the Stirling refrigerator 300 on the same side of the evaporation pan 206, the arrangement of components in the device chamber 102 can be made more reasonable and convenient.

As shown in fig. 3 and 5, the stirling cooler 300 according to the embodiment of the present invention includes a casing 301, a cylinder (not shown), a piston (not shown), a driving mechanism (not shown), and a fin radiator 307; the casing 301 includes a main body portion 311 and a cylindrical portion 312, the driving mechanism is disposed in the main body portion 311, the piston is configured to be driven by the driving mechanism to reciprocate in the cylindrical portion 312, so that a cold end is formed at one end of the cylindrical portion 312 far away from the main body portion 311, and a hot end is formed at one end close to the main body portion 311; the finned radiator 307 is arranged on the periphery of the hot end and fixed with the main body 311. The utility model discloses refrigerator 100 can realize effectively dispelling the heat to the hot junction through setting up fin radiator 307 in hot junction a week, and the setting of fin radiator 307 is integrative with casing 301 simultaneously, can the modularization assembly and more convenient transportation. As shown in fig. 2 and 3, the stirling cooler 300 is preferably horizontally oriented such that the cold end is disposed to the left or right. The bottom of the cabinet 301 of the stirling cooler 300 may be provided with a shock pad or the like. Horizontal placement of the Stirling cooler 300 allows the height space required for the Stirling cooler 300 to be reduced, and thus the height of the device chamber 102, as compared to vertical placement of the Stirling cooler 300.

In some embodiments, the stirling refrigeration system of the refrigerator 100 of the present invention further includes a heat exchanger 305 and a cold sink 303. The heat exchanger 305 is provided in the storage compartment. Cold guiding device 303 includes cold end adapter 331 and cold guiding heat pipe 332, and cold end adapter 331 is fixed with the cold end, and cold guiding heat pipe 332's one end and cold end adapter 331 are hot junction, and the other end and heat exchanger 305 are hot junction. The utility model discloses refrigerator 100's stirling refrigerating system still includes heat exchanger 305 and leads cold charge and put 303, sets up heat exchanger 305 indoor between the storing, utilizes the cold charge that leads cold charge and put 303 including cold junction adapter 331 and lead cold heat pipe 332 to realize stirling refrigerator 300's cold junction and heat exchanger 305's thermal connection, can make and pass cold structure firm, reliable, passes cold efficiently simultaneously. A heat insulating member may be provided outside the cold guide 303.

As shown in fig. 5, the heat exchanger 305 includes a plurality of cooling guide fins 350 arranged at intervals, and an air flow passage is defined between adjacent cooling guide fins 350, wherein the cooling guide heat pipe 332 is arranged through the plurality of cooling guide fins 350. The utility model discloses refrigerator 100 can realize the large tracts of land heat transfer through setting heat exchanger 305 to the cold fin 350 of leading that sets up including a plurality of intervals, improves heat exchange efficiency. As shown in fig. 1, an air duct cover plate 104 is disposed on an inner side of a rear wall of a deep cooling inner container 113 of a deep cooling compartment 112, an air supply outlet is disposed on an upper portion of the air duct cover plate 104, an air return outlet is disposed on a lower portion of the air duct cover plate, an accommodating space is defined between the air duct cover plate 104 and the deep cooling inner container 113, a heat exchanger 305 is disposed in the accommodating space, an air flow channel extends substantially in an up-down direction, and an air flow flowing into the accommodating space from the air return outlet passes through the heat exchanger 305 from bottom to top, so that a structure that air flows back down and goes up and out is formed in the deep cooling compartment 112.

Fig. 6 is an exploded schematic view of the double door 400 and the door frame 430 of the refrigerator 100 shown in fig. 1. Fig. 7 is a partially enlarged schematic view of fig. 6. The double door 400 is provided at the front side of the deep cooling compartment 112 to improve the heat preservation effect of the door body of the refrigerator 100 and reduce cold leakage. The double door 400 includes an outer door body 401 and an inner door body 402; the inner door body 402 is positioned on the inner side of the outer door body 401, is arranged on the front side of the deep cooling chamber 112 and is used for opening and closing the deep cooling chamber 112; and the outer door body 401 and the inner door body 402 are provided independently of each other so that the inner door body 402 remains closed while the outer door body 401 is opened outward. The distance between the inner door body 402 and the outer door body 401 is not more than 5 mm. The distance is too large, and the frosting risk is large. The outer surface of the inner door 402 may be provided with a heating wire, and the heating wire may be intermittently opened or opened according to conditions. Meanwhile, in order to ensure that the outer side of the inner door body 402 does not frost, a vacuum heat insulation board can be further arranged inside the inner door body 402, so that the temperature of the outer surface of the inner door body 402 is higher than 0 ℃. In order to overcome the negative pressure problem of the deep cooling compartment 112, a pressure balance hole may be further formed on the door seal of the inner door body 402 to ensure that the inner door body 402 can be opened smoothly.

The embodiment of the utility model provides a refrigerator 100 still includes: a door frame 430 and a mechanical locking mechanism. Door frame 430 is disposed at the front of tank 101 of deep cooling compartment 112. One end of the inner door 402 is connected to the cabinet 101, and the other end is detachably connected to the door frame 430 by a mechanical locking mechanism. By providing a separate door frame 430 in front of the tank 101 of the cryogenic compartment 112, the inner door 402 can be embedded within the tank 101. A seal strip is provided between the inner door body 402 and the door frame 430. Specifically, in order to ensure the sealing performance of the inner door body 402, a sealing strip is provided at the mating surface of the inner door body 402 and the door frame 430, and a sealing strip is also provided at the convex portion of the inner door body 402, i.e., a double door seal, which reduces the gap between the inner door body 402 and the door frame 430. The inner door 402 and the chest 101 may be connected by at least two hinges 450. By connecting the inner door 402 to the box 101 with the hinge 450, the angle of the inner door 402 when opened can be ensured to reach 90 °. The inner door 402 and the chest 101 are typically connected by two hinges 450.

Referring to fig. 7, a front end surface of the door frame 430 is provided with a catching groove 431. The mechanical locking mechanism comprises a first structural member 501, a second structural member 502, a third structural member 503 and a rotating rod 504, wherein a clamping joint 5121 is formed on a side end plate 512 of the first structural member 501, and the first structural member 501 is rotatably connected with the side end surface of the inner door body 402 through the third structural member 503 and the rotating rod 504; the second structural member 502 is connected to the door frame 430 and has a protrusion 521 extending to the slot 431. The inner door body 402 and the door frame 430 are sealed and fixed by moving the clamping head 5121 into the clamping groove 431 and matching the clamping head 521 with the protrusion 521, the inner door body 402 and the door frame 430 are separated by moving the clamping head 5121 out of the clamping groove 431, and the door frame is ingenious in structure and convenient to operate and control.

With continued reference to fig. 7, the first structure 501 includes a front plate 511 and a side plate 512, and a through hole matching with the first rod (not shown) of the rotating rod 504 is formed on the side plate 512. The third structural member 503 includes a front end plate and a side end plate, the side end plate is fixed to the inner door 402 by two mounting holes and a fixing member 530, a through hole for the rotating rod 504 to pass through is also formed between the two mounting holes corresponding to the through hole of the first structural member 501, and the through hole of the third structural member 503 is matched with the second rod portion (not shown in the figure) of the rotating rod 504. And the outer diameter of the first rod part of the rotating rod 504 is larger than that of the second rod part, that is, the outer diameter of the contact area of the rotating rod 504 and the first structural member 501 is larger than that of the contact area of the rotating rod 504 and the third structural member 503, so that the first structural member 501 can be connected with the inner door body 402 and can rotate at the same time. In addition, in order to make the installation of the third structural member 503 and the inner door 402 more stable, a gasket may be provided under the side end plate of the third structural member 503. In the embodiment shown in fig. 7, the first structural member 501 rotates in the front-rear direction, the latch 5121 is formed to extend downward and rearward, and the second structural member 502 has a flat plate portion provided with a mounting hole and a protrusion 521 extending upward from the flat plate portion. It is understood that the first structural member 501 may also be rotated in the up-down direction, in which case the locking groove 431 may be opened in the left-right direction, and the protrusion 521 may extend leftwards or rightwards. In addition, a recess 421 is formed on the front end surface of the inner door 402; the front end plate 511 of the first structural member 501 extends into the recess 421, and the front side is provided with an indication plate 422. The front end plate 511 of the first structural member 501 is located in the concave portion 421, and can be used as a handle, so that the operation of a user is facilitated, the operation direction of the user can be reminded by arranging the indicating plate 422, and the use experience of the user is improved.

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 refrigerator characterized by comprising:

the refrigerator comprises a refrigerator body, a storage compartment and a storage box, wherein the refrigerator body is internally limited with the storage compartment;

a vapor compression refrigeration system configured to provide refrigeration to at least one of the storage compartments; and

a Stirling refrigeration system configured to provide refrigeration to at least one of said storage compartments; wherein

And a device chamber is formed below the storage chamber in the box body, and a compressor of the vapor compression refrigeration system and a Stirling refrigerator of the Stirling refrigeration system are arranged in the device chamber.

2. The refrigerator according to claim 1,

the compressor is arranged at the rear part of the device chamber, and the Stirling refrigerator is arranged at the front part of the device chamber; or

The compressor is arranged at the front part of the device chamber, and the Stirling refrigerator is arranged at the rear part of the device chamber; wherein

And the side walls of the device chamber, which correspond to the compressor and the Stirling refrigerating machine, are respectively provided with a vent.

3. The refrigerator according to claim 2,

the lower parts of two side cover plates of the shell of the box body form the side walls of the device chamber;

the refrigerator further includes:

the front plate is arranged on the front sides of the lower parts of the two side cover plates;

the rear plate is arranged at the rear side of the lower parts of the two side cover plates; and

and a bottom plate forming a bottom of the refrigerator, the front plate, the rear plate, the bottom plate and lower portions of the two side cover plates collectively defining the device chamber.

4. The refrigerator according to claim 3,

a plurality of vent holes are formed in the rear plate.

5. The refrigerator according to claim 2,

the vapor compression refrigeration system further comprises: condenser and first cooling fan, the condenser with the compressor horizontal interval set up in the device is indoor, the condenser with set up between the compressor first cooling fan.

6. The refrigerator according to claim 2,

the stirling refrigeration system further comprising: and the second heat radiation fan and the Stirling refrigerator are transversely arranged in the device chamber at intervals.

7. The refrigerator of claim 2, further comprising:

the evaporation pan extends in the device chamber along the longitudinal direction, each storage chamber is connected with a defrosting drain pipe, and the tail end of each defrosting drain pipe extends into the evaporation pan; wherein the compressor and the Stirling cooler are on the same side of the evaporator pan.

8. The refrigerator according to claim 1, further comprising:

and the partition plate is arranged in the device chamber in a manner of extending along the transverse direction, so that the device chamber is partitioned into a first accommodating cavity at the front part and a second accommodating cavity at the rear part, wherein the compressor and the Stirling refrigerator are arranged in different accommodating cavities.

9. The refrigerator according to claim 1,

the Stirling refrigerator comprises a shell, a cylinder, a piston, a driving mechanism and a fin radiator; the machine shell comprises a main body part and a cylindrical part, the driving mechanism is arranged in the main body part, the piston is configured to be driven by the driving mechanism to reciprocate in the cylindrical part, so that a cold end is formed at one end of the cylindrical part far away from the main body part, and a hot end is formed at one end close to the main body part; the fin radiator is arranged on the periphery of the hot end and fixed with the main body part.

10. The refrigerator according to claim 9,

the stirling refrigeration system further comprising: heat exchanger and cold conducting device, wherein

The heat exchanger is arranged in the storage compartment and comprises a plurality of cooling guide fins arranged at intervals, and an airflow channel is defined between every two adjacent cooling guide fins;

lead cold charge and put including cold junction adapter and lead cold heat pipe, the cold junction adapter with the cold junction is fixed, lead cold heat pipe one end with cold junction adapter thermal connection, the other end is worn to locate a plurality of cold fins of leading.

Images