CN117570621A

CN117570621A - Refrigerator with a refrigerator body

Info

Publication number: CN117570621A
Application number: CN202311394614.8A
Authority: CN
Inventors: 闫明暄; 夏恩品; 刘勇豪; 姬立胜; 殷宝振
Original assignee: Qingdao Haier Refrigerator Co Ltd; Qingdao Haier Smart Technology R&D Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Refrigerator Co Ltd; Qingdao Haier Smart Technology R&D Co Ltd; Haier Smart Home Co Ltd
Priority date: 2023-10-25
Filing date: 2023-10-25
Publication date: 2024-02-20

Abstract

The invention particularly relates to a refrigerator, which comprises a refrigerator body, wherein a storage space and a press bin are defined in the refrigerator body, a compressor, a condenser and an evaporation dish are arranged in the press bin, the evaporation dish defines a containing cavity, and the refrigerator further comprises a supporting structure arranged at the top of the evaporation dish; the condenser comprises a plurality of layers of condensation pipelines which are arranged at intervals along the vertical direction, at least one layer of condensation pipelines are arranged in the accommodating cavity, and at least one layer of condensation pipelines are arranged above the supporting structure. The refrigerator provided by the invention is provided with the multi-layer condensation pipelines, so that the condensation pipelines in the defrosting water accommodating cavity are cooled. The condensing pipeline above the supporting structure is cooled by the air flow inside and outside the pressing machine bin. Through such setting, on original structure basis, through increasing the bearing structure at evaporation dish top, can make the condensation pipeline arrange the multilayer, have compact structure, rationally distributed, advantage that space utilization is high.

Description

Refrigerator with a refrigerator body

Technical Field

The invention relates to the technical field of refrigeration, in particular to a refrigerator.

Background

The refrigerator of prior art, press storehouse setting is in the bottom of refrigerator, is provided with the condenser in the press storehouse, and at present because the restriction in press storehouse space, press storehouse is mostly only arranged one deck condenser, can't arrange the multilayer condenser pipe, and space utilization is not high, leads to influencing the refrigeration efficiency of refrigerator. Therefore, it is necessary to study a refrigerator to solve the above problems.

Disclosure of Invention

The invention aims to provide a refrigerator which is compact in structure, reasonable in layout and high in space utilization rate.

In order to achieve the above object, an embodiment of the present invention provides a refrigerator, including a box body, wherein a storage space and a press bin are defined in the box body, a compressor, a condenser, and an evaporation pan are arranged in the press bin, the evaporation pan defines a containing cavity, and the refrigerator further includes a support structure arranged at the top of the evaporation pan;

the condenser comprises a plurality of layers of condensation pipelines which are arranged at intervals along the vertical direction, at least one layer of condensation pipelines are arranged in the accommodating cavity, and at least one layer of condensation pipelines are arranged above the supporting structure.

As a further improvement of an embodiment of the present invention, the condensation pipeline includes a first layer of condensation pipeline disposed in the accommodating cavity, a second layer of condensation pipeline and a third layer of condensation pipeline disposed above the supporting structure, respectively;

the refrigerator further comprises a fixed bracket fixed at the top of the supporting structure;

the second layer of condensing pipelines and the third layer of condensing pipelines are respectively arranged at the top and the bottom of the fixed support.

As a further improvement of an embodiment of the present invention, the fixing bracket includes a plurality of risers which are distributed at intervals along the length direction of the supporting structure and are arranged above the supporting structure, and a fixing plate for fixing the risers to the top of the supporting structure, wherein the risers are arranged to extend along the width direction of the supporting structure;

The top of the vertical plate is provided with a plurality of penetrating upper fixing holes at intervals along the extending direction of the vertical plate, the top of the upper fixing holes is provided with an upper mounting opening, and the second layer of condensing pipelines are mounted in the upper fixing holes through the upper mounting opening;

the second layer of condensing ducts extend at least partially along the length of the support structure.

As a further improvement of an embodiment of the present invention, a plurality of penetrating lower fixing holes are arranged at intervals along the extending direction of the riser at the bottom of the riser, the bottom of the lower fixing hole is provided with a lower mounting opening, and the third layer condensation pipeline is mounted in the lower fixing hole through the lower mounting opening;

the third layer of condensing ducts extend at least partially along the length of the support structure.

As a further improvement of one embodiment of the present invention, the vertical plate is provided with a plurality of elongated air guides equally spaced in the vertical direction, and the elongated air guides are arranged to extend in the width direction of the support structure.

As a further improvement of an embodiment of the present invention, the evaporator further comprises a fixing base unit disposed at the top of the evaporation pan, the fixing base unit includes a plurality of elastic fixing members disposed at intervals and used for the third layer of condensation pipelines to pass through and mount, and a clamping seat used for mounting the elastic fixing members, and the elastic fixing members include elastic materials; and/or the number of the groups of groups,

The inner wall of the accommodating cavity is also provided with the fixing seat unit, and the fixing seat unit of the inner wall of the accommodating cavity is used for fixing the first layer of condensation pipeline.

As a further improvement of an embodiment of the present invention, one end of the clamping seat is connected with the top of the supporting structure, the other end of the clamping seat is a free end, and an installation space for installing the elastic fixing piece is defined between the clamping seat and the supporting structure; and/or the number of the groups of groups,

one end of the clamping seat is connected with the inner wall of the evaporation dish, the other end of the clamping seat is a free end, and an installation space for installing the elastic fixing piece is defined between the clamping seat and the evaporation dish.

As a further improvement of an embodiment of the invention, the refrigerator further comprises an evaporator arranged in the box body, a refrigeration compartment for accommodating the evaporator and a defrosting drain pipe for communicating the refrigeration compartment with the accommodating cavity, wherein the defrosting drain pipe guides defrosting water generated when the evaporator is defrosted into the accommodating cavity.

As a further improvement of an embodiment of the invention, the device further comprises a first fan arranged in the press bin;

the box body comprises a pressing machine bin backboard;

The refrigerator further comprises a bottom air inlet which is arranged at the bottom of the refrigerator body and communicated with the inside and the outside of the press bin, and a back air outlet which is arranged on the back plate of the press bin and communicated with the inside and the outside of the press bin, wherein the back air outlet is upward;

the condenser is arranged between the bottom air inlet and the back air outlet.

As a further improvement of an embodiment of the present invention, the housing further comprises a bottom plate for defining the press magazine;

the bottom plate comprises a horizontal bottom plate vertically connected with the back plate of the press bin and a vertical bottom plate bent upwards by the horizontal bottom plate, wherein the horizontal bottom plate and/or the vertical bottom plate is/are provided with a bottom air inlet, and the bottom air inlet is provided with a plurality of air inlet through holes along the left and right direction of the bottom plate at intervals.

As a further improvement of an embodiment of the present invention, the multi-layer condensation pipeline of the condenser is disposed adjacent to the bottom air inlet.

As a further improvement of an embodiment of the present invention, the first fan is disposed at the back air outlet;

the top of the first fan is provided with a top air outlet with an upward opening, and the top air outlet extends out of the back air outlet;

A front air suction port positioned in the press bin is arranged at the front part of the first fan;

the outer wall of the back plate of the press bin is inwards sunken to form a containing notch for containing the top air outlet.

As a further improvement of an embodiment of the present invention, the first fan includes a volute, an impeller disposed in the volute, and an extending hook disposed in a manner that the volute extends downward and is engaged with the supporting structure,

the support structure is provided with a clamping hole which is matched with the extension clamping hook in a clamping way, and the extension clamping hook stretches into the accommodating cavity through the clamping hole;

wherein, the evaporation dish is close to one side of spiral case has seted up dodges some the dodge mouthful of spiral case.

As a further improvement of an embodiment of the invention, the evaporation dish further comprises a fastener for fixing the supporting structure on the top of the evaporation dish and a fixing column which is arranged on the evaporation dish and is used for the threaded matching of the fastener;

wherein the fastener passes through the evaporation pan and fastens with the fixed column, the fastener will the bearing structure with evaporation pan forms an integral whole.

As a further improvement of an embodiment of the present invention, the first fan is configured as a centrifugal fan.

Compared with the prior art, the invention has the beneficial effects that: according to the refrigerator provided by the invention, the plurality of layers of condensation pipelines are arranged, at least one layer of condensation pipeline is arranged in the accommodating cavity, and at least one layer of condensation pipeline is arranged above the supporting structure. The defrosting drain pipe guides defrosting water generated when the evaporator is defrosted into the accommodating cavity, so that the condensing pipeline in the accommodating cavity is cooled. The condensing pipeline above the supporting structure is cooled by the air flow inside and outside the pressing machine bin. Through such setting, on original structure basis, through increasing the bearing structure at evaporation dish top to design relevant structure on bearing structure, can make the condensation pipeline arrange the multilayer, make full use of press storehouse's space. Has the advantages of compact structure, reasonable layout and high space utilization rate.

Drawings

Fig. 1 is a schematic view of a refrigerator according to a first embodiment of the present invention;

FIG. 2 is a schematic view of the structure within the press magazine of FIG. 1;

FIG. 3 is a schematic view of a mounting structure of the first fan of FIG. 1;

FIG. 4 is a schematic view of the structure of FIG. 2 in the bottom view;

FIG. 5 is a schematic view of a cross-sectional structure in the direction A-A of FIG. 4;

FIG. 6 is a schematic view of the structure in the rear view direction of FIG. 1;

Fig. 7 is a schematic view of a structure of a refrigerator according to the first embodiment including a vertical wind deflector;

FIG. 8 is a schematic view of the structure of FIG. 7 in the front view direction;

fig. 9 is a schematic view of a structure of a refrigerator according to the first embodiment including a multi-layered condensation duct;

FIG. 10 is a schematic diagram of an embodiment of a multi-layer condensing manifold;

FIG. 11 is a schematic view of the structure within the evaporation pan of FIG. 10;

FIG. 12 is a schematic view of another embodiment of a multi-layer condensing manifold;

fig. 13 is a schematic view of a refrigerator according to a second embodiment of the present invention;

fig. 14 is a schematic view of the structure of fig. 13 in a top view;

FIG. 15 is a schematic view showing a sectional structure in the B-B direction of FIG. 14;

FIG. 16 is a schematic view of the air outlet duct of FIG. 13;

fig. 17 is a schematic view of a refrigerator according to a third embodiment of the present invention;

FIG. 18 is an enlarged schematic view of the area C in FIG. 17;

FIG. 19 is a schematic view of a fastening structure of the first condenser of FIG. 17;

fig. 20 is a schematic structural view of another fixing manner of the first condenser in fig. 17.

In the figure: 1. a case; 11. a press bin; 12. a bottom plate; 121. a bottom air inlet; 122. a horizontal bottom plate; 123. a vertical base plate; 124. a fixing boss; 13. a press bin backboard; 131. positioning holes; 132. allowing the notch; 133. a back air outlet; 14. a press bin support plate; 141. a support base; 142. a support slope; 143. a support top; 15. a rear back plate; 151. a first side; 152. a second side; 16. a top plate; 18. an air guiding groove; 19. a connection groove; 21. an outer boss portion; 22. an inner boss portion; 23. an inner groove; 24. an evaporation dish; 241. an avoidance port; 242. a receiving chamber; 25. an elastic fixing member; 26. a clamping seat; 3. a support plate; 31. a support body; 32. a mounting cavity; 321. a circular arc concave surface; 322. a recessed front wall; 323. an opening portion; 324. a positioning block; 41. a first fan; 411. a volute front wall; 412. a front air suction port; 413. a volute rear wall; 414. an arc-shaped side wall; 415. a clamping groove; 416. a volute top wall; 417. a top exhaust outlet; 418. a buckle; 419. a hook; 42. extending the clamping hook; 43. a second fan; 50. an air outlet duct; 51. a first groove wall; 52. a second groove wall; 521. a guide ramp section; 522. guiding the vertical section; 53. a vertical wind deflector; 54. a first air outlet duct; 55. an air inlet of the air duct; 56. a second air outlet duct; 57. an air outlet of the air duct; 58. an air duct plate; 59. an air duct fixing plate; 591. a guide slope; 61. a first layer of condensing pipelines; 62. a second layer of condensing pipelines; 63. a third layer of condensing pipeline; 64. a first condenser; 641. a vertical section condenser tube; 642. a circular arc section condenser tube; 65. a second condenser; 66. a third condenser; 67. a compressor; 7. a fixed bracket; 71. a riser; 711. an upper fixing hole; 712. a lower fixing hole; 72. an elongated air guide port; 73. and a fixing plate.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the invention and structural, methodological, or functional modifications of these embodiments that may be made by one of ordinary skill in the art are included within the scope of the invention.

It should be understood that in the description of the present invention, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

In the present invention, unless explicitly specified and limited otherwise, the terms "connected," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally formed, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween.

Fig. 1 to 12 illustrate a refrigerator provided in a first embodiment of the present invention.

Referring to fig. 1 and 2, the refrigerator includes a cabinet 1, a door body. The interior of the box 1 defines a storage space and a press bin 11. The door body is used for opening or closing the storage space. The case 1 includes a liner defining a storage space. The refrigerator further includes a refrigerating system provided in the cabinet 1. The refrigeration system includes a compressor 67, a condenser component, a throttle component, and an evaporator, which are connected in sequence to form a refrigeration circuit. The refrigerator of the present invention is preferably a built-in refrigerator for use in a built-in cabinet or other accommodation space to save indoor space.

In the invention, the direction in which the user opens the door body is defined as the front. The door body is mounted on the front side of the case 1.

Further, a press bin 11 is located at the bottom of the box 1. A compressor 67 and a first fan 41 are provided in the press housing 11. The first fan 41 is configured to enable heat in the press bin 11 to be effectively discharged in time to secure a cooling effect of the refrigerator.

Referring to fig. 2, the refrigerator further includes a support plate 3. The support plate 3 is located below the first fan 41 and supports the first fan 41. The support plate 3 is used for supporting and mounting the first fan 41. The first fan 41 includes a scroll casing and an impeller disposed in the scroll casing.

Referring to fig. 3, in a first embodiment of the first fan 41, the support plate 3 is provided with a mounting cavity 32 accommodating the first fan 41. The mounting cavity 32 is an open structure with openings. A portion of the volute is received in the mounting cavity 32 and another portion of the volute extends out of the mounting cavity 32. Wherein the volute of the first fan 41 is spaced from the inner wall of the mounting chamber 32. The first fan 41 can vibrate during operation, and a space for buffering the vibration of the volute is preset between the volute and the inner wall of the installation cavity 32, so that the supporting plate 3 has certain elasticity and has the advantage of reducing noise.

The refrigerator provided by the invention is provided with the first fan 41 supported and installed by the supporting plate 3, part of the volute of the first fan 41 is accommodated in the installation cavity 32, the other part of the volute extends out of the installation cavity 32, and the volute is arranged at intervals with the inner wall of the installation cavity 32. The space between the scroll case and the inner wall of the installation cavity 32 for buffering the vibration of the scroll case is preset, so that the support plate 3 has a certain elasticity to attenuate the noise generated by the vibration of the first fan 41. Has the advantages of simple installation, noise reduction and cost reduction.

Further, the support plate 3 includes a support body 31, an arc recess surface 321 where the support body 31 is recessed downward, and a recess front wall 322 where a front side edge of the arc recess surface 321 extends upward and is connected to the support body 31. The arc concave surface 321 is arranged in a shape matching with the shape of the volute. Wherein the circular arc recessed surface 321 and the recessed front wall 322 together define the mounting cavity 32.

Further, an opening of the mounting chamber 32 is defined between the rear side edge of the circular arc recessed surface 321 and the support body 31. Wherein, a part of the first fan 41 is exposed to the outside of the installation cavity 32 through the opening. The rear side of the installation cavity 32 is opened, and further the support plate 3 has a certain elasticity to attenuate noise generated by the vibration of the first fan 41.

As shown in fig. 4 and 5, the pivot center line a of the first blower 41 extends in the front-to-rear direction. The pivot center line a of the first fan 41 is the rotation center line of the first fan 41.

Referring to fig. 2, the scroll includes a scroll front wall 411, a scroll rear wall 413, and an arc-shaped side wall 414 connecting the scroll front wall 411 and the scroll rear wall 413. The arc sidewall 414 has a U-shaped arc structure with bilateral symmetry. The scroll front wall 411 and the scroll rear wall 413 are provided on the front and rear sides of the arc-shaped side wall 414, respectively.

Preferably, the volute also includes a volute top wall 416. The scroll top wall 416, the scroll front wall 411, the scroll rear wall 413, and the arc-shaped side wall 414 together enclose a scroll.

Referring to fig. 2 and 3, the arc-shaped side wall 414 is spaced apart from the arc-shaped recessed surface 321, and the volute front wall 411 is spaced apart from the recessed front wall 322.

Specifically, a space is preset between the arc-shaped side wall 414 and the arc-shaped concave surface 321, and a space is preset between the volute front wall 411 and the concave front wall 322. And a portion of the arc-shaped side wall 414, a portion of the volute rear wall 413, extend out of the installation cavity 32 through an opening portion of the installation cavity 32. A buffer space for buffering the vibration of the scroll is formed between the scroll and the support plate 3 so that the support plate 3 has a certain elasticity to attenuate the noise generated by the vibration of the first fan 41.

Further, the first fan 41 further includes a clamping portion formed by the volute and positioned and clamped with the support plate 3. The support plate 3 further comprises a positioning part which is positioned and installed with the clamping part. The positioning part and the clamping part are assembled and disassembled, so that the assembly process of the first fan 41 on the supporting plate 3 is simplified, and the noise is reduced.

Referring to fig. 5, the clamping portion includes a clamping groove 415 formed in the volute front wall 411. Wherein, the positioning part comprises a positioning block 324 which extends into the mounting cavity 32 from the concave front wall 322 and is clamped into the clamping groove 415.

Specifically, a portion of the volute rear wall 413 disposed opposite to the card slot 415 protrudes out of the mounting chamber 32 through the opening portion of the mounting chamber 32. Therefore, the volute vibration allowable positioning block 324 and the clamping groove 415 can move in the front-back direction within a small amplitude, so that noise generated by volute vibration is relieved. Preferably, a portion of the clamping groove 415 is exposed out of the support body 31 to preset a buffer space for buffering the vibration of the volute.

Further, the clamping portion further includes a buckle 418 formed by extending the arc-shaped side wall 414 to two sides. The two buckles 418 are respectively disposed on two sides of the arc-shaped sidewall 414 in a bilateral symmetry manner.

Wherein, the part of the arc-shaped side wall 414 extends out of the mounting cavity 32 through the opening part of the mounting cavity 32, and the buckle 418 extends outwards from the arc-shaped side wall 414. The clip 418 protrudes out of the mounting chamber 32 through the opening and abuts against the lower surface of the support body 31. The top of the catch 418 is positioned in abutment with the lower surface of the support body 31 in the up-down direction.

Further, the catch 418 has an arc-shaped guide surface that is mounted in the opening portion in a guide manner, and an abutment plane that abuts against the lower surface of the support body 31. Wherein, buckle 418 includes the buckle body, and the arcuation guide surface forms in the lateral part of buckle body, and the butt plane forms in the top of buckle body.

In the installation process of the first fan 41, two buckles 418 respectively extend into the outside of the installation cavity 32 through the opening parts and are in butt joint with the lower surface of the supporting body 31, so that the left-right and up-down positioning installation of the first fan 41 is realized, and meanwhile, the positioning blocks 324 are clamped into the clamping grooves 415, so that the front-back positioning installation of the first fan 41 is realized. Has the advantages of simple installation mode and noise reduction. When the first fan 41 is installed, a space is preset between the arc-shaped side wall 414 and the arc-shaped concave surface 321, and a space is preset between the volute front wall 411 and the concave front wall 322. So that the support plate 3 has a certain elasticity to attenuate noise generated by the vibration of the first fan 41.

Further, the first fan 41 is inclined downward in the front-to-rear direction, and the scroll casing is inclined to be installed in the installation cavity 32. The circular arc recessed surface 321 is inclined downward in the front-to-rear direction. The arc concave surface 321 is matched with the arc side wall 414.

Further, in order to install the first fan 41 of a large size as much as possible in the limited space of the press magazine 11, the pivot center line a of the first fan 41 forms an angle with the horizontal plane and is disposed obliquely in the front-to-rear direction. Such an arrangement enables to increase the size of the fans in case that the size of the press house 11 is fixed, to improve the heat radiation cooling effect of the first fans 41, and to make full use of the space of the press house 11.

Further, the pivot center line a of the first fan 41 forms an angle smaller than 45 ° with the horizontal plane. Preferably, the pivot center line a of the first fan 41 is inclined downward in the front-to-rear direction, and the pivot center line a of the first fan 41 forms an angle of 5 ° to 15 ° with the horizontal plane.

Further, the first fan 41 is inclined downward in the front-to-back direction, so that the center of gravity of the first fan 41 is set downward in the front-to-back direction, the front wall 411 of the volute forms a clamping groove 415, and the positioning block 324 on the front wall 322 of the recess moves backward in the front-to-back direction in the clamping groove 415, so that the rear wall 413 of the volute opposite to the front-to-back direction of the clamping groove 415 extends out of the mounting cavity 32 through the opening of the mounting cavity 32, and the front wall 411 of the volute is always kept at a distance from the front wall 322 of the recess, so as to weaken noise generated by vibration of the first fan 41.

Further, the case 1 includes a bottom plate 12, a press house back plate 13, and a press house support plate 14. The press house backplate 13 is provided on the rear side of the bottom plate 12. The case 1 further includes side plates provided on the left and right sides of the bottom plate 12. The bottom plate 12, the press bin back plate 13 and the press bin support plate 14 are made of heat-conducting metal materials.

A press house support plate 14 extends rearward and upward from the front side of the bottom plate 12 and connects to the press house back plate 13. The press bin support plate 14 includes a support bottom 141 provided on the front side of the bottom plate 12 and provided adjacent to the bottom plate 12, a support slope 142 extending obliquely upward from the support bottom 141, and a support top 143 extending horizontally rearward from the support slope 142. The support top 143 is connected to the press house backplate 13. The bottom plate 12, the press house back plate 13, the support ramps 142, the support tops 143, and the side plates together define the press house 11.

The first fan 41 is connected to the press bin back plate 13 in an inclined manner. The lower portion of the first blower 41 is mounted by the support plate 3. The back of the first fan 41 is fixed on the press bin back plate 13, so that stable installation of the first fan 41 is realized. Has the advantages of stable and reliable structure.

As shown in fig. 6, the first fan 41 includes a scroll casing and an impeller disposed in the scroll casing. The spiral case extends backward and is provided with a clamping hook 419 which is clamped with the back plate 13 of the press bin. Preferably, the volute includes a volute front wall 411, a volute rear wall 413, and an arcuate sidewall 414 connecting the volute front wall 411 and the volute rear wall 413. The rear wall 413 of the volute extends rearward to form a catch 419.

Wherein, the press bin backboard 13 is provided with a positioning hole 131 which is penetrated and arranged front and back, and the hook 419 protrudes into the positioning hole 131 to be clamped with the press bin backboard 13. Preferably, the hook 419 includes a hook body formed by extending the back wall 413 of the volute, and a hook portion formed by bending the hook body downwards.

Further, the volute also includes a volute top wall 416 that protrudes outside the press bin back plate 13. The scroll top wall 416 is provided with a plurality of top vents 417 with openings facing upward. The first fan 41 is connected to the press bin back plate 13 in an inclined manner, and it is understood that the first fan 41 is not connected to the press bin back plate 13 in an inclined manner. The top air outlet 417 may also extend through a connecting channel to the outside of the press house backplate 13.

The outer wall of the back plate 13 of the press bin is inwards recessed to form a containing notch 132 for containing the top air outlet 417. The scroll top wall 416 extends outside the press housing back plate 13 such that the top air outlet 417 is exposed outside the press housing back plate 13. Has the advantages of compact structure and reasonable heat dissipation air path.

The front wall 411 of the volute is provided with a front suction opening 412 in the press house 11. The bottom plate 12 is provided with a bottom air inlet 121 communicated with the inside and the outside of the press bin 11. When the first fan 41 is operated, air outside the press bin 11 enters through the bottom air inlet 121 on the bottom plate 12, is sucked into the first fan 41 through the front air suction inlet 412, and is discharged upwards along the outer side of the press bin back plate 13 through the top air outlet 417 of the first fan 41. So that the compressor bin 11 forms a heat dissipation mode of bottom air inlet and rear air outlet, and the inside of the compressor bin 11 is cooled and dissipated to improve the compression refrigeration effect of the compressor 67.

Further, the pivot center line a of the first fan 41 is inclined downward in the front-to-rear direction, and the pivot center line a of the first fan 41 forms an angle of 5 ° to 15 ° with the horizontal plane.

The angle formed by the pivot center line a of the first fan 41 and the horizontal plane is equal to the angle formed by the front wall 411 of the volute and the back plate 13 of the press cabin, and the angle formed by the front wall 411 of the volute and the back plate 13 of the press cabin is smaller than 15 degrees, so that the top air outlet 417 can be discharged upwards along the outer side of the back plate 13 of the press cabin.

Further, the case 1 includes a rear back plate 15 provided to extend upward from the press house back plate 13. The back plate 15 abuts the upper side of the press house back plate 13. The back plate 15 is a heat conductive metal material.

Further, the refrigerator further includes a first condenser 64 provided inside the rear backplate 15. At least part of the piping of the first condenser 64 is in the same direction as the extension of the back plate 15.

Specifically, when the first fan 41 is operated, air outside the press bin 11 enters through the bottom air inlet 121 on the bottom plate 12 under the driving of the first fan 41, firstly cools the compressor 67 of the press bin 11, then is sucked into the first fan 41 through the front air suction inlet 412, and air discharged through the top air outlet 417 is discharged upwards along the outer side of the press bin back plate 13, so as to cool the first condenser 64 inside the back plate 15, perform air secondary utilization, and improve the heat dissipation effect of the refrigerator.

Further, the refrigerator further includes an evaporation pan 24 provided in the press bin 11, and a fastener for fixing the support plate 3 to the top of the evaporation pan 24, and the evaporation pan 24 defines a receiving cavity 242 therein. An evaporation pan 24 is provided on the base plate 12.

Wherein the mounting cavity 32 is formed extending into the receiving cavity 242. The evaporation pan 24 is disposed adjacent to the compressor 67 in the left-right direction so as to sufficiently exert the air suction and heat radiation effects of the first fan 41.

Further, the refrigerator further comprises an evaporator arranged in the refrigerator body 1, a refrigeration compartment for accommodating the evaporator, and a defrosting drain pipe for communicating the refrigeration compartment with the accommodating cavity 242. Wherein, the defrosting drain pipe guides defrosting water generated when the evaporator is defrosted into the accommodating cavity 242.

Further, the refrigerator further includes a plurality of elastic fixing members 25 disposed in the receiving cavity 242 and positioned at the bottom of the support plate 3, and the elastic fixing members 25 include an elastic material. The elastic fixing member 25 may be provided to further attenuate noise generated by the vibration of the first fan 41.

The inner wall of the evaporating dish 24 extends into the accommodating cavity 242 to form a clamping seat 26 for fixing the elastic fixing piece 25, one end of the clamping seat 26 is connected with the inner wall of the evaporating dish 24, and the other end of the clamping seat 26 is a free end. Wherein, the clamping seat 26 and the evaporating dish 24 define a mounting space for mounting the elastic fixing piece 25. Has the advantages of simple installation mode and convenient processing.

Further, the refrigerator further includes a second condenser 65 disposed in the evaporating dish 24, wherein the second condenser 65 is disposed through the plurality of elastic fixing members 25. The defrost water in the evaporation pan 24 may cool the piping of the second condenser 65.

Further, the first fan 41 is set as a centrifugal fan. The air is accelerated by the impeller rotating at a high speed, then decelerated, changed in flow direction, and discharged from the top outlet 417. Has the advantage of good heat dissipation effect.

As shown in fig. 7, the refrigerator further includes an air outlet duct 50 provided at the back of the cabinet 1.

The refrigerator further includes a plurality of vertical air deflectors 53 provided on the back of the cabinet 1 and spaced apart in the left-right direction. The vertical air deflector 53 is vertically extended from bottom to top.

Wherein, the plurality of vertical air deflectors 53 divide the air outlet duct 50 into a plurality of sub-ducts.

Further, the case 1 includes a press house back plate 13 for defining the press house 11, a rear back plate 15 extending upward from the press house back plate 13. The back plate 15 abuts the upper side of the press house back plate 13.

The refrigerator further includes a back air outlet 133 provided on the press bin back plate 13 and communicating the inside and outside of the press bin 11. The back air outlet 133 is provided upward. It will be appreciated that the refrigerator further includes an air inlet communicating the inside and the outside of the press housing 11.

When the first fan 41 is operated, air outside the press bin 11 enters the press bin 11 through the air inlet under the driving of the first fan 41, firstly cools the compressor 67 of the press bin 11, and then is discharged out of the press bin 11 through the back air outlet 133. Wherein, the air outlet of the first fan 41 is communicated with the back air outlet 133.

Through setting up vertical aviation baffle 53 to the air current that makes the outside of discharging press storehouse 11 through back air outlet 133 can be even upwards discharge along box 1 back, plays the effect of direction air flow, makes the heat dissipation even. Thus improving the heat dissipation efficiency of the refrigerator to improve the cooling efficiency. Wherein, a plurality of vertical aviation baffle 53 set up on back panel 15 respectively.

Further, the back plate 15 includes a first side 151 and a second side 152 disposed opposite to each other in the left-right direction. The back air outlet 133 is disposed proximate the first side 151. The case 1 further includes side plates disposed on the first side 151 and the second side 152, respectively.

Wherein, the distance between the bottom of the plurality of vertical air deflectors 53 and the plane of the back air outlet 133 gradually increases along the direction from the first side 151 to the second side 152. So that the sub-air ducts far away from the back air outlet 133 area can also have air flowing therethrough, thereby ensuring that each sub-air duct has air flowing therethrough.

The closer to the back air outlet 133, the more air flows over it, and the more air is to flow toward the area away from the back air outlet 133, so the bottom of the vertical air deflector 53 closer to the back air outlet 133 is closer to the plane of the back air outlet 133. Similarly, the further away from the back air outlet 133 the bottom of the vertical air deflector 53 is from the plane of the back air outlet 133.

In this embodiment, the top portions of the plurality of vertical air deflectors 53 are horizontally aligned, and the lengths of the plurality of vertical air deflectors 53 gradually decrease in the direction from the first side 151 to the second side 152, so that the distance between the bottom portions of the plurality of vertical air deflectors 53 and the plane of the back air outlet 133 gradually increases.

Further, the outer wall of the rear back plate 15 is inwardly recessed to form an air outlet duct groove for defining the air duct 50. The back plate 15 includes groove walls for forming the outlet duct grooves. Preferably, the refrigerator further includes an outlet duct 50 cover plate covering the outlet duct groove.

The groove walls include a first groove wall 51 and a second groove wall 52 extending upward from two ends of the back air outlet 133.

Wherein first groove wall 51 is disposed adjacent first side 151 and second groove wall 52 is disposed adjacent second side 152.

Further, the first groove wall 51 is configured as a vertical groove wall, and the second groove wall 52 includes a guiding slope section 521 extending upward from the back air outlet 133, and a guiding vertical section 522 extending upward from the guiding slope section 521. The guide ramp section 521 serves to guide the upward flow of air exiting the back air outlet 133 to direct the flow of air to the sub-stacks in the region remote from the back air outlet 133 to improve the uniformity of air flow through each sub-stack.

Further, a vertical air deflector 53 is provided to the outer wall of the back plate 15. The vertical air deflector 53 is disposed above the back air outlet 133. The first condenser 64 is disposed on the inner wall of the back plate 15, and at least part of the pipes of the first condenser 64 extend in the same direction as the sub-air duct. At least part of the pipes of the first condenser 64 are correspondingly arranged at the inner side of the sub-air duct.

When the first fan 41 is operated, air outside the press bin 11 enters through the air inlet under the driving of the first fan 41, firstly cools down and cools down the compressor 67 of the press bin 11, then is discharged out of the press bin 11 through the back air outlet 133, and the air discharged out of the back air outlet 133 flows upwards so as to cool down the first condenser 64 on the inner wall of the back plate 15, thereby performing air secondary utilization and improving the heat dissipation effect of the refrigerator refrigerating system.

As shown in fig. 8, the piping of first condenser 64 includes a plurality of vertical-segment condenser tubes 641 extending from bottom to top, and circular-arc-segment condenser tubes 642 connecting adjacent two vertical-segment condenser tubes 641.

The piping of the first condenser 64 is spirally extended from top to bottom. The total length of the plurality of vertical segment condenser tubes 641 is much larger than that of the plurality of circular arc segment condenser tubes 642, so that it is important to cool down the plurality of vertical segment condenser tubes 641. Wherein, vertical segment condenser tube 641 is correspondingly arranged at the inner sides of the plurality of sub-air channels. The air discharged from the back air outlet 133 flows upward, and the air flows through the sub-air ducts, so that the vertical section condenser tube 641 is correspondingly arranged at the inner sides of the plurality of sub-air ducts, the air can be fully utilized for the second time, and the heat dissipation effect of the refrigerating system of the refrigerator is improved.

Referring to fig. 7, in the second embodiment of the first fan 41, the first fan 41 is disposed at the back air outlet 133. The top of the first fan 41 is provided with a top air outlet 417 with an opening facing upwards, and the top air outlet 417 extends out of the back air outlet 133. Preferably, the pivot center line a of the first fan 41 is disposed to extend horizontally in the front-to-rear direction.

Further, the first fan 41 is fixed to the press bin back plate 13. The outer wall of the back plate 13 of the press bin is inwards recessed to form a containing notch 132 for containing the top air outlet 417. Part of the first fan 41 extends out of the back air outlet 133, and the other part of the first fan 41 is arranged in the press bin 11. Wherein, the top air outlet 417 is communicated with the air outlet duct 50 through the accommodating gap 132.

Further, the first fan 41 includes a scroll casing and an impeller disposed in the scroll casing. The volute comprises a volute front wall 411, a volute rear wall 413, an arc-shaped side wall 414 connecting the volute front wall 411 and the volute rear wall 413, and a volute top wall 416. The scroll top wall 416 is provided with a top vent 417. The front wall 411 of the volute is provided with a front suction opening 412 in the press house 11. When the first fan 41 is operated, air outside the press bin 11 enters through the bottom air inlet 121 on the bottom plate 12, is sucked into the first fan 41 through the front air suction inlet 412, and is discharged upwards along the outer side of the press bin back plate 13 through the top air outlet 417. So that the press bin 11 forms a heat dissipation mode of bottom air inlet and rear air outlet. So that the interior of the press bin 11 is cooled and radiated to improve the compression refrigeration effect of the compressor 67.

Further, the box 1 further comprises a bottom plate 12 for defining the press bin 11, and a bottom air inlet 121 communicated with the inside and the outside of the press bin 11 is arranged on the bottom plate 12. When the first fan 41 is operated, air outside the press bin 11 enters through the bottom air inlet 121 on the bottom plate 12 under the drive of the first fan 41, is discharged out of the press bin 11 through the back air outlet 133, and is discharged upwards along the outer side of the press bin back plate 13. So that the press bin 11 forms a heat dissipation mode of bottom air inlet and rear air outlet. So that the interior of the press bin 11 is cooled and radiated to improve the compression refrigeration effect of the compressor 67.

Further, the case 1 includes a press magazine support plate 14 extending obliquely upward from the front side of the bottom plate 12, and a third condenser 66 provided on the press magazine support plate 14.

The press bin support plate 14 includes a support bottom 141 disposed adjacently to the front side of the bottom plate 12, a support slope 142 extending obliquely rearward and upward from the support bottom 141, and a support top 143 extending horizontally rearward from the support slope 142 onto the press bin back plate 13.

The bottom plate 12, the press house back plate 13, the support ramps 142 and the support tops 143 together define the press house 11.

Further, the bottom plate 12 includes a horizontal bottom plate 122 vertically connected to the press bin back plate 13, and a vertical bottom plate 123 formed by bending the horizontal bottom plate 122 upward and disposed adjacent to the support slope 142. Preferably, a space is preset between the vertical bottom plate 123 and the supporting inclined part 142, so that air outside the refrigerator can enter the press bin 11 through the space between the vertical bottom plate 123 and the supporting inclined part 142.

Wherein, the horizontal bottom plate 122 and/or the vertical bottom plate 123 are provided with a bottom air inlet 121. The bottom air inlet 121 is provided with a plurality of air inlet through holes at intervals along the left-right direction of the bottom plate 12. When the first fan 41 is operated, air outside the press bin 11 enters through the bottom air inlet 121 on the bottom plate 12 under the driving of the first fan 41, and the compressor 67 in the press bin 11 is cooled. In this embodiment, at least two sets of bottom air inlets 121 are respectively disposed on the horizontal bottom plate 122 and the vertical bottom plate 123. Each set of bottom air inlets 121 includes a plurality of air inlet holes.

Further, the compressor 67 is disposed at a distance from the first fan 41 in the left-right direction of the horizontal bottom plate 122.

At least part of the air inlet through hole is arranged in front of the compressor 67. A part of the air inlet through holes are also arranged in front of the first fan 41.

Further, a portion of the horizontal bottom plate 122 extends downward to form a fixing boss 124. The fixing boss 124 is disposed at the rear of the bottom air inlet 121. The fixing boss 124 is provided so that air outside the refrigerator is introduced into the press bin 11 through the bottom air inlet 121. Has the advantages of simple structure and easy realization.

As shown in fig. 9, a condenser and an evaporation pan 24 are provided in the press housing 11. The evaporation pan 24 defines a receiving cavity 242. The refrigerator also includes a support structure disposed on top of the evaporation pan 24.

In the present embodiment, the support structure is the aforementioned support plate 3.

The condenser comprises a plurality of layers of condensation pipelines arranged at intervals along the vertical direction, at least one layer of condensation pipeline is arranged in the accommodating cavity 242, and at least one layer of condensation pipeline is arranged above the supporting structure. The defrosting drain pipe guides defrosting water generated when the evaporator is defrosted into the accommodating cavity 242, so that the condensing pipeline in the accommodating cavity 242 is cooled down. The condensing pipeline above the supporting structure is cooled by the air flow inside and outside the press bin 11. Through such setting, on original structure basis, through increasing the bearing structure at evaporation pan 24 top to design relevant structure on bearing structure, can make the condensation pipeline arrange the multilayer, make full use of press storehouse 11's space. Has the advantages of compact structure, reasonable layout and high space utilization rate.

Referring to fig. 9 and 10, one embodiment of a multi-layer condensing manifold includes at least three layers. The condensing pipelines comprise a first layer of condensing pipelines 61 arranged in the accommodating cavity 242, a second layer of condensing pipelines 62 and a third layer of condensing pipelines 63 respectively arranged above the supporting structure. The refrigerator further comprises a fixing bracket 7 fixed to the top of the support structure. The fixed bracket 7 is used for fixedly mounting a condensation pipeline arranged above the supporting structure.

The second layer of condensation pipelines 62 and the third layer of condensation pipelines 63 are respectively arranged at the top and the bottom of the fixed bracket 7. The second layer condensation line 62 is disposed directly above the third layer condensation line 63 by the fixing bracket 7. So that the space above and below the support structure does not need to be additionally increased by the extra space of the press house 11 for the arrangement of the multi-layer condensation line.

Further, the fixing bracket 7 is integrally formed, and the fixing bracket 7 comprises a plurality of vertical plates 71 which are distributed at intervals along the length direction of the supporting structure and are arranged above the supporting structure, and fixing plates 73 which fix the vertical plates 71 on the top of the supporting structure. The risers 71 extend along the width of the support structure. The longitudinal direction refers to the left-right direction. The width direction refers to the front-rear direction.

Further, a plurality of upper fixing holes 711 penetrating through the top of the riser 71 are provided at intervals along the extending direction of the riser 71, the top of the upper fixing holes 711 is provided with an upper mounting opening, and the second layer of condensing pipelines 62 are mounted in the upper fixing holes 711 through the upper mounting opening.

The second layer of condensing ducts 62 extend at least partially along the length of the support structure. The second layer of condensing ducts 62 include horizontal duct portions extending along the length of the support structure, and arcuate duct portions connecting adjacent two horizontal duct portions. The length of the horizontal pipeline part is far longer than that of the circular arc pipeline part.

Referring to fig. 9, in one fixing manner of the third-layer condensing duct 63, a plurality of lower fixing holes 712 penetrating through the bottom of the riser 71 are provided at intervals along the extending direction of the riser 71, the bottom of the lower fixing holes 712 has lower mounting openings, and the third-layer condensing duct 63 is mounted to the lower fixing holes 712 through the lower mounting openings. The lower fixing hole 712 is configured to be vertically symmetrical with the upper fixing hole 711.

The third layer of condensing ducts 63 extend at least partially along the length of the support structure. The third layer condensing duct 63 has the same structure as the second layer condensing duct 62.

Further, the vertical plate 71 is provided with a plurality of elongated air guides 72 equally spaced apart in the vertical direction, the elongated air guides 72 being disposed extending in the support structure width direction. The elongated air guide 72 functions to guide the air flow of the press housing 11. The number of the long air guide openings 72 is multiple, and the long air guide openings 72 are arranged at intervals along the height direction of the supporting structure, so that the second layer condensation pipeline 62 and the third layer condensation pipeline 63 are uniformly cooled.

Referring to fig. 10, another fixing manner of the third layer condensation pipeline 63 is shown, the refrigerator further includes a fixing base unit disposed at the top of the evaporating dish 24, the fixing base unit includes a plurality of elastic fixing members 25 disposed at intervals and used for the third layer condensation pipeline 63 to penetrate through and install, and a clamping seat 26 used for installing the elastic fixing members 25, and the elastic fixing members 25 include elastic materials.

Further, one end of the clamping seat 26 is connected with the top of the supporting structure, the other end of the clamping seat 26 is a free end, and an installation space for installing the elastic fixing piece 25 is defined between the clamping seat 26 and the supporting structure. The elastic fixing member 25 is installed in the installation space by being lifted upward by the free end of the holder 26. The elastic fixing member 25 may be a sponge or foam. The card holder 26 may be implemented in various ways, for example, the card holder 26 is configured as a rectangular frame structure, so as to define a mounting space for the elastic fixing member 25 with the supporting structure. Has the advantages of convenient installation and reduced cost.

Referring to fig. 11, it may be understood that the first layer condensation pipeline 61 may also be fixed by a fixing base unit, and the inner wall of the accommodating cavity 242 is also provided with a fixing base unit, where the fixing base unit of the inner wall of the accommodating cavity 242 is used for fixing the first layer condensation pipeline 61.

Further, one end of the clamping seat 26 is connected with the inner wall of the evaporating dish 24, the other end of the clamping seat 26 is a free end, and an installation space for installing the elastic fixing piece 25 is defined between the clamping seat 26 and the evaporating dish 24.

Further, the refrigerator further includes a first fan 41 disposed in the press bin 11. The housing 1 comprises a press house backplate 13.

The refrigerator further comprises a bottom air inlet 121 which is arranged at the bottom of the refrigerator body 1 and is communicated with the inside and the outside of the press bin 11, and a back air outlet 133 which is arranged on the back plate 13 of the press bin and is communicated with the inside and the outside of the press bin 11.

As shown in connection with fig. 12, the back air outlet 133 is disposed upward. When the first fan 41 is operated, air outside the press bin 11 enters through the air inlet under the driving of the first fan 41, firstly cools the compressor 67 of the press bin 11, then is discharged out of the press bin 11 through the back air outlet 133, and the air discharged out of the back air outlet 133 flows upwards.

The condenser is disposed between the bottom air inlet 121 and the back air outlet 133. The multi-layer condensation pipeline is arranged between the bottom air inlet 121 and the back air outlet 133, and the air flow in the press bin 11 can sufficiently cool the multi-layer condensation pipeline and then is discharged into the press bin 11. The heat dissipation device has the advantage of reasonable heat dissipation path arrangement.

Further, the bottom plate 12 includes a horizontal bottom plate 122 vertically connected to the press bin back plate 13, and a vertical bottom plate 123 with the horizontal bottom plate 122 bent upwards, wherein the horizontal bottom plate 122 and/or the vertical bottom plate 123 are provided with a bottom air inlet 121, and the bottom air inlet 121 is provided with a plurality of air inlet through holes along the left-right direction of the bottom plate 12 at intervals.

Further, the multi-layer condensing duct of the condenser is disposed adjacent to the bottom air intake 121. The air entering through the bottom air inlet 121 can be rapidly cooled by the multi-layer condensation pipeline of the condenser. So as to improve the cooling effect of the multi-layer condensation pipeline and further improve the refrigeration efficiency of the refrigeration system.

Further, the first fan 41 is disposed at the back air outlet 133. The top of the first fan 41 is provided with a top air outlet 417 with an opening facing upwards, and the top air outlet 417 extends out of the back air outlet 133. When the first fan 41 is operated, air outside the press bin 11 enters through the bottom air inlet 121 on the bottom plate 12 and then is discharged upwards along the outer side of the press bin back plate 13 through the top air outlet 417.

Wherein, the outer wall of the back plate 13 of the press bin is concaved inwards to form a containing notch 132 for containing the top air outlet 417.

Referring to fig. 9, in a further modified embodiment of the second embodiment of the first fan 41, the first fan 41 includes a volute, an impeller disposed in the volute, and an extending hook 419 disposed in a manner that the volute extends downward and is engaged with the supporting structure. The support structure is provided as the support plate 3 described above. Corresponding to the first fan 41, is disposed behind the multi-layer condensation line. The extension hook 419 is formed in an L-shaped structure.

The support structure is provided with a clamping hole which is matched with the extension clamping hook 419 in a clamping way, and the extension clamping hook 419 extends into the accommodating cavity 242 through the clamping hole. Further improving the firmness of the installation of the first fan 41.

Wherein, the evaporation pan 24 is close to the side of spiral case and has offered the dodge mouth 241 of dodging partial spiral case. The first fan 41 is disposed at the rear of the multi-layer condensation pipeline, and the back air outlet 133 is disposed at the front of the back air outlet 133. The front part of the first fan 41 is provided with a front suction opening located in the press bin 11.

Specifically, when the first fan 41 is operated, air outside the press bin 11 enters through the bottom air inlet 121 on the bottom plate 12, passes through the multi-layer condensation pipeline, is sucked into the first fan 41 through the front air suction opening 412, and is discharged upwards along the outer side of the press bin back plate 13 through the top air outlet 417. So that the press bin 11 forms a heat dissipation mode of bottom air inlet and rear air outlet. The multi-layer condensation pipeline is arranged on the airflow flowing path in the press bin 11, and can sufficiently cool the multi-layer condensation pipeline of the condenser, so that the cooling effect of the multi-layer condensation pipeline is improved.

Further, fasteners for securing the support structure to the top of the evaporation pan 24, and securing posts provided on the evaporation pan 24 for threaded engagement of the fasteners are included.

Wherein the fasteners pass through the evaporation pan 24 and fasten to the fixed posts, the fasteners forming a support structure integral with the evaporation pan 24. By such arrangement, the evaporation pan 24, the supporting structure and the multi-layer pipeline of the condenser form a whole, so that the installation is convenient, and the modular and systematic advantages are realized.

Fig. 13 to 16 illustrate a refrigerator according to a second embodiment of the present invention, and elements in fig. 13 to 16 having the same reference numerals as those in fig. 1 to 12 have similar functions, and are not described again.

The present embodiment differs from the first embodiment in that: in this embodiment, a second fan 43 is additionally provided in the air outlet duct 50.

The specific detailed structure of the air outlet duct of this embodiment is different from that of the air outlet duct of the first embodiment. The first condenser 64 of the present embodiment is different from the first condenser 64 of the first embodiment in the installation position.

As shown in fig. 13 to 15, in the present embodiment, the press housing 11 is provided with a compressor 67 and a first fan 41. The refrigerator also comprises an air outlet duct arranged at the back of the refrigerator body 1 and a second fan 43 arranged in the air outlet duct. Preferably, the second fan 43 is configured as a cross-flow fan.

An air duct air inlet 55 of the air duct is formed in the press bin 11, and an air duct air outlet 57 of the air duct is formed at the top of the box body 1. Under the drive of the second fan 43, air in the press bin 11 is guided to the top of the box 1 through the back of the box 1 by the air duct air inlet 55 and the air outlet, and is discharged to the environment from the top of the box 1 through the air duct air outlet 57. To form a heat dissipation path of the refrigerator. The heat dissipation device has the advantages of reasonable heat dissipation path and high heat dissipation efficiency.

Further, the air outlet duct includes a first air outlet duct 54 formed at the back of the case 1 and having an air inlet 55, and a second air outlet duct 56 formed at the top of the case 1 and communicating with the first air outlet duct 54. The first air outlet duct 54 extends upward from the air inlet 55, and the second air outlet duct 56 extends forward from the top of the first air outlet duct 54.

The second air outlet duct 56 has an air outlet 57. The second fan 43 is disposed at the junction of the first air outlet duct 54 and the second air outlet duct 56. The second fan 43 is provided at the rear side of the top of the case 1. Has the advantages of compact structure and reasonable layout.

Further, the case 1 includes a press house back plate 13 for defining the press house 11, a rear back plate 15 extending upward from the press house back plate 13, and an air duct plate 58 provided outside the rear back plate 15. The refrigerator further comprises a back air outlet 133 which is arranged on the back plate 13 of the press bin and is communicated with the inside and the outside of the press bin 11, and the back air outlet 133 is upward. Wherein the back air outlet 133 is disposed upward. When the first fan 41 is operated, air outside the press bin 11 enters through the air inlet under the driving of the first fan 41, firstly cools the compressor 67 of the press bin 11, then is discharged out of the press bin 11 through the back air outlet 133, and the air discharged out of the back air outlet 133 flows along the first air outlet duct 54 and the second air outlet duct 56 under the driving of the second fan 43 and is discharged to the environment from the top of the box body 1 through the air outlet duct 57.

The back air outlet 133 is disposed at a junction with the back plate 15. A first outlet duct 54 is formed between the back plate 15 and the duct plate 58. The duct air inlet 55 of the first air outlet duct 54 is formed at the back air outlet 133. The rear chassis 15 is recessed inward to form an outlet duct groove for forming the first outlet duct 54.

Further, the box 1 further comprises a bottom plate 12 for defining the press bin 11, and a bottom air inlet 121 communicated with the inside and the outside of the press bin 11 is arranged on the bottom plate 12. Specifically, when the first fan 41 is operated, air outside the press bin 11 enters through the bottom air inlet 121 on the bottom plate 12, passes through the back air outlet 133, and is discharged upwards along the outer side of the press bin back plate 13. So that the press bin 11 forms a heat dissipation mode of bottom air inlet and rear air outlet.

As shown in connection with fig. 16, the refrigerator further includes a first condenser 64 disposed in the first air outlet duct 54. The first condenser 64 is disposed between the air duct inlet 55 and the second fan 43. The air discharged from the back air outlet 133 flows along the first air outlet duct 54 and the second air outlet duct 56 under the drive of the second fan 43, and cools the first condenser 64, so that the first condenser 64 is arranged in the airflow flowing path, and the air conditioner has the advantages of reasonable layout and high heat dissipation efficiency.

Further, the case 1 further includes a top plate 16 having a top air outlet, and an air duct fixing plate 59 disposed inside the top plate 16 for forming the second air outlet duct 56. The duct fixing plate 59 defines the second outlet duct 56. Wherein the top plate 16 and the air duct fixing plate 59 jointly define the air outlet 57. The duct air outlet 57 is provided toward the upper side of the casing 1.

Further, the air duct fixing plate 59 has two guiding inclined planes 591 disposed opposite to each other up and down, and the air duct fixing plate 59 further includes a connection side surface respectively connected to the two guiding inclined planes 591. The two guiding inclined planes 591 and the two connecting side surfaces jointly define the second air outlet duct 56. Specifically, the two guide inclined surfaces 591 are respectively set as a lower guide inclined surface and an upper guide inclined surface.

Specifically, the guide inclined surface 591 is inclined upward from the top of the first air outlet duct 54 to the air duct air outlet 57.

An air outlet 57 is defined between one end portions of the two guide inclined surfaces 591. The other ends of the two guide inclined surfaces 591 define a communication air inlet communicating with the first air outlet duct 54. The second fan 43 is disposed at the air inlet.

When the first fan 41 is operated, air outside the press bin 11 enters through the air inlet under the driving of the first fan 41, firstly cools the compressor 67 of the press bin 11, then is discharged out of the press bin 11 through the back air outlet 133, and the air discharged out of the back air outlet 133 flows along the first air outlet channel 54 and the second air outlet channel 56 under the driving of the second fan 43, and the guide inclined plane 591 plays a role in guiding the air to flow towards the air outlet channel 57.

Further, the cross-sectional area of the air duct air outlet 57 is larger than the cross-sectional area of the communicating air inlet. So that the air of the second air outlet duct 56 can be rapidly discharged through the air outlet duct 57.

Further, the outer wall of the rear plate 15 is recessed inward to form an air outlet channel groove, and an air flow channel between the air outlet channel groove and the air channel plate 58 forms a first air outlet channel 54.

Further, a groove wall of the air outlet channel groove is a guiding inclined plane 591 extending upwards from the air inlet 55 of the air channel to guide airflow.

Further, the first fan 41 is disposed at the back air outlet 133. The arrangement of the first fan 41 is the same as that of the first embodiment.

The top of the first fan 41 is provided with a top air outlet 417 with an opening facing upwards, and the top air outlet 417 extends out of the back air outlet 133.

The front of the first fan 41 is provided with a front suction opening 412 in the press house 11.

The press bin support plate 14 includes a support bottom 141 disposed adjacently to the front side of the bottom plate 12, a support slope 142 extending obliquely rearward and upward from the support bottom 141, and a support top 143 extending horizontally rearward to the support slope 142 onto the press bin back plate 13.

Wherein the bottom plate 12, the press bin back plate 13, the support ramps 142 and the support tops 143 together define the press bin 11.

Fig. 17 to 20 illustrate a refrigerator according to a third embodiment of the present invention, and elements in fig. 17 to 20 having the same reference numerals as those in fig. 1 to 12 have similar functions, and are not described again.

The present embodiment differs from the first embodiment in that: the air flow guiding modes at the back of the box body 1 are different. In this embodiment, the back plate 15 is provided with a vertically extending air guide groove 18. First embodiment: the plurality of vertical air deflectors 53 divide the outlet duct into a plurality of sub-ducts.

The box 1 is internally limited with a storage space and a press bin 11, and the press bin 11 is provided with a compressor 67 and a first fan 41. The case 1 includes a press house back plate 13 for defining the press house 11, and a rear back plate 15 disposed adjacent to the press house back plate 13 in the vertical direction. The back plate 13 of the press bin is provided with an air port which is communicated with the inside and the outside of the press bin 11. The tuyere can be used for air outlet or air inlet.

As shown in fig. 17, the back plate 15 is provided with a vertically extending air guide groove 18. The tuyere of the press bin 11 is arranged on the press bin back plate 13. The air guide grooves 18 serve to guide the air flow at the air outlet or air inlet of the press bin 11 so as to improve the heat dissipation efficiency in the press bin.

As shown in fig. 19, the refrigerator further includes a first condenser 64 provided inside the rear backplate 15. The air at the air outlet or the air at the air inlet of the press bin 11 flows along the back plate 15, and the first condenser 64 is arranged on the airflow flowing path, so that the first condenser 64 can be sufficiently cooled, and the cooling effect of the first condenser 64 is improved.

Further, at least a portion of the piping of the first condenser 64 is disposed to extend in the same direction as the air guiding groove 18. By such arrangement, at least part of the pipes of the first condenser 64 are arranged on the path of the airflow flowing in the air guiding groove 18, so that the at least part of the pipes of the first condenser 64 can be sufficiently guided and cooled to improve the cooling effect of the first condenser 64.

Further, the press bin 11 is located at the bottom of the box 1, and the rear backboard 15 extends upwards from the top of the press bin backboard 13. Wherein the tuyere is set as a back air outlet 133. When the first fan 41 is operated, air outside the press bin 11 enters through the air inlet under the driving of the first fan 41, firstly cools the compressor 67 of the press bin 11, then is discharged out of the press bin 11 through the back air outlet 133, and the air discharged out of the back air outlet 133 cools the first condenser 64 while flowing upwards along the back plate 15.

Further, the housing 1 also comprises a bottom plate 12 for defining the press magazine 11. The bottom plate 12 is provided with a bottom air inlet 121 communicating the inside and the outside of the press bin 11. Specifically, when the first fan 41 is operated, air outside the press bin 11 enters through the bottom air inlet 121 on the bottom plate 12 under the driving of the first fan 41, firstly cools down and cools the compressor 67 of the press bin 11, and is discharged upwards along the press bin back plate 13 through the back air outlet 133, so as to cool down the first condenser 64 inside the back plate 15, perform air secondary utilization, and improve the heat dissipation effect of the refrigerator. At least part of the pipelines of the first condenser 64 are arranged on the airflow flowing path in the groove, so that the at least part of the pipelines of the first condenser 64 can be sufficiently guided and cooled.

Further, the outer wall of the back plate 15 is recessed inward to form an air guiding groove 18. The number of the air guide grooves 18 is plural, and the air guide grooves 18 are distributed at intervals along the width direction of the outer wall of the rear backboard 15.

Referring to fig. 18, the back plate 15 is provided with a connection groove 19 connecting at least one air guiding groove 18 and the back air outlet 133. The engagement groove 19 is used for engaging the plurality of air guiding grooves 18 with the back air outlet 133. The back plate 15 is recessed inwards to form a connection groove 19, and the connection groove 19 is used for guiding the flow of the back air outlet 133 into the air guiding groove 18.

Wherein, the engagement groove 19 extends downwards from the bottom end of the at least one air guiding groove 18 to the back air outlet 133.

The first fan 41 is disposed at the back air outlet 133. The top of the first fan 41 is provided with a top air outlet 417 with an opening facing upwards, and the top air outlet 417 extends out of the back air outlet 133 and partially into the engagement groove 19. When the first fan 41 is operated, air outside the press bin 11 enters through the bottom air inlet 121 on the bottom plate 12, and then passes through the top air outlet 417 to be discharged upwards along the outer side of the press bin back plate 13 and enters into the air guide groove 18 through the connecting groove 19.

Preferably, the pivot center line a of the first fan 41 is disposed to extend horizontally in the front-to-rear direction.

As shown in fig. 18 and 19, the outer wall of the back plate 15 has an outer boss portion 21 formed between two adjacent air guiding grooves 18, and the inner wall of the back plate 15 has an inner boss portion 22 formed corresponding to the air guiding grooves 18 and an inner groove 23 formed corresponding to the outer boss portion 21.

Wherein, the pipeline of the first condenser 64 is at least partially disposed in the inner groove 23 correspondingly.

The piping of first condenser 64 includes a plurality of vertical-segment condenser tubes 641 extending from bottom to top, and a circular-arc-segment condenser tube 642 connecting adjacent two vertical-segment condenser tubes 641.

In one arrangement of the piping of the first condenser 64, a vertical segment condenser tube 641 is provided in the inner groove 23.

Referring to fig. 20, in another arrangement of the piping of first condenser 64, vertical-stage condenser tube 641 is disposed on inner boss portion 22. Air is discharged upwards along the back plate 13 of the press bin through the back air outlet 133 so as to cool down the vertical section condenser tube 641 arranged in the inner groove 23, thereby performing air secondary utilization and improving the heat dissipation effect of the refrigerator.

Further, the refrigerator further includes a second condenser 65 provided in the press housing 11, an evaporation pan 24 provided in the press housing 11, and a support structure provided at the top of the evaporation pan 24.

Wherein, a part of the second condenser 65 is disposed in the accommodating cavity 242 of the evaporating dish 24, and another part of the second condenser 65 is disposed above the supporting structure. The structure of the second condenser 65 may adopt the structure of the multi-layer condensation line in the first embodiment.

Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be understood that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. The refrigerator comprises a refrigerator body, wherein a storage space and a press bin are defined in the refrigerator body, a compressor, a condenser and an evaporation dish are arranged in the press bin, and the evaporation dish defines a containing cavity;

2. The refrigerator of claim 1, wherein: the condensing pipeline comprises a first layer of condensing pipeline arranged in the accommodating cavity, a second layer of condensing pipeline and a third layer of condensing pipeline which are respectively arranged above the supporting structure;

3. The refrigerator of claim 2, wherein: the fixing support comprises a plurality of vertical plates which are distributed at intervals along the length direction of the supporting structure and are arranged above the supporting structure, and a fixing plate which is used for fixing the vertical plates on the top of the supporting structure, wherein the vertical plates are arranged in an extending mode along the width direction of the supporting structure;

4. A refrigerator according to claim 2 or 3, wherein: the bottom of the vertical plate is provided with a plurality of penetrating lower fixing holes at intervals along the extending direction of the vertical plate, the bottom of the lower fixing holes is provided with lower mounting openings, and the third layer of condensing pipelines are mounted in the lower fixing holes through the lower mounting openings;

5. The refrigerator of claim 3, wherein: the vertical plate is provided with a plurality of long air guide openings which are distributed at equal intervals along the vertical direction, and the long air guide openings are arranged along the width direction of the supporting structure in an extending mode.

6. A refrigerator according to claim 2 or 3, wherein: the evaporator further comprises a fixing seat unit arranged at the top of the evaporation dish, wherein the fixing seat unit comprises a plurality of elastic fixing pieces which are arranged at intervals and used for the third-layer condensation pipeline to penetrate through and mount, and a clamping seat used for mounting the elastic fixing pieces, and the elastic fixing pieces comprise elastic materials; and/or the number of the groups of groups,

7. The refrigerator of claim 6, wherein: one end of the clamping seat is connected with the top of the supporting structure, the other end of the clamping seat is a free end, and an installation space for installing the elastic fixing piece is defined between the clamping seat and the supporting structure; and/or the number of the groups of groups,

8. The refrigerator of claim 1, wherein: the defrosting device comprises a box body, and is characterized by further comprising an evaporator arranged in the box body, a refrigerating compartment for accommodating the evaporator, and a defrosting drain pipe communicated with the refrigerating compartment and the accommodating cavity, wherein defrosting water generated when the evaporator is defrosted is guided into the accommodating cavity by the defrosting drain pipe.

9. The refrigerator of claim 1, wherein: the first fan is arranged in the press bin;

the box body comprises a pressing machine bin backboard;

the condenser is arranged between the bottom air inlet and the back air outlet.

10. The refrigerator of claim 9, wherein: the housing further includes a floor for defining the press bin;

11. The refrigerator of claim 10, wherein: the multi-layer condensation pipeline of the condenser is arranged adjacent to the bottom air inlet.

12. The refrigerator of claim 9, wherein: the first fan is arranged at the back air outlet;

13. The refrigerator of claim 9, wherein: the first fan comprises a volute, an impeller arranged in the volute, and an extension clamping hook which is arranged in a downward extending way of the volute and is clamped with the supporting structure,

14. The refrigerator of claim 1, wherein: the evaporation dish further comprises a fastening piece for fixing the support structure on the top of the evaporation dish and a fixing column which is arranged on the evaporation dish and is used for being in threaded fit with the fastening piece;

15. The refrigerator of claim 9, wherein: the first fan is set to be a centrifugal fan.