CN112556276A

CN112556276A - Refrigerating system and freezer

Info

Publication number: CN112556276A
Application number: CN202011464342.0A
Authority: CN
Inventors: 任代青
Original assignee: Hisense Shandong Refrigerator Co Ltd
Current assignee: Hisense Shandong Refrigerator Co Ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-03-26

Abstract

The invention proposes a refrigeration system comprising: a compressor having a compressor suction pipe and a compressor discharge pipe; one end of the air return pipe is communicated with the air suction pipe of the compressor; the condenser comprises a condenser outlet pipe and a condenser inlet pipe communicated with a compressor exhaust pipe; an evaporator comprising an evaporator inlet tube and an evaporator outlet tube; a cannula, comprising: the two ends of the inner pipeline are respectively provided with an inner pipeline inlet communicated with the outlet pipe of the condenser and an inner pipeline outlet communicated with the inlet pipe of the evaporator through a capillary tube; the outer pipeline is sleeved outside the inner pipeline, and both ends of the outer pipeline are respectively provided with an outer pipeline inlet communicated with the outlet pipe of the evaporator and an outer pipeline outlet communicated with the other end of the air return pipe; also provided is a refrigerator comprising a refrigeration system; through setting up the sleeve pipe for the high temperature refrigerant cooling that the refrigerant that comes out from the evaporimeter came out for the condenser in the sleeve pipe, play cold volume and retrieve the effect that optimizes the heat dissipation simultaneously and reduce the condensation temperature, promote refrigeration performance, reduce cost.

Description

Refrigerating system and freezer

Technical Field

The invention belongs to the technical field of refrigerators, and particularly relates to a refrigerating system and a refrigerator.

Background

At present, in the existing refrigerator products, welding spots of refrigeration pipelines are all concentrated in the refrigerator body, and after foaming forming, when the welding spots in the refrigerator body are leaked, the refrigerator body can not be maintained and can only be replaced by a new refrigerator body, and the cost is higher.

Moreover, the condenser of current freezer generally chooses for use to paste in freezer case shell built-in condenser all around, and the radiating mode is air convection natural cooling, and the radiating effect is relatively poor, and compressor refrigerating capacity can not obtain effective release, for increasing the condensation effect, generally chooses for use to increase condenser pipeline length or fan to reduce refrigerating system's condensing temperature, thereby improve the refrigerating output of system. However, when the temperature of the external environment is high, the heat dissipation capability is restricted, the heat dissipation is poor, the heat dissipation area and the fan strength of the condensation pipeline can only be increased continuously in order to adapt to the heat dissipation in the high-temperature environment, and the cost is high.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. For this purpose,

according to an embodiment of the present disclosure, there is provided a refrigeration system including:

a compressor having a compressor suction pipe and a compressor discharge pipe;

one end of the air return pipe is communicated with the air suction pipe of the compressor;

the condenser comprises a condenser outlet pipe and a condenser inlet pipe communicated with the compressor exhaust pipe;

an evaporator comprising an evaporator inlet tube and an evaporator outlet tube;

condensation heat transfer intensification module, including the sleeve pipe, the sleeve pipe includes:

the two ends of the inner pipeline are respectively provided with an inner pipeline inlet communicated with the outlet pipe of the condenser and an inner pipeline outlet communicated with the inlet pipe of the evaporator through a capillary tube;

and the outer pipeline is sleeved outside the inner pipeline, and two ends of the outer pipeline are respectively provided with an outer pipeline inlet communicated with the outlet pipe of the evaporator and an outer pipeline outlet communicated with the other end of the air return pipe.

The high-temperature refrigerant discharged from the condenser in the sleeve is cooled by the refrigerant discharged from the evaporator due to the low temperature of the evaporator part, so that the purpose of cold recovery is achieved, and meanwhile, the heat dissipation is optimized to reduce the condensation temperature; the condensation temperature is reduced, the heat dissipation capability is strong, and the refrigeration performance of the system can be improved; because of the evaporimeter temperature itself is lower, and the relative ratio air natural condensation is exothermic, and the condensation effect is better, can reduce heat dissipation pipeline length, perhaps cancels fan heat dissipation part, reduce cost.

According to an embodiment of the present disclosure, one of the inner and inner line inlets and the outer line outlet are located at one end of the sleeve, and the other and the outer line inlet are located at the other end of the sleeve.

According to an embodiment of the present disclosure, a filter is provided between the inner conduit outlet and the capillary tube.

According to an embodiment of this disclosure, still propose a freezer, include as above refrigerating system, still include the box, the box includes:

the box shell comprises a box bottom plate, wherein a step is formed on one side of the box bottom plate, a compressor bin is arranged below the step, and the compressor, the air return pipe and the sleeve are arranged in the compressor bin;

the inner container is arranged in the box shell, and a recess matched with the step is formed in the inner container.

The refrigerator is provided with a refrigerating system, so that the refrigerating performance of the refrigerator can be improved, and the cost is reduced; set up compressor, muffler, sleeve pipe and locate in the compressor storehouse for muffler and compressor and sheathed tube junction are located the compressor storehouse, maintain when being convenient for reveal, avoid revealing direct change box when in the box, reduce the loss.

According to the embodiment of the disclosure, the condenser is arranged on the inner wall of the box shell, the condenser inlet pipe and the condenser outlet pipe extend into the compressor bin, so that the joint of the condenser, the compressor and the sleeve is located in the compressor bin, maintenance is performed when leakage is facilitated, the box body is prevented from being directly replaced when the leakage is performed in the box body, and loss is reduced.

According to the embodiment of the disclosure, the evaporimeter winding is in the inner bag outside, evaporimeter import pipe and evaporimeter outlet pipe extend to in the compressor storehouse for the evaporimeter is located the compressor storehouse with the junction of sleeve pipe and evaporimeter and other refrigeration pipelines, maintains when being convenient for reveal, directly changes the box when avoiding revealing in the box, reduces the loss.

According to the embodiment of the disclosure, the step comprises a step side plate and a step bottom plate, and a condenser pipe through hole for the condenser inlet pipe and the condenser outlet pipe to pass through is formed in the step side plate and/or the step bottom plate.

According to the embodiment of the disclosure, the step comprises a step side plate and a step bottom plate, and an evaporator through hole for the evaporator inlet pipe and the evaporator outlet pipe to pass through is formed in the step side plate and/or the step bottom plate.

According to an embodiment of the present disclosure, the step is an L-shaped step.

According to an embodiment of the present disclosure, the compressor bin comprises:

the machine cabin bottom plate is connected to one side of the box shell bottom plate;

the machine cabin bracket is connected to two ends of the machine cabin bottom plate;

and the machine cabin back plate is connected with the machine cabin bottom plate and the box shell side plate from top to bottom respectively.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of a prior art refrigeration system;

FIG. 2 is a schematic diagram of a refrigeration system according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural view of a bushing according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural view of a bushing according to an embodiment of the present disclosure;

FIG. 5 is a schematic structural view of a bushing according to an embodiment of the present disclosure;

FIG. 6 is a schematic structural view of a bushing according to an embodiment of the present disclosure;

FIG. 7 is a cross-sectional view of a bushing according to an embodiment of the present disclosure;

fig. 8 is a partial block diagram of a cooler according to an embodiment of the present disclosure;

fig. 9 is a partial cross-sectional view of a cooler according to an embodiment of the present disclosure;

FIG. 10 is a schematic view of the configuration of the liner and the evaporator according to an embodiment of the disclosure;

fig. 11 is a partial schematic view of a refrigerator case housing with side panels removed according to an embodiment of the present disclosure;

FIG. 12 is a schematic structural view of a step according to an embodiment of the present disclosure;

fig. 13 is a schematic view of a partial structure of a cooler according to an embodiment of the present disclosure;

fig. 14 is a schematic structural diagram of a compressor bin according to an embodiment of the present disclosure.

In the above figures: a compressor 11; a condenser 12; a capillary 13; an evaporator 14; an air return pipe 15; a filter 16; a sleeve 2; an inner pipe 21; an inner pipe inlet 211; an inner conduit outlet 212; an outer line 22; an outer line inlet 221; an outer line outlet 222; a box body 3; a tank case 31; a bottom plate 311; side plates 312; a step 313; step side panels 3131; step floor 3132; a condenser tube penetration hole 3133; an evaporator penetration hole 3134; an inner container 32; a recess 321; a compressor bin 4; a cabin bracket 41; a machine room bottom plate 42; a cabin back plate 43.

Detailed Description

The invention is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

The present invention proposes a refrigeration system, which can be applied to a refrigerator, and with reference to fig. 1 to 7, the refrigeration system comprises a compressor 11, a condenser 12, a capillary tube 13, an evaporator 14 and a return air tube 15. The compressor 11 compresses the refrigerant into a high-temperature high-pressure liquid refrigerant, the refrigerant compressed by the compressor enters the condenser 12 to be condensed and released heat to become a low-temperature high-pressure refrigerant, the refrigerant is throttled and reduced in pressure by the capillary tube 13 to form a low-temperature low-pressure refrigerant, the low-temperature low-pressure refrigerant enters the evaporator 14 to be evaporated and absorbed, and the low-temperature low-pressure gaseous refrigerant evaporated and absorbed by the evaporator enters the compressor 11 through the air return tube 15.

The compressor 11 has a compressor suction pipe and a compressor discharge pipe. One end of the return air pipe 15 is communicated with the suction pipe of the compressor. The condenser 12 includes a condenser inlet pipe and a condenser outlet pipe, the condenser inlet pipe communicating with the compressor discharge pipe. The evaporator 14 includes an evaporator inlet tube and an evaporator outlet tube. The condenser inlet tube, the condenser outlet tube, the evaporator inlet tube, and the evaporator outlet tube may be labeled for ease of distinction.

The refrigeration system further comprises a condensation heat exchange strengthening module, which comprises a sleeve 2, wherein the sleeve 2 comprises an inner pipeline 21 and an outer pipeline 22, the outer side of the inner pipeline is sleeved with the outer pipeline 22, the two ends of the inner pipeline are respectively provided with an inner pipeline inlet 211 and an inner pipeline outlet 212, and the two ends of the outer pipeline are respectively provided with an outer pipeline inlet 221 and an outer pipeline outlet 222. The inner pipeline inlet 211 is communicated with the outlet pipe of the condenser; the inner pipe outlet 212 is communicated with the capillary inlet, the capillary outlet is communicated with the evaporator inlet pipe, the outer pipe inlet 221 is communicated with the evaporator outlet pipe, and the outer pipe outlet 222 is communicated with the other end of the air return pipe. A filter 16 is also provided between the outlet of the inner conduit and the capillary tube.

The high-temperature refrigerant discharged from the condenser in the sleeve is cooled by the refrigerant discharged from the evaporator due to the low temperature of the evaporator part, so that the purpose of cold recovery is achieved, and meanwhile, the heat dissipation is optimized to reduce the condensation temperature; the condensation temperature is reduced, the heat dissipation capability is strong, and the refrigeration performance of the system can be improved; because the temperature of the evaporator is lower, compared with natural condensation of air, the condensation effect is better, the length of a heat dissipation pipeline can be reduced, and the cost is reduced.

Specifically, one of the inner and

outer line inlets

211 and 212 and the outer line outlet 222 are located at one end of the sleeve, and the other and the outer line inlet 221 are located at the other end of the sleeve. When the inner pipe inlet 211 and the outer pipe inlet 221 are located at the same end, and the inner pipe outlet 212 and the outer pipe outlet 222 are located at the same end, the refrigerant flow directions of the inner pipe and the outer pipe are the same; when the inner pipeline inlet 211 and the outer pipeline outlet 222 are located at the same end, and the inner pipeline outlet 212 and the outer pipeline inlet 221 are located at the same end, the flow directions of the refrigerants of the inner pipeline and the outer pipeline are opposite, and the heat dissipation effect can be better improved. The sleeve 2 can be arranged spirally, so that the volume of the sleeve can be reduced, the outer pipeline and the inner pipeline are smooth, and the flow resistance of the refrigerant is reduced.

The invention also provides a refrigerator, and with reference to fig. 8-14, the refrigerator comprises the refrigeration system, so that the refrigeration performance of the refrigerator can be improved, and the cost is reduced.

The freezer also comprises a box body 3, the box body 3 comprises a box outer shell 31 and an inner container 32, the inner container 32 is arranged in the box outer shell 31, and foaming is filled between the box outer shell 31 and the inner container 32. The box outer shell 31 comprises a bottom plate 311 and a side plate 322, wherein a step 313 is formed at one end of the bottom plate 311, a recess 321 matched with the step is arranged on the inner container 32, and the step 313 can be an L-shaped step. Set up compressor storehouse 4 under the step, compressor 11, muffler 15, sleeve pipe 2 are located in the compressor storehouse for muffler and compressor and sheathed tube junction are located the compressor storehouse, maintain when being convenient for reveal, avoid revealing direct change box when the box, reduce the loss. It should be noted that, the connection of the refrigeration pipeline of the refrigerator is generally welded.

On case shell 31 inner wall was located to the condenser, can make to glue on the freezer, condenser import pipe and condenser outlet pipe extend to in the compressor storehouse 4 for condenser and compressor and sheathed tube junction are located compressor storehouse 4, maintain when being convenient for reveal, avoid revealing direct change box when in the box, reduce the loss.

The evaporimeter winding is in the inner bag outside, and evaporimeter import pipe and evaporimeter outlet pipe extend to machine storehouse in 4 for the evaporimeter is located the compressor storehouse with sleeve pipe and evaporimeter and other refrigeration pipeline's junction, maintains when being convenient for reveal, directly changes the box when avoiding revealing in the box, reduces the loss.

Specifically, referring to fig. 9-12, step 313 includes a step side plate 3131 and a step bottom plate 3132, and step side plate 3131 and/or step bottom plate 3132 are provided with a condenser tube penetration hole 3133 for passing a condenser inlet tube and a condenser outlet tube, and an evaporator penetration hole 3134 for passing an evaporator inlet tube and an evaporator outlet tube, to facilitate drawing the condenser and evaporator tubes out of the tank housing.

Capillary and filter also can locate in the compressor storehouse for the junction of refrigeration pipeline all is located the case shell outside, guarantees the interior solderless of case shell, and the maintenance when being convenient for leak avoids directly changing the box, reduces the loss.

Referring to fig. 13-14, the compressor compartment includes a compartment support 41, a compartment bottom plate 42 and a compartment back plate 43, the compartment bottom plate is connected to one side of the box housing bottom plate, the two compartment supports are respectively connected to two ends of the compartment bottom plate, and the upper and lower ends of the compartment back plate 43 are respectively connected to the compartment bottom plate and the box housing side plate.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A refrigeration system, comprising:

a compressor having a compressor suction pipe and a compressor discharge pipe;

2. The refrigerant system as set forth in claim 1, wherein one of said inner and inner conduit inlets and said outer conduit outlet are located at one end of said sleeve and the other and said outer conduit inlet are located at the other end of said sleeve.

3. The refrigerant system as set forth in claim 1, wherein a filter is disposed between said inner conduit outlet and said capillary tube.

4. A refrigerator comprising the refrigeration system of any of claims 1-3, and further comprising a cabinet, the cabinet comprising:

5. The refrigerator of claim 4 wherein the condenser is disposed on an inner wall of the cabinet housing, the condenser inlet tube and the condenser outlet tube extending into the compressor compartment.

6. The cooler of claim 4, wherein the evaporator is wound outside the liner, the evaporator inlet tube and evaporator outlet tube extending into the compressor compartment.

7. The refrigerator of claim 5 wherein the steps comprise a step side plate and a step bottom plate, and the step side plate and/or the step bottom plate are provided with condenser tube through holes for the condenser inlet tube and the condenser outlet tube to pass through.

8. The refrigerator of claim 6 wherein the steps comprise step side plates and step bottom plates, evaporator through holes for the evaporator inlet pipe and the evaporator outlet pipe to pass through are arranged on the step side plates and/or the step bottom plates.

9. The cooler of claim 4, wherein the steps are L-shaped steps.

10. The cooler of claim 4, wherein the compressor compartment comprises: