CN219550925U - Refrigerator and vehicle thereof - Google Patents

Abstract

The utility model discloses a refrigerator and a vehicle thereof, the refrigerator comprises a shell, a heat preservation layer and a liner, the heat preservation layer is arranged in the shell, the liner is arranged in the heat preservation layer, a refrigeration module capable of reducing the temperature of the liner is arranged in the shell, the phase change layer is arranged between the liner and the heat preservation layer, the phase change layer is provided with a phase change point, and when the temperature of the liner is higher than the phase change point, the phase change layer absorbs the heat of the liner, so that the temperature of the liner is lower; in addition, when the temperature of the inner container is lower than the phase change point during continuous cooling of the refrigerator, the phase change layer absorbs the cold energy of the inner container and stores the cold energy in the form of sensible heat and latent heat; therefore, the phase change material in the phase change layer can increase the cold storage capacity of the vehicle-mounted refrigerator, and prolong the refrigerating time when the refrigerating module is powered off and does not work, so that the application range is enlarged, the endurance mileage of the automobile is improved, and the problem that the automobile is started due to power loss is prevented.

Description

Refrigerator and vehicle thereof

Technical Field

The utility model relates to the technical field of temperature regulating equipment, in particular to a refrigerator and a vehicle thereof.

Background

The semiconductor refrigerating refrigerator has the advantages of environmental protection, no pollution, low noise, small volume, light weight and the like, and is low in efficiency due to the semiconductor material, and the refrigerating temperature range is-5-65 ℃. When the volume of the refrigerator is increased, the cooling capacity loss is serious, for example, the refrigerating effect is not ideal for the semiconductor refrigerator with the volume of more than 30L in the current market, and the refrigerating limit can only reach-5 ℃ generally (depending on the temperature of the service environment). However, experiments show that when the storage volume is small, the semiconductor refrigeration can reach minus 10 ℃ below zero, and even lower. Because of the limited space in the automobile, the volume of the vehicle-mounted refrigerator is usually not large; the existing semiconductor refrigeration efficiency is lower in refrigeration temperature, more electric energy is consumed, the refrigerator continues to refrigerate for a long time under the condition of stopping, power supply of an automobile can be insufficient, starting of the automobile can be affected, the capacity of an automobile battery is limited, and the endurance mileage of the automobile can be reduced due to excessive consumption of the electric quantity of the automobile refrigerator under the condition of lower residual electric quantity of the automobile.

Disclosure of Invention

The utility model aims to provide a refrigerator and a vehicle thereof, and aims to solve the technical problems that the existing vehicle-mounted refrigerator consumes large electric quantity, and the automobile endurance mileage and the electric power deficiency cause influence on the automobile starting.

In order to solve the above problems, according to an aspect of the present utility model, the embodiment of the present utility model provides a refrigerator, which includes a housing, a heat insulation layer, and a liner, wherein the heat insulation layer is disposed in the housing, the liner is disposed in the heat insulation layer, a refrigeration module capable of reducing the temperature of the liner is disposed in the housing, a phase change layer is disposed between the liner and the heat insulation layer, and the phase change layer has a phase change point.

In some embodiments, the phase change layer comprises an organic phase change layer and/or an inorganic phase change layer.

In some embodiments, the organic phase change layer includes at least one of a fatty acid, an alkane, or an alcohol.

In some embodiments, the inorganic phase change layer includes at least one of hydrated salts, molten salts, metals, and alloys.

In some embodiments, the refrigeration module is disposed at the bottom or the side of the liner, and the refrigeration module includes a semiconductor refrigeration sheet having a refrigeration surface, where the refrigeration surface is disposed in contact with the liner.

In some embodiments, the shell is of a structure with two open ends, one end of the shell is rotatably provided with a box cover, and the heat-insulating layer is positioned in the box cover.

In some embodiments, the other end of the shell is provided with a base, the semiconductor refrigeration piece is further provided with a heating surface, the refrigeration module further comprises a heat pipe, a radiating fin and a fixing block, the heat pipe and the radiating fin are arranged in the base, the heat pipe penetrates through the fixing block, two ends of the heat pipe are inserted into the radiating fin, the phase-change layer is of a two-end opening structure, the heat insulation layer is of a cavity structure with an opening towards one end of the box cover, a first through hole is formed in the bottom of the cavity structure, a second through hole is formed in the base at the position opposite to the first through hole, and one end of the fixing block is sequentially attached to the heating surface through the second through hole and the first through hole.

In some embodiments, the opening part of the second through hole facing one side of the box cover is provided with a turned edge, the turned edge is abutted against the inner container, a heat insulation sheet is arranged in the turned edge, a fixed hole site is arranged on the heat insulation sheet, and the semiconductor refrigeration sheet is arranged in the fixed hole site; and/or the number of the cooling fins is at least two, a fan is arranged between every two adjacent cooling fins, an air channel is arranged in the base, the cooling fins are arranged in the air channel, and air inlet holes and air outlet holes are formed in the opposite positions of the two sides of the base and the openings at the two ends of the air channel.

In some embodiments, an electronic control system is further arranged inside the base, a control button and a display screen are arranged on the side face of the base, and the electronic control system is respectively connected with the refrigeration module, the control button and the display screen.

According to another aspect of the utility model, the embodiment of the utility model also provides a vehicle, which comprises a vehicle-mounted power supply and the refrigerator, wherein the vehicle-mounted power supply is connected with the refrigerator.

Compared with the prior art, the refrigerator has at least the following beneficial effects:

the embodiment of the utility model discloses a refrigerator, which can be used on vehicles and other mobile platforms, and can be powered by a mobile power supply, and comprises a shell, a heat preservation layer and a liner, wherein the heat preservation layer is arranged in the shell; according to the refrigerator, the phase change layer is arranged between the inner container and the heat preservation layer, and the refrigerator can be maintained at about-10 ℃ theoretically, so that the refrigerator can reach a lower temperature while the same electric energy is consumed; in addition, when the temperature of the inner container is lower than minus 10 ℃ in the continuous cooling process of the refrigerator, the phase change layer absorbs the cold energy of the inner container, namely the phase change material in the phase change layer releases heat when the temperature of the inner container is lower than minus 10 ℃ and stores the cold energy in the form of sensible heat and latent heat; when the temperature of the inner container is higher than-10 ℃ again, the phase-change material in the phase-change layer absorbs heat and consumes stored cold energy, so that the phase-change material in the phase-change layer can increase the cold energy of the vehicle-mounted refrigerator, and the refrigerating module is powered off and does not work, and the refrigerating time is prolonged, so that the application range is enlarged. The phase change material in the phase change layer releases the cold energy stored in the low-temperature environment when the refrigeration module works, is favorable for utilizing the temperature difference of the environment in the space dimension and the time dimension, realizes the transfer and the utilization of the cold energy, reduces the power consumption of the refrigeration module and improves the refrigeration speed, thereby solving the defects of high refrigeration limit temperature, large cold energy dissipation, large running power consumption and the like caused by low refrigeration efficiency of the refrigerator, improving the stability and the reliability of equipment, improving the endurance mileage of an automobile and preventing the problem of power supply from affecting the starting of the automobile.

On the other hand, the vehicle provided by the utility model is designed based on the refrigerator, and the beneficial effects of the refrigerator are referred to, and are not described in detail herein.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a sectional view of a refrigerator provided in an embodiment of the present utility model;

fig. 2 is an exploded structural schematic view of a refrigerator according to an embodiment of the present utility model;

fig. 3 is a schematic structural view of a base of a refrigerator according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a refrigeration module of a refrigerator according to an embodiment of the present utility model;

fig. 5 is a schematic structural view of a heat insulation sheet of a refrigerator according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a housing; 2. a heat preservation layer; 21. a first via; 3. an inner container; 4. a phase change layer; 5. a refrigeration module; 51. a semiconductor refrigeration sheet; 52. a heat pipe; 53. a heat sink; 54. a fixed block; 55. a fan; 6. a case cover; 7. a base; 71. a second via; 72. flanging; 73. a heat insulating sheet; 731. fixing the hole site; 74. an air inlet hole; 75. an air outlet hole; 76. an electronic control system; 77. a control button; 78. and a display screen.

Detailed Description

In order to further describe the technical means and effects adopted for achieving the preset aim of the utility model, the following detailed description refers to the specific implementation, structure, characteristics and effects according to the application of the utility model with reference to the accompanying drawings and preferred embodiments. In the following description, different "an embodiment" or "an embodiment" do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.

In the description of the present utility model, it should be clear that the terms "first," "second," and the like in the description and claims of the present utility model and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order; the terms "vertical," "transverse," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "horizontal," and the like are used for indicating an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description of the present utility model, and do not mean that the apparatus or element referred to must have a specific orientation or position, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

As shown in fig. 1-5, the embodiment of the utility model provides a refrigerator, which comprises a shell 1, a heat preservation layer 2 and an inner container 3, wherein the heat preservation layer 2 is arranged in the shell 1, the inner container 3 is arranged in the heat preservation layer 2, a refrigeration module 5 capable of reducing the temperature of the inner container 3 is arranged in the shell 1, and a phase change layer 4 capable of absorbing heat above a phase change point and absorbing cold below the phase change point is arranged between the inner container 3 and the heat preservation layer 2.

In this embodiment, the refrigerator may be used on a vehicle or on other mobile platforms, and may be powered by a mobile power supply, where the embodiment uses the refrigerator to set up the vehicle as an example, specifically, the refrigerator includes a housing 1, a heat insulation layer 2, and an inner container 3, where the inner container 3 may be made of a metal material, or may be made of other non-metal materials with good heat conduction, the heat insulation layer 2 is disposed in the housing 1, the inner container 3 is disposed in the heat insulation layer 2, and the heat insulation layer 2 prevents the cold in the inner container 3 from leaking, so as to improve the heat insulation performance of the refrigerator, and the heat insulation layer is not limited to EPS, PR, and polystyrene foam (EPS for short), and PR is generally polyester; the shell 1 is internally provided with the refrigeration module 5 capable of reducing the temperature of the liner 3, the interior of the liner 3 can be in a preset low-temperature environment through the refrigeration module 5, in the embodiment, the temperature of the liner 3 can be lower by the aid of the phase change layer 4 capable of absorbing heat above a phase change point and absorbing cold below the phase change point, the phase change layer 4 is provided with the phase change point, the phase change point can be a temperature finger or a temperature interval, the phase change point of the phase change material of the phase change layer 4 can be controlled within a range from-10 ℃ to-9 ℃, namely, when the refrigeration module 5 of the refrigerator is used for refrigerating, the temperature of the liner 3 is higher than-10 ℃, the temperature of the liner 3 can be lower by the phase change layer 4 absorbed by the phase change layer 4, the actual temperature of the refrigerator cannot be lower or the theoretical minimum temperature (without heat transfer with the outside) due to cold loss, the effect of heat insulation can be achieved, the cold loss can be reduced, and the temperature of the refrigerator can be reduced more quickly by the aid of the cold loss provided by the phase change layer 4; the refrigerator of the embodiment can maintain the refrigerator at about-10 ℃ in theory by arranging the phase-change layer 4 between the inner container 3 and the heat preservation layer 2, so that the refrigerator can reach lower temperature while consuming the same electric energy; in addition, when the temperature of the inner container 3 is lower than minus 10 ℃ during continuous cooling of the refrigerator, the phase change layer 4 absorbs the cold of the inner container 3, namely, when the temperature of the inner container 3 is lower than minus 10 ℃, the phase change material in the phase change layer 4 releases heat when the temperature of the inner container 3 is reduced, and the cold is stored in the form of sensible heat and latent heat; when the temperature of the liner 3 is higher than-10 ℃ again, the phase-change material in the phase-change layer 4 absorbs heat and consumes stored cold energy, so that the phase-change material in the phase-change layer 4 can increase the cold energy stored in the vehicle-mounted refrigerator, and the refrigerating time is prolonged when the refrigerating module 5 is powered off and does not work, and the application range is enlarged. The phase change material in the phase change layer 4 releases the cold energy stored in the low-temperature environment when the refrigeration module 5 works, is favorable for utilizing the temperature difference of the environment in the space dimension and the time dimension, realizes the transfer and the utilization of the cold energy, reduces the power consumption of the refrigeration module 5 and improves the refrigeration speed, thereby solving the defects of high refrigeration limit temperature, large cold energy dissipation, large running power consumption and the like caused by low refrigeration efficiency of the refrigerator, improving the stability and the reliability of equipment, improving the endurance mileage of the automobile and preventing the problem of starting the automobile due to power shortage.

In some embodiments, the phase change layer 4 comprises an organic phase change layer and/or an inorganic phase change layer.

Further, the organic phase-change layer comprises at least one of fatty acid, alkane, alcohol and the like, namely the organic phase-change layer is made of at least one of fatty acid, alkane, alcohol and the like, the phase-change point of the organic phase-change layer generally has a temperature range, the approximate cold absorption temperature is lower than about-10 ℃, and the heat absorption temperature is higher than-9 ℃; in actual use, the device can be selected according to actual requirements.

Further, the inorganic phase-change layer comprises at least one of hydrated salts, molten salts, metals, alloys and the like; namely, the inorganic phase-change layer is made of at least one of hydrated salt, molten salt, metal, alloy and the like, and can be selected according to actual requirements in actual use.

In some embodiments, the refrigeration module 5 is disposed at the bottom or the side of the inner container 3, the refrigeration module 5 includes a semiconductor refrigeration piece 51, the semiconductor refrigeration piece 51 has a refrigeration surface, the refrigeration surface is attached to the inner container 3, the refrigeration surface of the semiconductor refrigeration piece 51 of the refrigeration module 5 is attached to the inner container 3 to provide a main cold source of the refrigerator, the semiconductor refrigeration piece 51 has the advantages of low noise, small volume, light weight, quick starting, wide applicable temperature range and the like, and the space utilization rate of the vehicle-mounted refrigerator is improved.

In some embodiments, the shell 1 is of a structure with two open ends, one end of the shell 1 is rotatably provided with a box cover 6, and articles are taken and placed by opening the box cover 6; the heat preservation layer 2 is arranged in the box cover 6, so that the heat preservation effect of the refrigerator is improved, the consumption of cold energy is reduced, and the consumption of energy is reduced.

In some embodiments, the other end of the shell 1 is provided with a base 7, the semiconductor refrigeration piece 51 is further provided with a heating surface, the refrigeration module 5 further comprises a heat pipe 52, a radiating fin 53 and a fixing block 54, the heat pipe 52 and the radiating fin 53 are arranged in the base 7, the heat pipe 52 penetrates through the fixing block 54, two ends of the heat pipe 52 are inserted into the radiating fin 53, the phase-change layer 4 is of a structure with two open ends, the heat preservation layer 2 is of a cavity structure with an opening towards one end of the box cover 6, a first through hole 21 is formed in the bottom of the cavity structure, a second through hole 71 is formed in the position, opposite to the first through hole 21, of the base 7, one end of the fixing block 54 is attached to the heating surface through the second through hole 71 and the first through hole 21, and heat emitted by the heating surface of the semiconductor refrigeration piece 51 of the refrigeration module 5 is timely led out through the heat pipe 52, the radiating fin 53 and the fixing block 54, and refrigeration efficiency of the refrigeration module 5 is improved.

In some embodiments, the opening of the second via hole 71 facing the side of the case cover 6 is configured with a flange 72, the flange 72 abuts against the inner container 3 to prevent cold leakage, a heat insulation sheet 73 is arranged in the flange 72, a fixing hole 731 is arranged on the heat insulation sheet 73, the semiconductor refrigeration sheet 51 is arranged in the fixing hole 731, the heat insulation sheet 73 is fixed by one side of the heat insulation sheet 73, and the heating surface and the refrigeration surface of the semiconductor refrigeration sheet 51 are mutually separated to prevent cold loss.

And/or, at least two cooling fins 53 are provided, a fan 55 is arranged between every two adjacent cooling fins 53, the cooling of the cooling fins 53 is accelerated by the fan 55, an air duct is arranged in the base 7, the cooling fins 53 are arranged in the air duct, air inlets 74 and air outlets 75 are arranged at the opposite positions of the two sides of the base 7 and the openings at the two ends of the air duct, and the cooling of the cooling fins 53 is accelerated by the air duct, the air inlets 74, the air outlets 75 and the fan 55.

In some embodiments, an electronic control system 76 is further arranged inside the base 7, a control button 77 and a display screen 78 are arranged on the side face of the base 7, the electronic control system 76 is respectively connected with the refrigeration module 5, the control button 77 and the display screen 78, and the electronic control system 76 automatically reduces the working strength of the refrigeration module 5 when the voltage is unstable or low, so that the energy consumption is reduced.

Example 2

The embodiment of the utility model also provides a vehicle, which comprises a vehicle-mounted power supply and the refrigerator of the embodiment 1, wherein the vehicle-mounted power supply is connected with the refrigerator.

It will be clearly understood by those skilled in the art that, for convenience and brevity of description, specific working procedures of the apparatus, device and unit described above may refer to corresponding procedures in the foregoing method embodiments, which are not repeated herein.

While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (7)

1. A refrigerator, characterized in that: the refrigerator comprises a shell (1), a heat preservation layer (2) and an inner container (3), wherein the heat preservation layer (2) is arranged in the shell (1), the inner container (3) is arranged in the heat preservation layer (2), a refrigerating module (5) capable of reducing the temperature of the inner container (3) is arranged in the shell (1), a phase change layer (4) is arranged between the inner container (3) and the heat preservation layer (2), and the phase change layer (4) is provided with a phase change point.

2. The refrigerator of claim 1, wherein: the refrigerating module (5) is arranged at the bottom or on the side face of the inner container (3), the refrigerating module (5) comprises a semiconductor refrigerating sheet (51), the semiconductor refrigerating sheet (51) is provided with a refrigerating face, and the refrigerating face is attached to the inner container (3).

3. The refrigerator of claim 2, wherein: the shell (1) is of a structure with two open ends, a box cover (6) is rotatably arranged at one end of the shell (1), and the heat insulation layer (2) is positioned in the box cover (6).

4. The refrigerator of claim 3, wherein: the other end of shell (1) is provided with base (7), semiconductor refrigeration piece (51) still has the heating face, refrigerating module (5) still includes heat pipe (52), fin (53) and fixed block (54), heat pipe (52) with fin (53) set up in base (7), heat pipe (52) run through fixed block (54), the both ends of heat pipe (52) are inserted and are established in fin (53), phase change layer (4) are both ends open structure, heat preservation (2) are for orientation case lid (6) one end has open-ended cavity structure, first via hole (21) have been seted up to cavity structure's bottom, on base (7) with first via hole (21) relative position has seted up second via hole (71), one end of fixed block (54) is passed through in proper order second via hole (71) and first via hole (21) with the laminating of heating face sets up.

5. The refrigerator of claim 4, wherein: a flange (72) is formed at the opening part of the second through hole (71) facing one side of the box cover (6), the flange (72) is abutted against the inner container (3), a heat insulation sheet (73) is arranged in the flange (72), a fixing hole site (731) is arranged on the heat insulation sheet (73), and the semiconductor refrigerating sheet (51) is arranged in the fixing hole site (731); and/or, the number of the cooling fins (53) is at least two, fans (55) are arranged between two adjacent cooling fins (53), an air duct is arranged in the base (7), the cooling fins (53) are arranged in the air duct, and air inlet holes (74) and air outlet holes (75) are formed in the opposite positions of the two sides of the base (7) and the openings at the two ends of the air duct.

6. The refrigerator of claim 5, wherein: the refrigerator is characterized in that an electronic control system (76) is further arranged inside the base (7), a control button (77) and a display screen (78) are arranged on the side face of the base (7), and the electronic control system (76) is respectively connected with the refrigerating module (5), the control button (77) and the display screen (78).

7. A vehicle comprising a vehicle-mounted power supply and the refrigerator of any one of claims 1-6, the vehicle-mounted power supply being connected to the refrigerator.