Refrigeration equipment

Abstract

The utility model provides a refrigeration device which comprises an evaporator, an evaporator cover plate, an evaporator cover plate, an evaporator cover plate and an evaporator cover plate, the heating device is used for defrosting the evaporator; the evaporator includes: an evaporator coil; the heat dissipation fins are arranged on the evaporator coil in a sleeving manner; the number of the cooling fins is multiple, the multiple cooling fins are sequentially arranged at intervals in the first direction, and the first direction is perpendicular to the height direction of the evaporator. The heating device comprises a first heating part connected to the cooling fins and located at the top end of the evaporator; the second heating part is connected to the cooling fins and located at the bottom end of the evaporator. The third heating part is connected to the cooling fins and located between the first heating part and the second heating part in the height direction of the evaporator, the defrosting effect of the middle of the evaporator can be improved, the defrosting time of the evaporator is shortened, and the situation that the temperature rise in the storage chamber is too high due to the long defrosting time is avoided; and therefore, the refrigeration equipment does not frequently enter a defrosting stage.

Description

Technical Field

[0001] The utility model relates to the technical field of household appliances, in particular to a refrigeration device. Background Art

[0002] The refrigeration equipment may include a box body, a door body and an evaporator. A storage room is formed in the box body. A return air inlet and an air outlet are formed on the box body. The evaporator is located in the box body. The air in the storage room flows from the return air inlet to the evaporator for heat exchange in the evaporator and flows from the air outlet to the storage room to provide cold air for the storage room.

[0003] When the evaporator provides cooling capacity, it will frost the evaporator, which will affect the heat exchange performance of the evaporator. Refrigeration equipment is generally equipped with a heating device to defrost the evaporator.

[0004] However, the top and bottom of the existing evaporator are provided with heating pipes, so that the top and bottom can be defrosted, but the defrosting effect of the middle part of the evaporator is poor, which causes the existing refrigeration equipment to have problems such as long defrosting time and unclean defrosting; when the defrosting time is long, the temperature in the storage room will rise greatly, and the temperature in each area of ​​the storage room will be uneven, which will affect the storage of items; when the defrosting is not clean, the refrigeration equipment will frequently enter the defrosting stage, which will seriously affect the operation of the refrigeration equipment and the energy consumption of the refrigeration equipment will be large. Therefore, the present application proposes a refrigeration equipment. Summary of the invention

[0005] The utility model aims to solve one of the technical problems in the related art at least to a certain extent.

[0006] To this end, according to an embodiment of the present disclosure, a refrigeration device is proposed, comprising:

[0007] A box body, one end of which is formed with a box opening; the box body comprises an outer shell and an inner liner, the inner liner is arranged in the outer shell, and an installation space is formed between the inner liner and the outer shell;

[0008] A door body, connected to the box body and used to open or close the box opening;

[0009] The evaporator is arranged in the installation space or the inner tank; the height direction of the evaporator is from the bottom end to the top end of the evaporator;

[0010] A heating device, used for defrosting the evaporator;

[0011] The evaporator comprises:

[0012] Evaporator coil;

[0013] A heat dissipation fin is sleeved on the evaporator coil; there are a plurality of heat dissipation fins, and the plurality of heat dissipation fins are sequentially spaced apart along a first direction, and the first direction is perpendicular to the height direction of the evaporator;

[0014] The heating device comprises:

[0015] A first heating part, connected to the heat dissipation fins and located at the top of the evaporator;

[0016] A second heating part, connected to the heat dissipation fins and located at the bottom end of the evaporator;

[0017] The third heating part has at least one layer and is connected to the heat dissipation fins. In the height direction of the evaporator, the third heating part is located between the first heating part and the second heating part.

[0018] A third heating part is arranged between the first heating part and the second heating part, so that the third heating part is arranged in the middle of the evaporator in the height direction. This can improve the defrosting effect of the middle part of the evaporator, reduce the defrosting time of the evaporator, avoid excessive temperature rise in the storage room due to a long defrosting time, avoid uneven temperature distribution in various areas of the storage room, avoid affecting the storage of items in the storage room, make the evaporator defrost cleanly, and prevent the refrigeration equipment from frequently entering the defrosting stage, thereby reducing the energy consumption of the refrigeration equipment.

[0019] According to an embodiment of the present disclosure, a refrigeration device is also provided, comprising:

[0020] A box body, one end of which is formed with a box opening; the box body comprises an outer shell and an inner liner, the inner liner is arranged in the outer shell, and an installation space is formed between the inner liner and the outer shell;

[0021] A door body, connected to the box body and used to open or close the box opening;

[0022] The evaporator is arranged in the installation space or the inner tank; the height direction of the evaporator is from the bottom to the top; the height of the evaporator is greater than or equal to 100 mm;

[0023] A heating device, used for defrosting the evaporator;

[0024] The evaporator comprises:

[0025] Evaporator coil;

[0026] A heat dissipation fin is sleeved on the evaporator coil; there are a plurality of heat dissipation fins, and the plurality of heat dissipation fins are sequentially spaced apart along a first direction, and the first direction is perpendicular to the height direction of the evaporator;

[0027] The heating device comprises:

[0028] A first heating part, connected to the heat dissipation fins and located at the top of the evaporator;

[0029] A second heating part, connected to the heat dissipation fins and located at the bottom end of the evaporator;

[0030] The third heating part has at least one layer and is connected to the heat dissipation fins. In the height direction of the evaporator, the third heating part is located between the first heating part and the second heating part.

[0031] When the height of the evaporator is greater than or equal to 100 mm, the evaporator is too thick and the defrosting effect in the middle of the evaporator is worse. The number and position of the third heating parts can be set according to the thickness of the evaporator to improve the defrosting effect of the evaporator.

[0032] According to an embodiment of the present disclosure, a first through hole is provided on the heat dissipation fin and penetrates the heat dissipation fin in the first direction, and the third heating part is inserted into the first through hole, which facilitates the installation of the heat dissipation fin and makes the installation of the evaporator more convenient.

[0033] According to an embodiment of the present disclosure, the third heating unit includes:

[0034] There are a plurality of third heating straight tubes, and the plurality of third heating straight tubes are arranged in sequence at intervals;

[0035] The third heating bent pipe is connected between two adjacent third heating straight pipes; there are a plurality of the third heating bent pipes; a plurality of the third heating straight pipes are sequentially connected by the plurality of the third heating bent pipes to form a layer of the third heating portion.

[0036] The third heating straight tube and the third heating curved tube are provided so that the third heating part can form a spirally arranged third heating part, which can increase the length of the third heating tube provided on the evaporator, improve the heat output at the evaporator, and improve the defrosting effect of the evaporator.

[0037] According to an embodiment of the present disclosure, the third heating straight tube is arranged along the first direction, and several third heating straight tubes are arranged in sequence along the second direction, and the second direction is perpendicular to the first direction and the height direction of the evaporator, so that the heat dissipation fins and the third heating straight tubes are perpendicular, so that the third heating straight tubes can be regularly arranged and the third heating part can be conveniently fixed on the heat dissipation fins.

[0038] According to an embodiment of the present disclosure, at least two of the third heating straight tubes are inserted in the same first through hole, so that the connection method of the third heating tube inserted in the first through hole is compatible with the connection and setting method of the third heating straight tube and the third heating bent tube, which facilitates the fixation of the third heating part.

[0039] According to an embodiment of the present disclosure, the evaporator coil has several layers, and in the height direction of the evaporator, the evaporator coil is located between the first heating part and the second heating part;

[0040] When the third heating part has one layer, the number of evaporator coil layers between the first heating part and the third heating part does not exceed the number of evaporator coil layers between the second heating part and the third heating part;

[0041] The setting position of the third heating part is adapted to the characteristic that the lower part of the evaporator has a large defrosting demand, so that the fixed position of the third heating part is beneficial to the defrosting of the evaporator and improves the defrosting effect of the evaporator.

[0042] According to an embodiment of the present disclosure, the evaporator coil has several layers, and in the height direction of the evaporator, the evaporator coil is located between the first heating part and the second heating part;

[0043] When the third heating part has at least two layers, the number of evaporator coil layers between the third heating part located at the top layer and the first heating part is the first number of layers, the maximum number of evaporator coil layers between two adjacent layers of the third heating part is the second number of layers, and the first number of layers ≥ the second number of layers.

[0044] The setting position of the third heating part is adapted to the characteristic that the lower part of the evaporator has a large defrosting demand, so that the fixed position of the third heating part is beneficial to the defrosting of the evaporator and improves the defrosting effect of the evaporator.

[0045] According to an embodiment of the present disclosure, when the third heating part has at least two layers, the number of evaporator coil layers between the third heating part located at the bottom layer and the second heating part is the third number of layers, and the second number of layers ≥ the third number of layers.

[0046] The setting position of the third heating part is adapted to the characteristic that the lower part of the evaporator has a large defrosting demand, so that the fixed position of the third heating part is beneficial to the defrosting of the evaporator and improves the defrosting effect of the evaporator.

[0047] According to an embodiment of the present disclosure, the third heating part is connected to the first heating part and the second heating part, which facilitates power supply to the first heating part and the second heating part. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] Figure 1 is a three-dimensional diagram of a horizontal refrigeration device according to an embodiment of the present application;

[0049] Figure 2 It is a partial structural diagram of a horizontal refrigeration device according to an embodiment of the present application;

[0050] Figure 3is another partial structural diagram of a horizontal refrigeration device according to an embodiment of the present application;

[0051] Figure 4 is another partial structural diagram of a horizontal refrigeration device according to an embodiment of the present application;

[0052] Figure 5 is another partial structural diagram of a horizontal refrigeration device according to an embodiment of the present application;

[0053] Figure 6 is a schematic structural diagram of an evaporator according to an embodiment of the present application;

[0054] Figure 7 is a schematic diagram of a partial structure of an evaporator according to an embodiment of the present application;

[0055] Figure 8 is a schematic diagram of a heat dissipation fin structure according to an embodiment of the present application;

[0056] Fig. 9 is a schematic diagram of a partial structure of a heating device according to an embodiment of the present application;

[0057] Fig.10 is a schematic diagram of a heat dissipation fin structure according to an embodiment of the present application;

[0058] Fig.11 yes Fig.10 The local structure diagram at A in the middle;

[0059] Fig.12 yes Fig.10 The local structure diagram at B in the middle;

[0060] Fig.13 is a schematic diagram of a partial structure of a refrigeration device according to an embodiment of the present application;

[0061] Fig.14 is a front view of a partial structure of a refrigeration device according to an embodiment of the present application;

[0062] Fig.15 yes Fig.14 The local structure diagram at C in the middle;

[0063] Fig.16 is a schematic structural diagram of a water receiving tray according to an embodiment of the present application;

[0064] Fig.17 It is a front view of the local structure of the refrigeration equipment according to the embodiment of the present application.

[0065] In the above figures: box body 1; outer shell 101; inner liner 102; installation space 103; compressor cavity 1031; storage room 11; box opening 12;

[0066] Door 2;

[0067] Compressor 31; evaporator 32; evaporator coil 321; heat dissipation fin 322; first through hole 3221; first fixing groove 3222; second fixing groove 3223; first limiting groove 3224; second limiting groove 3225; first limiting clamping plate 3226; second limiting clamping plate 3227;

[0068] Heating device 4; first heating part 41; first heating straight pipe 411; first heating curved pipe 412; second heating part 42; second heating straight pipe 421; second heating curved pipe 422; third heating part 43; third heating straight pipe 431; third heating curved pipe 432; first connecting part 44; second connecting part 45;

[0069] Water receiving tray 51; first water receiving plate 511; first supporting rib 5111; fan 52; return air outlet 53; air outlet 54. DETAILED DESCRIPTION

[0070] In order to make the purpose and implementation method of the present application clearer, the exemplary implementation method of the present application will be clearly and completely described below in conjunction with the drawings in the exemplary embodiments of the present application. Obviously, the described exemplary embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0071] It should be noted that the brief description of terms in this application is only for the convenience of understanding the embodiments described below, and is not intended to limit the embodiments of this application. Unless otherwise specified, these terms should be understood according to their common and usual meanings.

[0072] The terms "first", "second", "third", etc. in the specification and claims of this application and the above drawings are used to distinguish similar or similar objects or entities, and do not necessarily mean to limit a specific order or sequence, unless otherwise noted. It should be understood that the terms used in this way can be interchangeable under appropriate circumstances.

[0073] The terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover but not exclude inclusion, for example, a product or device comprising a list of components is not necessarily limited to all the components expressly listed but may include other components not expressly listed or inherent to such product or device.

[0074] The present application proposes a refrigeration device, which can be used for refrigerating and / or freezing items so that the items can be better preserved. The refrigeration device is described below with reference to the accompanying drawings.

[0075] In the examples of this application, reference is made to Figure 1-Figure 2The refrigeration device may include a housing 1. A storage chamber 11 may be formed in the housing 1. The storage chamber 11 is used to place items to be stored.

[0076] In an embodiment of the present application, the storage room may be a cold storage room.

[0077] In an embodiment of the present application, the storage chamber may be a freezer chamber.

[0078] In an embodiment of the present application, a portion of the storage chamber may be a refrigerating chamber, and a portion of the storage chamber may be a freezing chamber.

[0079] In the examples of this application, reference is made to Figure 1-Figure 2 The box body 1 is formed with a box opening 12. The box opening 12 can be communicated with the storage chamber 11. The box opening 12 can be an entrance for putting stored items into the storage chamber and an exit for taking stored items out of the storage chamber.

[0080] In the examples of this application, reference is made to Figure 1-Figure 2 The refrigeration device may include a door body 2. The door body 2 may be connected to the box body 1. The door body 2 may be used to open or close the box opening.

[0081] In the examples of this application, reference is made to Figure 1-Figure 2 The box body may include a shell 101. A shell accommodating space may be formed in the shell 101.

[0082] In the examples of this application, reference is made to Figure 1-Figure 2 The box body may include an inner liner 102. The inner liner 102 may be disposed in the outer shell 101. The inner liner 102 may be disposed in the outer shell accommodation space.

[0083] In the examples of this application, reference is made to Figure 1-Figure 3 An installation space 103 may be formed between the outer shell 101 and the inner shell 102 .

[0084] One end of the installation space 103 close to the box opening 12 is open.

[0085] In the embodiment of the present application, the box body 1 may include a box frame. The box frame may be connected to the outer shell 101 and / or the inner liner 102. The box frame may be arranged at an opening of the installation space near one end of the box opening to cover the opening.

[0086] In an embodiment of the present application, a foam layer may be provided in the installation space 103 to insulate the storage chamber.

[0087] In the embodiment of the present application, the height direction of the box body is from the bottom end of the box body to the top end of the box body.

[0088] In the embodiment of the present application, the box body may have a left-right direction. The left-right direction of the box body may be from one side end of the box body to the other side end of the box body.

[0089] In the embodiment of the present application, the box body may have a front-to-back direction. The front side of the box body to the rear side of the box body may be the front-to-back direction of the box body.

[0090] In the embodiment of the present application, among the height direction, the left-right direction and the front-back direction of the box body, two of them are perpendicular.

[0091] In an embodiment of the present application, the refrigeration device may be vertical. When the refrigeration device is vertical, the box opening may be arranged at the front side of the box body. The box frame may be arranged at the front side of the box body. The door body may be connected to the front side of the box body. The door body may be rotatably connected to the box body. Alternatively, the door body may be connected to a drawer arranged in the storage room, and the box opening may be opened or closed by pulling the door body.

[0092] In an embodiment of the present application, the refrigeration device may be horizontal. When the refrigeration device is horizontal, the box opening may be arranged at the top of the box body. The box frame may be arranged at the top of the box body. The door body may be connected to the top of the box body. The door body may be rotatably connected to the box body. Alternatively, the door body may be arranged on the box body in a push-pull manner along the left and right directions of the box body.

[0093] In the examples of this application, reference is made to Figure 1-Figure 3 The refrigeration device may include a compressor 31. The compressor is used to compress the refrigerant gas in a low-temperature and low-pressure state and discharge the refrigerant gas in a high-temperature and high-pressure state.

[0094] In an embodiment of the present application, the refrigeration device includes a condenser. The refrigerant gas discharged from the compressor flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.

[0095] In an embodiment of the present application, the refrigeration device may include a throttling device, which can expand the high-temperature and high-pressure liquid-phase refrigerant condensed in the condenser into a low-pressure liquid-phase refrigerant.

[0096] In the examples of this application, reference is made to Figure 4-Figure 5 , the refrigeration device may include an evaporator 32. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low temperature and low pressure state to the compressor. The evaporator can achieve a refrigeration effect by utilizing the latent heat of evaporation of the refrigerant to exchange heat with the material to be cooled.

[0097] In an embodiment of the present application, the refrigerant flows out of the compressor, sequentially flows through the condenser, the throttling device and the evaporator, and then flows back to the compressor to form a refrigerant circuit.

[0098] In the examples of this application, reference is made to Figure 1-Figure 3 , the compressor can be arranged in the installation space 103.

[0099] In the embodiment of the present application, the evaporator 32 may be disposed in the installation space 103 .

[0100] In an embodiment of the present application, the evaporator 32 may be disposed in the inner container 102 .

[0101] In the examples of this application, reference is made to Figure 6-Figure 7 The evaporator may have a top end and a bottom end. The height direction of the evaporator is from the bottom end of the evaporator to the top end of the evaporator.

[0102] In the examples of this application, reference is made to Figure 6-Figure 7 , the refrigeration device may include a heating device 4. The heating device 4 may be used to defrost the evaporator.

[0103] In the present application, the heating device may be an electric heating device.

[0104] In the examples of this application, reference is made to Figure 6-Figure 7 , the evaporator 32 may include an evaporator coil 321 .

[0105] In the examples of this application, reference is made to Figure 6-Figure 7 The evaporator 32 may include heat dissipation fins 322. The heat dissipation fins 322 may be sleeved on the evaporator coil.

[0106] In an embodiment of the present application, there may be a plurality of heat dissipation fins, and the plurality of heat dissipation fins may be sequentially arranged at intervals along a first direction, and the first direction may be perpendicular to the height direction of the evaporator.

[0107] In an embodiment of the present application, a plurality of heat dissipation fins may be evenly spaced along the first direction, and the interval between two adjacent heat dissipation fins is a constant value.

[0108] In the examples of this application, reference is made to Figure 8-Figure 9 The heating device 4 may include a first heating part 41. The first heating part 41 may be connected to the heat dissipation fins. The first heating part 41 may be located at the top of the evaporator.

[0109] In the examples of this application, reference is made to Figure 8-Figure 9 The heating device 4 may include a second heating part 42. The second heating part 42 may be connected to the heat dissipation fins. The second heating part 42 may be located at the bottom end of the evaporator.

[0110] In the examples of this application, reference is made to Figure 8-Figure 9 The heating device 4 may include a third heating part 43. The third heating part 43 may be connected to the heat dissipation fins. The third heating part 43 may have at least one layer.

[0111] In the embodiment of the present application, in the height direction of the evaporator, the third heating part may be located between the first heating part and the second heating part.

[0112] A third heating part is arranged between the first heating part and the second heating part, so that the third heating part is arranged in the middle of the evaporator in the height direction. This can improve the defrosting effect of the middle part of the evaporator, reduce the defrosting time of the evaporator, avoid excessive temperature rise in the storage room due to a long defrosting time, avoid uneven temperature distribution in various areas of the storage room, avoid affecting the storage of items in the storage room, make the evaporator defrost cleanly, and prevent the refrigeration equipment from frequently entering the defrosting stage, thereby reducing the energy consumption of the refrigeration equipment.

[0113] In an embodiment of the present application, the height of the evaporator may be less than 100 mm.

[0114] In the embodiment of the present application, the height of the evaporator may be greater than or equal to 100 mm. When the height of the evaporator is high, only arranging the heating parts at the top and bottom of the evaporator will make the defrosting of the middle part of the evaporator smaller and worse.

[0115] When the height of the evaporator is greater than or equal to 100 mm, the evaporator is too thick and the defrosting effect in the middle of the evaporator is worse. The number and position of the third heating parts can be set according to the thickness of the evaporator to improve the defrosting effect of the evaporator.

[0116] In the examples of this application, reference is made to Figure 8-Figure 9 The heat dissipation fin is provided with a first through hole 3221 penetrating the heat dissipation fin in a first direction. The third heating part can be inserted into the first through hole to facilitate the installation of the heat dissipation fin, making the installation of the evaporator more convenient.

[0117] In the examples of this application, reference is made to Figure 8-Figure 9 The third heating part 43 may include a third heating straight pipe 431 .

[0118] In the embodiment of the present application, the third heating part 43 may be a heating wire coil. The third heating part 43 may be an electric heating wire coil.

[0119] In the embodiment of the present application, there may be a plurality of third straight heating tubes 431. The plurality of third straight heating tubes may be arranged in sequence and spaced apart.

[0120] In an embodiment of the present application, a plurality of third heating straight tubes may be arranged in sequence at even intervals.

[0121] In an embodiment of the present application, the third heating straight tube may be arranged along the first direction.

[0122] In an embodiment of the present application, a plurality of third heating straight tubes may be arranged in sequence and spaced apart along the second direction. The second direction may be perpendicular to the first direction and the height direction of the evaporator, so that the heat dissipation fins and the third heating straight tubes are perpendicular, so that the third heating straight tubes can be arranged regularly and the third heating part can be conveniently fixed on the heat dissipation fins.

[0123] In the examples of this application, reference is made to Figure 8-Figure 9 The third heating part may include a third heating elbow 432. The third heating elbow 432 may be connected between two adjacent third heating straight pipes. There are a plurality of third heating elbows.

[0124] A plurality of third heating bent pipes connect a plurality of third heating straight pipes in sequence to form a layer of third heating parts.

[0125] The third heating straight tube and the third heating curved tube are provided so that the third heating part can form a spirally arranged third heating part, which can increase the length of the third heating tube provided on the evaporator, improve the heat output at the evaporator, and improve the defrosting effect of the evaporator.

[0126] In an embodiment of the present application, at least two third heating straight tubes are inserted in the same first through hole, so that the connection method of the third heating tube inserted in the first through hole is compatible with the connection and setting method of the third heating straight tube and the third heating bent tube, which facilitates the fixation of the third heating part.

[0127] In an embodiment of the present application, the first through hole may be in a strip shape, and the length direction of the first through hole may be parallel to the second direction of the evaporator.

[0128] In embodiments of the present application, the evaporator coil may have several layers.

[0129] In an embodiment of the present application, in the height direction of the evaporator, the evaporator coil is located between the first heating part and the second heating part.

[0130] In an embodiment of the present application, when the third heating part has one layer, the number of evaporator coil layers between the first heating part and the third heating part does not exceed the number of evaporator coil layers between the second heating part and the third heating part, so that the setting position of the third heating part is adapted to the characteristic of large defrosting demand in the lower part of the evaporator, and the fixed position of the third heating part is beneficial to the defrosting of the evaporator, thereby improving the defrosting effect of the evaporator.

[0131] In the embodiment of the present application, when the third heating part has at least two layers, the number of layers of the evaporator coil between the third heating part located at the top layer and the first heating part is the first number of layers, and the maximum number of layers of the evaporator coil between two adjacent third heating parts is the second number of layers. The first number of layers ≥ the second number of layers, so that the setting position of the third heating part is adapted to the feature of large defrosting demand at the lower part of the evaporator, and the fixed position of the third heating part is beneficial to the defrosting of the evaporator, thereby improving the defrosting effect of the evaporator.

[0132] In the embodiment of the present application, when the third heating part has at least two layers, the number of layers of the evaporator coil between the third heating part located at the bottom layer and the second heating part is the third number of layers. The second number of layers is ≥ the third number of layers, so that the setting position of the third heating part is adapted to the feature of large defrosting demand at the lower part of the evaporator, and the fixed position of the third heating part is beneficial to the defrosting of the evaporator, thereby improving the defrosting effect of the evaporator.

[0133] In the embodiment of the present application, when the third heating part has one layer, two ends of the third heating part are respectively connected to the first heating part and the second heating part, so as to facilitate power supply to the first heating part and the second heating part.

[0134] In the examples of this application, reference is made to Figure 8-Figure 9 , the heating device may include a first connecting portion 44 .

[0135] In an embodiment of the present application, the first connection portion may be a heating wire tube. The first connection portion may be an electric heating wire tube.

[0136] In an embodiment of the present application, the first connection portion may be located at one end of the evaporator in the first direction.

[0137] In the embodiment of the present application, when the third heating part has one layer, the first connecting part 44 may be connected between the first heating part and the third heating part.

[0138] In the examples of this application, reference is made to Figure 8-Figure 9 , the heating device may include a second connecting portion 45 .

[0139] In an embodiment of the present application, the second connection portion may be a heating wire tube. The second connection portion may be an electric heating wire tube.

[0140] In an embodiment of the present application, the second connection portion may be located at one end of the evaporator in the first direction.

[0141] In an embodiment of the present application, the third heating part is connected to the first heating part and the second heating part.

[0142] In the embodiment of the present application, when the third heating part has one layer, the second connection part 45 may be connected between the second heating part and the third heating part.

[0143] In an embodiment of the present application, when the third heating part has at least two layers, the at least two layers of the third heating part are connected in sequence: the top layer of heating tubes is connected to the first heating part, and the bottom layer of the third heating part is connected to the second heating part.

[0144] In an embodiment of the present application, the third heating tube located in the top layer is connected to the first heating part through the second connecting part.

[0145] In an embodiment of the present application, the third heating part located in the bottom layer is connected to the second heating part through the third connecting part.

[0146] In an embodiment of the present application, the heating device may include a third connecting portion. The third connecting portion may be connected between two adjacent third heating portions.

[0147] In an embodiment of the present application, the third connection portion may be located at one end of the evaporator in the first direction.

[0148] In an embodiment of the present application, the first connection portion and the second connection portion may be located on the same side of the evaporator.

[0149] In an embodiment of the present application, the first connection portion and the third connection portion may be located on the same side of the evaporator.

[0150] In an embodiment of the present application, the second connection portion and the third connection portion may be located on the same side of the evaporator.

[0151] In the examples of this application, reference is made to Figure 10-12 The top of the heat dissipation fin is formed with a first fixing groove 3222 with a top opening. The first heating part is clamped in the first fixing groove through the top opening of the first fixing groove.

[0152] In the examples of this application, reference is made to Figure 10-12 The bottom end of the heat dissipation fin is formed with a second fixing groove 3223 with a bottom opening. The second heating part is clamped in the second fixing groove through the bottom opening of the second fixing groove.

[0153] In the examples of this application, reference is made to Figure 10-12 The top of the heat dissipation fin is formed with a first limiting groove 3224 with an open top. A first limiting clamping plate 3226 is formed between the first limiting groove 3224 and the first fixing groove. The first limiting clamping plate clamps the first heating part in the first fixing groove.

[0154] In an embodiment of the present application, a first fixing groove may have a first limiting clamping plate.

[0155] In an embodiment of the present application, a first fixing slot may have two first limit clamping plates, and the two first limit clamping plates are respectively located on two sides of the first fixing slot.

[0156] In the examples of this application, reference is made to Figure 10-12 The bottom end of the heat dissipation fin is formed with a second limit groove 3225 with a bottom end opening. A second limit clamping plate 3227 is formed between the second limit groove 3225 and the second fixing groove. The second limit clamping plate clamps the second heating part in the second fixing groove.

[0157] In an embodiment of the present application, a second fixing slot may have a second limiting clamping plate.

[0158] In an embodiment of the present application, a second fixing slot may have two second limiting clamping plates, and the two second limiting clamping plates are respectively located on both sides of the second fixing slot.

[0159] In an embodiment of the present application, the first heating part may be a heating wire coil.

[0160] In the examples of this application, reference is made to Figure 8-Figure 9 The first heating part may include a first heating straight pipe 411 .

[0161] In the embodiment of the present application, there may be a plurality of first straight heating tubes 411. The plurality of first straight heating tubes may be arranged in sequence and spaced apart.

[0162] In an embodiment of the present application, a plurality of first heating straight tubes may be arranged in sequence at even intervals.

[0163] In an embodiment of the present application, the first heating straight tube may be arranged along the first direction.

[0164] In an embodiment of the present application, a plurality of first heating straight tubes may be arranged in sequence and spaced apart along the second direction.

[0165] In the examples of this application, reference is made to Figure 8-Figure 9 The first heating part may include a first heating elbow 412. The first heating elbow 412 may be connected between two adjacent first heating straight pipes. There are a plurality of first heating elbows.

[0166] A plurality of first heating bent pipes connect a plurality of first heating straight pipes in sequence to form a layer of first heating parts.

[0167] In an embodiment of the present application, the first heating straight pipe is clamped in the first fixing groove.

[0168] In an embodiment of the present application, the second heating part may be a heating wire coil.

[0169] In the examples of this application, reference is made to Figure 8-Figure 9 The second heating part may include a second heating straight pipe 421.

[0170] In the embodiment of the present application, there may be a plurality of second straight heating tubes 421. The plurality of second straight heating tubes may be arranged in sequence and spaced apart.

[0171] In an embodiment of the present application, a plurality of second heating straight tubes may be arranged in sequence at even intervals.

[0172] In an embodiment of the present application, the second heating straight tube may be arranged along the first direction.

[0173] In an embodiment of the present application, a plurality of second heating straight tubes may be sequentially arranged at intervals along the second direction.

[0174] In the examples of this application, reference is made to Figure 8-Figure 9 The second heating part may include a second heating elbow 422. The second heating elbow 422 may be connected between two adjacent second heating straight pipes. There are a plurality of second heating elbows.

[0175] A plurality of second heating bent pipes connect a plurality of second heating straight pipes in sequence to form a layer of second heating parts.

[0176] In an embodiment of the present application, the second heating straight pipe is clamped in the second fixing groove.

[0177] In an embodiment of the present application, when the refrigeration device is horizontal, the second direction of the evaporator may be parallel to the front-rear direction of the cabinet.

[0178] In the examples of this application, reference is made to Figure 13 to Figure 15 When the refrigeration device is horizontal, the first direction of the evaporator can be arranged at a first angle α1 with the left and right directions of the cabinet. The first angle α1 can be an acute angle.

[0179] In the examples of this application, reference is made to Figure 13 to Figure 15 When the refrigeration device is horizontal, the height direction of the evaporator can be set at a second angle α2 with the height direction of the cabinet.

[0180] In some embodiments of the present application, reference Figure 3 The installation space may include a compressor cavity 1031. The compressor cavity may be disposed at one end of the refrigeration device in the left and right directions. The compressor may be disposed in the compressor cavity.

[0181] The side of the bottom end of the evaporator close to the compressor cavity is located below the side of the bottom surface of the evaporator away from the compressor cavity.

[0182] In some embodiments of the present application, an evaporator cavity may be formed in the inner container. The evaporator may be disposed in the evaporator cavity.

[0183] In some embodiments of the present application, reference Figure 5The refrigeration device may include a fan 52. The fan 52 is used to provide power for the flow of air.

[0184] The fan 52 can be arranged in the inner tank. The fan can be arranged on one side of the evaporator in the second direction. The fan 52 can be arranged on the front side or the rear side of the evaporator.

[0185] In some embodiments of the present application, reference Fig.13 The refrigeration device may include a return air port 53. The return air port 53 is used to allow air in the storage room to enter the evaporator cavity. The return air port can connect the storage room with the evaporator cavity.

[0186] In some embodiments of the present application, reference Fig.13 The refrigeration device may include an air outlet 54. The air outlet is used for the air in the evaporator cavity to enter the storage chamber. The air outlet can connect the storage chamber with the evaporator cavity.

[0187] In some embodiments of the present application, the fan rotates to cause the air in the storage room to flow through the return air port to the evaporator cavity to exchange heat with the evaporator, and the air after heat exchange in the evaporator flows into the storage room through the air outlet.

[0188] In some embodiments of the present application, the plane where the bottom end of the evaporator is located may be the bottom surface of the evaporator.

[0189] In some embodiments of the present application, the bottom surface of the evaporator may be arranged horizontally along the front-back direction of the box body, the bottom surface of the evaporator may be arranged tilted along the left-right direction of the box body, and the bottom surface of the evaporator may form a first angle with the horizontal plane.

[0190] In the examples of this application, reference is made to Figure 15-16 When the refrigeration device is horizontal, the refrigeration device may include a water receiving pan 51. The water receiving pan may be located below the evaporator. The water receiving pan is used to receive the condensed water left on the evaporator.

[0191] In some embodiments of the present application, the water receiving tray 51 may be disposed in the inner container.

[0192] In some embodiments of the present application, reference Figure 15-16 The evaporator may be disposed on the water receiving tray. The water receiving tray may include a first water receiving plate 511 .

[0193] In some embodiments of the present application, reference Figure 15-16 The first water receiving plate 511 may include a first supporting rib 5111. The first supporting rib may be disposed on a side of the first water receiving plate close to the evaporator.

[0194] In some embodiments of the present application, the first heating part may be in contact with the water receiving tray, which can improve the defrosting effect of the water receiving tray.

[0195] In some embodiments of the present application, the first supporting rib may be in contact with the first heating part.

[0196] In some embodiments of the present application, reference Figure 15-17 , the first supporting rib may have a first gap G1 with the first heating part.

[0197] The first gap G1≤the first parameter value. The first parameter value may be 10 mm, and the first gap G1≤10 mm, so that a certain installation gap can exist, so that the first supporting rib can be as close to the bottom heating pipe as possible.

[0198] In some embodiments of the present application, reference Figure 15-17 There may be a plurality of first support ribs. The plurality of first support ribs may be spaced apart along the front-rear direction of the box body, so that the condensed water on the water receiving tray can flow in the left-right direction of the box body, and the condensed water can be gathered at the drainage hole of the water receiving tray.

[0199] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

[0200] For the convenience of explanation, the above description has been made in conjunction with specific embodiments. However, the above exemplary discussion is not intended to be exhaustive or limit the embodiments to the specific forms disclosed above. Based on the above teachings, various modifications and variations can be obtained. The selection and description of the above embodiments are to better explain the principles and practical applications, so that those skilled in the art can better use the embodiments and various different variations of the embodiments suitable for specific use considerations.

Claims

1. A refrigeration device, characterized in that: include: A box body, one end of which is formed with a box opening; the box body comprises an outer shell and an inner liner, the inner liner is arranged in the outer shell, and an installation space is formed between the inner liner and the outer shell; A door body, connected to the box body and used to open or close the box opening; The evaporator is arranged in the installation space or the inner tank; the height direction of the evaporator is from the bottom end to the top end of the evaporator; A heating device, used for defrosting the evaporator; The evaporator comprises: Evaporator coil; A heat dissipation fin is sleeved on the evaporator coil; there are a plurality of heat dissipation fins, and the plurality of heat dissipation fins are sequentially spaced apart along a first direction, and the first direction is perpendicular to the height direction of the evaporator; The heating device comprises: A first heating part, connected to the heat dissipation fins and located at the top of the evaporator; A second heating part, connected to the heat dissipation fins and located at the bottom end of the evaporator; The third heating part has at least one layer and is connected to the heat dissipation fins. In the height direction of the evaporator, the third heating part is located between the first heating part and the second heating part.

2. A refrigeration device, characterized in that: include: A box body, one end of which is formed with a box opening; the box body comprises an outer shell and an inner liner, the inner liner is arranged in the outer shell, and an installation space is formed between the inner liner and the outer shell; A door body, connected to the box body and used to open or close the box opening; The evaporator is arranged in the installation space or the inner tank; the height direction of the evaporator is from the bottom end to the top end of the evaporator; The height of the evaporator is greater than or equal to 100 mm; A heating device, used for defrosting the evaporator; The evaporator comprises: Evaporator coil; A heat dissipation fin is sleeved on the evaporator coil; there are a plurality of heat dissipation fins, and the plurality of heat dissipation fins are sequentially spaced apart along a first direction, and the first direction is perpendicular to the height direction of the evaporator; The heating device comprises: A first heating part, connected to the heat dissipation fins and located at the top of the evaporator; A second heating part, connected to the heat dissipation fins and located at the bottom end of the evaporator; The third heating part has at least one layer and is connected to the heat dissipation fins. In the height direction of the evaporator, the third heating part is located between the first heating part and the second heating part.

3. The refrigeration equipment according to claim 1 or 2, characterized in that: The heat dissipation fin is provided with a first through hole penetrating the heat dissipation fin in the first direction, and the third heating part is inserted in the first through hole.

4. The refrigeration equipment according to claim 3, characterized in that: The third heating unit comprises: There are a plurality of third heating straight tubes, and the plurality of third heating straight tubes are arranged in sequence at intervals; The third heating bent pipe is connected between two adjacent third heating straight pipes; there are a plurality of the third heating bent pipes; a plurality of the third heating straight pipes are sequentially connected by the plurality of the third heating bent pipes to form a layer of the third heating portion.

5. The refrigeration equipment according to claim 4, characterized in that: The third straight heating tube is arranged along the first direction, and a plurality of the third straight heating tubes are arranged in sequence and at intervals along a second direction, and the second direction is perpendicular to the first direction and the height direction of the evaporator.

6. The refrigeration device according to claim 4, characterized in that: At least two of the third heating straight tubes are inserted into the same first through hole.

7. The refrigeration equipment according to claim 4, characterized in that: The evaporator coil has a plurality of layers, and in the height direction of the evaporator, the evaporator coil is located between the first heating part and the second heating part; When the third heating part has one layer, the number of evaporator coil layers between the first heating part and the third heating part does not exceed the number of evaporator coil layers between the second heating part and the third heating part.

8. The refrigeration equipment according to claim 4, characterized in that: The evaporator coil has a plurality of layers, and in the height direction of the evaporator, the evaporator coil is located between the first heating part and the second heating part; When the third heating part has at least two layers, the number of evaporator coil layers between the third heating part located at the top layer and the first heating part is the first number of layers, the maximum number of evaporator coil layers between two adjacent layers of the third heating part is the second number of layers, and the first number of layers ≥ the second number of layers.

9. The refrigeration device according to claim 8, characterized in that: When the third heating part has at least two layers, the number of layers of the evaporator coil between the third heating part located at the bottom layer and the second heating part is the third number of layers, and the second number of layers ≥ the third number of layers.

10. The refrigeration device according to claim 4, characterized in that: The third heating part is connected to the first heating part and the second heating part.

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