Cold storage type vapor chamber evaporator for vehicle-mounted refrigerator

Abstract

The utility model discloses a cold accumulation type vapor chamber evaporator for a vehicle-mounted refrigerator, which is characterized by comprising an evaporator body, the evaporator body is provided with a vapor chamber arranged along the periphery in a storage chamber shell of the vehicle-mounted refrigerator, and the inner surface of the vapor chamber is used as the surface of an inner container of the refrigerator; a heat exchange channel is distributed on the uniform temperature plate, the heat exchange channel is of a double-layer structure, the inner layer is a refrigerant channel, and the outer layer is a coolant cavity; the inner layer side of a refrigerant channel of the heat exchange channel is of a plane structure. The size of the evaporator and the size of the cold storage module are greatly reduced, and the effective volume of the storage chamber is increased. Cold is directly supplied to the refrigerator, and energy consumption minimization is achieved; when the vehicle-mounted refrigerator is powered on to refrigerate, the cold accumulation material in the cold accumulation agent cavity can store cold energy, and when the vehicle stops supplying power, the interior of the vehicle-mounted refrigerator continues to keep low temperature, and the situation that articles go bad due to the fact that the vehicle-mounted refrigerator is powered off and cannot refrigerate is avoided; and the combined requirements of various integrated split refrigerators can be met.

Description

Technical Field

[0001] The utility model relates to a vehicle-mounted refrigerator technology, in particular to a cold storage type temperature averaging plate evaporator for a vehicle-mounted refrigerator. Background Art

[0002] With the widespread use of car refrigerators, there are many designs of car refrigerators with different structures. For example, the patent publication number is CN116118594A, a car refrigerator with cold storage function, including a refrigerator shell, an inner tank insulation board, an inner tank, a cold storage evaporator module, a refrigerator temperature control system, and a drawer; the inner tank is nested in the refrigerator shell, and the inner tank insulation board is arranged between the refrigerator shell and the inner tank; the partition inside the inner tank divides the inner tank into two main cavities, one for placing the cold storage evaporator module and the other for placing the drawer; the refrigerator temperature control system includes a refrigerator temperature control fan and a storage compartment temperature sensor, the refrigerator temperature control fan is arranged on the internal partition of the inner tank, and the temperature sensing package of the storage compartment temperature sensor is arranged at the air outlet of the refrigerator temperature control fan. The evaporator and cold storage module of this structure will occupy part of the volume of the car refrigerator, reducing the effective volume. Another example is a car refrigerator with patent announcement number CN221137823U, which includes a storage module, a storage shell with a top opening, an inner tank with a top opening arranged inside the storage shell, a top cover arranged at the top of the storage shell opening, and a part of the top cover at the other end of the storage shell is openable and closable; a refrigeration module is arranged at one end of the storage shell to provide refrigeration to the inner tank. This type of device uses a wire tube evaporator, and also uses a semiconductor refrigeration element, which is arranged at a fixed position in the storage room, making the temperature in the storage room uneven, especially when the air is not flowing. Summary of the invention

[0003] The purpose of the utility model is to solve the above-mentioned problem and to provide a cold storage type temperature-averaging plate evaporator for a vehicle refrigerator. The temperature-averaging plate evaporator is directly made into an inner tank, and a double-layer heat exchange channel is obtained by a blowing plate method. It has the characteristics of increasing the effective volume of the storage room, reducing energy consumption, and avoiding deterioration of items due to power failure and inability to refrigerate the vehicle refrigerator.

[0004] The above-mentioned technical problems of the utility model are mainly solved by the following technical solutions: a cold storage type temperature equalizing plate evaporator for a vehicle refrigerator, characterized in that it includes an evaporator body, the evaporator body is provided with a temperature equalizing plate arranged along a circle inside the outer shell of the vehicle refrigerator storage chamber, and the inner surface of the temperature equalizing plate serves as the surface of the refrigerator liner; a heat exchange channel is arranged on the temperature equalizing plate, and the heat exchange channel is a double-layer structure, in which the inner layer is a refrigerant channel and the outer layer is a refrigerant cavity; the inner layer side of the refrigerant channel of the heat exchange channel is a planar structure.

[0005] In the aforementioned cold storage type temperature averaging plate evaporator for a vehicle refrigerator, preferably, the temperature averaging plate is a double-layer structural plate, and the heat exchange channel is formed by a blowing plate to form a continuous medium walkway or accommodating cavity protruding toward the outer shell of the vehicle refrigerator storage chamber.

[0006] In the aforementioned cold storage type temperature averaging plate evaporator for a vehicle refrigerator, preferably, the temperature averaging plate forms a rectangular inner cavity structure along the inner vertical surface of the outer shell of the vehicle refrigerator storage compartment.

[0007] In the aforementioned cold storage type temperature averaging plate evaporator for a vehicle refrigerator, preferably, the temperature averaging plate forms a rectangular missing corner structure along the inner vertical surface of the vehicle refrigerator storage chamber shell, and the missing corner portion of the rectangular parallelepiped is adapted to the size of the refrigeration module shell.

[0008] In the aforementioned cold storage type temperature averaging plate evaporator for a vehicle refrigerator, preferably, an evaporator outlet joint and an evaporator inlet joint are provided on the temperature averaging plate, and the evaporator outlet joint and the evaporator inlet joint are concentrated at a near point position.

[0009] In the aforementioned cold storage type temperature evaporator for a vehicle refrigerator, preferably, the cross section of the heat exchange channel on the temperature evaporator is an arc structure.

[0010] In the aforementioned cold storage type temperature evaporator for a vehicle refrigerator, preferably, the heat exchange channel is an evenly spaced serpentine tube structure on the temperature evaporator.

[0011] In this technical solution, the evaporator body is directly made into the refrigerator liner, that is, its inner surface serves as the refrigerator liner surface; and through the double-layer structure of the temperature equalizing plate through the blowing plate process, a heat exchange channel protruding toward the outer shell of the vehicle refrigerator storage chamber is formed, so that the effective volume of the storage chamber is maximized; and the foaming layer filled between the protruding heat exchange channel part and the storage chamber outer shell constitutes the refrigerator insulation layer.

[0012] The heat exchange channel is composed of two layers, the inner layer is the refrigerant channel, and the outer layer is the refrigerant chamber. The heat exchange contact surface is fully direct and the heat exchange efficiency is high. The inner layer side of the refrigerant channel is a plane structure, which is consistent with the plane of the inner tank. The maximum value can be selected when taking the value of this plane, and the maximum refrigerant flow surface can be obtained relative to the inner tank.

[0013] The cross section of the heat exchange channel on the temperature averaging plate is preferably an arc arch structure, which achieves the best plate surface strength under limited plate thickness conditions. The evaporator outlet joint and evaporator inlet joint on the temperature averaging plate are concentrated at the near point position, which simplifies assembly and facilitates pipe connection; the heat exchange channel is arranged in an evenly spaced serpentine tube on the temperature averaging plate, so that the temperature averaging plate can be truly evenly heated.

[0014] The temperature averaging plate of the device can meet the needs of integrated vehicle refrigerators and split vehicle refrigerators.

[0015] Compared with the prior art, the beneficial effects of the utility model are: the temperature equalizing plate evaporator design integrated with the refrigerator inner tank has a double-layer structure of the inflation-type superimposed heat exchange channel, which greatly reduces the volume of the evaporator and the volume of the cold storage module, thereby increasing the effective volume of the storage room; directly supplies cold air to the refrigerator to minimize energy consumption; when the vehicle refrigerator is powered on for cooling, the cold storage material in the cold storage chamber can store cold air, and when the vehicle stops powering off, the vehicle refrigerator continues to maintain a low temperature, thereby avoiding the deterioration of items due to the inability to refrigerate due to power outage of the vehicle refrigerator for a certain period of time; it can meet the requirements of various integrated and split refrigerator combinations. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a main structural schematic diagram of the utility model.

[0017] Figure 2 It is a structural schematic diagram of an evaporator body of the utility model in an expanded state.

[0018] Figure 3 The utility model is a schematic diagram of the cross-sectional structure of a heat exchange channel of an evaporator body.

[0019] Figure 4 It is a schematic structural diagram of an embodiment of the utility model.

[0020] Figure 5 yes Figure 4 Schematic diagram of the application state structure of the vehicle refrigerator storage compartment of the embodiment.

[0021] Figure 6 It is a structural schematic diagram of a matching refrigeration module of the utility model.

[0022] Figure 7 The utility model is a schematic structural diagram of an integrated vehicle refrigerator embodiment.

[0023] Figure 8 The utility model is a schematic structural diagram of a split-type vehicle refrigerator embodiment.

[0024] In the figure: 1-car refrigerator storage compartment shell, 2-foaming layer, 3-evaporator body, 301-temperature averaging plate, 302-evaporator outlet joint, 303-evaporator inlet joint, 304-refrigerant channel, 305-refrigerant chamber, 4-refrigeration module shell, 5-condenser, 6-fan, 7-water tray, 8-compressor, 9-evaporation tube, 10-drying filter, 11-return air pipe, 12-capillary tube, 13-transition pipe. DETAILED DESCRIPTION

[0025] The technical solution of the utility model is further specifically described below through embodiments and in conjunction with the accompanying drawings.

[0026] This embodiment is a cold storage type temperature evaporator for a vehicle refrigerator, such as Figure 1 As shown, the evaporator body 3 includes a temperature averaging plate 301 arranged along the inner periphery of the vehicle refrigerator storage compartment shell 1. The inner surface of the temperature averaging plate 301 is used as the inner surface of the refrigerator, and can be surface treated in actual application. The temperature averaging plate 301 is provided with heat exchange channels, such as Figure 2 As shown, the heat exchange channel can store cold and serve as a refrigerant flow channel. The heat exchange channel is a double-layer structure, in which the inner layer is the refrigerant channel 304 and the outer layer is the refrigerant chamber 305. Figure 3 The inner side of the refrigerant channel 304 in the heat exchange channel is a plane structure; the cross section of the heat exchange channel on the temperature equalizing plate 301 is an arc structure. The refrigerant chamber 305 is located on the temperature equalizing plate 301 and is a relatively closed area, and its space overlaps with the position of the refrigerant channel 304 on the temperature equalizing plate 301. The heat exchange channel on the temperature equalizing plate 301 is arranged in an equidistant serpentine tube structure.

[0027] Production of heat exchange channel: The temperature equalizing plate 301 uses a double-layer structural plate, and the heat exchange channel is formed by a blowing plate method, wherein the continuous medium walkway or accommodating cavity protruding toward the outer shell 1 of the vehicle refrigerator storage chamber is the heat exchange channel, including an inner layer and an outer layer.

[0028] When the evaporator body 3 is surrounded by an inner tank shape, the evaporator outlet connector 302 and the evaporator inlet connector 303 provided on the temperature plate 301 are concentrated at a near point position parallel to each other for external connection, such as Figure 4 shown.

[0029] Embodiment 1: Application of this embodiment in an integrated vehicle refrigerator

[0030] The temperature averaging plate 301 forms a rectangular structure with missing corners along the inner vertical surface of the storage compartment shell 1 of the vehicle refrigerator. Figure 4 and Figure 5 The missing corner of the rectangular parallelepiped is matched with the size of the refrigeration module housing 4.

[0031] The refrigeration module housing 4 is provided with a compressor 8 and a condenser 5. Figure 6 A fan 6 is provided between the compressor 8 and the condenser 5. The output of the compressor 8 is connected to the condenser 5 through the evaporation tube 9. The output pipe of the condenser 5 is connected to the capillary tube 12 through the drying filter 10. One end of the capillary tube 12 is used as a transition tube 13 for connection with the evaporator inlet joint 303. The return air pipe 11 of the compressor 8 is left empty for connection with the evaporator outlet joint 302. A water collection pan 7 is provided below the evaporation tube 9 and the fan 6.

[0032] A foaming layer 2 is filled between the storage compartment shell 1 and the evaporator body 3 of the vehicle refrigerator. Figure 5 As shown, the bottom of the refrigerator storage compartment housing 1 is provided with a heat preservation base and the top is provided with a refrigerator cover. Figure 7 As shown, the refrigeration module and the vehicle refrigerator storage compartment are completely combined into a complete rectangular parallelepiped.

[0033] Embodiment 2: Application of this embodiment in a split-type vehicle refrigerator

[0034] In order to further expand the volume, the temperature plate 301 forms a rectangular inner cavity structure along the inner vertical surface of the vehicle refrigerator storage compartment shell 1, and the press compartment module is moved out and loaded outside the vehicle independently, such as Figure 8 As shown, the storage chamber and the refrigeration module (compressor chamber) are connected via a refrigerant connecting pipe, the transition pipe 13 is connected to the evaporator inlet 303, and the evaporator outlet joint 302 is connected to the return air pipe 11.

[0035] The above embodiments are illustrations of the present invention, not limitations of the present invention. Without departing from the principles of the present technical solution, any equivalent changes or equivalent modifications made in accordance with the technical ideas proposed by the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A cold storage type temperature evaporator for a vehicle refrigerator, characterized in that The evaporator body (3) is provided with a temperature averaging plate (301) arranged along a circle inside the outer shell (1) of the vehicle-mounted refrigerator storage chamber, and the inner surface of the temperature averaging plate serves as the inner surface of the refrigerator; a heat exchange channel is arranged on the temperature averaging plate, and the heat exchange channel is a double-layer structure, wherein the inner layer is a refrigerant channel (304) and the outer layer is a refrigerant chamber (305); the inner layer side of the refrigerant channel in the heat exchange channel is a planar structure.

2. The cold storage type temperature evaporator for a vehicle refrigerator according to claim 1, characterized in that: The temperature-averaging plate (301) is a double-layer structural plate, and the heat exchange channel is formed by means of a blown plate to form a continuous medium walkway or accommodating cavity that protrudes toward the outer shell (1) of the vehicle refrigerator storage chamber.

3. The cold storage type temperature evaporator for a vehicle refrigerator according to claim 1, characterized in that: The temperature-averaging plate (301) forms a rectangular inner cavity structure along the inner vertical surface of the storage compartment shell (1) of the vehicle-mounted refrigerator.

4. The cold storage type temperature evaporator for a vehicle refrigerator according to claim 1, characterized in that: The temperature equalizing plate (301) forms a rectangular parallelepiped structure along the inner vertical surface of the vehicle refrigerator storage compartment shell (1), and the rectangular parallelepiped portion is adapted to the size of the refrigeration module shell (4).

5. A cold storage type temperature evaporator for a vehicle refrigerator according to claim 1, 2, 3 or 4, characterized in that: The temperature equalizing plate (301) is provided with an evaporator outlet joint (302) and an evaporator inlet joint (303), and the evaporator outlet joint and the evaporator inlet joint are concentrated at a near point position.

6. The cold storage type temperature evaporator for a vehicle refrigerator according to claim 1, characterized in that: The cross section of the heat exchange channel on the temperature uniformity plate (301) is a circular arc structure.

7. A cold storage type temperature evaporator for a vehicle refrigerator according to claim 1, 2 or 6, characterized in that: The heat exchange channel on the temperature-averaging plate (301) is a serpentine tube structure with equal spacing.

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