Charging device for vehicle and vehicle

Abstract

The utility model discloses a charging device for a vehicle and the vehicle, the charging device comprises a housing, a heat dissipation assembly and a power element, and an accommodating cavity is formed in the housing; the heat dissipation assembly is arranged in the containing cavity, the surfaces of the two sides of the heat dissipation assembly in the thickness direction are constructed to be a first heat dissipation face and a second heat dissipation face respectively, and a cooling flow channel suitable for circulation of a cooling medium is formed between the first heat dissipation face and the second heat dissipation face of the heat dissipation assembly; the plurality of power elements are respectively arranged on the first heat dissipation surface and the second heat dissipation surface. According to the charging device provided by the utility model, a high-efficiency heat dissipation effect is realized, the compactness and the integration level of the charging device are improved, the stable operation of the power element is ensured, and the charging device is smaller and lighter and is convenient to install and use on a vehicle.

Description

Technical Field

[0001] The utility model relates to the field of vehicles, in particular to a charging device for a vehicle and the vehicle. Background Art

[0002] The main function of the power supply device is to charge the battery pack of new energy vehicles to provide a continuous and stable power supply to ensure that the vehicle can operate normally under various working conditions.

[0003] The power supply device usually adopts an external heat dissipation structure for heat dissipation design. Due to the large size of the heat dissipation structure, it brings many inconveniences to the overall layout of the vehicle and restricts the layout of other components in the vehicle. In addition, the heat dissipation structure also has limitations in heat dissipation efficiency.

[0004] For example, CN210363406U discloses a vehicle-mounted charger, including a fixed base, a shock absorbing device is provided at the upper end of the fixed base, a charger base is provided at the upper end of the shock absorbing device, a charger body is provided above the charger base, a fan housing is provided above the charger body, an exhaust fan is provided inside the fan housing, a fan mounting groove is provided on one side of the lower end of the fan housing, a fan mounting block is provided on one side of the upper end of the charger body, a base mounting block is provided on one side of the lower end of the charger body, and a base mounting groove is provided on one side of the upper end of the charger base. Utility Model Content

[0005] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a charging device for a vehicle. According to the charging device of the utility model, an efficient heat dissipation effect is achieved, while the compactness and integration of the charging device are improved, the stable operation of the power element is ensured, and the charging device is made smaller and lighter, which is convenient for installation and use on the vehicle.

[0006] The utility model also provides a vehicle with the charging device.

[0007] According to the utility model, the charging device is used for a vehicle, and the charging device includes a shell, in which a accommodating cavity is formed; a heat dissipation component, which is arranged in the accommodating cavity, and the two side surfaces of the heat dissipation component in the thickness direction are respectively constructed as a first heat dissipation surface and a second heat dissipation surface, and the heat dissipation component forms a cooling channel suitable for the circulation of a cooling medium between the first heat dissipation surface and the second heat dissipation surface; a power element, which is constructed in multiple numbers and is respectively arranged on the first heat dissipation surface and the second heat dissipation surface.

[0008] According to the charging device of the utility model, the accommodating cavity in the shell is used to provide installation space for the internal components, and the shell is used to isolate and protect the internal components in the accommodating cavity to ensure the safety and stability of the internal components. By setting a heat dissipation component, a cooling channel suitable for the circulation of cooling medium is formed between the first heat dissipation surface and the second heat dissipation surface of the heat dissipation component. The first heat dissipation surface and the second heat dissipation surface serve as interfaces for heat transfer, and can efficiently transfer the heat generated by the power element to the cooling medium. The cooling channel provides a circulation path for the cooling medium, and the cooling medium circulates in the cooling channel and takes away the heat to achieve a heat dissipation effect. By setting a power element, the power element is responsible for converting the input electric energy into electric energy suitable for charging the vehicle battery pack. At least one power element is arranged on each of the first heat dissipation surface and the second heat dissipation surface to optimize the heat dissipation area and heat dissipation efficiency, and to help improve the compactness and integration of the charging device, so that the charging device is more compact and light, and is easy to install and use on the vehicle. The first heat dissipation surface and the second heat dissipation surface can directly and effectively transfer the heat generated by the power element to the cooling medium to ensure the stable operation of the power element.

[0009] According to some embodiments of the utility model, the heat dissipation assembly includes: a first heat dissipation plate, wherein one side surface of the first heat dissipation plate in the thickness direction is configured as a first flow channel surface, and the other side surface of the first heat dissipation plate in the thickness direction is configured as the first heat dissipation surface; a second heat dissipation plate, wherein one side surface of the second heat dissipation plate in the thickness direction is configured as a second flow channel surface, and the other side surface of the second heat dissipation plate in the thickness direction is configured as the second heat dissipation surface; wherein the first flow channel surface and the second flow channel surface are opposite to each other and cooperate to define the cooling flow channel between each other.

[0010] According to some embodiments of the present invention, a flow channel groove suitable for accommodating a cooling medium is formed on the first flow channel surface and / or the second flow channel surface.

[0011] According to some embodiments of the present invention, at least a portion of the flow channel extends in a curved manner.

[0012] According to some embodiments of the utility model, the flow channel includes: a first section, the first section extends in a first direction; a second section and a third section, the second section and the third section are respectively connected to both ends of the first section and extend in the second direction, the second direction is orthogonal to the first direction, and at least part of the second section and at least part of the third section bend and extend toward each other.

[0013] According to some embodiments of the utility model, the shell includes: a first bottom plate and a second bottom plate, the first bottom plate and the second bottom plate are parallel to each other and spaced apart; a side plate, the side plate is arranged around, one end of the side plate is connected to the edge of the first bottom plate, and the other end of the side plate is connected to the edge of the second bottom plate; wherein the accommodating cavity is defined between the first bottom plate, the second bottom plate and the side plate.

[0014] According to some embodiments of the utility model, an inlet and an outlet connected to both ends of the cooling channel are formed on the side plate; the shell also includes: a liquid inlet joint, which is arranged on the side plate and connected to the inlet; and a liquid outlet joint, which is arranged on the side plate and connected to the outlet.

[0015] According to some embodiments of the present invention, the liquid inlet connector and the liquid outlet connector are respectively arranged on a side adjacent to or opposite to the side plate, and the liquid inlet connector and the liquid outlet connector are oriented in opposite directions.

[0016] According to some embodiments of the present invention, a charging connector is also provided on the side panel, and the charging connector is electrically connected to the power element.

[0017] The vehicle according to the present utility model is briefly described below.

[0018] The vehicle according to the utility model includes the charging device described in any one of the above embodiments. Since the vehicle according to the utility model includes the charging device described in any one of the above embodiments, the vehicle according to the utility model realizes the charging functions of efficient heat dissipation, compact integration and stable operation, thereby ensuring the safe and efficient charging of the vehicle battery pack and improving the overall performance and user experience of the vehicle.

[0019] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0021] Figure 1 is a schematic structural diagram of a charging device according to an embodiment of the utility model;

[0022] Figure 2 This is a schematic diagram of the internal structure of a charging device in one direction according to an embodiment of the utility model;

[0023] Figure 3is a schematic diagram of the internal structure of a charging device according to an embodiment of the utility model in another direction;

[0024] Figure 4 It is a schematic diagram of the structure of the flow channel groove in the charging device according to one embodiment of the utility model;

[0025] Figure 5 It is a side view and a front view of a liquid inlet connector of a charging device according to an embodiment of the utility model;

[0026] Figure 6 1 is a side view and a front view of a liquid outlet connector of a charging device according to an embodiment of the utility model.

[0027] Reference numerals:

[0028] Charging device 1;

[0029] Shell 11, side plate 111, liquid inlet connector 111a, liquid outlet connector 111b, charging connector 111c;

[0030] Heat dissipation component 12, first heat dissipation surface 121, second heat dissipation surface 122, flow channel groove 123, first section 123a, second section 123b, third section 123c;

[0031] Power element 13. DETAILED DESCRIPTION

[0032] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0033] In the description of the present utility model, it is necessary to understand that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] In the related art, the power supply device usually adopts an external heat dissipation structure for heat dissipation design. Due to the large size of the heat dissipation structure, it brings many inconveniences to the overall layout of the vehicle and limits the layout of other components in the vehicle. In addition, the heat dissipation structure also has limitations in heat dissipation efficiency.

[0036] Reference below Figure 1-Figure 6 A charging device 1 according to an embodiment of the present invention is described.

[0037] like Figure 1-Figure 3 As shown, according to the utility model, the charging device 1 is used for a vehicle, and the charging device 1 includes a shell 11, a heat dissipation component 12 and a power element 13. A housing cavity is formed in the shell 11; the heat dissipation component 12 is arranged in the housing cavity, and the two side surfaces of the heat dissipation component 12 in the thickness direction are respectively constructed as a first heat dissipation surface 121 and a second heat dissipation surface 122, and a cooling flow channel suitable for the circulation of a cooling medium is formed between the first heat dissipation surface 121 and the second heat dissipation surface 122 of the heat dissipation component 12; the power element 13 is constructed in plurality and is respectively arranged on the first heat dissipation surface 121 and the second heat dissipation surface 122.

[0038] According to the charging device 1 of the utility model, the accommodating cavity in the shell 11 is used to provide an installation space for the internal components, and the shell 11 is used to isolate and protect the internal components in the accommodating cavity to ensure the safety and stability of the internal components. By setting the heat dissipation component 12, the heat dissipation component 12 forms a cooling channel suitable for the circulation of the cooling medium between the first heat dissipation surface 121 and the second heat dissipation surface 122. The first heat dissipation surface 121 and the second heat dissipation surface 122 serve as the interface for heat transfer, and can efficiently transfer the heat generated by the power element 13 to the cooling medium. The cooling channel provides a circulation path for the cooling medium, and the cooling medium circulates in the cooling channel and takes away the heat to achieve the heat dissipation effect. By setting the power element 13, the power element 13 is responsible for converting the input electric energy into electric energy suitable for charging the vehicle battery pack. At least one power element 13 is arranged on each of the first heat dissipation surface 121 and the second heat dissipation surface 122 to optimize the heat dissipation area and heat dissipation efficiency, and help to improve the compactness and integration of the charging device 1, so that the charging device 1 is more compact and light, and is easy to install and use on the vehicle. The first heat dissipation surface 121 and the second heat dissipation surface 122 can directly and effectively transfer the heat generated by the power element 13 to the cooling medium, thereby ensuring the stable operation of the power element 13 .

[0039] Therefore, according to the charging device 1 of the present invention, an efficient heat dissipation effect is achieved, while the compactness and integration of the charging device 1 are improved, the stable operation of the power element 13 is ensured, and the charging device 1 is made smaller and lighter, and is easy to install and use on the vehicle.

[0040] According to some embodiments of the present invention, Figure 2 and Figure 3 As shown, the heat dissipation component 12 includes a first heat dissipation plate and a second heat dissipation plate, one side surface of the first heat dissipation plate in the thickness direction is configured as a first flow channel surface, and the other side surface of the first heat dissipation plate in the thickness direction is configured as a first heat dissipation surface 121, and the heat generated by the power element 13 on the first heat dissipation surface 121 can be transferred to the first flow channel surface through the first heat dissipation surface 121; one side surface of the second heat dissipation plate in the thickness direction is configured as a second flow channel surface, and the other side surface of the second heat dissipation plate in the thickness direction is configured as a second heat dissipation surface 122, and the heat generated by the power element 13 on the second heat dissipation surface 122 can be transferred to the second flow channel surface through the second heat dissipation surface 122; wherein, the first flow channel surface and the second flow channel surface are opposite to each other and cooperate to define a cooling flow channel between each other, so that the cooling medium can flow therein and take away the heat on the first flow channel surface and the second flow channel surface, so that the first heat dissipation surface 121 and the second heat dissipation surface 122 can continuously transfer heat to the first flow channel surface and the second flow channel surface respectively, thereby effectively realizing heat dissipation.

[0041] According to some embodiments of the present invention, Figure 4As shown, a flow channel groove 123 suitable for accommodating a cooling medium is formed on the first flow channel surface. After the first flow channel surface and the second flow channel surface are matched, the second flow channel surface will be closely attached to the first flow channel surface to close the flow channel groove 123 on the first flow channel surface, forming a cooling flow channel, so that the cooling medium can flow in the cooling flow channel. The cooling medium circulates in the closed cooling flow channel and contacts the first flow channel surface and the second flow channel surface respectively to take away the heat on the first heat dissipation surface 121 and the second heat dissipation surface 122, thereby effectively achieving heat dissipation.

[0042] According to some embodiments of the utility model, a flow channel groove 123 suitable for accommodating a cooling medium is formed on the second flow channel surface. After the first flow channel surface and the second flow channel surface are matched, the first flow channel surface will be tightly attached to the second flow channel surface to close the flow channel groove 123 on the second flow channel surface to form a cooling flow channel, so that the cooling medium can flow in the cooling flow channel. The cooling medium circulates in the closed cooling flow channel and contacts the first flow channel surface and the second flow channel surface respectively to take away the heat on the first heat dissipation surface 121 and the second heat dissipation surface 122, thereby effectively achieving heat dissipation.

[0043] According to some embodiments of the utility model, a flow channel groove 123 suitable for accommodating a cooling medium is formed on the first flow channel surface and the second flow channel surface. After the first flow channel surface is matched with the second flow channel surface, the flow channel groove 123 on the first flow channel surface and the flow channel groove 123 on the second flow channel surface will be opposite to each other and matched to form a cooling flow channel, so that the cooling medium can flow in the cooling flow channel. The cooling medium circulates in the closed cooling flow channel and contacts the first flow channel surface and the second flow channel surface respectively to take away the heat on the first heat dissipation surface 121 and the second heat dissipation surface 122, thereby effectively achieving heat dissipation.

[0044] According to some embodiments of the utility model, at least a portion of the flow channel groove 123 is bent and extended, which can increase the flow path length of the cooling medium, so as to increase the contact and coverage area of ​​the cooling medium with the first flow channel surface and the second flow channel surface respectively, so that the cooling medium can more fully contact the first flow channel surface and the second flow channel surface, thereby more effectively removing heat. The bent extension portion of the flow channel groove 123 can extend along a smooth curve so that the cooling medium does not generate excessive resistance or turbulence during the flow process. At the same time, the shape and length of the bent extension portion can be set according to the heat distribution.

[0045] According to some embodiments of the present invention, Figure 4As shown, the flow channel groove 123 includes a first section 123a, a second section 123b and a third section 123c, and the first section 123a extends in a first direction so that the cooling medium can flow in the first section 123a along the first direction. The two ends of the first section 123a are respectively connected to the second section 123b and the third section 123c. The cooling medium flows between the first section 123a, the second section 123b and the third section 123c to increase the flow path length of the cooling medium and increase the heat dissipation area. The second section 123b and the third section 123c extend in the second direction, and the second direction is orthogonal to the first direction, so that the cooling medium can flow in a direction perpendicular to the first section 123a, further expanding the heat dissipation area. At least part of the second section 123b and at least part of the third section 123c bend and extend toward each other, and the bending and extension increase the flow path length of the cooling medium, thereby improving the heat dissipation efficiency, and can also guide the cooling medium to form a more uniform flow distribution to achieve uniform heat dissipation.

[0046] According to some embodiments of the present invention, Figure 1-Figure 3 As shown, the housing 11 includes a first bottom plate, a second bottom plate and a side plate 111, and a receiving cavity is defined between the first bottom plate, the second bottom plate and the side plate 111. Specifically, the first bottom plate and the second bottom plate are parallel to each other and spaced apart, and the internal space of the receiving cavity is defined between the first bottom plate and the second bottom plate, which determines the size of the receiving cavity; the side plate 111 is arranged around, one end of the side plate 111 is connected to the edge of the first bottom plate, and the other end of the side plate 111 is connected to the edge of the second bottom plate, so that the side plate 111 can play a role of sealing and reinforcement, realizing the integrity and closure of the receiving cavity, and the receiving cavity has a clear boundary and shape, which can ensure the stability and safety of the internal components therein.

[0047] According to some embodiments of the present invention, Figure 1-Figure 3 , Figure 5 and Figure 6 As shown, an inlet and an outlet connected to both ends of the cooling channel are formed on the side plate 111. The inlet is used to introduce the cooling medium into the cooling channel, and the outlet is used to discharge the cooling medium from the cooling channel to form a continuous cooling cycle. The shell 11 also includes a liquid inlet joint 111a and a liquid outlet joint 111b. The liquid inlet joint 111a is arranged on the side plate 111 and connected to the inlet; the liquid outlet joint 111b is arranged on the side plate 111 and connected to the outlet. The liquid inlet joint 111a and the liquid outlet joint 111b are external connection points of the cooling system, which are used to connect the cooling medium pipeline with the cooling channel in the shell 11. Through the liquid inlet joint 111a and the liquid outlet joint 111b, the cooling medium can be easily introduced into and discharged from the cooling channel to realize the cooling cycle.

[0048] According to some embodiments of the present invention, Figure 1-Figure 3As shown, the liquid inlet joint 111a and the liquid outlet joint 111b are respectively arranged on the adjacent or opposite side of the side plate 111, which helps to simplify the pipeline layout, reduce pipeline crossing and interference, improve the compactness of the cooling system, and ensure that the cooling medium can smoothly flow into and out of the cooling channel. The liquid inlet joint 111a and the liquid outlet joint 111b are in opposite directions, which can further reduce pipeline crossing and interference, and also help to improve the stability and reliability of the cooling system, ensuring that the cooling medium does not generate excessive resistance or turbulence during the flow process, thereby optimizing the flow characteristics and improving the heat dissipation efficiency.

[0049] According to some embodiments of the present invention, Figure 1-Figure 3 As shown, a charging connector 111c is also provided on the side plate 111, and the charging connector 111c is used to connect an external power source with the internal power element 13, allowing the external power source to provide power to the power element 13. The charging connector 111c is electrically connected to the power element 13, so that the power element 13 can obtain power from the external power source, so that the power element 13 can work continuously and stably.

[0050] The vehicle according to the present utility model is briefly described below.

[0051] The vehicle according to the utility model includes the charging device 1 in any one of the above embodiments. Since the vehicle according to the utility model includes the charging device 1 in any one of the above embodiments, the vehicle according to the utility model realizes the charging functions of efficient heat dissipation, compact integration and stable operation, thereby ensuring the safe and efficient charging of the vehicle battery pack and improving the overall performance and user experience of the vehicle.

[0052] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0053] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A charging device for a vehicle, characterized in that: include: A housing (11), wherein a receiving cavity is formed in the housing (11); A heat dissipation component (12), the heat dissipation component (12) being arranged in the accommodating cavity, the two side surfaces of the heat dissipation component (12) in the thickness direction being respectively constructed as a first heat dissipation surface (121) and a second heat dissipation surface (122), and the heat dissipation component (12) forming a cooling flow channel suitable for the circulation of a cooling medium between the first heat dissipation surface (121) and the second heat dissipation surface (122); A power element (13), wherein the power element (13) is constructed in plurality and is respectively arranged on the first heat dissipation surface (121) and the second heat dissipation surface (122).

2. The charging device according to claim 1, characterized in that: The heat dissipation component (12) comprises: A first heat dissipation plate, wherein one side surface of the first heat dissipation plate in the thickness direction is configured as a first flow channel surface, and the other side surface of the first heat dissipation plate in the thickness direction is configured as the first heat dissipation surface (121); a second heat dissipation plate, wherein one side surface of the second heat dissipation plate in the thickness direction is configured as a second flow channel surface, and the other side surface of the second heat dissipation plate in the thickness direction is configured as the second heat dissipation surface (122); The first flow channel surface and the second flow channel surface are opposite to each other and cooperate with each other to define the cooling flow channel therebetween.

3. The charging device according to claim 2, characterized in that: A flow channel groove (123) suitable for accommodating a cooling medium is formed on the first flow channel surface and / or the second flow channel surface.

4. The charging device according to claim 3, characterized in that: At least a portion of the flow channel (123) extends in a curved manner.

5. The charging device according to claim 4, characterized in that: The flow channel (123) comprises: a first section (123a), the first section (123a) extending in a first direction; A second section (123b) and a third section (123c), wherein the second section (123b) and the third section (123c) are respectively connected to two ends of the first section (123a) and extend in a second direction, wherein the second direction is orthogonal to the first direction, and at least a portion of the second section (123b) and at least a portion of the third section (123c) are bent and extended toward each other.

6. The charging device according to claim 1, characterized in that: The housing (11) comprises: A first bottom plate and a second bottom plate, wherein the first bottom plate and the second bottom plate are parallel to each other and spaced apart; A side plate (111), the side plate (111) being arranged in a surrounding manner, one end of the side plate (111) being connected to an edge of the first bottom plate, and the other end of the side plate (111) being connected to an edge of the second bottom plate; The accommodating cavity is defined between the first bottom plate, the second bottom plate and the side plate (111).

7. The charging device according to claim 6, characterized in that: An inlet and an outlet communicating with two ends of the cooling channel are formed on the side plate (111); The housing (11) further comprises: A liquid inlet connector (111a), the liquid inlet connector (111a) being arranged on the side plate (111) and being in communication with the inlet; A liquid outlet joint (111b), wherein the liquid outlet joint (111b) is arranged on the side plate (111) and is in communication with the outlet.

8. The charging device according to claim 7, characterized in that: The liquid inlet joint (111a) and the liquid outlet joint (111b) are respectively arranged on adjacent or opposite sides of the side plate (111), and the liquid inlet joint (111a) and the liquid outlet joint (111b) are oriented in opposite directions.

9. The charging device according to claim 6, characterized in that: The side plate (111) is also provided with a charging connector (111c), and the charging connector (111c) is electrically connected to the power element (13).

10. A vehicle, characterized in that: A charging device comprising any one of claims 1 to 9.

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