Wall-mounted V2G charging system

Abstract

The utility model provides a wall-mounted V2G charging system comprising the following structures: a cabinet body provided with a first accommodating cavity in which a first air channel is arranged; the power supply module is detachably connected to the cabinet body and arranged outside the first accommodating cavity, the power supply module is provided with a second air duct, and the second air duct is isolated from the first air duct; and the control module is arranged in the cabinet body and contained in the first containing cavity, and at least part of the first air channel is arranged around the control module. The control module is arranged in the cabinet body, the power supply module is arranged outside the cabinet body, the first air duct is arranged in the cabinet body, and the second air duct is arranged in the power supply module, so that the structure of the wall-mounted V2G charging system can be simplified; moreover, the power supply module is designed in a modularized manner, so that the power supply module can be assembled firstly and then installed on the cabinet body in the assembling process, and the installation difficulty is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of charging piles, and in particular to a wall-mounted V2G charging system. Background Art

[0002] V2G (Vehicle-to-Grid) charging pile is an advanced charging facility that allows electric vehicles (EVs) to interact with the power grid in a two-way manner. This means that electric vehicles can not only obtain electricity from the grid for charging, but also feed the electricity in the power battery back to the grid when the grid needs it. It is the key to the sustainable development of electric vehicles.

[0003] In the related art, a wall-mounted V2G DC charging pile generally includes a cabinet, a monitoring module, a power module and a control module. The cabinet includes a front cover and a shell, and the front cover and the shell form a receiving cavity. The monitoring module, the power module and the control module are all installed in the receiving cavity. However, both the power module and the control module need to be provided with air cooling channels for heat dissipation, and the air cooling channels of the two are required to be set independently, which makes the structure of the charging pile more complicated. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a wall-mounted V2G charging system, aiming to solve the problem of the relatively complex structure of the charging pile in the related technology.

[0005] In order to solve the above technical problems, the utility model provides a wall-mounted V2G charging system, including:

[0006] The cabinet is provided with a first accommodating cavity, wherein a first air duct is provided in the first accommodating cavity;

[0007] a power supply module, which is detachably connected to the cabinet and is disposed outside the first accommodating cavity, wherein the power supply module is provided with a second air duct, and the second air duct is isolated from the first air duct; and

[0008] The control module is arranged in the cabinet and contained in the first accommodating cavity, and the first air duct is at least partially arranged around the control module.

[0009] Optionally, the wall-mounted V2G charging system further includes a first heat sink electrically connected to the control module, the first heat sink is disposed in the cabinet and accommodated in the first accommodating cavity, and the first heat sink forms the first air duct in the first accommodating cavity.

[0010] Optionally, the power module includes:

[0011] A shell, detachably connected to the cabinet, wherein the shell is provided with a second accommodating cavity;

[0012] a power supply component, disposed in the housing and received in the second accommodation cavity, the power supply component being electrically connected to the control module; and

[0013] The second heat sink is disposed on the housing and accommodated in the second accommodating cavity. The second heat sink is electrically connected to the control module, and the second heat sink forms the second air duct in the second accommodating cavity.

[0014] Optionally, the cabinet includes a front cover and a shell, the front cover is detachably connected to the shell, and the front cover and the shell together form the first accommodating cavity; wherein the front cover and the shell are in sealed contact.

[0015] Optionally, the cabinet further includes a shielding plate, which is disposed in the shell and accommodated in the first accommodating cavity, and the shielding plate is disposed between the control module and the front cover.

[0016] Optionally, the front cover is provided with a light-transmitting plate, a light source is provided on a side of the shielding plate close to the front cover, the light source is electrically connected to the control module, and the light emitted by the light source is directed toward the light-transmitting plate.

[0017] Optionally, the wall-mounted V2G charging system further includes a monitoring module, which is detachably connected to the cabinet and can be accommodated in the first accommodating cavity, and the monitoring module is electrically connected to the power module and the control module.

[0018] Optionally, the monitoring module is plugged and assembled in the first accommodating cavity, the cabinet is provided with an adapter plate accommodated in the first accommodating cavity, the adapter plate is plugged and connected with the monitoring module, and the adapter plate is electrically connected to the control module and the monitoring module.

[0019] Optionally, the first accommodating cavity is formed with a socket on the surface of the cabinet, and the monitoring module is plug-connected with the first accommodating cavity through the socket;

[0020] The cabinet body is detachably connected with a cover plate, and the cover plate covers the socket.

[0021] Optionally, the wall-mounted V2G charging system further includes a hanging plate, which is snap-fitted and connected to the cabinet.

[0022] Compared with the related art, the wall-mounted V2G charging system in the utility model has the following beneficial effects: since the control module is arranged in the cabinet, the power module is arranged outside the cabinet, the first air duct is arranged in the cabinet, and the second air duct is arranged in the power module, the structure of the wall-mounted V2G charging system can be simplified; moreover, the power module is modularly designed, and the power module can be assembled first and then installed on the cabinet during the assembly process, reducing the difficulty of installation. In addition, when the power module is damaged and needs to be repaired, the power module can be directly removed from the cabinet, thereby facilitating the inspection and maintenance of the wall-mounted V2G charging system and helping to increase the service life of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or related technologies, the drawings required for use in the embodiments or related technical descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For those skilled in the art, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 It is a schematic diagram of the overall structure of the wall-mounted V2G charging system provided by an embodiment of the utility model;

[0025] Figure 2 is an exploded diagram of a wall-mounted V2G charging system provided by an embodiment of the utility model;

[0026] Figure 3 A schematic diagram of a partial structure of a wall-mounted V2G charging system provided in an embodiment of the present utility model.

[0027] In the accompanying drawings, the various reference numerals represent: 1. cabinet; 11. front cover; 111. card reading area; 12. shell; 121. first accommodating cavity; 122. socket; 13. shielding plate; 131. ventilation hole; 2. power module; 21. shell; 22. second heat sink; 3. control module; 4. first heat sink; 5. light-transmitting plate; 6. light source; 7. monitoring module; 8. adapter plate; 9. cover plate; 10. hanging plate; 20. sealing rubber ring; 30. touch screen; 40. input interface assembly; 50. output interface assembly; 60. pre-charge boost board; 70. DC contactor; 80. emergency stop switch. DETAILED DESCRIPTION

[0028] The embodiments of the utility model 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 intended to be used to explain the utility model, and cannot be understood as limiting the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the utility model.

[0029] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "circumferential", "radial" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "multiple" and "several" is two or more, unless otherwise clearly and specifically defined.

[0031] Example:

[0032] See also Figure 1 , Figure 2 and Figure 3 The embodiment of the utility model provides a wall-mounted V2G charging system, including a cabinet 1, a power module 2 and a control module 3. The cabinet 1 is provided with a first accommodating cavity 121, and a first air duct is provided in the first accommodating cavity 121; the power module 2 is detachably connected to the cabinet 1 and arranged outside the first accommodating cavity 121, and the power module 2 is provided with a second air duct, and the second air duct is isolated from the first air duct; the control module 3 is arranged in the cabinet 1 and accommodated in the first accommodating cavity 121, and the first air duct is arranged around the control module 3 at least partially.

[0033] Since the control module 3 is arranged in the cabinet 1, the power module 2 is arranged outside the cabinet 1, and the first air duct is arranged in the cabinet 1, and the second air duct is arranged in the power module 2, the structure of the wall-mounted V2G charging system can be simplified; moreover, the power module 2 is modularly designed, and the power module 2 can be assembled first and then installed on the cabinet 1 during the assembly process, reducing the difficulty of installation. In addition, when the power module 2 is damaged and needs to be repaired, the power module 2 can be directly removed from the cabinet 1, thereby facilitating the inspection and maintenance of the wall-mounted V2G charging system and helping to increase the service life of the product.

[0034] It should be noted that the power module 2 integrates a charging component and a back-to-grid component. The charging component is used to charge the external battery, and the back-to-grid component is used to transmit the power of the external battery back to the external power supply, so that the wall-mounted V2G charging system can not only charge electric vehicles, but also transmit electricity to the power grid when necessary, thus forming a V2G charging pile.

[0035] See also Figure 2 and Figure 3 , ( Figure 3 The arrow direction in the figure is the airflow direction) The wall-mounted V2G charging system also includes a first heat sink 4 electrically connected to the control module 3, the first heat sink 4 is arranged in the cabinet 1 and accommodated in the first accommodating cavity 121, and the first heat sink 4 forms a first air duct in the first accommodating cavity 121. The first heat sink 4 can be a cooling fan, and a plurality of first heat sinks 4 are provided, and the plurality of first heat sinks 4 are sequentially spaced in the first accommodating cavity 121, and the plurality of first heat sinks 4 form a first air duct with internal circulation in the first accommodating cavity 121, so that the heat generated by the control module 3 when working is conducted to the side wall of the cabinet 1 through the airflow, and then the heat in the cabinet 1 is dissipated.

[0036] See also Figure 1 and Figure 2 The power module 2 includes a housing 21, a power component and a second heat sink 22. The housing 21 is detachably connected to the cabinet 1, wherein the housing 21 is detachably connected to the cabinet 1 by screws; the housing 21 is provided with a second accommodating cavity, the power component is provided in the housing 21 and accommodated in the second accommodating cavity, and the second heat sink 22 is provided in the housing 21 and accommodated in the second accommodating cavity, so that during the installation process of the power module 2, the power component and the second heat sink 22 are first installed in the housing 21, and then the power module 2 is installed on the cabinet 1 as a whole to achieve modular assembly. The power component is electrically connected to the control module 3, the power component includes a charging component and a return network component, the second heat sink 22 is electrically connected to the control module 3, and the second heat sink 22 forms a second air duct in the second accommodating cavity; wherein the second heat sink 22 can be a cooling fan, and a plurality of second heat sinks 22 are distributed in sequence in the second accommodating cavity to form a second air duct.

[0037] According to actual needs, the second heat sink 22 can be arranged on the opposite side walls of the outer shell 21, wherein the second heat sink 22 on one side wall is an air inlet fan, and the second heat sink 22 on the other side wall is an air outlet fan, so that the second air duct is an external circulation air duct, and the heat generated by the power supply component is conducted to the outside through airflow.

[0038] It should be noted that the cabinet 1 itself has good sealing performance, and the power supply assembly is detachably connected to the outside of the cabinet 1, and the power supply assembly itself also has good sealing performance, so that the power supply assembly and the cabinet 1 have good sealing performance after assembly. For example, after the power supply assembly and the cabinet 1 are assembled, the wall-mounted V2G charging system can achieve an IP65 protection level.

[0039] See also Figure 2 and Figure 3 The cabinet 1 includes a front cover 11 and a shell 12. The front cover 11 is detachably connected to the shell 12, and the front cover 11 and the shell 12 enclose a first accommodating chamber 121. The front cover 11 and the shell 12 are in sealed contact to ensure that the cabinet 1 has good sealing performance. The front cover 11 and the shell 12 are detachably connected to facilitate subsequent maintenance. According to actual needs, the front cover 11 and the shell 12 are detachably connected by screws, and a sealing rubber ring 20 is provided between the front cover 11 and the shell 12 to improve the sealing performance between the front cover 11 and the shell 12.

[0040] See also Figure 2 The cabinet 1 further includes a shielding plate 13, which is disposed in the housing 12 and accommodated in the first accommodating cavity 121, and is disposed between the control module 3 and the front cover 11. The shielding plate 13 can prevent external signals from interfering with the control module 3, thereby improving the stability of the wall-mounted V2G charging system. The shielding plate 13 is provided with a ventilation hole 131, and the first air duct is connected to the ventilation hole 131.

[0041] See also Figure 1 and Figure 2 The front cover 11 is provided with a light-transmitting plate 5, and a light source 6 is provided on one side of the shielding plate 13 close to the front cover 11. The light source 6 is electrically connected to the control module 3, and the light emitted by the light source 6 is directed toward the light-transmitting plate 5. Specifically, the light source 6 can be an LED lamp, and the light emitted by the light source 6 can be transmitted from the light-transmitting plate 5, so that the wall-mounted V2G charging system has a light display area, and the light display area can be used to display various working states of the wall-mounted V2G charging system, such as being in a charging state, a recharging state, an alarm state, etc.

[0042] See also Figure 1 and Figure 2The front cover 11 is also provided with a touch screen 30, which is electrically connected to the control module 3 and is arranged in the middle of the light-transmitting plate 5, wherein the light-transmitting plate 5 may be annular. The front cover 11 is also provided with a card reader area 111, so that the wall-mounted V2G charging system has a card reading function.

[0043] See also Figure 1 and Figure 2 The wall-mounted V2G charging system also includes a monitoring module 7, which is detachably connected to the cabinet 1 and can be accommodated in the first accommodating cavity 121, and the monitoring module 7 is electrically connected to the power module 2 and the control module 3. The monitoring module 7 can be installed on the cabinet 1 as an independent component, and modular assembly can be further realized, thereby further simplifying the structure of the wall-mounted V2G charging system. The monitoring module 7 integrates functions such as a system monitoring board, a billing unit, an Internet of Things communication module, and a communication protocol converter. There are several communication interfaces on the monitoring module 7, and the monitoring device can be connected to the monitoring module 7 through the communication interface.

[0044] See also Figure 2 The monitoring module 7 is plugged and assembled in the first accommodating cavity 121. The cabinet 1 is provided with an adapter plate 8 accommodated in the first accommodating cavity 121. The adapter plate 8 is plugged and connected with the monitoring module 7, and the adapter plate 8 is electrically connected to the control module 3 and the monitoring module 7. The monitoring module 7 and the adapter plate 8 are plugged and connected to facilitate the plugging and unplugging of the monitoring module 7, thereby facilitating subsequent maintenance.

[0045] See also Figure 2 The first accommodating cavity 121 is formed with a socket 122 on the surface of the cabinet 1, and the monitoring module 7 is plugged and connected with the first accommodating cavity 121 through the socket 122; the cabinet 1 is detachably connected with a cover plate 9, and the cover plate 9 covers the socket 122, thereby achieving the sealing of the cabinet 1 and ensuring the overall sealing of the wall-mounted V2G charging system. Among them, the socket 122 and the adapter plate 8 are respectively arranged on the opposite side walls of the first accommodating cavity 121.

[0046] See also Figure 2 The wall-mounted V2G charging system also includes a hanging plate 10, which is snap-fitted with the cabinet 1. When the wall-mounted V2G charging system is installed on the wall, the hanging plate 10 is first installed on the wall using expansion bolts, and then the cabinet 1 is snap-fitted to the hanging plate 10 using buckles to complete the wall-mounted installation of the wall-mounted V2G charging system.

[0047] According to actual needs, a side of the shell 12 away from the front cover 11 is partially recessed, and the power module 2 is detachably connected to the recessed area of ​​the shell 12. After the power module 2 is connected to the shell 12, the side of the power module 2 away from the shell 12 is flush with the side of the shell 12 away from the front cover 11, which is conducive to connecting the cabinet 1 to the hanging plate 10.

[0048] It should be noted that the side of the shell 12 away from the front cover 11 is the rear side, and the other side is the front side; the upper end of the rear side of the shell 12 is detachably connected to the power module 2, and the lower end is detachably connected to the monitoring module 7; the front side of the shell 12 is provided with a control module 3.

[0049] See also Figure 1 , Figure 2 and Figure 3 In some embodiments, the lower end of the housing 12 is also provided with an input interface component 40 and an output interface component 50, both of which are electrically connected to the power supply component and the control module 3; the outer side of the housing 12 is also provided with an emergency stop switch 80, which is electrically connected to the control module 3. The wall-mounted V2G charging system also includes a pre-charge boost board 60 and a DC contactor 70, the control module 3 is arranged at the upper end of the front side of the housing 12, the pre-charge boost board 60 and the DC contactor 70 are arranged at the lower end of the front side of the housing 12, and the pre-charge boost board 60 and the DC contactor 70 are arranged above the monitoring module 7. The pre-charge boost board 60 is electrically connected to the main circuit board and the input interface component 40, and the DC contactor 70 is electrically connected to the main circuit board and the output interface component 50.

[0050] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A wall-mounted V2G charging system, characterized in that: include: The cabinet is provided with a first accommodating cavity, wherein a first air duct is provided in the first accommodating cavity; a power supply module, which is detachably connected to the cabinet and is disposed outside the first accommodating cavity, wherein the power supply module is provided with a second air duct, and the second air duct is isolated from the first air duct; and The control module is arranged in the cabinet and contained in the first accommodating cavity, and the first air duct is at least partially arranged around the control module.

2. The wall-mounted V2G charging system according to claim 1, characterized in that: The wall-mounted V2G charging system also includes a first heat sink electrically connected to the control module, the first heat sink is disposed in the cabinet and accommodated in the first accommodating cavity, and the first heat sink forms the first air duct in the first accommodating cavity.

3. The wall-mounted V2G charging system according to claim 1, characterized in that: The power module comprises: A shell, detachably connected to the cabinet, wherein the shell is provided with a second accommodating cavity; a power supply component, disposed in the housing and received in the second accommodation cavity, the power supply component being electrically connected to the control module; and The second heat sink is disposed on the housing and accommodated in the second accommodating cavity. The second heat sink is electrically connected to the control module, and the second heat sink forms the second air duct in the second accommodating cavity.

4. The wall-mounted V2G charging system according to claim 1, characterized in that: The cabinet includes a front cover and a shell, wherein the front cover is detachably connected to the shell, and the front cover and the shell together form the first accommodating cavity; wherein the front cover and the shell are in sealed contact.

5. The wall-mounted V2G charging system according to claim 4, characterized in that: The cabinet further includes a shielding plate, which is disposed on the shell and accommodated in the first accommodating cavity, and is disposed between the control module and the front cover.

6. The wall-mounted V2G charging system according to claim 5, characterized in that: The front cover is provided with a light-transmitting plate, and a light source is provided on a side of the shielding plate close to the front cover. The light source is electrically connected to the control module, and the light emitted by the light source is directed toward the light-transmitting plate.

7. The wall-mounted V2G charging system according to claim 1, characterized in that: The wall-mounted V2G charging system also includes a monitoring module, which is detachably connected to the cabinet and can be accommodated in the first accommodating cavity, and the monitoring module is electrically connected to the power module and the control module.

8. The wall-mounted V2G charging system according to claim 7, characterized in that: The monitoring module is plugged and assembled in the first accommodating cavity. The cabinet is provided with an adapter plate accommodated in the first accommodating cavity. The adapter plate is plugged and connected with the monitoring module, and the adapter plate is electrically connected to the control module and the monitoring module.

9. The wall-mounted V2G charging system according to claim 7, characterized in that: The first accommodating cavity is formed with a socket on the surface of the cabinet, and the monitoring module is plugged and connected with the first accommodating cavity through the socket; The cabinet body is detachably connected with a cover plate, and the cover plate covers the socket.

10. The wall-mounted V2G charging system according to claim 1, characterized in that: The wall-mounted V2G charging system also includes a hanging plate, which is snap-fitted and connected to the cabinet.

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