Movable electric vehicle alternating current charging device

Abstract

The utility model belongs to the technical field of power electronics, and discloses a movable electric automobile alternating current charging device which comprises a charging box and an electricity taking frame. The electricity taking frame comprises a support body and a plurality of supporting columns installed at the bottom of the support body. The charging box is embedded in the mounting space, and a male end connector is mounted on one side of the bracket main body; the interior of the charging box comprises two partition spaces, a stand column is arranged in the first partition space, and a charging wire is wound on the stand column; the second partition space internally comprises two cavities, a female end connector is installed in the first cavity, and a control unit is installed in the second cavity; the female end connector is matched with the male end connector; the charging line and the female end connector are electrically connected with the control unit. The charging box part can be moved and carried and cannot be occupied by non-charging parking.

Description

Technical Field

[0001] The utility model belongs to the technical field of power electronics, and particularly relates to a movable AC charging device for electric vehicles. Background Art

[0002] The existing AC charging device for electric vehicles is generally called an AC charging pile for vehicles. It is a kind of power electronic equipment that provides power input for the power battery of electric vehicles. Its function is similar to that of a gas pump in a gas station. According to different power supply methods, the vehicle charging device can be divided into an AC charging pile and a DC charging pile. The AC charging pile connects the AC power of the power grid to the vehicle end in a fully controlled manner, and then the vehicle charger converts the AC power into DC power to charge the power battery of the vehicle. Since the AC charging pile provides AC power to the vehicle charger, the maximum power for charging the power battery depends on the maximum output power of the vehicle charger. The maximum output power of the AC charging pile is designed according to the power input demand of the vehicle charger. The existing AC charging device is an integrated machine in terms of structural design. The power input end is a wiring busbar. The power input end, the management control module and the power supply part of the interactive display module are all designed on the same motherboard. The display screen and the interactive operation (such as the card reader) part of the interactive display module are a physical unit component. The power output end is a 3-6 meter charging cable. The end of the charging cable is connected to the wiring bar of the motherboard, and the other end is a charging gun head. The motherboard, display screen, card reader, etc. are all covered in the body, and the charging gun cable is hung outside the body.

[0003] Existing AC charging piles are all fixed to the ground or wall. Through cable trenches or cable bridges, the power energy of the power grid is introduced into the wiring busbar of the charging pile as current input. The input power is 380V (three-phase) or 220V (single-phase) AC, and the corresponding power output is also 380V (three-phase) or 220V (single-phase) AC. The maximum output current is generally 32A, and the corresponding maximum output power of three-phase AC and single-phase AC is 7KW and 20KW.

[0004] The existing AC charging piles have the following main problems in application:

[0005] 1. It is easily occupied by non-charging parking, resulting in low equipment utilization;

[0006] 2. The service coverage is limited, and can only provide charging for vehicles close to the charging piles;

[0007] 3. The relocation cost is high. Since it is a fixed installation method, both installation and demolition require certain construction;

[0008] 4. The charging pile is fixed together with the parking space and cannot be shared separately;

[0009] 5. The charging gun cable is hung outside the charging pile and is easy to be damaged or lost. Utility Model Content

[0010] The purpose of the utility model is to provide a mobile electric vehicle AC charging device to solve the problems existing in the above-mentioned prior art.

[0011] To achieve the above-mentioned purpose, the utility model provides a portable electric vehicle AC charging device, comprising: a charging box and a power rack;

[0012] The power rack includes a bracket body and a plurality of support columns installed at the bottom of the bracket body; an installation space is provided above the bracket body, the charging box is embedded in the installation space, and a male connector is installed on one side of the bracket body;

[0013] A first handle is movably installed on the top of the charging box, and the interior of the charging box includes a longitudinal partition, which is fixedly installed inside the charging box to form two partition spaces inside the charging box, and a column is provided in the first partition space, and a charging cable is wound around the column; the second partition space includes a transverse partition, which is fixedly installed inside the second partition space to form two cavities inside the second partition space, a female connector is installed in the first cavity, and a control unit is installed in the second cavity; the female connector is matched with the male connector; the charging cable and the female connector are both electrically connected to the control unit.

[0014] Optionally, the control unit includes a management control module and an interactive display module connected in sequence.

[0015] Optionally, both ends of the top of the charging box are equipped with rotating shafts, and each of the rotating shafts is equipped with a limiting plate, and both ends of the first handle are rotatably connected to the corresponding rotating shafts.

[0016] Optionally, limit card slots are provided on both sides of the charging box, and the limit card slots are arranged in cooperation with the limit plates.

[0017] Optionally, a cover plate is movably installed on the top of the first partition space.

[0018] Optionally, a handle placement groove is provided on the cover plate, and a second handle is movably arranged in the handle placement groove.

[0019] Optionally, a connector installation opening is opened on one side of the first cavity.

[0020] Optionally, it also includes a push-to-pop-up device, which includes a pressing plate and a push-type spring lock that are arranged in conjunction with each other, the pressing plate is movably installed on one side of the first cavity, and the push-type spring lock is installed on the bottom edge of the connector installation port.

[0021] The technical effects of the utility model are:

[0022] (1) The charging box of the charging device of the utility model can be moved and carried, and will not be occupied by non-charging parking;

[0023] (2) The charging service of the utility model has a wide coverage: as long as there is a power rack near the vehicle, the vehicle can be charged by placing the charging box;

[0024] (3) The main module of the utility model is in the charging box and does not need to be installed, and the installation and removal cost of the power rack is low;

[0025] (4) The charging box of the utility model can be shared and used completely independently, and is economical to use;

[0026] (5) The charging gun cable of the utility model is stored in the charging box when not in use, and is not easily damaged or lost. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0028] The drawings constituting a part of the present application are used to provide a further understanding of the present application. The illustrative embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0029] Figure 1 It is a schematic diagram of the overall structure in an embodiment of the utility model;

[0030] Figure 2 This is a schematic diagram of the external structure of the charging box in an embodiment of the utility model;

[0031] Figure 3 This is a schematic diagram of the main structure of the bracket in the embodiment of the utility model;

[0032] Figure 4 This is a schematic diagram of the support column structure in an embodiment of the utility model;

[0033] Figure 5 This is a schematic diagram of the structure of each compartment of the charging box in the embodiment of the utility model;

[0034] Figure 6 This is a schematic diagram of the structure of the power supply socket in the embodiment of the utility model;

[0035] Figure 7 This is a schematic diagram of the internal structure of the C compartment in the embodiment of the utility model;

[0036] Explanation of the numbers: 1. Charging box; 2. Power supply rack; 3. First handle; 4. Through hole; 5. Second handle; 6. Power supply socket; 7. Limiting slot; 8. Rotating shaft; 9. Push-type spring lock; 10. Pressing plate; 11. Lock; 12. Compartment A; 13. Compartment B; 14. Compartment C; 15. Cover plate; 16. Column. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0038] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0039] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0040] The words “include,” “including,” “have,” “contain,” etc. used in this document are open-ended terms, meaning including but not limited to.

[0041] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this article includes any and all combinations of one or more related listed items.

[0042] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0043] Embodiment 1

[0044] like Figure 1-Figure 7 As shown, this embodiment provides a portable electric vehicle AC charging device, including:

[0045] Charging box 1 and power rack 2;

[0046] The power rack 2 includes a bracket body and a plurality of support columns installed at the bottom of the bracket body; an installation space is provided above the bracket body, the charging box 1 is embedded in the installation space, and a male connector is installed on one side of the bracket body;

[0047] The charging box 1 is provided with a first handle 3 movably mounted on the top thereof, the charging box 1 includes a longitudinal partition therein, the longitudinal partition is fixedly mounted therein, so that two partition spaces are formed therein, the first partition space is provided with a column 16, a charging cable is wound around the column 16; the second partition space includes a transverse partition, the transverse partition is fixedly mounted therein, so that two cavities are formed therein, a female connector is mounted in the first cavity, and a control unit is mounted in the second cavity; the female connector is matched with the male connector; the charging cable and the female connector are both electrically connected to the control unit.

[0048] It can be implemented that the control unit includes a management control module and an interactive display module which are connected in sequence.

[0049] It can be implemented that the two ends of the top of the charging box 1 are both equipped with a rotating shaft 8, and each of the rotating shafts 8 is equipped with a limiting plate, and the two ends of the first handle 3 are rotatably connected to the corresponding rotating shaft 8; the limiting plate is a protruding plate;

[0050] It is feasible that both sides of the charging box 1 are provided with limit card slots 7, and the limit card slots 7 are arranged in cooperation with the limit plate.

[0051] It is feasible that a cover plate 15 is movably installed on the top of the first partition space.

[0052] It is feasible that a handle placement groove is provided on the cover plate 15, and a second handle 5 is movably provided in the handle placement groove.

[0053] It is feasible that a connector installation opening is provided on one side of the first cavity.

[0054] It can be implemented to also include a push-to-pop-up device, which includes a pressing plate 10 and a push-type spring lock 9 that are arranged in conjunction with each other, the pressing plate 10 is movably installed on one side of the first cavity, and the push-type spring lock 9 is installed on the bottom edge of the connector installation port.

[0055] The purpose of this embodiment is to provide an electric vehicle AC charging device based on a detachable power input terminal and a structural design of placing different functional modules in partitions. The power connection method of the detachable power input terminal makes the charging device no longer fixed in a certain position like the existing charging pile, but can be moved and placed as needed. The charging device will not be occupied by non-charging parking. The service range can cover the entire parking lot to the maximum extent, and the maximum sharing and public use can be achieved. The device is easy to install and disassemble, and the relocation cost is low. The charging device designed according to the functional zoning structure, its power output end, mainly the charging gun line, is set in a separate space, not hung outside the host, can be better protected and not easily damaged.

[0056] A mobile AC charging device for electric vehicles, whose electrical system structure design principle is the same as that of existing AC charging piles, consists of several parts such as a management control module, an interactive display module, a power input terminal and a power output terminal. The input terminal is connected to the power grid, and the output terminal is connected to the vehicle's on-board charger.

[0057] In terms of structural design, the movable AC charging device consists of two parts: a charging box 1 and a power rack 2. A detachable power connection method is adopted to separate the male and female ends of the connector at the power input end, and the male end of the connector is placed on the power rack 2, and other functional modules including the female end of the connector are placed in the charging box 1. The charging box 1 is divided into three areas, among which the A compartment 12 is the female end of the connector at the power input end; the B compartment 13 is the main board, and the power supply parts of the management control module and the interactive display module are designed on the same main board. The display screen and the interactive operation (such as the card reader) part of the interactive display module are a physical unit component, which is connected to the main board with a signal line; the C compartment 14 is the power output end, that is, the charging gun line, the length of the charging line is 3-6 meters, the end of the charging line is connected to the terminal block of the mainboard, and the other end is the charging gun head. The structural design of the movable AC charging device with a detachable power connection method can be seen in the attached figure.

[0058] The power rack 2 of the movable electric vehicle AC charging device is placed near the parking space. A cable slot is reserved in the power rack 2, and the power cable of the power grid is connected to the male end of the connector of the power input end of the power rack 2. The input power is 380V (three-phase) or 220V (single-phase) AC, with a maximum current of 32A.

[0059] The charging box 1 of the movable electric vehicle AC charging device is a device that can be easily moved and placed in a designated location when not in use. When in use, the charging box 1 is placed on the power rack 2, and the male end of the connector at the power input end of the power rack 2 is connected to the corresponding female end in the charging box 1. After the grid side supplies power, take out the charging gun line in the C compartment 14 of the charging box 1, and insert the charging gun into the corresponding charging seat at the vehicle end to charge the vehicle. When the maximum current of 380V (three-phase) or 220V (single-phase) AC is 32A, the corresponding maximum output power is 7KW and 20KW.

[0060] The charging box 1 of the movable AC charging device for electric vehicles is the movable part, and the power rack 2 is the fixed part connected to the power grid. The charging box 1 and the power rack 2 are deployed in a many-to-many manner and can be used interchangeably. The number and installation location of the power rack 2 depend on the site conditions, and the number of charging boxes 1 depends on the user's needs and power capacity. The charging box 1 does not need to be fixedly installed. The charging box 1 can be transported manually or by robot. Different transportation and placement methods use corresponding connector technology solutions.

[0061] The advantages of the mobile electric vehicle AC charging device of this embodiment are: (1) the charging box 1 of the charging device can be moved and carried, and will not be occupied by non-charging parking; (2) the charging service covers a wide range: as long as there is a power rack 2 near the vehicle, the charging box 1 can be placed on it to charge the vehicle; (3) the main modules are in the charging box 1 and do not need to be installed, and the installation and removal costs of the power rack 2 are low; (4) the charging box 1 can be completely independent and shared, and the economical use is significant; (5) the charging gun line is put into the charging box 1 when not in use, and is not easily damaged or lost.

[0062] The present embodiment provides an electric vehicle AC charging device based on a power connection method with a detachable power input terminal and a structural design for placing different functional modules in partitions. The power rack 2 and the supporting columns are combined and fixed near the parking position.

[0063] The charging box 1 has a second handle 5 that can be erected or laid flat. The box body structure of the charging box 1 is designed as follows: Figure 5As shown, there are 3 spaces in total. The C warehouse 14 in the figure is the largest space, where the charging gun line is placed. The length of the charging line is 6 meters, which can cover across two parking spaces. On the box where the charging gun line is placed is a flip cover that can be fully opened. Opening the cover can take out the charging gun line wrapped around the column and insert it into the charging port of the vehicle. After charging is completed, the charging gun line is retracted into the box and then covered with the cover. The space adjacent to the C warehouse 14 is divided into two spaces, upper and lower, from top to bottom, A warehouse and B warehouse; B warehouse 13 is used to place the main board, which includes the management and control module and interactive display module of AC charging, etc. The main board can be selected with a technical specification of 7KW or 20KW. A warehouse 12 is used to place the female end of the connector at the power input end. A single-hole socket is selected here. This socket supports larger current connection and has an anti-electric shock safety design. The male end of the corresponding connector is derived from the lower end of the power rack 2, which is the corresponding single-hole plug. The structural design of this embodiment selects a connector that is easy to manually plug and unplug the current input end.

[0064] The above is only a preferred specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A portable AC charging device for electric vehicles, characterized in that: include: A charging box (1) and a power supply rack (2); The power supply rack (2) comprises a bracket body and a plurality of support columns installed at the bottom of the bracket body; an installation space is provided above the bracket body, the charging box (1) is embedded in the installation space, and a male connector is installed on one side of the bracket body; The charging box (1) is provided with a first handle (3) movably mounted on the top, and the charging box (1) includes a longitudinal partition inside, and the longitudinal partition is fixedly mounted inside the charging box (1) so that two partition spaces are formed inside the charging box (1), and a column (16) is arranged inside the first partition space, and a charging cable is wound around the column (16); the second partition space includes a transverse partition, and the transverse partition is fixedly mounted inside the second partition space so that two cavities are formed inside the second partition space, and a female connector is installed in the first cavity, and a control unit is installed in the second cavity; the female connector is arranged in cooperation with the male connector; the charging cable and the female connector are both electrically connected to the control unit; a connector installation opening is provided on one side of the first cavity.

2. A portable AC charging device for electric vehicles according to claim 1, characterized in that: The control unit includes a management control module and an interactive display module which are connected in sequence.

3. A portable AC charging device for electric vehicles according to claim 1, characterized in that: Both ends of the top of the charging box (1) are equipped with rotating shafts (8), and each rotating shaft (8) is equipped with a limit plate, and both ends of the first handle (3) are rotatably connected to the corresponding rotating shafts (8).

4. A portable AC charging device for electric vehicles according to claim 3, characterized in that: Limiting slots (7) are provided on both sides of the charging box (1), and the limiting slots (7) are arranged in cooperation with the limiting plates.

5. The mobile AC charging device for electric vehicles according to claim 1, characterized in that: A cover plate (15) is movably installed on the top of the first partition space.

6. A portable AC charging device for electric vehicles according to claim 5, characterized in that: The cover plate (15) is provided with a handle placement groove, in which a second handle (5) is movably arranged.

7. The mobile AC charging device for electric vehicles according to claim 1, characterized in that: It also includes a push-to-pop-up device, which includes a push plate (10) and a push-type spring lock (9) that are arranged in a coordinated manner. The push plate (10) is movably installed on one side of the first cavity, and the push-type spring lock (9) is installed on the bottom edge of the connector installation port.

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