Compact charging pile

Abstract

The utility model discloses a compact charging pile which comprises a cabinet body, the cabinet body is provided with a first opening in the front-back direction, a cavity is defined by the cabinet body, and the cavity sequentially comprises a direct current output cabin, a power cabin and a control cabin from top to bottom. And a first mounting plate is fixed in the direct current output cabin, and a direct current output component is fixed on the first mounting plate. A second mounting plate is fixed in the power cabin, the second mounting plate divides the power cabin into a device cavity and a power module cavity in the front-back direction, the device cavity is located on the side close to the first opening, a first electrical device assembly fixed to the second mounting plate is arranged in the device cavity, and a plurality of power modules are arranged in the power module cavity. And a third mounting plate is fixed in the control cabin, and a second electrical device assembly is mounted on the third mounting plate. All parts of the charging pile are compact in structure, space is saved, and installation and maintenance are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile charging piles, in particular to a compact charging pile. Background Art

[0002] With the rise of new energy vehicles, the number of new energy vehicle users has increased. New energy vehicles rely on electricity to last, and need to be charged in time when the battery power is low, so many places have built charging piles for new energy vehicles. Charging piles are installed in parking lots or charging stations. The main components include cabinets and power modules stacked in the cabinets. Operators can adjust the number of power modules according to different voltage levels.

[0003] In order to install more charging piles in limited places, the area occupied by the charging piles is required. Without affecting the charging effect and safety of the charging piles, the land area needs to be as small as possible to arrange more charging piles. Therefore, the distribution of various functional areas in the charging pile is particularly important to meet the demand for small space for the charging piles and facilitate installation and maintenance. Utility Model Content

[0004] In order to overcome the above-mentioned shortcomings, the purpose of the utility model is to provide a compact charging pile with compact components, which saves space and is easy to install and maintain.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is: a compact charging pile, including a cabinet, the cabinet having a first opening in the front-to-back direction, the cabinet defining a chamber, the chamber including a DC output compartment, a power compartment and a control compartment in sequence from top to bottom;

[0006] A first mounting plate is fixed in the DC output compartment, and DC output components are fixed on the first mounting plate;

[0007] A second mounting plate is fixed in the power compartment, and the second mounting plate divides the power compartment into a device cavity and a power module cavity in the front-to-back direction. The device cavity is located on a side close to the first opening. A first electrical device assembly fixed on the second mounting plate is arranged in the device cavity, and a plurality of power modules are arranged in the power module cavity.

[0008] A third mounting plate is fixed in the control cabin, and a second electrical device assembly is mounted on the third mounting plate.

[0009] The beneficial effect of the utility model is that the cavity is divided in the up and down directions, and the space of the cabinet in the up and down directions is fully utilized. Different cabins are provided with mounting plates, and the mounting plates form a split structure in the up and down directions, which realizes the full utilization of the space in the charging pile cabinet, thereby reducing the volume of the charging pile.

[0010] Furthermore, the second mounting plate includes a mounting surface facing the first opening, and a plurality of first lead frames are fixed on the mounting surface, and the first lead frames divide the mounting surface into a plurality of mounting areas, and the first electrical device assembly includes a control unit, a switching power supply, an electricity meter, wiring terminals and an output loop unit fixed in different mounting areas.

[0011] The first guide frame is used to divide the installation surface into areas so that various components do not interfere with each other during fixed installation.

[0012] Furthermore, the cables of the first electrical device assembly are routed and arranged through the first wire rack, and the cables in the charging pile are then routed neatly, making maintenance easier.

[0013] Furthermore, the second electrical device assembly is fixed on a side of the third mounting plate facing the first opening, the second electrical device assembly is connected to an external device, and the second electrical device assembly includes a contactor, a main controller, and a lightning protector. The second electrical device assembly and the first electrical device assembly are both fixed toward the first opening, and the first electrical device assembly and the second electrical device assembly can be repaired from the first opening.

[0014] Furthermore, a second lead frame located at the side and lower end of the second electrical device assembly is also fixed on the third mounting plate, and the cables of the second electrical device assembly are routed and arranged through the second lead frame.

[0015] Furthermore, the cabinet is provided with charging gun seats corresponding to the positions of the control cabin on two side panels in the left and right directions, respectively, and the DC output components are arranged corresponding to the charging gun seats.

[0016] Furthermore, the cabinet has a second opening corresponding to the power module cavity on at least one of the two side panels in the left and right directions, and the power module enters and exits the power module cavity from the second opening. The cabinet is hinged with a second door panel that can cover the second opening. The power module is installed from the second opening, and the second door panel is opened to install and replace the power module.

[0017] Furthermore, a fixing frame is fixed in the power module cavity, and the power module can slide on the fixing frame in the left-right direction and is detachably connected to the fixing frame, and a plurality of the power modules are distributed in an array. The fixing frame is used to carry the power module, and the power module is installed in a drawer-type manner. Since the fixing frame and the power module are detachably connected, the power module can be quickly replaced and installed.

[0018] Furthermore, the fixing frame includes four columns extending in the up-down direction, and a plurality of partitions spaced apart in the up-down direction are fixed on the columns, and the power module can slide along the partitions and be fixedly connected to the slide plate.

[0019] Furthermore, the cabinet is hinged with a first door panel that can cover the first opening, and an operation panel is fixed on the first door panel. When the first door panel is opened, all components can be repaired and installed. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of the utility model;

[0021] Figure 2 A cross-sectional view of an embodiment of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the cabinet in the embodiment of the utility model;

[0023] Figure 4 It is a schematic diagram of the three-dimensional structure of an embodiment of the utility model from another angle.

[0024] In the figure:

[0025] 1. Cabinet; 11. DC output compartment; 12. Power compartment; 121. Device cavity; 122. Power module cavity; 13. Control compartment;

[0026] 2. The first mounting plate;

[0027] 3. DC output components; 31. Charging gun holder;

[0028] 4. Second mounting plate; 41. First lead frame;

[0029] 5. a first electrical device assembly;

[0030] 6. third mounting plate; 61. second lead frame;

[0031] 7. A second electrical device assembly;

[0032] 81. first door panel; 82. second door panel;

[0033] 9. Fixed frame; 91. Column; 92. Partition plate; 93. Limit plate;

[0034] 10. Power module. DETAILED DESCRIPTION

[0035] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0036] Example

[0037] See attached Figure 1 and attached Figure 2 As shown, a compact charging pile of the utility model includes a cabinet 1, the cabinet 1 has a first opening in the front-to-back direction, and the cabinet 1 defines a chamber. The chamber includes a DC output compartment 11, a power compartment 12, and a control compartment 13 from top to bottom. A first mounting plate 2 is fixed in the DC output compartment 11, and a DC output component 3 is fixed on the first mounting plate 2. A second mounting plate 4 is fixed in the power compartment 12, and the second mounting plate 4 divides the power compartment 12 into a device cavity 121 and a power module cavity 122 in the front-to-back direction. The device cavity 121 is located on the side close to the first opening. A first electrical device assembly 5 fixed on the second mounting plate 4 is arranged in the device cavity 121, and a plurality of power modules 10 are arranged in the power module cavity 122. A third mounting plate 6 is fixed in the control compartment 13, and a second electrical device assembly 7 is installed on the third mounting plate 6.

[0038] Compared with traditional charging piles, a mounting plate fixed on the power module 10 is used to install all electrical components. In order to install all electrical components, the mounting plate is usually large in area, resulting in the charging pile also occupying a large area, which is not conducive to layout in areas with tight space. In this embodiment, the cavity is divided in the up and down directions to make full use of the space of the cabinet 1 in the up and down directions. Different cabins are provided with mounting plates, and the mounting plates form a split structure in the up and down directions, which realizes the full utilization of the space in the charging pile cabinet, thereby reducing the volume of the charging pile.

[0039] In one embodiment, the first electrical device assembly 5 is the outgoing line part, and the second electrical device assembly 7 is the incoming line part, which is convenient for the wiring of the charging pile. The incoming line part is used to connect the external line and connect the external device to the charging pile, and the outgoing line part is used to connect the power module 10 and the charging gun.

[0040] In one embodiment, see the attached Figure 3 As shown, the second mounting plate 4 includes a mounting surface facing the first opening, a plurality of first lead frames 41 are fixed on the mounting surface, the first lead frames 41 divide the mounting surface into a plurality of mounting areas, and the first electrical device assembly 5 includes a control unit, a switching power supply, an electricity meter, a wiring terminal and an output circuit unit fixed in different mounting areas. The output circuit unit includes a fuse and a shunt.

[0041] In this embodiment, the installation surface is divided into regions by the first guide frame so that the components do not interfere with each other during fixed installation. The cables of the first electrical component assembly 5 are routed and arranged through the first wire frame 41, and the cables in the charging pile are neatly routed, which is convenient for maintenance.

[0042] In one embodiment, the second electrical device assembly 7 is fixed on a surface of the third mounting plate 6 facing the first opening, the second electrical device assembly 7 is connected to an external device, and the second electrical device assembly 7 includes a contactor, a main controller and a lightning protector.

[0043] The second electrical device assembly 7 and the first electrical device assembly 5 are both fixed toward the first opening, and the first electrical device assembly 5 and the second electrical device assembly 7 can be repaired from the first opening.

[0044] In one embodiment, a second wire rack 61 is also fixed to the third mounting plate 6 and is located at the side and lower end of the second electrical device assembly 7. The cables of the second electrical device assembly 7 are routed and arranged through the second wire rack 61. The second wire rack 61 guides the cables of the second electrical device assembly 7, so that the cables in the control cabin 13 are neatly routed and easy to maintain.

[0045] In one embodiment, the cabinet 1 includes two side panels spaced apart in the left-right direction, a back panel in the front-back direction, and two end panels in the up-down direction, and the side panels, the back panel, and the end surfaces surround and form a chamber. The cabinet 1 is hinged with a first door panel 81 that can cover the first opening, and an operation panel is fixed on the first door panel 81. The first door panel 81 can cover the DC output compartment 11, the power compartment 12, and the control compartment 13. As long as the first door is opened, all components in the cavity can be repaired and installed.

[0046] The two side panels of the cabinet 1 are respectively provided with charging gun seats 31 corresponding to the positions of the control cabin 13, and the DC output component 3 is provided corresponding to the charging gun seat 31, and the DC output component 3 is a DC controller. In this embodiment, two charging gun seats 31 are provided, and the charging pile can charge two cars at the same time. The DC controller is fixed on the side of the first mounting plate 2 facing the opening.

[0047] In one embodiment, see the attached Figure 1 As shown, at least one of the two side panels of the cabinet 1 is provided with a second opening corresponding to the power module cavity 122, and the power module 10 enters and exits the power module cavity 122 from the second opening. A second door panel 82 that can cover the second opening is hingedly connected to the cabinet 1. The power module 10 is installed from the second opening, and the second door panel 82 is opened to install and replace the power module 10.

[0048] In one embodiment, a fixing frame 9 is fixed in the power module cavity 122, and the second mounting plate 4 is fixed to the fixing frame 9. The power module 10 can slide on the fixing frame 9 in the left-right direction and is detachably connected to the fixing frame 9, and a plurality of the power modules 10 are distributed in an array. The fixing frame 9 is used to carry the power module 10, and the power module 10 is installed in a drawer-type manner. Since the fixing frame 9 and the power module 10 are detachably connected, the power module 10 can be quickly replaced and installed.

[0049] See attached Figure 4 As shown, the fixing frame 9 includes four vertically extending columns 91, and a plurality of partitions 92 spaced apart in the vertical direction are fixed on the columns 91. The power module 10 can slide along the partitions 92 and be fixedly connected to the slide plate. The slide plate and the power module 10 are fixedly connected by bolts. When the power module 10 slides into place, the power module 10 is locked on the slide plate by bolts.

[0050] In one embodiment, a limit plate 93 is fixed to the side of the column 91 away from the second opening. The limit plate 93 is used to limit the sliding distance of the power module 10. When the power module 10 and the limit plate 93 are abutted, the power module 10 slides into place to fix the power module 10 and the slide plate.

[0051] In one embodiment, ventilation holes are provided on the second door plate 82 to ventilate and dissipate heat for the power module 10 .

[0052] The above implementation modes are only for illustrating the technical concept and features of the utility model, and their purpose is to allow people familiar with this technology to understand the content of the utility model and implement it. It cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A compact charging pile, comprising a cabinet, the cabinet having a first opening in the front-to-back direction, the cabinet defining a chamber, characterized in that: The chamber includes a DC output compartment, a power compartment and a control compartment from top to bottom; A first mounting plate is fixed in the DC output compartment, and DC output components are fixed on the first mounting plate; A second mounting plate is fixed in the power compartment, and the second mounting plate divides the power compartment into a device cavity and a power module cavity in the front-to-back direction. The device cavity is located on a side close to the first opening. A first electrical device assembly fixed on the second mounting plate is arranged in the device cavity, and a plurality of power modules are arranged in the power module cavity. A third mounting plate is fixed in the control cabin, and a second electrical device assembly is mounted on the third mounting plate.

2. The compact charging pile according to claim 1, characterized in that: The second mounting plate includes a mounting surface facing the first opening, and a plurality of first lead frames are fixed on the mounting surface. The first lead frames divide the mounting surface into a plurality of mounting areas. The first electrical device assembly includes a control unit, a switching power supply, an electricity meter, wiring terminals and an output loop unit fixed in different mounting areas.

3. The compact charging pile according to claim 2, characterized in that: The cables of the first electrical device assembly are routed and arranged through a first lead frame.

4. The compact charging pile according to claim 1, characterized in that: The second electrical device assembly is fixed on a surface of the third mounting plate facing the first opening, the second electrical device assembly is connected to an external device, and the second electrical device assembly includes a contactor, a main controller and a lightning protector.

5. The compact charging pile according to claim 4, characterized in that: A second lead frame located at the side and lower end of the second electrical device assembly is also fixed on the third mounting plate, and the cables of the second electrical device assembly are routed and arranged through the second lead frame.

6. The compact charging pile according to claim 1, characterized in that: The cabinet is provided with charging gun seats corresponding to the positions of the control cabin on two side panels in the left and right directions respectively, and the DC output components are arranged corresponding to the charging gun seats.

7. The compact charging pile according to claim 1, characterized in that: The cabinet body is provided with a second opening corresponding to the power module cavity on at least one of the two side panels in the left and right directions, and the power module enters and exits the power module cavity through the second opening. The cabinet body is hinged with a second door panel that can cover the second opening.

8. The compact charging pile according to claim 1, characterized in that: A fixing frame is fixed in the power module cavity, and the power module can slide on the fixing frame along the left-right direction and be detachably connected to the fixing frame. A plurality of the power modules are distributed in an array.

9. The compact charging pile according to claim 8, characterized in that: The fixing frame comprises four upright posts extending in the up-down direction, a plurality of partitions spaced apart in the up-down direction are fixed on the upright posts, and the power module can slide along the partitions and be fixedly connected to the slide plate.

10. The compact charging pile according to claim 1, characterized in that: A first door panel that can cover the first opening is hingedly connected to the cabinet body, and an operation panel is fixed on the first door panel.

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