Modular high-power charging pile

Abstract

The utility model discloses a modularized high-power charging pile, which comprises a cabinet body, and a charging module, an alternating current input module, a direct current output module and a switching power supply module which are arranged in the cabinet body, and the charging module is electrically connected with the alternating current input module and the direct current output module respectively. The switching power supply module is electrically connected with the alternating current input module and the direct current output module respectively; the DC output module comprises a plurality of groups of power distribution units, and each group of power distribution units is electrically connected with other power distribution units. According to the utility model, the problems of complicated overall layout, disordered wiring, complicated process flow, difficulty in after-sales maintenance and low production efficiency of the current charging pile are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of charging devices, and more specifically, relates to a modular high-power charging stack. Background Art

[0002] A high-power charging stack is a device used to quickly charge electric vehicles. With the increasing popularity of electric vehicles and the growing charging demand, high-power charging stacks have become an important part of the electric vehicle charging infrastructure, and are usually applied to public charging stations or commercial charging places. There are various cables inside the charging stack, including power cables, data cables, control cables, etc. These cables are intertwined in a narrow space, and it is easy to have a chaotic wiring situation; the complex wiring makes it difficult to troubleshoot and maintain faults, and a large amount of time is required for positioning and repair; if the wiring is unreasonable or chaotic, it may lead to problems such as cable wear and short circuit, posing certain potential safety hazards, and the complex structure results in low production efficiency. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is: to provide a modular high-power charging stack, which solves the problems of the complex overall layout, chaotic wiring, complex technological process, and difficult after-sales maintenance of the current charging stack, resulting in low production efficiency.

[0004] The technical solution of the utility model is: The utility model provides a modular high-power charging stack, which includes a cabinet body and a charging module, an AC input module, a DC output module, and a switching power supply module arranged in the cabinet body. The charging module is electrically connected to the AC input module and the DC output module respectively, and the switching power supply module is electrically connected to the AC input module and the DC output module respectively;

[0005] The DC output module includes several groups of power distribution units, and each group of power distribution units is electrically connected to the other power distribution units.

[0006] Further, the power distribution unit includes wire-passing terminals, and the switching power supply module includes wall-passing terminals. The wire-passing terminals and the wall-passing terminals are electrically connected through wires.

[0007] Further, the AC input module includes an AC input terminal, an AC output terminal, an AC circuit breaker, an AC contactor, and a lightning arrester. The AC input terminal is electrically connected through the AC circuit breaker, the AC circuit breaker is electrically connected to the AC contactor, the AC contactor is electrically connected to the AC output terminal, and the lightning arrester is arranged on one side close to the AC circuit breaker.

[0008] Further, the AC input module further includes a first filter board, a second filter board, a first magnetic ring, and a second magnetic ring. The first filter board and the first magnetic ring are disposed on one side close to the AC input terminal, and the second filter board and the second magnetic ring are disposed on one side close to the AC output terminal.

[0009] Further, the power distribution module is connected by a plurality of groups of copper bars, and each group of copper bars sequentially connects all the power distribution modules.

[0010] Further, the DC output module further includes a DC output terminal and a fuse. One end of the copper bar close to the ground extends to form the DC output terminal, and the fuse is detachably connected to the DC output terminal.

[0011] Further, a DC input terminal is provided on one side of the power distribution unit away from the wire passing terminal, and the charging module unit in the charging module is connected to the power distribution unit through the DC input terminal.

[0012] Further, the through-wall terminal includes a first connector and a second connector. The first connector and the second connector are detachably connected, and screws are provided on both the first connector and the second connector.

[0013] Further, the through-wall terminal penetrates through two opposite side surfaces in the vertical direction of the switching power supply module, and the first connector and the second connector are respectively disposed on the two side surfaces of the switching power supply module.

[0014] Further, the cabinet body includes a first cavity and a second cavity. The charging module includes a first charging module and the second charging module. The first charging module, the switching power supply module, and the AC input module are respectively provided in the first cavity from top to bottom, and the second charging module and the DC output module are respectively provided in the second cavity from top to bottom.

[0015] The beneficial effects of the present utility model are as follows: The present utility model provides a modular high-power charging pile, which includes a charging module, an AC input module, a DC output module, and a switching power supply module. The charging module is electrically connected to the AC input module and the DC output module respectively, and the switching power supply module is electrically connected to the AC input module and the DC output module respectively. The modules can be flexibly arranged according to needs, realizing independent maintenance and replacement of the modules, which is convenient for future maintenance and upgrade; the switching power supply module is used for centralized power supply and providing control signals to the control components of the other modules. A through-wall terminal is provided on the switching power supply module, and the modules are connected by wire harnesses through the through-wall terminal, solving the problem of numerous assembly cables for scattered devices and making the layout cleaner and clearer. Description of the Drawings

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 A schematic diagram of the front view structure of a modular high-power charging stack provided in this embodiment;

[0018] Figure 2 A schematic diagram of the rear view structure of a modular high-power charging stack provided in this embodiment;

[0019] Figure 3 for Figure 1 Schematic diagram of the through-wall terminal structure;

[0020] Figure 4 for Figure 1 The front view structural diagram of the AC input module;

[0021] Figure 5 for Figure 2 Rear view of the AC input module;

[0022] Figure 6 for Figure 1 The schematic diagram of the DC output module is shown in the front view;

[0023] Figure 7 for Figure 2 Rear view of the DC output module.

[0024] Description of reference numerals:

[0025] 1-cabinet, 2-charging module, 3-AC input module, 4-switching power supply module, 5-DC output module;

[0026] 11-first cavity, 12-second cavity, 3-AC input terminal, 32-AC output terminal, 33-AC circuit breaker, 34-AC contactor, 35-lightning arrester, 36-first filter board, 37-second filter board, 38-first magnetic ring, 39-second magnetic ring, 41-wall terminal, 51-power distribution unit, 52-DC output terminal 52, 53-fuse;

[0027] 411 - first connector, 412 - second connector, 413 - bolt, 511 - wire terminal, 512 - DC input terminal. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] In the present invention, the terms "first", "second", etc. are mainly used to distinguish different devices, elements or components (the specific types and structures may be the same or different), and are not used to indicate or imply the relative importance and quantity of the indicated devices, elements or components. Unless otherwise specified, "plurality" means two or more.

[0030] The following is a detailed description of the implementation of the present invention in conjunction with the specific drawings:

[0031] Figure 1 A schematic diagram of the front view structure of a modular high-power charging stack provided in this embodiment is shown in FIG. Figure 1 As shown, the modular high-power charging stack is arranged in the cabinet 1, and the cabinet 1 includes a first cavity 11 and a second cavity 12. The first cavity 11 is provided with a charging module 2, an AC input module 3 and a switching power supply module 4 from top to bottom, and the second cavity 12 is provided with a charging module 2 and a DC output module 5 from top to bottom. The charging module 2 is divided into two groups and arranged in the first cavity 11 and the second cavity 12. A threading hole is provided between the first cavity 11 and the second cavity 12, so that the charging module 2 is electrically connected to the AC input module 3 and the DC output module 4 respectively, and the AC input from the AC input module 3 is stored in the charging module 2, and output through the DC output module 5 when the electric vehicle needs to be charged; the switching power supply module 4 is electrically connected to the AC input module 2 and the DC output module 4 respectively, providing them with working power and control signals. This application divides the charging stack into several independent modules, and assembles the modules into a whole by electrically connecting them. Each independent module is designed and manufactured separately, and the position distribution of each module cavity can be specifically set according to needs. The modular design can realize independent maintenance and replacement of the modules, reduce assembly time, and facilitate future maintenance and upgrades.

[0032] The switch power module 4 includes 6 sets of through-wall terminals 41. Figure 3 The schematic diagram of each set of through-wall terminals is shown in Figure 1. Figure 1 and Figure 3The through-wall terminals 41 pass through two opposite sides of the switching power module 4. Each set of through-wall terminals 41 includes a first connector 411 and a second connector 412. Four sets of bolts 413 are respectively provided on the first connector 411 and the second connector 412. The cables electrically connected to the switching power module are fixed by the bolts 413. The first connector 411 and the second connector 412 are detachably connected. The wiring harness electrically connected to the switching power module 4 is connected through the through-wall terminals 41, which solves the problem of numerous cables in the dispersed assembly of devices. The provision of connectors facilitates quick plug-in assembly.

[0033] Figure 4 This is the front view structural diagram of the AC input module. Figure 5 This is the rear view of the AC input module. Figure 4 and Figure 5 The AC input module 3 includes two groups of AC input terminals 31, two groups of AC output terminals 32, two groups of AC circuit breakers 33, two groups of AC contactors 34 and a lightning arrester 35. Each group of AC input terminals 31 includes a group of grounding terminals and three groups of input terminals. The three groups of input terminals input three-phase AC power. The AC output terminals 32 include three groups of output copper bars, one of which is connected to the switching power supply module 4 through a wire to provide one-phase AC power for the switching power supply module 4. The switching power supply module 4 converts 220V AC power into 12V or 24V DC output for powering other modules.

[0034] A first filter board 36 and a first magnetic ring 38 are provided on the wire connecting the AC input terminal 31 and the AC circuit breaker 33, a second magnetic ring 39 is provided on the copper busbar connecting the AC output terminal 32 and the AC contactor 34, and a second filter board 37 is provided on the side close to the second magnetic ring 39. The filter board and the magnetic ring both play a role in reducing electromagnetic interference and electromagnetic radiation in the AC input circuit, thereby improving the stability of equipment operation.

[0035] Figure 6 This is a schematic diagram of the DC output module's front view structure. Figure 7 This is a rear view of the DC output module. Figure 6 and Figure 7 The DC output module 5 includes four power distribution units 51, a DC output terminal 52 and a fuse 53. The fuse 32 is arranged on the positive copper bar near the DC output terminal 52. The four power distribution units 51 are connected by the copper bar. The end of the copper bar close to the ground extends to form the DC output terminal 52. The fuse 53 is detachably connected to the DC output terminal 52. Each power distribution unit 51 includes a threading terminal 511 and a DC input terminal 512. A DC contactor is arranged in the power distribution unit 51 to intelligently dispatch and distribute the output DC power to save charging.

[0036] The wire-through terminal 511 is connected to the through-wall terminal 41 on the switching power module 4 through a wire. The switching power module 4 supplies power and provides signals to the power distribution unit. The power distribution units 51 are detachably connected through copper busbars. The power distribution units are independently designed to facilitate quick assembly and flexible layout. During subsequent maintenance and overhaul, the damaged units can be detected and removed to save maintenance costs.

[0037] The above is a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications are also considered to be within the protection scope of the present invention.

Claims

1. A modular high-power charging stack, characterized in that: The charging stack includes a cabinet and a charging module, an AC input module, a DC output module and a switching power supply module arranged in the cabinet, wherein the charging module is electrically connected to the AC input module and the DC output module respectively, and the switching power supply module is electrically connected to the AC input module and the DC output module respectively; The DC output module includes a plurality of groups of power distribution units, and each group of the power distribution units is electrically connected to the remaining power distribution units.

2. A modular high-power charging stack as claimed in claim 1, characterized in that: The power distribution unit includes a threading terminal, the switching power supply module includes a through-wall terminal, and the threading terminal and the through-wall terminal are electrically connected via a wire.

3. A modular high-power charging stack as claimed in claim 2, characterized in that: The AC input module includes an AC input terminal, an AC output terminal, an AC circuit breaker, an AC contactor and a lightning arrester. The AC input terminal is electrically connected through the AC circuit breaker, the AC circuit breaker is electrically connected to the AC contactor, the AC contactor is electrically connected to the AC output terminal, and the lightning arrester is arranged on a side close to the AC circuit breaker.

4. A modular high-power charging stack as claimed in claim 3, characterized in that: The AC input module also includes a first filter board, a second filter board, a first magnetic ring and a second magnetic ring. The first filter board and the first magnetic ring are arranged on a side close to the AC input end, and the second filter board and the second magnetic ring are arranged on a side close to the AC output end.

5. A modular high-power charging stack as claimed in claim 2, characterized in that: The power distribution modules are connected via a plurality of groups of copper bars, and each group of the copper bars is connected to all the power distribution modules in sequence.

6. A modular high-power charging stack as claimed in claim 5, characterized in that: The DC output module also includes a DC output terminal and a fuse. One end of the copper busbar close to the ground extends to form the DC output terminal. The fuse is detachably connected to the DC output terminal.

7. A modular high-power charging stack as claimed in claim 6, characterized in that: A DC input terminal is provided on a side of the power distribution unit away from the threading terminal, and the charging module unit in the charging module is connected to the power distribution unit via the DC input terminal.

8. A modular high-power charging stack as claimed in claim 2, characterized in that: The through-wall terminal includes a first connector and a second connector. The first connector and the second connector are detachably connected. Screws are disposed on the first connector and the second connector.

9. A modular high-power charging stack as claimed in claim 8, characterized in that: The through-wall terminal passes through two opposite side surfaces of the switching power module in a vertical direction, and the first connector and the second connector are respectively arranged on two side surfaces of the switching power module.

10. A modular high-power charging stack as claimed in claim 2, characterized in that: The cabinet includes a first cavity and a second cavity, the charging module includes a first charging module and a second charging module, the first cavity is respectively provided with the first charging module, the switching power supply module and the AC input module from top to bottom, and the second cavity is respectively provided with the second charging module and the DC output module from top to bottom.

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