Power distribution circuit of charging pile

Abstract

The utility model discloses a power distribution circuit of a charging pile, which relates to the technical field of charging piles and comprises a first base, a circuit board is arranged above the first base, at least four upright posts for supporting are arranged between the first base and the circuit board, a first input connector is mounted on one side of the circuit board, and a second input connector is mounted on the other side of the circuit board. A first output connector and a second output connector are installed on the side, away from the first input end, of the circuit board, the first input connector, the first output connector and the second output connector each comprise a limiting support, the limiting supports are fixedly connected to the circuit board, terminals are installed on the limiting supports, and the circuit board is supported by the four stand columns. The upper space and the lower space of the suspended circuit board can be adjusted to ensure the maximum heat dissipation of the circuit board, and the limiting support is further designed to further support the terminal to ensure that the circuit board and the terminal are connected more firmly.

Description

TECHNICAL FIELD

[0001] The utility model relates to charging pile technical field especially, and it is a kind of power distribution circuit of charging pile. BACKGROUND

[0002] Charging pile refers to the charging device for providing energy supplement for electric vehicle, its function is similar to oiling machine in gas station, can be fixed on ground or wall, is installed in public building and residential parking lot or charging station, can be charged for various models of electric vehicle according to different voltage grade.

[0003] The input end of charging pile is directly connected with AC power grid, and the output end is provided with charging plug for charging electric vehicle, and power distributor is needed in existing power distribution circuit, and the circuit board and connector connecting part in power distributor are directly connected by welding or riveting wiring mode, without intermediate adapter structure, the connection is shaken greatly due to the uncontrollable force of external connector in docking, the connector part is separated from the connection of circuit board, if the structure is damaged, the cost of replacing the entire connector is higher, and the difficulty of replacing single damaged accessory is very high, so the structure of existing charging connector and cable connection needs to be further improved. SUMMARY

[0004] Therefore, it is necessary to provide a power distribution circuit of charging pile, which can effectively improve its stability to prevent the connection from falling off due to shaking during connection.

[0005] A kind of power distribution circuit of charging pile, including first base, the upper portion of the first base is provided with circuit board, at least four supporting columns are arranged between the first base and circuit board, first input connector is installed on the side of the circuit board, first output connector and second output connector are installed on the side of the circuit board away from first input end, the first input connector, first output connector and second output connector all include limiting support, the limiting support is fixedly connected on circuit board, and terminal is installed on the limiting support.

[0006] As a preferred place, the limiting support includes vertical plate and tripod, the vertical plate is clamped on the side wall of circuit board, the tripod is provided with two, two tripods are distributed on the two sides of the same side of vertical plate, one end side of each tripod is fixedly connected with vertical plate, and the bottom of each tripod is fixedly connected with circuit board.

[0007] As a preferred place, positioning slot is formed in each vertical plate, and the positioning slot is rectangular opening slot.

[0008] As a preferred place, the side and bottom of the tripod are provided with mounting holes, and a fastener is mounted in each mounting hole.

[0009] As a preferred place, the side of the vertical plate is provided with a ring-shaped fastener for positioning the terminal, the ring-shaped fastener is fixedly connected to the surface of the terminal body, and a support leg is connected between the ring-shaped fastener and the vertical plate.

[0010] As a preferred place, a sleeve is sleeved on the terminal, and the sleeve is threadedly connected with the terminal.

[0011] As a preferred place, a threaded hole is formed in the circuit board for threadedly cooperating with the stand column, the bottom of the stand column is connected to the first base through a bearing, and the top of the stand column is inserted into the threaded hole.

[0012] The utility model has the advantages that:

[0013] Therefore, four stand columns are designed to support the circuit board, the up and down space of the suspended circuit board can increase the maximum heat dissipation of the circuit board itself, the heat released by the circuit board can be quickly discharged, the subsequent external fan can further enhance the air flow to provide space, and a limiting support is designed to further support the terminal, so that the connection between the circuit board and the terminal is more firm. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic view of the overall structure;

[0015] Figure 2 It is Figure 1 It is a schematic view of the enlarged structure at A in the middle;

[0016] Figure 3 It is Figure 1 It is a schematic view of the enlarged structure at B in the middle;

[0017] Figure: 1, first base; 2, circuit board; 3, stand column; 4, first input connector; 5, first output connector; 6, second output connector; 7, limiting support; 71, vertical plate; 711, positioning groove; 72, tripod; 721, mounting hole; 8, ring-shaped fastener; 9, support leg; 10, sleeve; 11, terminal. DETAILED DESCRIPTION

[0018] For the above purposes, features and advantages of the present application to be more apparent and understandable, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following description, a number of specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a number of different ways beyond the specific details set forth herein without departing from the scope of the present application, and it can be apparent to one skilled in the art that similar improvements can be made without departing from the spirit of the present application, and therefore the present application is not limited to the specific embodiments disclosed below.

[0019] It should be noted that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only and are not intended to be limiting.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application herein only for the purpose of describing specific embodiments and is not intended to limit the present application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0021] As shown in Figures 1-3

[0022] As an optional embodiment,

[0023] A power distribution circuit of a charging pile, comprising a first base 1, a circuit board 2 is arranged above the first base 1, at least four supporting columns 3 are arranged between the first base 1 and the circuit board 2, a first input connector 4 is installed on one side of the circuit board 2, a first output connector 5 and a second output connector 6 are installed on the side of the circuit board 2 away from the first input connector 4, the first input connector 4, the first output connector 5 and the second output connector 6 all comprise a limiting support 7, the limiting support 7 is fixedly connected to the circuit board 2, and a terminal 11 is installed on the limiting support 7.

[0024] ​Specifically, when the circuit board 2 needs to dissipate heat, a heat sink can be added to reduce the surface temperature of the circuit board 2. Therefore, four columns 3 are designed to support the circuit board 2. The up and down space of the suspended circuit board 2 can increase the maximum heat dissipation of the circuit board 2 itself. The hot air generated by the circuit board 2 can be quickly discharged. The subsequent external fan can further enhance the air flow to provide space. Three terminals are installed on the circuit board 2, which are a first input terminal 4 and two second output terminals 6 or multiple second output terminals 6. The processing unit on the circuit board 2 will distribute multiple terminals for normal discharge work. The terminal 11 is usually fixed on the circuit by welding. Due to the lack of support for the connection, if the operation is not proper, the terminal 11 and the circuit board 2 will not be connected firmly. Based on the design of the limiting support 7, the terminal 11 can be further supported to ensure that the circuit board 2 and the terminal 11 are more firmly connected.

[0025] On the basis of the above embodiment, as shown in Figure 2

[0026] On the basis of the above embodiment, as shown in Figure 2

[0027] As a preferred place, a positioning groove 711 is formed on each of the vertical plates 71, and the positioning groove 711 is a rectangular opening groove. Specifically, in order to better support the vertical plate 71 and better determine the position of the tripod 72, the top surface of the rectangular opening groove abuts against the upper surface of the circuit board 2, and the side surface of the rectangular opening groove abuts against the side surface of the circuit board 2.

[0028] On the basis of the above embodiment, as shown in Figure 2

[0029] The side surface and the bottom of the tripod 72 are provided with mounting holes 721, and a fastener is installed in each mounting hole 721. The fastener is fixedly connected with the circuit board 2 after penetrating through the mounting hole 721. Specifically, a threaded hole is formed on the circuit board 2 in correspondence, and the tripod 72 is fixed on the circuit board 2 through the fastener. The same technical means can be used to connect the tripod 72 with the vertical plate 71. Preferably, a threaded hole is formed on the vertical plate 71, and the tripod 72 is fixed on the vertical plate 71 through the fastener. Thus, the terminal 11 inserted in the vertical plate 71 is supported on the circuit board 2, ensuring that the terminal 11 is more stable during connection.

[0030] On the basis of the above embodiment, as shown in Figure 3

[0031] ​​​​The vertical plate 71 is provided with a ring-shaped fastener 8 for positioning the terminal 11, the ring-shaped fastener 8 is fixedly connected to the surface of the terminal 11 body, and a supporting leg 9 is connected between the ring-shaped fastener 8 and the vertical plate 71, the ring-shaped fastener 8 is fixed to the side of the vertical plate 71 through the supporting leg 9, and the ring-shaped fastener 8 further supports the terminal 11 inserted therein.

[0032] As a preferred scheme, the terminal 11 is sleeved with a sleeve 10, and the sleeve 10 is threadedly connected with the terminal 11. Specifically, the sleeve 10 is sleeved on the terminal 11, and the sleeve 10 is threadedly connected with the terminal 11, and the sleeve 10 has the following advantages: on the one hand, the terminal 11 is fastened on the ring-shaped fastener 8, and the terminal 11 is more stable under force; on the other hand, when the joint of the external connecting wire is connected with the terminal 11, the connection position of the external joint can be constrained, and the insertion depth can be controlled.

[0033] On the basis of the above embodiment, as shown in FIG. 1,

[0034] The circuit board 2 is provided with a threaded hole for threadedly cooperating with the vertical column 3, the bottom of the vertical column 3 is connected to the first base 1 through a bearing member, the top of the vertical column 3 is inserted into the threaded hole, and the vertical column 3 at the corresponding position can be rotated on the first base 1, and the top of the vertical column 3 is inserted into the threaded hole matched therewith, so that the distance between the circuit board 2 and the first base 1 at the position can be changed.

[0035] The above embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent range. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which all belong to the protection range of the utility model. Therefore, the protection range of the utility model patent should be subject to the appended claims.

Claims

1. A power distribution circuit for a charging station, characterized by, The utility model provides a circuit board, including first base (1), the upper side of first base (1) is provided with circuit board (2), be provided with at least four support column (3) between first base (1) and circuit board (2), one side of circuit board (2) is installed first input connector (4), the side of circuit board (2) away from first input end is installed first output connector (5) and second output connector (6), first input connector (4), first output connector (5) and second output connector (6) all include limit support (7), limit support (7) is fixedly connected on circuit board (2), and the terminal (11) is installed on limit support (7).

2. The power distribution circuit of a charging pile according to claim 1, wherein, The limit support (7) includes an upright plate (71) and a tripod (72), the upright plate (71) is clamped on the side wall of the circuit board (2), and the tripod (72) is provided with two, the two tripods (72) are distributed on the two sides of the same side of the upright plate (71), one end side of each tripod (72) is fixedly connected with the upright plate (71), and the bottom of each tripod (72) is fixedly connected with the circuit board (2).

3. The power distribution circuit of a charging station of claim 2, wherein, Each of the upright plates (71) is provided with a positioning groove (711), and the positioning groove (711) is a rectangular open groove.

4. The power distribution circuit of a charging pile according to claim 2, wherein, The side and the bottom of the tripod (72) are provided with mounting holes (721), and each mounting hole (721) is provided with a fastener, the fastener is fixedly connected with the circuit board (2) after penetrating through the mounting hole (721).

5. The power distribution circuit of a charging station of claim 3, wherein, The side of the upright plate (71) is provided with a ring-shaped fastener (8) for positioning the terminal (11), the ring-shaped fastener (8) is fixedly connected with the surface of the terminal (11), and the ring-shaped fastener (8) is connected with the upright plate (71) through a supporting leg (9).

6. The power distribution circuit of a charging station of claim 1, wherein, The terminal (11) is provided with a sleeve (10), and the sleeve (10) is threadedly connected with the terminal (11).

7. The power distribution circuit of a charging station of claim 1, wherein, The circuit board (2) is provided with a threaded hole for threadedly connecting with the support column (3), the bottom of the support column (3) is connected with the first base (1) through a bearing, and the top of the support column (3) is inserted into the threaded hole.

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