Power supply power distribution unit and charging pile power supply rectifier cabinet

Abstract

The utility model provides a power supply power distribution unit and a charging pile power supply rectifier cabinet, comprising a mounting rack, a plurality of mounting plates are arranged from top to bottom, the mounting plates are provided with a plurality of rows of mounting through holes, and the mounting through holes between the upper and lower mounting plates are located on the same longitudinal axis; the plurality of direct current contactors are mounted on the mounting through holes of the mounting plate; the plurality of transverse series copper bars are used for transversely connecting the direct current contactors in the same row on the mounting plate in series; and the plurality of longitudinal series copper bars are used for longitudinally connecting the direct current contactors on the same longitudinal axis in series, and each longitudinal series copper bar is provided with an output cable. The power distribution unit and the charging pile power rectifier cabinet are simple in structure and convenient to operate and disassemble, output modes of charging modules can be more diversified, the charging modules can be more uniformly and reasonably distributed and used, the whole cabinet body layout is unit modularization, each cabin layout is compact, and the structure is compact. The design is simple, disorder is avoided, and function connection is reasonable.

Description

TECHNICAL FIELD

[0001] The utility model relates to charging pile technical field especially, it relates to a power power distribution unit and charging pile power rectifier cabinet. BACKGROUND

[0002] Charging pile is mainly used for charging electric automobile, along with the popularity of new energy vehicles, charging pile and we are more and more close. At present, the market charging pile power rectifier cabinet style is many, and the cabinet body of each manufacturer is different, and the function area is in confusion, and the power power distribution unit is not reasonably utilized, and the structure is complex, and the disassembly and maintenance are inconvenient, the output mode of charging module is single, cannot evenly distribute the resource of each charging module, influence its service life. SUMMARY

[0003] The utility model solves the technical problem, provide a power power distribution unit and charging pile power rectifier cabinet that simple structure, convenient operation and disassembly and assembly are convenient, and can make the output mode of charging module more diversified, more evenly and reasonably distribute and use charging module, and the whole cabinet layout presents unit modularization, and the cabin layout is compact, and the design is simple, and is not messy, and the function is connected reasonably.

[0004] The utility model is realized as follows:

[0005] First aspect

[0006] A power power distribution unit, comprising

[0007] An installation frame is provided with a plurality of installation plates from top to bottom, a plurality of installation through holes are formed in the installation plates, and the installation through holes between the upper and lower installation plates are located on the same longitudinal axis.

[0008] A plurality of DC contactors including a wiring end and an installation end, the installation end is installed on the installation through hole of the installation plate by bolts respectively.

[0009] A plurality of horizontal series copper bars are connected to the positive pole of the wiring end of the DC contactor, and the DC contactors in the same row on the installation plate are horizontally connected in series.

[0010] A plurality of longitudinal series copper bars are connected to the negative pole of the wiring end of the DC contactor, and the DC contactors located on the same longitudinal axis are connected in series longitudinally, and each longitudinal series copper bar is provided with an output cable.

[0011] Further, the installation plate is four, and two rows of installation through holes are formed, and each row of installation through holes is four.

[0012] Further, the mounting frame is a square frame, including four vertical beams distributed at four corners, the inner side wall of the vertical beam is integrally formed with a support sheet, the mounting plate is fixed on the support sheet, facilitating the installation of the mounting plate, and a certain weight can also be supported.

[0013] Further, the upper surface and the lower surface of the middle part of the mounting plate are integrally formed with protruding cable ties, facilitating the binding of the control lines of the DC contactor, and making the wiring more tidy.

[0014] Further, a fixed column is arranged between one end of the transverse series copper bar and the mounting plate, and the fixed column is made of insulating material.

[0015] The second aspect

[0016] The utility model discloses a charging pile power rectifier cabinet, including a power power distribution unit and a cabinet body as above, be equipped with weak electric cabin, strong electric cabin, charging module cabin, power power distribution cabin and DC output cabin in the cabinet body, the strong electric cabin is located below the cabinet body, the weak electric cabin is located the just above the strong electric cabin, and the two are cut off design between, charging module cabin, power power distribution cabin and DC output cabin are arranged in sequence in one side of the strong electric cabin respectively, be equipped with circuit breaker and AC contactor in the strong electric cabin, the charging module cabin is equipped with a plurality of charging modules, be equipped with a plurality of power power distribution units in the power power distribution cabin, be equipped with DC output copper bar in the DC output cabin.

[0017] Further, the circuit breaker and the AC contactor in the strong electric cabin are connected through the conductive copper bar, the charging module is divided into two groups, each group of the charging module is connected through the AC bus copper bar in series, the AC contactor is connected with the AC bus copper bar through the AC output copper bar, and each charging module is connected with the transverse series copper bar on the power power distribution unit through the output switching copper bar.

[0018] Further, the strong electric cabin is externally provided with a protective plate.

[0019] The utility model discloses a power power distribution unit connects DC contactor through transverse series copper bar and longitudinal series copper bar, guarantees that every charging module output power can have multiple distribution strategies or multiple charging module output power can converge to an output port, sets up the installation through -hole on the mounting plate, is located just below DC contactor, facilitates DC contactor ventilation heat dissipation, reduces the weight of the whole power power distribution unit simultaneously, compact structure, convenient installation, power flexible output, and there are multiple distribution strategies in output mode. Through the cabinet body layout presents unit modularization, makes every cabin layout compact, and the design is simple, and is not messy, and the function connection is reasonable. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model will be further explained below with reference to the drawings in combination with the embodiments.

[0021] Figure 1 It is an explosion structure schematic view of the power supply power distribution unit of the utility model embodiment one.

[0022] Figure 2 It is an explosion structure schematic view of the mounting plate and the DC contactor of the utility model embodiment one.

[0023] Figure 3 It is a structure schematic view of the power supply power distribution unit of the utility model embodiment one.

[0024] Figure 4 It is a structure schematic view of a charging pile power supply rectifier cabinet of the utility model embodiment two.

[0025] Figure 5 It is a front structure schematic view of a charging pile power supply rectifier cabinet of the utility model embodiment two.

[0026] Figure 6 It is a back structure schematic view of a charging pile power supply rectifier cabinet of the utility model embodiment two.

[0027] Figure 7 It is a side structure schematic view of a charging pile power supply rectifier cabinet of the utility model embodiment two.

[0028] Brief description of drawings: power supply power distribution unit 100, mounting bracket 1, vertical beam 11, support sheet 12, mounting plate 13, mounting through hole 131, cable tie buckle 132, DC contactor 2, wiring end 21, mounting end 22, transverse series copper bar 3, longitudinal series copper bar 4, output cable 41, fixed column 5, power supply rectifier cabinet 300, cabinet body 200, weak electricity cabin 201, strong electricity cabin 202, circuit breaker 2021, AC contactor 2022, protection plate 2023, charging module cabin 203, charging frame 2031, charging module 2032, handle 20321, power supply power distribution cabin 204, DC output cabin 205, DC output copper bar 2051, conductive copper bar 6, AC bus copper bar 7, AC output copper bar 8, output switching copper bar 9. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.

[0030] Embodiment one

[0031] As Figures 1 to 3 The utility model discloses a power supply power distribution unit 100, including an installation frame 1, a plurality of DC contactor 2, a plurality of horizontal series copper bar 3 and a plurality of longitudinal series copper bar 4.

[0032] The installation frame 1 is square frame, including four vertical beams 11 distribution in four corners, the inner side wall of vertical beam 11 is integrally formed with a support piece 12, the installation frame 1 is provided with a plurality of mounting plates 13 from top to bottom, the mounting plate 13 is fixed on the support piece 12, the support piece 1 is used to support the fixed mounting plate 13, can also bear a certain weight. A plurality of installation through holes 131 are formed in the mounting plate 13, and the installation through holes 131 between the upper and lower mounting plates 13 are located on the same longitudinal axis. The upper surface and the lower surface of the middle part of the mounting plate 13 are integrally formed with protruding cable ties 132, which facilitates the binding of the control lines of the DC contactor 2 and makes the wiring more neat. Preferably, the mounting plate 13 is four, and two rows of installation through holes 131 are formed. Each row of installation through holes 131 is four.

[0033] The DC contactor 2 includes a wiring end 21 and a mounting end 22. The mounting end 22 is installed on the installation through hole 131 of the mounting plate 13 by bolts. The installation through hole 131 is provided on the mounting plate 13 and located directly below the DC contactor 2, which facilitates ventilation and heat dissipation of the DC contactor 2 and reduces the weight of the entire power supply power distribution unit 100. The horizontal series copper bar 3 is connected to the positive electrode of the wiring end 21 of the DC contactor 2, and the DC contactors 2 in the same row on the mounting plate 13 are connected in horizontal series. The longitudinal series copper bar 4 is connected to the negative electrode of the wiring end 21 of the DC contactor 2, and the DC contactors 2 located on the same longitudinal axis are connected in longitudinal series. Each longitudinal series copper bar 4 is provided with an output cable 41.

[0034] One end of the horizontal series copper bar 3 and the mounting plate 13 are provided with a fixed column 5. The fixed column 5 is made of insulating material and is used to support the weight of the horizontal series copper bar 3.

[0035] The power supply power distribution unit 100 connects each row of DC contactors 2 on the mounting plate 13 through the horizontal series copper bar 3 and connects the charging module 2032 through the horizontal series copper bar 3, so that each charging module output power has multiple distribution modes. The power supply power distribution unit 100 connects the DC contactors 2 located on the same longitudinal axis on the mounting plate 13 in longitudinal series through the longitudinal series copper bar 4, so that multiple charging module output powers can be converged into an output port after passing through the DC contactor 2. The structure is compact, easy to install, flexible output of power supply, and has multiple distribution strategies for output mode.

[0036] Example two

[0037] As Figures 4 to 7 The utility model relates to a charging pile power supply rectifier cabinet 300, including the power distribution unit 100 and a cabinet 200 as above, be equipped with weak electric cabin 201, strong electric cabin 202, charging module cabin 203, power distribution cabin 204 and DC output cabin 205 in the cabinet 200, the strong electric cabin 202 is located the lower part of cabinet 200, the weak electric cabin 201 is located the just above of strong electric cabin 202, and the partition design is used between the two, can distinguish the weak and strong electric area of upper and lower well, charging module cabin 203, power distribution cabin 204 and DC output cabin 205 are arranged in the side of strong electric cabin 202 in proper order respectively, be equipped with breaker 2021 and AC contactor 2022 in the strong electric cabin 202, be equipped with the fender 2023 outside strong electric cabin 202 for the safety effect of protecting operator. Be equipped with charging frame 2031 and a plurality of charging module 2032 in the charging module cabin 203, the charging module 2032 is set in the charging frame 2031 and is pulled, be equipped with handle 20321 outside the charging module 2032, make things convenient for the charging module 2032 to pull, be equipped with a plurality of power distribution unit 100 in the power distribution cabin 204, be equipped with DC output copper bar 2051 in the DC output cabin 205. The breaker 2021 and AC contactor 2022 in the strong electric cabin 202 are connected through the conductive copper bar 6, the charging module 2032 is divided into two groups, and each group charging module 2032 is connected in series through AC bus copper bar 7, the AC contactor 2022 is connected with AC bus copper bar 7 through AC output copper bar 8, and each charging module 2032 is connected with the horizontal series copper bar 3 on the power distribution unit 100 through output switching copper bar 9 one to one correspondence, the output cable 41 is connected to the DC output copper bar 2051 in the DC output cabin 205.

[0038] The bottom of AC output copper bar 8 is provided with fixed column 5 at intervals, the fixed column 5 is made of insulating material, the AC output copper bar 8 is located at the back of the cabinet 200, and the current demand of multiple charging modules 2051 can be supplied simultaneously through the AC bus copper bar 7.

[0039] The working principle of the utility model is that the alternating current from the AC contactor 2022 is converged to the AC bus copper bar 7 through the AC output copper bar 8 and is input to each charging module 2032 by the AC bus copper bar 7, and the direct current is converted from the alternating current by the charging module 2032, the direct current is converged to the power distribution unit 100 by the output switching copper bar 9, the direct current output by the power distribution unit 100 is connected to the DC output copper bar 2051 by the output cable 41 on the longitudinal series copper bar 4, and finally is connected to other charging piles.

[0040] The utility model discloses a cabinet body layout presents unit modularization, makes every cabin layout compact, and the design is simple, and is not messy, and the function link is reasonable.

[0041] Although the above describes the specific implementation of the utility model, but the skilled person in the art should understand, the specific example that we described is only illustrative, and is not used for the limitation of the scope of the utility model, the equivalent modification and change that the skilled person in the art is made according to the spirit of the utility model, all should be covered in the scope of the claim protection of the utility model.

Claims

1. A power supply power distribution unit, characterized by: Comprising a mounting frame, a plurality of mounting plates are arranged from top to bottom, a plurality of mounting through holes are arranged on the mounting plates, the mounting through holes between the upper and lower mounting plates are located on the same longitudinal axis; a plurality of DC contactors, including a wiring end and a mounting end, the mounting end is mounted on the mounting through hole of the mounting plate by a bolt; a plurality of horizontal series copper bars, connected to the positive electrode of the wiring end of the DC contactor, the DC contactors in the same row on the mounting plate are horizontally connected in series; a plurality of longitudinal series copper bars, connected to the negative electrode of the wiring end of the DC contactor, the DC contactors located on the same longitudinal axis are connected in series, and an output cable is arranged on each longitudinal series copper bar.

2. A power supply power distribution unit according to claim 1, characterized in that: The mounting plate is four, and two rows of mounting through holes are arranged, and each row of mounting through holes is four.

3. A power supply power distribution unit according to claim 1, wherein: The mounting frame is a square frame, including four vertical beams distributed at four corners, the inner side wall of the vertical beam is integrally formed with a support piece, and the mounting plate is fixed on the support piece.

4. A power supply power distribution unit according to claim 1, wherein: The upper surface and the lower surface of the middle part of the mounting plate are integrally formed with a protruding cable buckle.

5. A power supply power distribution unit according to claim 1, wherein: One end of the horizontal series copper bar is provided with a fixed column between the mounting plate, and the fixed column is made of insulating material.

6. A charging pile power supply rectifier cabinet characterized by Comprising a power distribution unit as claimed in any one of claims 1-3 and a cabinet, the cabinet is provided with a weak current cabin, a strong current cabin, a charging module cabin, a power distribution cabin and a DC output cabin; the strong current cabin is located below the cabinet, the weak current cabin is located directly above the strong current cabin, and the two are designed to be separated, the charging module cabin, the power distribution cabin and the DC output cabin are arranged in sequence on one side of the strong current cabin, the strong current cabin is provided with a circuit breaker and an AC contactor, the charging module cabin is provided with a plurality of charging modules, the power distribution cabin is provided with a plurality of power distribution units, and the DC output cabin is provided with a DC output copper bar.

7. The charging pile power supply rectifier cabinet according to claim 6, characterized in that: The circuit breaker and the AC contactor in the strong current cabin are connected by a conductive copper bar, the charging modules are divided into two groups, the back of each group of charging modules is connected in series by an AC bus copper bar, the AC contactor is connected with the AC bus copper bar through an AC output copper bar, and each charging module is connected with the horizontal series copper bar on the power distribution unit through an output adapter copper bar; the output cable is connected to the DC output copper bar in the DC output cabin.

8. The charging pile power supply rectifier cabinet according to claim 6, characterized in that: The strong current cabin is provided with a protective plate outside.

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