High-low voltage separation type energy storage high-voltage distribution box

Abstract

The utility model relates to the technical field of energy storage high-voltage distribution boxes, in particular to a high-low voltage separation type energy storage high-voltage distribution box which comprises a shell, a mounting plate is arranged in the shell, an alternating current module is arranged on the side edge of the mounting plate, and a direct current module and a low-voltage control module are arranged on the mounting plate; the alternating current module comprises an alternating current wire bar and an alternating current side component arranged on the alternating current wire bar; the direct current module comprises a direct current line bar and a direct current side component arranged on the direct current line bar; the mounting plate and the alternating current module are arranged at an interval, and the direct current line bank is arranged on one side close to the alternating current module. The application has the effect of reducing the influence of the high-voltage module magnetic field interference on the low-voltage control module.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of energy storage high-voltage distribution boxes, and in particular to a high-low voltage separation type energy storage high-voltage distribution box. BACKGROUND

[0002] In an energy storage system, the high-voltage part is mainly responsible for energy transmission and conversion, and the low-voltage part is responsible for control, monitoring and communication functions.

[0003] The commonly used power distribution cabinet on the market is a high-voltage distribution box and energy storage equipment disclosed in Chinese Patent No. CN220138958U, which comprises a power management module, a temperature acquisition module and a power distribution module. The power distribution module is used for power distribution processing of the battery connected with the high-voltage distribution box. The temperature acquisition module is used for acquiring environmental temperature data inside the high-voltage distribution box. The power management module is connected with the temperature acquisition module and the power distribution module, and the power management module is used for managing the operating power of the power distribution module according to the environmental temperature data.

[0004] For the related technology in the above, the inventor finds that the high-low voltage part line in the above high-voltage distribution box is arranged compactly, resulting in a high-low voltage mixed layout, and thus the electromagnetic field generated by the high-voltage part may interfere with the signal transmission and electronic components of the low-voltage part. UTILITY MODEL CONTENT

[0005] In order to solve the above technical problems, the application provides a high-low voltage separation type energy storage high-voltage distribution box, which has the advantage of reducing the influence on the low-voltage control module.

[0006] To achieve the above purpose, the technical scheme of the utility model is as follows:

[0007] A high-low voltage separation type energy storage high-voltage distribution box comprises a shell, an installation plate is arranged in the shell, an alternating current module is arranged on the side edge of the installation plate, a direct current module and a low-voltage control module are arranged on the installation plate.

[0008] The alternating current module comprises an alternating current line row and alternating current side components arranged on the alternating current line row.

[0009] The direct current module comprises a direct current line row and direct current side components arranged on the direct current line row.

[0010] The installation plate and the alternating current module are arranged at intervals, and the direct current line row is arranged on the side close to the alternating current module.

[0011] The above technical solution is realized, that is, the low-voltage control module is arranged in isolation from the alternating current module through the arrangement of the mounting plate, thereby preventing the electromagnetic interference generated by the high-voltage alternating current, and improving the stability and reliability of the system; the electromagnetic field generated by the high-voltage part may interfere with the signal transmission and electronic elements of the low-voltage part, and after separation, the interference can be reduced through reasonable shielding and grounding measures; and the high-voltage direct current module with relatively weak magnetic field is arranged on the side of the mortgage control module, and the direct current line is arranged on the side close to the alternating current module, so as to achieve the blocking effect, thereby further reducing the influence on the low-voltage control module.

[0012] As a preferred scheme of the present application, the low-voltage control module comprises a BCM arranged on the mounting plate, a lower mounting bottom plate is arranged above the BCM, a pre-charge resistor and a switching power supply are arranged on the lower mounting bottom plate, an upper mounting bottom plate is arranged on the lower mounting bottom plate, and an I / O module is arranged on the upper mounting bottom plate.

[0013] The above technical solution is realized, and the laminated arrangement of the large-size switching power supply, the I / O module, the pre-charge resistor and the BCM can increase the space utilization rate; the pre-assembly can increase the assembly efficiency; the structure is composed of upper, middle and lower metal sheets, and can be disassembled at any time, thereby improving the maintenance efficiency.

[0014] As a preferred scheme of the present application, a plurality of wire harness rings are arranged on the mounting plate and the shell on the side of the BCM.

[0015] The above technical solution is realized, that is, the arrangement of the wire harness ring ensures that the wires between the modules are fixed in the corresponding positions, thereby ensuring the separation effect.

[0016] As a preferred scheme of the present application, the alternating current side components include a surge protector and an energy storage electric energy meter.

[0017] As a preferred scheme of the present application, the direct current side components include a circuit breaker.

[0018] The above technical solution is realized to ensure the safety of power supply and the effect of intelligent monitoring.

[0019] In summary, the present application has at least one of the following beneficial technical effects:

[0020] 1. By the setting of the mounting plate, the low-voltage control module is isolated from the alternating current module, thereby preventing the electromagnetic interference generated by the high-voltage alternating current, improving the stability and reliability of the system; the electromagnetic field generated by the high-voltage part may interfere with the signal transmission and electronic components of the low-voltage part, and after separation, reasonable shielding and grounding measures can be taken to reduce such interference; and the relatively weak magnetic field of the high-voltage direct current module is arranged on the side of the mortgage control module, and the direct current line is arranged on the side close to the alternating current module, thereby achieving the blocking effect and further reducing the influence on the low-voltage control module.

[0021] 2. The large-volume switching power supply, I / O module, pre-charge resistor, BCM laminated installation can increase the space utilization; can be pre-installed to increase the assembly efficiency; easy to disassemble, the whole structure is composed of upper, middle and lower layers of sheet metal, which can be disassembled at any time, improving the maintenance efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0023] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the present application.

[0024] Figure 2 It is a schematic diagram of the internal structure of the shell in the embodiment of the present application.

[0025] Figure 3 It is a top view of the internal structure of the shell in the embodiment of the present application.

[0026] Figure 4 It is a schematic diagram of the structure on the mounting plate in the embodiment of the present application.

[0027] Reference signs: 1, shell; 2, mounting plate; 3, alternating current module; 31, alternating current line; 32, surge protector; 33, energy storage electric energy meter; 4, direct current module; 41, direct current line; 42, circuit breaker; 5, low-voltage control module; 51, BCM; 52, lower layer mounting bottom plate; 53, pre-charge resistor; 54, switching power supply; 55, upper layer mounting bottom plate; 56, I / O module; 6, wire binding ring. DETAILED DESCRIPTION

[0028] The following will be described in detail in combination with the drawings Figures 1-4 The present application will be further described in detail.

[0029] The embodiment of the application discloses a high-low voltage separation type energy storage high-voltage distribution box. Figure 1 The high-low voltage separation type energy storage high-voltage distribution box comprises a shell 1, the shell 1 is internally provided with a mounting plate 2, the mounting plate 2 is provided with an alternating current module 3 on a side edge, and the mounting plate 2 is provided with a direct current module 4 and a low-voltage control module 5; the alternating current module 3 comprises an alternating current line row 31 and alternating current side components arranged on the alternating current line row 31; the direct current module 4 comprises a direct current line row 41 and direct current side components arranged on the direct current line row 41; the mounting plate 2 and the alternating current module 3 are arranged at intervals, and the direct current line row 41 is arranged on a side close to the alternating current module 3. That is, the low-voltage control module 5 is arranged to be isolated from the alternating current module 3 by the mounting plate 2, thereby preventing electromagnetic interference generated by high-voltage alternating current and improving the stability and reliability of the system. The electromagnetic field generated by the high-voltage part may interfere with the signal transmission and electronic components of the low-voltage part, and after separation, such interference can be reduced by reasonable shielding and grounding measures. The relatively weak magnetic field generated by the high-voltage direct current module 4 is arranged on the side of the mortgage control module, and the direct current line row 41 is arranged on the side close to the alternating current module 3, thereby achieving the effect of blocking and further reducing the influence on the low-voltage control module 5.

[0030] The low-voltage control module 5 comprises a BCM 51 arranged on the mounting plate 2, a lower mounting bottom plate 52 arranged above the BCM 51, a pre-charging resistor 53 and a switching power supply 54 arranged on the lower mounting bottom plate 52, a upper mounting bottom plate 55 arranged on the lower mounting bottom plate 52, and an I / O module 56 arranged on the upper mounting bottom plate 55. The stacking installation of the large-size switching power supply 54, the I / O module, the pre-charging resistor 53 and the BCM 51 can increase the space utilization rate; the pre-installation can increase the assembly efficiency; the whole structure is composed of upper, middle and lower metal sheets, and can be disassembled at any time, thereby improving the maintenance efficiency.

[0031] A plurality of wire bundling rings 6 are arranged on the mounting plate 2 and the shell 1 on the side of the alternating current module. That is, the arrangement of the wire bundling rings 6 ensures that the wiring between the modules is fixed in the corresponding position, thereby ensuring the separation effect.

[0032] The alternating current side components comprise a surge protector 32 and an energy storage electric energy meter 33, so as to ensure the safety of the alternating current side power supply.

[0033] The direct current side components comprise a circuit breaker 42, so as to control the on-off of the direct current side.

[0034] The implementation principle of the high-low voltage separation type energy storage high-voltage distribution box according to the embodiment of the application is that: the low-voltage control module 5 is isolated from the alternating current module 3 by the installation plate 2, thereby preventing and reducing electromagnetic interference generated by high-voltage alternating current, and improving the stability and reliability of the system; the electromagnetic field generated by the high-voltage part may interfere with the signal transmission and electronic components of the low-voltage part, and after separation, the interference can be reduced by reasonable shielding and grounding measures; and the high-voltage direct current module 4 which generates relatively weak magnetic field is arranged on the side of the mortgage control module, and the direct current wire row 41 is arranged on the side close to the alternating current module 3, so as to achieve the blocking effect, thereby further reducing the influence on the low-voltage control module 5. The large-size switching power supply 54, the I / O module, the pre-charging resistor 53 and the BCM 51 are stacked and installed, which can increase the space utilization rate; the pre-installation can increase the assembly efficiency; the disassembly is convenient, the whole structure is composed of upper, middle and lower metal sheets, and can be disassembled at any time, thereby improving the maintenance efficiency.

[0035] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so that: equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. High and low voltage separated energy storage high voltage distribution box, characterized by: It comprises a housing (1), a mounting plate (2) is provided in the housing (1), an AC module (3) is installed on the side of the mounting plate (2), and a DC module (4) and a low-voltage control module (5) are installed on the mounting plate (2); The AC module (3) comprises an AC busbar (31) and AC-side components arranged on the AC busbar (31); The DC module (4) comprises a DC busbar (41) and DC side components arranged on the DC busbar (41); The mounting plate (2) and the AC module (3) are spaced apart, and the DC busbar (41) is arranged on a side close to the AC module (3).

2. The high-voltage and low-voltage separated energy storage high-voltage distribution box according to claim 1 is characterized in that: The low-voltage control module (5) comprises a BCM (51) arranged on a mounting plate (2); a lower mounting base plate (52) is arranged above the BCM (51); a pre-charging resistor (53) and a switching power supply (54) are arranged on the lower mounting base plate (52); an upper mounting base plate (55) is arranged on the lower mounting base plate (52); and an I / O module (56) is arranged on the upper mounting base plate (55).

3. The high-voltage and low-voltage separated energy storage high-voltage distribution box according to claim 1 is characterized in that: A plurality of cable tie rings (6) are provided on the mounting plate (2) and the housing (1) on the side of the flow A module.

4. The high-voltage and low-voltage separated energy storage high-voltage distribution box according to claim 1 is characterized in that: The AC side components include a surge protector (32) and an energy storage electric energy meter (33).

5. The high-voltage and low-voltage separated energy storage high-voltage distribution box according to claim 1 is characterized in that: The DC side components include a circuit breaker (42).

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