Low-voltage distribution box suitable for pure electric ship

The design of integrated low-voltage distribution box solves the problems of large area and insufficient protection capabilities in the existing technology, and achieves the effects of miniaturization, sealability and convenient maintenance, and is suitable for pure electric ships.

CN223230706UActive Publication Date: 2025-08-15SHANGHAI QINGBO POWER TECHNOLOGY CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422393851.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-29
Publication Date
2025-08-15
Estimated Expiration
2034-09-29

AI Technical Summary

Technical Problem

The existing low-voltage distribution boxes occupy a large area in fuel ships and lack salt spray corrosion resistance and waterproofing capabilities. Their processing relies on labor, which makes it difficult to ensure reliability.

Method used

Design a low-voltage distribution box suitable for pure electric ships, adopts an integrated shell structure, including upper and lower shells separated by partitions, built-in low-voltage distribution distribution module and control relay module, and uses waterproof connecting plugs and sealing strips, and uses salt spray corrosion-resistant materials.

Benefits of technology

It realizes the miniaturization and integration of power distribution devices, has high sealing and convenient maintenance, adapts to the navigation environment, and is flexible in layout.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223230706U_ABST
    Figure CN223230706U_ABST
Patent Text Reader

Abstract

The utility model relates to a low-voltage distribution box suitable for a pure electric ship, which comprises a shell, a partition plate is connected in the shell and divides the shell into an upper shell and a lower shell, an integrated low-voltage distribution module and a control relay module are connected in the upper shell, and the control relay module is connected in the lower shell. A connecting wire harness for connecting the low-voltage power distribution module with the control relay module is connected in the lower shell; and the outer side of the shell is connected with a connecting plug for connecting the low-voltage power distribution module with the control relay module. The utility model has the advantages of integration, miniaturization and convenience in maintenance.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to a low-voltage distribution box system suitable for pure electric ships. Background Art

[0002] Low-voltage power distribution boxes are essential equipment used to distribute power to low-voltage electrical appliances. The current manufacturing process involves purchasing commercially available ABS plastic boxes, drilling holes in the laboratory, installing switches, fuse holders, banana jacks, and cigarette lighter sockets, and then connecting the pins of each component using plug-in terminals. Because existing solutions require user-fabricated assembly in the laboratory, the reliability of the distribution box depends on the fabricator's skill level, resulting in uncertain quality. The manufacturing process is complex and time-consuming.

[0003] After searching, the patent: A low-voltage power distribution box (CN202010785518.6), includes a box body, a circuit mounting board is provided in the box body, and a functional circuit is provided on the circuit mounting board. The functional circuit includes a banana socket circuit group and a cigarette lighter circuit group formed in parallel. The banana socket circuit includes a fuse seat, a positive banana socket, an LED indicator light, a current limiting resistor, and a negative banana socket formed in series in sequence. The cigarette lighter circuit group includes a multiple parallel cigarette lighter circuit. The cigarette lighter circuit includes a fuse seat, a cigarette lighter socket, an LED indicator light, and a current limiting resistor formed in series in sequence. The positive terminal, the switch assembly, the functional circuit, and the negative terminal are connected in series in sequence to form the overall circuit of the low-voltage power distribution box.

[0004] In the above-mentioned mechanical structure of fuel-fired ships, the low-voltage distribution boxes for existing ships generally adopt distributed low-voltage distribution devices, which occupy a large area and do not have the ability to resist salt spray corrosion and waterproof under marine conditions.

[0005] In view of the above-mentioned defects, the designer has actively carried out research and innovation in order to create a low-voltage distribution box with a new structure suitable for pure electric ships, making it more valuable for industrial use. Utility Model Content

[0006] In order to solve the above technical problems, the purpose of the present utility model is to provide a low-voltage distribution box suitable for pure electric ships.

[0007] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0008] A low-voltage power distribution box suitable for a pure electric vessel comprises a housing, a partition being connected within the housing, the partition dividing the housing into an upper housing and a lower housing, the upper housing being connected to an integrated low-voltage power distribution module and a control relay module, the lower housing being connected to a connecting harness connecting the low-voltage power distribution module and the control relay module, and the outer side of the housing being connected to a connecting plug connecting the low-voltage power distribution module and the control relay module;

[0009] The low-voltage power distribution module includes several fuses, wherein the fuses are respectively arranged on the upper side and the lower side of the upper shell; the control relay module includes several controllers, wherein the controllers are respectively arranged on the middle and right side of the upper shell.

[0010] Preferably, in the low-voltage distribution box suitable for pure electric ships, the second fuse in the fuse is a DC low-voltage 24V power input, which is connected in parallel with the first fuse, the third fuse, and the fourth fuse. The second fuse is connected in series with the eleventh fuse, the twelfth fuse, and the thirteenth fuse and supplies power. At the same time, the eleventh fuse, the twelfth fuse, and the thirteenth fuse are power outputs for electrical equipment.

[0011] Preferably, in the low-voltage distribution box suitable for pure electric ships, the first fuse in the fuse is connected to the fifth relay in the control relay module, and the fifth relay controls the fourteenth fuse, the fifteenth fuse, the sixteenth fuse, the seventeenth fuse, and the eighteenth fuse to output power for electrical equipment; the eighteenth fuse controls the circuit power supply through the first relay, the second relay, the third relay and the fourth relay.

[0012] Preferably, in the low-voltage distribution box suitable for a pure electric ship, the fourth fuse is connected to the sixth relay, and the sixth relay controls the nineteenth fuse, the twentieth fuse, and the twenty-first fuse to output power for electrical equipment.

[0013] Preferably, in the low-voltage distribution box suitable for pure electric ships, the fifth fuse is a DC low-voltage 12V power input connected in parallel with the sixth and seventh fuses, and the sixth and seventh fuses are power outputs for electrical equipment.

[0014] Preferably, in the low-voltage distribution box suitable for a pure electric vessel, the connection plug is a waterproof connection plug.

[0015] Preferably, in the low-voltage distribution box suitable for pure electric ships, a dust cover is connected to the shell, and a sealing strip is provided between the two.

[0016] By means of the above solution, the present invention has at least the following advantages:

[0017] This utility model's miniaturized and integrated power distribution device occupies a small space and has high sealing, waterproof and dustproof properties. Its modular partitioning and layering facilitate visual inspection and convenient maintenance and repair operations. With single-sided wiring, the power distribution device can be flexibly arranged in a ship.

[0018] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and to implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 It is a structural diagram of the utility model;

[0021] Figure 2 yes Figure 1 Side view of;

[0022] Figure 3 This is a connection diagram of the low-voltage power distribution module and the control relay module of the utility model. DETAILED DESCRIPTION

[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Generally, the components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents selected embodiments of the present application. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in the present application without creative work are within the scope of protection of the present application.

[0025] Example

[0026] like Figure 1 、 Figure 2 and Figure 3As shown, a low-voltage distribution box suitable for pure electric ships includes a housing 1, a partition 2 is connected to the housing 1, and the partition 2 divides the housing 1 into an upper housing and a lower housing. The upper housing is connected to an integrated low-voltage power distribution module 3 and a control relay module 4, and the lower housing is connected to a connecting harness connecting the low-voltage power distribution module 3 and the control relay module 4. The outer side of the housing 1 is connected to a connecting plug 5 connected to the low-voltage power distribution module 3 and the control relay module 4;

[0027] The low-voltage power distribution module 3 includes several fuses, which are respectively arranged on the upper side and the lower side of the upper shell. The control relay module 4 includes several controllers, which are respectively arranged on the middle and right side of the upper shell.

[0028] The electrical equipment in the present invention includes but is not limited to batteries and cooling systems, motor drive systems, steering systems, lifting systems, instruments, and whole ship controller systems, all of which are known systems on ships.

[0029] The control relay performs logical control and distribution on various electrical equipment to achieve hierarchical power management.

[0030] Among them, the second fuse 32 is a DC low-voltage 24V power input, which is connected in parallel with the first fuse 31, the third fuse 33, and the fourth fuse 34. The second fuse 32 is connected in series with the eleventh fuse 311, the twelfth fuse 312, and the thirteenth fuse 313 to supply power. At the same time, the eleventh fuse 311, the twelfth fuse 312, and the thirteenth fuse 313 are power outputs for electrical equipment;

[0031] The first fuse 31 among the fuses is connected to the fifth relay 45 in the control relay module 4. At the same time, the fifth relay 45 controls the fourteenth fuse 314, the fifteenth fuse 315, the sixteenth fuse 316, the seventeenth fuse 317, and the eighteenth fuse 318 to output power for the electrical device; the eighteenth fuse 318 controls the circuit power supply through the first relay 41, the second relay 42, the third relay 43, and the fourth relay 44.

[0032] The fourth fuse 34 is connected to the sixth relay 46, and the sixth relay 46 controls the nineteenth fuse 319, the twentieth fuse 320, and the twenty-first fuse 321 to output power for electrical equipment;

[0033] The fifth fuse 35 is a DC low voltage 12V power input and is connected in parallel with the sixth and seventh fuses 36 and 37. The sixth and seventh fuses 36 and 37 are power outputs for electrical equipment.

[0034] The second fuse piece 32, the third fuse piece 33, the eleventh fuse piece 311, the twelfth fuse piece 312 and the thirteenth fuse piece 313 for the low-voltage power supply constitute a constant-fire power supply for electrical equipment;

[0035] The first fuse 31, the fifth relay 45, the fourteenth fuse 314, the fifteenth fuse 315, the sixteenth fuse 316, the seventeenth fuse 317, and the eighteenth fuse 318 for the low-voltage power supply serve as a controlled power supply for electrical equipment;

[0036] The fourth fuse 34, the sixth relay 46, the nineteenth fuse 319, the twentieth fuse 320, and the twenty-first fuse 321 for the low-voltage power supply serve as a controlled power supply for electrical equipment;

[0037] The fifth fuse 35, the sixth fuse 36, the seventh fuse 37, the first relay 41 and the second relay 42 are used for power supply insurance of the low-voltage power supply. The first relay 41 and the second relay 42 serve as a controlled power supply for electrical equipment.

[0038] The connecting plug 5 in the present invention is a waterproof connecting plug. A dustproof cover is connected to the housing 1, and a sealing strip is provided between the housing 1 and the housing 1 to improve waterproof and dustproof properties.

[0039] The shell is made of a material that is resistant to salt spray corrosion, and the materials selected above are all materials currently known to those skilled in the art.

[0040] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0041] In the description of this application, it should be noted that the terms "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the product of this application is typically placed when in use. These terms are intended solely to facilitate the description of this application and simplify the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," etc., etc., are used solely to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0042] In addition, the terms "horizontal" and "vertical" do not mean that the components must be absolutely horizontal or vertical, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0043] It should also be noted that, in the description of this application, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0044] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A low-voltage distribution box suitable for pure electric ships, characterized by: The invention comprises a housing (1), wherein a partition (2) is connected to the inside of the housing (1), wherein the partition (2) divides the housing (1) into an upper housing and a lower housing, wherein an integrated low-voltage power distribution module (3) and a control relay module (4) are connected to the inside of the upper housing, wherein a connecting wire harness connecting the low-voltage power distribution module (3) and the control relay module (4) is connected to the inside of the lower housing, and a connecting plug (5) connected to the low-voltage power distribution module (3) and the control relay module (4) is connected to the outside of the housing (1); The low-voltage power distribution module (3) includes a plurality of fuses, wherein the fuses are respectively arranged on the upper side and the lower side of the upper shell; the control relay module (4) includes a plurality of controllers, wherein the controllers are respectively arranged on the middle and right side of the upper shell.

2. A low-voltage distribution box suitable for pure electric ships according to claim 1, characterized in that: The second fuse (32) in the fuses is a DC low-voltage 24V power input, which is connected in parallel with the first fuse (31), the third fuse (33), and the fourth fuse (34). The second fuse (32) is connected in series with the eleventh fuse (311), the twelfth fuse (312), and the thirteenth fuse (313) and supplies power. At the same time, the eleventh fuse (311), the twelfth fuse (312), and the thirteenth fuse (313) are power outputs for electrical equipment.

3. A low-voltage distribution box suitable for a pure electric ship according to claim 1, characterized in that: The first fuse piece (31) in the fuse piece is connected to the fifth relay (45) in the control relay module (4), and the fifth relay (45) controls the fourteenth fuse piece (314), the fifteenth fuse piece (315), the sixteenth fuse piece (316), the seventeenth fuse piece (317), and the eighteenth fuse piece (318) to output power for the electrical equipment; the eighteenth fuse piece (318) controls the circuit power supply through the first relay (41), the second relay (42), the third relay (43), and the fourth relay (44).

4. A low-voltage distribution box suitable for a pure electric ship according to claim 1, characterized in that: The fourth fuse piece (34) is connected to the sixth relay (46), and the sixth relay (46) controls the nineteenth fuse piece (319), the twentieth fuse piece (320), and the twenty-first fuse piece (321) to output power for electrical equipment.

5. The low-voltage distribution box suitable for pure electric ships according to claim 1, characterized in that: The fifth fuse (35) is a DC low voltage 12V power input and is connected in parallel with the sixth fuse (36) and the seventh fuse (37). The sixth fuse (36) and the seventh fuse (37) are power outputs for electrical equipment.

6. A low-voltage distribution box suitable for a pure electric ship according to claim 1, characterized in that: The connecting plug (5) is a waterproof connecting plug.

7. A low-voltage distribution box suitable for a pure electric ship according to claim 1, characterized in that: The housing (1) is connected to a dust cover, and a sealing strip is provided between the two.

Citation Information

Patent Citations

  • Low-voltage power supply distribution box

    CN114069342A