CN216929765U

CN216929765U - Marine low-voltage generator junction box

Info

Publication number: CN216929765U
Application number: CN202220462098.2U
Authority: CN
Inventors: 陈凯; 李可雨; 郝家琪
Original assignee: Wuxi Daoerqi Baien Motor Co ltd
Current assignee: Wuxi Daoerqi Baien Motor Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-07-08
Anticipated expiration: 2032-03-03

Abstract

The utility model relates to the technical field of power generation, in particular to a junction box of a marine low-voltage generator, which comprises a shell and a mutual inductor, wherein an installation frame and a plurality of groups of wiring bars which are distributed in a stepped mode are arranged between two opposite side walls of the shell, the plurality of groups of wiring bars are all obliquely arranged, the inclination angles and the inclination directions of the wiring bars are the same, the installation frame is arranged in parallel to the bottom surface of the shell, one end of the mutual inductor is arranged on the installation frame, and the other end of the mutual inductor is connected with the shell. The shell of the junction box is kept with the proper strength through the reinforcement of the reinforcing beam and the reinforcing ribs; the wiring row adopts a step-type design, so that not only can materials be saved and the heat dissipation area be increased, but also the installation and wiring of the wiring copper bars can be facilitated; the installation frame is arranged on the same horizontal plane of the installation position of the mutual inductor, so that the vertically installed mutual inductor is protected by two supporting points, and the mutual inductor is fixed by the fixing plate, and therefore, the phenomenon that mechanical vibration causes the stress fracture of the mounting bolt of the mutual inductor due to overlarge stress can be avoided.

Description

Marine low-voltage generator junction box

Technical Field

The utility model relates to the technical field of power generation, in particular to a junction box of a marine low-voltage generator.

Background

The marine low-voltage generator junction box is characterized in that the required shunt cables are large in number due to the fact that rated current of the marine low-voltage generator junction box is too large, the arrangement of the conventional wiring copper bars is usually in a plane, the overall design size of the junction box is usually extremely large under the condition that the minimum requirements of electrical clearance and creepage distance are met, materials are wasted, cost management and control are not facilitated, and due to the fact that the coplanarity of the wiring copper bars and the number of the cables are too large, rapid wiring is not facilitated in the specific installation and debugging process. And the installation surface of the mutual inductor is vertical to the horizontal plane, so that the mutual inductor can be subjected to an additional moment in the actual work, and certain damage risk exists.

Disclosure of Invention

The utility model provides a junction box of a low-voltage generator for a ship, which solves at least one technical problem in the prior art.

The utility model adopts the following technical scheme: the utility model provides a marine low voltage generator terminal box, its characterized in that, includes casing and mutual-inductor, be provided with between two lateral walls that the casing is relative mounting bracket and multiunit and be cascaded wiring row of arranging, the multiunit the wiring row all inclines to set up and inclination and incline direction are the same, the mounting bracket is on a parallel with the bottom surface setting of casing, the one end setting of mutual-inductor is in on the mounting bracket, the other end with the casing is connected.

Furthermore, the terminal strip includes wiring board and insulated terminal, be provided with the connecting plate on two relative inside walls of casing, the connecting plate all inclines to set up, insulated terminal's one end with the connecting plate is connected, the other end with the wiring board is connected.

Furthermore, reinforcing ribs are arranged on the outer side of the side wall of the shell, and the reinforcing ribs are arranged on the outer side wall of the shell and correspond to the connecting plate.

Further, the mutual inductor sets up the upper surface of mounting bracket, the preceding terminal surface of mutual inductor with the terminal surface of mounting bracket flushes, mutual inductor and mounting bracket pass through the fixed plate is connected, the rear end of mutual inductor through accept the board with the casing is fixed.

Further, the mounting bracket comprises angle steel.

Further, a reinforcing beam is arranged between the two opposite side walls of the shell and is parallel to the mounting frame.

The utility model has the beneficial effects that: the structure of the utility model is simple and compact, and the shell of the junction box keeps the proper strength through the reinforcement of the reinforcing beam and the reinforcing ribs; the wiring row adopts a step-type design, so that not only can materials be saved and the heat dissipation area be increased, but also the installation and wiring of the wiring copper bars can be facilitated; the installation frame is arranged on the same horizontal plane of the installation position of the mutual inductor, so that the mutual inductor which is vertically installed is protected by two supporting points, and the mutual inductor is fixed by the fixing plate, and therefore the phenomenon that the stress fracture occurs due to the fact that mechanical vibration causes the mutual inductor installation bolt to be stressed too much can be avoided.

Drawings

Fig. 1 is a perspective view of an embodiment of the present invention.

Fig. 2 is a top view of an embodiment of the present invention.

Fig. 3 is a housing structure view of the embodiment of the present invention.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, shall fall within the protection scope of the present invention.

In an embodiment of the present invention, fig. 1 to 3 are schematic views provided according to a specific structure of a terminal box for a low voltage generator for a ship of the present invention. As shown in fig. 1 and 2, the utility model includes a housing 1 and a transformer 3, wherein at least three sets of wiring bars 2 arranged in a stepped manner are arranged between two opposite side walls of the housing 1, and two side walls provided with the wiring bars 2 are left and right side walls. The left and right side walls can adopt a step shape like the wiring block 2, and the side walls of the shell 1 in the step shape are beneficial to observation and recording in the actual operation process.

And a mounting rack 16 is also arranged between the left side wall and the right side wall, and the mounting rack 16 can adopt angle steel. The height of the mounting frame 16 is lower than that of the wiring bar 2, the mounting frame 16 is arranged in parallel to the bottom surface of the shell, one end of the mutual inductor 3 is arranged on the mounting frame 16, and the other end of the mutual inductor is connected with the shell 1. Specifically, mutual-inductor 3 sets up the upper surface of mounting bracket 16 to the drawing direction is the example, and the front end of mutual-inductor 3 erects at the installed part upper surface, mutual-inductor 3 preceding terminal surface with the terminal surface of mounting bracket 16 flushes, mutual-inductor 3 and mounting bracket 16 pass through fixed plate 4 is connected, mutual-inductor 3's rear end through accept board 15 with the back wall of casing 1 is fixed, mutual-inductor 3 can set up a plurality ofly side by side, and fixed plate 4 is fixed in the junction of two adjacent mutual-inductors 3.

The wiring bar 2 adopts a stepped design, so that materials can be saved, the heat dissipation area can be increased, and the installation and wiring of a wiring copper bar can be facilitated; the installation frame 16 is arranged on the same horizontal plane of the installation position of the mutual inductor 3, so that the vertically installed mutual inductor 3 is protected by two supporting points, and the mutual inductor 3 is fixed by the fixing plate 4, and therefore stress fracture caused by overlarge stress on the installation bolt of the mutual inductor 3 due to mechanical vibration can be avoided.

In one embodiment of the present invention, the terminal block 2 includes a terminal block 22 and an insulated terminal 21, the inner sides of two opposite side walls of the housing 1 are provided with connection plates 12, the connection plates 12 are both disposed obliquely, and one end of the insulated terminal 21 is connected to the connection plate 12, and the other end is connected to the terminal block 22. The connection of the terminal block 22 to the housing 1 via the insulated terminals 21 is of an insulated design, while the inclined arrangement of the connection plate 12 enables the inclined arrangement of the terminal block 2, serving to fix and support the terminal block 2. Specifically, a grounding plate 13 is arranged on one side wall, the grounding plate 13 is arranged below the connecting plate 12, and the grounding plate 13 is used for grounding when in wiring. The ground plate 13 is mounted on the left side wall of the housing 1 as viewed in the direction of the drawing.

In one embodiment of the present invention, as shown in fig. 3, the outer side of the side wall of the housing 1 is provided with a rib 17, and the rib 17 is provided on the outer side wall of the housing 1 and corresponds to the position and the number of the connecting plates 12. A reinforcing beam 11 is arranged between two opposite side walls of the shell 1, and the reinforcing beam 11 is parallel to the mounting rack 16. The housing 1 of the junction box maintains the proper strength through the reinforcement of the reinforcement beam 11 and the reinforcement rib 17.

Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims

1. The utility model provides a marine low voltage generator terminal box, its characterized in that includes casing (1) and mutual-inductor (3), be provided with between two lateral walls that casing (1) is relative mounting bracket (16) and at least three groups be cascaded wiring row (2) of arranging, all wiring row (2) all incline the setting and inclination and incline direction homogeneous phase, mounting bracket (16) are on a parallel with the bottom surface setting of casing (1), the one end setting of mutual-inductor (3) is in on mounting bracket (16), the other end with casing (1) is connected.

2. The marine low-voltage generator junction box according to claim 1, wherein the junction block (2) includes a junction block (22) and an insulating terminal (21), a connection plate (12) is provided inside opposite side walls of the housing (1), the connection plates (12) are each disposed obliquely, and one end of the insulating terminal (21) is connected to the connection plate (12) and the other end is connected to the junction block (22).

3. The marine low-voltage generator junction box according to claim 2, wherein the outer side of the side wall of the housing (1) is provided with ribs (17), and the ribs (17) are provided on the outer side wall of the housing (1) corresponding to the positions and the number of the connection plates (12).

4. The marine low-voltage generator junction box according to claim 1, wherein the transformer (3) is disposed on an upper surface of the mounting bracket (16), a front end surface of the transformer (3) is flush with an end surface of the mounting bracket (16), the transformer (3) and the mounting bracket (16) are connected by the fixing plate (4), and a rear end of the transformer (3) is fixed to the housing (1) by a receiving plate (15).

5. The marine low voltage generator junction box of claim 1, wherein the mounting bracket (16) comprises angle steel.

6. Marine low-voltage generator junction box according to claim 1, characterised in that a reinforcement beam (11) is arranged between two opposite side walls of the housing (1), the reinforcement beam (11) being parallel to the mounting frame (16).