CN113659403A

CN113659403A - High-voltage high-power servo controller bus bar

Info

Publication number: CN113659403A
Application number: CN202110830484.2A
Authority: CN
Inventors: 郑美媛; 黄建; 李晓斌; 肖中卓; 郑欢; 关平; 李勇; 胡亚鹏
Original assignee: Beijing Automation Control Equipment Institute BACEI
Current assignee: Beijing Automation Control Equipment Institute BACEI
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2021-11-16

Abstract

The invention provides a high-voltage high-power servo controller bus bar, which comprises a positive bus bar (1), a negative bus bar (5), an upper insulating upright post (3), a lower insulating upright post (2), an insulator (4) and an insulating support (6); the positive bus bar (1) is used for connecting and conducting the positive electrodes of the components, and the negative bus bar (5) is used for connecting and conducting the negative electrodes of the components; the positive bus bar (1) and the negative bus bar (5) respectively extend out of a plurality of pins and are used for conducting components to supply power to the components; the insulator (4) is used for separating the positive busbar (1) from the negative busbar (5) and preventing the busbars with different poles from being connected to cause short circuit; the upper insulating upright column (3) and the lower insulating upright column (2) are used in pairs to support and fix the busbar; and the insulating support (6) supports and fixes pins at the end part of the bus bar, and an opening is formed in the insulating support (6) and is used for being connected and fixed with the main shell. The invention simplifies the wiring, saves the cost and has high reliability.

Description

High-voltage high-power servo controller bus bar

Technical Field

The invention belongs to the technical field of spacecraft control, and particularly relates to a reliable busbar of a servo controller.

Background

With the development of spacecraft control technology towards high precision and intellectualization, more and more components and parts are arranged in a controller, wiring is increasingly complex, the problems of time cost, price cost, labor cost and reliability brought by the manufacture of cables are not neglected in preparation work, extra resistors and inductors are added to a system by too many and too long cables, so that an electric loop cannot achieve the expected function, and the method is particularly obvious in environments of using a large-capacitance-value capacitor and the like. Meanwhile, a large number of wiring terminals occupy a large amount of space, and welding wires in the controller are difficult to realize and cannot adapt to the complex installation environment in the controller. In addition, it is extremely difficult to realize one-to-many electrical connection using cables. In the assembly process, complex wiring work puts high demands on assembly personnel, even if the risk of wiring errors exists, the damage of components and the failure of a controller bring higher development cost. The outer diameter of the integrated multi-strand cable is difficult to estimate, so that the position and the path of the cable are difficult to accurately reserve in the previous design, the cable is extremely easy to be crowded and bent in a small radius during installation, the cable is easy to be damaged by the cable and the small radius, and extremely high unreliable factors are brought to the system.

Therefore, a high-reliability confluence integration technology of the high-voltage high-power servo controller is provided, the conduction between internal components under the complex servo controller can be realized, and the high-reliability confluence integration technology accords with industrial design and manufacturing.

Disclosure of Invention

The invention aims to provide a bus integrated bar for a high-voltage high-power servo controller, which simplifies wiring, saves cost and has high reliability.

A high-voltage high-power servo controller bus bar comprises a positive bus bar 1, a negative bus bar 5, an upper insulating upright post 3, a lower insulating upright post 2, an insulator 4 and an insulating support 6;

the positive bus bar 1 is used for connecting and conducting the positive electrodes of the components, and the negative bus bar 5 is used for connecting and conducting the negative electrodes of the components; the positive bus bar 1 and the negative bus bar 5 respectively extend out of a plurality of pins and are used for conducting components to supply power to the components;

the insulator 4 is used for separating the positive busbar 1 from the negative busbar 5 and preventing the busbars with different poles from being connected to cause short circuit;

the upper insulating upright column 3 and the lower insulating upright column 2 are used in pairs to support and fix the busbar;

and the insulating support 6 is used for supporting and fixing pins at the end part of the busbar, and an opening is formed in the insulating support 6 and is used for being connected and fixed with the main shell.

Further, the insulator 4 is positioned in the groove of the negative bus bar 5, and pins of the positive bus bar 5 and the negative bus bar 5 are in the same plane; the bottom surface central line of the negative bus bar 5 is sequentially provided with the lower insulating upright post 2, and the lower insulating upright post 2 is matched and positioned with the hole on the bottom surface central line of the negative bus bar 5 through a seam allowance on the lower insulating upright post 2.

Further, one end of the positive busbar and one end of the negative busbar are respectively provided with a leading-out terminal, and the leading-out terminals are provided with at least 2 pins for external lead connection.

Further, the threaded hole of the insulating support 6 is arranged corresponding to a pin at the leading-out end of the negative bus bar 5; the positive busbar 1 is correspondingly arranged according to the hole position of the insulator 4 and the threaded hole of the insulating support 6; install insulating stand 3 along on the top surface central line of positive busbar 1, can cooperate and fix a position with the hole on the top surface central line of positive busbar 1 through the tang on the insulating stand 3.

Compared with the prior art, the invention has the beneficial effects that:

the invention effectively solves the problem of complex wiring among components in the high-voltage high-power servo controller, simplifies the assembly process, optimizes the internal space of the controller, and is convenient for batch production of products due to good industrial design;

by the structural design method, unnecessary cable manufacturing is reduced, time cost, price cost and labor cost caused by cable manufacturing in the preparation working process are saved, and efficiency is improved;

according to the invention, the positive and negative current paths are separated by the insulation design, so that the problems of wiring errors, poor contact between a cable and a wiring terminal and the like are avoided, and the reliability of the system is improved;

according to the invention, the structural design is fully utilized, the components are conducted, the busbar assembly and the component assembly can be connected only by the screws, the complex installation caused by accumulation of cables due to overlarge turning radius of the cables is avoided, and the assembly accessibility and the system reliability are improved.

Drawings

FIG. 1 is a schematic three-dimensional assembly of the present invention.

Fig. 2 is an isometric view of the present invention.

Fig. 3 is a schematic view of a preferred embodiment of the present invention.

In the figure: 1-positive bus bar, 2-lower insulating column, 3-upper insulating column, 4-insulator, 5-negative bus bar and 6-insulating support.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The invention provides a high-reliability converging integrated row of a high-voltage high-power servo controller, which adopts the following technical scheme:

the high-voltage bus bar comprises a positive bus bar, a negative bus bar, an upper insulating stand column, a lower insulating stand column, an insulator and an insulating support.

The positive bus bar is used for connecting and conducting the positive electrode of the component, and the negative bus bar is used for connecting and conducting the negative electrode of the component.

Optionally, the positive bus bar and the negative bus bar are made of pure copper materials.

The insulator is used for separating the positive bus bar from the negative bus bar so as to effectively prevent the different-pole bus bars from being connected to cause short circuit.

Optionally, the insulator is made of polytetrafluoroethylene material or phenolic aldehyde laminated material.

The positive bus bar and the negative bus bar respectively extend out 14 pins and are used for conducting components to supply power to the components.

Go up insulating stand, lower insulating stand and be the use in pairs, total 5 pairs for play support and fixed effect to whole busbar under the prerequisite of guaranteeing to be insulating.

Insulating support for play support and fixed effect to 4 pins of busbar tip under the insulating prerequisite of assurance to extra trompil is used for being connected fixedly with the main casing body on insulating support, and both effectively having guaranteed switching on of components and parts, guaranteed the insulation of current path and the main casing body again. A similar method of support fixing applies to the remaining 24 pins.

As shown in fig. 1, the insulator 4 is pressed into the groove of the negative bus bar 5, the holes are aligned, and it should be noted that the insulator 4 is pressed down as much as possible to make the pins of the positive and negative bus bars in the same plane. And then 5 lower insulating upright posts 2 are sequentially arranged on the central line of the bottom surface of the negative bus bar 5, and can be matched and positioned with 5 holes on the central line of the bottom surface of the negative bus bar 5 through rabbets on the lower insulating upright posts 2. The accessible carries out preliminary fixed at insulating stand 2 down in the rubberizing method between negative busbar 5 and lower insulating stand 2 to guarantee that negative busbar 5 can not drop at insulating stand 2 under the assembling process.

One end of the positive bus bar and one end of the negative bus bar are respectively provided with a leading-out end which is provided with 2 pins and is used for external lead connection,

in order to ensure the reliable installation, the components can be installed after thread glue is coated in the threaded hole in advance.

Two threaded holes of the insulating support 6 are arranged corresponding to the pins at the leading end part of the negative bus bar 5, and simultaneously, countersunk holes of the insulating support 6 are ensured to be arranged corresponding to the threaded holes at the other two end parts on the mounting surface and are fixed on the mounting surface through screws. The positive busbar 1 is correspondingly arranged according to the hole position of the insulator 4 and the other two threaded holes of the insulating support 6. And then 5 upper insulating upright posts 3 are arranged along the central line of the top surface of the positive busbar 1, and can be matched and positioned with 5 holes on the central line of the top surface of the positive busbar 1 through rabbets on the upper insulating upright posts 3. The bus bar assembly is fixed on the mounting surface through the screws, and then preliminary assembly of the bus bar assembly can be completed.

Fig. 3 shows an embodiment of a busbar assembly. Positive and negative pins on the side surface of the bus are respectively 12 for connecting the IGBT module, and components such as a capacitor, a resistor and the like can be connected to the positive and negative pins in a bridging manner for stabilizing current. Each 2 positive and negative pins of tip still can be according to the in-service use demand for connect and pass through the binding post that the cable was drawn forth by other components and parts, fix binding post on insulating support 6 through the screw and can accomplish the assembly.

The above embodiments are only for explaining and explaining the technical solution of the present invention, but should not be construed as limiting the scope of the claims. It should be clear to those skilled in the art that any simple modification or replacement based on the technical solution of the present invention may be adopted to obtain a new technical solution, which falls within the scope of the present invention.

Claims

1. A high-voltage high-power servo controller bus bar is characterized by comprising a positive bus bar (1), a negative bus bar (5), an upper insulating upright post (3), a lower insulating upright post (2), an insulator (4) and an insulating support (6);

the positive bus bar (1) is used for connecting and conducting the positive electrodes of the components, and the negative bus bar (5) is used for connecting and conducting the negative electrodes of the components; the positive bus bar (1) and the negative bus bar (5) respectively extend out of a plurality of pins and are used for conducting components to supply power to the components;

the insulator (4) is used for separating the positive busbar (1) from the negative busbar (5) and preventing the busbars with different poles from being connected to cause short circuit;

the upper insulating upright column (3) and the lower insulating upright column (2) are used in pairs to support and fix the busbar;

and the insulating support (6) supports and fixes pins at the end part of the bus bar, and an opening is formed in the insulating support (6) and is used for being connected and fixed with the main shell.

2. A high voltage high power servo controller bus according to claim 1, wherein the insulator (4) is located in a groove of the negative bus (5), and the pins of the positive and negative bus (5) are in the same plane; the bottom surface central line of the negative bus bar (5) is sequentially provided with a lower insulating upright post (2), and the lower insulating upright post is matched and positioned with a hole on the bottom surface central line of the negative bus bar (5) through a seam allowance on the lower insulating upright post (2).

3. The high-voltage high-power servo controller bus bar according to claim 1, wherein one end of the positive bus bar and one end of the negative bus bar are respectively provided with an outlet, and the outlet has at least 2 pins for external lead connection.

4. The high-voltage high-power servo controller bus bar according to claim 1, wherein the threaded hole of the insulating support (6) is arranged corresponding to the pin at the leading end of the negative bus bar (5); the positive bus bar (1) is correspondingly arranged according to the hole position of the insulator (4) and the threaded hole of the insulating support (6); install insulating stand (3) along on the top surface central line of positive busbar (1), can cooperate and fix a position with the hole on the top surface central line of positive busbar (1) through the tang on last insulating stand (3).