阅读说明：本技术 一种伺服驱动器的直流母线排 (Direct current bus bar of servo driver ) 是由 唐红 刘波 汤小平 于 2021-09-26 设计创作，主要内容包括：本发明公开了一种伺服驱动器的直流母线排,包括母线正极铜排、母线负极铜排和绝缘膜,所述绝缘膜设置于所述母线正极铜排和母线负极铜排之间,所述母线正极铜排的两侧均设有正极固定脚,所述母线负极铜排的两侧均设有负极固定脚。通过绝缘膜将母线正极铜排和母线负极铜排绝缘隔离,避免了采用现有铜排搭接时需考虑绝缘的问题,性能更加可靠；正极固定脚与电机模块正极接线端子直连,负极固定脚与电机模块负极接线端子直连,取消了导线连接和现有铜排拼接的方式,使得结构更加紧凑,安装简单便捷,减少安装时间,相关成本也得到了很好的控制。(The invention discloses a direct-current bus bar of a servo driver, which comprises a bus anode copper bar, a bus cathode copper bar and an insulating film, wherein the insulating film is arranged between the bus anode copper bar and the bus cathode copper bar, anode fixing pins are arranged on two sides of the bus anode copper bar, and cathode fixing pins are arranged on two sides of the bus cathode copper bar. The bus anode copper bar and the bus cathode copper bar are isolated in an insulating way through the insulating film, so that the problem that insulation needs to be considered when the existing copper bars are lapped is avoided, and the performance is more reliable; the positive fixing pin is directly connected with the positive connecting terminal of the motor module, the negative fixing pin is directly connected with the negative connecting terminal of the motor module, and the mode of wire connection and the splicing of the existing copper bar is eliminated, so that the structure is more compact, the installation is simple and convenient, the installation time is reduced, and the related cost is also well controlled.)

1. The utility model provides a servo driver's direct current generating line row, its characterized in that, includes anodal copper bar of generating line, generating line negative pole copper bar and insulating film, the insulating film set up in between anodal copper bar of generating line and the generating line negative pole copper bar, the both sides of anodal copper bar of generating line all are equipped with anodal fixed foot, the both sides of generating line negative pole copper bar all are equipped with the fixed foot of negative pole.

2. The dc bus bar of servo driver as set forth in claim 1, wherein said insulating film has a breakdown voltage of 6000V, a normal operation withstand voltage of 2500V, and a thickness of 0.8-1.5 mm.

3. A dc bus bar of a servo driver according to claim 2, wherein the thickness of the insulating film is 1 mm.

4. The direct current bus bar of the servo driver as recited in claim 1, wherein the positive fixing pin facing the insulating film is disposed on a side of the bus negative copper bar facing away from the insulating film after passing through the insulating film, and the negative fixing pin facing the insulating film is disposed on a side of the bus positive copper bar facing away from the insulating film after passing through the insulating film.

5. The DC bus bar of servo driver of claim 4, wherein the positive fixing pins and the negative fixing pins are arranged in a staggered manner.

6. The direct current bus bar of the servo driver as claimed in claim 4, wherein the positive fixing pin is formed by bending and molding an integral structure of the bus positive copper bar, and the positive fixing pin is provided with a positive fixing hole.

7. The direct current bus bar of the servo driver as claimed in claim 4, wherein the negative fixing pin is formed by bending and molding an integral structure of the bus negative copper bar, and the negative fixing pin is provided with a negative fixing hole.

8. The DC bus bar of a servo driver according to claim 4, wherein the insulating film is provided with perforations corresponding to positions of the positive and negative fixing pins toward a side of the insulating film.

9. The direct current bus bar of the servo driver as recited in claim 1, wherein the length of the bus negative copper bar is longer than the length of the bus positive copper bar.

10. The direct current bus bar of the servo driver as claimed in claim 1, wherein the insulating film is fixed to the bus bar negative electrode copper bar by plastic rivets.

Technical Field

The invention relates to the technical field of network equipment, in particular to a direct-current bus bar of a servo driver.

Background

In the multi-axis servo driver, each motor module needs to be electrically connected with the positive electrode and the negative electrode of the power supply module. In general structural design, two structures of conducting wires or copper bars can be used. Due to the large current, the wire connection is used, the diameter of the wire is thick, the number of wires is large, and the installation is difficult. Use standard copper bar to connect, have above-mentioned problem equally, the copper bar needs the overlap joint, still need consider positive negative pole insulating, and structural design has very big challenge, even designs out the structure, and the installation equally can be difficult. There is a need for a device or structure for electrically connecting the positive and negative electrodes of a power module with a motor module, which has a simple structure and is easy to assemble and disassemble.

Disclosure of Invention

Therefore, the present invention provides a dc bus bar of a servo driver to solve the above technical problems.

In order to achieve the above purpose, the invention provides the following technical scheme:

the utility model provides a servo driver's direct current generating line row, includes anodal copper bar of generating line, generating line negative pole copper bar and insulating film, the insulating film set up in between anodal copper bar of generating line and the generating line negative pole copper bar, the both sides of anodal copper bar of generating line all are equipped with anodal fixed foot, the both sides of generating line negative pole copper bar all are equipped with the fixed foot of negative pole.

Further, the breakdown voltage of the insulating film is 6000V, the normal operation withstand voltage is 2500V, and the thickness of the insulating film is 0.8-1.5 mm.

Further, the thickness of the insulating film is 1 mm.

Furthermore, the positive fixing pin facing one side of the insulating film penetrates through the insulating film and then is arranged on one side, deviating from the insulating film, of the bus negative copper bar, and the negative fixing pin facing one side of the insulating film penetrates through the insulating film and then is arranged on one side, deviating from the insulating film, of the bus positive copper bar.

Further, the positive electrode fixing pins and the negative electrode fixing pins are arranged in a staggered mode.

Furthermore, the positive fixing pin is formed by bending the bus positive copper bar integrated structure, and the positive fixing pin is provided with a positive fixing hole.

Further, the negative pole fixed foot in the shaping is buckled to generating line negative pole copper bar integral structure, the negative pole fixed foot is equipped with the negative pole fixed orifices.

Further, the insulating film is provided with through holes at positions corresponding to positions of the positive electrode fixing leg and the negative electrode fixing leg on a side facing the insulating film.

Further, the length of the bus negative electrode copper bar is longer than that of the bus positive electrode copper bar.

Further, the insulating film and the bus negative electrode copper bar are fixed through plastic rivets.

The invention has the following advantages:

the bus anode copper bar and the bus cathode copper bar are isolated in an insulating way through the insulating film, so that the problem that insulation needs to be considered when the existing copper bars are lapped is avoided, and the performance is more reliable; the positive fixing pin is directly connected with the positive connecting terminal of the motor module, the negative fixing pin is directly connected with the negative connecting terminal of the motor module, and the mode of wire connection and the splicing of the existing copper bar is eliminated, so that the structure is more compact, the installation is simple and convenient, the installation time is reduced, and the related cost is also well controlled.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope covered by the contents disclosed in the present invention.

FIG. 1 is an exploded view of a DC bus bar of a servo drive according to an embodiment of the present invention;

FIG. 2 is an assembled schematic view of a DC bus bar of a servo driver according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a bus positive electrode copper bar of a dc bus bar of a servo driver according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a bus negative electrode copper bar of a dc bus bar of a servo driver according to an embodiment of the present invention.

In the figure:

1-a bus positive copper bar, 11-a positive fixing pin and 12-a positive fixing hole;

2-bus negative copper bar, 21-negative fixing pin, 22-negative fixing hole, 23-rivet hole;

3-insulating film, 31-via;

4-plastic rivet.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship may be made without substantial changes in the technical content.

As shown in fig. 1-4, the present embodiment provides a dc bus bar of a servo driver, which utilizes a special-shaped copper bar to match with a high-voltage insulating film, and has a simple structure and is easy to assemble and disassemble. The bus anode copper bar mainly comprises a bus anode copper bar 1, a bus cathode copper bar 2 and an insulating film 3.

The bus positive copper bar 1 is made of copper plate, and the left side and the right side of the bus positive copper bar are respectively provided with three positive fixing feet 11. Generally, the positive electrode fixing leg 11 and the bus positive electrode copper bar 1 are integrally formed by bending, for example, six protruding pieces are integrally connected to the lower edge of the copper plate, the protruding pieces are bent leftwards or rightwards to form the positive electrode fixing leg 11, and the six positive electrode fixing legs 11 are alternately distributed leftwards and rightwards. The positive fixing pin 11 is provided with a positive fixing hole 12 which is electrically connected with a positive connecting terminal of the motor module, and the positive fixing hole 12 can be a round hole with the diameter of 4.5 mm.

The bus negative copper bar 2 is made of copper plate, and the left side and the right side of the bus negative copper bar are respectively provided with three negative fixing feet 21. Generally, the negative electrode fixing leg 21 and the bus negative electrode copper bar 2 are integrally formed by bending, for example, six protruding pieces are integrally connected to the lower edge of the copper plate, the protruding pieces are bent leftwards or rightwards to form the negative electrode fixing leg 21, and the six negative electrode fixing legs 21 are alternately distributed leftwards and rightwards. The negative fixing pin 21 is provided with a negative fixing hole 22 for electrical connection with a negative terminal of the motor module, and the negative fixing hole 22 may be a circular hole with a diameter of 4.5 mm. The length of the bus negative electrode copper bar 2 is longer than that of the bus positive electrode copper bar 1.

The insulating film 3 is a high voltage insulating film having a breakdown voltage of 6000V, a normal operation withstand voltage of 2500V, and a thickness of the insulating film 3 of 0.8 to 1.5mm, preferably 1 mm. Insulating film 3 sets up between anodal copper bar 1 of generating line and generating line negative pole copper bar 2, and insulating film 3 passes through plastic rivet 4 with generating line negative pole copper bar 2 fixed, for example: rivet holes 23 with the diameter of 2.5mm are formed in the corresponding positions of the bus negative electrode copper bar 2 and the insulating film 3, and the high-voltage insulating film 3 is fixed on the bus negative electrode copper bar 2 through plastic rivets 4.

The positive fixing pin 11 facing one side of the insulating film 3 penetrates through the insulating film 3 and is arranged on one side, away from the insulating film 3, of the bus negative copper bar 2, and the negative fixing pin 21 facing one side of the insulating film 3 penetrates through the insulating film 3 and is arranged on one side, away from the insulating film 3, of the bus positive copper bar 1; the insulating film 3 is provided with through holes 31, and the positions of the through holes 31 correspond to the positions of the positive electrode fixing legs 11 and the negative electrode fixing legs 21 on the side facing the insulating film 3. Explaining that the bus anode copper bar 1 is arranged on the right side and the bus cathode copper bar 2 is arranged on the left side, when the bus anode copper bar 1 and the bus cathode copper bar 2 are assembled, 3 left anode fixing pins 11 of the bus anode copper bar 1 penetrate through the insulating film 3 and then are positioned on the left side of the bus cathode copper bar 2, and the 3 left anode fixing pins 11 of the bus anode copper bar 1 and 3 left cathode fixing pins 21 of the bus cathode copper bar 2 are arranged in a staggered mode; the 3 right negative fixing feet 21 of the bus negative copper bar 2 penetrate through the insulating film 3 and then are positioned on the right side of the bus positive copper bar 1, and the 3 right negative fixing feet 21 of the bus negative copper bar 2 and the 3 right positive fixing feet 11 of the bus positive copper bar 1 are arranged in a staggered mode; on the whole, 6 anodal fixed feet 11 and 6 negative pole fixed feet 21 also are the staggered arrangement, 12 fixed feet staggered arrangement promptly, have realized the up-down symmetrical distribution of motor module.

The bus anode copper bar 1 and the bus cathode copper bar 2 are insulated and isolated through the insulating film 3, so that the problem that insulation needs to be considered when the existing copper bars are lapped is avoided, and the performance is more reliable; the positive fixing pin 11 is directly connected with a positive connecting terminal of the motor module, the negative fixing pin 21 is directly connected with a negative connecting terminal of the motor module, and a wire connection and existing copper bar splicing mode is omitted, so that the structure is more compact, the installation is simple and convenient, the installation time is reduced, and related costs (time cost, labor cost, maintenance cost and the like) are well controlled.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.