阅读说明：本技术 一种内部采用直流母线板的多轴一体化伺服驱动器 (Multi-shaft integrated servo driver with internal DC bus plate ) 是由 张振楠 刘波 汤小平 于 2021-09-16 设计创作，主要内容包括：本发明公开了一种内部采用直流母线板的多轴一体化伺服驱动器,所述驱动器内部包括：电源板、直流母线板、功率板,所述电源板通过直流母线与直流母线板连接,所述直流母线板与功率板连接,通过直流母线板实现电源板向功率板的电源传输,本发明解决了现有驱动器内部空间占用大、成本高的问题。(The invention discloses a multi-shaft integrated servo driver with a direct-current bus plate adopted inside, which comprises: the driver comprises a power panel, a direct current bus board and a power board, wherein the power panel is connected with the direct current bus board through a direct current bus, the direct current bus board is connected with the power board, and power transmission from the power panel to the power board is realized through the direct current bus board.)

1. A multi-shaft integrated servo driver internally adopting a direct current bus plate is characterized in that the driver internally comprises: the power panel is connected with the direct current bus board through a direct current bus, the direct current bus board is connected with the power board, and power transmission from the power panel to the power board is achieved through the direct current bus board.

2. The multi-axis integrated servo driver having a dc bus board built therein as claimed in claim 1, wherein said dc bus board comprises: the first direct current bus board and the second direct current bus board are respectively arranged at two ends of the power panel.

3. The multi-axis integrated servo driver with a dc bus board built therein as claimed in claim 1, wherein the power board comprises: the power plate comprises a first shaft power plate, a second shaft power plate, a third shaft power plate and a fourth shaft power plate, wherein the first shaft power plate and the third shaft power plate are arranged adjacent to the first direct-current bus plate, the second shaft power plate and the fourth shaft power plate are arranged adjacent to the second direct-current bus plate, and a power supply input port and a motor output port are formed in each power plate.

4. The multi-axis integrated servo driver internally adopting a dc bus board as set forth in claim 2, wherein the first dc bus board connects both positive and negative terminals of the dc power of the power board to the shaft-one power board and the shaft-three power board, and the second dc bus board connects both positive and negative terminals of the dc power of the power board to the shaft-two power board and the shaft-four power board.

5. The multi-axis integrated servo driver with the internal DC bus bar of claim 1, wherein the positive terminal of the power board is P, the negative terminal of the power board is N, the P terminal and the N terminal of the DC bus bar are output to the DC bus bar board through the double-row seats on the power board, and the P terminal and the N terminal are respectively transmitted on the top layer and the bottom layer of the DC bus bar board.

6. The multi-shaft integrated servo driver internally adopting the DC bus plate as claimed in claim 5, wherein the DC bus plate is connected with the double-row seats on the power plate in an opposite insertion way through double-row pins, and the current of the P end and the N end on the DC bus plate is transmitted to the power plate.

7. The multi-axis integrated servo driver internally adopting a dc bus board as set forth in claim 1, wherein the dc bus board is fixed to the power board and the power board by means of a stud and a screw.

8. The multi-axis integrated servo driver internally adopting a DC bus board as claimed in claim 1, wherein the DC bus board is based on FR4 printed circuit board, P terminal and N terminal are respectively transmitted through copper-clad layers on the top and bottom layers, and the two high voltage networks of P terminal and N terminal are set to a safety distance of 3 mm.

9. The multi-axis integrated servo driver with a DC bus board as claimed in claim 1, wherein a control board is installed above the power board.

Technical Field

The invention relates to the technical field of electric energy transmission, in particular to a multi-shaft integrated servo driver with a direct-current bus plate adopted inside.

Background

The servo driving system is internally composed of a radiator, a main control panel, a power panel and the like capable of controlling a plurality of shafts, wherein the power panel provides direct current power for the power panels of the shafts, most of the power panels and the power panels can be designed on the same PCB, but the design mode has the defects that the output power of each shaft is the same, and the whole size of the equipment is larger.

For a more flexible design scheme, the size of the machine body of the multi-shaft integrated servo driving system is very compact, a multi-shaft modularized integrated design is adopted, the power plates of all shafts are respectively designed according to different shaft capacities and functions, the free combination of the power plates is realized, and meanwhile, the machine body is thinner and smaller in size.

Also, the problem that this design method brings is how to transmit the dc power between the power board and the power board, and between the power board and the power board reliably and safely, and because the dc power is a high voltage 220V dc power, it is necessary to consider not only whether the current capacity can meet the requirements of each shaft, but also the high voltage and the low voltage and the safe distance between the high voltage and the housing.

Disclosure of Invention

Therefore, the invention provides a multi-shaft integrated servo driver internally adopting a direct-current bus plate, and aims to solve the problems of large internal space occupation and high cost of the conventional driver.

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

the invention discloses a multi-shaft integrated servo driver with a direct-current bus plate adopted inside, which comprises: the power panel is connected with the direct current bus board through a direct current bus, the direct current bus board is connected with the power board, and power transmission from the power panel to the power board is achieved through the direct current bus board.

Further, the dc bus bar includes: the first direct current bus board and the second direct current bus board are respectively arranged at two ends of the power panel.

Further, the power board includes: the power plate comprises a first shaft power plate, a second shaft power plate, a third shaft power plate and a fourth shaft power plate, wherein the first shaft power plate and the third shaft power plate are arranged adjacent to the first direct-current bus plate, the second shaft power plate and the fourth shaft power plate are arranged adjacent to the second direct-current bus plate, and a power supply input port and a motor output port are formed in each power plate.

Further, the first direct current bus board connects the positive and negative ends of the direct current power supply of the power board to the first shaft power board and the third shaft power board, and the second direct current bus board connects the positive and negative ends of the direct current power supply of the power board to the second shaft power board and the fourth shaft power board.

Furthermore, the positive end of the power panel is P, the negative end of the power panel is N, the P end and the N end of the direct current bus are output to the direct current bus panel through the double-row seats on the power panel, and the P end and the N end are respectively transmitted on the top layer and the bottom layer of the direct current bus panel.

Furthermore, the direct current bus board is connected with the double-row seats on the power board through the double-row pins in an inserting mode, and currents of the P end and the N end on the direct current bus board are transmitted to the power board.

Further, the direct current bus board is fixed on the power board and the power board through studs and screws.

Further, the direct current bus board is based on an FR4 printed circuit board, the P end and the N end are respectively transmitted through copper-clad layers on the top layer and the bottom layer, and a safety distance of 3mm is set for two high-voltage networks of the P end and the N end.

Further, a control board is arranged above the power board.

The invention has the following advantages:

the invention discloses a multi-shaft integrated servo driver internally adopting a direct current bus board, which is connected with the direct current bus board through a power board, the direct current bus board is connected with a power board, and the space inside equipment can be fully utilized by adopting the connection mode of the direct current bus board; the direct current bus board can be designed into a required form according to the positions of the power board and the power board, and is flexible; only two power supply networks of P and N are arranged on the direct current bus board, the requirements can be met by adopting a double-layer board, and compared with a customized bus copper bar, the cost of the double-layer PCB is greatly reduced.

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 as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, 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 effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

FIG. 1 is a schematic structural diagram of a multi-axis integrated servo driver with a DC bus board inside according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the distribution of the internal interfaces of a multi-axis integrated servo driver with a DC bus board inside according to an embodiment of the present invention;

FIG. 3 is a view showing a structure of a first DC bus bar according to an embodiment of the present invention;

FIG. 4 is a view showing a structure of a second DC bus bar according to an embodiment of the present invention;

in the figure: the power supply comprises a power supply board 1, a first direct current bus board 2, a second direct current bus board 3, a first power board 4, a second power board 5, a third power board 6, a fourth power board 7, a control board 8, a power input port 9, a motor output port 10, a power input port 11, a motor output port 12, a power input port 13, a motor output port 14, a four power input port 15, a four motor output port 16 and a screw 17.

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.

Examples

Referring to fig. 1, the present embodiment discloses a multi-axis integrated servo driver using a dc bus board inside, the driver includes: the power panel 1 is connected with the direct current bus board through a direct current bus, the direct current bus board is connected with the power board, and power transmission from the power panel 1 to the power board is achieved through the direct current bus board.

The DC bus-bar board includes: the power supply comprises a first direct current bus board 2 and a second direct current bus board 3, wherein the first direct current bus board 2 and the second direct current bus board 3 are respectively arranged at two ends of a power supply board 1; two 12-pin double-row pins and two 8-pin double-row pins are arranged on the direct current bus board and are respectively connected with the power panel 1 and the power board.

The power board includes: the shaft-type power board comprises a shaft-type power board 4, a shaft-type two power board 5, a shaft-type three power board 6 and a shaft-type four power board 7, wherein the shaft-type one power board 4 and the shaft-type three power board 6 are arranged adjacent to a first direct-current bus board 2, the shaft-type two power board 5 and the shaft-type four power board 7 are arranged adjacent to a second direct-current bus board 3, and a power supply input port and a motor output port are arranged on each power board. Referring to fig. 2, a shaft two power input port 11, a shaft two motor output port 12, a shaft four power input port 15 and a shaft four motor output port 16 are arranged above the power panel 1; a shaft-one power supply input port 9, a shaft-one motor output port 10, a shaft-three power supply input port 13 and a shaft-three motor output port 14 are arranged below the power supply board 1. Referring to fig. 3 and 4, the first dc bus board 2 connects both positive and negative terminals of the dc power of the power board 1 to the shaft one power board 4 and the shaft three power board 6, and the second dc bus board 3 connects both positive and negative terminals of the dc power of the power board 1 to the shaft two power board 5 and the shaft four power board 7.

The positive end of the power panel 1 is P, the negative end is N, the P end and the N end of the direct current bus are output to the direct current bus panel through the double-row seats on the power panel 1, and the P end and the N end are respectively transmitted on the top layer and the bottom layer of the direct current bus panel. 12-pin double-row pins are arranged on the direct current bus board, 12-hole double-row seats are arranged on the power board 1, and the power board 1 is connected with the direct current bus board by inserting the 12-pin double-row pins into the 12-hole double-row seats.

The direct current bus board is connected with the double-row seats on the power board in an opposite inserting mode through the double-row pins, and current of the P end and the N end on the direct current bus board is transmitted to the power board. The direct current bus board is provided with 8-pin double-row pins, the electric power board is provided with 8-hole double-row seats, and the power board is connected with the direct current bus board by inserting the 8-pin double-row pins into the 8-hole double-row seats. The double-row pins are selected for connection between the plates, and the cost is saved mainly due to low price.

The direct current bus board is fixed on the power board and the power board 1 through the stud and the screw 17, so that the installation is convenient, the fixed connection effect is realized between the power board 1 and the power board, and the reliability of the system is improved.

The direct current bus board is based on an FR4 printed circuit board, the P end and the N end are respectively transmitted through copper-clad layers on the top layer and the bottom layer, and the safe distance of 3mm is set for the two high-voltage networks of the P end and the N end. And a control board 8 is arranged above the power board.

The multi-shaft integrated servo driver internally adopting the direct current bus board disclosed by the embodiment is connected with the direct current bus board through the power board 1, the direct current bus board is connected with the power board, and the space inside equipment can be fully utilized by adopting the connection mode of the direct current bus board; the direct current bus board can be designed into a required form according to the positions of the power board and the power board 1, and is flexible; only two power supply networks of P and N are arranged on the direct current bus board, the requirements can be met by adopting a double-layer board, and compared with a customized bus copper bar, the cost of the double-layer PCB is greatly reduced.

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.