CN219248366U

CN219248366U - Servo driving device of three-board card structure

Info

Publication number: CN219248366U
Application number: CN202223601540.4U
Authority: CN
Inventors: 胡虎
Original assignee: Shanghai Inno Drive Electric Co ltd; Suzhou Zhiyuan Electric Technology Co ltd
Current assignee: Shanghai Inno Drive Electric Co ltd; Suzhou Zhiyuan Electric Technology Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-23
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to the technical field of industrial automation and discloses a servo driving device with a three-board card structure, which comprises a heat radiating plate, a driving circuit board, a switching power board and a control board, wherein the heat radiating plate, the driving circuit board, the switching power board and the control board are sequentially and uniformly arranged from bottom to top, and the heat radiating plate, the driving circuit board, the switching power board and the control board are all kept at a certain interval and are fixedly connected; the device has solved servo drive device interval that ordinary three integrated circuit board constructs little, safe voltage interval is little, and the reliability that leads to reduces, and the too big technical problem that leads to be difficult for installing and use of volume through dividing traditional power loop circuit board into drive circuit board and switch power strip according to the function, has reached and has kept certain safe distance between the three integrated circuit board, guarantees the technological effect of steady operation.

Description

Servo driving device of three-board card structure

Technical Field

The utility model relates to the technical field of industrial automation, in particular to a servo driving device with a three-board card structure.

Background

The servo driver is a device for driving and controlling the servo motor, and drivers with different powers correspond to motors with different powers, and the drivers with different powers increase the size of a required rectifier bridge along with the current increase of a power main loop, and the size of an inversion module, the number of bus capacitors, the distance between devices, the distance between safety voltages and the like are all increased.

At present, the servo driving device of the common three-board card structure in the market is of a single board or double-board structure, and the servo driving device of the three-board card structure has the following problems for a servo driver with relatively large power:

1. the power part is concentrated on one board, so that the device interval is small, the safety voltage interval is small, the planar power density is high, the electromagnetic compatibility is tolerant, and the reliability is reduced.

2. The power part is concentrated on one board, so that the area of the circuit board is large, and the size of the driver is large, so that the driver is not easy to install and use.

3. As the volume of the driver increases, the heat sink, the housing, and the like also increase, and the cost increases.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a servo driving device with a three-board card structure.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a servo drive device of three integrated circuit boards structure, includes heating panel, drive circuit board, switch power strip and control panel, heating panel, drive circuit board, switch power strip and control panel from bottom to top evenly arrange in proper order, heating panel, drive circuit board, switch power strip and control panel all keep certain interval and fixed connection each other.

The utility model is further provided with: the control panel top swing joint has the plastics apron, one corner of plastics apron is provided with the breach, swing joint has flip in the breach of plastics apron.

The utility model is further provided with: the control panel comprises a key display and IO terminals, the key display is fixedly connected to the control panel, the key display is located under the flip cover, and the IO terminals are fixedly connected to the middle of the control panel.

The utility model is further provided with: the switch power panel comprises a grounding terminal and a transformer, wherein the transformer is fixedly connected to the middle of the switch power panel, and the grounding terminal is fixedly connected to one end of the switch power panel.

The utility model is further provided with: the driving circuit board comprises a power terminal and an input terminal, and the power terminal and the input terminal are uniformly arranged on the driving circuit board and fixedly connected.

The utility model has the following advantages:

1. the device divides the traditional power circuit board into the driving circuit board and the switch power board according to the functions, reduces the volume by 30% compared with the traditional two-layer board structure, and is favorable for the installation of the electric control cabinet.

2. The device dispersedly installs each element, reduces the power density of the main loop, and improves the safety voltage distance and the current output capability; the influence on current sampling during the working of the switching power supply is reduced, the current sampling precision required by servo control is improved, the control precision of the servo motor is facilitated, and torque pulsation and speed fluctuation are reduced.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the present utility model;

FIG. 3 is a side view of the present utility model;

in the figure: 1. a heat dissipation plate; 2. a driving circuit board; 21. a power terminal; 22. an input terminal; 3. a switching power panel; 31. a ground terminal; 32. a transformer; 4. a control board; 41. a key display; 42. an IO terminal; 5. a flip cover; 6. a plastic cover plate.

Detailed Description

It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.

Referring to fig. 1-3, the present utility model provides the following technical solutions:

the servo driving device comprises a heat radiation plate 1, a driving circuit board 2, a switching power panel 3 and a control panel 4, wherein the heat radiation plate 1, the driving circuit board 2, the switching power panel 3 and the control panel 4 are sequentially and uniformly arranged from bottom to top, and the heat radiation plate 1, the driving circuit board 2, the switching power panel 3 and the control panel 4 are all kept at a certain interval and fixedly connected; the device adopts the traditional power circuit board as the driving circuit board and the switching power board according to the function division, the servo driving design of the three boards overcomes the problem of the structural design of the traditional single board or the double boards in the power density, can realize higher working reliability and stability, improves the electromagnetic compatibility of the driver, avoids the electromagnetic interference between different functional circuits, improves the precision of voltage and current signal sampling, is beneficial to realizing better servo control effect and improves the working reliability of an inversion circuit; and effectively reduce the volume of driver, than original 30% less, be convenient for the switch board installation.

A plastic cover plate 6 is movably connected above the control plate 4, a notch is arranged at one corner of the plastic cover plate 6, and a flip cover 5 is movably connected in the notch of the plastic cover plate 6; the plastic cover plate 6 is used for protecting a circuit board below, the flip cover 5 is positioned above the key display 41, and the key display 41 can be checked or operated by opening the flip cover 5.

The control panel 4 comprises a key display 41 and an IO terminal 42, the key display 41 is fixedly connected to the control panel 4, the key display 41 is positioned under the flip 5, and the IO terminal 42 is fixedly connected to the middle part of the control panel 4;

the switch power panel 3 comprises a grounding terminal 31 and a transformer 32, the transformer 32 is fixedly connected to the middle part of the switch power panel 3, and the grounding terminal 31 is fixedly connected to one end of the switch power panel 3; the switch power panel is mainly responsible for working a reverse pole type isolation power circuit, outputting 5V and 15V to the control panel and outputting 15VN and 24V to the driving panel; the switching power panel is used as an intermediate laminate card to reliably transmit PWM signals, voltage and current detection, protection signals, braking signals and the like between the control panel and the driving panel.

The driving circuit board 2 comprises a power terminal 21 and an input terminal 22, and the power terminal 21 and the input terminal 22 are uniformly arranged on the driving circuit board 2 and fixedly connected; the driving circuit board is mainly responsible for functions such as rectification, bus energy storage, inversion, release braking, voltage detection, current detection, fan driving and the like.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. A servo driving device of a three-board card structure is characterized in that: including heating panel (1), drive circuit board (2), switch power strip (3) and control panel (4), heating panel (1), drive circuit board (2), switch power strip (3) and control panel (4) are from bottom to top evenly arranged in proper order, heating panel (1), drive circuit board (2), switch power strip (3) and control panel (4) all keep certain interval and fixed connection each other.

2. The servo drive device of a three-board card structure according to claim 1, wherein: the plastic cover plate (6) is movably connected above the control board (4), a notch is formed in one corner of the plastic cover plate (6), and a flip (5) is movably connected in the notch of the plastic cover plate (6).

3. The servo drive device of a three-board card structure according to claim 2, wherein: the control panel (4) comprises a key display (41) and IO terminals (42), wherein the key display (41) is fixedly connected to the control panel (4), the key display (41) is located under the flip (5), and the IO terminals (42) are fixedly connected to the middle of the control panel (4).

4. A three-card servo drive device as claimed in claim 3, wherein: the switch power panel (3) comprises a grounding terminal (31) and a transformer (32), wherein the transformer (32) is fixedly connected to the middle of the switch power panel (3), and the grounding terminal (31) is fixedly connected to one end of the switch power panel (3).

5. The servo drive device of a three-board card structure according to claim 4, wherein: the driving circuit board (2) comprises a power terminal (21) and an input terminal (22), and the power terminal (21) and the input terminal (22) are uniformly arranged on the driving circuit board (2) and fixedly connected.