Servo driver

Abstract

The servo driver comprises a radiator, a power board assembly is installed on one side of a substrate of the radiator through a supporting piece, a control board assembly is installed above the power board assembly through a supporting piece, and the power board assembly and the control board assembly are electrically connected. A power loop adapter plate and a control loop adapter plate are indirectly installed on one side of the power board assembly through a connector, the power board assembly is further connected with a plurality of electrolytic capacitors, a power loop wiring port is formed in the power loop adapter plate, and a control loop wiring port is formed in the control loop adapter plate; according to the utility model, the structure layout is reasonable, the connector and the wiring terminal on the panel of the traditional electric cabinet are directly arranged on the servo driver, most of cable connections in the electric cabinet are cancelled, the overall volume of the electric cabinet is effectively reduced, the cost is reduced, and the installation and maintenance are more concise and convenient; and meanwhile, the special requirements of different equipment manufacturers on cables and connectors can be realized only by replacing the adapter plate, so that trouble, time and labor are saved.

Description

Technical Field

[0001] The utility model relates to a driver, in particular to a servo driver. Background Art

[0002] Currently, most servo drive products are installed in an electrical cabinet at the application site.

[0003] Various connectors and terminals are installed on the panel of the electric cabinet. These connectors and terminals are electrically connected to other devices through cables outside the electric cabinet, and are electrically connected to the servo drive through cables inside the electric cabinet. However, due to the differences in the brand / structure / quantity of cables and connectors used by each equipment manufacturer, the servo drive inside the electric cabinet must be transferred through the connectors and terminals on the panel of the electric cabinet, resulting in a large number of types and quantities of transfer cables inside the electric cabinet, messy connections, and a large overall size and high cost of the electric cabinet, which is extremely inconvenient to install and maintain. Utility Model Content

[0004] In order to solve the deficiencies existing in the above-mentioned technology, the utility model provides a servo driver.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: including a radiator, a power board assembly is installed on one side of the substrate of the radiator through a support member interval, a control board assembly is installed above the power board assembly through a support member interval and the two are electrically connected, and a power circuit adapter board and a control circuit adapter board are also indirectly installed on one side of the power board assembly through a connector installed thereon, the power board assembly is also connected to a number of electrolytic capacitors, a power circuit wiring port is provided on the power circuit adapter board, and a control circuit wiring port is provided on the control circuit adapter board.

[0006] Furthermore, the power device of the power board assembly disposed between the power board assembly and the heat sink is arranged in close contact with the heat sink.

[0007] Furthermore, the connector is arranged on the upper surface of the power board assembly and the two are perpendicular to each other, and the power circuit adapter board and the control circuit adapter board are also perpendicular to the power board assembly respectively.

[0008] Furthermore, the power board assembly and the control board assembly are arranged parallel to each other, and the control board assembly is electrically connected to the power board assembly via a pin header and a female header.

[0009] Furthermore, the power circuit connection port includes power terminals and encoder terminals which are spaced and arranged in parallel in the horizontal direction.

[0010] Furthermore, the control loop wiring port includes a wiring terminal and a communication network port.

[0011] Furthermore, the power terminals, encoder terminals, wiring terminals, and communication network ports are all implemented in a manner of being connected through an external electrical cabinet panel.

[0012] The utility model discloses a servo driver. Through reasonable structural layout, most of the connectors and wiring terminals originally arranged on the electric cabinet panel are directly arranged on the servo driver, and most of the cable connections inside the electric cabinet are cancelled, so as to effectively reduce the overall volume of the electric cabinet, reduce costs, and make installation and maintenance more simple and convenient. At the same time, special requirements of different equipment manufacturers for cables and connectors can be achieved by replacing the adapter plate, which saves trouble, time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural explosion diagram of the utility model.

[0014] Figure 2 It is a structural composition diagram of the utility model.

[0015] Figure 3 This is a structural schematic diagram of Example 2 of the present utility model.

[0016] Figure 4 This is a schematic structural diagram of Example 3 of the present utility model.

[0017] Figure 5 It is a schematic diagram of the structure of the utility model assembled with an external electric cabinet.

[0018] In the figure: 1. Radiator; 2. Power board assembly; 3. Support; 4. Connector; 5. Power return adapter board; 6. Control circuit adapter board; 7. Control board assembly; 8. Pin and female headers; 9. Power terminals; 10. Encoder terminals; 11. Wiring terminals; 12. Communication network port; 13. Electrolytic capacitor; 14. Groove; 15. Mounting plate; 16. Cover. DETAILED DESCRIPTION

[0019] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0020] like Figure 1-4As shown together, the present application regarding the servo drive directly sets most of the connectors and terminal blocks traditionally set on the electrical cabinet panel on the servo drive, including a radiator 1, a power board assembly 2 is installed on one side of the substrate of the radiator 1 through a support 3, a control board assembly 7 is installed above the power board assembly 2 through the support 3 and the two are electrically connected, a power circuit adapter board 5 and a control circuit adapter board 6 are also indirectly installed on one side of the power board assembly 2 through a connector 4 installed thereon, the power board assembly 2 is also connected to a number of electrolytic capacitors 13, a power circuit wiring port is set on the power circuit adapter board 5, and a control circuit wiring port is set on the control circuit adapter board 6.

[0021] The connector 4 is arranged on the upper surface of the power board assembly 2 and the two are perpendicular to each other. The power circuit adapter plate 5 and the control circuit adapter plate 6 are also perpendicular to the power board assembly 2, respectively. The structure is reshaped and arranged, and the layout is optimized, which is conducive to reducing the overall volume and achieving an aesthetic effect. It should be noted that the present application does not limit the way in which the power circuit adapter plate 5 and the control circuit adapter plate 6 are electrically connected to the power board assembly 2, respectively.

[0022] The power board assembly 2 and the control board assembly 7 are arranged parallel to each other, and the control board assembly 7 is electrically connected to the power board assembly 2 through a pin header 8. It should be noted that the present application does not limit the manner in which the control board assembly 7 and the power board assembly 2 are electrically connected, and those skilled in the art can also adaptively adjust the positional relationship between the two according to needs.

[0023] The power circuit wiring port includes a power terminal 9 and an encoder terminal 10 spaced apart and arranged in parallel in the horizontal direction; the control circuit wiring port includes a wiring terminal 11 and a communication network port 12; it should be noted that the present application does not limit the shape, structure and appearance of the power terminal 9, the encoder terminal 10, the wiring terminal 11 and the communication network port 12, and the four are prior arts, which are hereby stated.

[0024] On this basis, the power terminal 9, the encoder terminal 10, the connection terminal 11, and the communication network port 12 are all implemented in a way of being connected through the external electrical cabinet panel. It can be understood that corresponding matching installation holes are opened on the external electrical cabinet panel.

[0025] Example 1

[0026] In this embodiment, the power board assembly 2 is equipped with a power device between it and the heat sink 1, which is arranged in close contact with the heat sink 1. The heat generated by the power device during operation is taken away by the heat sink 1. It should be noted that the power device includes a rectifier bridge and an IPM.

[0027] On this basis, a groove 14 is formed on one side of the heat sink 1 of this embodiment close to the power circuit adapter plate 5 . The groove 14 is formed in a manner matching the electrolytic capacitor 13 , and a plurality of electrolytic capacitors 13 are arranged in a row in the groove 14 .

[0028] Example 2

[0029] In order to facilitate the installation and fixing of the servo drive in the external electrical cabinet, and to isolate the heat dissipation duct inside the electrical cabinet from the electrical space, in this embodiment, a mounting plate 15 is provided between the radiator 1 and the power board assembly 2 .

[0030] In this embodiment, if Figure 3 As shown, the electrolytic capacitor 13 is mounted on the upper surface of the power board assembly 2 .

[0031] Example 3

[0032] like Figure 4 As shown, the power circuit adapter plate 5 and the control circuit adapter plate 6 can be connected to an external electrical cabinet panel to strengthen fixation during the actual production process. In this embodiment, a cover plate 16 covering the servo drive is provided to protect the parts on the one hand and to enable the power circuit adapter plate 5 and the control circuit adapter plate 6 to be connected to the cover plate 16 to strengthen fixation on the other hand.

[0033] In addition, the structural setting of the present application can also be applicable to frequency converters, AC converters, and edge-interrupting power supplies.

[0034] In this way, the servo driver disclosed by the utility model, through a reasonable structural layout, directly sets most of the connectors and terminal blocks originally set on the electric cabinet panel to the servo driver, eliminates most of the cable connections inside the electric cabinet, effectively reduces the overall volume of the electric cabinet, reduces costs, and makes installation and maintenance simpler and more convenient; at the same time, in response to the special requirements of different equipment manufacturers for cables and connectors, it can be achieved by simply replacing the adapter plate, which saves trouble, time and effort.

[0035] The above implementation modes are not limitations of the present invention, and the present invention is not limited to the above examples. Any changes, modifications, additions or substitutions made by technicians in this technical field within the technical solution of the present invention also belong to the protection scope of the present invention.

Claims

1. A servo driver, characterized in that: The invention comprises a radiator (1), wherein a power board assembly (2) is installed on one side of a base plate of the radiator (1) via a support member (3), a control board assembly (7) is installed above the power board assembly (2) via a support member (3), and the two are electrically connected, and a power circuit adapter board (5) and a control circuit adapter board (6) are also indirectly installed on one side of the power board assembly (2) via a connector (4) installed thereon, and the power board assembly (2) is also connected to a plurality of electrolytic capacitors (13), a power circuit wiring port is provided on the power circuit adapter board (5), and a control circuit wiring port is provided on the control circuit adapter board (6).

2. The servo driver according to claim 1, characterized in that: The power board assembly (2) is provided with a power device between it and the heat sink (1) in such a way that the power board assembly (2) is closely attached to the heat sink (1).

3. The servo driver according to claim 1, characterized in that: The connector (4) is arranged on the upper surface of the power board assembly (2) and the two are perpendicular to each other. The power circuit adapter plate (5) and the control circuit adapter plate (6) are also perpendicular to the power board assembly (2).

4. The servo driver according to claim 1, characterized in that: The power board assembly (2) and the control board assembly (7) are arranged parallel to each other, and the control board assembly (7) is electrically connected to the power board assembly (2) via a pin header and a female header (8).

5. The servo driver according to claim 1, characterized in that: The power circuit connection port comprises a power terminal (9) and an encoder terminal (10) which are spaced and arranged in parallel in a horizontal direction.

6. The servo driver according to claim 5, characterized in that: The control loop connection port comprises a connection terminal (11) and a communication network port (12).

7. The servo driver according to claim 6, characterized in that: The power terminal (9), encoder terminal (10), connection terminal (11), and communication network port (12) are all implemented in a manner of being connected through an external electrical cabinet panel.

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