CN112198833A - Servo driver of modular unit combined structure - Google Patents
Servo driver of modular unit combined structure Download PDFInfo
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- CN112198833A CN112198833A CN202011268315.6A CN202011268315A CN112198833A CN 112198833 A CN112198833 A CN 112198833A CN 202011268315 A CN202011268315 A CN 202011268315A CN 112198833 A CN112198833 A CN 112198833A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Multiple Motors (AREA)
Abstract
The invention discloses a servo driver with a modular unit combined structure. The servo driver comprises a power supply module and a plurality of motor modules; the motor module specifically comprises a support frame, a motor control panel, a control interface board, a power interface board, a motor power board and a motor power unit; the motor control board is arranged on the upper surface of the support frame; the control interface board is arranged on the side surface of the support frame; the power interface board is arranged at the bottom of the support frame; the bottom surface of the power interface board is provided with a plurality of first supporting devices; the upper surface of the motor power board is connected with the first supporting device; the motor power unit is arranged on the bottom surface of the motor power board; the bottom surface of the power supply module is respectively connected with the motor power board of each motor module through a copper bar; the upper surface of the power supply module is respectively connected with the motor control panel of each motor module. By adopting the servo driver with the modular unit combined structure provided by the invention, each motor module has strong independence, is not interfered with each other and has low maintenance cost.
Description
Technical Field
The invention relates to the technical field of servo control, in particular to a servo driver with a modular unit combined structure.
Background
The servo driver is also called servo controller or servo amplifier, and is a controller for controlling servo motor, which acts on common AC motor similar to frequency converter, belongs to a part of servo system, and is mainly used in high precision positioning system. The servo driver generally controls the servo motor through three modes of position, speed and moment, so that the high-precision positioning of the transmission system is realized. Currently, servo drivers are high-end products of transmission technology.
In a high-power servo product, the size of the product in the same series is not fixed, the interface is not unique, circuits with the same function of all motor modules in the same servo driver are arranged on the same PCB, so that the motor modules are interfered with each other, when a certain motor module breaks down, all the motor modules need to be checked during maintenance, and the maintenance cost of the servo driver is increased.
Disclosure of Invention
The invention aims to provide a servo driver with a modular unit combined structure, which has the advantages of strong independence of each motor module, no interference and low maintenance cost.
In order to achieve the purpose, the invention provides the following scheme:
a modular unit modular construction servo drive comprising:
a power module and a plurality of motor modules;
the motor module specifically includes:
the device comprises a support frame, a motor control panel, a control interface board, a power interface board, a motor power board and a motor power unit;
the motor control board is arranged on the upper surface of the support frame;
the control interface board is arranged on the side surface of the support frame;
the support frame is arranged on the power interface board; the bottom surface of the power interface board is provided with a plurality of first supporting devices;
the upper surface of the motor power board is connected with the first supporting device;
the motor power unit is arranged on the bottom surface of the motor power board;
the bottom surface of the power supply module is respectively connected with the motor power board of each motor module through a copper bar; the upper surface of the power supply module is respectively connected with the motor control panel of each motor module through a signal panel; the signal plate is used for transmitting the power signal of each motor module to the power module.
Optionally, the servo driver further includes:
a heat sink;
the upper surface of the radiator is provided with a plurality of second supporting devices and a plurality of third supporting devices; the bottom surface of the motor power board is connected with the plurality of second supporting devices.
The bottom surface of the power supply module is connected with the plurality of third supporting devices; the radiator is used for radiating heat for the power supply module.
Optionally, the power module specifically includes:
the power supply comprises a power supply power plate, a capacitor plate, a power supply supporting plate, a power supply control plate and a power supply power unit;
the bottom surface of the power supply power board is connected with the third supporting device; a plurality of fourth supporting devices are arranged on the upper surface of the power supply power board;
the power supply power unit is arranged on the bottom surface of the power supply power board; the bottom surface of the power supply power unit is in contact with the heat radiator; the radiator is used for radiating heat for the power supply power unit;
the bottom surface of the capacitor plate is connected with a plurality of fourth supporting devices; a plurality of fifth supporting devices are arranged on the upper surface of the capacitor plate; the capacitor plate is also electrically connected with the power supply power plate through a contact pin;
the bottom surface of the power supply supporting plate is connected with the fifth supporting devices;
the power control board is disposed on an upper surface of the power support plate.
Optionally, the servo driver further includes:
an aluminum substrate;
the aluminum substrate is arranged on the upper surface of the radiator; the upper surface of the aluminum substrate is in contact with the bottom surface of the motor power unit; the aluminum substrate is used for conducting heat of the motor power unit to the radiator.
Optionally, the first supporting device, the second supporting device, the third supporting device and the fifth supporting device are all hexagonal copper cylinders.
Optionally, the second supporting device and the third supporting device are both M4X17 in model.
Optionally, the fourth supporting device is a patch nut.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a servo driver with a modular unit combined structure, which comprises a power module and a plurality of motor modules; the motor module specifically comprises a support frame, a motor control panel, a control interface board, a power interface board, a motor power board and a motor power unit; the motor control board is arranged on the upper surface of the support frame; the control interface board is arranged on the side surface of the support frame; the power interface board is arranged at the bottom of the support frame; the bottom surface of the power interface board is provided with a plurality of first supporting devices; the upper surface of the motor power board is connected with the first supporting device; the motor power unit is arranged on the bottom surface of the motor power board; the bottom surface of the power supply module is respectively connected with the motor power board of each motor module through a copper bar; the upper surface of the power supply module is respectively connected with the motor control panel of each motor module. Aiming at the problem that circuits with the same function in all motor modules are arranged on the same PCB board by the conventional servo driver to cause mutual interference among the motor modules, the servo driver provided by the invention divides the PCB board into the motor control board, the control interface board, the power interface board and the motor power board, and encapsulates a single motor module, so that the motor modules are not interfered with each other, have strong independence and are convenient to install and maintain.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of a servo driver with a modular unit assembly structure provided in an embodiment of the present invention;
FIG. 2 is a top view of a servo driver of a modular unit assembly architecture provided in an embodiment of the present invention;
FIG. 3 is a block diagram of a servo driver of modular unit assembly architecture provided in an embodiment of the present invention;
fig. 4 is an enlarged view of a motor module of a servo driver of a modular unit assembly structure provided in an embodiment of the present invention;
fig. 5 is an enlarged view of a power module of a servo driver with a modular unit assembly structure according to an embodiment of the present invention.
Wherein, 10-upper cover; 20-a radiator; 30-a power supply module; 301-mains power board; 302-a capacitive plate; 303-power control board; 304-a power supply support plate; 3011-a power supply power unit; 40-a motor module; 401-motor power board; 402-a power interface board; 403-control interface board; 404-motor control board; 405-a support frame; 4011-motor power unit; 4012-aluminum substrate; 501-first supporting means; 502-a second support means; 503-third support means; 504-fourth support means; 505-a fifth support means; 60-pin.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
The invention aims to provide a servo driver with a modular unit combined structure, which has the advantages of strong independence of each motor module, no interference and low maintenance cost.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Examples
Fig. 1 is a schematic structural diagram of a servo driver of a modular unit and assembly type structure provided in an embodiment of the present invention, fig. 2 is a top view of the servo driver of the modular unit and assembly type structure provided in an embodiment of the present invention, and fig. 3 is a block diagram of the servo driver of the modular unit and assembly type structure provided in an embodiment of the present invention, as shown in fig. 1 to 3, the servo driver of the modular unit and assembly type structure provided in the present invention includes a power module 30 and a plurality of motor modules 40.
Fig. 4 is an enlarged view of a motor module 40 of a servo driver with a modular unit combination structure provided in an embodiment of the present invention, and as shown in fig. 1 and 4, the motor module 40 specifically includes: a support frame 405, a motor control board 404, a control interface board 403, a power interface board 402, a motor power board 401 and a motor power unit 4011.
The motor control board 404 is disposed on the upper surface of the support frame 405.
The control interface board 403 is arranged on the side surface of the support frame 405; the control interface board 403 is electrically connected to the motor control board 404.
The support frame 405 is disposed on the power interface board 402; power interface board 402 is electrically connected to control interface board 403; the bottom surface of the power interface board 402 is provided with a plurality of first supporting means 501.
The upper surface of the motor power board 401 is connected with the first supporting device 501; the motor power board 401 is electrically connected to the power interface board 402 via pins 60.
The motor power unit 4011 is arranged on the bottom surface of the motor power board 401; the motor power unit 4011 is electrically connected to the motor power board 401.
The bottom surface of the power module 30 is respectively connected with the motor power board 401 of each motor module 40 through a copper bar; the upper surface of the power module 30 is connected with the motor control board 404 of each motor module 40 through a signal board; the signal board is used for transmitting a power signal of each motor module 40 to the power module 30; the power module 30 is also connected to the control interface board 403 of each motor module 40; the power module 30 is configured to provide power to each motor module 40 via the control interface board 403.
The servo driver with the modular unit combined structure further comprises a radiator 20; the upper surface of the heat sink 20 is provided with a plurality of second supporting means 502 and a plurality of third supporting means 503; the bottom surface of the motor power board 401 is connected to a plurality of second supporting means 502.
The bottom surface of the power module 30 is connected with a plurality of third supporting devices 503; the heat sink 20 serves to dissipate heat of the power module 30.
Fig. 5 is an enlarged view of the power module 30 of the servo driver with a modular unit combination structure according to an embodiment of the present invention, and as shown in fig. 5, the power module 30 specifically includes: power supply power board 301, capacitor board 302, power supply support board 304, power supply control board 303 and power supply power unit 3011.
The bottom surface of the power supply power board 301 is connected with a third supporting device 503; the upper surface of the power supply power board 301 is provided with a plurality of fourth supporting devices 504; the power supply power unit 3011 is disposed on the bottom surface of the power supply power board 301; the bottom surface of the power supply power unit 3011 is in contact with the heat sink 20; the heat sink 20 is used for dissipating heat of the power supply power unit 3011; the power supply power unit 3011 is also electrically connected to the power supply power board 301; the bottom surface of the capacitor plate 302 is connected to a plurality of fourth supporting means 504; the upper surface of the capacitor plate 302 is provided with a plurality of fifth supporting means 505; capacitor plate 302 is also electrically connected to power supply board 301 via pins (not shown); the bottom surface of the power support plate 304 is connected to a plurality of fifth support means 505; the power control board 303 is disposed on the upper surface of the power support plate 304; the power control board 303 is electrically connected with the capacitor board 302; the power control board 303 is also connected with the control interface board 403 of each motor module 40; the power control board 303 provides power to each motor module 40 through a control interface board 403.
The output voltage of the power supply module is 24V, and the rated voltage of the power supply module is 380V of alternating current.
As shown in fig. 1, the servo driver of the modular unit combination structure further includes an aluminum substrate 4012; aluminum substrate 4012 is disposed on an upper surface of heat spreader 20; the upper surface of the aluminum substrate 4012 is in contact with the bottom surface of the motor power unit 4011; the aluminum substrate 4012 serves to conduct heat of the motor power unit 4011 to the heat sink 20.
The first supporting device 501, the second supporting device 502, the third supporting device 503 and the fifth supporting device 505 provided by the invention are all hexagonal copper cylinders. The second supporting device 502 and the third supporting device 503 are both M4X17 model. The fourth support means 504 is a patch nut.
Specifically, the servo driver with the modular unit combination structure further comprises a detachable upper cover 10, and the edge of the upper cover 10 is connected with the edge of the upper surface of the heat sink 20 through screws. In addition, in the power module 30, the power support plate 304 is a sheet metal member, and the power support plate 304 is used to support the power control board 303.
Since the height of the motor power unit 4011 is different from the height of the power supply power unit 3011, and the support device of the present invention uses the hexagonal copper pillar with the model number of M4X17, an aluminum substrate 4012 is fixed at the bottom of the motor power unit 4011 to make the motor power unit closely adhere to the heat sink 20.
As shown in fig. 3, the power module 30 and each motor module 40 provided by the present invention are individually packaged as a single module. The power of the power module 30 is 10kW or 20kW, the power of the power module 30 is selected according to the sum of the powers of all the motor modules 40 in the servo driver, and when the servo driver is assembled, one power module 30 matching the sum of the powers of the plurality of motor modules 40 and a plurality of motor modules 40 is selected for packaging; taking fig. 3 as an example, the power module 30 is disposed on the left side of the servo driver; a plurality of different motor modules 40 are arranged on the right side.
The motor modules 40 are of three types, namely a motor module A, a motor module B and a motor module C; selecting a corresponding motor module according to the current value of each axis of the servo driver for assembly, for example, a 6-axis servo driver needs to be configured, the motor modules 40 correspondingly selected according to the current values of the 1 st to 6 th axes of the servo driver are sequentially a motor module C, a motor module a, a motor module B, a motor module a and a motor module B, and then selecting a corresponding power module 30 according to the sum of the powers of the six motor modules for packaging. For another example, a 4-axis servo driver needs to be configured, the motor modules 40 selected corresponding to the current values of the 1 st axis to the 4 th axis of the servo driver are the motor module C, the motor module B, the motor module a and the motor module a in sequence, and then the corresponding power module 30 is selected according to the sum of the powers of the four motor modules for packaging.
The servo driver with the modular unit combined structure can expand the number of motor modules according to configuration requirements and correspondingly configure different motor models; when the motor modules are expanded, the height of the servo driver is fixed, and the width of the driver is changed only according to the number of the added motor modules.
The servo driver provided by the invention is of a modular unit combined structure, each motor module is designed into an independent unit structure, different motor modules are combined and installed, and the servo driver has the advantages of good independence among the motor modules, no mutual interference, simplicity and convenience in installation, easiness in disassembly, convenience in debugging and maintenance and higher flexibility. The invention greatly improves the stability and reliability of the servo driver.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In summary, this summary should not be construed to limit the present invention.
Claims (7)
1. A servo drive of modular unit modular construction, the servo drive comprising:
a power module and a plurality of motor modules;
the motor module specifically includes:
the device comprises a support frame, a motor control panel, a control interface board, a power interface board, a motor power board and a motor power unit;
the motor control board is arranged on the upper surface of the support frame;
the control interface board is arranged on the side surface of the support frame;
the support frame is arranged on the power interface board; the bottom surface of the power interface board is provided with a plurality of first supporting devices;
the upper surface of the motor power board is connected with the first supporting device;
the motor power unit is arranged on the bottom surface of the motor power board;
the bottom surface of the power supply module is respectively connected with the motor power board of each motor module through a copper bar; the upper surface of the power supply module is respectively connected with the motor control panel of each motor module through a signal panel; the signal plate is used for transmitting the power signal of each motor module to the power module.
2. The servo driver of modular unit modular construction according to claim 1, further comprising:
a heat sink;
the upper surface of the radiator is provided with a plurality of second supporting devices and a plurality of third supporting devices; the bottom surface of the motor power board is connected with the plurality of second supporting devices;
the bottom surface of the power supply module is connected with the plurality of third supporting devices; the radiator is used for radiating heat for the power supply module.
3. The servo driver of modular unit combination structure as claimed in claim 2, wherein the power module comprises:
the power supply comprises a power supply power plate, a capacitor plate, a power supply supporting plate, a power supply control plate and a power supply power unit;
the bottom surface of the power supply power board is connected with the third supporting device; a plurality of fourth supporting devices are arranged on the upper surface of the power supply power board;
the power supply power unit is arranged on the bottom surface of the power supply power board; the bottom surface of the power supply power unit is in contact with the heat radiator; the radiator is used for radiating heat for the power supply power unit;
the bottom surface of the capacitor plate is connected with a plurality of fourth supporting devices; a plurality of fifth supporting devices are arranged on the upper surface of the capacitor plate;
the bottom surface of the power supply supporting plate is connected with the fifth supporting devices;
the power control board is disposed on an upper surface of the power support plate.
4. The servo driver of modular unit modular construction according to claim 2, further comprising:
an aluminum substrate;
the aluminum substrate is arranged on the upper surface of the radiator; the upper surface of the aluminum substrate is in contact with the bottom surface of the motor power unit; the aluminum substrate is used for conducting heat of the motor power unit to the radiator.
5. The servo driver of modular unit modular structure as recited in claim 3, wherein the first support means, the second support means, the third support means and the fifth support means are hexagonal copper cylinders.
6. The servo drive of modular unit modular construction according to claim 5, wherein the second support means and the third support means are each M4X17 model.
7. The servo driver of modular unit modular construction according to claim 3, wherein the fourth support means is a patch nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011268315.6A CN112198833A (en) | 2020-11-13 | 2020-11-13 | Servo driver of modular unit combined structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011268315.6A CN112198833A (en) | 2020-11-13 | 2020-11-13 | Servo driver of modular unit combined structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112198833A true CN112198833A (en) | 2021-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011268315.6A Pending CN112198833A (en) | 2020-11-13 | 2020-11-13 | Servo driver of modular unit combined structure |
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| Country | Link |
|---|---|
| CN (1) | CN112198833A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114115081A (en) * | 2021-12-31 | 2022-03-01 | 北京中航智科技有限公司 | High-power-density servo driver |
| CN116540682A (en) * | 2023-07-05 | 2023-08-04 | 天津信天电子科技有限公司 | Method, system, device, equipment and medium for testing analog single machine |
-
2020
- 2020-11-13 CN CN202011268315.6A patent/CN112198833A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114115081A (en) * | 2021-12-31 | 2022-03-01 | 北京中航智科技有限公司 | High-power-density servo driver |
| CN114115081B (en) * | 2021-12-31 | 2024-04-05 | 北京中航智科技有限公司 | High-power density servo driver |
| CN116540682A (en) * | 2023-07-05 | 2023-08-04 | 天津信天电子科技有限公司 | Method, system, device, equipment and medium for testing analog single machine |
| CN116540682B (en) * | 2023-07-05 | 2023-09-05 | 天津信天电子科技有限公司 | Method, system, device, equipment and medium for testing analog single machine |
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