CN220210167U - Multi-motor transmission device and system - Google Patents
Multi-motor transmission device and system Download PDFInfo
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- CN220210167U CN220210167U CN202320776793.0U CN202320776793U CN220210167U CN 220210167 U CN220210167 U CN 220210167U CN 202320776793 U CN202320776793 U CN 202320776793U CN 220210167 U CN220210167 U CN 220210167U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 52
- 238000004891 communication Methods 0.000 claims abstract description 33
- 230000005856 abnormality Effects 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Abstract
The application provides a multi-motor transmission device and a system; the multi-motor transmission device comprises at least one driving module and a controller, wherein the at least one driving module is connected with the controller through a high-speed bus, and the controller is communicated with the at least one driving module through the high-speed bus so as to control the at least one driving module; the multi-motor transmission system comprises a motor, an alternating current power supply and the multi-motor transmission device. According to the scheme, at least one driving module is connected to the controller through the high-speed bus, the driving module can communicate with the outside only through the communication interface on the controller, the number of interfaces of the device can be reduced, the driving module is connected to the controller through the high-speed bus, the external communication modes of the driving modules are unified, and the communication mode of the multi-motor transmission device is simplified.
Description
Technical Field
The disclosed embodiments of the present application relate to the field of communications technology, and more particularly, to a multi-motor transmission and system.
Background
In a multi-motor transmission system, a frequency converter is needed to provide required power supply voltage according to the actual needs of a motor so as to achieve the purposes of energy conservation and speed regulation.
However, in a scenario that multiple motors are required to be installed and the power of the multiple motors is different, multiple frequency converters are often required to be installed, the multiple frequency converters are all required to be connected to realize linkage control, and in addition, gateways are required to be added for communication due to different communication modes among all modules in the system, so that the communication is complex.
Therefore, how to simplify the communication mode of the multi-motor transmission system is a problem to be solved.
Disclosure of Invention
According to an embodiment of the present application, a multi-motor transmission device and a system are provided to simplify a communication manner of a multi-motor transmission system.
According to one aspect of the present application, an exemplary multi-motor transmission is disclosed, comprising: the controller is communicated with the at least one driving module through the high-speed bus so as to control the at least one driving module.
According to the scheme, at least one driving module is connected to the controller through the high-speed bus, the driving module can communicate with the outside only through the communication interface on the controller, the number of interfaces of the device can be reduced, the driving module is connected to the controller through the high-speed bus, the external communication modes of the driving modules are unified, and the communication mode of the multi-motor transmission device is simplified.
Wherein, the drive module includes: and the servo driver is used for driving the servo motor.
According to the scheme, the servo motor is driven by the servo driver, so that the driving precision of the multi-motor transmission device is improved.
Wherein, the drive module includes the converter.
According to the scheme, the motor is controlled through the frequency converter, so that the motor is beneficial to adapting to various operation conditions.
Wherein the apparatus further comprises: a rectifier rectifying an externally input alternating current into a direct current; and the rectifier is connected to the at least one driving module through the direct current bus and is used for conveying direct current to the at least one driving module.
According to the scheme, the plurality of driving modules are connected to the direct current bus, and the plurality of driving modules can share one brake, so that the complexity of the device structure is reduced; in addition, the energy generated by the motor in the power generation state in the plurality of motors can be directly used for the motor in the electric state through the common direct current bus, so that the energy conservation is facilitated.
Wherein the apparatus further comprises: and the direct current fuses are connected between the direct current buses and each driving module.
According to the scheme, the direct-current fuse between the direct-current bus and each driving module can be cut off in time when the line load is too high, so that the safety of the device is improved.
Wherein the apparatus further comprises: and a circuit breaker connected to the rectifier, the circuit breaker being opened to stop the externally input alternating current from entering the rectifier in response to the device operating abnormality.
Wherein the apparatus further comprises: at least one coupler connected to the rectifier through the dc bus, each coupler delivering dc power to the at least one drive module.
According to the scheme, the multi-motor transmission device is expanded through the coupler, so that the rectifier can be connected with more driving modules through the direct current bus, and the carrying capacity of the device is improved.
Wherein the apparatus further comprises: and a brake connected to the DC bus.
The controller also comprises an external communication interface, and the controller communicates with external equipment through the external communication interface.
According to the scheme, the multi-motor transmission device is communicated with the external equipment through the external communication interface, the communication interfaces are not required to be arranged in the driving modules, the number of interfaces required by the device is reduced, and the wiring complexity is reduced.
According to another aspect of the present application, a multi-motor drive system is disclosed, comprising a motor, an ac power source, and a multi-motor drive of the first aspect described above.
According to the scheme, at least one driving module is connected to the controller through the high-speed bus, the driving module can communicate with the outside only through the communication interface on the controller, the number of interfaces of the device can be reduced, the driving module is connected to the controller through the high-speed bus, the external communication modes of the driving modules are unified, and the communication mode of the multi-motor transmission device is simplified.
Drawings
The application will be further described with reference to the accompanying drawings and embodiments, in which:
FIG. 1 is a schematic diagram of a frame structure of an embodiment of a multi-motor transmission of the present application;
FIG. 2 is a schematic diagram of a frame structure of a further embodiment of the multi-motor transmission of the present application;
FIG. 3 is a schematic diagram of a frame structure of an embodiment of a multi-motor drive system of the present application.
Detailed Description
In order to enable those skilled in the art to better understand the technical solutions of the present application, the technical solutions of the present application are described in further detail below with reference to the accompanying drawings and the detailed description.
The following description is of the preferred embodiments of the present application and is provided merely to illustrate the technical features of the present application and not to limit the scope of the present application. Certain terms are used throughout the description and claims to refer to particular elements, and it will be understood by those skilled in the art that manufacturers may refer to a like element by different names. Therefore, the present specification and claims do not take the difference in names as a way of distinguishing elements, but rather take the difference in functions of elements as a basis for distinction. The terms "element," "system," and "apparatus" as used in this application may be a computer-related entity, either hardware, software, or a combination of hardware and software. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to …". Furthermore, the term "coupled" means an indirect or direct electrical connection. Thus, if one device is coupled to another device, that device can be directly electrically connected to the other device or indirectly electrically connected to the other device through other devices or connection means.
The application provides a multi-motor transmission device and a system, which can be applied to the field of multi-motor transmission control, and when a plurality of motors are required to be configured to work in a linkage way and the power of the motors is different, the motor control performance and the functions are not completely the same, a large number of power lines and control lines are required to be correspondingly connected; and information interaction is needed between each module in the multi-motor transmission device, and communication modes and protocols between different modules may be different, so that a gateway needs to be added to support communication, which results in complex communication modes in the device.
Referring to fig. 1, fig. 1 is a schematic diagram of a frame structure of an embodiment of a multi-motor transmission device of the present application; specifically, the multi-motor transmission device comprises at least one driving module 10 and a controller 40, wherein the at least one driving module 10 is connected with the controller 40 through a high-speed bus, and the controller 40 communicates with the at least one driving module 10 through the high-speed bus to control the at least one driving module 10.
In the above scheme, at least one driving module 10 is connected to the controller 40 through the high-speed bus, and can communicate with the outside only through the communication interface on the controller 40, so that the number of interfaces of the device can be reduced, and the at least one driving module 10 is connected to the controller 40 through the high-speed bus, so that the external communication modes of a plurality of driving modules 10 are unified, and the communication mode of the multi-motor transmission device is simplified.
In some possible embodiments, the driving module 10 may include: a servo driver (not shown) for driving the servo motor.
In some specific implementations, the driving module 10 may further include a common motor driver to adapt to specific requirements of the specific scenario, which is not limited herein.
According to the scheme, the servo motor is driven by the servo driver, so that the driving precision of the multi-motor transmission device is improved.
In some possible embodiments, the drive module 10 may also include a frequency converter (not shown).
According to the scheme, the motor is controlled through the frequency converter, so that the motor is beneficial to adapting to various operation conditions.
In a specific implementation scenario, the driving module 10 may be configured as a frequency converter, may be configured as a servo driver, and may further be configured as a plurality of servo drivers and a plurality of frequency converters, which are not limited herein.
In some possible embodiments, the multi-motor transmission may further comprise: a rectifier 20 rectifying an externally input alternating current into a direct current; the dc bus 30, through which the rectifier 20 is connected to the at least one driving module 10, delivers dc power to the at least one driving module 10.
In the above solution, the plurality of driving modules 10 are connected to the dc bus 30, and the plurality of driving modules 10 can share one brake 50, which is beneficial to reducing the complexity of the device structure; in addition, the energy generated by the motor in the power generation state among the plurality of motors can be directly used for the motor in the electric state through the common direct current bus 30, which is beneficial to energy saving.
In some possible embodiments, multiple drive modules 10 may be connected to the same dc bus 30, through which the same dc bus 30 is connected to the rectifier 20. After connecting the plurality of driving modules 10 to the same dc bus 30, the multi-motor transmission device can supply power to the plurality of driving modules 10 only through one rectifier 20, and the corresponding ac power interface can also be only arranged on the rectifier 20, thereby further reducing the volume of the device and reducing the number of interfaces of the device.
In other specific implementation scenarios, in order to reduce breakdown caused by excessive load on the dc bus 30 when the plurality of driving modules 10 are all connected to the same dc bus 30, the plurality of driving modules 10 may also be connected to more than one dc bus 30, and the dc bus 30 is connected to the rectifier 20 to output dc power output by the rectifier 20 to the plurality of driving modules 10.
In some specific implementations, the multi-motor transmission may include a plurality of rectifiers 20, a plurality of controllers 40, a plurality of frequency converters, and a plurality of servo drives, the specifications of the plurality of rectifiers 20, frequency converters, and servo drives may be different, and the plurality of controllers 40 may have a plurality of different control functions; with continued reference to fig. 1, in the embodiment disclosed in fig. 1, the multi-motor transmission may include four frequency converters, four servo drives, a rectifier 20 and a controller 40, wherein the rectifier 20 outputs direct current to the servo drives and the frequency converters for controlling the operation of different motors.
In some specific implementations, the multi-motor transmission may further include a cooling chamber in which the cooling device is disposed, and the heating elements in the multi-motor transmission may be disposed in the cooling chamber in a concentrated manner to improve a heat dissipation effect, so that the plurality of frequency converters and/or the plurality of servo drives in the multi-motor transmission may be closely mounted together to reduce a volume of the multi-motor transmission.
In some specific implementation scenarios, the cooling device may include a cooling fan, and a ventilation opening may be disposed on the opposite side of the cooling chamber where the cooling fan is installed, so as to enhance air convection, which is beneficial to improving heat dissipation effect; in other specific implementation scenarios, the cooling device may further include other devices that are beneficial to enhancing the heat dissipation effect, such as a liquid cooling circulation pipe, which is not limited herein.
In some possible implementations, the multi-motor transmission may further include: a dc fuse is connected between the dc bus 30 and each of the drive modules 10.
In a specific implementation scenario, dc fuses are connected between the dc bus 30 and the dc converters and/or the servo drivers, so as to protect the dc converters and the servo drivers.
According to the scheme, the direct current fuse between the direct current bus 30 and each driving module 10 can be cut off in time when the line load is too high, so that the safety of the device is improved.
In some possible embodiments, the multi-motor transmission may further comprise: and a circuit breaker connected to the rectifier 20, the circuit breaker being opened to stop an externally inputted alternating current from entering the rectifier 20 in response to an abnormal operation of the device.
In a specific implementation scenario, the dc fuses are connected between the plurality of frequency converters and/or the plurality of servo drivers and the dc bus 30, and the rectifier 20 may be further connected with a circuit breaker, so that the frequency converters and/or the plurality of servo drivers are not required to be further provided with the circuit breaker, i.e., the multi-motor transmission device only needs to be provided with the circuit breaker at the end of the rectifier 20 receiving the external input to cut off the externally input ac power from entering the rectifier 20 when the multi-motor transmission device is abnormal in operation, thereby further reducing the volume of the multi-motor transmission device and reducing the manufacturing cost.
In some possible embodiments, referring to fig. 2, fig. 2 is a schematic diagram of a frame structure of another embodiment of the multi-motor transmission device of the present application; specifically, the multi-motor transmission device further includes: at least one coupler 60, the at least one coupler 60 being connected to the rectifier 20 by a dc bus 30, each coupler 60 delivering dc power to the at least one drive module 10.
It should be noted that, without the use of the coupler 60, the multi-motor transmission device can only access 8 driving modules 10 at most, and in some specific implementations, may be 4 frequency converters (not shown) and 4 servo drives (not shown).
In order to adapt to more application scenarios, the direct current output by the rectifier 20 may be switched by using the coupler 60, and the direct current output by the rectifier 20 is received by the coupler 60 and then sent to a plurality of frequency converters and/or a plurality of servo drivers connected with the frequency converters and/or the servo drivers.
In a specific implementation scenario, the multi-motor transmission device may include a rectifier 20, a brake (not shown in the figure), a frequency converter, a servo driver, and a controller (not shown in the figure), where the power of the rectifier 20, the frequency converter, and the servo driver may be different, one rectifier 20 and a combination of 1 or more frequency converters and/or servo drivers may be configured in the multi-motor transmission device, and the controller may be configured as a plurality of corresponding controllers, and different controllers may have different control functions to modify different controllers according to different scenario requirements to implement different control functions; the plurality of frequency converters and/or servo drivers in the multi-motor transmission device are connected to the rectifier 20 through the direct current bus 30, the rectifier 20 is connected with an external alternating current input to convert alternating current into direct current, the plurality of frequency converters and/or servo drivers are powered through the direct current bus 30, and the plurality of frequency converters and/or servo drivers can share one brake because the plurality of frequency converters and/or servo drivers are connected with the direct current bus 30.
In other specific applications, multiple rectifiers 20 may be provided in a multi-motor transmission, as the application is not limited herein.
In a specific application scenario, please continue to refer to fig. 2, the direct current output by the rectifier 20 is output to 3 couplers 60 through the dc bus 30, and the 3 couplers 60 may be respectively connected with a plurality of frequency converters and/or a plurality of servo drivers, and of course, the specific number of couplers 60 and the number of driving modules 10 connected to each coupler 60 may be configured according to actual needs, which is not limited in this application.
In the above scheme, the coupler 60 is used for expanding the multi-motor transmission device, so that the rectifier 20 can be abutted to more driving modules 10 through the direct current bus 30, and the load carrying capacity of the device is improved.
In some possible embodiments, the apparatus further comprises: a brake (not shown) is connected to the dc bus 30.
In some possible embodiments, the controller further comprises an external communication interface through which the controller communicates with the external device.
According to the scheme, the multi-motor transmission device is communicated with external equipment through the external communication interfaces, the communication interfaces are not required to be arranged in the driving modules 10, the number of interfaces required by the device is reduced, and wiring complexity is reduced.
Referring to fig. 3, fig. 3 is a schematic diagram illustrating a frame structure of an embodiment of a multi-motor transmission system 310 according to the present application; specifically, a multi-motor drive system 310 includes a motor 313, an ac power source 311, and a multi-motor drive 312 as described above.
In the multi-motor drive system 310, the multi-motor drive 312 may be powered by the ac power source 311 to drive the motor 313 for operation, and accordingly, there may be multiple motors 313 in the multi-motor drive system 310.
In the above scheme, the at least one driving module 10 is connected to the controller through the high-speed bus, and can communicate with the outside only through the communication interface on the controller, so that the number of interfaces of the device can be reduced, and the at least one driving module 10 is connected to the controller through the high-speed bus, so that the external communication modes of the plurality of driving modules 10 are unified, and the communication mode of the multi-motor transmission device 312 is simplified.
Those skilled in the art will readily appreciate that many modifications and variations are possible in the device and method while maintaining the teachings of the present application. Accordingly, the above disclosure should be viewed as limited only by the scope of the appended claims.
Claims (10)
1. A multi-motor transmission, comprising:
at least one drive module;
and the controller is connected with the at least one driving module through a high-speed bus and is communicated with the at least one driving module through the high-speed bus so as to control the at least one driving module.
2. The apparatus of claim 1, wherein the drive module comprises:
and the servo driver is used for driving the servo motor.
3. The apparatus of claim 1, wherein the drive module comprises a frequency converter.
4. The apparatus as recited in claim 1, further comprising:
a rectifier rectifying an externally input alternating current into a direct current;
and the rectifier is connected to the at least one driving module through the direct current bus and is used for conveying direct current to the at least one driving module.
5. The apparatus as recited in claim 4, further comprising:
and the direct current fuses are connected between the direct current buses and each driving module.
6. The apparatus as recited in claim 5, further comprising:
and a circuit breaker connected to the rectifier, the circuit breaker being opened to stop the externally input alternating current from entering the rectifier in response to the device operating abnormality.
7. The apparatus as recited in claim 4, further comprising:
at least one coupler connected to the rectifier through the dc bus, each coupler delivering dc power to the at least one drive module.
8. The apparatus as recited in claim 4, further comprising:
and a brake connected to the DC bus.
9. The apparatus of claim 1, wherein the device comprises a plurality of sensors,
the controller also comprises an external communication interface, and the controller communicates with external equipment through the external communication interface.
10. A multi-motor drive system comprising a motor, an ac power source, and a multi-motor drive as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320776793.0U CN220210167U (en) | 2023-04-10 | 2023-04-10 | Multi-motor transmission device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320776793.0U CN220210167U (en) | 2023-04-10 | 2023-04-10 | Multi-motor transmission device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220210167U true CN220210167U (en) | 2023-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320776793.0U Active CN220210167U (en) | 2023-04-10 | 2023-04-10 | Multi-motor transmission device and system |
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| Country | Link |
|---|---|
| CN (1) | CN220210167U (en) |
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2023
- 2023-04-10 CN CN202320776793.0U patent/CN220210167U/en active Active
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