CN217183313U - Communication equipment of wind power system - Google Patents
Communication equipment of wind power system Download PDFInfo
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- CN217183313U CN217183313U CN202220205305.6U CN202220205305U CN217183313U CN 217183313 U CN217183313 U CN 217183313U CN 202220205305 U CN202220205305 U CN 202220205305U CN 217183313 U CN217183313 U CN 217183313U
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- 238000004891 communication Methods 0.000 title claims abstract description 86
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 238000002955 isolation Methods 0.000 claims description 19
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 230000006870 function Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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- 238000012544 monitoring process Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model provides a wind power system's communication equipment, include: a first processor and a CAN module; the first processor is used for realizing data transmission between the main control room and the CAN module through the Ethernet; the CAN module includes: the system comprises a second processor, a CAN controller, at least one CANopen communication interface and at least one custom communication interface; and a communication conversion protocol is configured in the second processor and is used for respectively converting the CANopen protocol, the custom CAN protocol and the Ethernet protocol. The scheme improves the compatibility and product expansibility of each device in the wind power system, and is applicable to various application scenes.
Description
Technical Field
The utility model relates to a communication technology field especially relates to a wind power system's communication equipment.
Background
In a wind power generation system (hereinafter referred to as a wind power system), devices related to CAN communication are common, and due to the fact that the product application time span used in the wind power system is long, CAN devices of various protocols are layered endlessly, different CAN protocol devices communicate with each other through a mainstream CANopen protocol and a nonstandard protocol of a custom CAN protocol, so that compatibility of each device in the wind power system is insufficient, product expansibility is poor, and the wind power system cannot be applied to various application scenes.
SUMMERY OF THE UTILITY MODEL
In view of the above shortcoming of the prior art, an object of the utility model is to provide a wind power system's communication equipment for solve the product that wind power system used among the prior art and relate to all kinds of communication protocols, lead to wind power system's compatibility not enough, awkward problem.
A first aspect of the utility model provides a wind power system's communication equipment, include: a first processor and a CAN module;
the first processor is in communication connection with the main control room and the CAN module through Ethernet respectively;
the CAN module includes: the system comprises a second processor, a CAN controller, at least one CANopen communication interface and at least one custom communication interface;
one end of the second processor is in communication connection with the first processor through an Ethernet, and the other end of the second processor is electrically connected with the CAN controller;
the CAN controller is respectively and electrically connected with the CANopen communication interface and the custom communication interface;
each CANopen communication interface is in communication connection with equipment supporting a CANopen protocol in the wind power system through a CAN bus;
each custom communication interface is in communication connection with equipment supporting a custom CAN protocol in the wind power system through a CAN bus;
and a communication conversion protocol is configured in the second processor and is used for respectively converting the CANopen protocol, the custom CAN protocol and the Ethernet protocol.
In an embodiment of the utility model, the second treater chooses for use FPGA to handle the chip, the model that the CAN controller adopted is SJA 1000.
In an embodiment of the present invention, the CAN module further includes a level conversion unit;
the level conversion unit is connected in series between the second processor and the CAN controller.
In an embodiment of the present invention, the model of the level conversion unit is SN74LVC16T 245.
In an embodiment of the present invention, the CAN module further includes a CAN interface isolation unit;
each CANopen communication interface and each custom communication interface are respectively electrically connected with the CAN controller through the CAN interface isolation unit.
In an embodiment of the present invention, the model that the CAN interface isolation unit adopts is ADM 3053.
In an embodiment of the present invention, the first processor is further in communication connection with the first processor through a serial port;
the CAN module also comprises an optical coupling isolation unit;
and data transmitted by the first processor through a serial port passes through the optical coupling isolation unit and then is input into the second processor.
In an embodiment of the present invention, the optical coupling isolation unit is of a model number PS 9814-2.
In an embodiment of the present invention, the CAN module further includes a storage unit;
the memory unit is electrically connected with the second processor.
In an embodiment of the present invention, the first processor is a MPC 8280.
As above, the utility model discloses a wind power system's communication equipment has following beneficial effect:
the utility model discloses be provided with first treater and CAN module, first treater is used for realizing the data transmission between master-control room and the CAN module through the ethernet, and the CAN module is used for converting CANopen agreement, self-defined CAN agreement and ethernet agreement to realize that the master-control room carries out data transmission with the CAN equipment of all kinds of agreements, improved compatibility, the product expansibility of each equipment among the wind power system, it is applicable in multiple application scene.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments of the present application will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 shows a block diagram of a communication device disclosed in the present invention.
Fig. 2 shows a block diagram of a CAN module disclosed in the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and only the components related to the present invention are shown in the drawings rather than being drawn according to the number, shape and size of the components in actual implementation, and the form, amount and ratio of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.
Referring to fig. 1, an embodiment of the present invention provides a communication device of a wind power system, where the communication device is used to implement communication connection between a master control room of the wind power system and various CAN protocol devices in the wind power system, and mainly includes: a first processor and a CAN module.
One end of the first processor is in communication connection with a main control room of the wind power system through the Ethernet, and the other end of the first processor is in communication connection with the CAN module through the Ethernet; the first processor is used for receiving the output data from the master control room and transmitting the output data to the CAN module, and simultaneously feeding back the output data of the CAN module to the master control room of the wind power system for checking and operating by workers in the master control room. In addition, by configuring the first processor in advance, aiming at the equipment supporting the CANopen protocol, the first processor CAN have the functions of describing the equipment file analysis, configuring the communication parameters, the mapping parameters and the equipment monitoring of the equipment and configuring the hardware parameters of the CAN module; aiming at the equipment supporting the user-defined CAN protocol, the first processor CAN have the functions of CAN module hardware parameter configuration, channel selection and working mode configuration.
In this embodiment, the first processor is of the MPC8280 type. It should be understood that the MPC8280 chip mainly comprises 3 main functional modules including a main core, SIU, CPM, etc., the main core of the MPC8280 is called G2_ LE, which is a multi-stage pipeline superscalar processor of PowerPC architecture. The MPC8280 core operating frequency was 16 × 50 MHz. The SIU module is primarily responsible for 60x bus control, PCI bridge, and clock generation. The CPM module is responsible for processing communication transactions, namely processing data transceiving of communication control units such as SCC, SMC, FCC, MCC, USB, SPI, I2C and the like.
And one end of the CAN module is in communication connection with the first processor through the Ethernet, and the other end of the CAN module is in communication connection with equipment supporting the CANopen protocol and equipment supporting the custom CAN protocol in the wind power system respectively and is used for mutual conversion of Ethernet data and CAN data. It should be understood that various CAN protocol devices in the wind power system need to have a CAN bus network physical layer and a data link layer of the ISO11898 standard. Aiming at the equipment supporting CANopen protocol, the equipment needs to be provided with an CAL protocol and an application layer of CANopen protocol based on CAL protocol extension; the device supporting the custom CAN protocol needs to satisfy the negotiated rule of the master device and the slave device.
Further illustratively, the CAN module includes: the second processor, CAN controller, at least one CANopen communication interface and at least one custom communication interface.
And one end of the second processor is in communication connection with the first processor through the Ethernet, and the other end of the second processor is electrically connected with the CAN controller. It should be understood that the first processor and the second processor are each configured with corresponding peripheral circuits, such as a power module, a system clock module, a JTAG debug module, a reset module, a network management module, an ethernet interface chip, an ethernet interface, and the like, through which the first processor and the second processor can be connected to each other via a network and perform data transmission. Meanwhile, the second processor is also internally provided with a source code for converting the CANopen protocol and the Ethernet protocol and a source code for converting the custom CAN protocol and the Ethernet protocol in advance, so that the received CANopen protocol data or the custom CAN protocol data CAN be converted into the Ethernet data, and correspondingly, the Ethernet data CAN be converted into the CANopen protocol data or the custom CAN protocol data.
And the CAN controller is electrically connected with the CANopen communication interface and the custom communication interface respectively. In the network hierarchical structure of CAN, the data link layer and physical layer are the most important and indispensable part for ensuring the communication quality intuitively, and are the most complicated parts in the network protocol, the CAN controller is used for completing the above work, and is the combination of a programmable circuit for realizing the functions, an interface with the physical circuit of a microprocessor is externally provided, the working mode CAN be set by programming the CAN controller in advance, the working state of the CAN controller is controlled, the CAN controller is used for transmitting and receiving data, and the application layer is established on the basis of the CAN controller.
Each CANopen communication interface is in communication connection with equipment supporting a CANopen protocol in the wind power system through a CAN bus.
And communication interfaces are respectively defined and are in communication connection with equipment supporting the custom CAN protocol in the wind power system through a CAN bus.
By adopting the scheme, when any CANopen communication interface is connected with the equipment supporting the CANopen protocol, the equipment transmits data to the CAN controller through the CANopen protocol, the CAN controller transmits the data to the second processor, the second processor converts the data into Ethernet protocol data, the Ethernet protocol data is transmitted to the first processor through the Ethernet protocol, and the first processor transmits the Ethernet protocol data to the main control room through the Ethernet protocol for the staff in the main control room to check and operate.
When any custom communication interface is connected with equipment supporting a custom CAN protocol, the equipment transmits data to the CAN controller through the custom CAN protocol, the CAN controller transmits the data to the second processor, the second processor converts the data into Ethernet protocol data, the Ethernet protocol data is transmitted to the first processor through the Ethernet protocol, and the first processor transmits the Ethernet protocol data to the main control room through the Ethernet protocol for a worker in the main control room to check and operate.
Specifically, in this embodiment, the second processor is an FPGA processing chip, and the CAN controller is of the model SJA 1000. It should be understood that the second processor is also equipped with peripheral circuits such as an SPI Flash, a clock, a reset and the like, and forms a minimum system of the FPGA; SJA1000T may completely replace PCA82C200, has a Pelizan operation mode, supports 11-bit identifiers and 29-bit identifiers, has a bit rate up to 1Mbps/s and a clock frequency of 24MHz, and is configured by a programmable CAN output driver. Considering that the FPGA processing chip is at 3.3V operating level and the SJA1000 is at 5V operating level, in this embodiment, a level conversion unit is further configured.
Referring to fig. 2, the CAN module further includes a level conversion unit, the level conversion unit is connected in series between the second processor and the CAN controller and is configured to convert the operating levels of the second processor and the CAN controller, and the model of the level conversion unit is SN74LVC16T 245.
Further, the CAN module further includes a CAN interface isolation unit, and each CANopen communication interface and each defined communication interface are electrically connected to the CAN controller through the CAN interface isolation unit, respectively, so as to create a completely isolated interface between the CAN controller and the physical layer bus, thereby reducing interference. Specifically, in this embodiment, the type adopted by the CAN interface isolation unit is ADM 3053.
Further, the first processor and the second processor can perform data interaction through serial port communication to adapt to different use scenarios. The CAN module further comprises an optical coupling isolation unit, and data transmitted by the first processor through the serial port is input into the second processor through the optical coupling isolation unit, so that interference is reduced. It should be understood that the peripheral circuits of the first processor and the second processor further include serial communication chips, the first processor is in communication connection with the serial communication chips, and then is connected to the second processor through the optical coupling isolation unit, in this embodiment, the serial communication chips adopt models including any one or more of ISL83485, MAX3232, and ISL83491, and are applicable to serial communication such as RS485, RS422, and RS 232; the type adopted by the optical coupling isolation unit is PS 9814-2.
Further, the CAN module further includes a storage unit electrically connected to the second processor. Because different CAN communication devices exist in the wind power system, the communication parameters of the wind power system and various CAN external devices are different, the types of the communication parameters are more, and the configuration process is complicated. In order to facilitate the configuration of the CAN equipment and simplify the configuration process, the configuration parameters of the related equipment are stored in a storage unit in advance, and an interface is directly called to call the parameter configuration when the CAN equipment is used.
To sum up, the utility model discloses a wind power system's communication equipment is provided with first treater and CAN module, and first treater is used for realizing the data transmission between master-control room and the CAN module through the ethernet, and the CAN module is used for converting CANopen agreement, self-defined CAN agreement and ethernet agreement to realize that the master-control room carries out data transmission with the CAN equipment of all kinds of agreements, improved compatibility, the product expansibility of each equipment among the wind power system, applicable in multiple application scene. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A communication device of a wind power system, comprising: a first processor and a CAN module;
the first processor is in communication connection with the main control room and the CAN module through Ethernet respectively;
the CAN module includes: the system comprises a second processor, a CAN controller, at least one CANopen communication interface and at least one custom communication interface;
one end of the second processor is in communication connection with the first processor through an Ethernet, and the other end of the second processor is electrically connected with the CAN controller;
the CAN controller is respectively and electrically connected with the CANopen communication interface and the custom communication interface;
each CANopen communication interface is in communication connection with equipment supporting a CANopen protocol in the wind power system through a CAN bus;
each custom communication interface is in communication connection with equipment supporting a custom CAN protocol in the wind power system through a CAN bus;
and a communication conversion protocol is configured in the second processor and is used for respectively converting the CANopen protocol, the custom CAN protocol and the Ethernet protocol.
2. The communication device of claim 1, wherein: the second processor adopts an FPGA processing chip, and the CAN controller adopts a model of SJA 1000.
3. The communication device of claim 2, wherein: the CAN module also comprises a level conversion unit;
the level conversion unit is connected in series between the second processor and the CAN controller.
4. The communication device of claim 3, wherein: the model number adopted by the level conversion unit is SN74LVC16T 245.
5. The communication device of claim 1, wherein: the CAN module also comprises a CAN interface isolation unit;
each CANopen communication interface and each custom communication interface are respectively electrically connected with the CAN controller through the CAN interface isolation unit.
6. The communication device of claim 5, wherein: the CAN interface isolation unit adopts the type ADM 3053.
7. The communication device of claim 1, wherein: the first processor is also in communication connection with the first processor through a serial port;
the CAN module also comprises an optical coupling isolation unit;
and the data transmitted by the first processor through a serial port passes through the optical coupling isolation unit and then is input into the second processor.
8. The communication device of claim 7, wherein:
the type adopted by the optical coupling isolation unit is PS 9814-2.
9. The communication device of claim 1, wherein: the CAN module also comprises a storage unit;
the memory unit is electrically connected with the second processor.
10. The communication device of claim 1, wherein: the first processor is of the model MPC 8280.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220205305.6U CN217183313U (en) | 2022-01-25 | 2022-01-25 | Communication equipment of wind power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220205305.6U CN217183313U (en) | 2022-01-25 | 2022-01-25 | Communication equipment of wind power system |
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| Publication Number | Publication Date |
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| CN217183313U true CN217183313U (en) | 2022-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220205305.6U Active CN217183313U (en) | 2022-01-25 | 2022-01-25 | Communication equipment of wind power system |
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Address after: Room A501, Building 3, No. 1588, Zixing Road, Minhang District, Shanghai, 200000 Patentee after: China Guanghe Digital Technology Co.,Ltd. Address before: Room A501, Building No. 1588 Zixing Road, Minhang District, Shanghai 201100 Patentee before: SHANGHAI CHINA NUCLEAR POWER ENGINEERING TECHNOLOGY CO.,LTD. |