CN111030867B - Communication acquisition device based on dial switch and communication protocol configuration-free method - Google Patents
Communication acquisition device based on dial switch and communication protocol configuration-free method Download PDFInfo
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- CN111030867B CN111030867B CN201911307410.XA CN201911307410A CN111030867B CN 111030867 B CN111030867 B CN 111030867B CN 201911307410 A CN201911307410 A CN 201911307410A CN 111030867 B CN111030867 B CN 111030867B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0806—Configuration setting for initial configuration or provisioning, e.g. plug-and-play
- H04L41/0809—Plug-and-play configuration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/24—Negotiation of communication capabilities
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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Abstract
The invention discloses a communication acquisition device based on a dial switch, which comprises: communication database module, IEC61850 model processing module and at least one communication interface unit, communication interface unit includes: the device comprises a communication interface module, a communication protocol processing program module and a dial switch. The communication interface module is connected with one or more communication devices of the same type, and the communication interface module and the dial switch are accessed to a communication protocol processing program module; the communication protocol processing program modules of all the communication interface units are connected to the communication database module; the communication database module is connected to the model processing module. The invention also provides a corresponding communication protocol configuration-free method. The invention realizes the plug-and-play of the communication acquisition device, the communication acquisition device can be replaced by operation and maintenance personnel without configuring parameters through a communication configuration program and selecting a communication protocol processing program module, thereby reducing the maintenance workload and improving the operation and maintenance efficiency.
Description
Technical Field
The invention relates to the field of monitoring of auxiliary equipment of a transformer substation, in particular to a dial switch-based communication acquisition device and a communication protocol configuration-free method.
Background
The technical direction develops towards the direction of integration and platformization, the management develops towards the direction of higher efficiency of operation and inspection, and heavy overhauling workload and high overhauling cost still greatly restrict the development of the intelligent substation under the actual operation condition of operation and maintenance of the intelligent substation.
The existing transformer substation is provided with a plurality of auxiliary subsystems, each auxiliary subsystem is provided with own auxiliary communication equipment, each communication equipment has own private communication protocol in different manufacturers, when all communication equipment information needs to be sent, the traditional method is that a communication protocol processing program module is independently developed for the protocol of each type of communication equipment on a communication acquisition device, the communication protocol processing program module is matched with field communication equipment by configuring parameters such as different baud rates, parity check, data bits and stop bits, the communication is ensured to be normal, communication data can be sent upwards, a communication database module sends the data to a transformer substation auxiliary control background through a manufacturer unified protocol after the communication database module takes the data, if the communication acquisition device fails and the manufacturer retransmits the communication acquisition device, the parameters need to be reconfigured, the communication program needs to be reselected, the configuration and the test need to be performed through a specific communication configuration program of the communication acquisition device, the operation and maintenance personnel can not complete the operation and maintenance work generally, the operation and maintenance work still needs to be processed on site by a manufacturer, the replacement is troublesome, and the efficiency is low.
Disclosure of Invention
Aiming at the defects and shortcomings of the prior art, the invention aims to provide a dial switch-based communication acquisition device and a communication protocol configuration-free method, aiming at the problems that when a field communication acquisition device is replaced, operation and maintenance personnel need to coordinate the arrival of factory personnel, and the communication acquisition device needs to be reconfigured and electrified, and the like.
In order to achieve the purpose, the solution scheme of the invention is as follows:
a communication acquisition device based on a dial switch comprises: communication database module, IEC61850 model processing module and at least one communication interface unit, communication interface unit includes: the system comprises a communication interface module, a communication protocol processing program module and a dial switch;
the communication interface module is connected with one or more communication devices of the same type, and the communication interface module and the dial switch are accessed to a communication protocol processing program module; the communication protocol processing program modules of all the communication interface units are connected to the communication database module; the communication database module is connected to the model processing module;
the communication interface module is responsible for information interaction with the communication equipment and uploading the information of the communication equipment to the communication protocol processing program module; after receiving the information of the communication interface module, the communication protocol processing program module judges the numerical value of dial-up address information, selects different communication protocol processing program modules for information processing according to the numerical value, sends the processed communication data to the communication database module, sends all the data of the communication database module to the IEC61850 model processing module, and generates the IEC61850 model according to a certain rule by the IEC61850 model processing module for the upper-level platform to call.
Further, the communication protocol processing program module is also used for receiving the instruction of the communication database module and sending a control instruction to the communication interface module, and the communication interface module transmits the control instruction to the communication equipment to complete instruction operation.
Further, the communication interface module comprises an RS232, an RS485, an RJ45, and an optical fiber port or a network port.
Furthermore, the dial switch is an N-bit binary principle-based dial switch, and the minimum dial address is 0 and the maximum dial address is 2 N -1。
Further, the communication protocol processing program module is a set of a plurality of communication protocol processing programs, and selects the operating communication protocol processing program according to the dial-up address of the dial-up switch.
Further, the communication database module is a set of all communication data processed by a plurality of communication protocol processing programs.
Furthermore, the model generated by the IEC61850 model processing module is not a set of normal communication equipment data for each communication, but is a set of all defined communication data.
The invention also provides a dial switch-based communication protocol configuration-free method, which comprises the following steps:
step 1: the communication interface module is accessed to one or more communication devices of the same model deployed on site; the communication interface module is responsible for information interaction with the communication equipment and uploading the information of the communication equipment to the communication protocol processing program module;
step 2: adjusting the dial address of the dial switch according to the type of the communication equipment configured on site to enable the communication protocol processing program module to be matched with the communication equipment on site;
and step 3: after the communication protocol processing program module receives the information of the communication interface module, the dialing address information numerical value is judged, different communication protocol processing program modules are selected according to the numerical value for information processing, and the processed communication data are uploaded to the communication database module;
and 4, step 4: all data of the communication database module are sent to an IEC61850 model processing module;
and 5: and the IEC61850 model processing module generates an IEC61850 model according to a certain rule for the upper-level platform to call.
Further, the step 3 further comprises: the communication protocol processing program module also receives the instruction of the communication database module and sends the control instruction to the field communication equipment through the communication interface module.
Furthermore, the dial switch is an N-bit binary principle-based dial switch, and the minimum dial address is 0 and the maximum dial address is 2 N -1。
The invention has the beneficial effects that:
the invention realizes the plug and play of the communication acquisition device, the communication acquisition device can be replaced without configuring parameters through a communication configuration program and selecting a communication protocol processing program module, and operation and maintenance personnel can complete the replacement of the communication acquisition device, thereby reducing the maintenance workload, improving the operation and maintenance work efficiency, reducing the error probability, reducing the difficulty of field debugging and reducing the project cost.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a dial switch-based communication acquisition device according to the present invention;
fig. 2 is a schematic diagram of another communication acquisition device based on a dial switch according to another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
As shown in fig. 1, an embodiment of a communication acquisition device based on a dial switch of the present invention includes: communication database module, IEC61850 model processing module and at least one communication interface unit, the communication interface unit includes: the device comprises a communication interface module, a communication protocol processing program module and a dial switch.
The communication interface module is connected with one or more communication devices of the same type, and the communication interface module and the dial switch are accessed to the communication protocol processing program module; the communication protocol processing program modules of all the communication interface units are connected to the communication database module; the communication database module is connected to the model processing module.
The communication interface module is responsible for information interaction with the communication equipment and uploading the information of the communication equipment to the communication protocol processing program module; after the communication protocol processing program module receives the information of the communication interface module, the dialing address information numerical value is judged, different communication protocol processing program modules are selected according to the numerical value to perform information processing, processed communication data are sent to the communication database module, all data of the communication database module are sent to the IEC61850 model processing module, and the IEC61850 model processing module generates an IEC61850 model according to a certain rule and is used by an upper-level platform.
The communication protocol processing program module is also used for receiving the instruction of the communication database module and sending a control instruction to the communication interface module, and the communication interface module transmits the control instruction to the communication equipment to complete instruction operation.
The communication protocol processing program module is a set of a plurality of communication protocol processing programs, and selects the operating communication protocol processing program according to the dial switch dial address.
The communication database module is a set of all communication data processed by a plurality of communication protocol processing programs.
The model generated by the IEC61850 model processing module is not a set of normal communication equipment data for each communication, but a set of all defined communication data.
The communication interface module comprises RS232, RS485, RJ45 and an optical fiber port or a network port.
The dial switch can be an N-bit binary-principle-based dial switch, and the minimum dial address is 0 and the maximum dial address is 2 N -1. For example, when the number is 5, the minimum dial address that can be set is 0, and the maximum n is 31; when the number of the dialing addresses is 4, the minimum number of the dialing addresses which can be set is 0, and the maximum number of the dialing addresses is 15; when 3 bits are used, the minimum dial address that can be set is 0 and the maximum n is 7.
Fig. 2 shows another embodiment of a dial switch-based communication acquisition device according to the present invention. Taking the monitoring field of auxiliary equipment of an intelligent substation as an example, through field information collection, it is determined that 7 different types of serial communication equipment exist in a substation field, namely a temperature and humidity sensor, an air conditioner controller, an illumination controller, an electronic fence controller, an SF6 controller, a security alarm controller and a fire alarm host. Firstly, determining communication protocols of the 7 different types of communication equipment, wherein the protocols comprise the determined uplink data formats, then determining respective parameters such as communication baud rate, parity check and the like, and determining the number of the same type of communication equipment which can be accessed by a single serial port to the maximum extent according to the scale of the transformer substation and the number of the conventionally configured communication equipment, as shown in table 1:
table 1 serial port access communication device type definition of each 1-way
| Dial address | Type of access device | Upper limit of number of serial port access devices per channel | Remarks for note |
| 0 | Non-access communication equipment | ---- | |
| 1 | Temperature and humidity sensor | 5 | |
| 2 | Air conditioner controller | 5 | |
| 3 | Lighting controller | 5 | |
| 4 | Electronic fence controller | 5 | |
| 5 | SF6 controller | 2 | |
| 6 | Security alarm controller | 1 | |
| 7 | Fire alarm host | 1 |
The protocol, parameters, and the number of communication devices are all fixed in the program.
As shown in FIG. 2, a dial-up switch-based communication acquisition device is configured with a communication database module, an IEC61850 model processing module and 5 communication interface units, each communication interface unit includes: 1 RS485 serial ports, communication protocol processing program module containing 7 communication protocols and 1 3-bit dial switch.
Taking serial port 1 as an example, when the dial address of the dial switch 1 is set to 0, the communication equipment is not accessed, and the communication protocol processing program module does not process; when the dial address of the dial switch 1 is set to be 1, 1-5 temperature and humidity sensors can be accessed; when the dial address of the dial switch 1 is set to be 2, 1-5 air conditioner controllers can be accessed; and the like, and according to the table 1, when the dial address of the dial switch 1 is set to be 7, a fire alarm host can be accessed; assuming that the dial-up address of the dial-up switch 1 is set to be 1 at present, 5 temperature and humidity sensors are serially connected to the serial port 1, the communication protocol processing program module selects the temperature and humidity sensor communication protocol processing program module to communicate with the 5 temperature and humidity sensors deployed on site, the temperature and humidity information is uploaded to the communication database module to update data, and all 7 types of equipment data communicated from the serial port 1 to the serial port 5 are uploaded to the IEC61850 model processing module according to a certain rule for the platform to call. And dial-up address setting and selection of different communication equipment can be performed on the serial ports 2-5, so that flexible configuration and combination on site are realized, and the implementation and maintenance efficiency of engineering projects is improved.
If the field communication acquisition device needs to be replaced, the communication acquisition device is obtained from spare parts or from a factory for re-delivery, and after the field communication acquisition device arrives at a transformer substation, operation and maintenance personnel only need to set dial addresses of serial ports of the communication acquisition device according to the same address of equipment before replacement and electrify the equipment again, so that replacement can be completed.
The embodiment of the communication protocol configuration-free method based on the dial switch comprises the following steps:
s1: the communication interface module is accessed to one or more communication devices of the same model deployed on site; the communication interface module is responsible for information interaction with the communication equipment and uploading the information of the communication equipment to the communication protocol processing program module;
s2: adjusting the dial address of the dial switch according to the type of the communication equipment configured on site to enable the communication protocol processing program module to be matched with the communication equipment on site;
s3: after receiving the information of the communication interface module, the communication protocol processing program module judges the numerical value of dial-up address information, selects different communication protocol processing program modules for information processing according to the numerical value and sends the processed communication data to the communication database module;
s4: all data of the communication database module are sent to an IEC61850 model processing module;
s5: and the IEC61850 model processing module generates an IEC61850 model according to a certain rule for the upper-level platform to call.
In a preferred embodiment, step S3 further includes: the communication protocol processing program module also receives the instruction of the communication database module and sends the control instruction to the field communication equipment through the communication interface module.
In a preferred embodiment, the dial switch is an N-bit binary-principle-based dial switch, and the minimum dial address is 0 and the maximum dial address is 2 N -1。
The foregoing shows and describes the general principles, principal features, and embodiments of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a communication collection system based on dial switch which characterized in that includes: communication database module, IEC61850 model processing module and at least one communication interface unit, communication interface unit includes: the system comprises a communication interface module, a communication protocol processing program module and a dial switch; the communication protocol processing program module is a set of a plurality of communication protocol processing programs, and selects the operating communication protocol processing program according to the dial switch dial address; the model generated by the IEC61850 model processing module is not a set of normal communication equipment data for each communication but a set of all defined communication data;
the communication interface module is connected with one or more communication devices of the same type, and the communication interface module and the dial switch are accessed to a communication protocol processing program module; the communication protocol processing program modules of all the communication interface units are connected to the communication database module; the communication database module is connected to the model processing module;
the communication interface module is responsible for information interaction with communication equipment and uploading the information of the communication equipment to the communication protocol processing program module; after the communication protocol processing program module receives the information of the communication interface module, the dialing address information numerical value is judged, different communication protocol processing program modules are selected according to the numerical value to perform information processing, processed communication data are sent to the communication database module, all data of the communication database module are sent to the IEC61850 model processing module, and the IEC61850 model processing module generates an IEC61850 model according to a certain rule and is used by an upper-level platform.
2. The dial-up switch-based communication acquisition device as claimed in claim 1, wherein the communication protocol processing program module is further configured to receive a communication database module instruction, issue a control instruction to the communication interface module, and the communication interface module transmits the control instruction to the communication device to complete the instruction operation.
3. The dial-up switch based communication acquisition device of claim 1, wherein the communication interface module comprises RS232, RS485, RJ45, a fiber port or a network port.
4. The dial switch based communication acquisition device as claimed in claim 1, wherein the dial switch is an N-bit binary principle based dial switch having a dial address of at least 0 and at most 2 N -1。
5. The dial-up switch based communication acquisition device as claimed in claim 1, wherein the communication database module is a collection of all communication data processed by a plurality of communication protocol processing programs.
6. A communication protocol configuration-free method based on a dial switch is characterized by comprising the following steps:
step 1: the communication interface module is accessed to one or more communication devices of the same model deployed on site; the communication interface module is responsible for information interaction with the communication equipment and uploading the information of the communication equipment to the communication protocol processing program module;
step 2: adjusting the dial address of the dial switch according to the type of the communication equipment configured on site to enable the communication protocol processing program module to be matched with the communication equipment on site;
and step 3: the communication protocol processing program module is a set of a plurality of communication protocol processing programs, and selects the operating communication protocol processing program according to the dial switch dial address; after receiving the information of the communication interface module, the communication protocol processing program module judges the numerical value of dial-up address information, selects different communication protocol processing program modules for information processing according to the numerical value and sends the processed communication data to the communication database module;
and 4, step 4: all data of the communication database module are sent to an IEC61850 model processing module;
and 5: the IEC61850 model processing module generates an IEC61850 model according to a certain rule for the upper-level platform to call; the model generated by the IEC61850 model processing module is not a set of normal communication equipment data for each communication, but a set of all defined communication data.
7. The dial-up switch based communication protocol reconfiguration method according to claim 6,
the step 3 further comprises: the communication protocol processing program module also receives a communication database module instruction and issues a control instruction to the field communication equipment through the communication interface module.
8. The dial switch-based communication protocol reconfiguration method according to claim 6, wherein said dial switch is an N-bit binary-based dial switch having a dial address of minimum 0 and maximum 2 N -1。
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| CN111697791B (en) * | 2020-06-22 | 2022-02-15 | 上海大因多媒体技术有限公司 | Centralized power supply device |
| CN112083902B (en) * | 2020-09-03 | 2023-12-19 | 深圳市智莱科技股份有限公司 | Control method of storage cabinet, storage cabinet and readable storage medium |
| CN114166287A (en) * | 2021-12-22 | 2022-03-11 | 杭州电子科技大学 | Plant growth environment monitoring system and working method |
| CN114896192B (en) * | 2022-06-09 | 2024-04-09 | 苏州华兴源创科技股份有限公司 | Interface matching method, device, computer equipment and storage medium |
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