CN217691955U - External module RS485 device of energy controller - Google Patents
External module RS485 device of energy controller Download PDFInfo
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- CN217691955U CN217691955U CN202220697749.6U CN202220697749U CN217691955U CN 217691955 U CN217691955 U CN 217691955U CN 202220697749 U CN202220697749 U CN 202220697749U CN 217691955 U CN217691955 U CN 217691955U
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Abstract
The utility model discloses an external module RS485 device of energy controller, include: the power supply conversion management assembly is used for converting the voltage of an external power supply, and is respectively electrically connected with the weak current interface assembly of the functional module, the external interface assembly of the module and the four-way 485 circuit assembly and supplies power; the function module weak current interface component is in data connection with the logic processing component, receives power distribution main station data sent by the energy controller and sends the power distribution main station data to the logic processing component; the module external interface component is in data connection with the logic processing component, and receives end equipment data sent by the end equipment and sends the end equipment data to the logic processing component; the four-way 485 circuit assembly is in data connection with the logic processing assembly, communication is completed in a serial master-slave communication mode, and a receiving and transmitting mode of balanced sending and differential receiving is adopted, so that reliable and stable transmission of voltage difference signals is guaranteed. Through the modularized RS485 device, the expandability of the energy controller is improved, the function of the RS485 is enhanced, the way of connecting end equipment is increased, the risk of direct wiring of a terminal is avoided, and the product performance of the RS485 module is improved.
Description
Technical Field
The utility model relates to a power equipment technical field, in particular to external module RS485 device of energy controller.
Background
With the development of the times, the problem that functions and requirements of an original power utilization information acquisition terminal are unmatched in partial areas cannot meet the differentiation requirements of all areas. In addition, the types of the power distribution terminals are multiple, and the large-scale production of production enterprises is restricted. The power consumption information acquisition terminal is designed into a plurality of independent module structural styles of functions, corresponding module combinations are prepared according to actual needs of various regions, and the diversified urgent needs of the market on the power consumption information acquisition terminal are met.
In order to meet the construction requirements of the ubiquitous power Internet of things, the matching and fusion of the edge computing of the power distribution area and the emerging technology of the big data cloud are developed. A national organization discusses technical specifications and type specifications related to the energy controller in multiple conferences, and provides design principles of hardware platformization, software App and edge computing support framework by combining a container technology, so that the energy controller is finally qualified as an intelligent terminal product at the most edge end. The energy source controller can realize flexible access of metering and sensing equipment at a client side and a power distribution side, has the functions of data acquisition, intelligent charge control, clock synchronization, accurate metering, ordered charging, energy utilization management, loop state inspection, household variable relation identification, power failure event reporting and the like, solves the problems of fixed hardware function configuration, poor multi-service ubiquitous access expansibility and the like of the conventional acquisition terminal, and is an inlet, a brain and a hub of a low-voltage transformer area. In order to better communicate with the control end equipment by matching with the energy controller, a novel RS485 module pluggable module needs to be designed to be installed on the energy controller, and the module can realize interconnection and controllability of the communication link of the energy controller and the end equipment.
The existing RS485 is mainly applied to an old-fashioned terminal concentrator and belongs to integrated equipment with the concentrator, and the concentrator is connected with downlink end equipment through an RS485 expansion port. The RS485 interface has no expandability or pluggable performance, and has no maintainability if the whole replacement is needed if problems occur, so that the function expansion and the market maintenance are not facilitated.
The traditional test principle and method are as follows: RS485 is a serial bus interface standard, and currently, only two RS485 interfaces are reserved in a concentrator, allowing one transmitter to drive multiple load devices on a pair of twisted-pair wires. The technical scheme has the following problems: the method has the advantages that firstly, the field maintainability is poor, no indication function is provided, and whether the terminal problem or the RS485 communication problem cannot be timely judged by field personnel; secondly, the function expansion of the terminal in the later period is not facilitated, and for the non-standard RS485 function, the terminal cannot realize the expansibility for increasing an RS485 channel or evading the RS485 safety channel; and thirdly, the maintainability is poor, and the problem is caused and the maintenance is required to be improved integrally with the terminal.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an aim at provides an external module RS485 device of energy controller, through the RS485 device of module, improved the scalability of energy controller, strengthened RS 485's function, increased the way of link equipment, avoided the risk of terminal direct wiring, alleviateed staff intensity of labour, promoted the productbility of RS485 module, possessed the ability of modularization product batch production.
In order to solve the technical problem, an embodiment of the utility model provides an external module RS485 device of energy controller, include: the system comprises a power supply conversion management component, a functional module weak current interface component, a logic processing component, a module external interface component and a four-way 485 circuit component;
the power supply conversion management component is used for converting the voltage of an external power supply and is respectively electrically connected with the function module weak current interface component, the module external interface component and the four-way 485 circuit component and supplies power;
the function module weak current interface component is in data connection with the logic processing component, receives power distribution main station data sent by the energy controller and sends the power distribution main station data to the logic processing component;
the module external interface component is in data connection with the logic processing component, and receives end equipment data sent by end equipment and sends the end equipment data to the logic processing component;
the four-way 485 circuit assembly is in data connection with the logic processing assembly, communication is completed in a serial master-slave communication mode, and a receiving and transmitting mode of balanced sending and differential receiving is adopted, so that reliable and stable transmission of voltage difference signals is guaranteed.
Further, the external modularized RS485 device of the energy controller further comprises:
and the display component is electrically connected with the logic processing component and displays the tool state of the device according to the control signal sent by the logic processing component.
Further, the display assembly includes: the operation display lamp and the communication display lamp.
Further, the external modularized RS485 device of the energy controller further comprises:
and the storage expansion component is electrically connected with the logic processing component and is used for receiving and storing the power distribution main station data and the end equipment data which are sent by the logic processing component.
The embodiment of the utility model provides an above-mentioned technical scheme has following profitable technological effect:
through the RS485 device of modularization, the expandability of the energy controller is improved, the function of RS485 is enhanced, the way of connecting end equipment is increased, the risk of direct wiring of a terminal is avoided, the labor intensity of workers is reduced, the product capability of the RS485 module is improved, and the capacity of modularized product batch production is achieved.
Drawings
Fig. 1 is a schematic structural diagram of an external modularized RS485 device of an energy controller according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a power conversion management module according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a four-way 485 circuit assembly provided by an embodiment of the invention;
fig. 4 is a schematic diagram of a logic processing module circuit provided by an embodiment of the present invention;
fig. 5 is a schematic diagram of an environment for using an energy controller according to an embodiment of the present invention, the environment being based on an external modularized RS485 device of the energy controller.
Reference numerals:
1. the system comprises a power supply conversion management component, 2, a functional module weak current interface component, 3, a logic processing component, 4, a module external interface component, 5 and a four-way 485 circuit component.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in combination with the following embodiments. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Referring to fig. 1, an embodiment of the present invention provides an external modularized RS485 device of an energy controller, including: the system comprises a power supply conversion management component 1, a functional module weak current interface component 2, a logic processing component 3, a module external interface component 4 and a four-way 485 circuit component 5. The power supply conversion management component 1 is used for carrying out voltage conversion on an external power supply and is respectively electrically connected with the functional module weak current interface component 2, the module external interface component 4 and the four-way 485 circuit component 5 and supplies power; the functional module weak current interface component 2 is in data connection with the logic processing component 3, receives power distribution main station data sent by the energy controller and sends the power distribution main station data to the logic processing component 3; the module external interface component 4 is in data connection with the logic processing component 3, and receives end equipment data sent by end equipment and sends the end equipment data to the logic processing component 3; the four-way 485 circuit assembly 5 is in data connection with the logic processing assembly 3, communication is completed in a serial master-slave communication mode, and a receiving and transmitting mode of balanced sending and differential receiving is adopted, so that reliable and stable transmission of voltage difference signals is guaranteed.
The external modularized RS485 device of the energy controller improves the expandability of the energy controller through the modularized RS485 device, enhances the functions of the RS485, increases the ways of connecting end equipment, avoids the risk of direct wiring of a terminal, lightens the labor intensity of workers, improves the producibility of the RS485 module, and has the capability of batch production of modularized products.
Referring to fig. 2, fig. 3 and fig. 4, in a specific implementation manner of the embodiment of the present invention, the power conversion management component 1: and a stable working power supply +3.3V and relay driving voltage are provided for the whole test module. J1 is + 5V power supply access; BL9161 is ZL6205A33TS5 low-voltage linear voltage regulator, and is responsible for converting to 3.3V voltage and providing working power supply for the system.
The functional module weak current interface component 2 is mainly used for realizing power supply and serial port communication with 2 x 3 slots of the energy controller after voltage conversion of the module, the header 3x2 is mainly used for realizing interconnection and intercommunication by the type of slots, and meanwhile, the energy controller realizes 5 slots of the type.
The logic processing component 3 comprises 2 independent 12bit 2MSPS ADCs, 1 PGA with adjustable gain, 3 voltage Comparators (CMP), 3 multifunctional 16bit PWM timers (Timer 6) support 6 complementary PWM outputs, 3 motor PWM timers (Timer 4) support 18 complementary PWM outputs, 6 16bit universal timers (timerA) support 3 paths of 3-phase orthogonal coding inputs and 48 paths of Duty independent settable PWM outputs, 11 serial communication interfaces (I2C/UART/SPI), 1 QSPI interface, 1 path of CAN, 4I 2S support audio PLL,2 SDIO, and FS PHY on 1 USB FS Controller band supports Device/Host.
The module external interface assembly 4 is mainly used for connecting an external 4-slot phoenix terminal, is divided into 4 paths of 485 positive and negative poles, and is used for connecting 485 line communication end equipment.
The four-way 485 circuit component 5 is mainly used for realizing the intercommunication between the terminal and the terminal equipment based on the control unit.
Further, the external modularized RS485 device of the energy controller further comprises: and a display component. The display component is electrically connected with the logic processing component 3 and displays the tool state of the device according to the control signal sent by the logic processing component 3.
Further, the display assembly includes: the operation display lamp and the communication display lamp.
Further, the external modularized RS485 device of the energy controller further comprises: the expansion component is stored. The storage expansion component is electrically connected with the logic processing component 3, and receives and stores the power distribution main station data and the end equipment data sent by the logic processing component 3.
Specifically, an external FLASH interface of the storage unit accesses FLASH through an AHB I-CODE and a D-CODE, and can perform programming, erasing and full-erasing operations on the FLASH; code execution is accelerated by instruction prefetching and caching mechanisms. The maximum 512 KbyeFLASH space, the 16Byte pre-value of the I-CODE bus, and 64 caches (1 Kbyte) shared on the I-CODE and D-CODE buses; the self-contained 4KB power-down mode retention SRAM (Ret _ SRAM) and 188KB system SRAM (SRAMH/SRAM 1/SRAM2/SRAM 3). SRAM is accessible in bytes, half words (16 bits) or full words (32 bits). The read and write operations are performed at CPU speed and may be inserted into a wait period. Ret _ SRAM may provide 4KB of data retention space in Power down mode.
Through the device, the energy controller can reduce the dependence on the RS485 function, is not an integrated device, can enable the RS485 module to become a real modular product, and has an independent function. The RS485 module has a storage function, can realize more functions by driving a program burning method, and is expanded to more terminal products. Can realize batchization RS485 module volume production, possess independent test, transfer examine, the function of censorship.
The external modularized RS485 device of the energy controller is matched with the energy controller, so that the automatic test of a product can be realized, the debugging flow of the energy controller is simplified, and the automatic and informatization application level of the product test is improved. In addition, the device also realizes the prospect requirements of hardware platformization and modularization, and realizes function diversification by matching with the App container technology in function. Through the modularization mode, above-mentioned device has visual operating characteristics, has made things convenient for on-the-spot fortune dimension personnel and producers, discovery product problem and the timely location problem that can be faster. The modularization is changed, more improves work efficiency and yields.
Referring to fig. 5, based on the external modular RS485 device of the energy controller, the energy controller may operate according to the following steps: receiving a file or a task about end equipment issued by a power distribution master station, receiving and analyzing the file or the task through a puAmr application in a marketing container of an energy controller, and storing the file and the task in a data center through a system App; for the master station data received by the energy controller, after being processed by the edge computing taskManager, the master station data sends a protocol frame to the RS485 module, and the master station data also receives feedback data from the RS485 module; after the 485 module receives the data frame, the data can be forwarded to the end device in the form of a 485 communication line.
The embodiment of the utility model provides an aim at protecting the external module RS485 device of an energy controller, include: the system comprises a power supply conversion management assembly, a functional module weak current interface assembly, a logic processing assembly, a module external interface assembly and a four-way 485 circuit assembly. The power supply conversion management assembly is used for converting the voltage of an external power supply, and is respectively electrically connected with the weak current interface assembly of the functional module, the external interface assembly of the module and the four-way 485 circuit assembly and supplies power; the function module weak current interface component is in data connection with the logic processing component, receives power distribution main station data sent by the energy controller and sends the power distribution main station data to the logic processing component; the module external interface assembly is in data connection with the logic processing assembly, and the end equipment data sent by the receiving end equipment is sent to the logic processing assembly; the four-way 485 circuit assembly is in data connection with the logic processing assembly, communication is completed in a serial master-slave communication mode, and a receiving and transmitting mode of balanced sending and differential receiving is adopted, so that reliable and stable transmission of voltage difference signals is guaranteed. The technical scheme has the following effects:
through the RS485 device of modularization, the expandability of the energy controller is improved, the RS485 function is enhanced, the way of connecting end equipment is increased, the risk of direct wiring of a terminal is avoided, the labor intensity of workers is reduced, the productability of the RS485 module is improved, and the capacity of modularized product batch production is achieved.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundary of the appended claims, or the equivalents of such scope and boundary.
Claims (5)
1. The utility model provides an external module RS485 device of energy controller which characterized in that includes: the system comprises a power supply conversion management assembly (1), a functional module weak current interface assembly (2), a logic processing assembly (3), a module external interface assembly (4) and a four-way 485 circuit assembly (5);
the power supply conversion management assembly (1) is used for carrying out voltage conversion on an external power supply and is respectively electrically connected with the functional module weak current interface assembly (2), the module external interface assembly (4) and the four-way 485 circuit assembly (5) and supplies power;
the functional module weak current interface component (2) is in data connection with the logic processing component (3), receives power distribution main station data sent by the energy controller and sends the power distribution main station data to the logic processing component (3);
the module external interface component (4) is in data connection with the logic processing component (3), and receives end equipment data sent by end equipment and sends the end equipment data to the logic processing component (3);
the four-way 485 circuit assembly (5) is in data connection with the logic processing assembly (3), communication is completed in a serial master-slave communication mode, and a receiving and transmitting mode of balanced sending and differential receiving is adopted, so that reliable and stable transmission of voltage difference signals is guaranteed.
2. The external modular RS485 device of the energy controller of claim 1, further comprising:
and the display component is electrically connected with the logic processing component (3) and displays the tool state of the device according to the control signal sent by the logic processing component (3).
3. The external modular RS485 device of an energy controller of claim 2,
the display assembly includes: the operation display lamp and the communication display lamp.
4. The external modular RS485 device of an energy controller as claimed in claim 2 or 3,
the display component is an LED lamp display component.
5. The external modular RS485 device of the energy controller of claim 1, further comprising:
and the storage expansion component is electrically connected with the logic processing component (3) and is used for receiving and storing the power distribution main station data and the end equipment data sent by the logic processing component (3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220697749.6U CN217691955U (en) | 2022-03-28 | 2022-03-28 | External module RS485 device of energy controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220697749.6U CN217691955U (en) | 2022-03-28 | 2022-03-28 | External module RS485 device of energy controller |
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| Publication Number | Publication Date |
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| CN217691955U true CN217691955U (en) | 2022-10-28 |
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| CN202220697749.6U Active CN217691955U (en) | 2022-03-28 | 2022-03-28 | External module RS485 device of energy controller |
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