CN210053402U - High-speed power line communication device - Google Patents
High-speed power line communication device Download PDFInfo
- Publication number
- CN210053402U CN210053402U CN201921218663.5U CN201921218663U CN210053402U CN 210053402 U CN210053402 U CN 210053402U CN 201921218663 U CN201921218663 U CN 201921218663U CN 210053402 U CN210053402 U CN 210053402U
- Authority
- CN
- China
- Prior art keywords
- power line
- speed power
- line communication
- communication protocol
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004891 communication Methods 0.000 title claims abstract description 267
- 238000012545 processing Methods 0.000 claims abstract description 40
- 230000003993 interaction Effects 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 5
- 238000012795 verification Methods 0.000 claims description 4
- MHABMANUFPZXEB-UHFFFAOYSA-N O-demethyl-aloesaponarin I Natural products O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=C(O)C(C(O)=O)=C2C MHABMANUFPZXEB-UHFFFAOYSA-N 0.000 claims description 3
- 239000005043 ethylene-methyl acrylate Substances 0.000 claims description 3
- 238000009499 grossing Methods 0.000 claims description 3
- 230000005055 memory storage Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000011161 development Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000004128 high performance liquid chromatography Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- LHMQDVIHBXWNII-UHFFFAOYSA-N 3-amino-4-methoxy-n-phenylbenzamide Chemical compound C1=C(N)C(OC)=CC=C1C(=O)NC1=CC=CC=C1 LHMQDVIHBXWNII-UHFFFAOYSA-N 0.000 description 1
- 101100236764 Caenorhabditis elegans mcu-1 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Communication Control (AREA)
Abstract
The utility model discloses a high-speed power line communication device, include: the high-speed power line communication protocol processor is used for realizing the processing of a physical layer protocol and a data link layer protocol of high-speed power line communication; the wireless communication protocol processor is used for realizing the processing of a physical layer protocol and a data link layer protocol of wireless communication; an application processor for implementing processing of an application layer protocol of the high-speed power line communication and the wireless communication; the communication module is used for realizing data receiving and transmitting; the memory is used for realizing the storage of data. The utility model provides a high-speed power line communication device for the agreement adopts independent treater separately to carry out with application processing, the protocol processing of being convenient for and application processing software's independent development, maintenance and upgrading and wireless communication mode's extension.
Description
Technical Field
The utility model relates to an electric power communication field especially relates to a high-speed power line communication device.
Background
Power Line Communication (PLC) is a Communication method for transmitting data and media signals by using a Power Line, and has been a mainstream technology of local Communication in an electricity information collection system due to its advantages of low construction cost, wide coverage, and the like. However, because a power line communication channel has strong interference and strong noise, communication isolated points cannot be completely avoided by means of power line communication, the purpose of full coverage and full acquisition is achieved, and when a power line is disconnected and a switch is disconnected, the effect is poor when power failure reporting is performed by means of power line communication, so that the power failure reporting is performed by other local communication modes, and therefore the power failure reporting is usually supplemented. Common power line local communication modes include micropower wireless, RS485 and other modes, Bluetooth, WIFI and other modes.
The existing technical scheme for acquiring the electricity utilization information is mostly based on a low-speed narrow-band carrier communication technology, and is expanded by adopting a mode of additionally arranging a relay communication device and additionally arranging a wireless communication module on a board level. There are few schemes that employ high-speed power line communication techniques.
The inventor finds that the existing single low-speed narrow-band carrier communication technology or high-speed power line communication technology has the problems of high cost and high power consumption in the aspects of solving the two-way interaction service requirement of the power consumption link of the smart grid, information lone point under severe environment, power failure event reporting and the like, the protocol processing and the application processing in the existing power line communication device adopt different technical standards, the standard adopted by the application processing is upgraded quickly, the requirements on interfaces, functions and performances of application layers of different terminal manufacturers and different users are different, and the development, maintenance and upgrading of the protocol processing and the application processing and the expansion of wireless communication are not facilitated.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-speed power line communication device, its upgrading and the update that can be convenient for protocol processing and application process.
In order to achieve the above object, the present invention provides a high-speed power line communication apparatus, including: the high-speed power line communication protocol processor is used for realizing the processing of a physical layer protocol and a data link layer protocol of high-speed power line communication; the wireless communication protocol processor is used for realizing the processing of a physical layer protocol and a data link layer protocol of wireless communication; an application processor for implementing processing of an application layer protocol of the high-speed power line communication and the wireless communication; the communication module is respectively in communication connection with the high-speed power line communication protocol processor, the wireless communication protocol processor and the application processor, and is used for sending data processed by the high-speed power line communication protocol processor, the wireless communication protocol processor and the application processor under the control of the high-speed power line communication protocol processor and the wireless communication protocol processor, or sending received data to the high-speed power line communication protocol processor, the wireless communication protocol processor and the application processor for processing; the memory is respectively connected with the high-speed power line communication protocol processor, the wireless communication protocol processor, the application processor and the communication module in a communication mode and used for storing data processed by the high-speed power line communication protocol processor, the wireless communication protocol processor and the application processor under the control of the high-speed power line communication protocol processor, the wireless communication protocol processor and the application processor; or storing the data received by the communication module; the communication module is further configured to send data stored in the memory, or store received data in the memory.
In a preferred embodiment, the method further comprises: and the high-speed power line communication protocol processor, the wireless communication protocol processor and the application processor are in communication connection through the interprocess communication module and are used for carrying out data interaction among the high-speed power line communication protocol processor, the wireless communication protocol processor and the application processor.
In a preferred embodiment, a vector interrupt controller NVIC is respectively disposed in the high-speed power line communication protocol processor, the wireless communication protocol processor and the application processor; the NVIC arranged in the high-speed power line communication protocol processor is used for controlling the interruption of the high-speed power line communication protocol processor; the NVIC arranged in the wireless communication protocol processor is used for controlling the interrupt of the wireless communication protocol processor; and the NVIC arranged in the application processor is used for controlling the interrupt of the application processor.
In a preferred embodiment, the memory comprises: the external memory interface is used for connecting with a synchronous dynamic random access memory SDRAM and/or a pseudo static random access memory PSRAM and/or an SPI Flash memory; the static random access memory SRAM is used for storing programs and data; and a cache controller respectively connected to the high speed power line communication protocol processor, the wireless communication protocol processor and the application processor, for smoothing performance differences between the high speed power line communication protocol processor, the wireless communication protocol processor and the application processor and a memory connected through the external memory interface.
In a preferred embodiment, the memory further comprises: and the one-time programmable device is used for storing the starting code and the device parameter of the high-speed power line communication device.
In a preferred embodiment, the high-speed power line communication apparatus further includes: and the system control unit SCU is used for controlling the power consumption, the reset and the clock of the high-speed power line communication device.
In a preferred embodiment, the method further comprises: an interface module; the interface module includes: the Ethernet controller interface EMAC, the two-wire serial interface I2C, the communication input and output interface GPIO, the universal asynchronous receiver/transmitter UART and the serial peripheral interface SPI; the SPI interface is connected with a micropower wireless radio frequency module, a wireless local area network or a Bluetooth module and is used for realizing wireless communication of the high-speed power line communication device.
In a preferred embodiment, the high-speed power line communication apparatus further includes: and the direct memory access controller DMAC is used for controlling the direct memory storage modes of the I2C, the SPI and the UART interface.
In a preferred embodiment, the communication module comprises: the modem is connected with the power line in a communication manner and used for demodulating and filtering signals received through the power line or modulating transmitted data and transmitting the modulated data through the power line; the encryption and decryption module is connected with the modem and used for decrypting the demodulated and filtered signals or encrypting the transmitted data; the verification module is connected with the encryption and decryption module and used for verifying the decrypted signal; the modem is also used for modulating the data encrypted by the encryption and decryption module.
In a preferred embodiment, the communication module further comprises: the wireless radio frequency module is used for receiving wireless radio frequency signals, demodulating and filtering the received wireless radio frequency signals and sending the demodulated or filtered signals to the encryption and decryption module; the wireless radio frequency module is also used for sending the data encrypted by the encryption and decryption module through wireless radio frequency; the WiFi module is used for receiving WiFi signals, demodulating and filtering the received WiFi signals and sending the demodulated or filtered signals to the encryption and decryption module; the WiFi module is also used for sending the data encrypted by the encryption and decryption module through WiFi; the Bluetooth module is used for receiving Bluetooth signals, demodulating and filtering the received Bluetooth signals and sending the demodulated or filtered signals to the encryption and decryption module; the Bluetooth module is also used for sending the data encrypted by the encryption and decryption module through Bluetooth.
Compared with the prior art, according to the utility model discloses a high-speed power line communication device, adopt the high-speed power line communication technology based on OFDM, realize the control and the dispatch of high-speed power line communication physical layer and the network deployment and the route on data link layer through high-speed power line communication protocol treater, wireless communication protocol treater realizes WIFI, the bluetooth, the processing of micropower wireless communication's agreement, application processor realizes high-speed power line communication and wireless communication's application layer agreement and handles, make agreement and application processing adopt independent treater separately to carry out, be convenient for the independent development of agreement processing and application processing software, maintain and upgrade and the extension of wireless communication mode.
Drawings
Fig. 1 is a schematic structural diagram of a high-speed power line communication device according to an embodiment of the present invention.
Description of the main reference numerals:
11-high speed power line communication protocol processor, 12-wireless communication protocol processor, 13-application processor, 14-inter-process communication unit, 21-system control unit, 22-direct memory access controller, 3-communication module, 31-modem, 32-encryption/decryption module, 33-check module, 34-wireless radio frequency module, 35-WiFi module, 36-Bluetooth module, 4-memory, 41-cache controller, 42-external memory interface, 43-one-time programmable device, 44-static random access memory, 5-interface module, 51-two-wire serial interface, 52-communication input/output interface, 53-universal asynchronous receiver/transmitter, 54-serial peripheral interface, 55-timer, 56-ethernet controller interface.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
As shown in fig. 1, according to the structure diagram of the high-speed power line communication device of the preferred embodiment of the present invention, the high-speed power line communication device in this embodiment can be disposed on the electric energy meter, the collector, and the concentrator. The high-speed power line communication apparatus in the present embodiment includes: the device comprises a high-speed power line communication protocol processor 11, a wireless communication protocol processor 12, an application processor 13, a communication module 3 and a memory 4.
The high-speed power line communication protocol processor 11 is configured to implement processing of a physical layer protocol and a data link layer protocol of high-speed power line communication, and specifically includes: control and scheduling of the physical layer and networking and routing of the data link layer.
The wireless communication protocol processor 12 is configured to implement processing of a physical layer protocol and a data link layer protocol of wireless communication such as WIFI, bluetooth, micropower, and the like.
The application processor 13 is used for implementing processing of application layer protocols of high-speed power line communication and wireless communication; the application layer protocol of high-speed power line communication and wireless communication can be realized, and the power communication protocols and exchange protocols such as DL/T645 and DL/T698 are supported, so that the purposes of communicating and exchanging information with power terminals (an electric energy meter, a collector and a concentrator) are achieved.
In one implementation, a vector interrupt Controller (NVIC) is respectively disposed in the high-speed power line communication protocol processor 11, the wireless communication protocol processor 12, and the application processor 13; the NVIC arranged in the high-speed power line communication protocol processor is used for controlling the interruption of the high-speed power line communication protocol processor, the ratio of a working clock to a bus clock is n:1, and n is a positive integer greater than or equal to 1. The NVIC arranged in the wireless communication protocol processor is used for controlling the interruption of the wireless communication protocol processor, the ratio of a working clock to a bus clock is m:1, and m is a positive integer greater than or equal to 1; the NVIC arranged in the application processor is used for controlling the interruption of the application processor, the ratio of a working clock to a bus clock is k:1, and k is a positive integer greater than or equal to 1.
All interrupts in the device are connected to NVIC of MCU1/MCU2/MCU3, and the software masks the respective interrupts which do not need to be responded to in practical application.
And a communication module 3, communicatively connected to the high-speed power line communication protocol processor 11, the wireless communication protocol processor 12, and the application processor 13, respectively, and configured to send data processed by the high-speed power line communication protocol processor 11, the wireless communication protocol processor 12, and the application processor 13 under the control of the high-speed power line communication protocol processor 11 and the micropower wireless communication protocol processor 12, or send received data to the high-speed power line communication protocol processor 11, the wireless communication protocol processor 12, and the application processor 13 for processing.
A memory 4, communicatively connected to the high-speed power line communication protocol processor 11, the wireless communication protocol processor 12, the application processor 13 and the communication module 3, respectively, and configured to store data processed by the high-speed power line communication protocol processor 11, the wireless communication protocol processor 12 and the application processor 13 under the control of the high-speed power line communication protocol processor 11, the micropower wireless communication protocol processor 12 and the application processor 13; or store the data received by the communication module 3;
the communication module 3 is further configured to send data stored in the memory 4, or directly store the received data in the memory 4.
The protocol processing and the application processing in the existing power line communication device adopt different technical standards, the technical standard adopted by the former is relatively stable, the standard adopted by the latter is upgraded quickly, the requirements of interfaces, functions and performances of application layers of different terminal manufacturers and different users are different, the application layers are required to be modified frequently, and the protocol processing and the application processing in the existing scheme share one processor, so that the protocol processing and the application processing are not beneficial to independent development, maintenance and upgrading.
The high-speed power line communication device provided by the embodiment adopts an OFDM-based high-speed power line communication technology, realizes control and scheduling of a high-speed power line communication physical layer and networking and routing of a data link layer through a high-speed power line communication protocol processor, realizes processing of WIFI, Bluetooth and a micropower wireless communication protocol through a wireless communication protocol processor, and realizes an application layer protocol of high-speed power line communication and wireless communication through an application processor, so that the protocol processing and the application processing are executed by respective independent processors, and independent development, maintenance and upgrading of protocol processing and application processing software and expansion of a wireless communication mode are facilitated.
Furthermore, the wireless communication protocol processor is reserved so as to expand other wireless communication modes, interaction between different communication modes at a lower bottom layer is facilitated, and therefore the overall reliability of power local communication is improved.
Further, the high-speed power line communication apparatus in the present embodiment may further include: the Inter-Process Communication (IPC) unit 14 is configured to communicatively connect the high-speed plc protocol processor 11, the wireless Communication protocol processor 12, and the application processor 13 through the Inter-Process Communication module 14, and is configured to perform data interaction among the high-speed plc protocol processor 11, the wireless Communication protocol processor 12, and the application processor 13. The functions of interruption interaction, mailbox information interaction and the like can be realized.
In one implementation, the memory 4 includes: the Cache controller Cache _ CTRL41, external memory interface EMIF42, one-time programmable device 43, and SRAM 44.
An external memory interface EMIF42, through which the cache controller 41 is connected to an external Synchronous Dynamic Random Access Memory (SDRAM) and/or Pseudo Static Random Access Memory (PSRAM) and/or SPI Flash memory via the external memory interface 42.
One of them can be selected from SDRAM and PSRAM. The SPI Flash memory is used for the operating system, protocol stack and application software (or images thereof). The SPI Flash interface supports a single SPI interface and a quad SPI interface. In the low-cost electric energy meter and collector communication module, only SPI Flash can be sealed, and SDRAM/PSRAM is not sealed; SPI Flash and SDRAM (or PSRAM) are sealed in a high-performance concentrator communication module. The SDRAM is a large-capacity memory, the ratio of a bus clock to a working clock of the SDRAM is p:1, and p is a positive integer greater than or equal to 1. The embodiment adopts a System In Package (SIP) to seal a Flash memory and an SDRAM or PSRAM.
A Cache controller Cache _ CTRL41, respectively connected to the high-speed plc protocol processor 11, the wireless communication protocol processor 12, and the application processor 13, for smoothing performance differences between the high-speed plc protocol processor 11, the wireless communication protocol processor 12, and the application processor 13 and the memory connected through the external memory interface 42.
A One Time Programmable (OTP) device 43 for storing a start code and device parameters of the high-speed power line communication device.
The SRAM44 is an on-chip memory used for program and data storage, and a shared memory pool for data interaction among the high-speed plc processor 11, the wireless communication protocol processor 12, and the application processor 13.
The high-speed power line communication apparatus provided by the present embodiment further includes an interface module 5.
The interface module 5 includes: two-wire serial interface I2C51, communication input/output interface GPIO52, universal asynchronous receiver/transmitter UART53, serial peripheral interface SPI54, Timer55 and Ethernet controller interface EMAC 56; in this embodiment, 3 sets of sub-interface modules may be provided, where each set of sub-interface module includes: a set of Timer, a set of I2C, a set of GPIO, a set of UART, and an SPI.
I2C51 is a two-wire serial interface for connection to the I2C bus.
The communication input and output interface GPIO52, each group of 16, supports level and edge interruption. Particularly, software can configure GPIOs to select 3 or 1 of the GPIOs to support three-phase or single-phase zero-crossing detection in power line communication, and through combination with network reference time (NTB) in an HPLC Modem, the GPIOs can latch NTB values of upper and lower zero-crossing points of the three-phase or single-phase, so that bases are provided for phase identification and station area identification based on NTB zero-crossing detection in power line communication. Meanwhile, if the zero-crossing detection GPIO does not turn over in level within the set time length, interruption is triggered and sent to the processor, and the processor is used as an auxiliary judgment basis for power failure reporting.
And 2 universal asynchronous transceivers UART53, each group of which supports RS485 and infrared communication protocols of the electric energy meter and the collector.
The serial peripheral interface SPI54, 1 of every group supports master-slave mode, through the SPI interface, adopts to close the mode to expand and support wireless communication modes such as RF, BT/WIFI, SPI work is as the high-speed data transmission interface of outside main control chip when the mode from. When the wireless communication device is an external device, the SPI interface 54 may be connected to an external micropower wireless radio frequency module, a wireless local area network, or a bluetooth module, so as to implement wireless communication of the high-speed power line communication apparatus. The wireless communication device may also be a communication module in the present device.
Timer (Timer) 55: each group contains 16 timing units, respectively: 2 watchdog WDT timers, 2 PWM timers and 12 general timers, wherein a timer counting clock source can be configured to be a bus clock or an external crystal clock through software. Under the configuration of software, counting and timing functions required by physical layer processing, protocol processing and application layer processing of the power line communication and wireless communication can be provided. The WDT timer can be used for resetting the processor and the whole system when the processor software is run away; the WDT is also used to monitor a transmission/reception abnormality of a high-speed power line communication physical layer (HPLC Modem), and to reset a transmission/reception link of the HPLC Modem when an unknown abnormality occurs in the physical layer. The PWM can be matched with a UART transmitting pin to provide an infrared communication transmitting function (the infrared receiving function is realized through a board-level circuit and the UART receiving pin) required by the electric energy meter and the collector.
And the Ethernet controller interface EMAC56 supports an MII/RMII interface, provides a high-speed debugging communication interface and serves as a high-speed wired communication mode of a concentrator communication module.
In the embodiment, wireless communication modes such as RF, WIFI and BT are realized by expanding the UART and SPI interfaces, and the SPI interface can also be used as a high-speed data transmission interface of the external main control chip when the slave mode is performed. The WIFI/BT is a wireless local area network and Bluetooth module working at a 2.4GHz frequency band. The wireless communication of the high-speed power line communication apparatus may be implemented using an SIP package encapsulating a micro-power radio frequency chip (RF) and a WIFI or BT communication module. Therefore, the system-in-package supports local power communication modes such as micro-power wireless, WIFI/BT, off-line and RS 485. Except for a special UART port communicated with the power terminal, pins of other functions are multiplexed with GPIO.
It should be noted that although the present embodiment uses three processors to perform the processing of the high speed power line communication physical layer and data link layer protocol, the wireless communication protocol, and the application layer protocol for implementing the high speed power line communication and the wireless communication, the apparatus provided in the present embodiment may also implement only the high speed power line communication if the above-mentioned interface does not have an external wireless module.
In one implementation, the high-speed power line communication apparatus further includes: a system control unit SCU21 for controlling power consumption, reset, and clock of the high-speed power line communication protocol processor 11, the wireless communication protocol processor 12, the application processor 13, the communication module 3, and the memory 4.
The high-speed power line communication apparatus further includes: the DMA controller 22(Direct Memory access controller, DMAC) has I2C, SPI, and UART in the device all support DMA modes, and the DMA controller 22 is used to control the Direct Memory storage modes of I2C, SPI, and UART interfaces in the interface module 5, so as to reduce the scheduling and control requirements on the processor during the low-speed peripheral data transmission process.
In one implementation, the communication module 3 includes: a modem 31, an encryption/decryption module 32, a verification module 33, a radio frequency module 34, a WiFi module 35 and a Bluetooth module 36.
The modem 31 is connected to the power line communication, and demodulates and filters a signal received via the power line, or modulates data to be transmitted, and transmits the modulated data via the power line. And is also used for modulating the data encrypted by the encryption and decryption module 32.
Specifically, the Modem is a high-speed power line carrier communication Modem HPLC Modem, has a working frequency range of 0.7-12MHz, supports carrier shielding and segmented working, and specifically includes an OFDM power line digital modulation and demodulation portion and an analog front end (analog-to-digital converter ADC, digital-to-analog converter DAC, programmable gain amplifier PGA, analog low-pass/band-pass filter (LPF/BPF) with adjustable bandwidth, line driver, and the like).
The encryption and decryption module 32 is connected to the modem 31, and is configured to decrypt the demodulated and filtered signal or encrypt the transmitted data.
The verification module 33 is connected to the encryption and decryption module 31, and is configured to verify the decrypted signal.
A radio frequency module RF34, configured to receive a radio frequency signal, demodulate and filter the received radio frequency signal, and send the demodulated or filtered signal to the encryption and decryption module 32; the radio frequency module 34 is further configured to send the data encrypted by the encryption and decryption module 32 through radio frequency.
The WiFi module 35 is configured to receive a WiFi signal, demodulate and filter the received WiFi signal, and send the demodulated or filtered signal to the encryption and decryption module 32; the WiFi module 35 is further configured to send the data encrypted by the encryption and decryption module 32 through WiFi.
A bluetooth module BT36, configured to receive a bluetooth signal, demodulate and filter the received bluetooth signal, and send the demodulated or filtered signal to the encryption and decryption module 32; the bluetooth module 36 is further configured to send the data encrypted by the encryption and decryption module 32 through bluetooth.
It should be noted that the illustration in the figure is only one implementation manner, and is not a limitation of the connection relationship in the embodiment. In this embodiment, the SPI interface 54 may be connected to an external micropower wireless rf module, a wireless lan module, or a bluetooth module, so as to implement wireless communication of the high-speed power line communication apparatus. The communication connection in this embodiment may be through an AMBA bus, and the interconnection structure is a matrix structure, providing a high system bus throughput.
Therefore, the high-speed power line communication device provided by the embodiment is low in cost and small in size, interaction between different communication modes is facilitated at a lower bottom layer, and the overall reliability of power local communication is improved.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (10)
1. A high-speed power line communication apparatus, comprising:
the high-speed power line communication protocol processor is used for realizing the processing of a physical layer protocol and a data link layer protocol of high-speed power line communication;
the wireless communication protocol processor is used for realizing the processing of a physical layer protocol and a data link layer protocol of wireless communication;
an application processor for implementing processing of an application layer protocol of the high-speed power line communication and the wireless communication;
the communication module is respectively in communication connection with the high-speed power line communication protocol processor, the wireless communication protocol processor and the application processor, and is used for sending data processed by the high-speed power line communication protocol processor, the wireless communication protocol processor and the application processor under the control of the high-speed power line communication protocol processor and the wireless communication protocol processor, or sending received data to the high-speed power line communication protocol processor, the wireless communication protocol processor and the application processor for processing; and
the memory is respectively connected with the high-speed power line communication protocol processor, the wireless communication protocol processor, the application processor and the communication module in a communication mode and used for storing data processed by the high-speed power line communication protocol processor, the wireless communication protocol processor and the application processor under the control of the high-speed power line communication protocol processor, the wireless communication protocol processor and the application processor; or storing the data received by the communication module;
the communication module is further configured to send data stored in the memory, or store received data in the memory.
2. The high speed power line communication apparatus according to claim 1, further comprising:
and the high-speed power line communication protocol processor, the wireless communication protocol processor and the application processor are in communication connection through the interprocess communication module and are used for carrying out data interaction among the high-speed power line communication protocol processor, the wireless communication protocol processor and the application processor.
3. The high-speed power line communication apparatus according to claim 1, wherein vector interrupt controllers NVICs are provided in the high-speed power line communication protocol processor, the wireless communication protocol processor, and the application processor, respectively;
the NVIC arranged in the high-speed power line communication protocol processor is used for controlling the interruption of the high-speed power line communication protocol processor; the NVIC arranged in the wireless communication protocol processor is used for controlling the interrupt of the wireless communication protocol processor; and the NVIC arranged in the application processor is used for controlling the interrupt of the application processor.
4. The high speed power line communication apparatus according to claim 1, wherein the memory comprises:
the external memory interface is used for connecting with a synchronous dynamic random access memory SDRAM and/or a pseudo static random access memory PSRAM and/or a SPIFlash memory;
the static random access memory SRAM is used for storing programs and data; and
a cache controller respectively connected to the high speed power line communication protocol processor, the wireless communication protocol processor and the application processor, for smoothing performance differences between the high speed power line communication protocol processor, the wireless communication protocol processor and the application processor and a memory connected through the external memory interface.
5. The high speed power line communication apparatus of claim 4, wherein the memory further comprises:
and the one-time programmable device is used for storing the starting code and the device parameter of the high-speed power line communication device.
6. The high speed power line communication apparatus according to claim 1, further comprising: and the system control unit SCU is used for controlling the power consumption, the reset and the clock of the high-speed power line communication device.
7. The high speed power line communication apparatus according to claim 6, further comprising: an interface module;
the interface module includes: the Ethernet controller interface EMAC, the two-wire serial interface I2C, the communication input and output interface GPIO, the universal asynchronous receiver/transmitter UART and the serial peripheral interface SPI;
the SPI interface is connected with a micropower wireless radio frequency module, a wireless local area network or a Bluetooth module and is used for realizing wireless communication of the high-speed power line communication device.
8. The high speed power line communication apparatus according to claim 7, further comprising: and the direct memory access controller DMAC is used for controlling the direct memory storage modes of the I2C, the SPI and the UART interface.
9. The high speed power line communication apparatus according to claim 1, wherein the communication module comprises:
the modem is connected with the power line in a communication manner and used for demodulating and filtering signals received through the power line or modulating transmitted data and transmitting the modulated data through the power line;
the encryption and decryption module is connected with the modem and used for decrypting the demodulated and filtered signals or encrypting the transmitted data; and
the verification module is connected with the encryption and decryption module and used for verifying the decrypted signal;
the modem is also used for modulating the data encrypted by the encryption and decryption module.
10. The high speed power line communication apparatus according to claim 9, wherein the communication module further comprises:
the wireless radio frequency module is used for receiving wireless radio frequency signals, demodulating and filtering the received wireless radio frequency signals and sending the demodulated or filtered signals to the encryption and decryption module; the wireless radio frequency module is also used for sending the data encrypted by the encryption and decryption module through wireless radio frequency;
the WiFi module is used for receiving WiFi signals, demodulating and filtering the received WiFi signals and sending the demodulated or filtered signals to the encryption and decryption module; the WiFi module is also used for sending the data encrypted by the encryption and decryption module through WiFi;
the Bluetooth module is used for receiving Bluetooth signals, demodulating and filtering the received Bluetooth signals and sending the demodulated or filtered signals to the encryption and decryption module; the Bluetooth module is also used for sending the data encrypted by the encryption and decryption module through Bluetooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921218663.5U CN210053402U (en) | 2019-07-30 | 2019-07-30 | High-speed power line communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921218663.5U CN210053402U (en) | 2019-07-30 | 2019-07-30 | High-speed power line communication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210053402U true CN210053402U (en) | 2020-02-11 |
Family
ID=69399455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921218663.5U Active CN210053402U (en) | 2019-07-30 | 2019-07-30 | High-speed power line communication device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210053402U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111402566A (en) * | 2020-03-06 | 2020-07-10 | 青岛东软载波科技股份有限公司 | Readable and writable electricity meter module based on high-speed carrier and wireless spread spectrum and using method |
-
2019
- 2019-07-30 CN CN201921218663.5U patent/CN210053402U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111402566A (en) * | 2020-03-06 | 2020-07-10 | 青岛东软载波科技股份有限公司 | Readable and writable electricity meter module based on high-speed carrier and wireless spread spectrum and using method |
| CN111402566B (en) * | 2020-03-06 | 2021-04-23 | 青岛东软载波科技股份有限公司 | Readable and writable electricity meter module based on high-speed carrier and wireless spread spectrum and using method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2265899B1 (en) | Universal software defined home gateway | |
| EP2293627B1 (en) | Radio communication device, terminal, system, and program | |
| US20160050513A1 (en) | Rf front-end architecture for machine-to-machine applications | |
| CN102868647B (en) | Data processing method and device based on Linux network core | |
| CN107872250B (en) | A kind of communication module and its communication means that electric system public affairs private network is general | |
| JP2017523703A (en) | In-vehicle wireless LAN device | |
| CN211557493U (en) | Edge thing allies oneself with communication analytic device | |
| CN204928889U (en) | Many interfaces protocol converter | |
| CN104994014A (en) | Communication method between power line carrier wave IPv and wireless ZigBee in smart grid communication | |
| CN106789605A (en) | A kind of railway real-time ethernet TRDP gateways | |
| CN102946447A (en) | Long-distance data transmission system and long-distance data transmission method of commercial plant | |
| CN210053402U (en) | High-speed power line communication device | |
| CN202679655U (en) | Multi-band heterogeneous internet of things gateway device | |
| CN110187172A (en) | A kind of ammeter monitoring system converted based on infrared modulated with wireless communication | |
| CN106506306B (en) | Method and device for transmitting data message | |
| CN211296722U (en) | Communication system for converting high-speed carrier waves of low-voltage power line into Bluetooth | |
| CN202978995U (en) | Intelligent household system integrated access and control device | |
| CN103067323A (en) | Intermediate frequency demodulating device applied to interphone | |
| CN102869045B (en) | A kind of data transmission method and system | |
| CN202334587U (en) | Gateway device for mutual conversion of messages of buses | |
| CN104092475A (en) | On-board network signal conversion device | |
| CN107026677A (en) | A kind of ammeter network and its communication means based on three-phase electricity | |
| US20170302319A1 (en) | Wearable devices and methods for data transmission and reception therewith | |
| CN207625580U (en) | vehicle-mounted control terminal | |
| CN101778493A (en) | Terminal equipment supporting various network access modes, system and realization method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |