CN206790481U - Embedded electric power communication processor based on electric power Internet of Things - Google Patents
Embedded electric power communication processor based on electric power Internet of Things Download PDFInfo
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- CN206790481U CN206790481U CN201720735571.9U CN201720735571U CN206790481U CN 206790481 U CN206790481 U CN 206790481U CN 201720735571 U CN201720735571 U CN 201720735571U CN 206790481 U CN206790481 U CN 206790481U
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Abstract
The utility model provides a kind of embedded electric power communication processor based on electric power Internet of Things, extends the functions such as ethernet interface, USB communication interface, LoRaWAN wireless communication interfaces, WIFI wireless communication interfaces, ZigBee wireless communication interfaces, 2G/3G/4G cellular radio Communication interfaces using AM335X series Li nux core boards.Meanwhile AM335X core boards pass through the function such as extension CPU STM32F103 single-chip microcomputer extensions up to 12 road RS232, RS485 communication interfaces and LCD liquid crystal displays, key-press input, communications status instruction.The utility model greatly simplify the work such as the wiring, construction, debugging of the communications cable of communication processor.
Description
Technical field
The utility model patent is related to embedded electric power communication processor, and it is mainly used in power automatic system, synthesis
Energy management system, dynamic environment monitoring system, intelligent building system etc., realize live different manufacturers, different model intelligence
The interface conversion of equipment, data acquisition, data processing, data packing, data forwarding etc., there is provided including RS232, RS485 communication,
The functions such as WIFI, LoRaWAN, 2G/3G/4G radio communication, ZigBee radio communications.
Background technology
The embedded communication supervisor that domestic electrical automatic field uses at present communication interface, communication data collection with
And communication data forwarding aspect is all that these conventional physical interfaces cause using RS485, RS232, USB, Ethernet interface interface etc.
Scene must lay special Shielded Twisted Pair or surpass 5 class lines to realize the forwarding of the collection of data or data.And surpass 5 class lines
It can not be needed to use optical cable transmission in the occasion more than 100 meters more than 100 meters etc. transmission range, cause construction cost, construction difficult
Degree etc. is significantly increased, and have impact on the rapid construction and debugging of monitoring system.In some special occasions, also exist the communications cable without
The problems such as physical obstacle that method passes through.Plus the fast development for moving Internet of Things in recent years, various radio communication costs significantly drop
Low, reliability is substantially improved.Therefore, it is necessary to research and develop the embedded electric power telecommunication management of a combination various wireless communication interface
Machine, these wave points can both be used for the various intelligent data of collection site, may also be used for by different wireless modes
Data are forwarded to distant server end.
Utility model content
It is more single in order to solve the embedded electric power communication processor communication interface of above-mentioned tradition, it can not meet that scene is various
Possess the networking requirement of the novel electric power smart machine of wireless communication interface and various wireless data forwarding channel demands, this practicality
It is new be directed to it is a kind of both possessed the communication interfaces such as traditional RS232, RS485, Ethernet interface, USB port, while and can provides
The embedded electric power communication processor of WIFI, LoRaWAN, 2G/3G/4G radio communication, ZigBee wireless communication interfaces.
The utility model solves the above problems, and the utility model provides following technical scheme：
A kind of embedded electric power communication processor based on electric power Internet of Things, the power communication supervisor include：Core
Plate AM335X CPU (1), LCD is shown and button, serial line interface (2), RS232, RS485 expanded circuit (3), extension CPU
STM32F103 circuits (4), gigabit Ethernet communication interface circuit (5), usb circuit (6), LoRaWAN wireless communication interfaces
Circuit (7), 2G/3G/4G cellular radio Communications interface circuit (8), ZigBee wireless communication interface circuits (9), WIFI channel radios
Believe interface circuit (10)；The extension CPU STM32F103 circuits (4), gigabit Ethernet communication interface circuit (5), USB interface
Circuit (6), LoRaWAN wireless communication interface circuits (7), 2G/3G/4G cellular radio Communications interface circuit (8), ZigBee is wireless
Communication interface circuit (9), WIFI wireless communication interface circuits (10) electrically connect with core board AM335XCPU (1) respectively, described
LCD is shown and button, serial line interface (2), RS232, RS485 expanded circuit (3) are electric with extension CPU STM32F103 respectively
Road (4) electrically connects；RS232, RS485 expanded circuit (3) and the LCD show and button, serial line interface (2) in
Serial line interface part electrically connects；
The core board AM335X passes through SPI, UART, the extension of parallel port Ethernet interface, USB interface, 2G/3G/4G honeybees
Nest wave point, LoRaWAN wave points, ZigBee wave points, WIFI wave points, the extension CPU STM32F103
Circuit (4) is additionally operable to LCD liquid crystal drivings, key-press input collection, LED communication state indicator functions.
Preferably, the LoRaWAN wireless communication interface circuits (7) use Semtech companies SX1278 chips as core
Chip centroid；
The 2G/3G/4G cellular radio Communications interface circuit (8) realizes 2G/3G/4G cellular radios using SL3000 chips
Communication interface extends；
The CC2430 chips of Zigbee protocol stack are realized built in ZigBee wireless communication interface circuits (9) use
The extension of ZigBee wireless communication interfaces；
The WIFI wireless communication interface circuits (10) are using high-performance, low-power consumption, small volume SDIO interface wireless modules
RTL8189ES chips realize WIFI wireless module Interface Expandings.
Preferably, the communication processor completes live number by RS485, RS232 interface circuit, and wireless mode
Data exchange is realized according to collection or with remote control center.
Preferably, ensure the security of wireless data transmission using AES-128 AESs, prevented using CSMA/CA agreements
Data in being only wirelessly transferred block and conflict.
Preferably, using the STM32F103CPU realization device LCD liquid crystal displays of extension, key-press input, LED communication states
Instruction.
Preferably, in RS232, RS485 expanded circuit (3), wherein RS485 communication circuit modules are specially：Using
ADM2483 chips as acp chip, RE, DE ports of ADM2483 chips respectively by the external high potentials of series resistance R2,
RxD ports are hanging, and TxD ports chip A ports, pass through resistance R3 connections VCC, chip B by series resistance R1 external high potentials
Port is by clicking and entering R11 ground connection；Parallel resistance R10, bilateral diode D1 are distinguished between A ports and B ports, then respectively by double
Concatenate and be grounded to diode D2, D3；Wherein D1, D2, D3 use SMCBJ6.0CA type bilateral diodes.
Preferably, in RS232, RS485 expanded circuit (3), wherein RS232 communication circuit modules are specially：Using
ADM2483 chips as acp chip, RE, DE ports of ADM2483 chips respectively by the external high potentials of series resistance R24,
RxD ports are hanging, and TxD ports chip A ports, pass through resistance R25 connection VCC, core by series resistance R23 external high potentials
Piece B ports are by clicking and entering R28 ground connection；Parallel resistance R27, bilateral diode D6 are distinguished between A ports and B ports, then is led to respectively
Cross bilateral diode D7, D8 concatenation ground connection；Wherein D6, D7, D8 use SMCBJ6.0CA type bilateral diodes.
Preferably, the LCD is shown is specially with the serial line interface in button, serial line interface (2) circuit：Adopt
By the use of 74HC14D chips as core, wherein 1A, 2A end of 74HC14D chips and 5A, 6A end respectively with RS232, RS485 circuit
In ADM2483 chips DE, TxD signal port connection, to detect its signal condition；1Y, 2Y end difference of 74HC14D chips
By series resistor R39, R40, connecting luminous diode COM1,5Y, 6Y ends are connected luminous by series resistor R41, R42 respectively
Diode COM2, COM1, COM2 other end are grounded.
Preferably, using two MAX3232 chips as connection circuit among AM335X and STM32F103 chips；Institute
State AM335X chips CAN1_RX, CAN1_TX pin access first MAX3232 chip T1IN, R1OUT pin, first
Pin T1OUT, R1IN corresponding to individual MAX3232 chips connect T1IN, R1OUT pin of second MAX3232 chip, second
Pin R1OUT, T1IN corresponding to MAX3232 chips connect PA9, PA10 pin of extension 1#CPU STM32F103 chips.
Traditional RS232, RS485, USB, Ethernet interface are extended plus STM32F103 using AM335X nucleus modules
Deng；Realize that LoRaWAN wireless communication interfaces extend using Semtech companies SX1278 chips；Realized using SL3000 chips
2G3G4G wireless communication interfaces extend；ZigBee wireless communication interfaces are realized using the CC2430 chips of built-in Zigbee protocol stack
Extension；WIFI wireless modules are realized using high-performance, low-power consumption, small volume SDIO interface wireless module RTL8189ES chips
Interface Expanding.Novel embedded power communication supervisor based on electric power Internet of Things has following feature：There is provided traditional
The wired communication interfaces such as RS485, RS233, RJ45 Ethernet interface stably, USB；Integrated WIFI, LoRaWAN, 2G/3G/4G,
The wave points such as ZigBee can both be used for downlink data acquisition channel, may also be used for as upstream data forwarding channel.This
A little wireless communication interface hardware circuits use modularized design, start actual need by modular event driven program corresponding to increase
The wireless communication interface wanted.This is that the data acquisition of electric power digital operational system and networking based on cloud platform big data from now on carries
More flexible, more economical scheme and selection are supplied.
Compared with prior art, the beneficial effects of the utility model are as follows：Using the new insertion based on electric power Internet of Things
Formula power communication supervisor, the communication interface requirement of live variety classes smart machine can be better met, for some nothings
Method lays the application scenario of wired communication cable, can quickly realize data sampling and processing and the forwarding of smart machine.Due to
These wireless communication interface hardware circuits use modularized design, can flexibly be selected according to live actual situation it is a certain or
Certain two kinds of wireless communication interface mode is flexibly handled, and preferably eliminates the peace of peripheral variety classes Wireless communication interface module
Assembling is put, and improves the reliability and economy of communication data collection, possesses wide social economic value.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structured flowchart of the present utility model；
Fig. 2 is the communications status indicator light circuit structural representation of the utility model RS232, RS485 communication interface；
Fig. 3 is the utility model extension CPU STM32F103 electrical block diagrams；
Fig. 4 is the utility model RS485 expanding communication electrical block diagrams；
Fig. 5 is the utility model RS232 expanding communication electrical block diagrams；
Fig. 6 is that the utility model AM335X is connected electrical block diagram with two MAX3232 chips.
In figure：1-CPU AM335X, 2-LCD liquid crystal display, button and indicator light circuit, 3-RS232, RS485 extension are logical
Believe circuit, 4- extension CPUs STM32F103,5- two-way gigabit Ethernet communication interface circuit, 6-USB interface circuits, 7-
LoRaWAN radio communication circuits, 8-2G/3G/4G wireless communication interface circuits, 9-ZigBee wireless communication interface circuits, 10-
WIFI wireless communication interface circuits.
Embodiment
The utility model embodiment is described in detail below in conjunction with the accompanying drawings.It will be appreciated that described embodiment is only
It is the utility model part of the embodiment, rather than whole embodiments.It is general based on the embodiment in the utility model, this area
All other embodiment that logical technical staff is obtained under the premise of creative work is not made, belong to the utility model guarantor
The scope of shield.
As shown in figure 1, RS232, RS485 communication interface (3), extension CPU STM32F103 (4) realization up to 12 tunnels 232,
The functions such as 485 interfaces and LCD liquid crystal displays, key-press input and communications status indicator lamp, embedded core board AM335X (1) are straight
Connect 2 road gigabit Ethernet mouths of extension and 2 tunnel USB ports, embedded core board AM335X (1) extend WIFI circuits using SPI modes
Interface (10)；LoRaWAN radio communication circuits (7), 2G/3G/4G wireless communication interface circuits (8), ZigBee radio communications connect
Mouth circuit (9), these three modules are all to realize data exchange by UART modes and embedded core board AM335X (1).LCD shows
Show with button, communication instruction (2) be mainly used to show and check the IP address of supervisor, the time, communication message transmitting-receiving statistics etc.,
Communication indicator lamp is mainly used to indicate power supply status, equipment running status, link working state, communication data reiving/transmitting state etc..
The extension CPU STM32F103 circuits (4), gigabit Ethernet communication interface circuit (5), usb circuit (6), LoRaWAN
Wireless communication interface circuit (7), 2G/3G/4G cellular radio Communications interface circuit (8), ZigBee wireless communication interface circuits
(9), WIFI wireless communication interface circuits (10) electrically connect with core board AM335X CPU (1) respectively, and the LCD shows and pressed
Key, serial line interface (2), RS232, RS485 expanded circuit (3) are electrically connected with extension CPU STM32F103 circuits (4) respectively
Connect；RS232, RS485 expanded circuit (3) and the LCD show and button, serial line interface (2) in communication instruction
Circuit part electrically connects.
In a specific embodiment, the utility model can use AM335X nucleus modules to expand plus STM32F103
Open up traditional RS232, RS485, USB, Ethernet interface etc.；Realize that LoRaWAN is wireless using Semtech companies SX1278 chips
Communication interface extends；Realize that 2G3G4G wireless communication interfaces extend using SL3000 chips；Using built-in Zigbee protocol stack
CC2430 chips realize the extension of ZigBee wireless communication interfaces；Using high-performance, low-power consumption, small volume SDIO interface wireless moulds
Group RTL8189ES chips realize WIFI wireless module Interface Expandings.Novel embedded power communication pipe based on electric power Internet of Things
Reason machine has following feature：The wire communications such as RS485, RS233, RJ45 Ethernet interface, the USB of traditional stabilization are provided to connect
Mouthful；The wave points such as integrated WIFI, LoRaWAN, 2G/3G/4G, ZigBee can both be used for downlink data acquisition channel,
Upstream data forwarding channel can be used as.These wireless communication interface hardware circuits use modularized design, pass through increase
Corresponding modular event driven program starts the wireless communication interface being actually needed.This is the electricity from now on based on cloud platform big data
Power digitizes operational system data acquisition and networking provides more flexible, more economical scheme and selection.
With reference to Fig. 3,4, in a specific embodiment, RS485, RS233 telecommunication circuit are made using ADM2483 chips
For acp chip.As shown in figure 3, in RS485 telecommunication circuits, RE, DE port of chip are external by series resistance R2 respectively
High potential, RxD ports are hanging, and TxD ports chip A ports, are connected by series resistance R1 external high potentials by resistance R3
VCC, chip B ports are grounded by clicking and entering R11；Parallel resistance R10, bilateral diode D1 are distinguished between A ports and B ports, then
Concatenated and be grounded by bilateral diode D2, D3 respectively；Wherein D1, D2, D3 use SMCBJ6.0CA type bilateral diodes；
ADM2483 vdd terminal and GND ends, are respectively adopted conventional peripheral circuit, and this is the common knowledge of this area, herein not
Repeat again.As shown in figure 4, in RS232 telecommunication circuits, RE, DE port of chip pass through the external high electricity of series resistance R24 respectively
Position, RxD ports are hanging, and TxD ports are by the external high potentials of series resistance R23, chip A ports, by resistance R25 connection VCC,
Chip B ports are by clicking and entering R28 ground connection；Parallel resistance R27, bilateral diode D6 are distinguished between A ports and B ports, then is distinguished
Concatenated and be grounded by bilateral diode D7, D8；Wherein D6, D7, D8 use SMCBJ6.0CA type bilateral diodes；ADM2483
Vdd terminal and GND ends, conventional peripheral circuit is respectively adopted, this be this area common knowledge, here is omitted.
With reference to Fig. 2, in a specific embodiment, the communications status indicator light circuit of RS232, RS485 communication interface
74HC14D chips can be used as core, wherein 1A, 2A end of 74HC14D chips and 5A, 6A end respectively with RS232, RS485
DE, TxD signal port connection of ADM2483 chips in circuit, to detect its signal condition；1Y, 2Y end of 74HC14D chips
Connected respectively by series resistor R41, R42 by series resistor R39, R40, connecting luminous diode COM1,5Y, 6Y ends respectively
Light emitting diode COM2, COM1, COM2 other end are grounded.
In a specific embodiment, as shown in fig. 6, using two MAX3232 chips as AM335X with
Connection circuit among STM32F103 chips.First of CAN1_RX, CAN1_TX pin access of AM335X chips
T1IN, R1OUT pin of MAX3232 chips, pin T1OUT, R1IN corresponding to first MAX3232 chip connect second
T1IN, R1OUT pin of MAX3232 chips, pin R1OUT, T1IN corresponding to second MAX3232 chip meet extension 1#CPU
PA9, PA10 pin of STM32F103 chips.The VCC of MAX3232 chips connects+3.3V working powers, and GND is with connecing working power.
It is the electrical level match needs for AM335X and STM32F103 corresponding pins using 2 MAX3232 chips.Extend a piece of
STM32F103 can extend most 5 road RS485 interfaces.First of AM335X GPIO0_29, GPIO3_1 pin access
T2IN, R2OUT pin of MAX3232 chips, pin T2OUT, R2IN corresponding to first MAX3232 chip connect second
T2IN, R2OUT pin of MAX3232 chips, pin R2OUT, T2IN corresponding to second MAX3232 chip meet extension 2#CPU
PA9, PA10 pin of STM32F103 chips.
The built-in Linux operating system bsp driver of embedded electric power communication processor is stored in AM335X cores
In the FLASH of plate.The embedded OS of AM335X core boards has contained Ethernet interface, the driver of USB port.
LCD liquid crystal displays, button driving, the driving of various status indicator lamps are stored in extension CPU STM32F103 FLASH.
WIFI, LoRaWAN, 2G/3G/4G radio communication, the protocol stack of ZigBee wireless communication interfaces realized by respective interface chip,
AM335X core boards managed by FLASH application program each wired, wireless communication interface parameter configuration, data acquisition,
Data processing, data forwarding etc..
In a specific embodiment, LCD show and key circuit, gigabit Ethernet communication interface circuit (5),
Usb circuit (6), LoRaWAN wireless communication interface circuits (7), 2G/3G/4G cellular radio Communications interface circuit (8),
ZigBee wireless communication interface circuits (9), WIFI wireless communication interface circuits (10) can use in this area and correspond to chip
Universal peripheral circuit design mode, its basic function is realized, those above-mentioned circuits are the common knowledge of this area, herein no longer
Repeat.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art is in the technical scope that the utility model discloses, the change that can readily occur in
Change or replace, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with right
It is required that protection domain be defined.
Claims (9)
- A kind of 1. embedded electric power communication processor based on electric power Internet of Things, it is characterised in that：The power communication supervisor Including：Core board AM335X CPU (1), LCD is shown and button, serial line interface (2), RS232, RS485 expanded circuit (3), extension CPU STM32F103 circuits (4), gigabit Ethernet communication interface circuit (5), usb circuit (6), LoRaWAN Wireless communication interface circuit (7), 2G/3G/4G cellular radio Communications interface circuit (8), ZigBee wireless communication interface circuits (9), WIFI wireless communication interface circuits (10)；The extension CPU STM32F103 circuits (4), gigabit Ethernet communication interface Circuit (5), usb circuit (6), LoRaWAN wireless communication interface circuits (7), 2G/3G/4G cellular radio Communications interface electricity Road (8), ZigBee wireless communication interface circuits (9), WIFI wireless communication interface circuits (10) respectively with core board AM335X CPU (1) electrically connect, the LCD is shown and button, serial line interface (2), RS232, RS485 expanded circuit (3) respectively with expansion Open up CPU STM32F103 circuits (4) electrical connection；RS232, RS485 expanded circuit (3) and the LCD shows and button, leads to Interrogate the serial line interface part electrical connection in indicating circuit (2)；The core board AM335X by SPI, UART, the extension of parallel port Ethernet interface, USB interface, 2G/3G/4G honeycombs without Line interface, LoRaWAN wave points, ZigBee wave points, WIFI wave points, the extension CPU STM32F103 circuits (4) LCD liquid crystal drivings, key-press input collection, LED communication state indicator functions are additionally operable to.
- 2. power communication supervisor according to claim 1, it is characterised in that：The LoRaWAN wireless communication interfaces electricity Road (7) is using Semtech companies SX1278 chips as acp chip；The 2G/3G/4G cellular radio Communications interface circuit (8) realizes 2G/3G/4G cellular radio Communications using SL3000 chips Interface Expanding；The ZigBee wireless communication interface circuits (9) use built in Zigbee protocol stack CC2430 chips realize ZigBee without The extension of line communication interface；The WIFI wireless communication interface circuits (10) are using high-performance, low-power consumption, small volume SDIO interface wireless modules RTL8189ES chips realize WIFI wireless module Interface Expandings.
- 3. power communication supervisor according to claim 1, it is characterised in that：The communication processor by RS485, RS232 interface circuit, and wireless mode, complete on-site data gathering or realize data exchange with remote control center.
- 4. power communication supervisor according to claim 1, it is characterised in that：Nothing is ensured using AES-128 AESs The security of line data transfer, prevent the data in being wirelessly transferred from blocking and conflicting using CSMA/CA agreements.
- 5. power communication supervisor according to claim 1, it is characterised in that：Realized using the STM32F103CPU of extension Device LCD liquid crystal displays, key-press input, the instruction of LED communication states.
- 6. power communication supervisor according to claim 1, it is characterised in that：RS232, RS485 expanded circuit (3) In, wherein RS485 communication circuit modules are specially：Using ADM2483 chips as acp chip, RE, DE of ADM2483 chips Respectively by the external high potentials of series resistance R2, RxD ports are hanging for port, TxD ports by the external high potentials of series resistance R1, Chip A ports, by resistance R3 connection VCC, chip B ports are grounded by clicking and entering R11；Distinguish between A ports and B ports in parallel Resistance R10, bilateral diode D1, then concatenated be grounded by bilateral diode D2, D3 respectively；Wherein D1, D2, D3 are used SMCBJ6.0CA type bilateral diodes.
- 7. power communication supervisor according to claim 1, it is characterised in that：RS232, RS485 expanded circuit (3) In, wherein RS232 communication circuit modules are specially：Using ADM2483 chips as acp chip, RE, DE of ADM2483 chips Respectively by the external high potentials of series resistance R24, RxD ports are hanging for port, and TxD ports pass through the external high electricity of series resistance R23 Position, chip A ports, by resistance R25 connection VCC, chip B ports are grounded by clicking and entering R28；Between A ports and B ports respectively Parallel resistance R27, bilateral diode D6, then concatenated be grounded by bilateral diode D7, D8 respectively；Wherein D6, D7, D8 are used SMCBJ6.0CA type bilateral diodes.
- 8. power communication supervisor according to claim 1, it is characterised in that：The LCD is shown and button, communication instruction Serial line interface in circuit (2) circuit is specially：Using 74HC14D chips as core, wherein 74HC14D chips 1A, 2A end are connected with DE, TxD signal port of 5A, 6A end respectively with the ADM2483 chips in RS232, RS485 circuit, with inspection Survey its signal condition；1Y, 2Y end of 74HC14D chips are respectively by series resistor R39, R40, connecting luminous diode COM1, 5Y, 6Y end are grounded by series resistor R41, R42 connecting luminous diode COM2, COM1, COM2 other end respectively.
- 9. power communication supervisor according to claim 1, it is characterised in that：Using two MAX3232 chip conducts Connection circuit among AM335X and STM32F103 chips；CAN1_RX, CAN1_TX pin access of the AM335X chips T1IN, R1OUT pin of first MAX3232 chip, pin T1OUT, R1IN corresponding to first MAX3232 chip connect second T1IN, R1OUT pin of individual MAX3232 chips, pin R1OUT, T1IN corresponding to second MAX3232 chip meet extension 1# PA9, PA10 pin of CPU STM32F103 chips.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720735571.9U CN206790481U (en) | 2017-06-22 | 2017-06-22 | Embedded electric power communication processor based on electric power Internet of Things |
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| CN201720735571.9U CN206790481U (en) | 2017-06-22 | 2017-06-22 | Embedded electric power communication processor based on electric power Internet of Things |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108650587A (en) * | 2018-07-13 | 2018-10-12 | 薛刚 | Built-in multimedia central control system |
| CN109495984A (en) * | 2018-12-07 | 2019-03-19 | 苏州新海宜电子技术有限公司 | The intelligent self-organized network communication system and its working method of multichannel interactive information transmission |
| CN109831426A (en) * | 2019-01-28 | 2019-05-31 | 广东省智能制造研究所 | A kind of heterogeneous system based on ARM kernel internet of things data agreement |
-
2017
- 2017-06-22 CN CN201720735571.9U patent/CN206790481U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108650587A (en) * | 2018-07-13 | 2018-10-12 | 薛刚 | Built-in multimedia central control system |
| CN109495984A (en) * | 2018-12-07 | 2019-03-19 | 苏州新海宜电子技术有限公司 | The intelligent self-organized network communication system and its working method of multichannel interactive information transmission |
| CN109831426A (en) * | 2019-01-28 | 2019-05-31 | 广东省智能制造研究所 | A kind of heterogeneous system based on ARM kernel internet of things data agreement |
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