CN206497330U - A kind of distributed electrical Source Data Acquisition and secure communication device - Google Patents

A kind of distributed electrical Source Data Acquisition and secure communication device Download PDF

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Publication number
CN206497330U
CN206497330U CN201720006561.1U CN201720006561U CN206497330U CN 206497330 U CN206497330 U CN 206497330U CN 201720006561 U CN201720006561 U CN 201720006561U CN 206497330 U CN206497330 U CN 206497330U
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China
Prior art keywords
unit
microprocessor
data acquisition
communication device
shell
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Expired - Fee Related
Application number
CN201720006561.1U
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Chinese (zh)
Inventor
姚剑峰
朱伟
肖艳炜
倪国强
赵玉成
胡小锋
刘文峰
闻煜峰
姚国强
宋伟军
焦振军
魏杰
邵永青
沈伟浩
郑磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Zhejiang Electric Power Co Ltd
Jiaxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
State Grid Zhejiang Electric Power Co Ltd
Jiaxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Filing date
Publication date
Application filed by State Grid Zhejiang Electric Power Co Ltd, Jiaxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical State Grid Zhejiang Electric Power Co Ltd
Priority to CN201720006561.1U priority Critical patent/CN206497330U/en
Application granted granted Critical
Publication of CN206497330U publication Critical patent/CN206497330U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model is related to a kind of distributed electrical Source Data Acquisition and secure communication device, it is connected with cloud communications platform, distributed power station critical point ammeter, it is connected by internet access facility with internet, microprocessor unit including shell and in shell, microprocessor unit is connected with communication unit, collecting unit, man-machine unit, memory cell, ciphering unit and power supply, the front of shell is provided with SR, indicator lamp, camera, LCDs and buzzer, and the back side of shell is provided with supply hub, power switch, antenna and connecting interface.The utility model has the advantages that:Structure of the present utility model enables distributed power source service data to be gathered by device and by being sent to cloud bus on internet security, power supply enterprise's Special wiring and operation and maintenance expenses are reduced, distributed power source service data are solved the problem of the loss of data caused by main website or communication line hardware fault and O&M cost are too high.

Description

A kind of distributed electrical Source Data Acquisition and secure communication device
Technical field
The utility model is related to a kind of data acquisition and secure communication device, especially a kind of distributed electrical Source Data Acquisition With secure communication device.
Background technology
At present, distributed power source data transfer depends on communication private network, and security, the reliability of data are special by communication Net is ensured.With increasing for distributed power source, all rely on communication private networks and exist transmitting the data of distributed power source and build If cycle length, investment and operation and maintenance expenses high many deficiencies, investment cost and distributed power source quantity positive correlation, and once There is the communication node failure such as substation or main website, easily cause loss of data, influence the normal development of related service.
The content of the invention
The technical problems to be solved in the utility model is that prior art is improved with the technical assignment proposed, is carried , can be hardware fault using the virtualization technology of cloud computing platform for a kind of distributed electrical Source Data Acquisition and secure communication device The influence that data safety is stored is minimized, distributed power source data transfer and the wide regional coverage and cloud computing platform of internet Free of losses storage characteristics effectively can combine to reduce distributed power source data management cost.
The utility model solves the technical scheme of its technical problem use:This distributed electrical Source Data Acquisition is logical with safety T unit, is connected with cloud communications platform, distributed power station critical point ammeter, is connected by internet access facility with internet, wrapped Include shell and the microprocessor unit in shell, microprocessor unit and communication unit, collecting unit, man-machine unit, deposit Storage unit, ciphering unit and power supply are connected, and the front of shell is provided with SR, indicator lamp, camera, liquid crystal display Screen and buzzer, the back side of shell are provided with supply hub, power switch, antenna and connecting interface.
The microprocessor unit is made up of communication microprocessor and control microprocessor, and communication microprocessor and control are micro- It is connected between processor by SPI interface.
The communication microprocessor uses the CC3100 chips of TI companies, and control microprocessor uses ARM Cortex-M4 Chip.
The collecting unit includes the data acquisition of ADC analog channels, the collection of RS485 digital channels, image data acquiring three Type.
The man-machine unit includes display control chip and LCDs, and display control chip uses the touch of TI companies Shield control chip TSC2003.
The indicator lamp includes power supply indicator, network indicator lamp, cloud platform indicator lamp.
The connecting interface includes RS485 interfaces, SD slots, IDC heads.
The utility model has the advantages that:Structure of the present utility model enables distributed power source service data to be filled Put collection and by being sent to cloud bus on internet security, reduce power supply enterprise's Special wiring and operation and maintenance expenses, solve distribution Formula power supply service data is the problem of the loss of data caused by main website or communication line hardware fault and O&M cost are too high.
Brief description of the drawings
Fig. 1 is utility model works schematic diagram;
Fig. 2 is the utility model internal structure schematic diagram;
Fig. 3 is the utility model external structure front view;
Fig. 4 is the utility model external structure schematic rear view.
Description of reference numerals:Cloud communications platform 1, internet access facility 2, data acquisition and secure communication device 3, critical point Electric energy meter 4, distributed power source 5, microprocessor unit 6 controls microprocessor 7, communication microprocessor 8, communication unit 9, collection Unit 10, man-machine unit 11, memory cell 12, ciphering unit 13, power supply 14, shell 15, LCDs 16, power supply refers to Show lamp 17, network indicator lamp 18, cloud platform indicator lamp 19, camera 20, SR 21, buzzer 22, antenna 23, power supply is inserted Hole 24, power switch 25, RS485 interfaces 26, SD slots 27, IDC first 28.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings:
As illustrated, this distributed electrical Source Data Acquisition and secure communication device, with cloud communications platform 1, distributed electrical Critical point ammeter 4 of standing is connected, and is connected by internet access facility 2 with internet, including shell 15 and micro- in shell 15 Processor unit 6, microprocessor unit 6 is used for the data that processing data collecting unit is transmitted, and calls AES pair Data are encrypted, and the data after encryption are transmitted.It is microprocessor unit and communication unit 9, collecting unit 10, man-machine Unit 11, memory cell 12, ciphering unit 13 and power supply 14 are connected, and communication unit 9 passes through with microprocessor unit 6 U.FL connectors are connected, and it also includes two communication connection indicator lamps and communication antenna, and described communication antenna tranmitting frequency is 2.4GHZ antenna.The front of shell 15 is provided with SR 21, indicator lamp, camera 20, LCDs 16 and buzzer 22, The back side of shell 15 is provided with supply hub 24, power switch 25, antenna 23 and connecting interface.Connecting interface includes RS485 interfaces 26th, SD slots 27, IDC first 28.RS485 interfaces are mainly used in the situation that distributed power source has been provided with harvester, Ke Yitong Cross RS485 interfaces and metric data is directly read from acquisition terminal.
Microprocessor unit is made up of communication microprocessor 8 and control microprocessor 7, and communication microprocessor 8 and control are micro- It is connected between processor 7 by SPI interface.Control microprocessor 7 is responsible for the processing of data and the operation of application program, and communicate micro- place Reason device 8 Internet high in the clouds is communicated, and is responsible for the secure communication processing between each layer protocol.
Communication microprocessor 8 is using the CC3100 chips of TI companies, and the chip is mainly for the treatment of net connection and agreement Processing, integrated Wi-Fi and secure internet communication various agreements embed secure internet communication agreement.It includes one 802.11b/g/n wireless communication protocols, the security engine for supporting MAC Address and safer internet 256 to encrypt.It is also supported WPA2 people and enterprise security communication and its other also embedded TCP/IP and TLS/SSL storehouse of WPS2.0., support MQTT associations View.MQTT agreements are a kind of light weight, based on the instant communication protocol of distribution subscription model, and the Protocol Design is opened, agreement letter Single, platform supports abundant, all networking articles and internet can almost be connected.
Microprocessor 7 is controlled to use ARM Cortex-M4 chips.The chip is based on 32 ARM Cortex- of professional standard M4, with 4 programmable 32 user's general-purpose systems timers (GPT), an embedded vector interrupt controller (NVIC) And house dog (WDT), restart system automatically when the effect of house dog is during system mistake or time-out is expected;With 1 string Row Peripheral Interface (SPI), can be used for serial paralled interface conversion;With I2C EBIs, it can design multiple to access by two lines I2C equipment;Possess 2 UART Universal Asynchronous Receiver Transmitters (UART), it is an integrated circuit using RS-232 serial communications;Have 4 groups of general purpose input and output (GPIO), and the analog-to-digital converter (ADC) with 4 input channels, for even The analog voltage signal of continuous property is changed in digital quantity;The also parallel camera port of 8, for capture site figure.Have Two clocks of speed (32.768KHZ and 40MHZ), for different occasions.
Control microprocessor 7 is connected by SPI interface with communication microprocessor 8, and control microprocessor mainly runs user Program, the data to collection are handled, and it can be by the driving API (residing in ROM Driver Libraries) of communication microprocessor To control communication microprocessor 8 to transmit data.
SPI is the abbreviation of Serial Peripheral Interface (SPI), and it is a kind of synchronous serial interface that motorola inc releases, and it is only needed Four kinds of lines are wanted just to complete the communication with various peripheral components.It is used for being changed between serial ports and parallel port, is used for CPU and various peripheral components carry out full duplex, synchronous serial communication, can be simultaneously emitted by and receive serial data, when from peripheral hardware During interface data, SPI modules perform serial ports to the conversion of parallel port, and parallel port turning to opening serial ports is performed when being sent with periphery Change.
Communication unit includes U.FL communications connectors, antenna 23 and indicator lamp, and indicator lamp passes through GPIO and control microprocessor Device 7 is connected.
Collecting unit 10 includes the data acquisition of ADC analog channels, the collection of RS485 digital channels, three kinds of image data acquiring Type.
The analog signal of 4 paths is supported in the collection of ADC analog channels, and the sampling period, resolution ratio was 12 up to 16 milliseconds; Each passage is connected with FIFO and DMA, and analog channel is connected by IDC with sampled point, and range is in -20mA~20mA.
The collection of RS485 digital channels is made up of Maxim MAX3491 for the interface circuit of core, passes through programmable UART Interface is connected with processor internal bus, and wherein MAX3491 DI pins (Data in) and RO (Receiver Out) two draw Pin is connected with UART Tx and Rx signals respectively, and MAX3491 DE ends lead to controlling a GPIO of microprocessor to be connected The level for crossing GPIO changes to control RS485 to communicate.UART is the abbreviation of Universal Synchronous Asynchronous Receiver Transmitter, and its effect is will be outer Portion's equipment serial data is converted to parallel data reception, and internal parallel data is converted into serial data sends.Image sensor Using OV7725 parallel ports camera, with 300,000 pixels, it is connected by camera interface with control microprocessor.
Man-machine unit 11 includes display control chip and LCDs 16 and buzzer 22, for parameter configuration and number According to display, it is connected by I2C interfaces with control microprocessor 7.Display control chip uses the touch screen control chip of TI companies TSC2003, input and display for the LCDs 16 of control.LCDs 16 is resistive touch screen.Man-machine list The settable communication relevant parameter of member 11, described parameter includes wireless connections parameter, cloud message parameter, password generated mode.Nothing Line connection parameter includes the contents such as SSID, password, security type, radio type.Cloud message parameter includes:Message subject, visitor Family end ID, user name, address of service.Password generated mode is set by user, and automatically generates password according to setting by hardware.
Memory cell 12 includes SRAM, ROM and SD card, for storage program, Driver Library and the data of collection.SRAM both may be used Again can be with data storage for store code, it is eliminated when simultaneously DMA and processor are accessed by the 4 tunnels transmission architecture that interlocks Performance bottleneck during SRAM, SRAM is communicated by multilayer AHB bus array with other modules, in fact, uDMA controllers are outside If setting up data transfer bridge between internal memory.ROM is mainly used in the drive of equipment initialization, start-up loading device, and peripheral hardware Dynamic storehouse, SD card mainly stores historical metrology data.Described SD card is mainly inserted in the SD slots 26 behind housing.
Ciphering unit 13 include hardware encryption accelerator, support computations (AES, DES, 3-DES), Hash (SHA, MD5) and CRC algorithm, it is connected by GPIO with microprocessor.
Power supply 14 uses low-power consumption mu balanced circuit, by mu balanced circuit 5V voltage conversions into 3.3V voltages.Power supply Power supply 14 is by mu balanced circuit and power supply indicator 17, the power switch 24 behind shell 15 and a position for being located at shell 15 SR 21, the part of attaching plug 23 4 composition before shell 15.
Indicator lamp includes power supply indicator 17, network indicator lamp 18, cloud platform indicator lamp 19.Indicator lamp is by two luminous two Pole pipe is constituted, and when being in UNICOM's state with internet, network indicator lamp 18 therein sends green glow, otherwise sends feux rouges.When When coupling with the foundation of cloud communications platform 1, cloud platform indicator lamp 19 sends green glow, otherwise sends feux rouges.Mu balanced circuit is used MAX604 is made up of decoupling capacitance, and it can provide up to 500mA electric currents, can be between+2.7V and+11.5V input DC Work, it has built-in protection, and it increases decoupling capacitance in DC plug input, and electricity is filtered by an electric capacity in output end Pressure so that output 3.3V burning voltages.Power supply indicator 17 is used for showing the whether upper electricity of device, and power switch 25 is used for controlling dress Put and whether be powered, supply hub 24 is used to connect 5V dc sources.
Distributed power source collection is connected with one end of communicator 3 by RS485 interfaces 26 with gate energy meter 4, or Directly it is connected by IDC with collection signal.The other end by wireless WIFI and internet access facility (such as wireless router, AP) 2 are connected, after network connection, set up TCP with the cloud communications platform 1 on internet and couple and carry out related data Transmission, gate energy meter 4 is connected with distributed power source 5.
In the technical solution of the utility model, wherein included unit can correspond in integrated circuit structure Particular hardware circuit, therefore only relate to the improvement of particular hardware circuit, be not directed to any control software or computer journey The improvement of sequence, even if these particular hardware circuits are considered as using necessary control software or program, therefore the utility model Technical problem to be solved can be solved just with the improvement in terms of the hardware circuit involved by these units, and is obtained Corresponding technique effect, and and specific control software need not be aided in realize corresponding function.
In addition to the implementation, the utility model can also have other embodiment.All use equivalent substitutions or equivalent change The technical scheme to be formed is changed, the protection domain of the utility model requirement is all fallen within.

Claims (7)

1. a kind of distributed electrical Source Data Acquisition and secure communication device, with cloud communications platform (1), distributed power station critical point ammeter (4) it is connected, is connected by internet access facility (2) with internet, it is characterised in that:Including shell (15) and located at shell (15) microprocessor unit (6) in, microprocessor unit (6) and communication unit (9), collecting unit (10), man-machine unit (11), memory cell (12), ciphering unit (13) and power supply (14) are connected, and the front of shell (15) is provided with SR (21), indicator lamp, camera (20), LCDs (16) and buzzer (22), the back side of shell (15) are provided with supply hub (24), power switch (25), antenna (23) and connecting interface.
2. distributed electrical Source Data Acquisition according to claim 1 and secure communication device, it is characterized in that:The microprocessor Device unit (6) is made up of communication microprocessor (8) and control microprocessor (7), communication microprocessor (8) and control microprocessor (7) it is connected between by SPI interface.
3. distributed electrical Source Data Acquisition according to claim 2 and secure communication device, it is characterized in that:The communication is micro- Processor (8) is using the CC3100 chips of TI companies, and control microprocessor (7) is using ARM Cortex-M4 chips.
4. distributed electrical Source Data Acquisition according to claim 1 and secure communication device, it is characterized in that:The collection is single First (10) include the data acquisition of ADC analog channels, the collection of RS485 digital channels, image data acquiring three types.
5. distributed electrical Source Data Acquisition according to claim 1 and secure communication device, it is characterized in that:The man-machine list First (11) include display control chip and LCDs (16), and display control chip uses the touch screen control chip of TI companies TSC2003。
6. distributed electrical Source Data Acquisition according to claim 1 and secure communication device, it is characterized in that:The indicator lamp Including power supply indicator (17), network indicator lamp (18), cloud platform indicator lamp (19).
7. distributed electrical Source Data Acquisition according to claim 1 and secure communication device, it is characterized in that:It is described to connect Mouth includes RS485 interfaces (26), SD slots (27), IDC (28).
CN201720006561.1U 2017-01-04 2017-01-04 A kind of distributed electrical Source Data Acquisition and secure communication device Expired - Fee Related CN206497330U (en)

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Application Number Priority Date Filing Date Title
CN201720006561.1U CN206497330U (en) 2017-01-04 2017-01-04 A kind of distributed electrical Source Data Acquisition and secure communication device

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Application Number Priority Date Filing Date Title
CN201720006561.1U CN206497330U (en) 2017-01-04 2017-01-04 A kind of distributed electrical Source Data Acquisition and secure communication device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114490486A (en) * 2022-01-28 2022-05-13 深圳友讯达科技股份有限公司 Bus hardware architecture for gas meter and gas meter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114490486A (en) * 2022-01-28 2022-05-13 深圳友讯达科技股份有限公司 Bus hardware architecture for gas meter and gas meter
CN114490486B (en) * 2022-01-28 2024-05-10 深圳友讯达科技股份有限公司 Bus hardware architecture for gas meter and gas meter

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170915

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