CN207075108U - One kind is based on power carrier light pole intelligence system - Google Patents

Abstract

The utility model is that one kind is based on power carrier light pole intelligence system, including microwave radar module, DSP processing modules, camera, STM32 chips, Street lamps control module, ethernet module, main frame and intelligent object.Street lamp is carried out networking by the utility model, realizes function one：Control of the networking realization of street lamp to street lamp is crossed, reaches switch control, gradient brightness adjustment control, and street lamp fault detection；Realize function two：Realize that the road section surface passes through vehicles or pedestrians real time speed measurings, when occurring exceeding the speed limit or during the situation of low speed, send alarm to control terminal in time, prompting control centre transfers camera information, realizes the real-time monitoring of road pavement in time.

Description

One kind is based on power carrier light pole intelligence system

Technical field

A kind of street lamp is the utility model is related to, particularly one kind is based on power carrier light pole intelligence system.

Background technology

At this stage, the most control modes using " time relay+A.C. contactor " of control system of street lighting, Daily time switch, it is necessary to the parameter of each time relay of manual adjustment during season；Meanwhile most Street lamps controls System is not equipped with the daemon software or terminal device of real-time management and regulatory function.Therefore, existing street lamp control system is most Number can only control street lamp time switch, and regulation is inconvenient, and street lamp Information Statistics are chaotic.

Prior art has the following disadvantages：1st, function is single, and autgmentability is poor

The switching function of offer street lamp, does not possess regular maintenance management function, remote software management function, lacks long-range Management terminal facility；Therefore, the function such as the fault discovery of road lamp system, fault alarm, data sheet statistics needs manually to have come Into waste of manpower resource.

2nd, control mode falls behind

Currently, Street lamps control also rests on the mode such as manual, light-operated, time control, is influenceed very by season, weather and human factor Greatly, automatic management level is low, it is often necessary to is not worked when bright, it is necessary to or not when going out, easily causes energy waste.

3rd, manipulation inconvenience

Can not the time update switch lamp time, it is impossible to according to actual conditions (such as change in weather, major event, red-letter day etc.) Need correction in time and modification switch lamp time.

4th, regular maintenance is difficult

The management work of existing street lighting facility relies primarily on artificial inspection to complete, and not only workload is big, but also Waste of manpower, material resources, failure need that personnel report and citizen complain, and lack initiative, timely row and reliability, it is impossible in real time, accurate Really, the operation conditions of whole illuminator is comprehensively monitored, lacks effective fault pre-alarming mechanism.

5th, equipment information management is difficult

Lighting system devices data message needs artificial statistics, can not automatically form report；And once in time more A new or mistake of statistics, statistics will be caused chaotic, data can not be looked into.

Utility model content

The purpose of this utility model is that providing one kind is based on power carrier light pole intelligence system, to solve above-mentioned background The problem of being proposed in technology.

To achieve the above object, the utility model provides following technical scheme：

One kind is based on power carrier light pole intelligence system, including microwave radar module, DSP processing modules, camera, STM32 chips, Street lamps control module, ethernet module, main frame and intelligent object, the ethernet module connect STM32 respectively Chip, main frame and intelligent object, the intelligent object have multiple, and main frame is also connected with big data system, and STM32 chips also connect respectively Connect DSP processing modules, camera and Street lamps control module.

As further technical scheme of the present utility model：The intelligent object has multiple.

As further technical scheme of the present utility model：The microwave radar module includes X frequency ranges radar module, pre- place Manage circuit and DSP Processor.

Compared with prior art, the beneficial effects of the utility model are：1st, it is vdiverse in function, favorable expandability：With street lamp Switching function, dimming function interface, fault detect are reported for repairment.Road surface is realized by the IMAQ of microwave radar module and camera Monitoring in real time to control centre with providing warning information in real time.2nd, control mode：Street lamps control is controlled using intelligent chip, Rational reaction can be made in face of season, weather and artificial factor.3rd, manipulation is convenient：It can be repaiied in time at host computer control end Change the switch lamp time, can not only school timely according to the needs of actual conditions (such as change in weather, major event, red-letter day) when and modification The switch lamp time, moreover it is possible to which Multi-path lamp is controlled in real time.4th, regular maintenance is simple, equipment information management is simple：Each road Lantern festival distributes an IP address automatically, and this is meant that when street lamp breaks down, and can timely be found, has real-time and master Dynamic property.The data of equipment can be sent to main frame by power line, be handled and divided using computer without artificial statistics Analysis.Greatly reduce the waste of manpower and materials.

Brief description of the drawings

Fig. 1 is general illustration of the present utility model；

Fig. 2 is intelligent object structure chart；

Fig. 3 is microwave radar structure chart；

Fig. 4 is power line Organization Chart；

Fig. 5 is overall flow figure；

Fig. 6 is DSP signal handler structure charts；

Fig. 7 is connection Ethernet flow chart；

Fig. 8 is the overview flow chart of control；

Fig. 9 is data handling procedure figure；

Figure 10 is auth response flow chart；

Figure 11 is that control information is sent to controller for road lamp flow chart from control centre；

Figure 12 is controller responding process figure；

Figure 13 is mixed-media network modules mixed-media enc28j60 initialization flowchart；

Figure 14 is big data process chart；

Figure 15 is STM32 chip circuit figures；

Figure 16 is camera pinouts；

Figure 17 is ethernet module pinouts；

Figure 18 is DSP schematic diagrams；

Figure 19 is DSP circuit the general frame；

Figure 20 is A/D protection circuit figures；

Figure 21 is A/D protection circuit figures；

Figure 22 is ethernet module figure.

Embodiment

The technical scheme in the embodiment of the utility model will be clearly and completely described below, it is clear that described Embodiment is only the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to The scope of the utility model protection.

Refering to Fig. 1-2 2；In the utility model embodiment, one kind is based on power carrier light pole intelligence system, including microwave Radar module, DSP processing modules, camera, STM32 chips, Street lamps control module, ethernet module, main frame and intelligent object, The ethernet module connects STM32 chips, main frame and intelligent object respectively, and the intelligent object has multiple, and main frame is also connected with Big data system, STM32 chips are also respectively connected with DSP processing modules, camera and Street lamps control module.

Intelligent object has multiple.Microwave radar module includes X frequency ranges radar module, pretreatment circuit and DSP Processor.

Operation principle of the present utility model：Overall diagram of the present utility model is led to as shown in figure 1, using by carrier of power line Ethernet transmission data are crossed, each intelligent control module reaches the purpose communicated by 220V civil powers, in control main frame Upper progress monitoring in real time and control, make it complete the function being in communication with each other between main frame and street lamp, street lamp and street lamp, Yi Jishi The Real-time Feedback of existing road pavement situation.Overall topological structure is as shown in figure 1, mainly include：Street lamp, intelligent control module, with Too the part of net transport module, power line, main frame etc. five forms.Intelligent object mainly be responsible for road pavement monitoring, the control of street lamp, Ethernet module is mainly responsible for data sharing, and main frame is responsible for data processing, utilizes now ripe big data system, docking The street lamp information for receiving each node is analyzed, and reaches accurate alarm, and instruction is assigned, and power line is mainly responsible for data The carrier of transmission.

Intelligent control module is as shown in Fig. 2 by camera module, Street lamps control module, intelligent chip, power carrier mould This six part of block, radar module, Ethernet transport module forms.The design, as main coremaking piece, matches somebody with somebody using STM32 chips Close processing and analysis that DSP process chips carry out data to microwave radar signal.STM32 chips are by camera data, microwave Radar module data are packed, under the Ethernet pattern of power line carrier module, data by orthogonal frequency division multiplexi, orthogonal shake The various ways such as width modulation are modulated on power line, for each node called data.Host computer control recipient solves to data Adjust, read data, and control signal is modulated into upper power line to realize assigning for instruction in the same manner, supply each intelligent object Read data.STM32 chips are by the current detecting to street lamp, to differentiate the working condition of street lamp, by the electricity for changing work Flow and the power of street lamp is adjusted, realize opening the light for gradient light modulation and control etc., and the breakdown judge of street lamp and alarm.

Microwave radar module is as shown in figure 3, the principle used is Doppler range rate measurement principle, working frequency range 10.525GHz. Echo-signal and transmission signal are mixed by radar module after echo is received, and obtain doppler shifted signal；Signal leads to Cross pretreatment circuit to be amplified, comply with the voltage range of chip pin work, by DSP process chips, data are entered The accurate processing of row and analysis, finally upload data by STM32 chip.This module is responsible for the traffic and hypervelocity of road pavement Vehicle be monitored, overspeed of vehicle and roadway congestion situation are judged and alerted according to default numerical value.

Power-line carrier network depends on existing powerline systems, as shown in figure 4, without framework equipment again.Each road 220V electric power environmentals are mutually connected in by power line between lamp and establish communication, each street-lamp node can receive any section in networking The information that point is sent, the information that each node is sent can be received by all nodes in networking.Data pass through modulators modulate Onto power line, it is transmitted in each street-lamp node of certain distance.Main frame demodulates the data of power line to be located Reason, and the vector modulation that needs are sent enters power line, and street-lamp node corresponding to order sends data and controlled it. So as to reach any street-lamp node on control line, intelligent control is realized.

The overall Structural Program Designing of the utility model is as shown in Figure 5：STM32 chips again turn the analog signal collected Turn to data signal and main frame progress Data Management Analysis is sent to by power line.After power line carrier module networking success, electricity Power carrier module is by the power line on the modulates information of other light poles, is transmitted on power line, is then sent to STM32 cores Piece.STM32 chip access network based on ethernet, control centre's extraction data receiver are simultaneously disposed, and STM32 chips wait transferring for main frame Instruction or upward active alarm, upload the data to power line carrier module by Ethernet transport module and are modulated to power line On, each street-lamp node extracts data, and responds (transmission of the switch, real time video data of street lamp).

DSP program structures are with logic as shown in fig. 6, core processor DSP is done first by system initialization for process signal It is good to prepare；When having detected data input, A/D module is opened, enters collection and the AD conversion of row information；When being converted into digital letter After number, extract data and be FFT, draw amplitude highest Frequency point, and acquired results are sent to PC；Frequency range is set and sentenced Whether disconnected frequency is in the range of, if then XF pins output high level, if not exporting low level if.So occur by recording That frequency at high level moment, this makes it possible to obtain frequency.By the conversion formula of frequency and speed, speed is obtained.Separately Outside, when occurring high level every time, exactly there is moving object in the detection range of microwave radar, pass through within a period of time The quantity of high level is recorded, with regard to vehicle flowrate can be drawn.

Ethernet module program structure and logic

Ethernet module is made up of camera OV7725 driving and w5500 ethernet modules, the journey that this experiment is related to Sequence is divided into two parts：Camera OV7725 driving and the communication of ENC28J60 ethernet modules, as shown in fig. 7, in PC Control window it is defeated as ping instruct, i.e. ping192.168,1,18.Successful connection is shown etc. window to be controlled.Continue afterwards defeated Enter telnet instructions, i.e. telnet192.168.1.18.Establish after connection, by login user interface, carry out to street lamp The extraction assigned with data of instruction.After the instruction transferred is assigned, corresponding street lamp can reply a feedack.

Radar module, the information of camera are the communication by ENC28J60 ethernet modules, it is desirable to by data by with Too net transmission, will first be configured to agreement important in Ethernet --- LWIP protocol stacks.LWIP protocol stacks are initialized first, Need to be configured the IP address of network interface, gateway, subnet mask simultaneously, be now noted that the IP address of network interface not It can be collided with each other with the host IP address in LAN, so can just make driving normal work, and smoothly connect with LWIP protocol stacks Connect.At the same time also need to add timing function in cyclical function, could so demonstrate,prove and protect ethernet module normal work.

Realize the overall procedure of control and start order as shown in figure 8, first being sent from PC host computers, power line carrier module starts And start to search on electric wire the power line carrier module node for whether having matching, error message is returned if without corresponding node, The successful indicator lamp of networking lights if having.Control information is sent in PC, STM32 receives corresponding instruction and starts to perform life Order.

Interactive program and logic of the information on power line：

The data of sender reach recipient by enc28j60, and the processing of data is as shown in Figure 9.PC ends are sent original Data will be transmitted further to transport layer, the data base that transport layer is come in upper layer transport again after entering application layer to plus an APP heads The TCP header of oneself is added on plinth and is transferred to Internet as TCP data bag, Internet turns into IP packets for it plus IP heads It is transferred to LLC layer and adds this layer of distinctive header file as control signal just energy and physics is added after LLC packets arrival MAC layer Layer is transmitted.The bit stream that can be transmitted on netting twine is finally converted to by the PHY layer of physical layer, is then inverse process in recipient. Said process is as shown in Figure 9.

The checking flow of program is as shown in Figure 10.Opening the browser input of computer needs the IP address of the street lamp controlled, Create STM32 IP address and port numbers after connecting also just to be fixed up, at this moment enc28j60 modules can constantly monitor netting twine On whether have connection request.After receiving request and agreeing to, mcu just starts received data packet, and returns call back function and responded.

The flow that control information is sent to controller for road lamp from control centre is as shown in figure 11.Control centre passes through at the beginning Carrier module and power line send data to ethernet module, and module determines whether to receive acknowledgement frame.When acknowledging receipt of the frame Shi Ze sends the data to STM32 controller for road lamp and carries out the next data arrival of secondary-confirmation wait, otherwise returns in control One signal for sending failure of the heart, request are resend.So circulation is gone down until data are sent, if data send time-out Then wait and sending next time.

When stm32 chips receive control information, the responding process figure of system is as shown in figure 12.Stm32 receives PC hair After the control information sent, each pin initialization of chip before this enables successfully, and then external module initialization success After start gather data.Stm32 judges whether gather data finishes, and the number that enc28j60 modules will collect is opened if finishing Gone out according to by network cable transmission into power line progress remote transmission；If it was found that return signal if no data do not have collection to finish Slave unit is allowed to continue to collect.

Mixed-media network modules mixed-media enc28j60 initialization flow is as shown in figure 13.Program is initially each by serial ports, SPI interface etc. Partially-initialized provides timing and poll input function with systick for LWIP.LWIP protocol stacks are initialized to the first of lower floor Beginningization network interface card, send the operations such as packet, received data packet offer driving interface.WEB server operations provide to be shown on webpage Show, Telnet, which is provided, allows computer remote to control stm32.

As shown in figure 14, in main frame receiving terminal by big data technology, by radar data, image information and street lamp data Stored, using these data with being analysed and compared from the nodal information of power line Real-time demodulation, find out abnormal information, carry The precision of high early warning.The information received passes through long-term accumulation, surface conditions table and the street lamp that can be formed in certain area The form of fault message, improve operating efficiency.

The design of embedded governor circuit is as shown in figure 15, and the design is a kind of intelligence control based on STM32VET6 chips Circuit processed, oscillating circuit, reset circuit and point source circuit are included in circuit.Using STM32 as main control chip, coordinate each module Between communication, by electric force carrier transmission data, form complete control system, carry out intelligent management.

Figure 16 is shown in the connection of camera pin and STM32 pins.Camera module plays in whole intelligent object Crucial effect, it is the basis for the real-time monitoring for realizing road surface, is a guarantee of the degree of accuracy to radar signal, radar is believed Number alarm signal transmitted can carry out secondary judgement, reach double guarantees.

Generally the camera with FIFO memory has 18 to 22 pins, and the camera that the design uses is model W5500, number of pins 20.After first camera module is initialized, STM32 interrupt register can receive one and come from camera Field interrupt signal, now camera can will shooting header data cache enter in data buffer.Come from when STM32 is received for the second time The field interrupt signal of camera, just illustrate that view data has successfully been cached into data buffer, at this moment field impeding shutdown, WEN pins will be set to high level, refuse other data and enter data buffer.After completing above-mentioned steps, STM32 chips are opened Begin to read the view data in data buffer, and be stored among internal memory.Digital independent is waited to finish, field is interrupted and will opened again Open, repeat the above steps, all collection is completed until view data.

Figure 17 is the pinouts of ethernet module, and ethernet module supports full duplex and half pair using ENC28J60 Work mode of operation, there are the transmission data of high speed, carry error detection function, support IEEE802.3 ethernet controller.Ethernet Module accesses STM32 chips by SPI interface, after completing configuration, is connected to main frame by netting twine, after being successfully connected, enters Access customer log-in interface, user enter control interface after inputting correct account number cipher, and experiment is controlled in control window, and And obtain the feedback information from street lamp.Ethernet realizes function by LWIP protocol stacks.LWIP protocol stacks are computer transmission The ICP/IP protocol of layer application, suitable for Embedded system, can be transplanted to any operating system.Data can so be passed through Message, the duplex communication between street lamp and main frame is realized with ICP/IP protocol, communicated between street lamp and street lamp.Data are in electric power On line as the data under broadcast mode for each equipment extract, realize data sharing.

As shown in figure 18,30MHz crystal oscillator is connected when DSP uses internal oscillator between X1/XCLKIN and X2 pins, on Draw electric capacityMP/MC pins control microprocessor and microcontroller mode, and during experiment test, DSP is placed in into MC Pattern, you can emulation programming program, carry out on-line debugging.XF is output pin, can be directly connected to output device, use GPIO Function, high level is connected to, drawn it is determined that enabling internal phaselocked loop PLL circuit using during internal oscillator in X1/XCLKIN and X2 30MHz crystal oscillator is connected between pin, pulls up electric capacityMP/MC pins control microprocessor and microcontroller mode, During experiment test, DSP is placed in MC patterns, you can emulation programming program, carry out on-line debugging.XF is that output is drawn, can be direct Output device is connected, using GPIO functions, is connected to high level, it is determined that enabled internal phaselocked loop PLL circuit.

As shown in figure 19, DSP data processing modules are by DSP2812 chips, power circuit, serial ports part, AD conversion electricity The part of road, clock circuit, and jtag interface etc. seven forms.Wherein A/D convertor circuit is by the simulation from microwave radar module Signal is converted into data signal, and then accesses among DSP2812 chips, carries out the processing of data.Jtag interface is to download Interface, circuit is to provide clock for whole system all the time, enables the chip to work.Serial port circuit is in order to by the data of collection Upload to main frame.

As shown in figure 20, analog signal inputs from ADCA0, electric capacity as a capacitive reactance, it is in parallel with resistance R55 after to input Signal carries out partial pressure.By capacitive reactance formulaWith parallel resistance formulaUnderstand, ω is bigger, i.e. input letter Number frequency f is higher, and the magnitude of voltage of 5 ends input is smaller.Circuit multiplication factor is 1.In view of the error and electricity in practical application The design on road is convenient, and input voltage is limited in into 0~3.3V.When 5 end input voltages are more than 3.3V, diode 2 turns on, voltage It is limited in below 3.3V；When voltage is less than 0, diode 1 turns on, and input voltage is close to 0V.This makes it possible to be passed to data To among dsp chip, by judging high level, when the frequency of needs and the estimated value of vehicle.Obtained data are reached On STM32 chips, the analysis for carrying out data judges, if it exceeds limit value, the upward main frame alarm of person.

AD conversion includes sampling, keeps, the process such as quantization, it is therefore an objective to analog quantity is converted into digital quantity, is signal Analysis Prepare.TMS320F2812 ADC one shares 16 passages, is divided into two groups of A, B, and every group has 8 passages, is designated as ADCINA0~ADCINA7 and ADCINB0~ADCINB7.Although there is multiple port numbers, because an internal only conversion Device, therefore can only be to signal sampling all the way a moment.Module has three kinds of mode of operations, and respectively A groups sample, the sampling of B groups Also AB groups sample jointly.Here the signal for referring to gathering one channel jointly.A group sequential samplings are used in the design, Using SEQ1 auto-sequencing devices, and sampling channel is ADCINA0.The ADC of n positions, acquisition precision areTherefore module Precision isBecause the Doppler signal frequency range of input is about 0~4900Hz, according to Nyquist law, to ensure to believe Number undistorted, sample frequency should be greater than 9800Hz.In programming, it is contemplated that frequency sets HSPLK at intervals of integer in drawing For 25MHz, ADC_CPKS 10, CPS 4, sample frequency

Figure 21 is the flow chart that AD samples relative program.Program initializes ADC and universal input output GPIO first Afterwards, DSP opens interrupters function enters data acquisition program, in passage ADCIN0 pin gathered datas, due to DSP AD conversion position Number is 12, but AD data registers are 16, therefore using being moved right before data manipulation four.Number is checked after preserving data Whether reach 2048 according to number, do not continue then to gather, full 2048 are then terminated this time to gather, and the Central Shanxi Plain is broken.

The hardware interface of ethernet module is as shown in figure 22.MCU is STM32 master controllers, by SPI interface by CS, SI, SO, SCK form MCU and ENC28j60 intermodules communication channel.ByEBI is formed to connect by SPI to parse The data received and order.TX/RX buffers are used for receiving and sending data in the built-in system of ENC28j60 modules, realize The function of Ethernet.When sending data, the next data of PHY reception MAC transmission (because PHY does not identify frame data, for For PHY, whether address, data or CRC uniformly regard data as and handled), and then parallel data is changed into Serial data, data are encoded further according to the coding rule of physical layer, data finally are changed into analog signal sends out. Receive the process of data, then it is opposite with flow during transmission.Whole transmitting procedure may be summarized to be：Before transmitting the data, Ethernet ENC28j60 modules, which can be monitored first on twisted-pair feeder, has carrier-less signal transmitting.There is signal to be judged as other street lamp to exist Data are sent, continue to monitor transmission channel.If listened to for some time when not having signal transmission in interior channel, i.e., channel does not have Have and taken by other street lamp, it is possible to send the data-signal of this street lamp, in order to avoid conflict, now also to continue to monitor netting twine Whether signal transmission is had on passage.In the time that data are sent, if having monitored that other street lamp is also being sent, with regard to stopping at once Only this transmission, and " obstruction " signal is sent by netting twine, inform on control centre's channel there is conflict, come with this Those garbage signals for repeating transmission always are screened out, it is determined that the time length (being determined by back off algorithm) waited.Wait Retransmit after the corresponding time, at most give up if number of retransmissions is crossed again.When reception, the length of data frame is limited in necessarily In the range of, it is super go beyond the scope will all be judged as invalid to giving up, only can just be determined as within the range effectively.

Better embodiment of the present utility model is illustrated above, but the utility model be not limited to it is described Embodiment, those skilled in the art can also make a variety of equivalent changes on the premise of without prejudice to the utility model spirit Type or replacement, these equivalent modifications or replacement are all contained in the application claim limited range.

Claims (3)

1. one kind is based on power carrier light pole intelligence system, including microwave radar module, DSP processing modules, camera, STM32 chips, Street lamps control module, ethernet module, main frame and intelligent object, it is characterised in that the ethernet module point Not Lian Jie STM32 chips, main frame and intelligent object, the intelligent object has multiple, and main frame is also connected with big data system, STM32 Chip is also respectively connected with DSP processing modules, camera and Street lamps control module.

2. one kind according to claim 1 is based on power carrier light pole intelligence system, it is characterised in that the intelligent mould Block has multiple.

3. one kind according to claim 1 is based on power carrier light pole intelligence system, it is characterised in that the microwave thunder Include X frequency ranges radar module, pretreatment circuit and DSP Processor up to module.