CN105208732A - Comprehensive LED street lamp management system - Google Patents
Comprehensive LED street lamp management system Download PDFInfo
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- CN105208732A CN105208732A CN201510654005.0A CN201510654005A CN105208732A CN 105208732 A CN105208732 A CN 105208732A CN 201510654005 A CN201510654005 A CN 201510654005A CN 105208732 A CN105208732 A CN 105208732A
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Abstract
The invention provides a comprehensive LED street lamp management system which comprises a master control center, a wireless access point, a first wireless communication unit, a front end convergence unit, a plurality of on-site sub-control units and a voltage stabilization and power supply unit. Wireless management on a street lamp system is achieved. Due to the fact that an intelligent driving unit, a driving protection unit, a monitoring unit and an on-site communication unit are arranged, the function of an LED street lamp system is expanded, and the monitoring efficiency on the LED street lamp system is improved.
Description
Technical field
The present invention relates to streetlamp management system, particularly relate to a kind of comprehensive LED street lamp management system.
Background technology
LED street lamp has environment friendly and pollution-free, little power consumption, the advantages such as light efficiency is high, and controllability is good, but the LED street lamp mainly wired LED street lamp system on current China street, there is hardware connection complexity, upgrade cost is high, safeguards and is inconvenient to wait shortcomings, although some street lamp is also in trial radio management and monitoring, but still there is function singleness in it, the problems such as the high and monitoring efficiency of energy consumption is low.
Summary of the invention
The object of the invention is to be achieved through the following technical solutions.
According to the embodiment of the present invention, a kind of comprehensive LED street lamp management system is proposed, described system comprises: Master Control Center, WAP (wireless access point), first wireless communication unit, unit is converged in front end, control unit and voltage stabilizing power supply unit are divided in multiple scene, described Master Control Center is connected with the first wireless communication unit radio communication by WAP (wireless access point), described first wireless communication unit and front end are converged between unit and are connected by serial ports two-way communication, described front end is converged unit and each scene and is divided and control unit wireless and communicate to connect, described voltage stabilizing power supply unit connects front end convergence unit and control unit is divided at multiple scene, wherein,
The monitor data that described Master Control Center is used for dividing control unit to transmit according to scene carries out Data Analysis, and divides control unit to send control command according to Data Analysis result to scene;
Described WAP (wireless access point) is connected with the long-range of the first wireless communication unit for providing main control unit;
Described first wireless communication unit converges the wireless connections of unit to WAP (wireless access point) for providing front end;
Described front end is converged unit and to be converged and the transfer of data of control unit and the first wireless communication unit and in succession wireless is divided at the scene of dispatch for receiving;
Described scene divides control unit to be used for the field management provided LED street lamp, driving and monitoring; And
The forward end that is used for described voltage stabilizing power supply unit converges unit and an on-the-spot point control unit is powered and controls output current.
According to the embodiment of the present invention, each scene divides control unit to comprise in-situ processing unit, second wireless communication unit, intelligent drives unit, drive protected location, LED street lamp, monitoring unit and on-scene communication unit, described in-situ processing unit connects the second wireless communication unit respectively, intelligent drives unit and on-scene communication unit, described second wireless communication unit connects front end and converges unit, described driving protected location connects intelligent drives unit, the output of intelligent drives unit is electrically connected with LED street lamp, LED street lamp is connected with the input of monitoring unit, the output of monitoring unit is electrically connected with the input of the second wireless communication unit, wherein,
Described in-situ processing unit divides control and the signal conversion of each parts of control unit to scene for providing;
The wireless connections of described second wireless communication unit for providing on-the-spot point control unit and front end to converge unit;
Described intelligent drives unit is for providing the constant current driving of LED street lamp and temperature control protection;
Described driving protected location provides the safeguard protection to intelligent drives unit;
Described monitoring unit is used for state parameter information and the real-time road condition information of Real-time Obtaining LED street lamp; And
Described on-scene communication unit is used for carrying out real-time live with road running vehicle and communicates.
According to the embodiment of the present invention, described Master Control Center comprises data storage cell, Data Analysis unit, intelligent instruction generation unit and instruction Dispatching Unit, wherein,
Described data storage cell is for storing the monitor data dividing control unit to receive from scene and the command mappings table pre-set, and described command mappings table is for recording preferred operations instruction corresponding to different Monitoring Data analysis result;
The monitor data that described Data Analysis unit is used for receiving is resolved;
Described intelligent instruction generation unit is used for generating according to the analysis result of monitor data and the storage instruction of command mappings table operational order scene being divided to control unit;
Described instruction Dispatching Unit is used for described operational order being issued to on-the-spot point control unit.
According to the embodiment of the present invention, described Data Analysis unit comprises LED street lamp condition monitoring parsing subelement, LED street lamp lumen depreciation detects parsing subelement, road traffic condition detects and resolves subelement and constant illumination light modulation parsing subelement; Wherein,
Described LED street lamp condition monitoring is resolved subelement and is used for electric current according to the LED street lamp of monitoring unit Real-time Obtaining and voltage signal, compares, generate the detection analysis result about running status with the current/voltage standard value of setting;
Described LED street lamp lumen depreciation detects and resolves is the own luminous intensity value of LED street lamp transmitted by monitoring unit, luminous intensity value in conjunction with setting contrasts, resolve and show whether LED street lamp lumen depreciation exceedes the threshold value of setting, generate the detection analysis result about lumen depreciation;
Described road traffic condition detects and resolves is the data transmitted by monitoring unit, add up the vehicle of each passing LED street lamp position, resolve and draw the whole basal conditions being provided with the regional road traffic of LED street lamp, generate the detection analysis result about road traffic condition.
The real time environment intensity of illumination data that subelement is transmitted by monitoring unit are resolved in described constant illumination light modulation, contrast, generate the detection analysis result about environmental correclation illumination with the environment illumination intensity of setting.
According to the embodiment of the present invention, described scene divides the intelligent drives unit of control unit to comprise: drive circuit, pressure drop converter unit, timing balancing unit, timing control unit, average current acquiring unit, pwm signal generation unit, temperature response triode and temperature conditioning signal circuit for generating; Described timing balancing unit is connected with drive circuit, timing control unit and average current acquiring unit respectively; Pressure drop converter unit is connected with drive circuit and average current acquiring unit respectively; The described drain electrode of temperature response triode is connected with the negative electrode of LED, and source electrode is connected with pwm signal generation unit, and grid is connected with temperature conditioning signal circuit for generating.
According to the embodiment of the present invention, described driving protected location comprises interpolation comparison circuit and interpolated signal generation circuit; Wherein, the drive circuit of the output termination intelligent drives unit of value comparison circuit, negative input end ground connection is patched described in; The first input end of interpolated signal generation circuit connects the pressure drop converter unit of intelligent drives unit, the second input termination first external reference voltages, and output patches the first input end of value comparison circuit; Second input termination second external reference voltages of interpolation comparison circuit, its negative input end ground connection.
According to the embodiment of the present invention, described monitoring unit comprises current/voltage monitoring means, brightness monitoring unit, microwave monitoring means and ambient temperature monitoring means;
Described current/voltage monitoring means is used for electric current and the voltage parameter of Real-time Obtaining LED street lamp, comprises the current sampling unit, smooth unit, the buffer cell that connect successively; Described current sampling unit is used for sampling the electric current in LED street lamp, and described smooth unit is used for the smoothing process of current signal to sampling, and described buffer cell is input to in-situ processing unit after cushioning the signal after smoothing processing;
Described real-time luminosity monitoring means, for detect LED street lamp actual light illumination and with set point cross validation, draw the lumen depreciation degree of LED street lamp, and for detecting the illuminance of external environment, testing result be input to in-situ processing unit;
Described ambient temperature monitoring means is used for the ambient temperature of Real-time Obtaining LED street lamp present position, and testing result is input to in-situ processing unit;
Described microwave monitoring means, for detecting vehicle moving direction, speed and the range information under corresponding LED street lamp, and is input to in-situ processing unit by testing result.
According to the embodiment of the present invention, described on-scene communication unit comprises: Optical Transmit Unit, and for launching LED visible light, described LED visible light has illumination and communication function; Light receiving unit, for receiving the visible light signal of vehicle emissions; Network signal converting unit, for being converted to the described visible light signal received the frame data format that existing network can carry out exchanges data.
According to the embodiment of the present invention, described voltage stabilizing power supply unit comprises rehabilitation control circuit, exports AC-DC converting circuit and power supply response control unit, described rehabilitation control circuit is connected with described output AC-DC converting circuit, and described output AC-DC converting circuit is connected with described power supply response control unit.
Comprehensive LED street lamp management system of the present invention comprises Master Control Center, WAP (wireless access point), the first wireless communication unit, front end are converged unit, multiple scene and divided control unit and voltage stabilizing power supply unit; Achieve the radio management to road lamp system, and by intelligent drives unit, the setting driving protected location, monitoring unit and on-scene communication unit, extend the function of LED street lamp system, improve the monitoring efficiency to LED street lamp system.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit will become cheer and bright for those of ordinary skill in the art.Accompanying drawing only for illustrating the object of preferred implementation, and does not think limitation of the present invention.And in whole accompanying drawing, represent identical parts by identical reference symbol.In the accompanying drawings:
Figure 1 show the comprehensive LED street lamp management system structural representation according to embodiment of the present invention;
Figure 2 illustrate and divide control cellular construction schematic diagram according to the scene of embodiment of the present invention;
Figure 3 show the Master Control Center structural representation according to embodiment of the present invention;
Fig. 4 illustrate the front end money order meta structure schematic diagram according to embodiment of the present invention;
Fig. 5 illustrate the intelligent drives cellular construction schematic diagram according to embodiment of the present invention;
Figure 6 show the temperature conditioning signal circuit for generating structural representation according to embodiment of the present invention;
Figure 7 show the driving protected location structural representation according to embodiment of the present invention;
Fig. 8 illustrate the monitoring unit structural representation according to embodiment of the present invention;
Figure 9 show the on-scene communication cellular construction schematic diagram according to embodiment of the present invention;
Figure 10 show the voltage stabilizing power supply unit structural representation according to embodiment of the present invention.
Embodiment
Below with reference to accompanying drawings illustrative embodiments of the present disclosure is described in more detail.Although show illustrative embodiments of the present disclosure in accompanying drawing, however should be appreciated that can realize the disclosure in a variety of manners and not should limit by the execution mode of setting forth here.On the contrary, provide these execution modes to be in order to more thoroughly the disclosure can be understood, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.
According to the embodiment of the present invention, a kind of comprehensive LED street lamp management system is proposed, as shown in Figure 1, described system comprises: Master Control Center, WAP (wireless access point), first wireless communication unit, unit is converged in front end, control unit and voltage stabilizing power supply unit are divided in multiple scene, described Master Control Center is connected with the first wireless communication unit radio communication by WAP (wireless access point), described first wireless communication unit and front end are converged between unit and are connected by serial ports two-way communication, described front end is converged unit and each scene and is divided and control unit wireless and communicate to connect, described voltage stabilizing power supply unit connects front end convergence unit and control unit is divided at multiple scene, wherein,
The monitor data that described Master Control Center is used for dividing control unit to transmit according to scene carries out Data Analysis, and divides control unit to send control command according to Data Analysis result to scene;
Described WAP (wireless access point) is connected with the long-range of the first wireless communication unit for providing main control unit;
Described first wireless communication unit converges the wireless connections of unit to WAP (wireless access point) for providing front end;
Described front end is converged unit and to be converged and the transfer of data of control unit and the first wireless communication unit and in succession wireless is divided at the scene of dispatch for receiving;
Described scene divides control unit to be used for the field management provided LED street lamp, driving and monitoring; And
The forward end that is used for described voltage stabilizing power supply unit converges unit and an on-the-spot point control unit is powered and controls output current.
According to the embodiment of the present invention, as shown in Figure 2, each scene divides control unit all at least to comprise in-situ processing unit, second wireless communication unit, intelligent drives unit, drive protected location, LED street lamp, monitoring unit and on-scene communication unit, described in-situ processing unit connects the second wireless communication unit respectively, intelligent drives unit and on-scene communication unit, described second wireless communication unit connects front end and converges unit, described driving protected location connects intelligent drives unit, the output of intelligent drives unit is electrically connected with LED street lamp, LED street lamp is connected with the input of monitoring unit, the output of monitoring unit is electrically connected with the input of the second wireless communication unit, wherein,
Described in-situ processing unit divides control and the signal conversion of each parts of control unit to scene for providing;
The wireless connections of described second wireless communication unit for providing on-the-spot point control unit and front end to converge unit; Described second wireless communication unit is different from the communication protocol that the first wireless communication unit adopts, such as, but be not limited to, first wireless communication unit can be based on 4G cellular communication protocol, WLAN agreement or satellite communication protocols, second wireless communication unit can be based on WLAN agreement, ZIGBEE agreement, Bluetooth protocol.
Described intelligent drives unit is for providing the constant current driving of LED street lamp and temperature control protection;
Described driving protected location provides the safeguard protection to intelligent drives unit;
Described monitoring unit is used for state parameter information and the real-time road condition information of Real-time Obtaining LED street lamp; And
Described on-scene communication unit is used for carrying out real-time live with road running vehicle and communicating, and includes but not limited to, receives the travel route street lamp that vehicle sends and opens request, traffic information request and send traffic information and traffic indication information etc. to driving vehicle.
According to the embodiment of the present invention, as shown in Figure 3, described Master Control Center comprises data storage cell, Data Analysis unit, intelligent instruction generation unit and instruction Dispatching Unit, wherein,
Described data storage cell is for storing the monitor data dividing control unit to receive from scene and the command mappings table pre-set, and described command mappings table is for recording preferred operations instruction corresponding to different Monitoring Data analysis result;
The monitor data that described Data Analysis unit is used for receiving is resolved;
Described intelligent instruction generation unit is used for generating according to the analysis result of monitor data and the storage instruction of command mappings table operational order scene being divided to control unit;
Described instruction Dispatching Unit is used for described operational order being issued to on-the-spot point control unit.
According to the embodiment of the present invention, described Data Analysis unit comprises LED street lamp condition monitoring parsing subelement, LED street lamp lumen depreciation detects parsing subelement, road traffic condition detects and resolves subelement and constant illumination light modulation parsing subelement; Wherein,
Described LED street lamp condition monitoring is resolved subelement and is used for electric current according to the LED street lamp of monitoring unit Real-time Obtaining and voltage signal, compares, generate the detection analysis result about running status with the current/voltage standard value of setting;
Described LED street lamp lumen depreciation detects and resolves is the own luminous intensity value of LED street lamp transmitted by monitoring unit, luminous intensity value in conjunction with setting contrasts, resolve and show whether LED street lamp lumen depreciation exceedes the threshold value of setting, generate the detection analysis result about lumen depreciation;
Described road traffic condition detects and resolves is the data transmitted by monitoring unit, add up the vehicle of each passing LED street lamp position, resolve and draw the whole basal conditions being provided with the regional road traffic of LED street lamp, generate the detection analysis result about road traffic condition.
The real time environment intensity of illumination data that subelement is transmitted by monitoring unit are resolved in described constant illumination light modulation, contrast, generate the detection analysis result about environmental correclation illumination with the environment illumination intensity of setting.
Described scene divides control unit after the operational order receiving the transmission of instruction Dispatching Unit, such as, when receiving with road traffic condition dependent instruction, carries out switch control rule immediately to LED street lamp; Wherein, described switch control rule is for controlling LED street lamp: in road idle, interval open part LED street lamp; LED street lamp etc. will be opened successively when having detected that vehicle sails into, and when receiving the instruction relevant to ambient lighting, increasing or reducing intensity of illumination etc.
According to the embodiment of the present invention, as shown in Figure 4, described front end convergence unit comprises power supply circuits, RS485 communicating circuit, wireless transceiver circuit and communication chip unit; Described power supply circuits comprise 48V direct current and turn 5V DC circuit and 5V turns 3.3V circuit, and 48V direct current wherein turns the power supply circuits that 5V DC circuit is RS485 communicating circuit, and 5V wherein turns the power supply circuits that 3.3V circuit is communication chip unit; Described RS485 communicating circuit is used for carrying out alternately with the first wireless communication unit, described wireless transceiver circuit is the telecommunication circuit that front end converges between unit and the second wireless communication unit, and described communication chip unit adopts the communication protocol identical with the second wireless communication unit.
According to the embodiment of the present invention, as shown in Figure 5, described scene divides the intelligent drives unit of control unit to comprise: drive circuit, pressure drop converter unit, timing balancing unit, timing control unit, average current acquiring unit, pwm signal generation unit, temperature response triode and temperature conditioning signal circuit for generating; Described timing balancing unit is connected with drive circuit, timing control unit and average current acquiring unit respectively; Pressure drop converter unit is connected with drive circuit and average current acquiring unit respectively; The described drain electrode of temperature response triode is connected with the negative electrode of LED, and source electrode is connected with pwm signal generation unit, and grid is connected with temperature conditioning signal circuit for generating.
Described timing balancing unit is used for the signal being exported conducting by drive circuit, and the time of electric current from minimum value to current average in pressure drop converter unit that controls equals the time of current average to peak current; Timing control unit is used for by drive circuit output switching signal; Described average current acquiring unit is according to the real time load Current calculation average current obtained from monitoring unit, the average current that described pwm signal generation unit generates according to average current acquiring unit, produce the pwm signal that duty ratio is oppositely relevant to load current, in order to control the switching device in pressure drop converter unit; Described temperature conditioning signal circuit for generating is used for the ambient temperature obtained according to monitoring unit, produces the voltage pulse signal that duty ratio is oppositely relevant to ambient temperature, in order to control temperature response triode.
Described pressure drop converter unit is used for carrying out DC-DC step-down conversion to DC input voitage, and pressure drop converter unit is made up of triode Q1, inductance L 1, electric capacity C1 and diode D1; Wherein, the drain electrode of triode Q1 is successively by connecing power supply after inductance L 1, electric capacity C1, and the drain electrode of triode Q1 connects the positive pole of diode D1; The negative pole of diode D1 connects power supply.
Described timing balancing unit by the first inverter, forward-backward counter and or door form; Wherein, the output termination of forward-backward counter or the input of door; Or the output termination drive circuit of door and the input of the first inverter; The input of the output termination forward-backward counter of the first inverter.
Described timing control unit is by the second inverter, the 3rd inverter, up counter and form with door; Wherein, the input termination of the second inverter or the output of door, it exports the additive signal end of termination up counter; The input termination of the 3rd inverter or the output of door, it exports the input of termination up counter; The output termination of up counter and the input of door; With the output termination of door or the input of door.
Described pwm signal generation unit comprises an interpolation resistance, an error amplifier and a rest-set flip-flop; Wherein: the inverting input of error amplifier is connected with the source electrode of one end of interpolation resistance and temperature response triode, the other end ground connection of interpolation resistance, the normal phase input end of error amplifier connects reference voltage, the output of error amplifier is held with the R of rest-set flip-flop and is connected, the terminated clock signal of rest-set flip-flop, the Q end of rest-set flip-flop is connected with pressure drop converter unit and exports described pwm signal.
Described temperature conditioning signal circuit for generating comprises: running unit, temperature current signal generation unit, direct current reduction unit and signal conversion unit; Wherein:
When under temperature current signal generation unit internal node current potential abnormal conditions when described running unit is for being energized, it is made normally to run;
Described temperature current signal generation unit is used for the ambient temperature obtained according to monitoring unit, produces the current signal relevant to ambient temperature homophase;
Described direct current reduction unit is for cutting down the DC component of described current signal;
Described signal conversion unit is used for changing the current signal exported after the process of direct current reduction unit, produces the voltage pulse signal that a road duty ratio is oppositely relevant to ambient temperature, in order to control temperature response triode.
According to the preferred embodiment of the present invention, as shown in Figure 6, described running unit comprises five metal-oxide-semiconductor M9 ~ M12, M27; Wherein: the drain electrode of metal-oxide-semiconductor M27 is connected with the source electrode of the source electrode of metal-oxide-semiconductor M27 and metal-oxide-semiconductor M10 and connects supply voltage, the drain electrode of the grid of metal-oxide-semiconductor M27 and the drain electrode of the grid of metal-oxide-semiconductor M9, metal-oxide-semiconductor M10, the grid of metal-oxide-semiconductor M12 and metal-oxide-semiconductor M11 is connected, the drain electrode of metal-oxide-semiconductor M9 is connected with the source electrode of the grid of the source electrode of metal-oxide-semiconductor M9, metal-oxide-semiconductor M10, the source electrode of metal-oxide-semiconductor M12 and metal-oxide-semiconductor M11 and ground connection, the grid of metal-oxide-semiconductor M11 is as the first output of running unit, and the drain electrode of metal-oxide-semiconductor M12 is as the second output of running unit.
According to the preferred embodiment of the present invention, described temperature current signal generation unit comprises a resistance R1, eight metal-oxide-semiconductor M1 ~ M8 and two triode Q1 ~ Q2, wherein: the source electrode of metal-oxide-semiconductor M1 is connected with the source electrode of metal-oxide-semiconductor M2 and connects supply voltage, the drain electrode of metal-oxide-semiconductor M1 and the source electrode of metal-oxide-semiconductor M3, the grid of metal-oxide-semiconductor M1 and the grid of metal-oxide-semiconductor M2 are connected and as the first output of temperature current signal generation unit, the drain electrode of metal-oxide-semiconductor M2 is connected with the source electrode of metal-oxide-semiconductor M4, the drain electrode of metal-oxide-semiconductor M3 and the drain electrode of metal-oxide-semiconductor M5, the grid of metal-oxide-semiconductor M3, the grid of metal-oxide-semiconductor M4 and the second output of running unit are connected and as the second output of temperature current signal generation unit, the drain electrode of metal-oxide-semiconductor M4 and the drain electrode of metal-oxide-semiconductor M6, the grid of metal-oxide-semiconductor M6 and the grid of metal-oxide-semiconductor M5 are connected, the source electrode of metal-oxide-semiconductor M5 is connected with the drain electrode of metal-oxide-semiconductor M7, the source electrode of metal-oxide-semiconductor M6 and the drain electrode of metal-oxide-semiconductor M8, the grid of metal-oxide-semiconductor M8, the grid of metal-oxide-semiconductor M7 and the first output of running unit are connected, the source electrode of metal-oxide-semiconductor M7 is connected with one end of resistance R1, the other end of resistance R1 is connected with the emitter of triode Q1, the source electrode of metal-oxide-semiconductor M8 is connected with the emitter of triode Q2, the base stage of triode Q1 and the base stage of triode Q2, the collector electrode of triode Q1 and the collector electrode of triode Q2 are connected and ground connection.
According to the preferred embodiment of the present invention, described direct current reduction unit comprises eight metal-oxide-semiconductor M13 ~ M14, M21 ~ M26, wherein: the source electrode of metal-oxide-semiconductor M13 connects supply voltage, the grid of metal-oxide-semiconductor M13 is connected with the first output of temperature current signal generation unit, the drain electrode of metal-oxide-semiconductor M13 is connected with the source electrode of metal-oxide-semiconductor M14, the grid of metal-oxide-semiconductor M14 is connected with the second output of temperature current signal generation unit, the drain electrode of metal-oxide-semiconductor M14 and the drain electrode of metal-oxide-semiconductor M23, the drain electrode of metal-oxide-semiconductor M25 and the grid of metal-oxide-semiconductor M25 are connected and as the first output of direct current reduction unit, the grid of metal-oxide-semiconductor M23 is connected with the drain electrode of the grid of metal-oxide-semiconductor M21 and metal-oxide-semiconductor M21 and receives bias current, the source electrode of metal-oxide-semiconductor M21 and the drain electrode of metal-oxide-semiconductor M22, the grid of metal-oxide-semiconductor M22 and the grid of metal-oxide-semiconductor M24 are connected, the source electrode of metal-oxide-semiconductor M23 is connected with the drain electrode of metal-oxide-semiconductor M24, the source electrode of metal-oxide-semiconductor M22 is connected and ground connection with the source electrode of the source electrode of metal-oxide-semiconductor M24 and metal-oxide-semiconductor M26, the grid of the source electrode of metal-oxide-semiconductor M25 and the drain electrode of metal-oxide-semiconductor M26 and metal-oxide-semiconductor M26 is connected and as the second output of direct current reduction unit.
According to the preferred embodiment of the present invention, described signal conversion unit comprises a resistance R2, an operational amplifier and six metal-oxide-semiconductor M15 ~ M18, M19 ~ M20, wherein: the source electrode of metal-oxide-semiconductor M15 is connected with the source electrode of metal-oxide-semiconductor M17 and connects supply voltage, the drain electrode of metal-oxide-semiconductor M15 and the source electrode of metal-oxide-semiconductor M16, the grid of metal-oxide-semiconductor M17 and the grid of metal-oxide-semiconductor M15 are connected, the drain electrode of metal-oxide-semiconductor M17 is connected with the source electrode of metal-oxide-semiconductor M18, the drain electrode of metal-oxide-semiconductor M16 and the drain electrode of metal-oxide-semiconductor M19, the grid of metal-oxide-semiconductor M18 and the grid of metal-oxide-semiconductor M16 are connected, the grid of metal-oxide-semiconductor M19 is connected with the first output of direct current reduction unit, the source electrode of metal-oxide-semiconductor M19 is connected with the drain electrode of metal-oxide-semiconductor M20, the grid of metal-oxide-semiconductor M20 is connected with the second output of direct current reduction unit, the source electrode of metal-oxide-semiconductor M20 is connected with one end of resistance R2 and ground connection, the other end of resistance R2 is connected with the drain electrode of metal-oxide-semiconductor M18 and the normal phase input end of operational amplifier, the inverting input of operational amplifier receives triangle wave voltage, the output of operational amplifier is connected with the grid of temperature response triode and produces described voltage pulse signal, in order to control temperature response triode.
According to the embodiment of the present invention, as shown in Figure 7, described driving protected location comprises interpolation comparison circuit and interpolated signal generation circuit; Wherein, the drive circuit of the output termination intelligent drives unit of value comparison circuit, negative input end ground connection is patched described in; The first input end of interpolated signal generation circuit connects the pressure drop converter unit of intelligent drives unit, the second input termination first external reference voltages Vref1, and output patches the first input end of value comparison circuit; Second input termination second external reference voltages Vref2 of interpolation comparison circuit, its negative input end ground connection.
According to the preferred embodiment of the present invention, described interpolation comparison circuit is made up of interpolation resistance R1, the second comparator U2, ternary output door Z; Wherein, the input of ternary output door Z is by R1 ground connection, and it exports the in-phase input end of termination comparator, and it exports the grid of termination triode Q1;
According to the preferred embodiment of the present invention, interpolated signal produces circuit and is made up of interpolation timing control circuit and signal generating circuit; Wherein, interpolation timing control circuit is made up of current source I, inverter N1, metal-oxide-semiconductor M1, M2, the second electric capacity C2 and the first comparator U1; Wherein, the drain electrode of M1 connects power Vcc by current source I, and its source electrode connects the drain electrode of M2, and its grid connects the Enable Pin of ternary output door Z, and its grid also connects the grid of M2 by inverter N1; The source ground of M2; The tie point of the source electrode of M1 and the drain electrode of M2 is by the second electric capacity C2 ground connection, and this tie point also connects the in-phase input end of the first comparator U1; The anti-phase input termination first reference voltage V ref1 of the first comparator U1;
Described signal generating circuit is made up of XOR gate XOR, the first counter B1, the second counter B2; Wherein, the first counter B1 and the second counter B2 is formed by d type flip flop; The output of the input termination first comparator U1 of the first counter B1, its Q non-output termination D input, its Q exports an input of termination XOR gate XOR; The output VG of the input termination drive circuit of the second counter B2, its Q non-output termination D input, its Q exports another input of termination XOR gate XOR; The Enable Pin of the output termination ternary output door Z of XOR gate XOR.
According to the embodiment of the present invention, as shown in Figure 8, described monitoring unit at least comprises current/voltage monitoring means, brightness monitoring unit, microwave monitoring means and ambient temperature monitoring means;
Described current/voltage monitoring means is used for electric current and the voltage parameter of Real-time Obtaining LED street lamp, comprises the current sampling unit, smooth unit, the buffer cell that connect successively; Described current sampling unit is used for sampling the electric current in LED street lamp, and described smooth unit is used for the smoothing process of current signal to sampling, and described buffer cell is input to in-situ processing unit after cushioning the signal after smoothing processing;
Described real-time luminosity monitoring means, for detect LED street lamp actual light illumination and with set point cross validation, draw the lumen depreciation degree of LED street lamp, and for detecting the illuminance of external environment, testing result be input to in-situ processing unit;
Described ambient temperature monitoring means is used for the ambient temperature of Real-time Obtaining LED street lamp present position, and testing result is input to in-situ processing unit;
Described microwave monitoring means, for detecting vehicle moving direction, speed and the range information under corresponding LED street lamp, and is input to in-situ processing unit by testing result.
In-situ processing unit is after receiving above testing result, current detecting result and ambient temperature testing result are sent to intelligent drives unit, send to front end to converge unit by the second wireless communication unit current detecting result, ambient temperature testing result, real-time luminosity testing result and vehicle detection result simultaneously, converge unit by front end again and send to Master Control Center, resolved by Master Control Center and provide switch control rule information, then send to front end to converge unit, then be transferred to the second wireless communication unit and intelligent drives unit by front end convergence unit.
According to the embodiment of the present invention, described microwave monitoring means specifically comprises the microwave signal transmitter unit connected successively, return signal receiving unit, return signal extraction unit, speed computing unit and target range computing unit.
According to the preferred embodiment of the present invention, described microwave signal transmitter unit specifically comprises phase-lock loop, power amplifier, gain buffer follower, described transmitter unit is for generation of linear continuous radar wave modulation signal, successively after gain buffer follower, power amplifier amplify, then go out through dual-mode antenna array emitter; Described power amplifier, input is connected with the output of described gain buffer follower, for the linear continuous radar wave modulation signal of generation is carried out power amplification, then is gone out by transmission antennas transmit.
Described return signal receiving unit is for receiving the microwave signal returned, first the described microwave signal returned inputs return signal receiving unit again after self-interference suppresses unit to carry out AF panel, according to the preferred embodiment of the present invention, described return signal receiving unit specifically comprises oscillator, pre-IF amplifier, base-band frequency conversion device and digital to analog converter.
Described return signal extraction unit is for extracting effective echo signal, because containing a large amount of clutter noise frequencies in return signal, therefore need to screen out, described return signal extraction unit identifies the return signal of target by doppler spectral line sweep.
Described speed computing unit is according to the real-time speed of following formulae discovery objects ahead:
Described target range computing unit according to the distance of following formulae discovery objects ahead, and judges the moving direction of vehicle according to the positive and negative change of real-time distance:
Wherein, C is the light velocity, and f0 is the centre carrier frequency transmitted, and B is the modulated triangular wave signal bandwidth of launching.T is the modulated triangular wave signal period of launching, and frequency sweep section spectral peak frequency in the modulated triangular wave of f+ to be the cycle be T, f-is the cycle is frequency sweep section spectral peak frequency under the modulated triangular wave of T.
Vehicle moving direction, speed and range information that described microwave monitoring means will obtain, responded by the second wireless communication unit and converge unit to front end.
According to the embodiment of the present invention, as shown in Figure 9, described on-scene communication unit comprises: Optical Transmit Unit, and for launching LED visible light, described LED visible light has illumination and communication function; Light receiving unit, for receiving the visible light signal of vehicle emissions; Network signal converting unit, for being converted to the described visible light signal received the frame data format that existing network can carry out exchanges data.
According to the embodiment of the present invention, institute's Optical Transmit Unit comprises channel encoder, digital modulator and LED street lamp; Described light receiving unit comprises light-sensitive element, modulate circuit, digital demodulator and channel decoder; Described network signal converting unit comprises opto-electronic conversion media units, and it, for the unipolarity nonreturn to zero code from LED receiving terminal is converted to bipolar code, possesses electrical level polar translation function, from outside input service clock signal.
According to the embodiment of the present invention, as shown in Figure 10, described voltage stabilizing power supply unit comprises rehabilitation control circuit, exports AC-DC converting circuit and power supply response control unit, described rehabilitation control circuit is connected with described output AC-DC converting circuit, and described output AC-DC converting circuit is connected with described power supply response control unit.
According to the preferred embodiment of the present invention, described power supply response control unit comprises the first resistance, second resistance, 3rd resistance, first electric capacity, second electric capacity, first NMOS tube and the second NMOS tube, described first electric capacity is electrochemical capacitor, one end of described first resistance is connected with the output of described output AC-DC converting circuit, the other end of described first resistance is connected with the drain electrode of described second NMOS tube, the grid of described second NMOS tube, one end of described second resistance is connected with one end of described first electric capacity, the other end of described first electric capacity be connected with one end of described 3rd resistance and both link for accessing external control signal, the other end of described 3rd resistance, one end of described second electric capacity is connected with the grid of described first NMOS tube, the source electrode of described first NMOS tube, the source electrode of described second NMOS tube, the other end of described second resistance and the equal ground connection of the other end of described second electric capacity, LED street lamp is arranged between the drain electrode of described first NMOS tube and one end of described first resistance, when described power supply response control unit receives the control signal lighting LED street lamp, this control signal is the high level of upper jumping, described output AC-DC converting circuit electric discharge, described rehabilitation control circuit enters overload protection state, described first capacitors conductive, described second capacitor charging, described second NMOS tube conducting, described first NMOS tube cut-off, it is open circuit between LED street lamp and LED street lamp constant-current voltage-stabilizing power supply unit, LED street lamp is not lit, described first resistance is as the electric charge exporting AC-DC converting circuit described in load consumption, after described output AC-DC converting circuit has discharged, described first electric capacity enters every straight state, described second NMOS tube cut-off, described second capacitor charging completes, described first NMOS tube conducting, path is formed between LED street lamp and LED street lamp constant-current voltage-stabilizing power supply unit, LED street lamp is lit.
According to the preferred embodiment of the present invention, described rehabilitation control circuit comprises constant-current control unit, power supply circuits unit, absorbing circuit unit, switch and over-current detection circuit unit, over-voltage detection circuit unit and transformer;
Described power supply circuits unit comprises the 4th resistance, the 5th resistance, the 6th resistance, the first diode and the 3rd electric capacity; Described absorbing circuit unit comprises the 7th resistance, the 8th resistance, the 9th resistance, the second diode and the 4th electric capacity; Described switch and over-current detection circuit unit comprise the tenth resistance, the 11 resistance, the 12 resistance, the 13 resistance, the 14 resistance, the 5th electric capacity, the 6th electric capacity, the 3rd NMOS tube and the 3rd diode; Described over-voltage detection circuit unit comprises the 15 resistance, the 16 resistance and the 7th electric capacity; Described transformer is made up of two armature windings and a secondary winding, and two armature windings are respectively the first armature winding and the second armature winding;
One end of described 4th resistance, one end of described 7th resistance, one end of described 8th resistance, one end of described 4th electric capacity are connected for accessing external power source with one end of described first armature winding, the other end of described 4th resistance is connected with one end of described 5th resistance, the other end of described 5th resistance, one end of described 3rd electric capacity, the negative pole of described first diode is connected with the 1st pin of described constant-current control unit, the other end ground connection of described 3rd electric capacity, the positive pole of described first diode is connected with one end of described 6th resistance, the other end of described 6th resistance, one end of described 15 resistance is connected with one end of described second armature winding, the other end of described 7th resistance, the other end of described 8th resistance, the other end of described 4th electric capacity is connected with one end of described 9th resistance, the other end of described 9th resistance is connected with the negative pole of described second diode, the positive pole of described second diode, one end of described 6th electric capacity, the drain electrode of described 3rd NMOS tube is connected with the other end of described first armature winding, the other end of described 6th electric capacity, the source electrode of described 3rd NMOS tube, one end of described tenth resistance, one end of described 12 resistance, one end of described 13 resistance is connected with one end of described 14 resistance, the other end of described tenth resistance, one end of described 5th electric capacity is connected with the 4th pin of described constant-current control unit, 2nd pin of described constant-current control unit, the other end of described 5th electric capacity, the other end of described 12 resistance, the other end of described 13 resistance and the equal ground connection of the other end of described 14 resistance, the grid of described 3rd NMOS tube, one end of described 11 resistance is connected with the positive pole of described 3rd diode, the other end of described 11 resistance, the negative pole of described 3rd diode is connected with the 3rd pin of described constant-current control unit, the other end of described 15 resistance, one end of described 16 resistance, one end of described 7th electric capacity is connected with the 5th pin of described constant-current control unit, the other end of described 16 resistance and the other end of described 7th electric capacity and the equal ground connection of the other end of described second primary coil.
According to the preferred embodiment of the present invention, described output AC-DC converting circuit comprises the 17 resistance, 18 resistance, 4th diode, 12 electric capacity, 8th electric capacity and the 9th electric capacity, one end of described 17 resistance, the positive pole of described 4th diode is connected with one end of described secondary coil, the other end of described 17 resistance is connected with one end of described 12 electric capacity, the other end of described 12 electric capacity, one end of described 18 resistance, the negative pole of described 4th diode, one end of described 8th electric capacity is connected with one end of described 9th electric capacity and its link is the output of described output AC-DC converting circuit, the other end of described 18 resistance, the other end of described 8th electric capacity, the other end of described 9th electric capacity is connected with the other end of described secondary coil and its link is the earth terminal of described output AC-DC converting circuit, the earth terminal ground connection of described output AC-DC converting circuit.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection range of claim.
Claims (9)
1. a comprehensive LED street lamp management system, described system comprises: Master Control Center, WAP (wireless access point), first wireless communication unit, unit is converged in front end, control unit and voltage stabilizing power supply unit are divided in multiple scene, described Master Control Center is connected with the first wireless communication unit radio communication by WAP (wireless access point), described first wireless communication unit and front end are converged between unit and are connected by serial ports two-way communication, described front end is converged unit and each scene and is divided and control unit wireless and communicate to connect, described voltage stabilizing power supply unit connects front end convergence unit and control unit is divided at multiple scene, wherein,
The monitor data that described Master Control Center is used for dividing control unit to transmit according to scene carries out Data Analysis, and divides control unit to send control command according to Data Analysis result to scene;
Described WAP (wireless access point) is connected with the long-range of the first wireless communication unit for providing main control unit;
Described first wireless communication unit converges the wireless connections of unit to WAP (wireless access point) for providing front end;
Described front end is converged unit and to be converged and the transfer of data of control unit and the first wireless communication unit and in succession wireless is divided at the scene of dispatch for receiving;
Described scene divides control unit to be used for the field management provided LED street lamp, driving and monitoring; And
The forward end that is used for described voltage stabilizing power supply unit converges unit and an on-the-spot point control unit is powered and controls output current.
2. the system as claimed in claim 1, each scene divides control unit to comprise in-situ processing unit, second wireless communication unit, intelligent drives unit, drive protected location, LED street lamp, monitoring unit and on-scene communication unit, described in-situ processing unit connects the second wireless communication unit respectively, intelligent drives unit and on-scene communication unit, described second wireless communication unit connects front end and converges unit, described driving protected location connects intelligent drives unit, the output of intelligent drives unit is electrically connected with LED street lamp, LED street lamp is connected with the input of monitoring unit, the output of monitoring unit is electrically connected with the input of the second wireless communication unit, wherein,
Described in-situ processing unit divides control and the signal conversion of each parts of control unit to scene for providing;
The wireless connections of described second wireless communication unit for providing on-the-spot point control unit and front end to converge unit;
Described intelligent drives unit is for providing the constant current driving of LED street lamp and temperature control protection;
Described driving protected location provides the safeguard protection to intelligent drives unit;
Described monitoring unit is used for state parameter information and the real-time road condition information of Real-time Obtaining LED street lamp; And
Described on-scene communication unit is used for carrying out real-time live with road running vehicle and communicates.
3. a system as claimed in claim 2, described Master Control Center comprises data storage cell, Data Analysis unit, intelligent instruction generation unit and instruction Dispatching Unit, wherein,
Described data storage cell is for storing the monitor data dividing control unit to receive from scene and the command mappings table pre-set, and described command mappings table is for recording preferred operations instruction corresponding to different Monitoring Data analysis result;
The monitor data that described Data Analysis unit is used for receiving is resolved;
Described intelligent instruction generation unit is used for generating according to the analysis result of monitor data and the storage instruction of command mappings table operational order scene being divided to control unit;
Described instruction Dispatching Unit is used for described operational order being issued to on-the-spot point control unit.
4. a system as claimed in claim 3, described Data Analysis unit comprises LED street lamp condition monitoring parsing subelement, LED street lamp lumen depreciation detects and resolves subelement, road traffic condition detection parsing subelement and constant illumination light modulation parsing subelement; Wherein,
Described LED street lamp condition monitoring is resolved subelement and is used for electric current according to the LED street lamp of monitoring unit Real-time Obtaining and voltage signal, compares, generate the detection analysis result about running status with the current/voltage standard value of setting;
Described LED street lamp lumen depreciation detects and resolves is the own luminous intensity value of LED street lamp transmitted by monitoring unit, luminous intensity value in conjunction with setting contrasts, resolve and show whether LED street lamp lumen depreciation exceedes the threshold value of setting, generate the detection analysis result about lumen depreciation;
Described road traffic condition detects and resolves is the data transmitted by monitoring unit, add up the vehicle of each passing LED street lamp position, resolve and draw the whole basal conditions being provided with the regional road traffic of LED street lamp, generate the detection analysis result about road traffic condition.
The real time environment intensity of illumination data that subelement is transmitted by monitoring unit are resolved in described constant illumination light modulation, contrast, generate the detection analysis result about environmental correclation illumination with the environment illumination intensity of setting.
5. a system as claimed in claim 4, described scene divides the intelligent drives unit of control unit to comprise: drive circuit, pressure drop converter unit, timing balancing unit, timing control unit, average current acquiring unit, pwm signal generation unit, temperature response triode and temperature conditioning signal circuit for generating; Described timing balancing unit is connected with drive circuit, timing control unit and average current acquiring unit respectively; Pressure drop converter unit is connected with drive circuit and average current acquiring unit respectively; The described drain electrode of temperature response triode is connected with the negative electrode of LED, and source electrode is connected with pwm signal generation unit, and grid is connected with temperature conditioning signal circuit for generating.
6. a system as claimed in claim 5, described driving protected location comprises interpolation comparison circuit and interpolated signal produces circuit; Wherein, the drive circuit of the output termination intelligent drives unit of value comparison circuit, negative input end ground connection is patched described in; The first input end of interpolated signal generation circuit connects the pressure drop converter unit of intelligent drives unit, the second input termination first external reference voltages, and output patches the first input end of value comparison circuit; Second input termination second external reference voltages of interpolation comparison circuit, its negative input end ground connection.
7. a system as claimed in claim 6, described monitoring unit comprises current/voltage monitoring means, brightness monitoring unit, microwave monitoring means and ambient temperature monitoring means;
Described current/voltage monitoring means is used for electric current and the voltage parameter of Real-time Obtaining LED street lamp, comprises the current sampling unit, smooth unit, the buffer cell that connect successively; Described current sampling unit is used for sampling the electric current in LED street lamp, and described smooth unit is used for the smoothing process of current signal to sampling, and described buffer cell is input to in-situ processing unit after cushioning the signal after smoothing processing;
Described real-time luminosity monitoring means, for detect LED street lamp actual light illumination and with set point cross validation, draw the lumen depreciation degree of LED street lamp, and for detecting the illuminance of external environment, testing result be input to in-situ processing unit;
Described ambient temperature monitoring means is used for the ambient temperature of Real-time Obtaining LED street lamp present position, and testing result is input to in-situ processing unit;
Described microwave monitoring means, for detecting vehicle moving direction, speed and the range information under corresponding LED street lamp, and is input to in-situ processing unit by testing result.
8. a system as claimed in claim 7, described on-scene communication unit comprises: Optical Transmit Unit, and for launching LED visible light, described LED visible light has illumination and communication function; Light receiving unit, for receiving the visible light signal of vehicle emissions; Network signal converting unit, for being converted to the described visible light signal received the frame data format that existing network can carry out exchanges data.
9. a system as claimed in claim 8, described voltage stabilizing power supply unit comprises rehabilitation control circuit, exports AC-DC converting circuit and power supply response control unit, described rehabilitation control circuit is connected with described output AC-DC converting circuit, and described output AC-DC converting circuit is connected with described power supply response control unit.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674223A (en) * | 2016-01-25 | 2016-06-15 | 郑州天阳新能源科技有限公司 | LED street lamp system having environment and road condition monitoring functions |
| CN106408959A (en) * | 2016-10-17 | 2017-02-15 | 蒋晓云 | Smart city cloud street lamp system |
| CN107454722A (en) * | 2017-07-14 | 2017-12-08 | 深圳市盛路物联通讯技术有限公司 | Device management method and storage medium |
| CN108347819A (en) * | 2018-04-14 | 2018-07-31 | 芜湖拓达电子科技有限公司 | A kind of control method of solar streetlight control circuit |
| CN108521702A (en) * | 2018-04-14 | 2018-09-11 | 芜湖泰庆电子科技有限公司 | A kind of control method of the intelligent road-lamp control circuit based on STM chips |
| CN108566705A (en) * | 2018-04-14 | 2018-09-21 | 芜湖泰庆电子科技有限公司 | A kind of intelligent road-lamp control circuit based on STM chips |
| CN112672483A (en) * | 2021-01-05 | 2021-04-16 | 烽火通信科技股份有限公司 | Intelligent street lamp control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101778515A (en) * | 2010-03-12 | 2010-07-14 | 厦门大学 | System based on wireless network for controlling street lamps |
| CN103269546A (en) * | 2013-05-23 | 2013-08-28 | 中国科学院自动化研究所 | System and method for LED street lamp intelligent control |
| CN104010421A (en) * | 2014-06-06 | 2014-08-27 | 电子科技大学 | Constant current output control device for LED drive circuit |
| CN104093250A (en) * | 2014-07-07 | 2014-10-08 | 电子科技大学 | Open circuit over-voltage protection device used for LED drive circuit |
| CN104302065A (en) * | 2014-10-31 | 2015-01-21 | 浙江大学 | LED driver with automatic temperature regulating and compensating function |
-
2015
- 2015-10-12 CN CN201510654005.0A patent/CN105208732A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101778515A (en) * | 2010-03-12 | 2010-07-14 | 厦门大学 | System based on wireless network for controlling street lamps |
| CN103269546A (en) * | 2013-05-23 | 2013-08-28 | 中国科学院自动化研究所 | System and method for LED street lamp intelligent control |
| CN104010421A (en) * | 2014-06-06 | 2014-08-27 | 电子科技大学 | Constant current output control device for LED drive circuit |
| CN104093250A (en) * | 2014-07-07 | 2014-10-08 | 电子科技大学 | Open circuit over-voltage protection device used for LED drive circuit |
| CN104302065A (en) * | 2014-10-31 | 2015-01-21 | 浙江大学 | LED driver with automatic temperature regulating and compensating function |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674223A (en) * | 2016-01-25 | 2016-06-15 | 郑州天阳新能源科技有限公司 | LED street lamp system having environment and road condition monitoring functions |
| CN106408959A (en) * | 2016-10-17 | 2017-02-15 | 蒋晓云 | Smart city cloud street lamp system |
| CN107454722A (en) * | 2017-07-14 | 2017-12-08 | 深圳市盛路物联通讯技术有限公司 | Device management method and storage medium |
| CN107454722B (en) * | 2017-07-14 | 2019-08-13 | 深圳市盛路物联通讯技术有限公司 | A kind of road lamp management method based on Internet of Things and the convergence unit for this method |
| CN108347819A (en) * | 2018-04-14 | 2018-07-31 | 芜湖拓达电子科技有限公司 | A kind of control method of solar streetlight control circuit |
| CN108521702A (en) * | 2018-04-14 | 2018-09-11 | 芜湖泰庆电子科技有限公司 | A kind of control method of the intelligent road-lamp control circuit based on STM chips |
| CN108566705A (en) * | 2018-04-14 | 2018-09-21 | 芜湖泰庆电子科技有限公司 | A kind of intelligent road-lamp control circuit based on STM chips |
| CN112672483A (en) * | 2021-01-05 | 2021-04-16 | 烽火通信科技股份有限公司 | Intelligent street lamp control method |
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