CN106304488A - A kind of based on the road lamp system measuring flow of the people - Google Patents
A kind of based on the road lamp system measuring flow of the people Download PDFInfo
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- CN106304488A CN106304488A CN201610719524.5A CN201610719524A CN106304488A CN 106304488 A CN106304488 A CN 106304488A CN 201610719524 A CN201610719524 A CN 201610719524A CN 106304488 A CN106304488 A CN 106304488A
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- 229910052744 lithium Inorganic materials 0.000 claims abstract description 85
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 84
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 238000005286 illumination Methods 0.000 claims abstract description 21
- 238000004891 communication Methods 0.000 claims abstract description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 36
- 238000010438 heat treatment Methods 0.000 claims description 36
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 35
- 238000009413 insulation Methods 0.000 claims description 19
- 230000005611 electricity Effects 0.000 claims description 11
- 239000004065 semiconductor Substances 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 239000004411 aluminium Substances 0.000 claims description 6
- 230000005669 field effect Effects 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 4
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- 230000003321 amplification Effects 0.000 claims description 3
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- 238000007689 inspection Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000012986 modification Methods 0.000 description 11
- 230000004048 modification Effects 0.000 description 11
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- 238000010792 warming Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
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- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
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- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The present invention relates to a kind of based on the road lamp system measuring flow of the people, Pedestrian flow detection device in LED street lamp illuminator is often organized with being arranged on including some groups of LED street lamp illuminators, often group LED street lamp illuminator includes many sub-LED street lamp system, every sub-LED street lamp system includes light pole, LED lamp holder, solar panel, power supply lithium battery pack, intelligent controller, Pedestrian flow detection device is arranged on the lamp stand of arbitrary sub-LED street lamp system, Pedestrian flow detection device includes Infrared Detectors and flow of the people processor, flow of the people processor is positioned at all intelligent controllers in same group of LED street lamp illuminator by the connection of ZigBee wireless network；Intelligent controller includes controlling mainboard, cell panel management module, lithium battery management module, LED illumination driving module and ZigBee communication module, and LED illumination drives module to be connected with ZigBee communication module.Native system can realize the light on and off effect of street lamp and link with road flow of the people, saves energy.
Description
Technical field
The present invention relates to the field of intelligent control technology of street lighting, a kind of based on the road measuring flow of the people
Lamp system.
Background technology
Current most street lamp all uses the control mode of unified switch, so at night regardless of whether there is people Che Tong
Crossing, street lamp is all always maintained at normal bright state, is included in isolated area that traffic busy substantially distinguishes and people's vehicle flowrate relatively
At few night, this normal bright state necessarily causes the serious waste of the energy, and its irrationality substantially shows especially.The mesh of street lighting
Mark service object is pedestrian, and when having pedestrian and pedestrian more on road, illumination should be sufficient, and when having pedestrian on road but ratio
Time sparser, can suitably reduce street lighting brightness, when there is no pedestrian on road, can by luminance-reduction to minimum, thus
Limited light is allowed to service more people.Controller on existing market is fairly simple, and some controls street lamp whole night with same bright
Degree illumination, some is turned off the light after then providing illumination certain time, and to scheme power saving, these control inadequate hommization and rationalization.By road
After lamp complete switches off, road is dark, the most unfavorable to road safety.Without street lighting and insufficient light be two diverse
Concept, the former can cause pedestrian cannot see road and barrier, and the latter can make pedestrian can see road and barrier, substantially
Pedestrains safety can be ensured.
Summary of the invention
It is an object of the invention to provide a kind of road lamp system based on mensuration flow of the people, by this system to LED street lamp
Light on and off carry out intelligentized control method, thus the effect of saves energy can not only be played, it is to avoid energy waste, simultaneously also can be effective
Guarantee the traffic safety of road pedestrian.
To achieve these goals, the technical solution used in the present invention is, a kind of road lamp system based on mensuration flow of the people,
Pedestrian flow detection device in LED street lamp illuminator, Mei Zu LED road is often organized with being arranged on including some groups of LED street lamp illuminators
Lamp illuminating system includes that many sub-LED street lamp system, every sub-LED street lamp system include light pole, LED lamp holder, solar-electricity
Pond plate, power supply lithium battery pack, intelligent controller, described LED lamp holder is removably mounted at light pole top, described solar-electricity
Pond plate is inclined and mounted on the top of light pole, and described power supply lithium battery pack and intelligent controller are arranged at solar panel
The back side；Described Pedestrian flow detection device is arranged on the lamp stand of arbitrary sub-LED street lamp system, and described Pedestrian flow detection device includes
Infrared Detectors and flow of the people processor, described Infrared Detectors is connected by wire with flow of the people processor, described flow of the people
Processor is positioned at all intelligent controllers in same group of LED street lamp illuminator by the connection of ZigBee wireless network；Described
LED lamp holder, solar panel are all connected with intelligent controller with power supply lithium battery pack, and described intelligent controller includes controlling
Mainboard, cell panel management module, lithium battery management module, LED illumination drive module and ZigBee communication module, described cell panel
Management module, lithium battery management module drive module to be all connected with control mainboard with LED illumination, and described LED illumination drives module
It is connected with ZigBee communication module.
As a modification of the present invention, described power supply lithium battery pack includes encapsulating housing and is arranged on encapsulating housing
Internal battery protecting plate and insulation lithium battery group, described insulation lithium battery group includes heat-insulation layer and lithium battery bag, described insulation
Layer wraps whole lithium battery bag, and described lithium battery bag includes thermal shrinkable sleeve and is arranged on the lithium battery group within thermal shrinkable sleeve, constant temperature
Panel, heating board and aluminum heat conducting plate, described aluminum heat conducting plate attaches with multiple sides of lithium battery group and contacts, described thermostatic control
Plate is close to the surface of lithium battery group and away from aluminum heat conducting plate, and described heating board is attached to the surface of aluminum heat conducting plate, described lithium battery
Group and thermostatic control plate are all by wire connected battery protection board.
As a modification of the present invention, described thermostatic control plate includes one group of SMD temperature sensor and computer heating control
Circuit, described heating board is a kind of PTC constant temperature heating element, and described SMD temperature sensor is arranged on thermostatic control plate,
And contact with lithium battery group, described PTC constant temperature heating element contacts with attaching between aluminum heat conducting plate and conducts heat, PTC constant temp. warming
Element is connected by wire with thermostatic control plate.
As a modification of the present invention, described lithium battery management module includes set of cells intelligent recharge and discharge unit, battery
Group electric voltage equalization unit, battery state monitoring means and current detecting unit, described battery protecting plate includes overvoltage protection list
Unit, under-voltage protection unit, charging trickle protected location, anti-reverse protected location, over-temperature protection unit, low-temperature protection unit, mistake
Put protected location and overcharge protected location, described battery voltage balanced unit being provided with multiple electric voltage equalization chip, shunts and put
Electricity branch resistance and the shunting discharge paths with shunting discharge paths resistant series control switching device, and described set of cells intelligence is filled
Discharge cell is provided with there is the PWM control pic chip of port, charging control switch device and discharge control switch device, institute
State Overvoltage protecting unit and use two grades of overvoltage protection chip of TI, described current detecting unit is provided with current sensor chip,
Described over-temperature protection unit is provided with temperature sensor.
As a modification of the present invention, described lithium battery group uses some joint lithium batteries to be composed in series, and described shunting is put
Electricity branch road controls switching device and uses N-channel MOS pipe, and described charging control switch device uses PNP triode, described electric discharge control
Switching device processed uses N-channel MOS pipe；The model of described electric voltage equalization chip is S8209A, described charging control switch device
The CO pin of connection electric voltage equalization chip, the DO pin of described discharge control switch device connection electric voltage equalization chip, described point
Stream discharge paths controls switching device and connects the CB pin of electric voltage equalization chip, and described shunting discharge paths resistance is connected to N ditch
The drain electrode end of road metal-oxide-semiconductor.
As a modification of the present invention, described cell panel management module includes that cell plate voltage detector unit, temperature are mended
Repay unit, cell panel confluxes current detecting unit, real-time conversion efficiency detector unit, anti-lightning strike protected location and anti-reverse charging protection
Unit, described cell plate voltage detector unit uses the voltage detecting circuit that metal-oxide-semiconductor field effect transistor and sample resistance are constituted, is used for sentencing
The brightness of disconnected external environment condition, to determine daytime and night；Described LED illumination drives module to include PWM dimming control unit, boosting
Constant current driving unit and bright light on-off circuit, described bright light on-off circuit is connected with ZigBee communication module.
As a modification of the present invention, often group LED street lamp illuminator includes 3-5 sub-LED street lamp system, adjacent
Two sub-LED street lamp system in the distance of light pole be 25-30m, at the position of distance ground 0.5-1m on described light pole
Offering U-shaped groove, described Pedestrian flow detection device is fixedly mounted in U-shaped groove, and ensures that described Infrared Detectors is sent out
The infrared ray penetrated is perpendicular with the axis of light pole.
As a modification of the present invention, between described solar panel mounting plane on light pole and level ground
Slanted angle be 30 °～60 °, this slanted angle can be finely adjusted according to the local latitude residing for light pole, to realize the sun
The annual Energy Maximization of energy cell panel.
As a modification of the present invention, described Infrared Detectors uses the active infrared detection device with double light path,
The infrared light supply being positioned in double light path uses infrared semiconductor laser, it addition, the shortest screening of described active infrared detection device
The light time selects 15ms, and when the shading time is less than 15ms, Infrared Detectors does not produce flow of the people signal, and when the shading time is big
When 15ms, Infrared Detectors is to flow of the people processor sender's flow signal；Described flow of the people processor includes AD conversion list
Unit, filter processing unit, signal amplification unit, ZigBee signal signal generating unit, ZigBee signal transmitter unit and power supply unit.
As a modification of the present invention, described control mainboard uses PIC main control chip, and described PIC main control chip sets
Being equipped with multiple bright light pattern, described bright light pattern at least includes light-modulating mode, switching mode and gradual-change mode, according to lighting time
Flow of the people signal frequency in Duan, PIC main control chip controls LED lamp holder and switches between multiple bright light pattern.
Relative to prior art, advantages of the present invention is as follows: the smart structural design of whole system, and dismounting assembles maintenance more
Changing conveniently, extensibility is good, and cost is relatively low, can effectively realize the intellectuality of LED street lamp illumination, hommization and low energy consumption and control；
Light on and off and employing lamp in brightness adjustment control and the linked manner of flow of the people to LED lamp holder in systems, and according to lighting time
Flow of the people signal frequency in Duan, the PIC main control chip in intelligent controller controls LED lamp holder and is comprising light-modulating mode, switch
Switch between pattern and the multiple bright light pattern of gradual-change mode, can accomplish the period in the late into the night have thin and weak man bright, without thin and weak man go out bright
Lamp illumination functions, thus effectively save electric energy extend service life of street lamp to a certain extent, and people can be made all the time
Bright road environment can be experienced, fully meet the lighting demand of people.Due to the people's current sensor in system almost
Arrange at equal intervals, and in people's current sensor, use the active infrared detection device of double light path, anti-interference and false alarm prevention capability
Strong and detection sensitivity and precision are high, can the most accurately detect flow of the people signal, and use ZigBee wireless flow of the people signal
Network is sent in each sub-LED street lamp system in real time, has signal transmission timeliness is good, low in energy consumption, low cost, is prone to real
Existing, capacity of resisting disturbance strong and transmission reliability high.Additionally drive in LED illumination in the bright light on-off circuit of module and set
Determine the time delay of switch, thus LED lamp holder has been realized the function being delayed to turn off, LED lamp holder can have been extended to a certain extent
Service life.
Accompanying drawing explanation
Fig. 1 is the LED street lamp intelligent control structural representation of the present invention.
Fig. 2 is the sub-LED street lamp system structural representation of the present invention.
Fig. 3 be the present invention system in power the structural representation of lithium battery pack.
Fig. 4 be the present invention system in be incubated lithium battery group structural representation.
Fig. 5 is the battery voltage balanced unit circuit diagram of the preferred embodiment of the present invention of the present invention.
In figure: 1-encapsulating housing, 2-battery protecting plate, 3-intelligent control box, 4-is incubated lithium battery group, 5-electric fuse, 6-
Power cable and control cable, 7-heat-insulation layer, 8-thermal shrinkable sleeve, 9-heating board, 10-aluminum heat conducting plate, 11-lithium battery group, 12-constant temperature
Panel, the SMD temperature sensor of 13-.
Detailed description of the invention
In order to deepen the understanding of the present invention and understanding, the invention will be further described below in conjunction with the accompanying drawings and introduces.
A kind of based on measuring the road lamp system of flow of the people, see Fig. 1-2, including some groups of LED street lamp illuminators and setting
Putting and often organizing Pedestrian flow detection device in LED street lamp illuminator, the group number of described LED street lamp illuminator is by the total length of road
Determining, the LED street lamp illuminator of two adjacent groups is communicatively coupled, thus carries out the transmission of flow of the people signal.Mei Zu LED road
Lamp illuminating system includes that many sub-LED street lamp system, every sub-LED street lamp system include light pole, LED lamp holder, solar-electricity
Pond plate, power supply lithium battery pack, intelligent controller.Wherein, described LED lamp holder is removably mounted at light pole top, described too
Sun energy cell panel is inclined and mounted on the top of light pole, and described power supply lithium battery pack and intelligent controller are arranged at solar energy
The back side of cell panel.Described Pedestrian flow detection device is arranged on the lamp stand of arbitrary sub-LED street lamp system, described Pedestrian flow detection
Device includes Infrared Detectors and flow of the people processor, and described Infrared Detectors is connected by wire with flow of the people processor, described
Flow of the people processor is positioned at all Based Intelligent Control in same group of LED street lamp illuminator by the connection of ZigBee wireless network
Device.Described LED lamp holder, solar panel are all connected with intelligent controller with power supply lithium battery pack, wherein, and described LED
Group connects intelligent controller also by power cable and control cable 6, and described intelligent controller includes controlling mainboard, cell panel pipe
Reason module, lithium battery management module, LED illumination drive module and ZigBee communication module, described cell panel management module, lithium electricity
Management module in pond drives module to be all connected with control mainboard with LED illumination, and described LED illumination drives module and ZigBee communication mould
Block is connected.
Wherein, seeing shown in Fig. 3 and 4, described power supply lithium battery pack includes encapsulating housing and is arranged in encapsulating housing
The battery protecting plate in portion and insulation lithium battery group, it addition, in order to install and convenient management, be also disposed at power supply by intelligent controller
Inside the encapsulating housing of lithium battery pack, described intelligent controller, battery protecting plate 2 and insulation lithium battery group 4 are sequentially connected electrically,
And it is additionally provided with electric fuse 5 between intelligent controller, battery protecting plate 2 and insulation lithium battery group 4.Described insulation lithium battery group 4
Including heat-insulation layer 7 and lithium battery bag, described heat-insulation layer 7 wraps whole lithium battery bag, and described lithium battery bag includes thermal shrinkable sleeve 8 He
It is arranged on the lithium battery group 11 within thermal shrinkable sleeve 8, thermostatic control plate 12, heating board 9 and aluminum heat conducting plate 10, described aluminum heat conducting plate 10
Attach with multiple sides of lithium battery group 11 and contact, for lithium battery group 11 being realized bump contact heat transfer, it is ensured that lithium battery
Group 11 is in a certain temperature set and above work.The surface of lithium battery group 11 is close to by described thermostatic control plate 12, and away from leading
Hot aluminium sheet 10(i.e. thermostatic control plate 12 is close on the face being not provided with aluminum heat conducting plate 10 in lithium battery group 11) so that heat-insulation layer
7 internal temperatures maintain about 8 DEG C, owing to the temperature of aluminum heat conducting plate 10 is highly unstable, therefore to guarantee thermostatic control plate
The temperature-sensitive stability of 12, needs thermostatic control plate 12 away from aluminum heat conducting plate 10, to avoid aluminum heat conducting plate 10 to thermostatic control plate
The impact of 12.Described heating board 9 is attached to the surface of aluminum heat conducting plate 10, for conducting heat to aluminum heat conducting plate 10.Described lithium electricity
Pond group 11 and thermostatic control plate 12 are all by wire connected battery protection board 2.
In preferred embodiment, described encapsulating housing 1 uses PC+ABS engineering plastic alloy (i.e. ABS engineering plastics) to make,
There is excellent heat-resisting weatherability, dimensional stability, resistance to acids and bases, waterproof and dampproof property, anti-corrosive properties and impact resistance.Described box
Body uses aluminium to make, thus intelligent controller plays the effect of heat radiation protection, and at intelligent controller and box body inner chamber
Space in fill casting glue, with antistatic.Described heat-insulation layer 7 uses polytetrafluoroethylene foamed plastics or polyurethane foam plastics
Making, thickness, in 1-5cm, good effect of heat insulation, can effectively slow down the heat of lithium battery group under low temperature environment and scatter and disappear.
Described heating board 9 is a kind of PTC constant temperature heating element, and its outer wrap has one layer of heat conduction aluminum hull, play protection and
The effect of quick conductive；Described PTC constant temperature heating element contacts with attaching between aluminum heat conducting plate 10 and conducts heat, PTC constant temp. warming unit
Part is connected by wire with thermostatic control plate 12.Heating occasion at middle low power, PTC constant temperature heating element has constant temperature and sends out
Heat, thermal conversion rate are high, length natural life-span and not by advantages such as supply voltage are affected, and its principle is after PTC thermistor is added some points
Self-heating heats up and makes resistance enter transition district, and heated at constant temperature PTC thermistor surface temperature will keep steady state value, and temperature with
The Curie temperature of PTC thermistor is relevant with applied voltage, and unrelated with ambient temperature.Therefore, PTC constant temperature heating element is used
Even if heating control circuit uninterruptedly supplies power for because of out of control, it also can only be increased to ceiling temperature (normally no higher than 60
Degree), thus can effectively prevent its damage to lithium battery group and the generation of contingency.Described thermostatic control plate 12 includes one group
SMD temperature sensor 13(preferred embodiment uses pasted sheet type thermistor) and heating control circuit, described SMD temperature
Degree sensor 13 is arranged on thermostatic control plate 12, and contacts with lithium battery group 11, for sensing the temperature of lithium battery group 11
And signal is fed back to heating control circuit, described heating control circuit controls the break-make of PTC constant temperature heating element.Described heating
The ON-OFF control circuit that control circuit is made up of field effect transistor and comparison amplifier, when 13 perception of SMD temperature sensor
Temperature less than the temperature set after, the output of comparison amplifier in ON-OFF control circuit increases, and turns on field effect transistor, thus opens
Heating board 9 is heated by dynamic PTC constant temperature heating element.
It addition, described aluminum heat conducting plate 10 is wound around a circle around set of cells surrounding, specifically aluminum heat conducting plate 10 is made and have
The aluminum seamless welding sheet frame in four plate faces, is then set in described aluminum heat conducting plate 10 in described lithium battery group, and allows and lead
Four plate faces, four sidewalls adjacent with lithium battery group of hot aluminium sheet 10 closely attach, and the global shape of lithium battery group is rectangle.
In order to realize high-heat conductive efficency, the heat conduction aluminum hull outside described heating board 9 is affixed with the large area one side of the board of aluminum heat conducting plate 10
Attached, carry out heat conduction by aluminum hull with directly contacting of aluminium sheet, there is fast and uniform advantage of conducting heat of conducting heat, can be to whole lithium
Set of cells realizes uniform heating and heat insulation effect.It addition, the area of the heat conduction aluminum hull on heating board 9 is set to aluminum heat conducting plate
The 2/3-4/5 of the large-area sheet face area of 10, increases heat conduction aluminum hull and leads as far as possible on the premise of preventing heating board 9 to be short-circuited
The contact area of hot aluminium sheet 10, thus heat transfer efficiency can be improved.
Described lithium battery management module includes set of cells intelligent recharge and discharge unit, battery voltage balanced unit, set of cells
Condition Monitoring Unit and current detecting unit, described battery protecting plate includes Overvoltage protecting unit, under-voltage protection unit, charging tiny stream
Flow protected location, anti-reverse protected location, over-temperature protection unit, low-temperature protection unit, Cross prevention unit and overcharge protection list
Unit, is provided with multiple electric voltage equalization chip, shunting discharge paths resistance and discharges with shunting in described battery voltage balanced unit
The shunting discharge paths of branch resistance series connection controls switching device, is provided with and has PWM in described set of cells intelligent recharge and discharge unit
Controlling the pic chip of port, charging control switch device and discharge control switch device, described Overvoltage protecting unit uses TI
Two grades of overvoltage protection chip, described current detecting unit is provided with current sensor chip, it is preferred that described current sensor
Chip is MAX472ESA chip.Described over-temperature protection unit is provided with temperature sensor, it is preferred that described temperature sensor is adopted
Use DS18B20.Described battery state monitoring means can read the voltage often saving lithium battery, and sends this voltage parameter to control
Mainboard processed processes, and described current detecting unit can detect charging and discharging currents, it is also possible to realize the function of accumulative electricity, from
And record and flow into lithium battery group or flow out the electricity of lithium battery group.
Described lithium battery group uses some joint lithium batteries to be composed in series, and described shunting discharge paths controls switching device and uses
N-channel MOS pipe, described charging control switch device uses PNP triode, and described discharge control switch device uses N-channel
Metal-oxide-semiconductor；The model of described electric voltage equalization chip is S8209A, and described charging control switch device connects the CO of electric voltage equalization chip
Pin, described discharge control switch device connects the DO pin of electric voltage equalization chip, and described shunting discharge paths controls derailing switch
Part connects the CB pin of electric voltage equalization chip, and described shunting discharge paths resistance is connected to the drain electrode end of N-channel MOS pipe.See
Fig. 5, gives 4 groups of electric voltage equalization chips being connected in series and saves, to 4,18650 lithium batteries being connected in series respectively in preferred embodiment
Carry out balance charge/discharge control, open threshold in the equilibrium reaching electric voltage equalization chip internal when the voltage of single-unit 18650 lithium battery
During value, the CB pin output high level of chip, the N-channel MOS pipe (Q1/Q2/ of switching device is controlled as shunting discharge paths
Q5/Q6) conducting, thus unnecessary by consuming battery as the spontaneous heating of shunting discharge paths resistance R12/R14/R16/R24
Electricity, allow lithium battery cell electricity realize equilibrium, this equalization is energy expenditure method, it is ensured that often save lithium battery voltage and
The concordance of capacity.In electric voltage equalization chip S8209A, CTLC pin is charging control terminal, and CTLD pin is used for electric discharge
Control terminal, VDD pin is that the positive voltage of (positive supply input terminal) battery connects terminal, VSS pin (negative supply input
Son) battery negative voltage connect terminal, CDT pin be overcharge detection postpone, overdischarge detection postpone electric capacity connect end
Son, DO pin is control of discharge lead-out terminal, and CO pin is charging control lead-out terminal, and CB pin is electric quantity balancing control
Use lead-out terminal.The CO pin of each electric voltage equalization chip is additionally provided with diode, audion and metal-oxide-semiconductor, wherein, audion
Can cut off the charging to lithium battery when when battery overvoltage, on the one hand diode is used for charging, and on the other hand can effectively prevent electricity
Stream blows back into solar panel, and metal-oxide-semiconductor can be opened when charging current is bigger, thus reduces the loss of charge circuit.
Described cell panel management module includes that cell plate voltage detector unit, temperature compensation unit, cell panel conflux electric current
Detector unit, real-time conversion efficiency detector unit, anti-lightning strike protected location and anti-reverse charging protected location, described cell plate voltage is examined
Survey the voltage detecting circuit that unit uses metal-oxide-semiconductor field effect transistor and sample resistance to constitute, for judging the brightness of external environment condition, with really
Ding white ware sky and night, thus control to provide auxiliary foundation for the charge and discharge control of lithium battery group and the light on and off of LED lamp holder.Described
LED illumination drives module to include PWM dimming control unit, voltage increase and current constant driver element and bright light on-off circuit, and described bright light is opened
Close circuit to be connected with ZigBee communication module.
Often group LED street lamp illuminator includes 3-5 sub-LED street lamp system, two adjacent sub-LED street lamp system Roads
The distance of lamp stand is 25-30m, and on described light pole, the position at distance ground 0.5-1m offers U-shaped groove, described flow of the people
Detector is fixedly mounted in U-shaped groove, and ensures the axis of infrared ray that described Infrared Detectors launched and light pole
Line is perpendicular.Carry out accurate detect and capture being capable of the flow of the people to road, thus the light on and off for LED lamp holder control to carry
For necessary control signal.
Described solar panel mounting plane on light pole and the slanted angle between level ground are 30 °～60 °,
This slanted angle can be finely adjusted according to the local latitude residing for light pole, to realize the annual generated energy of solar panel
Bigization, and ensure to have at winter (situation that in a year, solar radiation the is worst) solar panel that illumination is faint preferably to fill
Electricity, it is ensured that solar street light remains to normally work, thus is effectively improved the reliability of solar street light year-round operation.
Described Infrared Detectors uses has the active infrared detection device of double light path, thus have higher anti-interference and
The ability of false alarm prevention, the infrared light supply being positioned in double light path uses infrared semiconductor laser, compared with general infrared light supply,
There is the advantages such as bright light is high, monochromaticity is good, good directionality, penetration power are strong, effective detection range is remote, so that it is guaranteed that Infrared Detectors
Remain to normally work and have good certainty of measurement under the conditions of harsh climate.It addition, described active infrared detection device
The shortest shading time select 15ms, when the shading time less than 15ms time, Infrared Detectors does not produce flow of the people signal, and when hiding
When the light time is more than 15ms, Infrared Detectors to flow of the people processor sender's flow signal, thus avoid causing unnecessary
Noise jamming or fail to report.Described flow of the people processor include AD conversion unit, filter processing unit, signal amplification unit,
ZigBee signal signal generating unit, ZigBee signal transmitter unit and power supply unit, these unit all use existing circuit module
Realize.
Described control mainboard uses PIC main control chip, and described PIC main control chip is provided with multiple bright light pattern, described
Bright light pattern at least includes light-modulating mode, switching mode and gradual-change mode, according to the flow of the people signal frequency in lighting time section,
PIC main control chip controls LED lamp holder and switches between multiple bright light pattern.Due to different regions, the custom of people's life
Difference, the movable rule (i.e. flow of the people) of different periods people is also different, therefore, by the time whole night according to the movable frequency of people
Rate height carries out segmentation, when people's motion frequency high (i.e. flow of the people is big), provides switching mode for LED lamp holder, and movable people
Light-modulating mode or gradual-change mode is provided for LED lamp holder, wherein at light-modulating mode or gradual-change mode during frequency low (i.e. flow of the people is little)
In, carry out bright light according to the bright light curve pre-set, so can not only meet the lighting demand of people, also be effectively saved
Electric energy.Can produce according to the configuration of user's decision table as the mode of Time segments division or the configuration mode of bright light curve, user's decision-making
Table is usually the parameter table formulated according to local feature.It addition, in gradual-change mode, in order to avoid snap switch is to LED
The impact in head service life, sets the time delay of switch in bright light on-off circuit, thus realizes LED lamp holder postponing to close
Disconnected function.Use native system can accomplish that the period in the late into the night has thin and weak man's bright light illumination functions bright, that go out without thin and weak man, thus effectively save
Electric energy also extends service life of street lamp to a certain extent.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned embodiment, also includes
The technical scheme being made up of above technical characteristic combination in any.It should be pointed out that, for those skilled in the art
For, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. a road lamp system based on mensuration flow of the people, it is characterised in that: include some groups of LED street lamp illuminators and setting
Often organizing Pedestrian flow detection device in LED street lamp illuminator, often group LED street lamp illuminator includes many sub-LED street lamp system,
Every sub-LED street lamp system includes light pole, LED lamp holder, solar panel, power supply lithium battery pack, intelligent controller, institute
Stating LED lamp holder and be removably mounted at light pole top, described solar panel is inclined and mounted on the top of light pole, described confession
Electricity lithium battery pack and intelligent controller are arranged at the back side of solar panel；Described Pedestrian flow detection device is arranged on arbitrary
On the lamp stand of individual sub-LED street lamp system, described Pedestrian flow detection device includes Infrared Detectors and flow of the people processor, described infrared
Detector is connected by wire with flow of the people processor, and described flow of the people processor is positioned at same by the connection of ZigBee wireless network
All intelligent controllers in one group of LED street lamp illuminator；Described LED lamp holder, solar panel and power supply lithium battery group
Part is all connected with intelligent controller, and described intelligent controller includes controlling mainboard, cell panel management module, lithium battery management mould
Block, LED illumination drive module and ZigBee communication module, described cell panel management module, lithium battery management module and LED illumination
Driving module to be all connected with control mainboard, described LED illumination drives module to be connected with ZigBee communication module.
A kind of based on the road lamp system measuring flow of the people, it is characterised in that described power supply lithium battery
Assembly includes encapsulating housing and is arranged on the battery protecting plate within encapsulating housing and insulation lithium battery group, described insulation lithium battery
Group includes heat-insulation layer and lithium battery bag, and described heat-insulation layer wraps whole lithium battery bag, described lithium battery bag include thermal shrinkable sleeve and
It is arranged on the lithium battery group within thermal shrinkable sleeve, thermostatic control plate, heating board and aluminum heat conducting plate, described aluminum heat conducting plate and lithium battery group
Multiple sides attach contact, described thermostatic control plate is close to the surface of lithium battery group and away from aluminum heat conducting plate, described heating board
Being attached to the surface of aluminum heat conducting plate, described lithium battery group and thermostatic control plate are all by wire connected battery protection board.
A kind of based on the road lamp system measuring flow of the people, it is characterised in that described thermostatic control plate
Including one group of SMD temperature sensor and heating control circuit, described heating board is a kind of PTC constant temperature heating element, described patch
Chip temperature sensor is arranged on thermostatic control plate, and contacts with lithium battery group, described PTC constant temperature heating element and heat conduction
Attaching contact between aluminium sheet and conduct heat, PTC constant temperature heating element is connected by wire with thermostatic control plate.
A kind of based on the road lamp system measuring flow of the people, it is characterised in that described lithium battery
Management module includes set of cells intelligent recharge and discharge unit, battery voltage balanced unit, battery state monitoring means and electric current
Detector unit, described battery protecting plate includes Overvoltage protecting unit, under-voltage protection unit, charging trickle protected location, anti-reverse
Protected location, over-temperature protection unit, low-temperature protection unit, Cross prevention unit and overcharge protected location, described battery voltage
Balanced unit is provided with multiple electric voltage equalization chip, shunting discharge paths resistance and the shunting with shunting discharge paths resistant series
Discharge paths control switching device, described set of cells intelligent recharge and discharge unit is provided with have PWM control port pic chip,
Charging control switch device and discharge control switch device, described Overvoltage protecting unit uses two grades of overvoltage protection chip of TI,
Described current detecting unit is provided with current sensor chip, described over-temperature protection unit is provided with temperature sensor.
A kind of based on the road lamp system measuring flow of the people, it is characterised in that described lithium battery group is adopted
Being composed in series with some joint lithium batteries, described shunting discharge paths controls switching device and uses N-channel MOS pipe, described charging control
Switching device processed uses PNP triode, and described discharge control switch device uses N-channel MOS pipe；Described electric voltage equalization chip
Model be S8209A, described charging control switch device connect electric voltage equalization chip CO pin, described discharge control switch
Device connects the DO pin of electric voltage equalization chip, and described shunting discharge paths controls switching device and connects the CB of electric voltage equalization chip
Pin, described shunting discharge paths resistance is connected to the drain electrode end of N-channel MOS pipe.
A kind of based on the road lamp system measuring flow of the people, it is characterised in that described cell panel manages
Module include cell plate voltage detector unit, temperature compensation unit, cell panel conflux current detecting unit, real-time conversion efficiency inspection
Survey unit, anti-lightning strike protected location and anti-reverse charging protected location, described cell plate voltage detector unit use metal-oxide-semiconductor field effect transistor and
The voltage detecting circuit that sample resistance is constituted, for judging the brightness of external environment condition, to determine daytime and night；Described LED shines
Bright driving module includes PWM dimming control unit, voltage increase and current constant driver element and bright light on-off circuit, described bright light on-off circuit
It is connected with ZigBee communication module.
A kind of based on the road lamp system measuring flow of the people, it is characterised in that often group LED street lamp is shone
Bright system includes 3-5 sub-LED street lamp system, and in two adjacent sub-LED street lamp system, the distance of light pole is 25-30m, institute
Stating and offer U-shaped groove at the position apart from ground 0.5-1m on light pole, it is recessed that described Pedestrian flow detection device is fixedly mounted on U-shaped
In groove, and ensure that the infrared ray that described Infrared Detectors is launched is perpendicular with the axis of light pole.
8. a kind of based on mensuration flow of the people the road lamp system as described in claim 1 or 7, it is characterised in that described solar energy
Cell panel mounting plane on light pole and the slanted angle between level ground are 30 °～60 °, and this slanted angle can be according to road
Local latitude residing for lamp stand is finely adjusted.
A kind of based on the road lamp system measuring flow of the people, it is characterised in that described Infrared Detectors
Using the active infrared detection device with double light path, the infrared light supply being positioned in double light path uses infrared semiconductor laser,
The shortest shading time of described active infrared detection device selects 15ms, and when the shading time is less than 15ms, Infrared Detectors is not
Produce flow of the people signal, and when the shading time is more than 15ms, Infrared Detectors is to flow of the people processor sender's flow signal；
Described flow of the people processor include AD conversion unit, filter processing unit, signal amplification unit, ZigBee signal signal generating unit,
ZigBee signal transmitter unit and power supply unit.
A kind of based on the road lamp system measuring flow of the people, it is characterised in that described control mainboard
Using PIC main control chip, described PIC main control chip is provided with multiple bright light pattern, described bright light pattern at least includes light modulation
Pattern, switching mode and gradual-change mode, according to the flow of the people signal frequency in lighting time section, PIC main control chip controls LED
Head switches between multiple bright light pattern.
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| CN106304488B (en) | 2018-01-19 |
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