CN208063508U - A kind of tunnel entrance light modulating device based on photovoltaic power - Google Patents
A kind of tunnel entrance light modulating device based on photovoltaic power Download PDFInfo
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- CN208063508U CN208063508U CN201820015023.3U CN201820015023U CN208063508U CN 208063508 U CN208063508 U CN 208063508U CN 201820015023 U CN201820015023 U CN 201820015023U CN 208063508 U CN208063508 U CN 208063508U
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Abstract
The utility model proposes a kind of tunnel entrance light modulating device based on photovoltaic power is separately connected control photovoltaic cell component, accumulator group, power selection circuit and 0-10V micro batteries by controller；The device is selected to supply electricity to the driving power of Tunnel Lamp using accumulator, photovoltaic cell component or city's electricity output by power selection circuit；Controller carries out power calculation by the electric parameter of photovoltaic battery panel, real-time judge the luminance of outer caves, LED illumination brightness inside adjust automatically vcehicular tunnel, keep the intensity of illumination inside and outside tunnel with uniformity, to avoid black-hole effect when discrepancy tunnel and white hole effect, reduce the generation that the damage to human eye even avoids traffic accident, this adjust automatically by the way that tunnel entrance brightness of illumination may be implemented with the calculation of photovoltaic battery panel output power, eliminate brightness detector, intelligent algorithm directly is added in controller to can be realized, it is simple in structure, it is at low cost, it is easy to operate.
Description
Technical field
The utility model is related to solar LED illumination schemes, the tunnel entrance light modulation specifically based on photovoltaic power
Device.
Background technology
With the continuous development of LED field, average life, traditional lamps and lanterns could up to 50,000 ~ 100,000 hours
Meet the lighting system in tunnel, the adjustable light characteristic of LED becomes the needs of tunnel illumination.It is illuminated according to highway in China tunnel ventilation
The requirement of design specification, the vcehicular tunnel of 200m or more needs to install lighting installation, but construction is dilute in the signs of human habitation mostly for vcehicular tunnel
Few mountain area, stringing cost is higher here, and line fault is easily sent out, and power supply cost and power supply reliability become highway tunnel illumination
The problem of system provides a kind of inexpensive, environmentally protective solution based on solar powered tunnel illuminating system, but
If solar energy highway tunnel illumination system does not control tunnel entrance intraoral illumination brightness, black-hole effect and white can be caused
Hole effect causes damage to human eye or even causes the generation of traffic accident.Currently existing scheme is bright generally by being installed in tunnel outer
The light modulation that detection device realizes tunnel entrance is spent, can cause installation inconvenient in this way, while improving cost, maintenance difficulty
Greatly, the consistency of illumination and illumination outside tunnel therefore in guarantee vcehicular tunnel, becomes highway tunnel illumination mass of system
It is crucial.
Utility model content
In view of the above shortcomings of the prior art, the utility model emphasis solves traditional solar tunnel illumination system entrance
The problems such as section light modulation implementation difficulty is complicated, and installation difficulty is big, of high cost provides a kind of tunnel based on photovoltaic power and goes out
Entrance light modulating device.
The utility model is achieved through the following technical solutions：A kind of tunnel entrance light modulation based on photovoltaic power
Device, including photovoltaic cell component, accumulator group, two-way DC converter, power selection circuit, 0-10V micro batteries, tunnel go out
Entrance LED tunnel lamp component, tunnel basic segment LED tunnel lamp component.Wherein photovoltaic cell component is by photovoltaic battery panel, unidirectional
DC converter forms；Accumulator group is made of accumulator, two-way DC converter；Controller is by A/D sampling units, power meter
Calculate unit, solar cell charge-discharge control unit and power supply control administrative unit composition.
The controller is separately connected control photovoltaic cell component, accumulator group, power selection circuit and the micro- electricity of 0-10V
Source.Wherein Unidirectional direct-current converter input is connected with photovoltaic battery panel, and output is connected with controller；0-10V micro batteries input with
Controller is connected, and output is connected with the LED tunnel lamp component of tunnel entrance.
The power selection circuit input is connected with accumulator group, alternating current, photovoltaic cell component output, and output goes out with tunnel
Entrance LED tunnel lamp component is connected.Wherein accumulator group is connected with controller, and charge and discharge are controlled by the controller.
The tunnel entrance section LED tunnel lamp component is made of tunable optical driving power and LED tunnel lamp.It is wherein adjustable
The feedback reference value of optical drive power supply is controlled by 0-10V micro batteries.
The tunnel basic segment LED tunnel lamp component is made of driving power and LED tunnel lamp.
The controller contains solar cell charge-discharge control unit and power supply control administrative unit, solar cell
Charge-discharge control unit mainly realizes the charge and discharge control of accumulator, when the output power of photovoltaic battery panel drops below threshold
When A, when being insufficient for tunnel illumination, batteries to store energy amount is judged at this time, if capacity is higher than electricity 1, is given at this time by accumulator
Tunnel Lamp assembly power supply supplies electricity to Tunnel Lamp assembly power supply by city at this time if capacity is less than capacity 1；When the output of photovoltaic battery panel
When power rise is to threshold A, then Tunnel Lamp assembly power supply directly is given by solar cell panel assembly, while judging solar cell
Board group part output power size, if surplus is big, when providing tunnel illumination power supply to battery charging.
The controller contains A/D sampling units and power calculation unit, and A/D sampling units detect photovoltaic battery panel in real time
The output electrical quantity of component（Such as voltage, electric current）, power calculation unit mainly realizes the detection and analysis meter to tunnel outer brightness
It calculates, obtains exterior light in real time and illuminate degrees of data, output control 0-10V micro batteries change the feedback reference of tunable optical driving power
Value realizes light modulation, ensures brightness uniformity inside and outside tunnel.
Compared with prior art, the utility model has the advantages that：
The utility model samples photovoltaic battery panel electric parameter by the A/D sampling units of controller, and power calculation is added
Unit realizes the monitoring to tunnel outer brightness, while being connected with tunnel entrance light fixture by 0-10V micro batteries,
The consistent adjusting of brightness inside and outside tunnel is realized, it is at low cost, simple in structure, it is easy to control, eliminate the peace of luminance detection device
Dress；The utility model focuses on solar charging/discharging control unit and power supply control administrative unit in controller, realizes pair
Management when solar energy meets tunnel illumination to electric energy surplus, at the same solar energy directly powered, battery discharging and alternating current supply
Electric reasonable distribution ensure that the reliability of tunnel illumination.
Description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is that Tthe utility model system power supply power supply selects flow chart.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and detailed description：
A kind of tunnel entrance light modulating device based on photovoltaic power as shown in Figure 1, by photovoltaic cell component, accumulator
Group, power selection circuit, 0-10V micro batteries, tunnel entrance section LED tunnel lamp component, tunnel basic segment LED tunnel lamp component
Composition.
Controller is separately connected control photovoltaic cell component, accumulator group, power selection circuit and 0-10V micro batteries；Its
Middle Unidirectional direct-current converter input is connected with photovoltaic battery panel, and output is connected with controller；The wherein input of 0-10V micro batteries and control
Device processed is connected, and output is connected with the LED tunnel lamp component of tunnel entrance；Power selection circuit input with accumulator group, alternating current,
The output of Unidirectional direct-current converter is connected, and output is connected with tunnel entrance LED tunnel lamp component；Wherein accumulator group and controller
It is connected, charge and discharge are controlled by the controller；Tunnel entrance section LED tunnel lamp component is by tunable optical driving power and LED tunnel lamp
Composition, the feedback reference value of wherein tunable optical driving power are controlled by 0-10V micro batteries；Tunnel basic segment LED tunnel lamp component
It is made of driving power and LED tunnel lamp；Controller is completed by its internal solar cell charge-discharge control unit to light
Lie prostrate the control of the charge and discharge of battery panel components and accumulator group and the realization of various protections.Because of the variation of external light intensity, light
The power output curve of volt battery pack has difference, and the output current and voltage of controller adjusting photovoltaic battery panel are to reach photovoltaic
The MPPT (MPPT maximum power point tracking) of power generation, reaches the maximal efficiency of photovoltaic generation.
When extraneous intensity of illumination reaches, and the output power from photovoltaic cells is made to be more than power needed for LED illumination, charge and discharge control
Circuit control photovoltaic cell group charges to accumulator group.This programme accumulator group takes stage charging modes.Work as accumulator
When group electricity is relatively low, constant current fast charge is carried out with the electric current of 1C to accumulator group；It is right when accumulator battery voltage is close to rated voltage
Accumulator group carries out constant-voltage charge on the basis of load voltage value, and when electric current is zero, battery is full of, and stops charging.
Constant pressure output may be implemented in Unidirectional direct-current converter in photovoltaic cell component, can directly be filled to accumulator
Electricity can also directly be that LED constant current driving current is powered.
It is photovoltaic cell group, accumulator group or alternating current for LED tunnel illumination assembly power supply that power selection circuit, which can select,
Accumulator can ensure the power reguirements of cloudy day or night to LED, and alternating current can ensure in photovoltaic battery panel and accumulator
When inactivity exports, uninterrupted, the guarantee tunnel illumination reliability of power supply.
Power selection circuit module is equivalent to analog switch, according to the selection of the height of external photovoltaic cell voltage directly with outer
Portion's photovoltaic cell is the output power supply directly by filter or the output power supply with accumulator group.When cloudy day or night photovoltaic
When battery voltage is less than a certain threshold voltage, selection uses accumulator or mains-supplied.
A/D sampling units inside controller and power calculation unit, by output voltage to photovoltaic cell component and
The electric parameters such as output current carry out A/D conversions, and output signal calculates the illuminance of external environment through power calculation unit,
0-10V micro batteries outside control adjust output voltage, change the feedback reference value of adjustable light power supply, and then change adjustable photoelectricity
The output current in source, to ensure the consistency of the brightness inside and outside tunnel.Because of the real-time output power of photovoltaic battery panel and illumination
Intensity is related, and illumination is stronger, and output power is bigger, and by the calculating to output voltage and output current, be easy to get output power, then
According to output power and illumination curved line relation, it is easy to analyze intensity of illumination in real time.Because LED luminance approximation direct ratio flows through LED's
Electric current, this programme take PWM control modes that the constant-current source needed for LED drivings is adjusted, to realize to LED luminance from
Dynamic control.
In conclusion the utility model by controller lining introduce power calculation unit, and with 0-10V micro battery phases
Connection, realizes the consistency of brightness inside and outside tunnel access tunnel, eliminates the installation of tunnel outer brightness detector, have
It is at low cost, simple in structure, it is easy to control the advantages that, efficiently solve brightness inside and outside conventional tunnel illumination entrance section tunnel and differ
The problem of cause, the utility model are suitable for the working environment of general tunnel entrance section illumination, and it is high steady can to reach high reliability
Qualitative lighting requirement, above-mentioned implementation example illustrate one simple and constructing constant-current dimming module just for the sake of operation principle
Example in practical applications can be slightly modified to this programme according to actual conditions, reaches optimization efficiency and cost-effective mesh
's.
The above-mentioned implementation example of the utility model is not to this only to illustrate the utility model example
The restriction of the embodiment of utility model.For those of ordinary skill in the art, on the basis of the above description also
Other various forms of variations and variation can be made.Here all embodiments can not be exhaustive.It is every to belong to this
The technical solution changes and variations that derived from of utility model still in the scope of protection of the utility model it
Row.
Claims (3)
1. a kind of tunnel entrance light modulating device based on photovoltaic power, including photovoltaic cell component, accumulator group, bidirectional, dc
Converter, power selection circuit, 0-10V micro batteries, tunnel entrance section LED tunnel lamp component, tunnel basic segment LED tunnel lamp
Component；Wherein photovoltaic cell component is made of photovoltaic battery panel, Unidirectional direct-current converter；Accumulator group is by accumulator, two-way straight
Current converter forms；Controller is by A/D sampling units, power calculation unit, solar cell charge-discharge control unit and power supply
Control administrative unit composition；
The controller is separately connected control photovoltaic cell component, accumulator group, power selection circuit and 0-10V micro batteries,
Middle Unidirectional direct-current converter input is connected with photovoltaic battery panel, and output is connected with controller；The wherein input of 0-10V micro batteries and control
Device processed is connected, and output is connected with the LED tunnel lamp component of tunnel entrance；
The power selection circuit input is connected with accumulator group, alternating current, photovoltaic cell component output, output and tunnel entrance
LED tunnel lamp component is connected, and wherein accumulator group is connected with controller, and charge and discharge are controlled by the controller；
The tunnel entrance section LED tunnel lamp component is made of tunable optical driving power and LED tunnel lamp, wherein adjustable CD-ROM drive
The feedback reference value of dynamic power supply is controlled by 0-10V micro batteries；
The tunnel basic segment LED tunnel lamp component is made of driving power and LED tunnel lamp.
2. a kind of tunnel entrance light modulating device based on photovoltaic power according to claim 1, it is characterised in that：It is described
Controller contain solar cell charge-discharge control unit and power supply control administrative unit, solar cell charge and discharge control list
First main charge and discharge control for realizing accumulator is not enough to full when the output power of photovoltaic battery panel drops below threshold A
When sufficient tunnel illumination, batteries to store energy amount is judged at this time, if capacity is higher than electricity 1, is supplied at this time to Tunnel Lamp component by accumulator
Electricity supplies electricity to Tunnel Lamp assembly power supply by city at this time if capacity is less than capacity 1；When the output power of photovoltaic battery panel rises to fault
When value A, then Tunnel Lamp assembly power supply directly is given by solar cell panel assembly, while judging solar cell panel assembly output work
Rate size, if surplus is big, when providing tunnel illumination power supply to battery charging.
3. a kind of tunnel entrance light modulating device based on photovoltaic power according to claim 1, it is characterised in that：It is described
Controller contains A/D sampling units and power calculation unit, and A/D sampling units detect the output electricity of photovoltaic battery panel components in real time
Pressure and output current, power calculation unit mainly realize that the detection and analysis to tunnel outer brightness calculate, obtain exterior light in real time
Degrees of data is illuminated, output control 0-10V micro batteries change the feedback reference value of tunable optical driving power, realize light modulation, ensure tunnel
Brightness uniformity inside and outside road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820015023.3U CN208063508U (en) | 2018-01-05 | 2018-01-05 | A kind of tunnel entrance light modulating device based on photovoltaic power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820015023.3U CN208063508U (en) | 2018-01-05 | 2018-01-05 | A kind of tunnel entrance light modulating device based on photovoltaic power |
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| Publication Number | Publication Date |
|---|---|
| CN208063508U true CN208063508U (en) | 2018-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820015023.3U Expired - Fee Related CN208063508U (en) | 2018-01-05 | 2018-01-05 | A kind of tunnel entrance light modulating device based on photovoltaic power |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111465138A (en) * | 2020-04-14 | 2020-07-28 | 上海市城市建设设计研究总院（集团）有限公司 | Adaptive photovoltaic L ED tunnel enhancement lighting system and operation method thereof |
-
2018
- 2018-01-05 CN CN201820015023.3U patent/CN208063508U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111465138A (en) * | 2020-04-14 | 2020-07-28 | 上海市城市建设设计研究总院（集团）有限公司 | Adaptive photovoltaic L ED tunnel enhancement lighting system and operation method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181106 Termination date: 20200105 |
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| CF01 | Termination of patent right due to non-payment of annual fee |