Background technology
Street lamp not only quantity is huge, and the power of single street lamp big, light chronic.Street lamp is consuming the huge electric energy in the electrical network, has brought great burden to mains supply.In order to reduce the street lamp energy consumption, reduce burden that electrical network is caused, some highway section has begun to adopt the LED street lamp, thereby has reached certain energy-saving effect.
In order further to reduce the burden of street lamp to electrical network, solar LED street lamp has been adopted in some highway section.With solar panel is the led chip power supply, thereby reaches the effect of illumination.Under the comparatively sunny situation of weather, the electric energy that provides by solar panel even whole electric energy that led chip night illumination can be provided.But under the situation of bad weather, under overcast and rainy continuously situation, the electric energy that solar panel produced can't satisfy the needed electric energy of led chip night illumination fully.
That is to say that existing solar LED street lamp still can cause certain load to electrical network.Be necessary further to reduce the load that street lamp causes electrical network.
The utility model content
The purpose of this utility model is to provide a kind of ultrasonic sensing solar street light, to solve the problems of the technologies described above.
The utility model can be realized by the following technical solutions:
The ultrasonic sensing solar street light comprises luminescent device, is used to support the light pole of luminescent device, also comprise a street lamp control system, it is characterized in that, described street lamp control system comprises that one is used to respond to traffic responsive sensing system, a signal processing system of pedestrian on the road or vehicle condition, described traffic responsive sensing system connects described signal processing system, described signal processing system connects the luminescent device switch control module of the described luminescent device luminance of a control, and described luminescent device switch control module connects described luminescent device;
Described traffic responsive sensing system comprises a ultrasonic radar system; Be used to respond to pedestrian or vehicle condition on the road.When the pedestrian on the road or vehicle are in the induction range of described ultrasonic radar system, the ultrasonic radar system responses, send corresponding signal to described signal processing system, described signal processing system transmits control signal to described luminescent device switch control module according to received signal, described luminescent device switch control module is controlled described luminescent device and is lighted, thereby provides road lighting for pedestrian or vehicle.The ultrasonic radar system generally can monitor 10m preferably with interior pedestrian or vehicle, has bigger monitoring area.
Described ultrasonic sensing solar street light also comprises a power-supply system, and described power-supply system comprises a solar electric power supply system, and described solar electric power supply system comprises a solar panel, a battery, and solar panel connects battery.Battery is used to store the electric energy that solar panel produces, and is described ultrasonic sensing solar street light power supply.
Described power-supply system also comprises a mains supply system, also comprises an electric power system administration module, and described electric power system administration module connects described mains supply system and described wind generator system respectively; Be lower than when setting value at described accumulator electric-quantity, switch to power supply by described mains supply system.When described accumulator electric-quantity is higher than a setting value, switch to by described solar electric power supply system power supply.
Described luminescent device adopts LED, so that further save the energy.
Described traffic responsive sensing system also comprises a light sensor, and described light sensor connects described luminescent device switch control module.On daytime, light sensor is subjected to irradiation of sunlight, and luminescent device is in off working state; When light sensor was subjected to irradiation of sunlight intensity and is reduced to a certain degree, luminescent device entered duty.Light sensor plays day and puts out bright control action at night, further using electricity wisely.
Described signal processing system has time delay module, and after lighting luminescent device, the control luminescent device continues luminous a period of time, so that provide lasting road lighting for pedestrian or vehicle.
Described traffic responsive sensing system also comprises the correlation laser sensor system, described correlation laser sensor system comprises a laser beam emitting device and a laser receiver, and described laser beam emitting device and described laser receiver lay respectively at described road both sides.Adopt the correlation laser sensor system to monitor, can monitor greater than the road of 100m width to the road of broad.
Pedestrian on road or vehicle are through the induction range of described correlation laser sensor system, promptly sheltered from laser beam emitting device when laser receiver emitted laser signal, described signal processing system transmits control signal to described luminescent device switch control module, described luminescent device switch control module is controlled described luminescent device and is lighted, thereby provides road lighting for pedestrian or vehicle.
Described correlation laser sensor system is between two adjacent light poles.So that light described luminescent device, provide road lighting as early as possible pedestrian or vehicle arrival light pole distance the last period.
Laser instrument on the described laser beam emitting device can adopt infrared laser, disturbs to avoid vision.
Described laser beam emitting device is provided with the frequency modulation module, and laser signal is carried out frequency modulation, and described laser receiver is provided with and the corresponding signal processing module of described frequency modulation module.By laser signal is carried out frequency modulation, strengthen antijamming capability.
Beneficial effect: owing to adopt technique scheme, the utility model utilizes solar energy and electrical network complimentary fashion that the utility model is powered, and is energy-conservation obvious; Utilize street lamp control system, only when pedestrian and vehicle process street lamp, luminescent device is just lighted, and further realizes energy-conservation purpose, reduces the load that street lamp causes electrical network.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
See figures.1.and.2, the ultrasonic sensing solar street light comprises luminescent device 11, is used to support the light pole 12 of luminescent device 11, also comprises street lamp control system 2.Street lamp control system 2 comprises traffic responsive sensing system 21, the signal processing system 22 that is used to respond to pedestrian on the road or vehicle condition.Traffic responsive sensing system 21 connects signal processing system 22, and signal processing system 22 connects luminescent device switch control module 23, and luminescent device switch control module 23 connects luminescent device 11.Luminescent device 11 can adopt emitting led, so that save the energy.Traffic responsive sensing system 21 also comprises light sensor, and light sensor connects luminescent device switch control module 6.Signal processing system 22 has time delay module, and after lighting luminescent device 11, control luminescent device 11 continues luminous a period of times, so that provide lasting road lighting for pedestrian or vehicle.
With reference to Fig. 1, traffic responsive sensing system 21 also comprises ultrasonic radar system 25.Ultrasonic radar system 25 generally can monitor 10m preferably with interior pedestrian or vehicle, has bigger monitoring area.Ultrasonic radar system 25 also can adopt the active type infrared induction system to substitute, also can with uses that cooperatively interact of correlation laser sensor system, to reach comprehensive more monitoring effect.Traffic responsive sensing system 21 also comprises correlation laser sensor system 24.Correlation laser sensor system 24 comprises laser beam emitting device 241 and laser receiver 242.Laser beam emitting device 241 and laser receiver 242 lay respectively at road 3 both sides of being monitored.Adopt correlation laser sensor system 24 to monitor, can monitor greater than the road of 100m width to the road of broad.Correlation laser sensor system 24 is between two adjacent light poles 12.Laser instrument on the laser beam emitting device 241 can adopt infrared laser.Laser beam emitting device 241 is provided with the frequency modulation module, and laser signal is carried out frequency modulation, and laser receiver 242 is provided with the signal processing module corresponding with the frequency modulation module.
With reference to Fig. 2, the ultrasonic sensing solar street light also comprises power-supply system 4, and power-supply system 4 comprises solar electric power supply system, and solar electric power supply system comprises solar panel 41, battery 42, and solar panel 41 connects battery 42.Battery 42 is used to store the electric energy that solar panel 41 produces, and is the power supply of ultrasonic sensing solar street light.Power-supply system 4 also comprises mains supply system 5, also comprises an electric power system administration module 6, and electric power system administration module 6 connects the battery 42 of mains supply system 5 and solar electric power supply system respectively.When battery 42 electric weight are lower than a setting value, switch to 5 power supplies by the mains supply system.When battery 42 electric weight are higher than a setting value (this setting value can be different with above-mentioned setting value), switch to by solar electric power supply system and power.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.