CN103298178A

CN103298178A - Automatic power adjusting road lamp based on Doppler principle

Info

Publication number: CN103298178A
Application number: CN2012100399099A
Authority: CN
Inventors: 柳延东; 孙秀娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-02-22
Filing date: 2012-02-22
Publication date: 2013-09-11

Abstract

The invention relates to the technical field of energy-saving road lamps, in particular to an automatic power adjusting road lamp based on the Doppler principle. The automatic power adjusting road lamp based on the Doppler principle can automatically adjust lighting intensity and power according to moving situations of pedestrians and vehicles in a lighting area. The automatic power adjusting road lamp based on the Doppler principle is mainly composed of four solidifying modules, a relay (J) and a few peripheral electronic elements, wherein the four solidifying modules are respectively a power supply module (CM1), an environmental light detecting module (CM2), a Doppler microwave detecting module (CM3) and a delay correcting module (CM4). The automatic power adjusting road lamp based on the Doppler principle can be automatically opened and closed according to ambient brightness in the lighting area and can automatically switch lighting intensity according to microwave change situations caused by movement of pedestrians and vehicles.

Description

Power based on Doppler effect is regulated street lamp automatically

Technical field

The present invention relates to the energy-conserving road lamp technical field, particularly regulate street lamp automatically based on the power of Doppler effect.

Background technology

Present widely used street lamp is generally the power fixed, can be also fewer according to the street lamp of the brightness of lighting requirement automatic switching light and lighting power, the present invention can namely not influence the purpose that pedestrian and vehicle safety required and reached energy-conservation saving easily according to the pedestrian in the street lighting coverage and vehicle active situation automatic switching light intensity and power.

Summary of the invention

The invention provides a kind of power based on Doppler effect and regulate street lamp automatically, can realize that regulating illumination intensity automatically according to the active situation of field of illumination one skilled in the art and vehicle etc. reaches purpose energy-conservation and saving.

The present invention mainly is made up of four curing modules and a small amount of peripheral electron element, and four curing modules are respectively power module (CM1), surround lighting detection module (CM2), Doppler's microwave sounding module (CM3) and time-delay correcting module (CM4).

The CM1 module is a DC12 power module of being made up of a 220/12V small-power (about 3W) AC transformer and rectifier bridge and filter element; CM2 is a surround lighting detection module of being made up of photo resistance and controllable silicon etc., and its output relay discharges when ambient light illumination reaches certain value, and subordinate's circuit supply partly disconnects and quits work.Its output relay adhesive when ambient light illumination is lower than set point, subordinate's circuit supply part conducting is also in running order; The CM3 module is to be Doppler's microwave sounding module of core with microwave sounding module MT5100A, (radius 2-20 rice is adjustable) is when having mobiles in the street lamp service area, but CM3 detects control relay (J2) work after the microwave variation in the service area, contact (N3, N4) closure, relay (J2) contact (N3, N4) conducting and control subordinate time-delay correcting module and be in the delay working state, be subjected to relay (J) adhesive of time delay module control, its moving contact (G1) is connected with fixed contact (G2), large power road lamp (L1) is lighted, meanwhile the moving contact of (J) (G1) disconnects with fixed contact (G3), small-power street lamp (L2) extinguishes, and in delay time, be maintained at this state, if the microwave signal in the delay time scope in the control range triggers the action of Doppler's microwave sounding module piece again, then time delay module receives a time-delay command again and enters the delay working state that next delay cycle keeps large power road lamp automatically; When having relay (J2) release constantly of microwave triggering signal N3, N4, environment do not disconnect, the input of time delay module Triggerless, when in the delay time scope still during the Triggerless input delay relay (J) of module controls discharge, its moving contact (G1) is connected with fixed contact (G3), small-power street lamp (L2) is lighted, meanwhile the moving contact of (J) (G1) extinguishes with fixed contact (G2) disconnection large power road lamp (L1), and is maintained at this state in delay time.CM4 is the time-delay correcting module, can set street lamp and switch to the lower powered short period by high power and switch because environmental change in the illumination coverage is frequent to prevent street lamp.

Description of drawings

Fig. 1 is the circuit diagram of the embodiment of the invention.

Fig. 2 is the power module internal circuit diagram of the embodiment of the invention.

Fig. 3 is the internal circuit diagram of the surround lighting detection module of the embodiment of the invention.

Fig. 4 is Doppler's microwave sounding inside modules circuit diagram of the embodiment of the invention.

Fig. 5 is the internal circuit diagram of the time-delay correction curing module of the embodiment of the invention.

Embodiment

The present invention is described in further detail below in conjunction with drawings and the specific embodiments.

As shown in Figure 1, the present invention mainly is made up of four curing modules and a small amount of peripheral electron element, and four curing modules are respectively power module (CM1), surround lighting detection module (CM2), Doppler's microwave sounding module (CM3) and time-delay correcting module (CM4).

As shown in Figure 1, the input of power module (CM1) (A1, A2) directly is connected on the 220V mains supply, and secondary output end (P1, P2) connects subordinate's module dc supply input.As shown in Figure 5, C is the time-delay control capacitance of time-delay correcting module (CM4), can adjust each unlatching that triggers the back large power road lamp by the capacity of adjusting C and hold time, and opens to hold time when selecting 33uF for use in the present embodiment to be about 20 minutes.The control output end (U3 and U4) of the relay (J1) of surround lighting detection module (CM2) is serially connected between the dc power output end (P1) of the feeder ear (N1) of Doppler's microwave sounding module (CM3) and power module (CM1), simultaneously, the control output end (U3 and U4) of the relay (J1) of surround lighting detection module (CM2) also is serially connected between the dc power output end (P1) of feeder ear (X3) and power module (CM1) of time-delay correcting module (CM4), and the negative pole (N2 and X1) of Doppler's microwave sounding module (CM3) and the correcting module (CM4) of delaying time directly is connected the power supply of power module (CM1) and exports on the negative terminal (P2).Like this when the brightness of surround lighting surpasses the brightness that street lamp opens the relay (J1) of surround lighting detection module (CM2) in release condition, its output contact (U3 and U4) disconnects, cause power input and the power output end (CM1) of Doppler's microwave sounding module (CM3) and time-delay correcting module (CM4) to disconnect, two module outages quit work, and street lamp is in outage and extinguishes state.The ambient brightness value that street lamp is opened can change by changing the inner potentiometer (RW, Standard resistance range 470K-10M) of surround lighting detection module (CM2).Fig. 1 repeat circuit (J) is whole output control relay, the control coil of this relay is connected on the output (X2, X3) of time-delay correcting module (CM4), directly the delayed time control of correcting module (CM4) of relay (J), its moving contact (G1) is connected on the 220V city live wire end (A1), fixed contact (G2) is connected on the civil power zero line side (P2) through large power road lamp (L1), and another fixed contact (G3) is connected on the civil power zero line side (P2) through small-power street lamp (L2).Output (X2 when time-delay correcting module (CM4), when X3) end has output, relay (J) adhesive, its (G1), the conducting of fixed contact (G2) pin, large power road lamp (L1) is lighted, meanwhile the moving contact of (J) (G1) extinguishes with fixed contact (G3) disconnection small-power street lamp (L2), and in delay time, be maintained at this state, if the microwave signal in the delay time scope in the street lamp control range triggers Doppler's microwave sounding module (CM3) action again, then time delay module receives a time-delay command again and can enter the delay working state that next delay cycle keeps large power road lamp automatically; Relay when microwave signal is lower than set point in the control range (J1) discharges its contact (N3, N4) and disconnects, the input of time delay module Triggerless, when in the delay time scope still during the Triggerless input delay relay (J) of module controls discharge, its moving contact (G1) is connected with fixed contact (G3), small-power street lamp (L2) is lighted, meanwhile the moving contact of (J) (G1) extinguishes with fixed contact (G2) disconnection large power road lamp (L1), and is maintained at this state in delay time.The opening of street lamp directly is subjected to adhesive and the release condition control of relay (J) like this, between accept the operating state control of time-delay correcting module (CM4), also accept the work in combination state control of surround lighting detection module (CM2), Doppler's microwave sounding module (CM3) and time-delay correcting module (CM4) between just, finally be subjected to the control of the active situation of personnel and vehicle etc. in ambient light conditions and the illumination coverage.Potentiometer among the figure (RW) is selected the small-sized potentiometer of 470K-10M power 1/2W for use, it is DC12V that relay (J) is selected control coil voltage for use, load voltage is 220V, electric current 2A three contact relays, that select for use in this example is JQX13F, C selects the above electrochemical capacitor of withstand voltage 250V for use, and what select for use in this example is 250V 33uF electrochemical capacitor.

As shown in Figure 2, CM1 is a DC12 power module of being made up of 220/12V small-power (about 3W) AC transformer (T1) and a rectifier bridge (Q1-Q4) and filter element (C1), and its effect is to provide 12V DC power supply for each module of subordinate.The input of power module (CM1) (A1, A2) directly is connected on the 220V mains supply, and inferior output (P1, P2) connects subordinate's module dc supply input.In the power module (CM1), it is the miniature transformer that 12V is about 3W for the 220V output that T1 selects input for use, and C1 is the 1000uF electrochemical capacitor, and Q1-Q4 selects IN4001 for use.

As shown in Figure 3, CM2 is a surround lighting detection module of being made up of photo resistance and controllable silicon etc., its output relay (J1) discharges its contact (U3, U4) disconnection when ambient light illumination reaches certain value, and the power pack of module in subordinate's circuit (CM3 and CM4) and power supply disconnect also and quitting work.Its contact of its output relay (J1) adhesive (U3, U4) is connected when ambient light illumination is lower than set point, the power pack of module in subordinate's circuit (CM3 and CM4) and power turn-on are also in running order, and the brightness value that this module starts can be regulated by its internal regulation potentiometer (RW).RG1 is photo resistance among the figure, and can select bright resistance for use is tens kilo-ohms, and resistance in the dark is the type of several megaohms, and that select for use in this example is MG45-12; It is the miniature relay of DC12V two contacts that relay (J1) can be selected control voltage for use, and 1,2 pin are relay control coil wiring pin, and U3, U4 are relay contact; Q1 is that diode can be selected 1N4004 for use; But VS1 is silicon in unidirectional modern age, and what select for use in this example is the MCR100-8 type.U1 is the zero-power line input of whole module among the figure, and U2 is the power firestreak end of module for this reason.

As shown in Figure 4, the CM3 module is to be Doppler's microwave sounding module of core with microwave sounding module MT5100A, MT5100A is core component in this module, and MT5100A is that a employing high-frequency microwave transducer is in conjunction with the induction detecting module of corresponding signal processing circuit.Potentiometer (RW1 among the figure, 0-10K) the investigative range of be used for regulating microwave module street lamp detection range (radius 2-20 rice) (radius 1-20 rice is adjustable) when mobiles is arranged in the street lamp service area just, CM3 detects in the service area microwave to be changed MT5100A control output end, back (1) and control signal output is arranged and then promote amplifying triode (Q1) and move and cause relay (J2) adhesive, contact (N3, N4) closure, relay (J2) contact (N3, N4) conducting and control subordinate time-delay correcting module and be in the delay working state, be subjected to relay (J) adhesive of time delay module control, its moving contact (G1) is connected with fixed contact (G2), large power road lamp (L1) is lighted, meanwhile the moving contact of (J) (G1) disconnects with fixed contact (G3), small-power street lamp (L2) extinguishes, and in delay time, be maintained at this state, if the microwave signal in the delay time scope in the control range triggers the action of Doppler's microwave sounding module piece again, then time delay module receives a time-delay command again and enters the delay working state that next delay cycle keeps large power road lamp automatically; When having the contact of relay (J2) (N3, the N4) release constantly of microwave triggering signal, environment do not disconnect, the input of time delay module Triggerless, when in the delay time scope still during the Triggerless input delay relay (J) of module controls discharge, its moving contact (G1) is connected with fixed contact (G3), small-power street lamp (L2) is lighted, meanwhile the moving contact of (J) (G1) extinguishes with fixed contact (G2) disconnection large power road lamp (L1), and is maintained at this state in delay time.IC1 selects MT5100A for use in this module; RW1 selects 0-10K high accuracy potentiometer for use; R1 selects 2K for use, and error is less than 15% 1/8W fixed carbon resister; Q1 selects 2SC8050 for use; Q2 selects IN4148 for use; J2 selects that control voltage 12V, coil current 100MA are following for use, error 10% with interior miniature relay.

As shown in Figure 5, CM4 is the time-delay correcting module, C is the time-delay control capacitance of time-delay correcting module (CM4), can adjust each unlatching that triggers the back large power road lamp by the capacity of adjusting C holds time, and then regulate street lamp and transfer the lower powered short period to by high power and change frequent the switching to prevent street lamp because of noise in the illumination coverage, its shortest switching cycle is about 20 minutes when selecting for use capacity to be 33uF in the present embodiment.R1 is 1/4W 1M fixed carbon resister among the figure, and the resistance of this resistance is controlled delay time jointly with time-delay control capacittance (C).Q1 can select 2SC1815 for use in this module, and it is that rectifier diode can be selected 1N4001 for use that Q2 can select 9013, Q3 for use.The X3 of this module, X4 meet N3, the N4 of microwave sounding module (CM3), and X2, X3 succeed the control coil (1,2) of electrical equipment (J), and X1 connects the direct current output negative terminal (P2) of power module (CM1).

Claims

1. the power based on Doppler effect is regulated street lamp automatically, mainly comprise power module, the surround lighting detection module, Doppler's microwave sounding module and time-delay correcting module, the relay output end contact that it is characterized in that the surround lighting detection module is serially connected between the dc power output end of the feeder ear of Doppler's microwave sounding module and power module, simultaneously the relay output end contact of surround lighting detection module also is serially connected between the dc power output end of the feeder ear of time-delay correcting module and power module, the moving contact of relay directly is connected on the mains supply live wire, between two fixed contacts of relay and the civil power zero line respectively string large power road lamp and small-power street lamp are arranged.