CN209562862U - Illuminating street lamp - Google Patents

Abstract

The utility model relates to field of illuminating lamps, it is intended to provide illuminating street lamp, its key points of the technical solution are that including the light bulb VD6 to set within it, the light bulb VD6 is connected with the first switch part for controlling its work, the first switch part is controlled through control unit, two input terminals of described control unit are connected separately with the audio control unit for detecting voice signal and the optical control element for detecting light intensity, the first switch part is connected with the first power circuit for controlling the street lamp work, first power circuit is parallel with the second switch part for controlling the light bulb VD6 work, the second switch part is connected with the second power circuit of the real work power for reducing the light bulb VD6.The utility model is suitable for city illumination.

Description

Illuminating street lamp

Technical field

The utility model relates to field of illuminating lamps, more specifically, it relates to illuminating street lamp.

Background technique

Various public transit facilities, water supply, draining, combustion gas, urban flood defence, environmental sanitation and illumination in urban construction etc. The matched various public infrastructure developments of urban life, belong to municipal works, this is that city survival and development are essential Material base, be the primary condition uplifted the people's living standard and opened to the outside world.

In the moulding of city illumination, light is essential, and especially night road lighting and nightscape lighting are closely bound up, Light provides required indispensable function for night space environment, and drills light means to city nighttime landscape ring by various high-tech Border carries out secondary aesthetic creation, provides the artificial light of necessary, comfortable leisure, amusement, shopping and contacts for citizen's night life Environment, with the rapid development of China's urban construction, city size constantly expands, and the street lamp quantity in city is doubled and redoubled, street lamp Moulding is multifarious, emerges one after another.

The road lighting urban operating mechanism one of most as density maximum, quantity in city, not only increases night environment Quality, and beautified city image, meanwhile, the urban economy activity time increases, and promotes tourism and consumption, drives city warp Ji is flourishing.

But at night, because transformer load is light, voltage is increased, and street lamp can brighten, so that the actual power of street lamp increases Greatly, the electricity loss of street lamp is increased, the cost of electric energy increases.

Utility model content

The purpose of the utility model is to provide illuminating street lamp, pass through audio control unit and optical control element co- controlling street lamp It illuminates, and the voltage of bulb side can be reduced when the voltage of night transformer increases, to avoid the voltage because of night transformer The actual power for increasing street lamp is increased, electric energy is saved.

The above-mentioned technical purpose of the utility model has the technical scheme that illuminating street lamp, including sets The light bulb VD6, the light bulb VD6 set in it is connected with the first switch part for controlling its work, and the first switch part is through controlling Two input terminals of unit control processed, described control unit are connected separately with the audio control unit for detecting voice signal and are used for The optical control element of light intensity is detected, the first switch part is connected with the first power circuit for controlling the street lamp work, institute It states the first power circuit and is parallel with the second switch part for controlling the light bulb VD6 work, the second switch part, which is connected with, to be used for Reduce the second power circuit of the real work power of the light bulb VD6.

By using above-mentioned technical proposal, audio control unit voice signal is monitored and with the preset value in control unit It is compared, optical control element is monitored light intensity, and control unit receives voice signal and light intensity signal, works as someone Or when other objects are current and light intensity is lower than the preset value in control unit, control unit is exported to first switch part and is controlled Signal processed, the conducting of the first power circuit, the light bulb VD6 of street lamp start to illuminate, meanwhile, the second power circuit is to the both ends light bulb VD6 Voltage be monitored, when the preset value is exceeded, the second power circuit conducting, second switch part closure, to reduce light bulb VD6 two The voltage at end, and then the real work power of light bulb VD6 reduces, and the voltage because of night transformer is avoided to increase the reality for causing street lamp The case where border power increases occurs, and saves electric energy.

Preferably, the audio control unit includes microphone MIC, resistance R1, resistance R2, capacitor C1 and transistor VT1, the words Cylinder one end MIC is connected with power supply VCC1 through the resistance R1, and the emitter of other end ground connection, the transistor VT1 is grounded, described One end of capacitor C1 is set between the microphone MIC and the resistance R1, and the other end is connect with the base stage of transistor VT1, institute It states the one end resistance R2 to be connected between power supply VCC1 and resistance R1, the other end is connect with the base stage of transistor VT1, the transistor The input terminal of the collector connection described control unit of VT1.

By using above-mentioned technical proposal, power supply VCC1 provides bias current through resistance R1 for microphone MIC, so that microphone The acoustic signals received can be converted to corresponding electric signal by MIC, then electric signal is passed after the filter action of capacitor C1 It send to the base stage of transistor VT1, transistor VT1 conducting amplifies electric signal, to improve the sensitivity of microphone MIC, acoustic control Unit is more accurate to the monitoring of voice signal.

Preferably, the optical control element includes photo resistance RL, resistance R3, capacitor C2 and first voltage comparator, described One end of photo resistance RL is connected with power supply VCC2 through the resistance R3, other end ground connection, the first voltage comparator it is defeated Enter end to be connected between the resistance R3 and the photo resistance RL, the input terminal of the first voltage comparator is through the capacitor C2 ground connection, the input terminal of the output end connection described control unit of the first voltage comparator.

By using above-mentioned technical proposal, power supply VCC2 provides reference voltage, light through resistance R3 for first voltage comparator Quick resistance RL receives illumination and certain resistance value is presented, and converts optical signals to electric signal, then partial pressure of connecting with R3, is first voltage Comparator provides comparison voltage, and when comparison voltage is greater than reference voltage, first voltage comparator exports high level, so that control Unit movement, and then not will cause waste of energy when light intensity is stronger.

Preferably, described control unit is single-chip microcontroller STC12C5A60S2.

By using above-mentioned technical proposal, audio control unit and optical control element are controlled using single-chip microcontroller STC12C5A60S2 System, is connected street lamp in the lower situation of close and light intensity in someone by writing program, and control function is powerful, cost It is low, integrated level is high, small in size, good reliability, low-power consumption.

Preferably, the first switch part includes time relay KT1 and the crystalline substance for controlling time relay KT1 movement The delay of body pipe VT2, the time relay KT1 disconnect normally opened contact KT1-1 and are connected to first power circuit, the crystalline substance Body pipe VT2 is between the time relay KT1 and the output end of the single-chip microcontroller STC12C5A60S2, the single-chip microcontroller STC12C5A60S2 controls the transistor VT2 work.

By using above-mentioned technical proposal, control unit output control signal indirectly controls so that transistor VT2 is connected Time relay KT1 work, further, delay disconnects normally opened contact KT1-1 and is attracted, and the first power circuit is connected, and opens road Lamp.

Preferably, first power circuit includes the capacitor C4 for the firewire that one end is connected to alternating current, and the other end is connected with The bridge rectifier being made of diode VD1, diode VD2, diode VD3 and diode VD4, the capacitor C4 are in parallel There is resistance R7, capacitor C5 is connected between the positive output end and negative sense output end of the bridge rectifier, the delay is disconnected The one end for opening normally opened contact KT1-1 is connected to the positive output end of the bridge rectifier, and the other end is connect with light bulb VD6, One end of the light bulb VD6 and the zero curve of alternating current connect.

By using above-mentioned technical proposal, alternating current flows through capacitor C4 and resistance R7, to play the role of being depressured current limliting, bridge-type Alternating current is become direct current by rectification circuit, to provide operating voltage, output of the capacitor C5 in bridge rectifier for light bulb VD6 When voltage changes, the voltage of rectification circuit output relative smooth is made using the principle that its both end voltage cannot be mutated, is being prolonged When disconnecting normally opened contact KT1-1 and being attracted, the conducting of the first power circuit, light bulb VD6 starts to illuminate.

Preferably, the second switch part includes second voltage comparator and time relay KT2, the second voltage ratio The positive output end of the bridge rectifier is connected to through resistance R11 compared with the non-inverting input terminal of device, the second voltage compares The non-inverting input terminal of device is grounded through resistance R12, and the inverting input terminal of the second voltage comparator connects through resistance R9 and resistance R8 It is connected to power supply VCC6, the inverting input terminal of the second voltage comparator is grounded through resistance R10, the second voltage comparator The transistor VT4 for controlling time relay KT2 work is provided between output end and the time relay KT2, it is described Second voltage comparator controls the transistor VT4 work, and the delay of the time relay KT2 disconnects normally opened contact KT2-1 It is connected to second power circuit.

By using above-mentioned technical proposal, the inverting input terminal of second voltage comparator is connected with through resistance R9 and resistance R8 Power supply VCC6, for use as reference voltage, output end of the non-inverting input terminal of second voltage comparator through resistance R11 and rectification circuit Connection, for use as comparison voltage, when comparison voltage is greater than reference voltage, transistor VT4 conducting, to control the time relay KT2 movement, and then be delayed and disconnect normally opened contact KT2-1 actuation, the second power circuit conducting, to reduce the practical work of light bulb VD6 The rate of doing work.

Preferably, second power circuit includes transistor VT5, and the base stage of the transistor VT5 is connected through resistance R13 Normally opened contact KT2-1 is disconnected in the delay, the other end that the delay disconnects normally opened contact KT2-1 is connected to capacitor C5, institute It states resistance R13 to be grounded through resistance R14, the emitter ground connection of the transistor VT5, the collector of the transistor VT5 is connected to The delay disconnects between the normally opened contact KT1-1 and light bulb VD6.

By using above-mentioned technical proposal, when delay, which disconnects normally opened contact KT2-1, to be attracted, transistor VT5 conducting, to rise To the effect of shunting, reduce the voltage at the both ends capacitor C5, so that the real work power of light bulb VD6 reduces.

In conclusion the utility model has the following beneficial effects: when someone or other objects passage and light intensity When lower than preset value in control unit, control unit exports control signal, the conducting of the first power circuit, road to first switch part Lamp starts to illuminate；Second voltage comparator is monitored the voltage at the both ends light bulb VD6, when second voltage comparator homophase input When the voltage at end is higher than the voltage of the reverse input end of second voltage comparator, transistor VT4 conducting, and then the time relay KT2 movement, delay disconnect normally opened contact KT2-1 and are attracted, the conducting of the second power circuit, and the work of shunting is played in transistor VT5 conducting With to reduce the real work power of light bulb VD6, and then when the voltage of night transformer increases, the voltage of bulb side subtracts It is small, to avoid the actual power for increasing street lamp because of the raising of the voltage of night transformer, achieve the effect that save electric energy.

Detailed description of the invention

Fig. 1 is the circuit connection diagram of illuminating street lamp.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

It referring to Fig.1, is illuminating street lamp disclosed by the utility model, including the light bulb VD6 to set within it, light bulb VD6 is LED light, light bulb VD6 are connected with first switch part, and first switch part is connected with control unit, two input terminals point of control unit It is not connected with audio control unit and optical control element, the opening and closing of audio control unit and optical control element co- controlling switch block, control unit Output end connect with first switch part, the delay of first switch part disconnects normally opened contact and is connected with the first power circuit.

For audio control unit for detecting voice signal, audio control unit includes microphone MIC, resistance R1, resistance R2, capacitor C1 and crystalline substance Body pipe VT1, the one end microphone MIC are connected with power supply VCC1 through resistance R1, and one end of other end ground connection, capacitor C1 is arranged in microphone Between MIC and resistance R1, the other end is connect with the base stage of transistor VT1, one end connection resistance R1 and power supply VCC1 of resistance R2 Between, the other end is connect with the base stage of transistor VT1, the emitter ground connection of transistor VT1, the collector connection of transistor VT1 The input terminal of control unit, and then acoustic signals are converted to electric signal by microphone MIC, transistor VT1 amplifies electric signal, So that street lamp not will cause waste of energy in the case where no people or object is current.

For optical control element for detecting light intensity, optical control element includes photo resistance RL, resistance R3, capacitor C2, capacitor C3 Electricity is connected with through resistance R3 with one end of first voltage comparator, the model LM393 of first voltage comparator, photo resistance RL Source VCC2, other end ground connection, the input terminal of first voltage comparator are connected between photo resistance RL and resistance R3, meanwhile, the The input terminal of one voltage comparator is grounded through capacitor C2, and one end of first voltage comparator is circumscribed with power supply VCC3, power supply VCC3 One end be grounded through capacitor C3, the output end connection control of one end of first voltage comparator ground connection, first voltage comparator is single Member, and then photo resistance RL connects with resistance R3 and generates comparison voltage, carries out with the preset reference voltage of first voltage comparator Compare, when comparison voltage is greater than preset reference voltage, first voltage comparator exports high level, dynamic to control control unit Make, and then street lamp not will cause waste of energy when light intensity is stronger.

Control unit is single-chip microcontroller STC12C5A60S2, the P1.0 pin and transistor VT1 of single-chip microcontroller STC12C5A60S2 Collector connection, the P1.1 pin of single-chip microcontroller STC12C5A60S2 connect with the output end of first voltage comparator, single-chip microcontroller The P3.6 pin of STC12C5A60S2 is connect with first switch part.

First switch part includes time relay KT1 and the transistor VT2 for controlling time relay KT1 work, list P3.6 pin one end of piece machine STC12C5A60S2 is connected with power supply VCC4, other end ground connection, resistance R4 and power supply through resistance R4 Resistance R5 is provided between VCC4, the one end resistance R5 between resistance R4 and power supply VCC4, the other end with transistor VT2's Base stage connection is parallel with resistance R6, the emitter ground connection of transistor VT2, the current collection of transistor VT2 between resistance R4 and resistance R5 Pole is connected with power supply VCC5 through time relay KT1, and the delay of time relay KT1 disconnects normally opened contact KT1-1 and is connected to the One power circuit, and then single-chip microcontroller STC12C5A60S2 indirectly controls time relay KT1 by transistor VT2 and works.

First power circuit includes the capacitor C4 for the firewire that one end is connected to alternating current, the other end be connected with by diode VD1, The bridge rectifier of diode VD2, diode VD3 and diode VD4 composition, the electric current forward direction of alternating current flow through diode VD1 With diode VD4, the electric current of alternating current reversely flows through diode VD2 and diode VD3, for rectifying, alternating current is become straight Galvanic electricity, capacitor C4 are parallel with resistance R7, play the role of being depressured current limliting, positive output end and the negative sense output of bridge rectifier Capacitor C5 is connected between end, one end that delay disconnects normally opened contact KT1-1 is connected to the positive output end of bridge rectifier, The other end is connect with light bulb VD6, and one end of light bulb VD6 and the zero curve of alternating current connect.

The second switch part of control light bulb VD6 work is parallel in first power circuit, second switch part, which is connected with, to be used for Reduce the second power circuit of the real work power of light bulb VD6.

Second switch part includes second voltage comparator and time relay KT2, the homophase input of second voltage comparator End is connected to the positive output end of bridge rectifier through resistance R11, and the non-inverting input terminal of second voltage comparator is through resistance R12 Ground connection, the inverting input terminal of second voltage comparator are connected with power supply VCC6, second voltage comparator through resistance R9 and resistance R8 Inverting input terminal be grounded through resistance R10, be provided with and be used between the output end and time relay KT2 of second voltage comparator Control the transistor VT4 of time relay KT2 work, the base stage of transistor VT4 and the inverse output terminal of second voltage comparator Connection, the emitter ground connection of transistor VT4, the collector of transistor VT4 are connected with power supply VCC7 through time relay KT2.

The both ends of time relay KT2 are parallel with freewheeling diode VD5, are played with opening moment at the end time relay KT2 The effect of protection prevents time relay KT2 from burning out.

It is grounded between resistance R9 and resistance R8 through zener diode LM385-2.5, when backward voltage is greater than zener diode When the breakdown voltage of LM385-2.5, zener diode LM385-2.5 conducting to play stable DC voltage, makes circuit work Make in suitable state, and limits the operating current in circuit.

Second power circuit includes transistor VT5, and it is normally opened that the base stage of transistor VT5 is connected to the disconnection that is delayed through resistance R13 Contact KT2-1, delay disconnect the positive output end that normally opened contact KT2-1 is connected to bridge rectifier, the base stage of transistor VT5 It is grounded through resistance R14, the emitter ground connection of transistor VT5, the collector of transistor VT5 is connected to delay and disconnects normally opened contact Between KT1-1 and light bulb VD6.

The implementation principle of the present embodiment are as follows: microphone MIC picks up voice signal, acoustical signal is converted to electric signal, through crystal Pipe VT1 simultaneously amplifies electric signal, in input control unit.

Meanwhile photo resistance RL receives illumination, converts optical signals to electric signal, sets with first voltage comparator LM393 The reference voltage set is compared, and when result is greater than reference voltage, first voltage comparator LM393 exports high level, input In control unit.

Preset value is set in control unit, it will be from audio control unit received signal compared with preset value.

When the signal value of audio control unit is greater than preset value and first voltage comparator output high level, control unit is to the One switch member output control signal, time relay KT1 movement, time relay KT1 are logical in response to the control first of control signal Electrical circuit conducting, light bulb VD6 shine, and street lamp is started to work.

Meanwhile second voltage comparator is monitored the voltage at the both ends light bulb VD6, when the voltage at night transformer both ends When the voltage of raising and the noninverting input of second voltage comparator is greater than the voltage of the reverse input end of second voltage comparator, Time relay KT2 movement, control the second power circuit conducting, and then transistor VT5 is connected, and plays the role of shunting, to subtract The voltage at the both ends small bulbs VD6, and then the actual power at the both ends light bulb VD6 reduces, and achievees the effect that save electric energy.

The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical Within novel protection scope.

Claims (8)

1. illuminating street lamp, it is characterized in that: including the light bulb VD6 to set within it, the light bulb VD6, which is connected with, controls its work First switch part, the first switch part are controlled through control unit, and two input terminals of described control unit are separately connected useful Control is connected in the audio control unit and optical control element for detecting light intensity, the first switch part of detection voice signal First power circuit of the street lamp work, first power circuit are parallel with the control light bulb VD6 works second and open Part is closed, the second switch part is connected with the second power circuit of the real work power for reducing the light bulb VD6.

2. illuminating street lamp according to claim 1, it is characterized in that: the audio control unit includes microphone MIC, resistance R1, electricity R2, capacitor C1 and transistor VT1 are hindered, the one end the microphone MIC is connected with power supply VCC1 through the resistance R1, and the other end is grounded, The emitter of the transistor VT1 is grounded, and one end of the capacitor C1 is set between the microphone MIC and the resistance R1, The other end is connect with the base stage of transistor VT1, and the one end the resistance R2 is connected between power supply VCC1 and resistance R1, the other end with The base stage of transistor VT1 connects, the input terminal of the collector connection described control unit of the transistor VT1.

3. illuminating street lamp according to claim 1, it is characterized in that: the optical control element include photo resistance RL, resistance R3, One end of capacitor C2 and first voltage comparator, the photo resistance RL is connected with power supply VCC2, the other end through the resistance R3 Ground connection, the input terminal of the first voltage comparator are connected between the resistance R3 and the photo resistance RL, and described first The input terminal of voltage comparator is grounded through the capacitor C2, and the output end of the first voltage comparator connects described control unit Input terminal.

4. illuminating street lamp according to claim 1, it is characterized in that: described control unit is single-chip microcontroller STC12C5A60S2.

5. illuminating street lamp according to claim 4, it is characterized in that: the first switch part include time relay KT1 and Delay for controlling the transistor VT2, the time relay KT1 of time relay KT1 movement disconnects normally opened contact KT1-1 It is connected to first power circuit, the transistor VT2 is located at the time relay KT1 and the single-chip microcontroller Between the output end of STC12C5A60S2, the single-chip microcontroller STC12C5A60S2 controls the transistor VT2 work.

6. illuminating street lamp according to claim 5, it is characterized in that: first power circuit includes that one end is connected to alternating current Firewire capacitor C4, the other end, which is connected with, to be made of diode VD1, diode VD2, diode VD3 and diode VD4 Bridge rectifier, the capacitor C4 are parallel with resistance R7, the positive output end and negative sense output end of the bridge rectifier Between be connected with capacitor C5, one end that the delay disconnects normally opened contact KT1-1 is connected to the forward direction of the bridge rectifier Output end, the other end are connect with light bulb VD6, and one end of the light bulb VD6 and the zero curve of alternating current connect.

7. illuminating street lamp according to claim 6, it is characterized in that: the second switch part include second voltage comparator and Time relay KT2, the non-inverting input terminal of the second voltage comparator are connected to the bridge rectifier through resistance R11 The non-inverting input terminal of positive output end, the second voltage comparator is grounded through resistance R12, the second voltage comparator it is anti- Phase input terminal is connected with power supply VCC6 through resistance R9 and resistance R8, and the inverting input terminal of the second voltage comparator is through resistance R10 ground connection, be provided between the output end of the second voltage comparator and the time relay KT2 for control the time after The transistor VT4 of electric appliance KT2 work, the second voltage comparator control the transistor VT4 work, the time relay The delay of KT2 disconnects normally opened contact KT2-1 and is connected to second power circuit.

8. illuminating street lamp according to claim 7, it is characterized in that: second power circuit includes transistor VT5, it is described The base stage of transistor VT5 is connected to the delay through resistance R13 and disconnects normally opened contact KT2-1, and the delay disconnects normally opened contact The other end of KT2-1 is connected to capacitor C5, and the resistance R13 is grounded through resistance R14, the emitter ground connection of the transistor VT5, The collector of the transistor VT5 is connected to the delay and disconnects between the normally opened contact KT1-1 and light bulb VD6.