CN201947499U

CN201947499U - Intelligent single-phase automatic energy-saving street lamp controller

Info

Publication number: CN201947499U
Application number: CN2010206424368U
Authority: CN
Inventors: 张军礼
Original assignee: LIUAN XINYU ENERGY-SAVING TECHNOLOGY Co Ltd
Current assignee: LIUAN XINYU ENERGY-SAVING TECHNOLOGY Co Ltd
Priority date: 2010-12-03
Filing date: 2010-12-03
Publication date: 2011-08-24
Anticipated expiration: 2020-12-03

Abstract

The utility model discloses an intelligent single-phase automatic energy-saving street lamp controller and aims to provide an intelligent power-saving street lamp controller capable of automatically controlling the on-off time of street lamps, carrying out gradual voltage reduction power supply on the street lamps according to the requirement on illumination at night and gradually reducing the number of the lighted street lamps on the premise of not influencing the normal illumination at night. According to the requirement of more than the minimum voltage of the street lamps for keeping illumination and the actual requirement on illumination of the street lamps at night, the intelligent single-phase automatic energy-saving street lamp controller is provided with a plurality of single-phase automatic coupling compensation transformer series windings and a plurality of paths of street lamp AC contactors, wherein the single-phase automatic coupling compensation transformer series windings are respectively controlled by a zero line AC contactor in a timing mode; and the street lamp AC contactors can switch off power of a plurality of paths of street lamps sequentially in a timing mode. The intelligent single-phase automatic energy-saving street lamp controller is regulated and controlled by an PLC (Programmable Logic Controller) and a time controller, so that the aims that the street lamps are automatically turned on and turned off in a timing mode, a single-phase automatic coupling compensation transformer carries out gradual voltage reduction power supply on the street lamps and the number of the lighted street lamps is gradually reduced are fulfilled. By the intelligent single-phase automatic energy-saving street lamp controller, the electric energy can be saved by 20 percent to 60 percent and the power saving effect is obvious.

Description

The single-phase automatic energy saving controller for road lamp of intelligence

Technical field

The utility model relates to electricity-saving lamp controller field, is specially the single-phase automatic energy saving controller for road lamp of a kind of intelligence.

Background technology

Along with the development of city illumination and Landscape Lighting, the electric power energy consumption problem more and more is subjected to the attention of governments at all levels.Many cities face the situation of power shortage, often street lighting are adopted every small cup and turn off the light or the control mode of evening lamp, though reach certain energy-saving effect, but cause road lighting inhomogeneous, the property out of balance of throwing light on lacks safety guarantee, causes traffic accident easily and brings out the generation of crime.Some city employing economizes methods such as motor, reactive-load compensator, electric ballast and carries out energy-conservation, though also can reach certain energy-saving effect, the voltage on can not the steady illumination light fixture produces Harmonic Interference simultaneously, reduce the useful life of light fixture, increased maintenance cost.Mainly be in the street lamp distribution box, timer to be installed on the control method, making street lamp according to preset time open and close lamp voluntarily.Some Landscape Lamps then use the method for control manually to carry out the open and close lamp usually, owing to lack control device flexibly, thereby be difficult to give full play to due usefulness.These methods can not in time be adjusted the time of open and close lamp, more can't in time reflect the ruuning situation of lighting installation, and failure rate height, maintenance difficult.And along with city's constant development, control range is increasing, and existing control method can't in time reflect the ruuning situation of lighting installation, makes maintenance work very passive.Failure problems in the running has only the tour of wait personnel to reach the spot and could find, perhaps waits for civic phone reflection passively, therefore is difficult to accomplish on-call maintenance.

The utility model content

The purpose of this utility model provides the single-phase automatic energy saving controller for road lamp of a kind of intelligence, with at the deficiencies in the prior art, realize automatically control street lamp voltage, and can need street lamp be carried out progressively step-down power supply and under the prerequisite that does not influence the normal illumination at night, progressively electricity-saving lamp be carried out constant voltage control along with night lighting.

In order to achieve the above object, the technical scheme that the utility model adopted is:

The single-phase automatic energy saving controller for road lamp of intelligence, comprise the single phase poaer supply line, zero-power line, PLC, the single-phase self-coupling compensator transformer, it is characterized in that: the coil that is connected to a plurality of control A.C. contactors between the output of described PLC and the zero-power line, the coil of total A.C. contactor, the coil of multichannel street lamp A.C. contactor, described zero line A.C. contactor has a plurality of normally opened contacts, be connected to voltage control module between described single phase poaer supply line and the zero line, the single phase poaer supply line is connected with the input contact of described total A.C. contactor by mains switch, the output contact of total A.C. contactor is connected with a tapping lead-in wire of described single-phase self-coupling compensator transformer, the secondary winding tap lead of described single-phase self-coupling compensator transformer is connected one by one with the input contact of multichannel street lamp A.C. contactor, the output contact of multichannel street lamp A.C. contactor connects energy-conserving road lamp, described voltage control module is electrically connected one by one with the input contact of multichannel lamp A.C. contactor, be connected to the normally opened contact of each zero line A.C. contactor between the series connection tapping lead-in wire of described single-phase self-coupling compensator transformer and the zero-power line, the input of described PLC is connected to the automatic button switch of each zero line ac contactor coil power supply, PLC also has access to time controller, the power end order phase power line of described time controller.

The single-phase automatic energy saving controller for road lamp of described intelligence, it is characterized in that: the coil that is connected to the bypass A.C. contactor between the output of described PLC and the zero-power line, be connected to the normally opened contact of bypass A.C. contactor between the output contact of total A.C. contactor and the input contact of multichannel street lamp A.C. contactor, the input of described PLC is connected to the control switch of bypass A.C. contactor.

The single-phase automatic energy saving controller for road lamp of described intelligence is characterized in that: be connected to lightning protection device between described single phase poaer supply line and the zero-power line.

In the utility model, the output of mains switch is connected with the input contact of total A.C. contactor, its output contact is connected with a tapping lead-in wire of single-phase self-coupling compensator transformer, and the secondary winding tap lead of single-phase self-coupling compensator transformer is connected with the input contact of multichannel street lamp A.C. contactor; Respectively connecting between tapping lead-in wire and the zero line of single-phase self-coupling compensator transformer, the normally opened contact of each zero line A.C. contactor of correspondence series connection successively; The coil of total A.C. contactor, each road street lamp A.C. contactor and each zero line A.C. contactor is connected on respectively between the output and zero line of PLC; The automatic button switch of each zero line ac contactor coil power supply of the external successively control of the input of PLC; The power supply of PLC is controlled by time controller, the automatic detection of grid voltage of voltage control module, and voltage analog signal delivered PLC, and handle the output of back control voltage by PLC, the power supply of time controller is provided by the single phase poaer supply line.

The utility model is because the employing capacity is big, loss is little, size is little, the low single-phase self-coupling compensator transformer of efficient height and cost is as the neutral point voltage regulating transformer, and according to keep greater than street lamp the illumination minimum voltage requirement and night street lighting actual needs, be provided with a plurality of respectively by the time-controlled single-phase self-coupling compensator transformer of the zero line A.C. contactor series connection winding and the multichannel street lamp A.C. contactor of timing turning off multichannel street lamp power supply, road lamp power supply in succession, by PLC and the adjusted control of time controller, thereby realized that implementation progressively realizes constant voltage power supply and automatic compensating power to street lamp for time switch street lamp and single-phase self-coupling compensator transformer, reaches purpose of saving.Evidence: compare with existing control technology, but its saves energy 20%-60%, power savings is obvious; And it carries out regularly constant voltage power supply and compensating power automatically to street lamp, not only can not produce negative effects such as any Harmonic Interference to electrical network, but also can suitably alleviate transformer load on the circuit, the illuminating effect to night does not have obvious variation and influence generally; Simultaneously, because street lamp is carried out constant voltage power supply and automatic compensating power, so when saving the light fixture power consumption, can also greatly prolong the useful life of light fixture, make prolong 3-4 doubly the useful life of light fixture, relatively also reduced maintenance capacity, reduced the cost of street lamp operation light fixture.In addition, this intelligent energy-saving controller for road lamp is rational in infrastructure, science, advanced person, and easy operating, maintenance, management both can move alone, also can realize Remote, were the desirable control device of present street lamp intelligent energy-saving.

Description of drawings

Fig. 1 is the utility model circuit theory diagrams.

Embodiment

As shown in Figure 1.The single-phase automatic energy saving controller for road lamp of intelligence, comprise single phase poaer supply line R, zero-power line N, PLC, single-phase self-coupling compensator transformer BT, be connected to the coil KM1 ~ KM5 of five zero line A.C. contactors, the coil KM of total A.C. contactor between the output of PLC and the zero-power line N _Always, No. three street lamp A.C. contactors coil KM _L1~ KM _L3Each zero line A.C. contactor has three pairs of normally opened contacts, be connected to voltage control module U between single phase poaer supply line R and the zero line, single phase poaer supply line R is connected with the input contact A of total A.C. contactor by mains switch FQ, the output contact B of total A.C. contactor is connected the input contact C of the secondary winding tap lead of single-phase self-coupling compensator transformer BT and No. three street lamp A.C. contactors with the tapping lead-in wire of single-phase self-coupling compensator transformer BT _L1~ C _L3Connect the output contact D of No. three street lamp A.C. contactors one by one _L1~ D _L3Meet electricity-saving lamp L1 ~ L3, the input contact C of voltage control module U and three street lamp A.C. contactors _L1~ C _L3Be electrically connected one by one, series connection tapping lead-in wire and the zero-power line N of single-phase self-coupling compensator transformer BT is connected to the normally opened contact KM1-1 ~ KM1-5 of each zero line A.C. contactor, the input of PLC is connected to the automatic button K switch 1 ~ K5 of each zero line ac contactor coil KM1 ~ KM5 power supply, PLC also has access to time controller SB, the power end order phase power line R of time controller SB.

Be connected to the coil KM of bypass A.C. contactor between the output of PLC and the zero-power line N _Other, the output contact B of total A.C. contactor and the input contact C of No. three street lamp A.C. contactors _L1~ C _L3Between be connected to the normally opened contact KM of bypass A.C. contactor _Other-1, the input of PLC is connected to the control switch K of bypass A.C. contactor _OtherBe connected to lightning protection device FLQ between single phase poaer supply line R and the zero-power line N.

Mains switch FQ adopts air switch, and voltage control module U gathers real-time line voltage, and the converting analogue amount is exported to PLC then.Single phase poaer supply line R for the civil power input is connected with the input contact A of total A.C. contactor by mains switch FQ, the output contact B of total A.C. contactor goes between with the tapping of single-phase self-coupling compensator transformer BT and is connected, the secondary winding tap lead of single-phase self-coupling compensator transformer respectively with the input contact C of No. three street lamp A.C. contactors _L1~ C _L3Connect.The output contact D of No. three street lamp A.C. contactors _L1~ D _L3Be connected with three gaseous discharge lamps in every street lamp respectively.Every phase winding in the single-phase self-coupling compensator transformer is equipped with five series connection windings, between the tap lead and zero line N of each series connection winding, and normally opened contact separately of five the zero line A.C. contactors of connecting successively.Promptly in the normally opened contact of first to the 5th zero line A.C. contactor, a contact is connected with the tap lead of series connection winding, and another contact is connected with zero line.Each zero line A.C. contactor is equipped with three pairs of normally opened contacts, being connected by same zero line A.C. contactor control in the single-phase winding of single-phase self-coupling compensator transformer between the tap lead of same series connection winding and the zero line.The coil of total A.C. contactor, No. three street lamp A.C. contactors and first to the 5th zero line A.C. contactor is connected on respectively between the output and zero line of PLC.PLC is the FX-2N-32MR of Mitsubishi, the automatic button K switch 1 ~ K5 of external successively control first to the 5th zero line ac contactor coil power supply of its input.PLC can according to keep greater than street lamp the illumination minimum voltage requirement and night street lighting actual needs, first to the 5th zero line the ac contactor coil alternately time of connections/cut-outs and the time that No. three street lamp ac contactor coils cut off in succession successively are set, with the realization transformer progressively step-down power and gradually reduce the purpose of saving of lighting street lamp quantity.The power supply of PLC is by time controller SB control, and time controller SB is provided mutually by one in the mains switch output.

For the needs that guarantee that street lamp throws light on time, between the input contact of the output contact of total A.C. contactor and street lamp A.C. contactor, be in series with the normally opened contact KM of single-phase bypass A.C. contactor _Other-1.The coil KM of single-phase bypass A.C. contactor _OtherBe connected between the output and zero line of PLC, the input of PLC is circumscribed with the single-phase bypass ac contactor coil KM of control _OtherThe hand push button K switch of power supply _OtherIn case the single-phase self-coupling compensator transformer breaks down, as long as closed hand push button K switch _Other, connect single-phase bypass ac contactor coil KM _OtherPower supply, its normally opened contact KM _Other-1 will be closed, directly street lamp is electrically connected with the city, uninterrupted to guarantee street lighting.

Its course of work: closed mains switch FQ, voltage control module U gathers real-time line voltage, and the converting analogue amount is exported to PLC then.Is set time controller SB conduction time, and time controller SB connects the working power of PLC automatically, and total A.C. contactor, the first zero line A.C. contactor and No. three street lamp ac contactor coils are switched on respectively, and its normally opened contact is all closed.The tapping that single phase poaer supply inserts single-phase self-coupling compensator transformer BT respectively goes between, and (this moment, the hand push button switch was in off-state, the coil KM of single-phase bypass A.C. contactor _OtherNo power is so its contact also is in off-state).After single-phase self-coupling compensator transformer BT transformation, respectively from its secondary winding tap lead output, by the output contact D of No. three street lamp A.C. contactors _L1~ D _L3Be connected with No. three street lamps, No. three street lamps are all lighted.

Voltage control module detects line voltage automatically, when city's voltage is higher than the voltage control module set point, voltage module analog quantity output PLC, after the PLC processing, send the pressure regulation instruction and export to control street lamp ac contactor coil, adjust suitable street lamp then and control voltage.

Claims

1. intelligent single-phase automatic energy saving controller for road lamp, comprise the single phase poaer supply line, zero-power line, PLC, the single-phase self-coupling compensator transformer, it is characterized in that: the coil that is connected to a plurality of control A.C. contactors between the output of described PLC and the zero-power line, the coil of total A.C. contactor, the coil of multichannel street lamp A.C. contactor, described zero line A.C. contactor has a plurality of normally opened contacts, be connected to voltage control module between described single phase poaer supply line and the zero line, the single phase poaer supply line is connected with the input contact of described total A.C. contactor by mains switch, the output contact of total A.C. contactor is connected with a tapping lead-in wire of described single-phase self-coupling compensator transformer, the secondary winding tap lead of described single-phase self-coupling compensator transformer is connected one by one with the input contact of multichannel street lamp A.C. contactor, the output contact of multichannel street lamp A.C. contactor connects electricity-saving lamp, described voltage control module is electrically connected one by one with the input contact of multichannel lamp A.C. contactor, be connected to the normally opened contact of each zero line A.C. contactor between the series connection tapping lead-in wire of described single-phase self-coupling compensator transformer and the zero-power line, the input of described PLC is connected to the automatic button switch of each zero line ac contactor coil power supply, PLC also has access to time controller, the power end order phase power line of described time controller.

2. the single-phase automatic energy saving controller for road lamp of intelligence according to claim 1, it is characterized in that: the coil that is connected to the bypass A.C. contactor between the output of described PLC and the zero-power line, be connected to the normally opened contact of bypass A.C. contactor between the output contact of total A.C. contactor and the input contact of multichannel street lamp A.C. contactor, the input of described PLC is connected to the control switch of bypass A.C. contactor.

3. the single-phase automatic energy saving controller for road lamp of intelligence according to claim 1 is characterized in that: be connected to lightning protection device between described single phase poaer supply line and the zero-power line.