CN103037596B - Intelligent electricity-saving control device for street lamp - Google Patents
Intelligent electricity-saving control device for street lamp Download PDFInfo
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- CN103037596B CN103037596B CN201310003437.6A CN201310003437A CN103037596B CN 103037596 B CN103037596 B CN 103037596B CN 201310003437 A CN201310003437 A CN 201310003437A CN 103037596 B CN103037596 B CN 103037596B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention discloses an intelligent electricity-saving control device for a street lamp, which comprises a main circuit, a voltage signal sampling circuit, a current signal sampling circuit, a street lamp startup mode control circuit, a microcomputer time control switch control circuit, a direct-current voltage-stabilizing circuit, an electricity-saving gear conversion circuit, an overcurrent judgment and conversion circuit, a time control and automatic control conversion selection circuit and a function conversion driving circuit. The intelligent electricity-saving control device has the beneficial effects that not only can the lighting requirements of the street lamp be satisfied, but also the effects of filtering clutters, optimizing and adjusting power supply parameters, improving the electricity consumption efficiency and reducing the surplus or redundant electric energy can be realized; under the condition of ensuring that the street lamp normally works, the electric energy is saved through a time control or automatic control mode to a maximal degree, so that the expenditure of electric charge is reduced; and the electricity saving rate is controlled within the scope of 15-40 percent; and meanwhile, the intelligent electricity-saving control device also has the protection functions of restraining transient overpressure, surge current, short circuit, overload, overcurrent and the like, and the service life of the street lamp can be prolonged by above two times, so that the expenditure of maintenance expenses or replacement expenses is reduced.
Description
Technical field
The present invention relates to a kind of control circuit, relate in particular to a kind of for controlling the intelligent control circuit of electricity saving of road lamp operation.
Background technology
The development of China's city illumination grows out of nothing, from less to more, by the road lighting of simple function, develop into an important step that becomes each big city urban construction today, wherein Landscape Lighting lighting engineering is being played the part of important role in city.Along with deepening continuously of city lighting engineering, the series of problems that traditional street lamp and electric power system thereof exist is more aobvious outstanding, in street lamp power supply, road lamp power supply course of conveying, voltage loss for fear of supply line, conventionally the low-pressure side output voltage of distribution transformer will transport with higher voltage and guarantee that the operating voltage of light fixture reaches rated voltage, secondly, due to mains supply system loading minimizing after midnight, electric power system line voltage can significantly go up, sometimes even approach 245V, therefore the voltage that bears of light fixture reality in most cases can be higher than the rated operational voltage of light fixture, and, in the light fixture course of work, too high operating voltage can make light fixture heating excessively, damage even too early, produce unnecessary electricity charge spending simultaneously, China big and medium-sized cities are after 12 of midnights according to investigations, almost empty on road, even if Beijing, Shanghai, the bustling city that Guangzhou is such, after 2:00 AM, also rare pedestrian on road, nearly urban district small hours people and vehicle are very rare, from this period until early morning 6 street lamps extinguish, on the road of the low magnitude of traffic flow, still keep higher illuminance obviously to there is no need, caused very large waste.In country, advocate today of energy-saving and emission-reduction, the economical method that the street lamp that the city of the domestic overwhelming majority and area have almost coincidentally adopted developed country just to abandon at the seventies is turned off the light every small cup, disadvantage is wherein self-evident---not only caused road illumination skewness, buried hidden danger to public security and traffic safety, and the impairment of the rising that can not avoid line voltage after midnight to the street lamp life-span, therefore can not be referred to as truly energy-conservation.Since the nearly more than ten years, city nightscape lighting turns the important step that urban operating mechanism is built into, and corresponding achievement has also been obtained in various places, when government advocates energy-saving and emission-reduction development green low-carbon economy and sets up nightscape lighting, has formed very large contradiction.Take coastal certain open city is example, and large quantities of street lamps are under the pressure of the pressure of financial strain after installation, and heavy illumination electricity charge spending beyond one's means, has to again to turn off nearly half lamp, and the result in recent years part street lamp of new clothes forms ornaments, causes covert waste.Therefore, the Technological Improvement of Energy-Saving Techniques of street lamp has been imperative.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of intelligent road lamp electricity-saving control device, this device not only can meet the lighting demand of street lamp, can filtering clutter aspect economize on electricity, optimize and revise power supply parameter, improve power supply quality, reduce unnecessary electric energy loss, improve system power factor etc.; Protection road lamp aspect can over-voltage suppression, overcurrent, short circuit, overload, the protection such as overheated; The advanced utility functions such as fault alarm indication aspect can overcurrent, overload, overload auto by pass.
For solving the problems of the technologies described above, technical scheme of the present invention is: intelligent road lamp electricity-saving control device, comprise the main circuit being connected with electrical network, the output of described main circuit is parallel with voltage signal sampling circuit, current signal sampling circuit, street lamp start-up mode control circuit, microcomputer time-controlled switch control circuit and direct current regulation circuit, the output of described voltage signal sampling circuit is electrically connected with economize on electricity gear change-over circuit, the output of described current signal sampling circuit is electrically connected with overcurrent judgement and change-over circuit, the output of described street lamp start-up mode control circuit is electrically connected with time control and circuit is selected in automatic control conversion, the output of described microcomputer time-controlled switch control circuit is electrically connected with function conversion driving circuit, described function conversion driving circuit is electrically connected to described main circuit, the output of described microcomputer time-controlled switch control circuit is also electrically connected to respectively described economize on electricity gear change-over circuit and described time control and automatic control conversion and selects circuit, and described economize on electricity gear change-over circuit and the judgement of described overcurrent and change-over circuit are electrically connected to respectively described function conversion driving circuit, the output of described direct current regulation circuit is electrically connected to respectively described economize on electricity gear change-over circuit, described overcurrent judgement and change-over circuit, circuit and described street lamp start-up mode control circuit are selected in described time control and automatic control conversion.
As preferred technical scheme, described main circuit comprises the splicing ear R that connects power network line, S, T, N, described splicing ear R, S, on the outlet line of T, be connected with air switch QF, the output of described air switch QF is electrically connected with the main contact of contactor KM1, between described air switch QF and the input of described contactor KM1 main contact, be serially connected with current transformer TA, output at described contactor KM1 main contact is serially connected with electromagnetic voltage adjusting transformer TB, described electromagnetic voltage adjusting transformer TB two ends are parallel with the main contact of bypass contactor KM2, the output of described electromagnetic voltage adjusting transformer TB is provided with lead-out terminal U, V and W, on the auxiliary winding of described electromagnetic voltage adjusting transformer TB, be electrically connected with respectively contactor KM4, the main contact of contactor KM5 and contactor KM6, described contactor KM4, the main contact of contactor KM5 and contactor KM6 is electrically connected with the main contact of contactor KM3, the output of the dynamic circuit connector main contact of described contactor KM3 is connected with public zero curve.
As preferred technical scheme, described voltage signal sampling circuit comprises rectifier diode D1, the output of described rectifier diode D1 is serially connected with resistance R 1, resistance R 2 successively, the output of described resistance R 2 is electrically connected to described economize on electricity gear change-over circuit, the output of described resistance R 1 is connected to common by rectifier diode D2, and the output of described resistance R 2 is connected described common by the parallel circuits of voltage stabilizing didoe DW1 and capacitor C 1.
As preferred technical scheme, described economize on electricity gear change-over circuit comprises the adjustable resistance RP1 that is connected in parallel on described resistance R 2 outputs, adjustable resistance RP2 and relay K A4 break contact, the output contact resistance R3 of described adjustable resistance RP1, the input of the adjustable end contact resistance R4 of described adjustable resistance RP1, the other end of described resistance R 4 connects 3 pin of integrated circuit (IC) 2A1, one end of resistance R 6 and capacitor C 2, the output of described resistance R 6, the other end of the output of capacitor C 2 and described relay K A4 break contact is connected with common, one end of the 2 pin contact resistance R5 of described integrated circuit (IC) 2A1, the other end of described resistance R 5 and resistance R 9, one end of resistance R 13 is connected with the negative pole of voltage stabilizing didoe DW20, one end of the other end of described resistance R 9 and relay K A5 make contact is connected with described direct current regulation circuit respectively, the other end of described resistance R 6 connects 1 pin of described integrated circuit (IC) 2A1 and one end of resistance R 7, the base stage of one end connecting triode VT1 that described resistance R 7 is another, the emitter of described triode VT1 connects one end of relay K A6 make contact, and be connected with common, the emitter of the collector electrode connecting triode VT2 of described triode VT1, one end of the base stage contact resistance R8 of described triode VT2, the other end of described resistance R 8 connects the other end of described relay K A5 make contact, one end of one end of resistance R 17 and resistance R 18, the collector electrode of described triode VT2 connects the other end of described relay K A6 make contact, the negative pole of resistance R 11 capacitor C 3, the anode of one end of described relay K A1 coil and diode D3, the negative pole of the other end connecting luminous diode LED2 of described resistance R 11, the positive pole of the positive pole of described LED 2 and capacitor C 3, the other end of described relay K A1, the negative electrode of diode D3 is connected with described direct current regulation circuit respectively, one end of the other end contact resistance R14 of described adjustable resistance RP2, one end of the adjustable end contact resistance R12 of described adjustable resistance RP2, the other end of described resistance R 12 connects 5 pin of described integrated circuit (IC) 2A2, one end of resistance R 15 and capacitor C 5, the other end of described resistance R 14 and described capacitor C 5 is connected with common port, one end of the 6 pin contact resistance R13 of described integrated circuit (IC) 2A2, the other end of described resistance R 13 and resistance R 9, the negative pole of voltage stabilizing didoe DW2 is connected, the other end of described resistance R 15 connects 7 pin of described integrated circuit (IC) 2A2 and one end of resistance R 16, the base stage of the other end connecting triode VT3 of described resistance R 16, the emitter of described triode VT3 connects one end of relay K A7 make contact and is connected with common port, the emitter of the collector electrode connecting triode VT4 of described triode VT3, one end of the base stage contact resistance R18 of described triode VT4, the other end of described resistance R 8 connects the other end of relay K A5 make contact, one end of resistance R 17 and resistance R 18, the collector electrode of described triode VT4 connects the other end of described relay K A7 make contact, resistance R 19, the negative pole of capacitor C 4, the anode of one end of relay K A2 coil and diode D4, the negative pole of the other end connecting luminous diode LED3 of described resistance R 19, the positive pole of the positive pole of described LED 3 and capacitor C 4, the other end of described relay K A2 coil, the negative electrode of described diode D4 is connected with described direct current regulation circuit respectively, one end of resistance R 10 connects common port, the negative pole of the other end connecting luminous diode LED1 of described resistance R 10, and the positive pole of described LED 1 is connected with described direct current regulation circuit.
As preferred technical scheme, described current signal sampling circuit comprises the signal amplifying transformer T1 that is connected electrically in current transformer TA output, the two ends of described signal amplifying transformer T1 are parallel with resistance R 42 and adjustable resistance PR3, described resistance R 42 is connected common with adjustable resistance PR3 simultaneously, the moving contact of described adjustable resistance PR3 is electrically connected to the anode of diode D5, described diode D5 the input of negative electrode contact resistance R20, the output of described resistance R 20 is connected to the negative electrode of diode D6 and the input of resistance R 21, the output of described resistance R 21 connects described overcurrent judgement and change-over circuit, and the output of described resistance R 21 is by the parallel circuits ground connection of capacitor C 6 and voltage stabilizing didoe DW3, the minus earth of diode D6 simultaneously.
As preferred technical scheme, described overcurrent judgement and change-over circuit comprise the adjustable resistance RP4 that input is connected with the output of described resistance R 21, the output head grounding of described adjustable resistance RP4, the moving contact contact resistance R22 of described adjustable resistance RP4, the other end of described resistance R 22 connects the input of capacitor C 7, 10 pin of the input of resistance R 25 and integrated circuit (IC) 2A3, one end of the 9 pin contact resistance R23 of described integrated circuit (IC) 2A3, one end of the other end contact resistance R24 of described resistance R 23, the anode of diode D7, the negative electrode of described diode D7 connects the other end of described capacitor C 7 and the other end of described adjustable resistance RP4, and be connected with common port, the other end of described resistance R 24 is electrically connected to described direct current regulation circuit, the other end of resistance R 25 connects 8 pin and the resistance R 26 of described integrated circuit (IC) 2A3, one end of resistance R 28 and resistance R 29, the other end of described resistance R 26 connects the positive pole of capacitor C 8 and one end of R27, the positive pole of the other end connecting luminous diode LED4 of described resistance R 28, the base stage of the other end connecting triode VT5 of described resistance R 27, the emitter of described triode VT5 connects the negative pole of described capacitor C 8 and the negative pole of described LED 4, and be connected with common port, the collector electrode of described triode VT5 connects the anode of diode D8 and one end of relay K A3 coil, the base stage of the other end connecting triode VT6 of described resistance R 29, the emitter of described triode VT6 connects common port, one end of the collector electrode contact resistance R30 of described triode VT6, the other end of described resistance R 30 connects the negative pole of buzzer BL, the positive pole of buzzer BL is connected described direct current regulation circuit with the negative electrode of described diode D8 and the other end of described relay K A3 coil.
As preferred technical scheme, described street lamp start-up mode control circuit comprises the resistance R 32 being connected with one end of described contactor KM1 dynamic circuit connector auxiliary contact, the other end of described resistance R 32 connects the anode of diode D13, the negative electrode of described diode D13 connects the negative electrode of diode D14, the positive pole of capacitor C 11, 1 pin of the negative pole of voltage stabilizing didoe DW3 and integrated circuit (IC) 3A4, the positive pole anodal and described C11 of 2 pin of described integrated circuit (IC) 3A4 and described diode D14 is connected with common port, one end of the 6 pin contact resistance R31 of described integrated circuit (IC) 3A4, the other end of described resistance R 31 is connected with common port, 5 pin of described integrated circuit (IC) 3 connect described direct current regulation circuit, 4 pin of described integrated circuit (IC) 3A4 connect one end of adjustable resistance RP5 and one end of resistance R 33 and resistance R 34, the moving contact of described adjustable resistance RP5 connects the other end of himself, the other end of described resistance R 33, the positive pole of capacitor C 12, 12 pin of one end of resistance R 37 and described integrated circuit (IC) 3A4, the positive pole of the other end connecting luminous diode LED5 of described resistance R 34, the 13 pin contact resistance R35 of described integrated circuit (IC) 3A4 and one end of resistance R 36, the negative pole of the other end connecting luminous diode LED5 of described resistance R 36, the negative pole of described capacitor C 12 is also connected with common port, the other end of described resistance R 35 is connected with described direct current regulation circuit, the other end of described resistance R 37 connects 14 pin of described integrated circuit (IC) 3A4 and one end of resistance R 38, the base stage of the other end connecting triode VT7 of described resistance R 38, the collector electrode of described triode VT7 connects one end of described relay K A4 coil, 2 pin of the anode of diode D15 and start-up mode change over switch K1, the negative pole of the 3 pin connecting luminous diode LED6 of described start-up mode change over switch K1, one end of the anodal contact resistance R39 of described LED 6, the other end of described resistance R 39 connects the negative electrode of diode D15, describedly succeed the other end of electrical equipment KA4 coil and be connected with described direct current regulation circuit, 1 pin of described start-up mode change over switch K1 is connected with common port with the emitter of described triode VT7.
As preferred technical scheme, described time control and automatic control conversion select circuit to comprise change over switch K2, 1 pin of described change over switch K2 is connected with described direct current regulation circuit, one end of the 2 pin contact resistance R40 of described change over switch K2, the positive pole of the other end connecting luminous diode LED7 of described resistance R 40, one end of the 3 pin contact resistance R41 of described change over switch K2 and one end of relay K A5 coil, the positive pole of the other end connecting luminous diode LED8 of described resistance R 41, the negative pole of the negative pole of described LED 8 and LED 7, the other end and the common port of relay K A5 coil are connected.
As preferred technical scheme, described microcomputer time-controlled switch control circuit comprises three microcomputer time-controlled switch controllers, after interconnecting, " T " end of three described microcomputer time-controlled switch controllers is connected with common port, after the terminal that three described microcomputer time-controlled switch controllers are marked with " entering " interconnects, connect with input power and be connected, described in one of them, " going out " terminal of microcomputer time-controlled switch controller connects one end of described contactor KM1 coil, the other end of described contactor KM1 coil is connected with common port, described in another, " going out " terminal of microcomputer time-controlled switch controller connects one end of described contactor KM6 coil, described in last, " going out " terminal of microcomputer time-controlled switch controller connects one end of described contactor KM7 coil, described contactor KM6 is connected one end of relay K A5 break contact with the other end of described contactor KM7 coil, the other end of described relay K A5 break contact is connected with common port.
As the improvement to technique scheme, described function conversion driving circuit comprises the moving contact of the relay K A3 being connected with power line and the moving contact of described bypass relay K A2, the make contact of described relay K A3 connects one end of described bypass contactor KM2 coil and one end of indicator light " bypass ", the other end of described bypass contactor KM2 connects one end of described contactor KM3 dynamic circuit breaker auxiliary contact and the other end of indicator light " bypass ", the break contact of described relay K A3 connects one end of described contactor KM3 coil and one end of indicator light " economize on electricity ", the other end of described contactor KM3 coil connects one end of described bypass contactor KM2 dynamic circuit breaker auxiliary contact and the other end of indicator light " economize on electricity ", the other end of described bypass contactor KM2 dynamic circuit breaker auxiliary contact connects the other end of described contactor KM3 dynamic circuit breaker auxiliary contact and is connected with common, the break contact of described bypass contactor KM2 connects the moving contact of relay K A1, the break contact of described relay K A1 connects one end of described contactor KM4 coil and one end of indicator light " economize on electricity I ", the other end of described contactor KM4 coil connects the other end of indicator light " economize on electricity I " and one end of contactor KM5-1 dynamic circuit breaker auxiliary contact, the other end of described contactor KM5-1 dynamic circuit breaker auxiliary contact connects one end of contactor KM6-1 dynamic circuit breaker auxiliary contact, the make contact of described relay K A1 connects one end of described contactor KM5 coil and one end of indicator light " economize on electricity II ", the other end of described contactor KM5 coil connects the other end of indicator light " economize on electricity II " and one end of contactor KM4-1 dynamic circuit breaker auxiliary contact, the other end of described contactor KM4-1 dynamic circuit breaker auxiliary contact connects one end of contactor KM6-2 dynamic circuit breaker auxiliary contact, described relay K A2 make contact connects one end of described contactor KM6 coil and one end of indicator light " economize on electricity III ", the other end of described contactor KM6 coil connects the other end of indicator light " economize on electricity III " and one end of described contactor KM4-2 dynamic circuit breaker auxiliary contact, the other end of described contactor KM4-2 dynamic circuit breaker auxiliary contact connects one end of described contactor KM5-2 dynamic circuit breaker auxiliary contact, the other end of described contactor KM5-2 dynamic circuit breaker auxiliary contact, the other end of described contactor KM6-2 dynamic circuit breaker auxiliary contact, the other end of described contactor KM6-1 dynamic circuit breaker auxiliary contact is connected with common.
Owing to having adopted technique scheme, the present invention not only can meet the lighting requirement of street lamp, but also can realize filtering clutter, optimize and revise power supply parameter, improve power consumption efficiency, reduce the waste of unnecessary or dump energy, guaranteeing with under street lamp normal operating conditions, by time control or autocontrol mode saves energy to greatest extent, thereby the expenditure that reduces the electricity charge, power saving rate is generally 15% to 40%.This device also has the defencive functions such as the instantaneous overvoltage of inhibition, surge current, short circuit, overload, overcurrent simultaneously, can make road lamp extend useful life more than twice, thereby has reduced the expenditure of maintenance cost or renewal cost.
accompanying drawing explanation
The following drawings is only intended to the present invention to schematically illustrate and explain, not delimit the scope of the invention.Wherein:
Fig. 1 is the structured flowchart of the embodiment of the present invention;
Fig. 2 is the course of work curve chart of the embodiment of the present invention;
Fig. 3 is the structure principle chart of embodiment of the present invention main circuit;
Fig. 4 is the structure principle chart of the embodiment of the present invention;
In figure: 1-main circuit; 2-voltage signal sampling circuit; 3-economize on electricity gear change-over circuit; 4-current signal sampling circuit; The judgement of 5-overcurrent and change-over circuit; 6-street lamp start-up mode control circuit; Circuit is selected in 7-time control and automatic control conversion; 8-microcomputer time-controlled switch control circuit; 9-function conversion driving circuit; 10-direct current regulation circuit.
Embodiment
For technical characterictic of the present invention, object and effect being had more clearly, understand, now contrast accompanying drawing explanation the specific embodiment of the present invention.
As shown in Figure 1, intelligent road lamp electricity-saving control device, comprise the main circuit 1 being connected with electrical network, the output of described main circuit 1 is parallel with voltage signal sampling circuit 2, current signal sampling circuit 4, street lamp start-up mode control circuit 6, microcomputer time-controlled switch control circuit microcomputer time-controlled switch control circuit 8 and direct current regulation circuit 10, the output of described voltage signal sampling circuit 2 is electrically connected with economize on electricity gear change-over circuit 3, the output of described current signal sampling circuit 4 is electrically connected with overcurrent judgement and change-over circuit 5, the output of described street lamp start-up mode control circuit 6 is electrically connected with time control and automatic control conversion selects circuit time control and automatic control conversion to select circuit 7, the output of described microcomputer time-controlled switch control circuit microcomputer time-controlled switch control circuit 8 is electrically connected with function conversion driving circuit function conversion driving circuit 9, described function conversion driving circuit function conversion driving circuit 9 is electrically connected to described main circuit 1, the output of described microcomputer time-controlled switch control circuit microcomputer time-controlled switch control circuit 8 is also electrically connected to respectively described economize on electricity gear change-over circuit 3 and described time control and automatic control conversion and selects circuit time control and automatic control conversion to select circuit 7, and described economize on electricity gear change-over circuit 3 and the judgement of described overcurrent and change-over circuit 5 are electrically connected to respectively described function conversion driving circuit 9, the output of described direct current regulation circuit 10 is electrically connected to respectively described economize on electricity gear change-over circuit 3, described overcurrent judgement and change-over circuit 5, described time control and automatic control conversion select circuit time control and automatic control conversion to select circuit 7 and described street lamp start-up mode control circuit 6.
Intelligent road lamp electricity-saving control device can and not need at the voltage (under automatic control state) of setting to work under regulation voltage (being under the time control state) two states of 100% illumination.Under according to time period time control state, the course of work curve of lighting load terminal voltage U and time t as shown in Figure 2.
Lighting load is in start-up course, if starting resistor too high or too low useful life that all can affect light fixture, phenomenon can easily appear puncturing in overtension, causes an ancient egg-shaped, holed wind instrument of illuminating lamp bad.If brownout can make again illuminating lamp repeatedly start the accelerated ageing that flicker causes lamp.For guaranteeing the optimum voltage value when street lamp just starts, this device carries out time delay control by street lamp start-up mode control circuit 6, the voltage being added in during startup on illuminating lamp is set as the I shelves economize on electricity voltage (voltage between phase line and zero line: 210V～220V), through 5～10 minutes, illuminating lamp soft start is complete to be entered after stable operation, by microcomputer time-controlled switch, send instruction, according to the economize on electricity gear magnitude of voltage operation of setting.As 0～0.1 this time period in Fig. 2.From 0.1～1 this time period (as: evening 6: 30～10: 00) street lamp according to this section of setting voltage value stable operation, power saving rate is in 15% left and right, on the impact of illumination little (human eye is difficult to aware), when the time arrives 1～2 this time period (as: 10: 00～12: 00 evening), street lamp can continue operation according to the economize on electricity gear magnitude of voltage of this section of setting again, now illumination can decline to some extent, power saving rate is in 25% left and right, when the time arrives 2～3 these time periods (as: 12: 00～6: 00 morning), street lamp again can be according to the economize on electricity gear magnitude of voltage stable operation of this section of setting, now, illumination can further reduce again, but can not make street lamp extinguish, but the power saving rate in this time period can reach 40% left and right.After the time arrives the period 3 in Fig. 2 (after 6 of mornings), under the control of microcomputer time-controlled switch, street lamp all extinguishes.Period 3～4 is daytime, and street lamp does not work.After darkness, this device repeats again the above-mentioned course of work.
In time control and automatic control conversion, select in circuit 7, if by switchboard panel to " automatic control " position, this device will exit " time control " control model automatically, enter into voltage voltage stabilizing automatic control mode, when input voltage changes, automatic adjustment by economize on electricity gear, remains in the scope of setting output voltage.
As can be seen here, owing to having taked technique scheme, the present embodiment not only can meet the lighting requirement of street lamp, but also can realize filtering clutter, optimizes and revises power supply parameter, improves power consumption efficiency, reduce the waste of unnecessary or dump energy, guaranteeing with under street lamp normal operating conditions, by time control or autocontrol mode, to greatest extent saves energy, thereby the expenditure that reduces the electricity charge, power saving rate is generally 15 ~ 40%.This device also has the defencive functions such as the instantaneous overvoltage of inhibition, surge current, short circuit, overload, overcurrent simultaneously, can make road lamp extend useful life more than twice, thereby has reduced the expenditure of maintenance cost or renewal cost.
As shown in Figure 3 and Figure 4, main circuit described in the present embodiment 1 comprises the splicing ear R that connects power network line, S, T, N, power network line is that low voltage electric network power supply (exchanges 380V, 50Hz or 60Hz three-phase four-wire system circuit) described splicing ear R, S, on the outlet line of T, be connected with air switch QF, the output of described air switch QF is electrically connected with the main contact of contactor KM1, between described air switch QF and the input of described contactor KM1 main contact, be serially connected with current transformer TA, output at described contactor KM1 main contact is serially connected with electromagnetic voltage adjusting transformer TB, described electromagnetic voltage adjusting transformer TB two ends are parallel with the main contact of bypass contactor KM2, the output of described electromagnetic voltage adjusting transformer TB is provided with lead-out terminal U, V and W, on the auxiliary winding of described electromagnetic voltage adjusting transformer TB, be electrically connected with respectively contactor KM4, the main contact of contactor KM5 and contactor KM6, described contactor KM4, the main contact of contactor KM5 and contactor KM6 is electrically connected with the main contact of contactor KM3, the output of the dynamic circuit connector main contact of described contactor KM3 is connected with public zero curve.The effect of this circuit is: by the control of relevant control circuit, when the available machine time (as 6: 30 evenings of every day) of setting arrives, the main contact of described contactor KM1 is closed, three-phase alternating current passes through the main winding of electromagnetic voltage adjusting transformer TB to street lamp power supply, road lamp power supply, the main winding of electromagnetic voltage adjusting transformer TB is subject to the control of auxiliary winding (totally three groups form three gears), and when gear in different, the main winding pressure drop of electromagnetic voltage adjusting transformer TB is different.In addition, the second function of the main winding of electromagnetic voltage adjusting transformer TB is em filtering effect, can suppress the generation of harmonic wave, reduce the amplitude of the impulse current (surge current) of street lamp when just starting and the overvoltage of instantaneous variation, also there is electromagnetism energy storage effect, play raising power factor, reduced the effect of reactive loss and line loss.When power load off-rating, after the delay time of setting, the main contact of KM3 disconnects, the main contact of KM2 is closed, automatically be transformed into bypass condition, ensure that street lamp continues power supply, can automatically be transferred to power-saving running state again when load drops to set point.Described voltage signal sampling circuit 2 comprises rectifier diode D1, the output of described rectifier diode D1 is serially connected with resistance R 1, resistance R 2 successively, the output of described resistance R 2 is electrically connected to described economize on electricity gear change-over circuit 3, the output of described resistance R 1 is connected to common by rectifier diode D2, and the output of described resistance R 2 is connected described common by the parallel circuits of voltage stabilizing didoe DW1 and capacitor C 1.The effect of this circuit is: the voltage signal to input samples shaping.
Described economize on electricity gear change-over circuit 3 comprises the adjustable resistance RP1 that is connected in parallel on described resistance R 2 outputs, adjustable resistance RP2 and relay K A4 break contact, the output contact resistance R3 of described adjustable resistance RP1, the input of the adjustable end contact resistance R4 of described adjustable resistance RP1, the other end of described resistance R 4 connects 3 pin of integrated circuit (IC) 2A1, one end of resistance R 6 and capacitor C 2, the output of described resistance R 6, the other end of the output of capacitor C 2 and described relay K A4 break contact is connected with common, one end of the 2 pin contact resistance R5 of described integrated circuit (IC) 2A1, the other end of described resistance R 5 and resistance R 9, one end of resistance R 13 is connected with the negative pole of voltage stabilizing didoe DW20, one end of the other end of described resistance R 9 and relay K A5 make contact is connected with described direct current regulation circuit 10 respectively, the other end of described resistance R 6 connects 1 pin of described integrated circuit (IC) 2A1 and one end of resistance R 7, the base stage of one end connecting triode VT1 that described resistance R 7 is another, the emitter of described triode VT1 connects one end of relay K A6 make contact, and be connected with common, the emitter of the collector electrode connecting triode VT2 of described triode VT1, one end of the base stage contact resistance R8 of described triode VT2, the other end of described resistance R 8 connects the other end of described relay K A5 make contact, one end of one end of resistance R 17 and resistance R 18, the collector electrode of described triode VT2 connects the other end of described relay K A6 make contact, the negative pole of resistance R 11 capacitor C 3, the anode of one end of described relay K A1 coil and diode D3, the negative pole of the other end connecting luminous diode LED2 of described resistance R 11, the positive pole of the positive pole of described LED 2 and capacitor C 3, the other end of described relay K A1, the negative electrode of diode D3 is connected with described direct current regulation circuit 10 respectively, one end of the other end contact resistance R14 of described adjustable resistance RP2, one end of the adjustable end contact resistance R12 of described adjustable resistance RP2, the other end of described resistance R 12 connects 5 pin of described integrated circuit (IC) 2A2, one end of resistance R 15 and capacitor C 5, the other end of described resistance R 14 and described capacitor C 5 is connected with common port, one end of the 6 pin contact resistance R13 of described integrated circuit (IC) 2A2, the other end of described resistance R 13 and resistance R 9, the negative pole of voltage stabilizing didoe DW2 is connected, the other end of described resistance R 15 connects 7 pin of described integrated circuit (IC) 2A2 and one end of resistance R 16, the base stage of the other end connecting triode VT3 of described resistance R 16, the emitter of described triode VT3 connects one end of relay K A7 make contact and is connected with common port, the emitter of the collector electrode connecting triode VT4 of described triode VT3, one end of the base stage contact resistance R18 of described triode VT4, the other end of described resistance R 8 connects the other end of relay K A5 make contact, one end of resistance R 17 and resistance R 18, the collector electrode of described triode VT4 connects the other end of described relay K A7 make contact, resistance R 19, the negative pole of capacitor C 4, the anode of one end of relay K A2 coil and diode D4, the negative pole of the other end connecting luminous diode LED3 of described resistance R 19, the positive pole of the positive pole of described LED 3 and capacitor C 4, the other end of described relay K A2 coil, the negative electrode of described diode D4 is connected with described direct current regulation circuit 10 respectively, one end of resistance R 10 connects common port, the negative pole of the other end connecting luminous diode LED1 of described resistance R 10, and the positive pole of described LED 1 is connected with described direct current regulation circuit 10.The Main Function of this circuit is: under according to time period time control state, relay K A5 is failure to actuate, triode VT2, triode VT4 cut-off, by three economize on electricity gears of relay K A6, relay K A7 control time, when relay K A6, relay K A7 are failure to actuate, system is in economize on electricity I shelves, when relay K A6 contact closure, system is in the economize on electricity of II shelves, and when relay K A7 contact closure, system is economized on electricity in III shelves.When circuit conversion is automatic control mode, this device will exit " time control " control model automatically, relay K A5 contact closure, triode VT2, triode VT4 conducting, system enters into voltage voltage stabilizing automatic control mode, when input voltage changes, the voltage comparator being comprised of integrated circuit (IC) 2 A1, integrated circuit (IC) 2A2 and peripheral circuit, by the control of relay K A1, relay K A2 is adjusted to economize on electricity gear automatically, remains in the scope of setting output voltage.
Described current signal sampling circuit 4 comprises the signal amplifying transformer T1 that is connected electrically in current transformer TA output, the two ends of described signal amplifying transformer T1 are parallel with resistance R 42 and adjustable resistance PR3, described resistance R 42 is connected common with adjustable resistance PR3 simultaneously, the moving contact of described adjustable resistance PR3 is electrically connected to the anode of diode D5, described diode D5 the input of negative electrode contact resistance R20, the output of described resistance R 20 is connected to the negative electrode of diode D6 and the input of resistance R 21, the output of described resistance R 21 connects described overcurrent judgement and change-over circuit 5, and the output of described resistance R 21 is by the parallel circuits ground connection of capacitor C 6 and voltage stabilizing didoe DW3, the minus earth of diode D6 simultaneously.The effect of this circuit is: the current signal of input is sampled to amplify and process.
Described overcurrent judgement and change-over circuit 5 comprise the adjustable resistance RP4 that input is connected with the output of described resistance R 21, the output head grounding of described adjustable resistance RP4, the moving contact contact resistance R22 of described adjustable resistance RP4, the other end of described resistance R 22 connects the input of capacitor C 7, 10 pin of the input of resistance R 25 and integrated circuit (IC) 2A3, one end of the 9 pin contact resistance R23 of described integrated circuit (IC) 2A3, one end of the other end contact resistance R24 of described resistance R 23, the anode of diode D7, the negative electrode of described diode D7 connects the other end of described capacitor C 7 and the other end of described adjustable resistance RP4, and be connected with common port, the other end of described resistance R 24 is electrically connected to described direct current regulation circuit 10, the other end of resistance R 25 connects 8 pin and the resistance R 26 of described integrated circuit (IC) 2A3, one end of resistance R 28 and resistance R 29, the other end of described resistance R 26 connects the positive pole of capacitor C 8 and one end of R27, the positive pole of the other end connecting luminous diode LED4 of described resistance R 28, the base stage of the other end connecting triode VT5 of described resistance R 27, the emitter of described triode VT5 connects the negative pole of described capacitor C 8 and the negative pole of described LED 4, and be connected with common port, the collector electrode of described triode VT5 connects the anode of diode D8 and one end of relay K A3 coil, the base stage of the other end connecting triode VT6 of described resistance R 29, the emitter of described triode VT6 connects common port, one end of the collector electrode contact resistance R30 of described triode VT6, the other end of described resistance R 30 connects the negative pole of buzzer BL, the positive pole of buzzer BL is connected described direct current regulation circuit 10 with the negative electrode of described diode D8 and the other end of described relay K A3 coil.The effect of this circuit is: the voltage signal that the current conversion from current signal sampling circuit 4 is become, setting by adjustable resistance RP4 to signal value, through integrated circuit (IC) 2 A3 comparators, this set point is compared to judgement, when signal is greater than this set point, alarm lamp LED 4 is bright, buzzer BL sends chimes of doom simultaneously, after certain delay time, when if load current is still greater than set point, relay K A3 coil obtains electricity, controls main circuit 1 and transfers power-saving running state to bypass operation.If (as: set point is 100A, transfers bypass operation while being greater than 100A to, returns to power-saving running state, just system can automatically return to power-saving running state while being less than 80A after load current is reduced to set point.
Described street lamp start-up mode control circuit comprises the resistance R 32 being connected with one end of described contactor KM1 dynamic circuit connector auxiliary contact, the other end of described resistance R 32 connects the anode of diode D13, the negative electrode of described diode D13 connects the negative electrode of diode D14, the positive pole of capacitor C 11, 1 pin of the negative pole of voltage stabilizing didoe DW3 and integrated circuit (IC) 3A4, the positive pole anodal and described C11 of 2 pin of described integrated circuit (IC) 3A4 and described diode D14 is connected with common port, one end of the 6 pin contact resistance R31 of described integrated circuit (IC) 3A4, the other end of described resistance R 31 is connected with common port, 5 pin of described integrated circuit (IC) 3 connect described direct current regulation circuit, 4 pin of described integrated circuit (IC) 3A4 connect one end of adjustable resistance RP5 and one end of resistance R 33 and resistance R 34, the moving contact of described adjustable resistance RP5 connects the other end of himself, the other end of described resistance R 33, the positive pole of capacitor C 12, 12 pin of one end of resistance R 37 and described integrated circuit (IC) 3A4, the positive pole of the other end connecting luminous diode LED5 of described resistance R 34, the 13 pin contact resistance R35 of described integrated circuit (IC) 3A4 and one end of resistance R 36, the negative pole of the other end connecting luminous diode LED5 of described resistance R 36, the negative pole of described capacitor C 12 is also connected with common port, the other end of described resistance R 35 is connected with described direct current regulation circuit, the other end of described resistance R 37 connects 14 pin of described integrated circuit (IC) 3A4 and one end of resistance R 38, the base stage of the other end connecting triode VT7 of described resistance R 38, the collector electrode of described triode VT7 connects one end of described relay K A4 coil, 2 pin of the anode of diode D15 and start-up mode change over switch K1, the negative pole of the 3 pin connecting luminous diode LED6 of described start-up mode change over switch K1, one end of the anodal contact resistance R39 of described LED 6, the other end of described resistance R 39 connects the negative electrode of diode D15, describedly succeed the other end of electrical equipment KA4 coil and be connected with described direct current regulation circuit, 1 pin of described start-up mode change over switch K1 is connected with common port with the emitter of described triode VT7.The effect of this partial circuit is: when the change over switch K1 of street lamp start-up mode control circuit 6 is pulled to " ON " position, street lamp carries out soft start through the delay time (being generally about 5 minutes) of setting under the voltage of setting, if K1 is pulled to " OFF " position, street lamp will directly start.
Described time control and automatic control conversion select circuit 7 to comprise change over switch K2, 1 pin of described change over switch K2 is connected with described direct current regulation circuit 10, one end of the 2 pin contact resistance R40 of described change over switch K2, the positive pole of the other end connecting luminous diode LED7 of described resistance R 40, one end of the 3 pin contact resistance R41 of described change over switch K2 and one end of relay K A5 coil, the positive pole of the other end connecting luminous diode LED8 of described resistance R 41, the negative pole of the negative pole of described LED 8 and LED 7, the other end and the common port of relay K A5 coil are connected.The effect of this circuit is: by change over switch K2, select " time control " still operational mode of " automatic control ", and corresponding mode indicator light is lit.
Described microcomputer time-controlled switch control circuit 8 comprises three microcomputer time-controlled switch controllers, after interconnecting, " T " end of three described microcomputer time-controlled switch controllers is connected with common port, after the terminal that three described microcomputer time-controlled switch controllers are marked with " entering " interconnects, connect with input power and be connected, described in one of them, " going out " terminal of microcomputer time-controlled switch controller connects one end of described contactor KM1 coil, the other end of described contactor KM1 coil is connected with common port, described in another, " going out " terminal of microcomputer time-controlled switch controller connects one end of described contactor KM6 coil, described in last, " going out " terminal of microcomputer time-controlled switch controller connects one end of described contactor KM7 coil, described contactor KM6 is connected one end of relay K A5 break contact with the other end of described contactor KM7 coil, the other end of described relay K A5 break contact is connected with common port.The effect of this circuit is: under " time control " control model, utilize time range that three time switchs set to control the street lamp gear that economizes on electricity.
Described function conversion driving circuit 9 comprises the moving contact of the relay K A3 being connected with power line and the moving contact of described bypass relay K A2, the make contact of described relay K A3 connects one end of described bypass contactor KM2 coil and one end of indicator light " bypass ", the other end of described bypass contactor KM2 connects one end of described contactor KM3 dynamic circuit breaker auxiliary contact and the other end of indicator light " bypass ", the break contact of described relay K A3 connects one end of described contactor KM3 coil and one end of indicator light " economize on electricity ", the other end of described contactor KM3 coil connects one end of described bypass contactor KM2 dynamic circuit breaker auxiliary contact and the other end of indicator light " economize on electricity ", the other end of described bypass contactor KM2 dynamic circuit breaker auxiliary contact connects the other end of described contactor KM3 dynamic circuit breaker auxiliary contact and is connected with common, the break contact of described bypass contactor KM2 connects the moving contact of relay K A1, the break contact of described relay K A1 connects one end of described contactor KM4 coil and one end of indicator light " economize on electricity I ", the other end of described contactor KM4 coil connects the other end of indicator light " economize on electricity I " and one end of contactor KM5-1 dynamic circuit breaker auxiliary contact, the other end of described contactor KM5-1 dynamic circuit breaker auxiliary contact connects one end of contactor KM6-1 dynamic circuit breaker auxiliary contact, the make contact of described relay K A1 connects one end of described contactor KM5 coil and one end of indicator light " economize on electricity II ", the other end of described contactor KM5 coil connects the other end of indicator light " economize on electricity II " and one end of contactor KM4-1 dynamic circuit breaker auxiliary contact, the other end of described contactor KM4-1 dynamic circuit breaker auxiliary contact connects one end of contactor KM6-2 dynamic circuit breaker auxiliary contact, described relay K A2 make contact connects one end of described contactor KM6 coil and one end of indicator light " economize on electricity III ", the other end of described contactor KM6 coil connects the other end of indicator light " economize on electricity III " and one end of described contactor KM4-2 dynamic circuit breaker auxiliary contact, the other end of described contactor KM4-2 dynamic circuit breaker auxiliary contact connects one end of described contactor KM5-2 dynamic circuit breaker auxiliary contact, the other end of described contactor KM5-2 dynamic circuit breaker auxiliary contact, the other end of described contactor KM6-2 dynamic circuit breaker auxiliary contact, the other end of described contactor KM6-1 dynamic circuit breaker auxiliary contact is connected with common.The effect of this circuit is: the on-off of the drive coil by control contactor KM2～KM6, control the logical and disconnected of their main contacts, realize the control of systemic-function, as the switching of economize on electricity, bypass, three economize on electricity gears, when in which kind of running status or economize on electricity gear, corresponding indicator light just can be lighted.
Direct current regulation circuit 10 comprises power transformer T2, input 1 pin of power transformer T2 is connected with " the U phase " of input power, 2 pin of power transformer T2 are connected with common port, the output 3 of power transformer T2 is connected the input of bridge rectifier D9～D12 with 4 pin, the output cathode end of bridge rectifier D9～D12 connects the positive pole of capacitor C 9 and 1 pin (input) of integrated voltage stabilizer IC1, 3 pin (output) of integrated voltage stabilizer IC1 connect the anodal of capacitor C 10 and as DC power supply+12V output, the output negative pole end of bridge rectifier D9～D12 connects the negative pole of the negative pole of capacitor C 9 and 3 pin of integrated voltage stabilizer IC1 and capacitor C 10 and as the common port of whole system circuit.The effect of this circuit is to supply with the stable DC voltage that one of interlock circuit is not affected by power-supply fluctuation.
In the present embodiment, main components is selected: integrated voltage stabilizer IC1 can select LM7812, integrated circuit (IC) 2(A1～A4) can select LM324, integrated circuit (IC) 3 can be selected TIL117, triode VT1～VT7 can select 9013, relay K A1～KA5 can select the relay of 12V10A, relay K A6 and relay K A7 can select the relay of 220V10A, contactor KM1～KM3 selects 220V A.C. contactor, the capacity of its main contact should be determined according to the rated current of main circuit, contactor KM4～KM6 is 220V A.C. contactor, the capacity of main contact is that 20% of main circuit rated current is selected, microcomputer time-controlled switch controller 1#～3#, can buy from the market, model specification can be selected voluntarily.
In this device, be provided with some necessary signal designations, have the functions such as overload sound and light alarm, this device can automatically transfer bypass power supply state to when occurring that power load surpasses the machine rated value.After load current is reduced to set point, can automatically enter electricity-saving state again, ensure the safety and reliability of power supply.
The foregoing is only the schematic embodiment of the present invention, not in order to limit scope of the present invention.Any those skilled in the art, not departing from equivalent variations and the modification of having done under the prerequisite of design of the present invention and principle, all should belong to the scope of protection of the invention.
Claims (1)
1. intelligent road lamp electricity-saving control device, it is characterized in that: comprise the main circuit being connected with electrical network, the output of described main circuit is parallel with voltage signal sampling circuit, current signal sampling circuit, street lamp start-up mode control circuit, microcomputer time-controlled switch control circuit and direct current regulation circuit, the output of described voltage signal sampling circuit is electrically connected with economize on electricity gear change-over circuit, the output of described current signal sampling circuit is electrically connected with overcurrent judgement and change-over circuit, the output of described street lamp start-up mode control circuit is electrically connected with time control and circuit is selected in automatic control conversion, the output of described microcomputer time-controlled switch control circuit is electrically connected with function conversion driving circuit, described function conversion driving circuit is electrically connected to described main circuit, the output of described microcomputer time-controlled switch control circuit is also electrically connected to respectively described economize on electricity gear change-over circuit and described time control and automatic control conversion and selects circuit, and described economize on electricity gear change-over circuit and the judgement of described overcurrent and change-over circuit are electrically connected to respectively described function conversion driving circuit, the output of described direct current regulation circuit is electrically connected to respectively described economize on electricity gear change-over circuit, described overcurrent judgement and change-over circuit, circuit and described street lamp start-up mode control circuit are selected in described time control and automatic control conversion,
Described main circuit comprises the splicing ear R that connects power network line, S, T, N, described splicing ear R, S, on the outlet line of T, be connected with air switch QF, the output of described air switch QF is electrically connected with the main contact of contactor KM1, between described air switch QF and the input of described contactor KM1 main contact, be serially connected with current transformer TA, output at described contactor KM1 main contact is serially connected with electromagnetic voltage adjusting transformer TB, described electromagnetic voltage adjusting transformer TB two ends are parallel with the main contact of bypass contactor KM2, the output of described electromagnetic voltage adjusting transformer TB is provided with lead-out terminal U, V and W, on the auxiliary winding of described electromagnetic voltage adjusting transformer TB, be electrically connected with respectively contactor KM4, the main contact of contactor KM5 and contactor KM6, described contactor KM4, the main contact of contactor KM5 and contactor KM6 is electrically connected with the main contact of contactor KM3, the output of the dynamic circuit connector main contact of described contactor KM3 is connected with public zero curve, described voltage signal sampling circuit comprises rectifier diode D1, the output of described rectifier diode D1 is serially connected with resistance R 1, resistance R 2 successively, the output of described resistance R 2 is electrically connected to described economize on electricity gear change-over circuit, the output of described resistance R 1 is connected to common by rectifier diode D2, and the output of described resistance R 2 is connected described common by the parallel circuits of voltage stabilizing didoe DW1 and capacitor C 1,
Described economize on electricity gear change-over circuit comprises the adjustable resistance RP1 that is connected in parallel on described resistance R 2 outputs, adjustable resistance RP2 and relay K A4 break contact, the output contact resistance R3 of described adjustable resistance RP1, the input of the adjustable end contact resistance R4 of described adjustable resistance RP1, the other end of described resistance R 4 connects 3 pin of integrated circuit (IC) 2A1, one end of resistance R 6 and capacitor C 2, the output of described resistance R 6, the other end of the output of capacitor C 2 and described relay K A4 break contact is connected with common, one end of the 2 pin contact resistance R5 of described integrated circuit (IC) 2A1, the other end of described resistance R 5 and resistance R 9, one end of resistance R 13 is connected with the negative pole of voltage stabilizing didoe DW20, one end of the other end of described resistance R 9 and relay K A5 make contact is connected with described direct current regulation circuit respectively, the other end of described resistance R 6 connects 1 pin of described integrated circuit (IC) 2A1 and one end of resistance R 7, the base stage of one end connecting triode VT1 that described resistance R 7 is another, the emitter of described triode VT1 connects one end of relay K A6 make contact, and be connected with common, the emitter of the collector electrode connecting triode VT2 of described triode VT1, one end of the base stage contact resistance R8 of described triode VT2, the other end of described resistance R 8 connects the other end of described relay K A5 make contact, one end of one end of resistance R 17 and resistance R 18, the collector electrode of described triode VT2 connects the other end of described relay K A6 make contact, the negative pole of resistance R 11 capacitor C 3, the anode of one end of described relay K A1 coil and diode D3, the negative pole of the other end connecting luminous diode LED2 of described resistance R 11, the positive pole of the positive pole of described LED 2 and capacitor C 3, the other end of described relay K A1, the negative electrode of diode D3 is connected with described direct current regulation circuit respectively, one end of the other end contact resistance R14 of described adjustable resistance RP2, one end of the adjustable end contact resistance R12 of described adjustable resistance RP2, the other end of described resistance R 12 connects 5 pin of described integrated circuit (IC) 2A2, one end of resistance R 15 and capacitor C 5, the other end of described resistance R 14 and described capacitor C 5 is connected with common port, one end of the 6 pin contact resistance R13 of described integrated circuit (IC) 2A2, the other end of described resistance R 13 and resistance R 9, the negative pole of voltage stabilizing didoe DW2 is connected, the other end of described resistance R 15 connects 7 pin of described integrated circuit (IC) 2A2 and one end of resistance R 16, the base stage of the other end connecting triode VT3 of described resistance R 16, the emitter of described triode VT3 connects one end of relay K A7 make contact and is connected with common port, the emitter of the collector electrode connecting triode VT4 of described triode VT3, one end of the base stage contact resistance R18 of described triode VT4, the other end of described resistance R 8 connects the other end of relay K A5 make contact, one end of resistance R 17 and resistance R 18, the collector electrode of described triode VT4 connects the other end of described relay K A7 make contact, resistance R 19, the negative pole of capacitor C 4, the anode of one end of relay K A2 coil and diode D4, the negative pole of the other end connecting luminous diode LED3 of described resistance R 19, the positive pole of the positive pole of described LED 3 and capacitor C 4, the other end of described relay K A2 coil, the negative electrode of described diode D4 is connected with described direct current regulation circuit respectively, one end of resistance R 10 connects common port, the negative pole of the other end connecting luminous diode LED1 of described resistance R 10, and the positive pole of described LED 1 is connected with described direct current regulation circuit,
Described street lamp start-up mode control circuit comprises the resistance R 32 being connected with one end of described contactor KM1 dynamic circuit connector auxiliary contact, the other end of described resistance R 32 connects the anode of diode D13, the negative electrode of described diode D13 connects the negative electrode of diode D14, the positive pole of capacitor C 11, 1 pin of the negative pole of voltage stabilizing didoe DW3 and integrated circuit (IC) 3A4, the positive pole anodal and described C11 of 2 pin of described integrated circuit (IC) 3A4 and described diode D14 is connected with common port, one end of the 6 pin contact resistance R31 of described integrated circuit (IC) 3A4, the other end of described resistance R 31 is connected with common port, 5 pin of described integrated circuit (IC) 3 connect described direct current regulation circuit, 4 pin of described integrated circuit (IC) 3A4 connect one end of adjustable resistance RP5 and one end of resistance R 33 and resistance R 34, the moving contact of described adjustable resistance RP5 connects the other end of himself, the other end of described resistance R 33, the positive pole of capacitor C 12, 12 pin of one end of resistance R 37 and described integrated circuit (IC) 3A4, the positive pole of the other end connecting luminous diode LED5 of described resistance R 34, the 13 pin contact resistance R35 of described integrated circuit (IC) 3A4 and one end of resistance R 36, the negative pole of the other end connecting luminous diode LED5 of described resistance R 36, the negative pole of described capacitor C 12 is also connected with common port, the other end of described resistance R 35 is connected with described direct current regulation circuit, the other end of described resistance R 37 connects 14 pin of described integrated circuit (IC) 3A4 and one end of resistance R 38, the base stage of the other end connecting triode VT7 of described resistance R 38, the collector electrode of described triode VT7 connects one end of described relay K A4 coil, 2 pin of the anode of diode D15 and start-up mode change over switch K1, the negative pole of the 3 pin connecting luminous diode LED6 of described start-up mode change over switch K1, one end of the anodal contact resistance R39 of described LED 6, the other end of described resistance R 39 connects the negative electrode of diode D15, describedly succeed the other end of electrical equipment KA4 coil and be connected with described direct current regulation circuit, 1 pin of described start-up mode change over switch K1 is connected with common port with the emitter of described triode VT7,
Described time control and automatic control conversion select circuit to comprise change over switch K2, 1 pin of described change over switch K2 is connected with described direct current regulation circuit, one end of the 2 pin contact resistance R40 of described change over switch K2, the positive pole of the other end connecting luminous diode LED7 of described resistance R 40, one end of the 3 pin contact resistance R41 of described change over switch K2 and one end of relay K A5 coil, the positive pole of the other end connecting luminous diode LED8 of described resistance R 41, the negative pole of the negative pole of described LED 8 and LED 7, the other end and the common port of relay K A5 coil are connected,
Described microcomputer time-controlled switch control circuit comprises three microcomputer time-controlled switch controllers, after interconnecting, " T " end of three described microcomputer time-controlled switch controllers is connected with common port, after the terminal that three described microcomputer time-controlled switch controllers are marked with " entering " interconnects, connect with input power and be connected, described in one of them, " going out " terminal of microcomputer time-controlled switch controller connects one end of described contactor KM1 coil, the other end of described contactor KM1 coil is connected with common port, described in another, " going out " terminal of microcomputer time-controlled switch controller connects one end of described contactor KM6 coil, described in last, " going out " terminal of microcomputer time-controlled switch controller connects one end of described contactor KM7 coil, described contactor KM6 is connected one end of relay K A5 break contact with the other end of described contactor KM7 coil, the other end of described relay K A5 break contact is connected with common port,
Described function conversion driving circuit comprises the moving contact of the relay K A3 being connected with power line and the moving contact of described bypass relay K A2, the make contact of described relay K A3 connects one end of described bypass contactor KM2 coil and one end of indicator light " bypass ", the other end of described bypass contactor KM2 connects one end of described contactor KM3 dynamic circuit breaker auxiliary contact and the other end of indicator light " bypass ", the break contact of described relay K A3 connects one end of described contactor KM3 coil and one end of indicator light " economize on electricity ", the other end of described contactor KM3 coil connects one end of described bypass contactor KM2 dynamic circuit breaker auxiliary contact and the other end of indicator light " economize on electricity ", the other end of described bypass contactor KM2 dynamic circuit breaker auxiliary contact connects the other end of described contactor KM3 dynamic circuit breaker auxiliary contact and is connected with common, the break contact of described bypass contactor KM2 connects the moving contact of relay K A1, the break contact of described relay K A1 connects one end of described contactor KM4 coil and one end of indicator light " economize on electricity I ", the other end of described contactor KM4 coil connects the other end of indicator light " economize on electricity I " and one end of contactor KM5-1 dynamic circuit breaker auxiliary contact, the other end of described contactor KM5-1 dynamic circuit breaker auxiliary contact connects one end of contactor KM6-1 dynamic circuit breaker auxiliary contact, the make contact of described relay K A1 connects one end of described contactor KM5 coil and one end of indicator light " economize on electricity II ", the other end of described contactor KM5 coil connects the other end of indicator light " economize on electricity II " and one end of contactor KM4-1 dynamic circuit breaker auxiliary contact, the other end of described contactor KM4-1 dynamic circuit breaker auxiliary contact connects one end of contactor KM6-2 dynamic circuit breaker auxiliary contact, described relay K A2 make contact connects one end of described contactor KM6 coil and one end of indicator light " economize on electricity III ", the other end of described contactor KM6 coil connects the other end of indicator light " economize on electricity III " and one end of described contactor KM4-2 dynamic circuit breaker auxiliary contact, the other end of described contactor KM4-2 dynamic circuit breaker auxiliary contact connects one end of described contactor KM5-2 dynamic circuit breaker auxiliary contact, the other end of described contactor KM5-2 dynamic circuit breaker auxiliary contact, the other end of described contactor KM6-2 dynamic circuit breaker auxiliary contact, the other end of described contactor KM6-1 dynamic circuit breaker auxiliary contact is connected with common.
2. intelligent road lamp electricity-saving control device as claimed in claim 1, it is characterized in that: described current signal sampling circuit comprises the signal amplifying transformer T1 that is connected electrically in current transformer TA output, the two ends of described signal amplifying transformer T1 are parallel with resistance R 42 and adjustable resistance PR3, described resistance R 42 is connected common with adjustable resistance PR3 simultaneously, the moving contact of described adjustable resistance PR3 is electrically connected to the anode of diode D5, described diode D5 the input of negative electrode contact resistance R20, the output of described resistance R 20 is connected to the negative electrode of diode D6 and the input of resistance R 21, the output of described resistance R 21 connects described overcurrent judgement and change-over circuit, and the output of described resistance R 21 is by the parallel circuits ground connection of capacitor C 6 and voltage stabilizing didoe DW3, the minus earth of diode D6 simultaneously.
3. intelligent road lamp electricity-saving control device as claimed in claim 2, it is characterized in that: described overcurrent judgement and change-over circuit comprise the adjustable resistance RP4 that input is connected with the output of described resistance R 21, the output head grounding of described adjustable resistance RP4, the moving contact contact resistance R22 of described adjustable resistance RP4, the other end of described resistance R 22 connects the input of capacitor C 7, 10 pin of the input of resistance R 25 and integrated circuit (IC) 2A3, one end of the 9 pin contact resistance R23 of described integrated circuit (IC) 2A3, one end of the other end contact resistance R24 of described resistance R 23, the anode of diode D7, the negative electrode of described diode D7 connects the other end of described capacitor C 7 and the other end of described adjustable resistance RP4, and be connected with common port, the other end of described resistance R 24 is electrically connected to described direct current regulation circuit, the other end of resistance R 25 connects 8 pin and the resistance R 26 of described integrated circuit (IC) 2A3, one end of resistance R 28 and resistance R 29, the other end of described resistance R 26 connects the positive pole of capacitor C 8 and one end of R27, the positive pole of the other end connecting luminous diode LED4 of described resistance R 28, the base stage of the other end connecting triode VT5 of described resistance R 27, the emitter of described triode VT5 connects the negative pole of described capacitor C 8 and the negative pole of described LED 4, and be connected with common port, the collector electrode of described triode VT5 connects the anode of diode D8 and one end of relay K A3 coil, the base stage of the other end connecting triode VT6 of described resistance R 29, the emitter of described triode VT6 connects common port, one end of the collector electrode contact resistance R30 of described triode VT6, the other end of described resistance R 30 connects the negative pole of buzzer BL, the positive pole of described buzzer BL is connected described direct current regulation circuit with the negative electrode of described diode D8 and the other end of described relay K A3 coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310003437.6A CN103037596B (en) | 2013-01-06 | 2013-01-06 | Intelligent electricity-saving control device for street lamp |
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| CN201310003437.6A CN103037596B (en) | 2013-01-06 | 2013-01-06 | Intelligent electricity-saving control device for street lamp |
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| CN103037596A CN103037596A (en) | 2013-04-10 |
| CN103037596B true CN103037596B (en) | 2014-12-03 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1668159A (en) * | 2005-02-03 | 2005-09-14 | 程涛 | Intelligent electricity-saving device for lighting supply source |
| CN2779791Y (en) * | 2005-02-03 | 2006-05-10 | 程涛 | Intelligent electricity-saving device for lighting supply source |
| CN201430709Y (en) * | 2009-07-01 | 2010-03-24 | 邢建忠 | Special remote wireless control multiplex protection power-saving system for street lamp |
| CN202276532U (en) * | 2011-11-04 | 2012-06-13 | 上海勇顺电气（集团）有限公司 | Control box for energy-saving street lamp |
| CN203039975U (en) * | 2013-01-06 | 2013-07-03 | 山东瑞斯高创股份有限公司 | Intelligent electricity-saving control device for street lamp |
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2013
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1668159A (en) * | 2005-02-03 | 2005-09-14 | 程涛 | Intelligent electricity-saving device for lighting supply source |
| CN2779791Y (en) * | 2005-02-03 | 2006-05-10 | 程涛 | Intelligent electricity-saving device for lighting supply source |
| CN201430709Y (en) * | 2009-07-01 | 2010-03-24 | 邢建忠 | Special remote wireless control multiplex protection power-saving system for street lamp |
| CN202276532U (en) * | 2011-11-04 | 2012-06-13 | 上海勇顺电气（集团）有限公司 | Control box for energy-saving street lamp |
| CN203039975U (en) * | 2013-01-06 | 2013-07-03 | 山东瑞斯高创股份有限公司 | Intelligent electricity-saving control device for street lamp |
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| CN103037596A (en) | 2013-04-10 |
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