CN104582149A - LED street lamp with charging pile - Google Patents
LED street lamp with charging pile Download PDFInfo
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- CN104582149A CN104582149A CN201410796948.2A CN201410796948A CN104582149A CN 104582149 A CN104582149 A CN 104582149A CN 201410796948 A CN201410796948 A CN 201410796948A CN 104582149 A CN104582149 A CN 104582149A
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- 238000007598 dipping method Methods 0.000 claims description 4
- 230000010349 pulsation Effects 0.000 claims description 4
- 230000003993 interaction Effects 0.000 claims description 3
- 230000035772 mutation Effects 0.000 claims description 3
- 230000002040 relaxant effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 5
- 238000005286 illumination Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
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- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
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- 239000004065 semiconductor Substances 0.000 description 1
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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 LED street lamp with a charging pile. The LED street lamp comprises a correcting circuit, a filter circuit, a PWM switch circuit and a charging loop, wherein the correcting circuit is used for conducting correction on current distortion in a driving circuit and the compensation of power factors to improve the quality of electric energy; the filter circuit is used for eliminating the influence of higher harmonics and clutters on the driving circuit; the PWM switch circuit is used for driving the LED street lamp to work by controlling the conduction time of a switch tube to realize the real-time dimming function of the LED street lamp; the charging loop is arranged between the filter circuit and the PWM switch circuit and is used for charging electric vehicles, wherein the charging loop, the correcting circuit and the PWM switch circuit are simultaneously matched and controlled by the same control module so as to complete the charging process of the vehicles cooperatively on the basis of the dimming of the LED street lamp. The LED street lamp is integrated with double functions of lighting and electric vehicle charging, and has a high application value.
Description
Technical field
The present invention relates to a kind of street lamp, particularly a kind of LED street lamp with charging pile.
Background technology
Existing street lamp often adopts alternating current timing constant voltage type of drive to control, and controls simple, and current study hotspot is the light source that uses LED as street lamp, and illuminating effect is better, the high and environmental protection of efficiency, longer service life.
But the weak point of this kind of control mode is: the exiting light beam intensity that cannot regulate LED according to external bright dark degree in real time, can only regularly open, close, and given driving voltage is constant, alternating current is become direct current by the simple rectifying device of normal employing, then directly carrying out filter comes waveform shaping, finally by the DC powered illuminating lamp after shaping, because rectifying device is directly connected with filter, electric current has a charge and discharge process on filter capacitor, when being less than the voltage on filter capacitor when instantaneous AC input voltage, rectifier diode not conducting, and in extremely narrow pass range, great On current can be produced, supply current is made to be pulse type, reduce the power factor of system, cause the instability of LED illumination lamp emergent ray.
On the other hand, in today of exquisite energy society, what pure electric automobile had become people pursues focus, can also reduce expenses while energy-saving and emission-reduction, also there is corresponding subsidy policy various countries, impel increasing people to use electric automobile to be used as trip instrument, meanwhile, the construction of the infrastructure that charging device etc. are supporting is also extremely urgent, nowadays mostly arranges centralized charging station and charges.
But the weak point of this kind of mode is: because centralized charging station also cannot be popularized, very inconvenient when giving charging electric vehicle, than when electricity is not enough if in the process of moving, trouble can be caused to road traffic, limit the popularization of electric automobile to a certain extent.
Summary of the invention
For above-mentioned technical problem, the invention discloses a kind of LED street lamp with charging pile, efficiently solve the problem of the uncontrollable and light instability of the bright dark degree of LED street lamp.
A further object of the invention is the problem solving charging electric vehicle inconvenience, is provided with charging pile, electric automobile can be charged in roadside at any time in street lamp tower cylinder.
Meanwhile, the same control module of the present invention controls correcting circuit and PWM switching circuit simultaneously, achieves the compensation of power factor to LED street lamp system, the impact on LED street lamp during elimination vehicle charging.
In order to realize, according to these objects of the present invention and other advantage, providing a kind of LED street lamp with charging pile, comprising:
Correcting circuit, it is for correcting and compensation of power factor the current distortion in driver circuit, improves the quality of power supply, reduces harmonic wave and causes interference to power supply, make LED street lamp steady operation simultaneously, reduce the flicker of its emergent ray; Filter circuit, it receives the electric current after described correcting circuit process, the alternating component in filtering electric current, simultaneously mild current break, and make the curent change in described driver circuit more stable, Eliminate highter harmonic and clutter are on the impact of described driver circuit; PWM switching circuit, it drives described LED street lamp work by the ON time of control switch pipe, to realize the function to the real-time light modulation of described LED street lamp; Charge circuit, it is arranged between described filter circuit and described PWM switching circuit, for charging to electric automobile; Wherein, described correcting circuit and described PWM switching circuit coordinate control by same control module simultaneously, coordinate the charging process of automobile, realize the current constant control to described LED street lamp, eliminate the impact on described LED street lamp when vehicle charging.
Preferably, described correcting circuit is connected to the DC output end of rectification circuit, and the structure of described correcting circuit is: inductance L 1, and it is connected on direct-flow positive pole, for suppressing electric current instantaneous mutation; Switching tube Q1, it is connected between direct current both positive and negative polarity, and collector electrode is connected to the leading-out terminal of described inductance L 1, for the electric current of pulsation is cut into high frequency interrupted current; Diode D1, its anode is connected with the leading-out terminal of described inductance L 1, for carrying out rectification again to described high frequency interrupted current.
Preferably, described filter circuit comprises: the inductance L 2 be connected with described diode D1 negative electrode, electric capacity C1 and C2 being connected in its two ends in parallel, described electric capacity C1, C2 are used for the alternating component in filtering electric current, described inductance L 2 for cushion described electric capacity C1, C2 from discharge process.
Preferably, described PWM switching circuit comprises: the current-limiting resistance R2 that the isolating transformer T1 be connected with described inductance L 2 other end is connected with its former limit negative pole, be connected on switching tube Q2 between described current-limiting resistance R2 and described rectification circuit direct current negative pole.
Preferably, also comprise inductance L 4, it is connected between described current-limiting resistance R2 and described isolating transformer T1, for relaxing the sudden change of induced electromotive force on described isolating transformer T1, stablizes the bright dipping of described LED street lamp.
Preferably, described charge circuit comprises: the current-limiting resistance R1 that the high frequency transformer T2 be connected with described inductance L 2 other end is connected with its former limit negative pole, the secondary current rectifying and wave filtering circuit being connected on switching tube Q3 between described current-limiting resistance R1 and described rectification circuit direct current negative pole, being connected with described high frequency transformer T2 secondary.
Preferably, also comprise charge system, ARM chip controller, human-computer interaction interface and accessory power supply, form the charging pile of electric automobile together with described charge circuit, the tower cylinder that described charging pile is arranged on LED street lamp is inner.
Preferably, described control module, according to the current signal in the described driver circuit received and voltage signal, treatedly obtains control signal, controls the open and close process of described switching tube Q1 and described switching tube Q2 with this.
Preferably, in vehicle charging process, described ARM chip controller and described control module coordinate the open and close process controlling described switching tube Q1, Q2 and Q3, to complete the charging to automobile, eliminate the interference to LED street lamp simultaneously.
The present invention at least comprises following beneficial effect: a kind of LED street lamp with charging pile provided, correcting circuit is had additional in power driving circuit, improve LED street lamp system power factor (PF), effectively reduce the impact of the abnormal ripple of electric current simultaneously, improve the stability of LED street lamp work, achieve the function to LED street lamp exiting light beam intensity real-time, tunable simultaneously; The charging pile of electric automobile is had additional in the drive circuit of LED street lamp, take full advantage of resource, bring huge convenience to electric automobile user simultaneously, solve the problem of charging electric vehicle difficulty, more be conducive to applying of electric automobile, not only reduce energy resource consumption, also bring advantageous effects to environment, there is huge using value.
Part is embodied by explanation below by other advantage of the present invention, target and feature, part also will by research and practice of the present invention by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1 is the structural representation of the LED street lamp of band charging pile of the present invention;
Fig. 2 is the schematic circuit of one embodiment of the present of invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail, can implement according to this with reference to specification word to make those skilled in the art.
In this manual, when an element is mentioned as " be connected to or be coupled in " another element or " being arranged in another element ", it " directly " can be connected to or be coupled in another element or " directly " is arranged in another element.Or be connected to or be coupled in another element in the intervenient mode of other elements or be arranged in another element, unless it is mentioned as " be directly coupled in or be connected to " another element or " directly arranging " in another element.Should be appreciated that used hereinly such as " to have ", other element one or more do not allotted in " comprising " and " comprising " term or the existence of its combination or interpolation.
As shown in Figure 1 be according to a kind of way of realization of the present invention, comprising:
Correcting circuit 20, AC power is connected with one end of described correcting circuit 20 by after rectification circuit 10 rectification, it is for correcting and compensation of power factor the current distortion in driver circuit, improve the quality of power supply, reduce harmonic wave and interference is caused to power supply, make LED street lamp steady operation simultaneously, reduce the flicker of its emergent ray, filter circuit 30, its one end is connected with the other end of correcting circuit 20, and the electric current received after described correcting circuit 20 processes, alternating component in filtering electric current, mild current break simultaneously, make the curent change in described driver circuit more stable, Eliminate highter harmonic and clutter are on the impact of described LED street lamp, cause the flicker of light, difference with prior art is, correcting circuit 20 is had additional between rectification circuit 10 and filter circuit 30, if rectifying device is directly connected with filter, electric current has a charge and discharge process on filter capacitor, when being less than the voltage on filter capacitor when instantaneous AC input voltage, rectifier diode not conducting, namely only understand just meeting conducting near alternating current peak value, and in extremely narrow pass range, great On current can be produced, supply current is made to be pulse type, reduce the power factor of system, cause the instability of street lamp emergent ray simultaneously, affect illuminating effect, the electric current of pulse type can impact LED simultaneously, reduce its q-percentile life.The object arranging this correcting circuit 20 is exactly to address this problem, by correcting circuit 20, the direct current of pulsation is become the interrupted current waveform of high frequency, filter circuit 30 is being sent to after over commutation, make current waveform and the voltage waveform homophase of output, improve the power factor (PF) of LED illumination unit, and the current distortion effectively eliminated in circuit, improve the illuminating effect of street lamp; PWM switching circuit 40, its one end is connected with the other end of filter circuit 30, described LED street lamp work is driven by the ON time controlling the PWM switching tube that it is arranged, to realize the function to the real-time light modulation of described LED street lamp, LED street lamp 60 and PWM switching circuit 40 lotus root connect, thus realize being electrically connected LED street lamp 60.Charge circuit 54, it is connected between filter circuit 30 and PWM switching circuit 40, for charging to electric automobile, thus achieve the function of integration electric automobile charging pile in street lamp, solve the problem of charging electric vehicle difficulty, promoting the use of electric automobile, for decreasing toxic emission while social energy savings, having optimized living environment, wherein, described correcting circuit 20 and described PWM switching circuit 40 coordinate control by same control module 70 simultaneously, thus the current constant control realized described LED street lamp, and the power of environmentally light can conveniently adjust the bright dark degree of street lamp, save electric energy, simultaneously, when vehicle charging, control the running of described correcting circuit 20 and described PWM switching circuit 40, eliminate charging current to the shock effect of LED street lamp, thus achieve the illumination functions of LED street lamp and the charge function of electric automobile, and take full advantage of available circuit element, provide cost savings, there is huge promotional value.
In a kind of example, as shown in Figure 2, described correcting circuit 20 is connected to the DC output end of rectification circuit 10, the structure of described correcting circuit 20 is: inductance L 1, it is connected on direct-flow positive pole, and one end is connected with the direct current output cathode of rectification circuit 10, for suppressing electric current instantaneous mutation; Switching tube, NPN triode Q1 is adopted in the present embodiment, other can certainly be adopted to have the element of switching function, as metal-oxide-semiconductor etc., the collector electrode of described triode Q1 is connected with the other end of inductance L 1, emitter is connected with direct current negative pole, is controlled the turn-on and turn-off of triode Q1, the constant current of continuous pulsation is cut into high frequency interrupted current by the driving voltage adjusting base stage; Diode D1, its anode tap is connected with the link of inductance L 1 and triode Q1, for carrying out rectification again to described high frequency interrupted current, and delivers to filter circuit 30.
In the LED street lamp of the band charging pile of embodiment of the present invention, described filter circuit 30 comprises: the inductance L 2 be connected with described diode D1 negative electrode, be connected in electric capacity C1 and C2 at its two ends in parallel, thus formation filter circuit, described electric capacity C1, C2 is used for the alternating component in filtering electric current, described inductance L 2 is for cushioning described electric capacity C1, C2 from discharge process, electric current after described correcting circuit 20 processes is again after filter circuit 30 filtering process, make voltage and current waveform homophase, and phase place is identical, improve the power factor (PF) of system, and the high impulse harmonic wave eliminated in circuit and current distortion, stabilize the bright dipping of LED street lamp, reduce flicker.Be understandable that, the present embodiment just proposes a kind of way of realization, other there is correcting circuit function with the circuit structure of filter circuit function, with the use of with reach improve power factor (PF) and stress release treatment other form accommodations also within declared range of the present invention.
In embodiments of the present invention, described PWM switching circuit 40 comprises: the current-limiting resistance R2 that the isolating transformer T1 be connected with described inductance L 2 other end is connected with its negative pole, be connected on NPN triode Q2 between described current-limiting resistance R2 and direct current negative pole, described PWM switching circuit 40 is for regulating the bright dark degree of LED street lamp, to reach road conditions lighting demand, adjust the ON time of triode Q2 particular by the base drive voltage controlling triode Q2, thus realize controlling the secretly bright of LED street lamp.
In embodiments of the present invention; the LED street lamp of described band charging pile also comprises inductance L 4; it is connected between described current-limiting resistance R2 and described isolating transformer T1; for relaxing the sudden change of induced electromotive force on described isolating transformer T1; Q2 is not damaged for protection triode; slow down the self-oscillation of described isolating transformer T1, stablize the bright dipping of described LED street lamp.
In embodiments of the present invention, described charge circuit 54 comprises: the high frequency transformer T2 be connected with described inductance L 2 other end, the current-limiting resistance R1 be connected with its former limit negative pole, be connected on the NPN triode Q3 between described current-limiting resistance R1 and described rectification circuit direct current negative pole, the current rectifying and wave filtering circuit be connected with described high frequency transformer T2 secondary, current rectifying and wave filtering circuit comprises rectifier diode D2, filter capacitor C4 and inductance L 5, the power output of described charge circuit is controlled by the ON time of control NPN triode Q3, realize on-vehicle battery charging rapidly and efficiently.
In embodiments of the present invention, the LED street lamp of described band charging pile also comprises and also comprises charge system 51, ARM chip controller 52, human-computer interaction interface 53 and accessory power supply 55, the charging pile 5 of electric automobile is formed together with described charge circuit 54, the tower cylinder that described charging pile 5 is arranged on LED street lamp is inner, during charging, charging attachment plug can be taken out in tower cylinder.
In embodiments of the present invention, described LED street lamp 60 is connected to the secondary of described isolating transformer T1 by the secondary filtering rectification circuit that diode D3, electric capacity C1 and inductance L 3 are formed, control module 70 is according to voltage, current signal in circuit, adjust the described ON time to triode Q1 and Q2, realize the bright adjustment secretly of described LED street lamp.
In embodiments of the present invention, control module 70 described in the present embodiment adopts the combined type chip of correction and PWM switching function, it is according to the described current signal received and voltage signal, treatedly obtain control signal, and transfer to the base stage of described NPN triode Q1 and described NPN triode Q2 simultaneously, control it with this to open, pass process, ARM chip controller 52 coordinates the ON time of control Q3 simultaneously, thus realize the process of LED street lamp light modulation and coordination charging electric vehicle, eliminate vehicle charging electric current to the impulsive disturbance of LED street lamp, to reach illumination and the dual-use function charged.Specifically, at the interchange end of rectification circuit 10, divider resistance R5 and circuit R6 is set for gathering the voltage signal of ac input end, and inputs chip pin 3.At the DC output end of rectification circuit 10, resistance R10 and circuit R11 is set for gathering the voltage signal of direct-flow input end, and inputs chip pin 2.Direct-flow input end is provided with stabilized voltage power supply, and it is made up of divider resistance R9, voltage stabilizing didoe DZ1 and diode D5, and is connected with chip 1 pin, for chip provides power supply.Chip 1 pin is connected with 12 pins by electric capacity C5,12 pin ground connection, for eliminating oscillation, the direct current both positive and negative polarity between filter circuit 30 and PWM switching circuit 40 are provided with divider resistance R7 and circuit R8, for gathering the voltage signal of filtered input, and input chip pin 9.The collector electrode of chip 8 pin connecting triode Q2, for gathering PWM feedback current.The base stage of chip 11 pin connecting triode Q2 simultaneously, for controlling the break-make of triode Q2.Chip 5 pin is connected with LED street lamp, gathers the current signal of LED street lamp.Chip 10 pin is connected with the base stage of triode Q1, controls its break-make.Ac input end is also provided with switch S, and chip 4 pin is connected with it, and when there is overcurrent in circuit, control switch S disconnects, and protects late-class circuit with this, and 7 pins of chip are connected with high frequency transformer T2 former limit negative pole, gathers the current signal on charge circuit 54.Described accessory power supply 55 is made up of divider resistance R4, voltage stabilizing didoe DZ2 and diode D4, described ARM chip controller 52 is connected on the direct-flow positive pole of driver circuit by accessory power supply 55, ARM chip controller 52 gathers the charging status signal of on-vehicle battery, and the ON time of control NPN triode Q3, thus realize the effective control to charging process.
As mentioned above, invention increases LED street lamp system power factor (PF), effectively reduce the impact of the abnormal ripple of electric current simultaneously, improve the stability of LED street lamp work, achieve the function to LED street lamp exiting light beam intensity real-time, tunable simultaneously; The charging pile of electric automobile is had additional in the drive circuit of LED street lamp, take full advantage of existing system resource, and the normal work of LED street lamp can not be affected, bring huge convenience to electric automobile user simultaneously, solve the problem of charging electric vehicle difficulty, be more conducive to applying of electric automobile, not only reduce energy resource consumption, also bring advantageous effects to environment, there is huge using value.
Although embodiment of the present invention are open as above, but it is not restricted to listed in specification and execution mode utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.
Claims (9)
1. the LED street lamp with charging pile, is characterized in that, comprising:
Correcting circuit, it is for correcting and compensation of power factor the current distortion in driver circuit, improves the quality of power supply, reduces harmonic wave and causes interference to power supply, make LED street lamp steady operation simultaneously, reduce the flicker of its emergent ray;
Filter circuit, it receives the electric current after described correcting circuit process, the alternating component in filtering electric current, simultaneously mild current break, and make the curent change in described driver circuit more stable, Eliminate highter harmonic and clutter are on the impact of described driver circuit;
PWM switching circuit, it drives described LED street lamp work by the ON time of control switch pipe, to realize the function to the real-time light modulation of described LED street lamp;
Charge circuit, it is arranged between described filter circuit and described PWM switching circuit, for charging to electric automobile;
Wherein, described correcting circuit and described PWM switching circuit coordinate control by same control module simultaneously, coordinate the charging process of automobile, realize the current constant control to described LED street lamp, eliminate the impact on described LED street lamp when vehicle charging.
2. the LED street lamp of band charging pile as claimed in claim 1, it is characterized in that, described correcting circuit is connected to the DC output end of rectification circuit, and the structure of described correcting circuit is:
Inductance L 1, it is connected on direct-flow positive pole, for suppressing electric current instantaneous mutation;
Switching tube Q1, it is connected between direct current both positive and negative polarity, and one end is connected to the leading-out terminal of described inductance L 1, for the constant current of continuous pulsation is cut into high frequency interrupted current ripple;
Diode D1, its anode is connected with the leading-out terminal of described inductance L 1, for carrying out rectification again to described high frequency interrupted current.
3. the LED street lamp of band charging pile as claimed in claim 2, it is characterized in that, described filter circuit comprises: the inductance L 2 be connected with described diode D1 negative electrode, electric capacity C1 and C2 being connected in its two ends in parallel, described electric capacity C1, C2 are used for the alternating component in filtering electric current, described inductance L 2 for cushion described electric capacity C1, C2 from discharge process.
4. the LED street lamp of band charging pile as claimed in claim 3, it is characterized in that, described PWM switching circuit comprises: the current-limiting resistance R2 that the isolating transformer T1 be connected with described inductance L 2 other end is connected with its former limit negative pole, be connected on switching tube Q2 between described current-limiting resistance R2 and described rectification circuit direct current negative pole.
5. the LED street lamp of band charging pile as claimed in claim 4, it is characterized in that, also comprise inductance L 4, it is connected between described current-limiting resistance R2 and described isolating transformer T1, for relaxing the sudden change of induced electromotive force on described isolating transformer T1, stablize the bright dipping of described LED street lamp.
6. the LED street lamp of band charging pile as claimed in claim 1, it is characterized in that, described charge circuit comprises: the current-limiting resistance R1 that the high frequency transformer T2 be connected with described inductance L 2 other end is connected with its former limit negative pole, the secondary current rectifying and wave filtering circuit being connected on switching tube Q3 between described current-limiting resistance R1 and described rectification circuit direct current negative pole, being connected with described high frequency transformer T2 secondary.
7. the LED street lamp of band charging pile as claimed in claim 6, it is characterized in that, also comprise charge system, ARM chip controller, human-computer interaction interface and accessory power supply, form the charging pile of electric automobile together with described charge circuit, the tower cylinder that described charging pile is arranged on LED street lamp is inner.
8. the LED street lamp of band charging pile as claimed in claim 1, it is characterized in that, described control module, according to the current signal in the described driver circuit received and voltage signal, treatedly obtains control signal, controls the open and close process of described switching tube Q1 and described switching tube Q2 with this.
9. the LED street lamp of band charging pile as claimed in claim 8, it is characterized in that, in vehicle charging process, described ARM chip controller and described control module coordinate the open and close process controlling described switching tube Q1, Q2 and Q3, to complete the charging to automobile, eliminate the interference to LED street lamp simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410796948.2A CN104582149B (en) | 2014-12-19 | 2014-12-19 | A kind of LED street lamp with charging pile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410796948.2A CN104582149B (en) | 2014-12-19 | 2014-12-19 | A kind of LED street lamp with charging pile |
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| CN104582149A true CN104582149A (en) | 2015-04-29 |
| CN104582149B CN104582149B (en) | 2017-07-18 |
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| CN201410796948.2A Active CN104582149B (en) | 2014-12-19 | 2014-12-19 | A kind of LED street lamp with charging pile |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105072764A (en) * | 2015-08-19 | 2015-11-18 | 深圳市自然光环境艺术有限公司 | Multifunctional intelligent urban illumination and public information system |
| CN105101549A (en) * | 2015-08-07 | 2015-11-25 | 苏州晶雷光电照明科技有限公司 | Control method of street lamp control system |
| CN105953137A (en) * | 2016-02-04 | 2016-09-21 | 任红霞 | Multifunctional street lamp type charging pile |
| CN109309998A (en) * | 2018-12-04 | 2019-02-05 | 天津光电惠高电子有限公司 | A kind of tower modulating signal acquisition device and implementation method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RO121458B1 (en) * | 2004-08-06 | 2007-05-30 | Mihai Marcu | Installation for charging the vehicles storage batteries, supplied by an external source of alternating current |
| CN103326357A (en) * | 2013-06-17 | 2013-09-25 | 曹广平 | Electric vehicle equipment power supply and distribution method |
| CN204103555U (en) * | 2013-11-21 | 2015-01-14 | 国家电网公司 | A kind of charging pile device |
| CN103921690A (en) * | 2014-05-09 | 2014-07-16 | 陈继业 | Electric vehicle charging pile |
-
2014
- 2014-12-19 CN CN201410796948.2A patent/CN104582149B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105101549A (en) * | 2015-08-07 | 2015-11-25 | 苏州晶雷光电照明科技有限公司 | Control method of street lamp control system |
| CN105072764A (en) * | 2015-08-19 | 2015-11-18 | 深圳市自然光环境艺术有限公司 | Multifunctional intelligent urban illumination and public information system |
| CN105953137A (en) * | 2016-02-04 | 2016-09-21 | 任红霞 | Multifunctional street lamp type charging pile |
| CN109309998A (en) * | 2018-12-04 | 2019-02-05 | 天津光电惠高电子有限公司 | A kind of tower modulating signal acquisition device and implementation method |
| CN109309998B (en) * | 2018-12-04 | 2023-12-29 | 天津光电惠高电子有限公司 | Tower lamp signal acquisition device and implementation method |
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| Publication number | Publication date |
|---|---|
| CN104582149B (en) | 2017-07-18 |
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