CN204795739U - LED street lamp controller and LED lighting device - Google Patents
LED street lamp controller and LED lighting device Download PDFInfo
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- CN204795739U CN204795739U CN201520453715.2U CN201520453715U CN204795739U CN 204795739 U CN204795739 U CN 204795739U CN 201520453715 U CN201520453715 U CN 201520453715U CN 204795739 U CN204795739 U CN 204795739U
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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 utility model relates to the technical field of lighting technology, especially, relate to a LED street lamp controller and LED lighting device. A LED street lamp controller, includes: LED driver, logic control circuit and switching power supply, switching power supply for provide power supply voltage for logic control circuit, logic control circuit for sense when removing the thing, send turn -on signal, still be used for producing timing signal and adjustting of the lighteness signal, the LED driver for under the effect of turn -on signal, timing signal and/or adjustting of the lighteness signal, drive LED lamp is opened, adjustting of the lighteness and closing. The utility model discloses a LED street lamp controller and LED lighting device controls opening, close and adjustting of the lighteness of LED lamp through the situation of passing through according to removing the thing to reduce the power consumption of LED lamp.
Description
Technical field
The utility model relates to lighting technical field, in particular to a kind of LED road lamp controller and LED light device.
Background technology
In order to ensure the lighting demand of public domain, generally illuminating lamp can be set in the public domain such as road, square.
In correlation technique, illuminating lamp generally can keep identical brightness after opening, until be closed, this kind of situation likely can cause the waste of power supply, and nobody passes through for a long time in the region arranged as lighting device, and lighting device remains opening.
Utility model content
The purpose of this utility model is to provide a kind of LED road lamp controller and LED light device, by the unlatching by situation control LED according to motive objects, closedown and brightness regulation, thus reduces the power consumption of LED.
First aspect, the utility model embodiment provides a kind of LED road lamp controller, comprising: LED driver, logic control circuit and Switching Power Supply; Described Switching Power Supply, for providing supply power voltage for described logic control circuit; Described logic control circuit, during for sensing motive objects, sends start signal; Also for generation of timing signal and brightness regulated signal; Described LED driver, under the effect of described start signal, described timing signal and/or described brightness regulated signal, the unlatching of driving LED lamp, brightness regulation and closedown.
In conjunction with first aspect, the utility model embodiment provides the first possible execution mode of first aspect, and wherein, described logic control circuit comprises: microwave induced circuit, timing circuit, brightness regulating circuit and logic selection circuit; Described microwave induced circuit, described timing circuit and described brightness regulating circuit are parallel between described Switching Power Supply and described logic selection circuit; Described logic selection circuit is also connected with described LED driver; Described microwave induced circuit, during for sensing motive objects, exports start signal; Described timing circuit, for exporting timing signal; Described brightness regulating circuit, for output brightness conditioning signal; Described logic selection circuit, opens to drive described LED for described start signal being transferred to described LED driver; Also for described timing signal and described brightness regulated signal being transferred to described LED driver to regulate the brightness of described LED or to make described LED close.
In conjunction with first aspect, the utility model embodiment provides the possible execution mode of the second of first aspect, and wherein, described microwave induced circuit comprises microwave sensor; The output of described microwave sensor is connected with the input of described logic selection circuit, during for sensing motive objects, exports start signal.
In conjunction with first aspect, the utility model embodiment provides the third possible execution mode of first aspect, and wherein, described timing circuit comprises: Second pulse circuit and counter circuit; The pulse output end of described Second pulse circuit is connected with the counting input end of described counter circuit; The logic output terminal of described counter circuit is connected with the input of described logic selection circuit, for when described microwave induced circuit stops exporting start signal, starts timing; When also reaching set point for timing, send shutdown signal to described logic selection circuit.
In conjunction with first aspect, the utility model embodiment provides the 4th kind of possible execution mode of first aspect, wherein, described brightness regulating circuit is connected with the input of described logic selection circuit, for in the timing course of described timing circuit, to described logic selection circuit output brightness conditioning signal.
In conjunction with first aspect, the utility model embodiment provides the 5th kind of possible execution mode of first aspect, and wherein, described logic selection circuit comprises: triode Q2, triode Q3, resistance R13, resistance R15, resistance R12 and resistance R7; Described resistance R12 and described resistance R7 is series between described brightness regulating circuit and described LED driver successively; The base stage of described triode Q2 is connected with one end of described resistance R13, and the other end of described resistance R13 is connected with the output of described microwave induced circuit; The collector electrode of described triode Q2 is connected with described LED driver, described triode Q2 emitter connect DC power supply; The base stage of described triode Q3 is connected with one end of described resistance R15, and the other end of described resistance R15 is connected with the output of described timing circuit; The grounded emitter of described triode Q3, collector electrode is connected on the series connection node of described resistance R12 and described resistance R7.
In conjunction with first aspect, the utility model embodiment provides the 6th kind of possible execution mode of first aspect, and wherein, described counter circuit comprises: counting chip and NAND gate switch; Described counting chip counting input end is connected with the pulse output end of described Second pulse circuit, and the count transmitted end of described counting chip is connected with the input of described NAND gate switch, and the logic output terminal of described NAND gate switch is connected with described resistance R15; The output of described microwave induced circuit is connected with the clear terminal of described counting chip.
In conjunction with first aspect, the utility model embodiment provides the 7th kind of possible execution mode of first aspect, wherein, described Second pulse circuit comprises: base chip, adjustable resistance R1, resistance R2, resistance R4, resistance R9, diode D1, diode D2, electric capacity C1 and electric capacity C2 when first; When described first, the control voltage pin of base chip is by described electric capacity C1 ground connection; When described first, the high trigger pin of base chip and low trigger pin are by described electric capacity C2 ground connection; Described adjustable resistance R1, described resistance R2, described resistance R4 and described diode D1 are series between DC power supply and described electric capacity C2 successively, and the negative electrode of described diode D1 is connected with described resistance R4, and anode is connected with described electric capacity C2; When described first, the electric discharge pin of base chip is connected on the series connection node of described resistance R2 and described resistance R4; The anode of described diode D2 is connected with described electric discharge pin, and negative electrode is by described electric capacity C2 ground connection; When described resistance R9 is connected to described DC power supply and described first base chip output pin between.
In conjunction with first aspect, the utility model embodiment provides the 8th kind of possible execution mode of first aspect, wherein, described brightness regulating circuit comprises: base chip, resistance R5, adjustable resistance R6, resistance R8, resistance R11, diode D3, diode D4, electric capacity C3 and electric capacity C4 when second; When described second, the control voltage pin of base chip is by described electric capacity C3 ground connection; When described second, the high trigger pin of base chip and low trigger pin are by described electric capacity C4 ground connection; Described resistance R5, described adjustable resistance R6, described resistance R8 and described diode D3 are series between DC power supply and described electric capacity C4 successively, and the negative electrode of described diode D3 is connected with described resistance R8, and anode is connected with described electric capacity C4; When described second, the electric discharge pin of base chip is connected on the adjustment contact of described adjustable resistance; The anode of described diode D4 is connected with described electric discharge pin, and negative electrode is by described electric capacity C4 ground connection; When described resistance R11 is connected to described DC power supply and described second base chip output pin between.
Second aspect, the utility model embodiment still provides a kind of LED light device, comprises above-mentioned LED road lamp controller and LED; LED driver in described LED road lamp controller is connected with described LED.
The LED road lamp controller of the utility model embodiment and LED light device, when sensing motive objects, send start signal, control LED is opened, and the brightness of LED can be regulated by brightness regulated signal, can also by the mode of timing, when nobody passes through for a long time, close LED, thus can find out, the scheme of the utility model embodiment can pass through situation by motive objects, regulate the unlatching of LED, close and brightness, continue to be held open state compared to LED, can when ensureing lighting demand, reduce the power consumption of LED.
For making above-mentioned purpose of the present utility model, feature and advantage become apparent, preferred embodiment cited below particularly, and coordinate appended accompanying drawing, be described in detail below.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 shows a kind of structural representation of LED road lamp controller in the utility model embodiment;
Fig. 2 shows the another kind of structural representation of LED road lamp controller in the utility model embodiment;
Fig. 3 shows the circuit diagram of LED road lamp controller in the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.The assembly of the utility model embodiment describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiment of the present utility model provided in the accompanying drawings and the claimed scope of the present utility model of not intended to be limiting, but selected embodiment of the present utility model is only represented.Based on embodiment of the present utility model, the every other embodiment that those skilled in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
At present, LED, with its advantage such as low energy consumption, high brightness, has been widely applied in the field such as street lamp, square.Compare conventional high-tension sodium vapor lamp, the efficiency of LED will exceed a lot.Use LED street lamp, high-pressure sodium lamp can have been used than in the past to save many electric energy.But can't accomplish very long the useful life of LED at present, be kept on all street lamp at dead of night simultaneously, the significant wastage beyond doubt to electric energy.
In order to overcome in correlation technique after public domain lighting device opens, even if under the long-time situation that nobody passes through, still be held open state, the technical problem of the power supply waste caused, the utility model embodiments provides a kind of LED road lamp controller, LED can be made by this control circuit, motive objects by time be held open state, brightness is turned down in the certain hour that nobody passes through, when nobody passes through for a long time, close LED, thus under the prerequisite meeting lighting demand, reach the object reducing LED electrical source consumption.
Be described in detail below with reference to the LED road lamp controller of accompanying drawing to the utility model embodiment.
As shown in Figure 1, the LED road lamp controller of the utility model embodiment, comprising: LED driver 1, logic control circuit 3 and Switching Power Supply 2; Wherein Switching Power Supply 2, for providing supply power voltage for logic control circuit 3; Logic control circuit 3, during for sensing motive objects, sends start signal; Also for generation of timing signal and brightness regulated signal; LED driver 1, under the effect of start signal, timing signal and/or brightness regulated signal, driving LED lamp 4 is opened, brightness regulation and closedown.
Above-mentioned LED road lamp controller, when sensing motive objects, send start signal, control LED 4 to open, and the brightness of LED 4 can be regulated by brightness regulated signal, can also by the mode of timing, when nobody passes through for a long time, close LED 4, thus can to find out, above-mentioned LED control circuit can pass through situation by motive objects, regulate the unlatching of LED 4, closedown and brightness, continuing to be held open state compared to LED 4, when ensureing lighting demand, the power consumption of LED 4 can be reduced.
The logical circuitry of LED control circuit as shown in Figure 2, as can be seen from the figure, comprises at logic control circuit 3: microwave induced circuit 31, timing circuit 32, brightness regulating circuit 33 and logic selection circuit 34; Microwave induced circuit 31, timing circuit 32 and brightness regulating circuit 33 are parallel between Switching Power Supply 2 and logic selection circuit 34; Logic selection circuit 34 is also connected with LED driver 1.
Wherein, motive objects can be responded to by microwave induced circuit 31, when it senses that motive objects passes through, export start signal, start signal can output in LED driver 1 and open with driving LED by logic selection circuit 34, after special LED 4 opens given time, microwave induced circuit 31 can stop exporting start signal.
Timing circuit 32 in LED control circuit, for exporting timing signal, its time can passed through nobody carries out timing; Brightness regulating circuit 33, for output brightness conditioning signal, logic selection circuit 34 can control brightness regulation and the closedown of LED 4 according to timing signal and brightness regulated signal, such as, when the time that nobody passes through in setting-up time scope time, utilize brightness regulated signal to turn down the brightness of LED 4, when the time that nobody passes through exceeds setting-up time scope, LED 4 can be controlled and close.
Above-mentioned microwave induced circuit 31 comprises microwave sensor, thus can by microblogging inductor induction motive objects by situation, wherein when microwave sensor sense motive objects by time, its output low level, this low level as enabling signal, can control the unlatching of LED 4.
The present embodiment additionally provides a kind of concrete structure of timing circuit 32, wherein comprises at timing circuit 32: Second pulse circuit and counter circuit; The pulse output end of Second pulse circuit is connected with the counting input end of counter circuit, thus can be input in counter circuit by pulse per second (PPS), produces by counter circuit the object that count results reaches timing; The logic output terminal of counter circuit is connected with the input of logic selection circuit 34, during for stopping exporting start signal at microwave induced circuit 31, starts timing; When also reaching set point for timing, send shutdown signal to logic selection circuit 34.
Brightness regulating circuit 33 is connected with the input of logic selection circuit 34, in the timing course of timing circuit 32, to logic selection circuit 34 output brightness conditioning signal.
Thus, can be realized by above-mentioned circuit structure, when motive objects passes through, LED 4 total power is opened, and keeps given time; When the LED 4 total power opening time reaches given time, timing circuit 32 starts timing, can be set in default time range, according to the brightness of the brightness regulated signal reduction LED 4 that brightness regulating circuit 33 exports, when exceeding setting-up time scope, close LED 4, thus realize opening LED 4, closing and the automatic control of brightness regulation, realize energy-saving and cost-reducing effect.
A kind of particular circuit configurations of LED 4 control circuit is additionally provided in the present embodiment, as shown in Figure 3, the primary structure of this circuit comprises: LED driver 1, logic control circuit 3 and Switching Power Supply 2, wherein above-mentioned logic control circuit 3 comprises microwave induced circuit 31, timing circuit 32, brightness regulating circuit 33 and logic selection circuit 34, its logic connecting relation is same as described above, is described in detail below by the specific implementation of each circuit and annexation.
As shown in Figure 3, logic selection circuit comprises: triode Q2, triode Q3, resistance R13, resistance R15, resistance R12 and resistance R7; Resistance R12 and resistance R7 is series between brightness regulating circuit and LED driver successively; The base stage of triode Q2 is connected with one end of resistance R13, and the other end of resistance R13 is connected with the output of microwave induced circuit; The collector electrode of triode Q2 is connected with LED driver, triode Q2 emitter connect DC power supply; The base stage of triode Q3 is connected with one end of resistance R15, and the other end of resistance R15 is connected with the output of timing circuit; The grounded emitter of triode Q3, collector electrode is connected on the series connection node of resistance R12 and resistance R7.
Above-mentioned counter circuit comprises: counting chip and NAND gate switch; Counting chip counting input end is connected with the pulse output end of Second pulse circuit, and the count transmitted end of counting chip is connected with the input of NAND gate switch, and the logic output terminal of NAND gate switch is connected with resistance R15; The output of microwave induced circuit is connected with the clear terminal of counting chip.
Second pulse circuit comprises: base chip, adjustable resistance R1, resistance R2, resistance R4, resistance R9, diode D1, diode D2, electric capacity C1 and electric capacity C2 when first; When first, the control voltage pin of base chip is by electric capacity C1 ground connection; When first, the high trigger pin of base chip and low trigger pin are by electric capacity C2 ground connection; Adjustable resistance R1, resistance R2, resistance R4 and diode D1 are series between DC power supply and electric capacity C2 successively, and the negative electrode of diode D1 is connected with resistance R4, and anode is connected with electric capacity C2; When first, the electric discharge pin of base chip is connected on the series connection node of resistance R2 and resistance R4; The anode of diode D2 is connected with electric discharge pin, and negative electrode is by electric capacity C2 ground connection; When resistance R9 is connected to DC power supply and first base chip output pin between.
As shown in Figure 3, brightness regulating circuit comprises: base chip, resistance R5, adjustable resistance R6, resistance R8, resistance R11, diode D3, diode D4, electric capacity C3 and electric capacity C4 when second; When second, the control voltage pin of base chip is by electric capacity C3 ground connection; When second, the high trigger pin of base chip and low trigger pin are by electric capacity C4 ground connection; Resistance R5, adjustable resistance R6, resistance R8 and diode D3 are series between DC power supply and electric capacity C4 successively, and the negative electrode of diode D3 is connected with resistance R8, and anode is connected with electric capacity C4; When second, the electric discharge pin of base chip is connected on the adjustment contact of adjustable resistance; The anode of diode D4 is connected with electric discharge pin, and negative electrode is by electric capacity C4 ground connection; When resistance R11 is connected to DC power supply and second base chip output pin between.
The course of work of the above-mentioned LED road lamp controller of the present embodiment is as follows: microwave induced circuit uses the microwave sensor of current comparative maturity, when there being mobile object, the signal output pin meeting output logic 0 of microwave sensor, and set time range (as 30s) can be continued, if repeated trigger in the time range that this is set, timing also can restart, and can make LED full power operation in this period.
When microwave sensor triggers, output pin output logic 0, the triode Q2 conducting now in logic selection circuit, the collector electrode of triode Q2 becomes logical one, LED driver is outputted to, the enable work of LED driver, LED full power operation by logic output terminal mouth.
After reaching above-mentioned given time scope (30s described above), if do not have mobile object through microwave sensor, its output pin recovers logical one, and triode Q2 ends, and now NAND gate switch U4 exports as logical zero, and triode Q3 ends.So now the signal of logic output terminal mouth comes from U2 pierce circuit, pierce circuit is realized by NE555 chip, produces the pulse signal of a 1KHz, can change the duty ratio of pulse signal from 14.3% to 85.7% by adjustment potentiometer R6.This pulse signal is input to LED driver by logic output terminal mouth, makes LED driver be operated in PWM mode, and by adjustment potentiometer R6, just can realize the adjustment to LED luminance, LED street lamp is dimmed, enters low power mode of operation.
While microwave sensor output logic 1, counter U3 starts working, and the Second pulse circuit that the CLK signal of U3 is made up of U1 provides, and impulse circuit general principle and the U2 of U1 formation are similar.Can be realized the adjustment of signal period from 1s to 22s of pulse output end by adjustment potentiometer R1, this pulse signal is input to the CLK pin of U3 through resistance R10.It is 8421 modes that the Q0 ~ Q3 of U3 exports, and namely after full 15 pulses of U3 meter, U4 output pin 6 just becomes logical one.So whole timing circuit timing cycle is 15s to 330s.Arrive when the time-count cycle of counter U3, the whole output logic 1 of pin Q0 ~ Q3, logical AND chip U4 pin 6 exports and becomes logical one, triode Q1 conducting, and the CLK pin of U3 becomes logical zero, and U3 stops counting.Triode Q3 also conducting simultaneously, logic circuit output end mouth output logic 0, LED driver anergy is closed, and LED is extinguished.Wait for that microwave remote sensor triggers and enter subsequent work circulation.
The utility model embodiment still provides a kind of LED light device, comprises above-mentioned LED road lamp controller and LED; LED driver in LED road lamp controller is connected with LED, regulates LED to open, closes and the effect of brightness regulation, and then play the effect reducing LED power consumption owing to have employed above-mentioned LED road lamp controller in this LED light device thus playing.
The LED road lamp controller of the utility model embodiment, application discrete component and logical device realize the design of LED in total power, non-total power, the conversion of zero energy tri-state, effectively reduce the consumption of electric energy, and extend the useful life of LED street lamp.
The LED road lamp controller of the utility model embodiment can make LED meet lighting demand, someone or car are through out-of-date, street lamp reaches rapidly 100% brightness, nobody or car become a brightness adjustable in 14.3% ~ 85.7% scope through out-of-date brightness, lasting nobody or car exceed (45s ~ 360s) time, LED extinguishes, especially when night have a very long time do not use lighting device time, a large amount of electric energy can be saved.
In addition, because LED is not operated in full load condition always, the useful life of LED can therefore effectively be extended.
The utility model method is simple, can not be designed person well and grasps and be applied in actual design.
Above; be only embodiment of the present utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of claim.
Claims (10)
1. a LED road lamp controller, is characterized in that, comprising: LED driver, logic control circuit and Switching Power Supply;
Described Switching Power Supply, for providing supply power voltage for described logic control circuit;
Described logic control circuit, during for sensing motive objects, sends start signal; Also for generation of timing signal and brightness regulated signal;
Described LED driver, under the effect of described start signal, described timing signal and/or described brightness regulated signal, the unlatching of driving LED lamp, brightness regulation and closedown.
2. LED road lamp controller according to claim 1, is characterized in that, described logic control circuit comprises: microwave induced circuit, timing circuit, brightness regulating circuit and logic selection circuit;
Described microwave induced circuit, described timing circuit and described brightness regulating circuit are parallel between described Switching Power Supply and described logic selection circuit;
Described logic selection circuit is also connected with described LED driver;
Described microwave induced circuit, during for sensing motive objects, exports start signal;
Described timing circuit, for exporting timing signal;
Described brightness regulating circuit, for output brightness conditioning signal;
Described logic selection circuit, opens to drive described LED for described start signal being transferred to described LED driver; Also for described timing signal and described brightness regulated signal being transferred to described LED driver to regulate the brightness of described LED or to make described LED close.
3. LED road lamp controller according to claim 2, is characterized in that, described microwave induced circuit comprises microwave sensor;
The output of described microwave sensor is connected with the input of described logic selection circuit, during for sensing motive objects, exports start signal.
4. LED road lamp controller according to claim 2, is characterized in that, described timing circuit comprises: Second pulse circuit and counter circuit;
The pulse output end of described Second pulse circuit is connected with the counting input end of described counter circuit;
The logic output terminal of described counter circuit is connected with the input of described logic selection circuit, for when described microwave induced circuit stops exporting start signal, starts timing; When also reaching set point for timing, send shutdown signal to described logic selection circuit.
5. LED road lamp controller according to claim 4, it is characterized in that, described brightness regulating circuit is connected with the input of described logic selection circuit, in the timing course of described timing circuit, to described logic selection circuit output brightness conditioning signal.
6. LED road lamp controller according to claim 4, is characterized in that, described logic selection circuit comprises: triode Q2, triode Q3, resistance R13, resistance R15, resistance R12 and resistance R7;
Described resistance R12 and described resistance R7 is series between described brightness regulating circuit and described LED driver successively;
The base stage of described triode Q2 is connected with one end of described resistance R13, and the other end of described resistance R13 is connected with the output of described microwave induced circuit; The collector electrode of described triode Q2 is connected with described LED driver, described triode Q2 emitter connect DC power supply;
The base stage of described triode Q3 is connected with one end of described resistance R15, and the other end of described resistance R15 is connected with the output of described timing circuit; The grounded emitter of described triode Q3, collector electrode is connected on the series connection node of described resistance R12 and described resistance R7.
7. LED road lamp controller according to claim 6, is characterized in that, described counter circuit comprises: counting chip and NAND gate switch;
Described counting chip counting input end is connected with the pulse output end of described Second pulse circuit, and the count transmitted end of described counting chip is connected with the input of described NAND gate switch, and the logic output terminal of described NAND gate switch is connected with described resistance R15;
The output of described microwave induced circuit is connected with the clear terminal of described counting chip.
8. LED road lamp controller according to claim 7, is characterized in that, described Second pulse circuit comprises: base chip, adjustable resistance R1, resistance R2, resistance R4, resistance R9, diode D1, diode D2, electric capacity C1 and electric capacity C2 when first;
When described first, the control voltage pin of base chip is by described electric capacity C1 ground connection;
When described first, the high trigger pin of base chip and low trigger pin are by described electric capacity C2 ground connection;
Described adjustable resistance R1, described resistance R2, described resistance R4 and described diode D1 are series between DC power supply and described electric capacity C2 successively, and the negative electrode of described diode D1 is connected with described resistance R4, and anode is connected with described electric capacity C2;
When described first, the electric discharge pin of base chip is connected on the series connection node of described resistance R2 and described resistance R4;
The anode of described diode D2 is connected with described electric discharge pin, and negative electrode is by described electric capacity C2 ground connection;
When described resistance R9 is connected to described DC power supply and described first base chip output pin between.
9. LED road lamp controller according to claim 4, is characterized in that, described brightness regulating circuit comprises: base chip, resistance R5, adjustable resistance R6, resistance R8, resistance R11, diode D3, diode D4, electric capacity C3 and electric capacity C4 when second;
When described second, the control voltage pin of base chip is by described electric capacity C3 ground connection;
When described second, the high trigger pin of base chip and low trigger pin are by described electric capacity C4 ground connection;
Described resistance R5, described adjustable resistance R6, described resistance R8 and described diode D3 are series between DC power supply and described electric capacity C4 successively, and the negative electrode of described diode D3 is connected with described resistance R8, and anode is connected with described electric capacity C4;
When described second, the electric discharge pin of base chip is connected on the adjustment contact of described adjustable resistance;
The anode of described diode D4 is connected with described electric discharge pin, and negative electrode is by described electric capacity C4 ground connection;
When described resistance R11 is connected to described DC power supply and described second base chip output pin between.
10. a LED light device, is characterized in that, comprises the LED road lamp controller as described in any one of claim 1 to 9 and LED;
LED driver in described LED road lamp controller is connected with described LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520453715.2U CN204795739U (en) | 2015-06-29 | 2015-06-29 | LED street lamp controller and LED lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520453715.2U CN204795739U (en) | 2015-06-29 | 2015-06-29 | LED street lamp controller and LED lighting device |
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| CN204795739U true CN204795739U (en) | 2015-11-18 |
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| CN201520453715.2U Expired - Fee Related CN204795739U (en) | 2015-06-29 | 2015-06-29 | LED street lamp controller and LED lighting device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105491711A (en) * | 2015-12-21 | 2016-04-13 | 佛山市南海区联合广东新光源产业创新中心 | Drive circuit for LED with adjustable light source |
| CN106211520A (en) * | 2016-08-31 | 2016-12-07 | 广州星辰热能股份有限公司 | A kind of Intelligent energy-saving lighting device and control method thereof |
| CN108055026A (en) * | 2018-01-03 | 2018-05-18 | 广州爱易学智能信息科技有限公司 | Library intelligence manages system |
-
2015
- 2015-06-29 CN CN201520453715.2U patent/CN204795739U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105491711A (en) * | 2015-12-21 | 2016-04-13 | 佛山市南海区联合广东新光源产业创新中心 | Drive circuit for LED with adjustable light source |
| CN106211520A (en) * | 2016-08-31 | 2016-12-07 | 广州星辰热能股份有限公司 | A kind of Intelligent energy-saving lighting device and control method thereof |
| CN108055026A (en) * | 2018-01-03 | 2018-05-18 | 广州爱易学智能信息科技有限公司 | Library intelligence manages system |
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