CN109936895A - Solar street light intelligent control circuit - Google Patents
Solar street light intelligent control circuit Download PDFInfo
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- CN109936895A CN109936895A CN201910265965.6A CN201910265965A CN109936895A CN 109936895 A CN109936895 A CN 109936895A CN 201910265965 A CN201910265965 A CN 201910265965A CN 109936895 A CN109936895 A CN 109936895A
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- 230000005669 field effect Effects 0.000 claims abstract description 27
- 230000005611 electricity Effects 0.000 claims abstract description 11
- 239000002253 acid Substances 0.000 claims description 3
- 238000005286 illumination Methods 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Classifications
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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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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Abstract
The invention discloses a kind of solar street light intelligent control circuits, characterized by comprising: solar panel ZC1, resistance R1- resistance R20, capacitor C1, capacitor C2, battery, diode D1, diode D2, diode D3, field-effect tube VT1, red luminotron LED1, white luminous pipe LED2-LED13.Circuit design of the present invention is reasonable, can be realized the intelligent control of street lamp, and can reach the too low defencive function of battery voltage, being capable of using electricity wisely.
Description
Technical field
The present invention relates to controller for road lamp technical field, specially a kind of solar street light intelligent control circuit.
Background technique
Existing solar street light is all using solar energy equipment using daytime to storage battery power supply, at night again by battery
Street lamp is powered.This control mode is simple and convenient, need to only close in the switch for directly opening all street lamps at dusk, early morning
It closes, can be achieved with.But battery is constantly in charged state, and the service life is all shorter, is easily damaged.
Summary of the invention
For the present invention in order to solve the deficiencies in the prior art, providing one kind has saving power resource, protects battery
Solar street light intelligent control circuit.
A kind of solar street light intelligent control circuit, comprising: solar panel ZC1, resistance R1- resistance R20, capacitor
C1, capacitor C2, battery, diode D1, diode D2, diode D3, field-effect tube VT1, red luminotron LED1, white
Luminous tube LED2-LED13；
Wherein, the one end resistance R1 and diode D1 anode are connected to the positive terminal of solar panel ZC1, solar panel
The negative pole end of ZC1 is grounded；The resistance R1 other end and the one end resistance R2 are connected to triode Q1 base stage, the resistance R2 other end and
Triode Q1 emitter is grounded, and the diode D1 cathode is respectively connected to red luminotron LED1 anode, the one end resistance R4, three
Pole pipe Q3 emitter, accumulator positive be extreme, the one end resistance R16, triode Q9 emitter and white luminous pipe LED2-LED13 just
Pole, the red luminotron LED1 cathode are respectively connected to triode Q1 collector and triode Q2 base stage through resistance R3, and described three
Pole pipe Q2 emitter is connected to triode Q1 emitter, the triode Q2 collector through resistance R5 be connected to the resistance R4 other end and
Triode Q3 base stage, the triode Q3 collector are connected to diode D2 cathode, the one end resistance R6, diode D3 anode and electricity
The one end R7, the resistance R7 other end ground connection are hindered, the diode D2 anode, the resistance R6 other end and the one end capacitor C1 connect
To triode Q4 base stage, capacitor C1 other end ground connection, the triode Q4 collector is respectively connected to the one end resistance R8 and resistance R9
One end, the resistance R8 is another to be connected to triode Q5 base stage, triode Q5 emitter ground connection, triode Q5 collector difference
It is connected to the resistance R16 other end, the one end resistance R10 and triode Q9 base stage, the resistance R10 is another to be connected to triode Q6 current collection
Pole, triode Q6 emitter ground connection, triode Q6 base stage are connected to resistance R11 and the one end resistance R12, and resistance R11 is another to be connected to
Triode Q9 collector, resistance R12 other end ground connection, the triode Q9 collector are also connected to triode Q7 collector and three
Pole pipe Q8 collector；
The resistance R9 is another to be connected to triode Q7 base stage, and the triode Q7 emitter is connected to resistance C2 and resistance
The one end R13, capacitor C2 other end ground connection, resistance R13 is another to be connected to triode Q8 base stage, and triode Q8 emitter is through resistance
R14 is connected to the one end resistance R15 and field-effect tube VT1 grid, the field-effect tube VT1 source level ground connection, the field-effect tube VT1 leakage
Grade is connected to white luminous pipe LED2-LED13 anode cathode through resistance R17-R20.
The battery is 12V battery, can choose lead-acid accumulator.
The resistance R16 other end and the one end resistance R10 add Q9 base stage to connect with triode.
The white luminous pipe LED2-LED13 points are four groups, and every group is connected in series by 4 LED.
Working principle:
After the illumination of the sun is mapped on solar panels, the voltage output two-way through solar panels output 5V or so, all the way
It is connected to the base stage of triode Q1 through resistance R1 and resistance R2 partial pressure output about 0.7V voltage, triode Q1 is connected, triode
Q1 collector exports low level, and LED1 red luminotron is made to shine, and is represented to the charging of DC 12V battery while making triode Q6
Cut-off, triode Q7 cut-off, triode Q8 cut-off make field-effect tube VT1 be also at off state, keep LED2-LED13 white
Luminous tube does not shine, and the another way voltage of solar panels output is exported through diode D1 cathode to be filled directly to DC 12V battery
Electricity；
After dusk darkness is without solar irradiation, because of the illumination of no sun on solar panels, the voltage that is exported on solar panels
Very low, voltage makes triode Q1 base stage no-voltage close to zero volt after resistance R1 and resistance R2 partial pressure, ends triode Q1,
Cathode of the DC 12V battery voltage through LED1 is connected triode Q2, triode Q2 through resistance R3 to the base stage of triode Q2
Collector, which exports low level, reduces the voltage of resistance R4 through resistance R5, makes the reduction of triode Q3 base voltage, makes triode Q3
Conducting, triode Q3 collector output HIGH voltage divide two-way, make triode Q4 while charging all the way through resistance R6 to capacitor C1
Base stage must conduct, and the high voltage another way of triode Q3 collector output is connected to the hair of triode Q4 through diode D3 cathode
Emitter-base bandgap grading, triode Q4 is connected after triode Q4 base stage obtains electric, and triode Q4 collector output HIGH voltage divides two-way, electric all the way
Pressure makes triode Q5 saturation conduction, supplies that triode Q9 base voltage through resistance R16 through resistance R8 to the base stage of triode Q5
The high voltage given is after triode Q5 saturation conduction, the transmitting of triode Q5 extremely low level, becomes triode Q9 base voltage
Change, triode Q9 is connected, triode Q9 collector output HIGH voltage divides two-way, and voltage is through resistance R11 and resistance R12 points all the way
Pressure is connected to the base stage of triode Q6, is saturated triode Q6, and triode Q6 collector, which exports low level, makes three poles through resistance R10
Pipe Q9 base stage keeps low level, is held on triode Q9, when the voltage of triode Q9 collector output is lower than 10.5V,
After resistance R11 and resistance R12 are connected to triode Q6 base voltage lower than 0.5V, triode Q5 cut-off cuts triode Q9
Only, to play the too low disconnection LED light power supply of battery voltage, reach the too low defencive function of battery voltage；
Wherein, the another way voltage that triode Q9 collector exports is powered to triode Q7 and triode Q8 collector；
The voltage another way of triode Q4 collector output is connected to the base stage of triode Q7 through resistance R9, makes triode Q7
Conducting is connected to triode Q8 base stage through resistance R13 while triode Q7 emitter output HIGH voltage charges to capacitor C2, makes
Triode Q8 conducting, triode Q8 emitter output voltage are connected to the grid (G) of field-effect tube VT1, field-effect through resistance R14
Pipe VT1 saturation, field-effect tube VT1 drain (D) export low level, so that the white luminous pipe work once electrified of LED2-LED13 is shone, road
Lamp is lighted；
When capacitor C1 is fully charged after one minute, triode Q4 cut-off, triode Q7 cut-off, but at this time capacitor C2 by
Fully charged, capacitor C2 will pass through the base stage of resistance R13 to triode Q8, and triode Q8 emitter is through resistance R14 to field-effect tube
The grid of VT1, field-effect tube VT1 source level (S) make LED street lamp keep lighting lamp state to ground electric discharge；
When after a certain time, after about 4 hours, capacitor C2 electricity is discharged, triode Q8 cut-off makes field-effect tube VT1
Cut-off, LED street lamp are turned off the light；
After having solar irradiation to be mapped on solar panels within second day, 15V voltage is exported on solar panels, keeps triode Q1 full
With rear, triode Q2 cut-off, triode Q3 cut-off, the voltage being full of on capacitor C1 will be connected by diode D2 after through resistance
R7 presses electricity for charged on capacitor C1 to ground moment, and resistance R7 is capacitor C1 discharge resistance, and diode D2 is capacitor C1 electric discharge
Access diode.
Compared with prior art, the beneficial effects of the present invention are: circuit design of the present invention is reasonable, it can be realized the intelligence of street lamp
It can control, and the too low defencive function of battery voltage can be reached, it being capable of using electricity wisely.
Detailed description of the invention
Fig. 1 is electrical block diagram of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In description of the invention, it should be noted that the orientation of the instructions such as term "vertical", "upper", "lower", "horizontal" or
Person's positional relationship is orientation based on the figure or positional relationship, is merely for convenience of this practical and simplified description of description,
Rather than the device or element of instruction or hint meaning must have a particular orientation, and are constructed and grasped with specific orientation
Make, therefore is not considered as limiting the invention.In addition, " first ", " second ", " third ", " the 4th " are only used for description mesh
, and should not be understood as indicating or implying relative importance.
In description of the invention, it is also necessary to explanation, unless otherwise specific regulation and limitation, term " setting ", " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection, can be mechanical connection, is also possible to be electrically connected, can be and be directly connected to, and be also possible to be connected by intermediary, can
To be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned
The concrete meaning of term in the present invention.
Please refer to Fig. 1:
A kind of solar street light intelligent control circuit, comprising: solar panel ZC1, resistance R1- resistance R20, capacitor
C1, capacitor C2, battery, diode D1, diode D2, diode D3, field-effect tube VT1, red luminotron LED1, white
Luminous tube LED2-LED13；
Wherein, the one end resistance R1 and diode D1 anode are connected to the positive terminal of solar panel ZC1, solar panel
The negative pole end of ZC1 is grounded；The resistance R1 other end and the one end resistance R2 are connected to triode Q1 base stage, the resistance R2 other end and
Triode Q1 emitter is grounded, and the diode D1 cathode is respectively connected to red luminotron LED1 anode, the one end resistance R4, three
Pole pipe Q3 emitter, accumulator positive be extreme, the one end resistance R16, triode Q9 emitter and white luminous pipe LED2-LED13 just
Pole, the red luminotron LED1 cathode are respectively connected to triode Q1 collector and triode Q2 base stage through resistance R3, and described three
Pole pipe Q2 emitter is connected to triode Q1 emitter, the triode Q2 collector through resistance R5 be connected to the resistance R4 other end and
Triode Q3 base stage, the triode Q3 collector are connected to diode D2 cathode, the one end resistance R6, diode D3 anode and electricity
The one end R7, the resistance R7 other end ground connection are hindered, the diode D2 anode, the resistance R6 other end and the one end capacitor C1 connect
To triode Q4 base stage, capacitor C1 other end ground connection, the triode Q4 collector is respectively connected to the one end resistance R8 and resistance R9
One end, the resistance R8 is another to be connected to triode Q5 base stage, triode Q5 emitter ground connection, triode Q5 collector difference
It is connected to the resistance R16 other end, the one end resistance R10 and triode Q9 base stage, the resistance R10 is another to be connected to triode Q6 current collection
Pole, triode Q6 emitter ground connection, triode Q6 base stage are connected to resistance R11 and the one end resistance R12, and resistance R11 is another to be connected to
Triode Q9 collector, resistance R12 other end ground connection, the triode Q9 collector are also connected to triode Q7 collector and three
Pole pipe Q8 collector；
The resistance R9 is another to be connected to triode Q7 base stage, and the triode Q7 emitter is connected to resistance C2 and resistance
The one end R13, capacitor C2 other end ground connection, resistance R13 is another to be connected to triode Q8 base stage, and triode Q8 emitter is through resistance
R14 is connected to the one end resistance R15 and field-effect tube VT1 grid, the field-effect tube VT1 source level ground connection, the field-effect tube VT1 leakage
Grade is connected to white luminous pipe LED2-LED13 anode cathode through resistance R17-R20.
The battery is 12V battery, can choose lead-acid accumulator.
The resistance R16 other end and the one end resistance R10 add Q9 base stage to connect with triode.
The white luminous pipe LED2-LED13 points are four groups, and every group is connected in series by 4 LED.
Working principle:
After the illumination of the sun is mapped on solar panels, the voltage output two-way through solar panels output 5V or so, all the way
It is connected to the base stage of triode Q1 through resistance R1 and resistance R2 partial pressure output about 0.7V voltage, triode Q1 is connected, triode
Q1 collector exports low level, and LED1 red luminotron is made to shine, and is represented to the charging of DC 12V battery while making triode Q6
Cut-off, triode Q7 cut-off, triode Q8 cut-off make field-effect tube VT1 be also at off state, keep LED2-LED13 white
Luminous tube does not shine, and the another way voltage of solar panels output is exported through diode D1 cathode to be filled directly to DC 12V battery
Electricity；
After dusk darkness is without solar irradiation, because of the illumination of no sun on solar panels, the voltage that is exported on solar panels
Very low, voltage makes triode Q1 base stage no-voltage close to zero volt after resistance R1 and resistance R2 partial pressure, ends triode Q1,
Cathode of the DC 12V battery voltage through LED1 is connected triode Q2, triode Q2 through resistance R3 to the base stage of triode Q2
Collector, which exports low level, reduces the voltage of resistance R4 through resistance R5, makes the reduction of triode Q3 base voltage, makes triode Q3
Conducting, triode Q3 collector output HIGH voltage divide two-way, make triode Q4 while charging all the way through resistance R6 to capacitor C1
Base stage must conduct, and the high voltage another way of triode Q3 collector output is connected to the hair of triode Q4 through diode D3 cathode
Emitter-base bandgap grading, triode Q4 is connected after triode Q4 base stage obtains electric, and triode Q4 collector output HIGH voltage divides two-way, electric all the way
Pressure makes triode Q5 saturation conduction, supplies that triode Q9 base voltage through resistance R16 through resistance R8 to the base stage of triode Q5
The high voltage given is after triode Q5 saturation conduction, the transmitting of triode Q5 extremely low level, becomes triode Q9 base voltage
Change, triode Q9 is connected, triode Q9 collector output HIGH voltage divides two-way, and voltage is through resistance R11 and resistance R12 points all the way
Pressure is connected to the base stage of triode Q6, is saturated triode Q6, and triode Q6 collector, which exports low level, makes three poles through resistance R10
Pipe Q9 base stage keeps low level, is held on triode Q9, when the voltage of triode Q9 collector output is lower than 10.5V,
After resistance R11 and resistance R12 are connected to triode Q6 base voltage lower than 0.5V, triode Q5 cut-off cuts triode Q9
Only, to play the too low disconnection LED light power supply of battery voltage, reach the too low defencive function of battery voltage；
Wherein, the another way voltage that triode Q9 collector exports is powered to triode Q7 and triode Q8 collector；
The voltage another way of triode Q4 collector output is connected to the base stage of triode Q7 through resistance R9, makes triode Q7
Conducting is connected to triode Q8 base stage through resistance R13 while triode Q7 emitter output HIGH voltage charges to capacitor C2, makes
Triode Q8 conducting, triode Q8 emitter output voltage are connected to the grid (G) of field-effect tube VT1, field-effect through resistance R14
Pipe VT1 saturation, field-effect tube VT1 drain (D) export low level, so that the white luminous pipe work once electrified of LED2-LED13 is shone, road
Lamp is lighted；
When capacitor C1 is fully charged after one minute, triode Q4 cut-off, triode Q7 cut-off, but at this time capacitor C2 by
Fully charged, capacitor C2 will pass through the base stage of resistance R13 to triode Q8, and triode Q8 emitter is through resistance R14 to field-effect tube
The grid of VT1, field-effect tube VT1 source level (S) make LED street lamp keep lighting lamp state to ground electric discharge；
When after a certain time, after about 4 hours, capacitor C2 electricity is discharged, triode Q8 cut-off makes field-effect tube VT1
Cut-off, LED street lamp are turned off the light；
After having solar irradiation to be mapped on solar panels within second day, 15V voltage is exported on solar panels, keeps triode Q1 full
With rear, triode Q2 cut-off, triode Q3 cut-off, the voltage being full of on capacitor C1 will be connected by diode D2 after through resistance
R7 presses electricity for charged on capacitor C1 to ground moment, and resistance R7 is capacitor C1 discharge resistance, and diode D2 is capacitor C1 electric discharge
Access diode.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (5)
1. a kind of solar street light intelligent control circuit, characterized by comprising: solar panel ZC1, resistance R1- resistance
R20, capacitor C1, capacitor C2, battery, diode D1, diode D2, diode D3, field-effect tube VT1, red luminotron
LED1, white luminous pipe LED2-LED13；
Wherein, the one end resistance R1 and diode D1 anode are connected to the positive terminal of solar panel ZC1, solar panel ZC1
Negative pole end ground connection；The resistance R1 other end and the one end resistance R2 are connected to triode Q1 base stage, the resistance R2 other end and three
Pole pipe Q1 emitter is grounded, and the diode D1 cathode is respectively connected to red luminotron LED1 anode, the one end resistance R4, three poles
Pipe Q3 emitter, accumulator positive be extreme, the one end resistance R16, triode Q9 emitter and white luminous pipe LED2-LED13 anode,
The red luminotron LED1 cathode is respectively connected to triode Q1 collector and triode Q2 base stage, the triode through resistance R3
Q2 emitter is connected to triode Q1 emitter, and the triode Q2 collector is connected to the resistance R4 other end and triode through resistance R5
Q3 base stage, the triode Q3 collector are connected to diode D2 cathode, the one end resistance R6, diode D3 anode and resistance R7 mono-
End, the resistance R7 other end ground connection, the diode D2 anode, the resistance R6 other end and the one end capacitor C1 are connected to triode
Q4 base stage, capacitor C1 other end ground connection, the triode Q4 collector is respectively connected to the one end resistance R8 and the one end resistance R9, described
Resistance R8 is another to be connected to triode Q5 base stage, and triode Q5 emitter is grounded, and triode Q5 collector is respectively connected to resistance R16
The other end, the one end resistance R10 and triode Q9 base stage, the resistance R10 is another to be connected to triode Q6 collector, triode Q6
Emitter ground connection, triode Q6 base stage are connected to resistance R11 and the one end resistance R12, and resistance R11 is another to be connected to triode Q9 current collection
Pole, resistance R12 other end ground connection, the triode Q9 collector are also connected to triode Q7 collector and triode Q8 collector；
The resistance R9 is another to be connected to triode Q7 base stage, and the triode Q7 emitter is connected to resistance C2 and resistance R13 mono-
End, capacitor C2 other end ground connection, resistance R13 is another to be connected to triode Q8 base stage, and triode Q8 emitter is connected to through resistance R14
The one end resistance R15 and field-effect tube VT1 grid, the field-effect tube VT1 source level ground connection, the field-effect tube VT1 drain is through electricity
Resistance R17-R20 is connected to white luminous pipe LED2-LED13 anode cathode.
2. solar street light intelligent control circuit according to claim 1, it is characterised in that: the battery is 12V storage
Battery.
3. solar street light intelligent control circuit according to claim 2, it is characterised in that: the battery is plumbic acid
Battery.
4. solar street light intelligent control circuit according to claim 1, it is characterised in that: the resistance R16 other end
Q9 base stage is added to connect with the one end resistance R10 with triode.
5. solar street light intelligent control circuit according to claim 1, it is characterised in that: the white luminous pipe
LED2-LED13 points are four groups, and every group is connected in series by 4 LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910265965.6A CN109936895B (en) | 2019-04-03 | 2019-04-03 | Intelligent control circuit of solar street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910265965.6A CN109936895B (en) | 2019-04-03 | 2019-04-03 | Intelligent control circuit of solar street lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109936895A true CN109936895A (en) | 2019-06-25 |
| CN109936895B CN109936895B (en) | 2021-11-23 |
Family
ID=66989247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910265965.6A Active CN109936895B (en) | 2019-04-03 | 2019-04-03 | Intelligent control circuit of solar street lamp |
Country Status (1)
| Country | Link |
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| CN (1) | CN109936895B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112332518A (en) * | 2020-10-26 | 2021-02-05 | 成都华体慧城科技有限公司 | Environmental protection wisdom street lamp |
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| CN205430662U (en) * | 2015-12-03 | 2016-08-03 | 陈真 | Practical solar street lamp controller all -weather relatively |
| CN106793382A (en) * | 2016-12-02 | 2017-05-31 | 陈伟杰 | A kind of solar street light intelligence control system |
| CN207589224U (en) * | 2017-10-24 | 2018-07-06 | 兰州工业学院 | Energy-saving and environment-friendly street lamp illuminating device |
| CN108859816A (en) * | 2018-06-01 | 2018-11-23 | 六安市同心畅能电子科技有限公司 | Energy-saving control circuit with the electric car charger for repairing lead-acid battery function |
| CN208424864U (en) * | 2018-08-08 | 2019-01-22 | 郑州朗威电子科技有限公司 | Solar LED street lamp control system |
-
2019
- 2019-04-03 CN CN201910265965.6A patent/CN109936895B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205430662U (en) * | 2015-12-03 | 2016-08-03 | 陈真 | Practical solar street lamp controller all -weather relatively |
| CN106793382A (en) * | 2016-12-02 | 2017-05-31 | 陈伟杰 | A kind of solar street light intelligence control system |
| CN207589224U (en) * | 2017-10-24 | 2018-07-06 | 兰州工业学院 | Energy-saving and environment-friendly street lamp illuminating device |
| CN108859816A (en) * | 2018-06-01 | 2018-11-23 | 六安市同心畅能电子科技有限公司 | Energy-saving control circuit with the electric car charger for repairing lead-acid battery function |
| CN208424864U (en) * | 2018-08-08 | 2019-01-22 | 郑州朗威电子科技有限公司 | Solar LED street lamp control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112332518A (en) * | 2020-10-26 | 2021-02-05 | 成都华体慧城科技有限公司 | Environmental protection wisdom street lamp |
| CN112332518B (en) * | 2020-10-26 | 2021-10-22 | 成都华体慧城科技有限公司 | Environmental protection wisdom street lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109936895B (en) | 2021-11-23 |
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