CN107660040B - Solar street light and control method - Google Patents
Solar street light and control method Download PDFInfo
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- CN107660040B CN107660040B CN201710884195.4A CN201710884195A CN107660040B CN 107660040 B CN107660040 B CN 107660040B CN 201710884195 A CN201710884195 A CN 201710884195A CN 107660040 B CN107660040 B CN 107660040B
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
- F21S9/03—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light
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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
-
- 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
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Solar street light provided by the invention and control method are related to solar street light control technology field.Wherein, solar street light includes photovoltaic power generation plate, battery, street lamp, voltage conversion circuit, discharge circuit, charging circuit and control circuit；The feeder ear of the anode connection of the input terminal of voltage conversion circuit and photovoltaic power generation plate, output end and control circuit connects；The anode of battery is connect with the anode of photovoltaic power generation plate, cathode is connected by charging circuit and the cathode of photovoltaic power generation plate；The anode of street lamp is connect with the anode of battery, cathode is connected by the cathode of discharge circuit and battery；The output end of control circuit and the control terminal of charging circuit and the control terminal of discharge circuit are separately connected, and control battery to the discharge condition of street lamp to the charged state of battery, by discharge circuit to control photovoltaic power generation plate by charging circuit.By above-mentioned setting, can solve existing solar street light has that effective operating time is of short duration.
Description
Technical field
The present invention relates to solar street light control technology fields, in particular to a kind of solar street light and controlling party
Method.
Background technique
Increasingly deficient with traditional fossil energy, the cost of investment of the basic energy is increasingly climbed to a higher point, various safety and
Pollution hidden trouble is seen everywhere, and solar energy is got more and more attention as a kind of safe and clean, sustainable use new energy.
In recent years, being constantly progressive with the development of solar-photovoltaic technology and control technology by photovoltaic power generation plate, stores
Battery, lamps and lanterns composition Solar Street Lighting System have brightness height, simple installation, it is stable and reliable in work, not cabling, do not disappear
The advantages that consuming conventional energy resource, has started the illumination for being widely used in the places such as urban road, cell road.
Through inventor the study found that the problem of considering manufacturing cost, in existing solar street light, generally there are storages
Of short duration problem of battery powered effective time, if road will be present in the area that solar irradiation duration is shorter or rainy days is more
Lamp is difficult to the problem of carrying out illumination work of continuous and effective.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of solar street light and control method, with solve it is existing too
Positive energy streetlight has that effective operating time is of short duration.
To achieve the above object, the embodiment of the present invention adopts the following technical scheme that
A kind of solar street light, including photovoltaic power generation plate, battery, street lamp, voltage conversion circuit, discharge circuit, charging
Circuit and control circuit；
The input terminal of the voltage conversion circuit is connect with the anode of the photovoltaic power generation plate, output end and the control are electric
The feeder ear on road connects；
The battery anode with the photovoltaic power generation plate anode connect, cathode pass through the charging circuit with it is described
The cathode of photovoltaic power generation plate connects；
The anode of the street lamp is connect with the anode of the battery, cathode passes through the discharge circuit and the battery
Cathode connection；
The control terminal of the control terminal and the discharge circuit of the output end of the control circuit and the charging circuit is distinguished
Connection, with by the charging circuit control the photovoltaic power generation plate to the charged state of the battery, by the electric discharge
Discharge condition of the battery described in circuit control to the street lamp.
In the embodiment of the present invention preferably selects, in above-mentioned solar street light, the charging circuit includes the first light
Electric coupler, the second photoelectrical coupler, the first field-effect tube, the second field-effect tube, third field-effect tube, the 4th field-effect tube,
First resistor, second resistance, first diode, the second diode, third diode, the 4th diode, the 5th diode and
6th diode；
The first input end of first photoelectrical coupler is connect with the output end of the voltage conversion circuit, the second input
End is connect with the output end of the control circuit, the grid of the first output end and first field-effect tube, the second field-effect tube
Grid and first diode cathode be separately connected and by the anode of the first resistor and the photovoltaic power generation plate even
It connects, second output terminal is separately connected with the anode of second diode and the anode of third diode, second diode
The source electrode of cathode and the anode of the first diode, the source electrode of the first field-effect tube and the second field-effect tube be separately connected
After be grounded, the cathode of the third diode is connect with the drain electrode of second field-effect tube；
The first input end of second photoelectrical coupler is connect with the output end of the voltage conversion circuit, the second input
End is connect with the output end of the control circuit, the grid of the first output end and the third field-effect tube, the 4th field-effect tube
Grid and the 4th diode cathode be separately connected and by the anode of the second resistance and the photovoltaic power generation plate even
It connects, second output terminal is separately connected with the anode of the 5th diode and the anode of the 6th diode, the 5th diode
Cathode and the third field-effect tube drain electrode connect after connect with the drain electrode of first field-effect tube, the six or two pole
The cathode of pipe and the anode, the source electrode of third field-effect tube and the source electrode of the 4th field-effect tube of the 4th diode connect respectively
It connects the rear cathode with the photovoltaic power generation plate to connect, the drain electrode and the drain electrode of second field-effect tube of the 4th field-effect tube
Connection.
In the embodiment of the present invention preferably selects, in above-mentioned solar street light, the charging circuit further includes third
Resistance, the 4th resistance, the 5th resistance and the 6th resistance；
The first end of the 3rd resistor connect with the first input end of first photoelectrical coupler, second end with it is described
The output end of voltage conversion circuit connects, and the first end of the 4th resistance connect with the second end of the 3rd resistor, second
End is connect with the second input terminal of first photoelectrical coupler；
The first end of 5th resistance connect with the first input end of second photoelectrical coupler, second end with it is described
The output end of voltage conversion circuit connects, and the first end of the 6th resistance connect with the second end of the 5th resistance, second
End is connect with the second input terminal of second photoelectrical coupler.
In the embodiment of the present invention preferably selects, in above-mentioned solar street light, the discharge circuit includes third light
Electric coupler, the 5th field-effect tube, the 7th resistance, the 8th resistance and the 7th diode；
The output end of the first input end of the third photoelectrical coupler and voltage conversion circuit connects, the second input terminal with
The output end of the control circuit connects, the first output end and the grid of the 5th field-effect tube and the cathode of the 7th diode
It is separately connected and passes through the 7th resistance and connect with the anode of the battery, second output terminal and the 5th field-effect tube
Source electrode and the 7th diode anode be separately connected after by the 8th resistance eutral grounding, the 5th field-effect tube
Drain electrode is connect with the cathode of the street lamp.
In the embodiment of the present invention preferably selects, in above-mentioned solar street light, the discharge circuit further includes the 9th
Resistance and the tenth resistance；
The first end of 9th resistance connect with the first input end of the third photoelectrical coupler, second end with it is described
The output end of voltage conversion circuit connects, and the first end of the tenth resistance connect with the second end of the 9th resistance, second
End is connect with the second input terminal of the third photoelectrical coupler.
In the embodiment of the present invention preferably selects, in above-mentioned solar street light, the solar street light further includes electricity
Detection circuit is pressed, the input terminal of the voltage detecting circuit connect with the discharge circuit, output end and the control circuit
Input terminal connection；
The voltage detecting circuit is used to detect the voltage value of the battery and the voltage value is sent to the control
Circuit, so that the control circuit can control the electric discharge shape of the battery according to the voltage value by the discharge circuit
State.
In the embodiment of the present invention preferably selects, in above-mentioned solar street light, the voltage detecting circuit includes fortune
Calculate amplifier, the 6th field-effect tube, eleventh resistor, twelfth resistor, thirteenth resistor and the 14th resistance；
The output end of the operational amplifier is connect simultaneously by the eleventh resistor with the input terminal of the control circuit
It is connect by the twelfth resistor and the connection of the inverting input terminal of operational amplifier, inverting input terminal by the thirteenth resistor
Ground, non-inverting input terminal are connect by the 14th resistance with the source electrode of the 6th field-effect tube, the 6th field-effect tube
Grid connect with the grid of the 5th field-effect tube, draining connect with the drain electrode of the 5th field-effect tube.
In the embodiment of the present invention preferably selects, in above-mentioned solar street light, the solar street light further includes work
Make indicating circuit；
The working indicating is connect with the output end of the control circuit, to show under the control of the control circuit
Show the voltage value of the voltage detecting circuit detection.
In the embodiment of the present invention preferably selects, in above-mentioned solar street light, the solar street light further includes distant
Control equipment and wireless communication module；
The communication connection of the output end of the input terminal of the wireless communication module and the remote control equipment, output end and the control
The input terminal of circuit processed connects, so that the control circuit can work according to the control signal of the remote control equipment.
On the basis of the above, the embodiment of the invention also provides a kind of control methods, are applied to above-mentioned solar street light, institute
The method of stating includes:
Control circuit judges that current time belongs to day or night, and obtains the voltage value of battery；
If daytime, control circuit controls the photovoltaic power generation plate to the charging shape of the battery according to the voltage value
State, the charged state include precharge, floating charging and bulk charge；And
If at night, control circuit controls the battery to the discharge condition of the street lamp, institute according to the voltage value
Discharge condition is stated to include full power electric discharge, predetermined power electric discharge and stop electric discharge.
Solar street light provided by the invention and control method, by voltage conversion circuit, discharge circuit, charging circuit with
And control circuit is equipped with, so that the charged state and discharge condition of battery be controlled effectively, it can be effectively
The energy loss in charging process and discharge process is avoided, there are effective operating time is short to solve existing solar street light
Temporary problem, and then solve to be difficult to continuous and effective in solar irradiation duration is shorter or rainy days is more regional street lamp shine
The problem of bright work, greatly improves the practicability and reliability of solar street light and control method.
Further, by the way that photoelectrical coupler and field-effect tube are arranged in charging circuit and discharge circuit, in control electricity
Under the control on road, accurately the charging and discharging of battery can be controlled, effectively improve solar street light and
The reliability and safety of control method.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
Fig. 1 is the structural block diagram of solar street light provided in an embodiment of the present invention.
Fig. 2 is the circuit diagram of voltage conversion circuit provided in an embodiment of the present invention.
Fig. 3 is the circuit diagram of charging circuit provided in an embodiment of the present invention.
Fig. 4 is the circuit diagram of discharge circuit provided in an embodiment of the present invention.
Fig. 5 is the circuit diagram of voltage detecting circuit provided in an embodiment of the present invention.
Fig. 6 is the flow diagram of control method provided in an embodiment of the present invention.
Icon: 100- solar street light；110- photovoltaic power generation plate；120- battery；130- street lamp；140- voltage conversion electricity
Road；150- charging circuit；160- discharge circuit；170- control circuit；180- voltage detecting circuit；The first photoelectric coupling of OC1-
Device；The second photoelectrical coupler of OC2-；OC3- third photoelectrical coupler；The first field-effect tube of Q1-；The second field-effect tube of Q2-；Q3-
Third field-effect tube；The 4th field-effect tube of Q4-；The 5th field-effect tube of Q5-；The 6th field-effect tube of Q6-；R1- first resistor；R2-
Second resistance；R3- 3rd resistor；The 4th resistance of R4-；The 5th resistance of R5-；The 6th resistance of R6-；The 7th resistance of R7-；R8- the 8th
Resistance；The 9th resistance of R9-；The tenth resistance of R10-；R11- eleventh resistor；R12- twelfth resistor；R13- thirteenth resistor；
The 14th resistance of R14-；D1- first diode；The second diode of D2-；D3- third diode；The 4th diode of D4-；D5-
Five diodes；The 6th diode of D6-；The 7th diode of D7-；U1- operational amplifier.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment only
It is a part of the embodiments of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings
The component of embodiment can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.In description of the invention
In, term " first ", " second ", " third ", " the 4th " etc. are only used for distinguishing description, and should not be understood as only or imply opposite
Importance.
In the description of the present invention unless specifically defined or limited otherwise, term " setting ", " connected ", " connection " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The connection in portion.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood with concrete condition
Body meaning.
As shown in Figure 1, the embodiment of the invention provides a kind of solar street light 100, including photovoltaic power generation plate 110, electric power storage
Pond 120, street lamp 130, voltage conversion circuit 140, charging circuit 150, discharge circuit 160 and control circuit 170.
Further, in the present embodiment, the input terminal of the voltage conversion circuit 140 and the photovoltaic power generation plate 110
Anode connection, output end connect with the feeder ear of the control circuit 170, the positive and photovoltaic of the battery 120
The anode connection of power generation plate 110, cathode are connect by the charging circuit 150 with the cathode of the photovoltaic power generation plate 110, described
The anode of street lamp 130 is connect with the anode of the battery 120, cathode passes through the discharge circuit 160 and the battery 120
Cathode connection, the control terminal and the discharge circuit 160 of the output end of the control circuit 170 and the charging circuit 150
Control terminal be separately connected, to control the photovoltaic power generation plate 110 to the battery 120 by the charging circuit 150
Charged state controls the battery 120 to the discharge condition of the street lamp 130 by the discharge circuit 160.
By above-mentioned setting, charged state and electric discharge that the control circuit 170 can effectively to the battery 120
State is controlled, to be effectively prevented from the energy loss in charging process and discharge process, to solve existing solar energy
Street lamp 100 has that effective operating time is of short duration, and then solves on the ground that solar irradiation duration is shorter or rainy days is more
Area's street lamp 130 is difficult to the problem of carrying out illumination work of continuous and effective.
Optionally, the electrical component that the voltage conversion circuit 140 and the control circuit 170 include is unrestricted, root
It is configured according to actual demand.In the present embodiment, the voltage conversion circuit 140 by diode, capacitor, triode with
And the electrical components such as resistance composition, physical circuit are as shown in Figure 2.The control circuit 170 is by single-chip microcontroller and relevant clock
Circuit, reset circuit, interface circuit and electrification circuit composition.
Optionally, the electrical component that the charging circuit 150 includes is unrestricted, can be according to specific in practical application
Control precision is configured.In conjunction with Fig. 3, in the present embodiment, the charging circuit 150 includes the first photoelectrical coupler OC1, the
Two photoelectrical coupler OC2, the first field-effect tube Q1, the second field-effect tube Q2, third field-effect tube Q3, the 4th field-effect tube Q4,
First resistor R1, second resistance R2, first diode D1, the second diode D2, third diode D3, the 4th diode D4,
Five diode D5 and the 6th diode D6.
Further, in the present embodiment, the first input end of the first photoelectrical coupler OC1 and the voltage are converted
The output end of circuit 140 connects, and the second input terminal is connect with the output end of the control circuit 170, the first output end with it is described
The cathode of the grid of first field-effect tube Q1, the grid of the second field-effect tube Q2 and first diode D1 is separately connected and passes through
The first resistor R1 is connect with the anode of the photovoltaic power generation plate 110, the sun of second output terminal and the second diode D2
The anode of pole and third diode D3 are separately connected, the cathode of the second diode D2 and the sun of the first diode D1
The source electrode of pole, the source electrode of the first field-effect tube Q1 and the second field-effect tube Q2 is grounded after being separately connected, the third diode
The cathode of D3 is connect with the drain electrode of the second field-effect tube Q2.The first input end of the second photoelectrical coupler OC2 and institute
The output end connection of voltage conversion circuit 140 is stated, the second input terminal is connect with the output end of the control circuit 170, and first is defeated
The cathode of the grid of outlet and the third field-effect tube Q3, the grid of the 4th field-effect tube Q4 and the 4th diode D4 is distinguished
It connects and is connect by the second resistance R2 with the anode of the photovoltaic power generation plate 110, second output terminal and the described 5th 2
The anode of the anode of pole pipe D5 and the 6th diode D6 are separately connected, and the cathode of the 5th diode D5 and the third field are imitated
Should pipe Q3 drain electrode connection after be connect with the drain electrode of the first field-effect tube Q1, the cathode of the 6th diode D6 with it is described
Anode, the source electrode of third field-effect tube Q3 and the source electrode of the 4th field-effect tube Q4 of 4th diode D4 is separately connected rear and institute
State the cathode connection of photovoltaic power generation plate 110, the drain electrode and the drain electrode of the second field-effect tube Q2 of the 4th field-effect tube Q4
Connection.
It can be high-precision under the control of the control circuit 170 by the setting of above-mentioned photoelectrical coupler and field-effect tube
Degree ground controls the charging and discharging of the battery 120, effectively improves solar street light 100 and control method
Reliability and safety.
Further, described to avoid the first photoelectrical coupler OC1 and the second photoelectrical coupler OC2 in conducting
Voltage conversion circuit 140 damages the control circuit 170, and in the present embodiment, the charging circuit 150 further includes
Three resistance R3, the 4th resistance R4, the 5th resistance R5 and the 6th resistance R6.
The first end of the 3rd resistor R3 connect with the first input end of the first photoelectrical coupler OC1, second end
It is connect with the output end of the voltage conversion circuit 140, the of the first end of the 4th resistance R4 and the 3rd resistor R3
The connection of two ends, second end are connect with the second input terminal of the first photoelectrical coupler OC1.The first end of the 5th resistance R5
It is connect with the first input end of the second photoelectrical coupler OC2, the output end company of second end and the voltage conversion circuit 140
It connects, the first end of the 6th resistance R6 connect with the second end of the 5th resistance R5, second end and the second photoelectricity coupling
The second input terminal of clutch OC2 connects.
Optionally, the electrical component that the discharge circuit 160 includes is unrestricted, can be according to specific in practical application
Control precision is configured.In conjunction with Fig. 4, in the present embodiment, the discharge circuit 160 includes third photoelectrical coupler OC3, the
Five field-effect tube Q5, the 7th resistance R7, the 8th resistance R8 and the 7th diode D7.
Further, in the present embodiment, the first input end and voltage conversion circuit of the third photoelectrical coupler OC3
140 output end connection, the second input terminal are connect with the output end of the control circuit 170, the first output end and the described 5th
The cathode of the grid of field-effect tube Q5 and the 7th diode D7 are separately connected and pass through the 7th resistance R7 and the battery
120 anode connection, the anode point of the source electrode and the 7th diode D7 of second output terminal and the 5th field-effect tube Q5
Not Lian Jie after be grounded by the 8th resistance R8, drain electrode and the cathode of the street lamp 130 of the 5th field-effect tube Q5 connects
It connects.
Optionally, after to avoid the third photoelectrical coupler OC3 from being connected, the electricity of the output of voltage conversion circuit 140
Stream damages the control circuit 170, and in the present embodiment, the discharge circuit 160 can also include for limiting this
The current device of electric current.
In the present embodiment, the discharge circuit 160 further includes the 9th resistance R9 and the tenth resistance R10.9th electricity
The first end of resistance R9 connect with the first input end of the third photoelectrical coupler OC3, second end and the voltage conversion circuit
140 output end connection, the first end of the tenth resistance R10 connect with the second end of the 9th resistance R9, second end and
The second input terminal of the third photoelectrical coupler OC3 connects.
In conjunction with Fig. 5, to be controlled convenient for discharge condition of the control circuit 170 to the battery 120, in this reality
It applies in example, the solar street light 100 can also include voltage detecting circuit 180.The input terminal of the voltage detecting circuit 180
Connect with the discharge circuit 160, output end is connect with the input terminal of the control circuit 170, for detecting the battery
The voltage value is simultaneously sent to the control circuit 170 by 120 voltage value, so that the control circuit 170 can be according to the electricity
Pressure value controls the discharge condition of the battery 120 by the discharge circuit 160.
Optionally, the electrical component that the voltage detecting circuit 180 includes is unrestricted, can be according to specific detection
Mode and detection accuracy are configured.In the present embodiment, the voltage detecting circuit 180 includes operational amplifier U1, the 6th
Field-effect tube Q6, eleventh resistor R11, twelfth resistor R12, thirteenth resistor R13 and the 14th resistance R14.
The input that the output end of the operational amplifier U1 passes through the eleventh resistor R11 and the control circuit 170
End connects and is connect by the twelfth resistor R12 with the inverting input terminal of operational amplifier U1, inverting input terminal passes through institute
State thirteenth resistor R13 ground connection, the source electrode that non-inverting input terminal passes through the 14th resistance R14 and the 6th field-effect tube Q6
Connection, the grid of the 6th field-effect tube Q6 connect with the grid of the 5th field-effect tube Q5, drain and described 5th
The drain electrode of effect pipe Q5 connects.
It further, is the control convenient for staff to the battery 120, the solar street light 100 can be with
Including working indicating.The working indicating is connect with the output end of the control circuit 170, to lead in the control
The voltage value that the voltage detecting circuit 180 detects is shown under the control of circuit 170.
Optionally, the electrical component that the working indicating includes is unrestricted, for example, can pass through multiple luminous two
Pole pipe and resistance composition.
It further, is the long-range control convenient for staff to the solar street light 100, the solar street light
100 can also include remote control equipment and wireless communication module.The input terminal of the wireless communication module and the remote control equipment
Output end communication connection, output end are connect with the input terminal of the control circuit 170, so that the control circuit 170 being capable of root
It works according to the control signal of the remote control equipment.
In conjunction with Fig. 6, the embodiment of the present invention also provides a kind of control method, is applied to the solar street light 100.Below will
Detailed process shown in Fig. 3 is described in detail.
Step S110, control circuit 170 judges that current time belongs to day or night, and obtains the voltage of battery 120
Value.
Step S130, if daytime, control circuit 170 controls described 110 pairs of institutes of photovoltaic power generation plate according to the voltage value
The charged state of battery 120 is stated, the charged state includes precharge, floating charging and bulk charge.
Step S150, if at night, control circuit 170 controls the battery 120 to the road according to the voltage value
The discharge condition of lamp 130, the discharge condition include full power electric discharge, predetermined power electric discharge and stop electric discharge.
Optionally, various types of charged states and the specific corresponding relationship of the voltage value are unrestricted, can basis
Actual demand, for example, the maximum output voltage of the maximum charging voltage of battery 120, photovoltaic power generation plate 110 is configured.?
In the present embodiment, when the voltage value is less than 13.5V, the charged state is precharge, and the voltage value is less than greater than 13.5V
When 13.8V, the charged state is floating charging, and when the voltage value is greater than 13.8V less than 14.3V, the charged state is equal
Charging.
Optionally, various types of discharge conditions and the specific corresponding relationship of the voltage value are unrestricted, can basis
Actual demand, for example, the maximum working voltage of the minimum discharge voltage of battery 120, street lamp 130 is configured.In this implementation
In example, when the voltage value is greater than 12.3V, the discharge condition is full power electric discharge, and the voltage value is less than greater than 11.8V
When 12.3V, the discharge condition is predetermined power electric discharge, and when the voltage value is less than 11.8V, the discharge condition is to stop putting
Electricity.
In conclusion solar street light 100 provided by the invention and control method, pass through voltage conversion circuit 140, electric discharge
Circuit 160, charging circuit 150 and control circuit 170 are equipped with, so that the charged state of battery 120 and electric discharge shape
State is controlled effectively, and the energy loss in charging process and discharge process can be effectively avoided, to solve existing
Solar street light 100 has that effective operating time is of short duration, so solve solar irradiation duration is shorter or rainy days compared with
More regional street lamps 130 is difficult to the problem of carrying out illumination work of continuous and effective, greatly improves solar street light 100 and control
The practicability and reliability of method processed.Secondly, by charging circuit 150 and discharge circuit 160 be arranged photoelectrical coupler and
Field-effect tube, under the control of control circuit 170, can the charging and discharging accurately to battery 120 control, have
Improve to effect the reliability and safety of solar street light 100 and control method.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of solar street light, which is characterized in that including photovoltaic power generation plate, battery, street lamp, voltage conversion circuit, electric discharge
Circuit, charging circuit and control circuit；
The anode of the input terminal of the voltage conversion circuit and the photovoltaic power generation plate connect, output end and the control circuit
Feeder ear connection；
The anode of the battery is connect with the anode of the photovoltaic power generation plate, cathode passes through the charging circuit and the photovoltaic
The cathode of power generation plate connects；
The anode of the street lamp connect with the anode of the battery, cathode is born by the discharge circuit and the battery
Pole connection；
The output end of the control circuit is separately connected with the control terminal of the charging circuit and the control terminal of the discharge circuit,
With by the charging circuit control the photovoltaic power generation plate to the charged state of the battery, by the discharge circuit control
The battery is made to the discharge condition of the street lamp；
Wherein, the charging circuit includes the first photoelectrical coupler, the second photoelectrical coupler, the first field-effect tube, second effect
Ying Guan, third field-effect tube, the 4th field-effect tube, first resistor, second resistance, first diode, the second diode, the three or two
Pole pipe, the 4th diode, the 5th diode and the 6th diode；
The first input end of first photoelectrical coupler is connect with the output end of the voltage conversion circuit, the second input terminal with
The output end of the control circuit connects, the first output end and the grid of first field-effect tube, the grid of the second field-effect tube
The cathode of pole and first diode is separately connected and is connect by the first resistor with the anode of the photovoltaic power generation plate, the
Two output ends are separately connected with the anode of second diode and the anode of third diode, the cathode of second diode
It is separately connected and is followed by with the source electrode of the anode of the first diode, the source electrode of the first field-effect tube and the second field-effect tube
Ground, the cathode of the third diode are connect with the drain electrode of second field-effect tube；
The first input end of second photoelectrical coupler is connect with the output end of the voltage conversion circuit, the second input terminal with
The output end of the control circuit connects, the first output end and the grid of the third field-effect tube, the grid of the 4th field-effect tube
The cathode of pole and the 4th diode is separately connected and is connect by the second resistance with the anode of the photovoltaic power generation plate, the
Two output ends are separately connected with the anode of the 5th diode and the anode of the 6th diode, the cathode of the 5th diode
It is connect with after the drain electrode connection of the third field-effect tube with the drain electrode of first field-effect tube, the yin of the 6th diode
Anode, the source electrode of third field-effect tube and the source electrode of the 4th field-effect tube of pole and the 4th diode be separately connected after with
The cathode of the photovoltaic power generation plate connects, and the drain electrode of the 4th field-effect tube is connect with the drain electrode of second field-effect tube.
2. solar street light according to claim 1, which is characterized in that the charging circuit further includes 3rd resistor,
Four resistance, the 5th resistance and the 6th resistance；
The first end of the 3rd resistor connect with the first input end of first photoelectrical coupler, second end and the voltage
The output end of conversion circuit connects, the first end of the 4th resistance connect with the second end of the 3rd resistor, second end and
Second input terminal of first photoelectrical coupler connects；
The first end of 5th resistance connect with the first input end of second photoelectrical coupler, second end and the voltage
The output end of conversion circuit connects, the first end of the 6th resistance connect with the second end of the 5th resistance, second end and
Second input terminal of second photoelectrical coupler connects.
3. solar street light according to claim 1 or 2, which is characterized in that the discharge circuit includes third photoelectricity coupling
Clutch, the 5th field-effect tube, the 7th resistance, the 8th resistance and the 7th diode；
The output end of the first input end of the third photoelectrical coupler and voltage conversion circuit connects, the second input terminal with it is described
The output end of control circuit connects, and the cathode of the grid and the 7th diode of the first output end and the 5th field-effect tube is distinguished
It connects and passes through the 7th resistance and connect with the anode of the battery, the source of second output terminal and the 5th field-effect tube
The anode of pole and the 7th diode passes through the 8th resistance eutral grounding, the drain electrode of the 5th field-effect tube after being separately connected
It is connect with the cathode of the street lamp.
4. solar street light according to claim 3, which is characterized in that the discharge circuit further includes the 9th resistance and
Ten resistance；
The first end of 9th resistance connect with the first input end of the third photoelectrical coupler, second end and the voltage
The output end of conversion circuit connects, the first end of the tenth resistance connect with the second end of the 9th resistance, second end and
Second input terminal of the third photoelectrical coupler connects.
5. solar street light according to claim 3, which is characterized in that the solar street light further includes voltage detecting electricity
Road, the input terminal of the voltage detecting circuit is connect with the discharge circuit, output end and the input terminal of the control circuit connect
It connects；
The voltage detecting circuit is used to detect the voltage value of the battery and the voltage value is sent to the control circuit,
So that the control circuit can control the discharge condition of the battery according to the voltage value by the discharge circuit.
6. solar street light according to claim 5, which is characterized in that the voltage detecting circuit includes operation amplifier
Device, the 6th field-effect tube, eleventh resistor, twelfth resistor, thirteenth resistor and the 14th resistance；
The output end of the operational amplifier is connect and is passed through with the input terminal of the control circuit by the eleventh resistor
The twelfth resistor and the inverting input terminal of operational amplifier connect, inverting input terminal is grounded by the thirteenth resistor,
Non-inverting input terminal is connect by the 14th resistance with the source electrode of the 6th field-effect tube, the grid of the 6th field-effect tube
Pole is connect with the grid of the 5th field-effect tube, draining connect with the drain electrode of the 5th field-effect tube.
7. solar street light according to claim 5, which is characterized in that the solar street light further includes work instruction electricity
Road；
The working indicating is connect with the output end of the control circuit, to show institute under the control of the control circuit
State the voltage value of voltage detecting circuit detection.
8. solar street light according to claim 1 or 2, which is characterized in that the solar street light further includes that remote control is set
Standby and wireless communication module；
The communication connection of the output end of the input terminal of the wireless communication module and the remote control equipment, output end and control electricity
The input terminal on road connects, so that the control circuit can work according to the control signal of the remote control equipment.
9. a kind of control method, applied to solar street light described in claim 1-8 any one, which is characterized in that described
Method includes:
Control circuit judges that current time belongs to day or night, and obtains the voltage value of battery；
If daytime, control circuit controls the photovoltaic power generation plate to the charged state of the battery according to the voltage value,
The charged state includes precharge, floating charging and bulk charge；And
If at night, control circuit controls the battery to the discharge condition of the street lamp according to the voltage value, described to put
Electricity condition includes full power electric discharge, predetermined power electric discharge and stops electric discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710884195.4A CN107660040B (en) | 2017-09-26 | 2017-09-26 | Solar street light and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710884195.4A CN107660040B (en) | 2017-09-26 | 2017-09-26 | Solar street light and control method |
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| CN107660040A CN107660040A (en) | 2018-02-02 |
| CN107660040B true CN107660040B (en) | 2019-05-14 |
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| CN201710884195.4A Expired - Fee Related CN107660040B (en) | 2017-09-26 | 2017-09-26 | Solar street light and control method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101505565A (en) * | 2009-03-11 | 2009-08-12 | 华中科技大学 | SoC chip for independent photovoltaic LED lighting special controller |
| CN202759648U (en) * | 2012-08-24 | 2013-02-27 | 扬州乔恒电子有限公司 | Boost constant current solar energy LED street lamp controller |
| CN203120234U (en) * | 2013-01-14 | 2013-08-07 | 安徽精能绿色能源有限公司 | Solar street lamp controller |
| CN104135800A (en) * | 2014-08-11 | 2014-11-05 | 国家电网公司 | Solar LED street lamp control system and method based on photovoltaic power generation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080116810A1 (en) * | 2006-11-17 | 2008-05-22 | Gary Reed | Solar thermometer |
-
2017
- 2017-09-26 CN CN201710884195.4A patent/CN107660040B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101505565A (en) * | 2009-03-11 | 2009-08-12 | 华中科技大学 | SoC chip for independent photovoltaic LED lighting special controller |
| CN202759648U (en) * | 2012-08-24 | 2013-02-27 | 扬州乔恒电子有限公司 | Boost constant current solar energy LED street lamp controller |
| CN203120234U (en) * | 2013-01-14 | 2013-08-07 | 安徽精能绿色能源有限公司 | Solar street lamp controller |
| CN104135800A (en) * | 2014-08-11 | 2014-11-05 | 国家电网公司 | Solar LED street lamp control system and method based on photovoltaic power generation |
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|---|---|
| CN107660040A (en) | 2018-02-02 |
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