CN109963372A - Solar LED driving device and solar street light - Google Patents
Solar LED driving device and solar street light Download PDFInfo
- Publication number
- CN109963372A CN109963372A CN201711402183.XA CN201711402183A CN109963372A CN 109963372 A CN109963372 A CN 109963372A CN 201711402183 A CN201711402183 A CN 201711402183A CN 109963372 A CN109963372 A CN 109963372A
- Authority
- CN
- China
- Prior art keywords
- module
- battery core
- main control
- switch
- control module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
-
- 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
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of solar LED driving device and solar street light, which includes photovoltaic panel assembly, for can be carried out conversion to the sun to export photovoltaic electric current；Battery core is connected with photovoltaic panel assembly；First boost module, the first voltage exported when for discharging battery core carry out boosting inverter to export second voltage；Second boost module, for carrying out boosting inverter to second voltage in the first discharge switch closure to export tertiary voltage；Constant-current driven module is connected with LED lamp, and is connected by the second discharge switch with the second boost module；Main control module, for obtaining the discharge parameter of battery core, and it is controlled according to switch state of the discharge parameter to the first discharge switch and the second discharge switch, wherein, main control module is when controlling the first discharge switch and the second discharge switch is closed, driving control signal also is inputted to constant-current driven module, is shone with controlling LED lamp.
Description
Technical field
The present invention relates to technical field of lamps, in particular to a kind of solar LED driving device and a kind of solar street light.
Background technique
Currently, solar energy is as main both at home and abroad all in the technology development and practical application for supporting new energy field energetically
Renewable energy, all applied at many aspects of daily life, such as solar water heater, solar street light
Deng also enriching people's lives not only in response to the call of domestic and international sustainable development and low-carbon economy.Solar street light conduct
The fundamental construction of urban development is all commonly used in many cities in China.
However, the driving device in the solar street light of the relevant technologies is not enough the protection of its inside battery core, and
It needs to increase the devices such as transformer in driving device, the lower battery core driving of output voltage can just be made to need higher supply voltage
Chip, production cost is higher.
Summary of the invention
The present invention is directed to solve one of the technical problem in above-mentioned technology at least to a certain extent.For this purpose, of the invention
One purpose is to propose a kind of solar LED driving device, can not only effectively protect, greatly improve to its battery core
Its reliability, and can be realized and multiple components of its inside are powered, lower production costs, and there is energy-efficient function
Energy.
Second object of the present invention is to propose a kind of solar street light.
In order to achieve the above objectives, first aspect present invention embodiment proposes a kind of solar LED driving device, including light
Board group part is lied prostrate, the photovoltaic panel assembly is used to can be carried out the sun conversion to export photovoltaic electric current；Battery core, the battery core with it is described
Photovoltaic panel assembly is connected, and is charged with the photovoltaic electric current exported by the photovoltaic panel assembly to the battery core；First boosting
Module, the first voltage that first boost module is used to export when discharging to the battery core carry out boosting inverter to export second
Voltage；Second boost module, second boost module is connected by the first discharge switch with first boost module, described
Second boost module is used to carry out boosting inverter to the second voltage in first discharge switch closure to export third
Voltage；Constant-current driven module, the constant-current driven module are connected with LED lamp, and pass through the second discharge switch and described second
Boost module is connected；Main control module, the main control module are connected with first boost module, to pass through the first boosting mould
The second voltage of block output is powered the main control module, and the main control module is also opened with first electric discharge respectively
Pass, second discharge switch are connected with the constant-current driven module, and the main control module is used to obtain the electric discharge of the battery core
Parameter, and controlled according to switch state of the discharge parameter to first discharge switch and second discharge switch
System, wherein the main control module is controlling first discharge switch and second discharge switch closure, to pass through described the
When the tertiary voltage of two boost modules output is powered the constant-current driven module, also to the constant-current driven module
Driving control signal is inputted, is shone with controlling the LED lamp.
Solar LED driving device according to an embodiment of the present invention, by photovoltaic panel assembly to the sun can be carried out conversion with
The first voltage exported when exporting photovoltaic electric current, and charge to battery core, and being discharged by the first boost module battery core
Boosting inverter is carried out to export second voltage, and by the second boost module when the first discharge switch is closed to second voltage into
Row boosting inverter is to export tertiary voltage, and the discharge parameter of battery core is obtained by main control module, and according to discharge parameter pair
The switch state of first discharge switch and the second discharge switch is controlled, and main control module is in control the first discharge switch and second
When discharge switch is closed, driving control signal also is inputted to constant-current driven module, is shone with controlling LED lamp.As a result, can not only
It is enough that effectively its battery core is protected, its reliability is greatly improved, and can be realized multiple components progress to its inside
Power supply, lower production costs, and there is energy-efficient function.
In order to achieve the above objectives, second aspect of the present invention embodiment proposes a kind of solar street light.
The solar street light of the embodiment of the present invention, at least one solar LED proposed including the above embodiment of the present invention
Driving device, specific embodiment can refer to above-described embodiment, and to avoid redundancy, details are not described herein.
Solar street light according to an embodiment of the present invention can not only effectively protect its battery core, greatly improve
Its reliability, and can be realized and multiple components of its inside are powered, lower production costs, and there is energy-efficient function
Energy.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
It obtains obviously, or by recognizing practice of the invention.
Detailed description of the invention
Fig. 1 is the block diagram according to the solar LED driving device of the embodiment of the present invention；
Fig. 2 is the block diagram according to the solar LED driving device of first aspect present invention embodiment；
Fig. 3 is the structural schematic diagram according to the constant-current driven module of one embodiment of the invention；
Fig. 4 is the parallel-connection structure schematic diagram according to the solar energy device of one embodiment of the invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
The solar LED driving device and solar street light of the embodiment of the present invention described with reference to the accompanying drawing.
Fig. 1 is the block diagram of the solar LED driving device of the embodiment of the present invention.
As shown in Figure 1, the solar LED driving device 1 of the embodiment of the present invention, including photovoltaic panel assembly 10, battery core 20,
One boost module 30, the second boost module 40, constant-current driven module 50, main control module 60.
Wherein, photovoltaic panel assembly 10 is used to can be carried out the sun conversion to export photovoltaic electric current；Battery core 20 and photovoltaic board group
Part 10 is connected, and is charged with the photovoltaic electric current exported by photovoltaic panel assembly 10 to battery core 20；First boost module 30 is used for
The first voltage exported when discharging battery core 20 carries out boosting inverter to export second voltage；Second boost module 40 passes through first
Discharge switch K1 is connected with the first boost module 30, and the second boost module 40 is used in the first discharge switch K1 closure to second
Voltage carries out boosting inverter to export tertiary voltage；Constant-current driven module 50 is connected with LED lamp, and passes through the second discharge switch
K2 is connected with the second boost module 40；Main control module 10 is connected with the first boost module 30, with defeated by the first boost module 30
Second voltage out is powered main control module 10, and main control module 10 is also opened with the first discharge switch K1, the second electric discharge respectively
It closes K2 to be connected with constant-current driven module 50, main control module 10 is used to obtain the discharge parameter of battery core 20, and according to discharge parameter pair
The switch state of first discharge switch K1 and the second discharge switch K2 are controlled, wherein main control module 10 is put in control first
Electric switch K1 and the second discharge switch K2 closure, with the tertiary voltage by the output of the second boost module 40 to constant-current driven module
50 when being powered, and also inputs driving control signal to constant-current driven module 50, is shone with controlling LED lamp.
In one embodiment of the invention, battery core 20 can be the single battery core of large capacity, to drive as solar LED
The energy storage units of device 1 can reach the power demand of each component in solar LED driving device 1.Wherein, battery core can
For single-unit LiFePO4 battery core, nominal voltage can be 3.2V.Using single battery core, connect compared to by multiple battery cores, no
It only avoids that the unbalanced phenomenon of battery core charge or discharge occurs, and greatly reduces the failure of solar LED driving device 1
Rate.
Specifically, as shown in Fig. 2, battery core 20 can be connected by first switch circuit 70 with photovoltaic panel assembly 10, first is opened
Powered-down road 70 is connected with main control module 60.Wherein, first switch circuit 70 may include charge switch K3, and main control module 60 passes through control
Charge switch K3 closure processed charges to battery core 20 with the photovoltaic electric current exported by photovoltaic panel assembly 10.
Further, as shown in Fig. 2, first switch circuit 70 may also include current sampling unit 71, main control module 60 is logical
Overcurrent sampling unit 71 obtains charging current when charging to battery core 20, and judges whether charging current is less than default electricity
Threshold value is flowed, and when charging current is less than predetermined current threshold, control charge switch K3 is disconnected to stop carrying out battery core 20
Charging.Wherein, current sampling unit 71 may include sampling resistor, and predetermined current threshold may be configured as 0.5A.In addition, first switch
Circuit 70 may also include fuse etc..
That is, photovoltaic panel assembly 10 is right when the intensity of illumination for the sunlight that photovoltaic panel assembly 10 receives is little
Charging current when battery core 20 is charged is smaller, i.e., it is, for example, less than 0.5A that charging current, which is less than predetermined current threshold, at this point,
The efficiency to be charged by photovoltaic panel assembly 10 to battery core 20 is lower, and it is disconnected can to control charge switch K3 by main control module 60
It opens, to stop charging to battery core 20.
It should be noted that due to the exportable biggish photovoltaic electric current of photovoltaic panel assembly 10, which need to be by the
One switching circuit 70 inputs battery core 20, and therefore, the biggish MOS of power can be used in the charge switch K3 in first switch circuit 70
Pipe, to guarantee that first switch circuit 70 from damage, accordingly, needs to input biggish voltage signal to first switch circuit 70
In charge switch K3, such as 12V voltage signal, so that charge switch K3 is normally carried out work.
In one embodiment of the invention, the first voltage that battery core 20 exports can be fluctuated in a certain range
(minimum input 1.8V), and main control module 60 needs a highly stable voltage to be powered it, therefore, can pass through first
It is (such as constant to obtain constant second voltage after the first voltage that boost module 30 exports battery core 20 carries out boosting inverter
5V).The second voltage can input LDO (Low Dropout Regulator, low pressure difference linear voltage regulator), by the transformation of LDO
Exportable stable voltage (such as 3.3V) afterwards, and it is inputted main control module 60, to be powered to main control module 60.Its
In, the second voltage can the peripheral circuit (such as operational amplifier, comparator) directly to main control module 60 be powered.
Further, the second voltage of the first boost module 30 output can also input the second boost module 40, the second boosting
Module 40 carries out exportable constant tertiary voltage (such as constant 12V) after boosting inverter to it, to meet the second boost module
40 demand.
In one embodiment of the invention, when do not need constant-current driven module 50 worked do not need constant current driving
When module 50 drives LED lamp to be worked, constant-current driven module 50 can be at sleep state, and (in this state, constant current is driven
Module 50 can temporarily cease work, by that can wake up constant-current driven module at any time to 50 input voltage signal of constant-current driven module
50, constant-current driven module 50 can be made to be normally carried out work), when needing constant-current driven module 50 to be worked, can by with perseverance
The battery core 20 that stream drive module 50 is directly connected to, to 50 input voltage signal of constant-current driven module, to wake up constant current driving in time
Module 50 is worked normally, and can reduce the power consumption of constant-current driven module 50 as a result,.
In one embodiment of the invention, as shown in Fig. 2, solar LED driving device 1 further includes illumination acquisition module
80, illumination acquisition module 80 is used to acquire the intensity of illumination of local environment, wherein main control module 60 and 80 phase of illumination acquisition module
Even, main control module 60 is less than default illumination threshold for judging whether intensity of illumination is less than default illumination threshold, and in intensity of illumination
When value, the first discharge switch K1 and the second discharge switch K2 closure is controlled, and input drive control letter to constant-current driven module 50
Number, it is shone with controlling LED lamp.Wherein, illumination acquisition module 80 may include photosensitive probe and luminance signal sample circuit etc.,
Lower-powered metal-oxide-semiconductor can be used in one discharge switch K1 and the second discharge switch K2, does not need applied voltage signal.
That is, the intensity of illumination when local environment is lower, i.e., intensity of illumination is less than default illumination threshold, is, for example, less than
10 luxs, when LED lamp being needed to be illuminated, main control module 60 can control the first discharge switch K1 and the second discharge switch K2
Closure, so that the electric energy stored in battery core 20, which inputs constant current by the first discharge switch K1 and the second discharge switch K2, drives mould
Block, and driving control signal is inputted to constant-current driven module, it is shone with controlling LED lamp.
In one embodiment of the invention, when not needing main control module 60 and being worked, main control module 60 be can be at
(in this state, main control module 60 can stop working sleep state, by that can call out at any time to 60 input voltage signal of main control module
Wake up main control module 60 so that main control module 60 is normally carried out work), when needing main control module 60 to be worked, can by with
The photovoltaic panel assembly 10 that main control module 60 is directly connected to, to 60 input voltage signal of main control module, to wake up main control module in time
60 work, and can reduce the power consumption of main control module 60 as a result,.
In one embodiment of the invention, discharge parameter may include discharge voltage, and main control module 60 is for judging electric discharge
Voltage whether less than the first predetermined voltage threshold, and when discharge voltage is less than the first predetermined voltage threshold, discharge by control second
Switch K2 is disconnected, to stop being powered constant-current driven module.
Main control module is also used to obtain the output voltage of constant-current driven module 50, and judges whether output voltage is greater than second
Predetermined voltage threshold, and when output voltage is greater than the second predetermined voltage threshold, the second discharge switch K2 of control is disconnected, to stop
Only constant-current driven module 50 is powered.
Specifically, main control module 60 is judging discharge voltage less than the first predetermined voltage threshold, i.e. over-discharge occurs for battery core 20
When, the not enough power supply stored in battery core 20 is normally to power to constant-current driven module 50, at this point, second can be controlled rapidly
Discharge switch K2 is disconnected, to stop being powered constant-current driven module 50 in time.
Main control module 60 is greater than the second predetermined voltage threshold in the output voltage for judging constant-current driven module, i.e. constant current drives
When the overtension of the output of module, the second discharge switch K2 disconnection can be controlled rapidly, to stop driving mould to constant current in time
Block 50 is powered, so that constant-current driven module 50 stops exporting higher voltage, to make LED lamp from damage.
Further, main control module 60 is also used to instruct the first discharge switch K1 of control to disconnect to reduce according to Energy Saving Control
Power consumption.
Specifically, when solar energy device 1 is in transport or storing process, that is, solar energy device 1 is also not
When coming into operation, corresponding Energy Saving Control can be inputted and instructed to main control module 60, so that main control module can be according to the Energy Saving Control
The first discharge switch K1 of instruction control is disconnected, and the second boost module 40 is made to stop working, thus makes solar LED driving device 1
Into low-power consumption mode, to save the electricity consumption to battery core 20 to the maximum extent.
After solar energy device 1 is mounted on road surface, both do not needing to charge to battery core 20, such as battery core 20 is
It through fully charged, and do not need battery core 20 and discharges, such as battery core 20 fills with electricity and the intensity of illumination of local environment is higher,
Or battery core, when night over-discharge occurring, main control module 60 can automatically generate corresponding Energy Saving Control instruction, be put with control first
Electric switch K1 is disconnected, and the second boost module 40 is made to stop working, thus solar LED driving device 1 is made to enter low-power consumption mode,
To save the electricity consumption to battery core 20 to the maximum extent.In one embodiment of the invention, as shown in Fig. 2, solar LED
Driving device 1 further includes dimmer switch component 90, and dimmer switch component 90 is connected with constant-current driven module 50, dimmer switch component
90 include multiple switch element, wherein by changing output of the switch state of multiple switch element to constant-current driven module 50
Power is adjusted.
In one embodiment of the invention, as shown in figure 3, LED driver can be used in constant-current driven module 50
Multiple switch element in dimmer switch component 90 can be passed through respectively corresponding divider resistance and TPS92690 by TPS92690
Pin ADJ is connected, and by changing the switch state of the multiple switch element in dimmer switch component 90, is adjusted pin ADJ's
Voltage, so that the output voltage of LED driver TPS92690 is adjusted, it can adjuster output power.Wherein, TPS92690 draws
Foot Vref can input 2.5V reference voltage using as its reference voltage.
Wherein, toggle switch can be used in dimmer switch component 90, and the switch state by adjusting toggle switch can be by constant current
The output power of drive module 50 is adjusted to different power grades, for example, can be by the output power of constant-current driven module 50
40W、30W、20W、15W。
The output power of constant-current driven module 50 can be divided into different power grades as needed as a result, to meet not
With the demand of LED lamp supplier.
In one embodiment of the invention, main control module 60 is also used to obtain the continuous illumination time of LED lamp, and sentences
Whether the disconnected continuous illumination time is greater than preset time threshold, and when the continuous illumination time being greater than preset time threshold, passes through
The driving control signal of input constant-current driven module 50 is adjusted, to reduce the brightness of LED lamp.
Specifically, the driving control signal for inputting constant-current driven module 50 can be pwm signal, when control LED lamp continues
It shines a period of time, such as after 5 hours, pedestrian, vehicle of illumination region etc. can be greatly reduced, at this point, software control can be passed through
The mode of system, can be by adjusting parameters such as the duty ratios of pwm signal of pin nDIM of input constant-current driven module 50, to adjust
The output power of constant-current driven module 50 is saved, it specifically, can be by reducing the duty ratio of the pwm signal, accordingly to reduce perseverance
The output power of drive module 50 is flowed, such as output power can be reduced by 50% by the duty ratio of reduction pwm signal, from
And the brightness of LED lamp is reduced, reduce the electricity consumption to battery core.
In conclusion the output of constant-current driven module 50 can be adjusted as needed in such a way that software and hardware combines
Different power grades, and the design of the hardware components and software section of the constant-current driven module 50 of different capacity grade is complete
Consistent (in addition to the button of toggle switch is had any different) is not only convenient for producing and manage, and greatly reduce its production cost.
In one embodiment of the invention, as shown in Fig. 2, solar LED driving device 1 may also include temperature acquisition mould
Block 100, temperature collecting module 100 are used to acquire the temperature of battery core 20, wherein main control module 60 to battery core 20 for filling
When electric, judge whether the temperature of battery core 20 is greater than the first preset temperature threshold or less than the second preset temperature threshold, and in electricity
Control charge switch K3 is disconnected when the temperature of core 20 is greater than the first preset temperature threshold or is less than second preset temperature threshold,
To stop charging to battery core 20, wherein the second preset temperature threshold is less than the first preset temperature threshold；Main control module 60 is used
In when being powered to constant-current driven module 50, judging whether the temperature of battery core 20 is greater than third preset temperature threshold or is less than
4th preset temperature threshold, and when the temperature of battery core 20 is greater than the second preset temperature threshold or less than four preset temperature thresholds
The disconnection of the second discharge switch is controlled, to stop being powered constant-current driven module 50, wherein the 4th preset temperature threshold is less than
Third preset temperature threshold.
That is, the temperature range of its normal operation can be corresponded to when battery core 20 is run in a charge mode.When battery core
Temperature is greater than the maximum value for the temperature range that it is operated normally, i.e., when the temperature of battery core is greater than the first preset temperature threshold, master control
Module 60 can determine whether that battery core 20 enters excess temperature working condition, and accordingly, main control module 60 can control charge switch K3 to disconnect, so that
Battery core 20 enters high temperature protection state, and until protection is eliminated, i.e., the temperature of battery core is in its temperature range operated normally, master control
Module 60 controls charge switch K3 closure, and battery core 20 can be normally carried out work；When the temperature of battery core is less than its temperature operated normally
Spend the minimum value of range, i.e., when the temperature of battery core is less than the second preset temperature threshold, battery core can not normally charge, this
When, main control module 60 can control charge switch K3 to disconnect, so that battery core 20 enters low-temperature protection state.Until protection elimination, i.e.,
The temperature of battery core is in the temperature range of its normal operation, and main control module 60 controls charge switch K3 closure, and battery core 20 can be normal
It works.
When battery core 20 is run with discharge mode, the temperature range of its normal operation can be corresponded to.When the temperature of battery core is greater than
The maximum value of its temperature range operated normally, i.e., when the temperature of battery core is greater than third preset temperature threshold, main control module 60 can
Judge battery core 20 enter excess temperature working condition, accordingly, main control module 60 can control charge switch K3 disconnect so that battery core 20 into
Enter high temperature protection state.Until protection is eliminated, i.e., the temperature of battery core is in its temperature range operated normally, and main control module 60 is controlled
Charge switch K3 closure processed, battery core 20 can be normally carried out work；When the temperature of battery core is less than the temperature range that it is operated normally
Minimum value, i.e., when the temperature of battery core is less than four preset temperature thresholds, battery core can not normally charge, at this point, master control mould
Block 60 can control charge switch K3 to disconnect, so that battery core 20 enters low-temperature protection state.Until protection elimination, the i.e. temperature of battery core
The temperature range operated normally in it, main control module 60 control charge switch K3 closure, and battery core 20 can be normally carried out work.Its
In, the first preset temperature threshold can be equal to third preset temperature threshold.
In one particular embodiment of the present invention, when battery core 20 is run in a charge mode, the temperature of normal work
Range can be 0~55 DEG C.When the temperature of battery core is higher than 55 DEG C, main control module 60 can determine whether that battery core 20 enters excess temperature work shape
State, accordingly, main control module 60 can control charge switch K3 to disconnect, so that battery core 20 enters high temperature protection state, until protection
It eliminates, i.e., the temperature of battery core 20 is in 0~55 DEG C, and main control module 60 controls charge switch K3 closure, and battery core 20 can be normally carried out
Work；When the temperature of battery core is less than 0 DEG C, battery core can not normally charge, at this point, the controllable charging of main control module 60 is opened
K3 disconnection is closed, so that battery core 20 enters low-temperature protection state, until protection is eliminated, i.e., the temperature of battery core 20 is in 0~55 DEG C, master
It controls module 60 and controls charge switch K3 closure, battery core 20 can be normally carried out work.
When battery core 20 is run with discharge mode, the temperature range worked normally can be -10~50 DEG C.When the temperature of battery core
When degree is higher than 50 DEG C, main control module 60 can determine whether that battery core 20 enters excess temperature working condition, and accordingly, main control module 60 is controllable to be filled
Electric switch K3 disconnect so that battery core 20 enter high temperature protection state, until protection eliminate, i.e., the temperature of battery core 20 be in -10~
50 DEG C, main control module 60 controls charge switch K3 closure, and battery core 20 can be normally carried out work；When the temperature of battery core is less than -10 DEG C
When, battery core can not normally charge, at this point, main control module 60 can control charge switch K3 to disconnect, so that battery core 20 enters
Low-temperature protection state, until protection is eliminated, i.e., the temperature of battery core 20 is in -10~50 DEG C, and main control module 60 controls charge switch
K3 closure, battery core 20 can be normally carried out work.
Further, solar LED driving device 1 further includes heating module 110, and the corresponding battery core 20 of heating module 110 is set
It sets, heating module 110 is connected by the first heater switch K4 with photovoltaic panel assembly 10, and passes through the second heater switch K5 and second
Boost module 40 is connected.
Wherein, whether main control module 60 is also used to judge when charging to battery core 20 temperature of battery core 20 less than
Five preset temperature thresholds, and the first heater switch K4 closure is controlled when the temperature of battery core 20 is less than five preset temperature thresholds,
Heating module 110 is powered with the photovoltaic electric current exported by photovoltaic panel assembly 10, to be heated to battery core 20；Master control
Whether module 60 is also used to judge when being powered constant-current driven module 50 temperature of battery core 20 less than the 6th preset temperature
Threshold value, and the second heater switch K5 closure is controlled when the temperature of battery core 20 is less than six preset temperature thresholds, to pass through second
The tertiary voltage that boost module 40 exports is powered heating module 110, to heat to battery core.Wherein, due to photovoltaic
The exportable biggish photovoltaic electric current of board group part 10, the photovoltaic electric current need to can input heating module 110 by the first heater switch K4,
Therefore, the biggish metal-oxide-semiconductor of power can be used in the first heater switch K4, with the first heater switch K4 of guarantee from damage, accordingly,
Need to input biggish voltage signal to the first heater switch K4, such as 12V voltage signal, so that charge switch K3 is normally carried out work
Make.Since the electric current of the second boost module 40 output is smaller, lower-powered metal-oxide-semiconductor can be used in the second heater switch K5,
Applied voltage signal is not needed.
In one embodiment of the invention, when the environment temperature locating for the battery core 20 is lower, the temperature of battery core is relatively low,
The performance of 20 charge and discharge of battery core can be greatly affected, at this point, can be heated by heating module 110 to battery core 20.When
Battery core 20 is run in a charge mode, and when the temperature of battery core 20 is less than five preset temperature thresholds, main control module 60 controllable the
One heater switch K4 closure, so that the photovoltaic electric current that photovoltaic panel assembly 10 exports can be powered heating module 110, to make
Resistance in heating module 110 can produce heat, to heat to battery core 20；When battery core 20 is run with discharge mode, and electricity
When the temperature of core 20 is less than six preset temperature thresholds, main control module 60 can control the second heater switch K5 closure, so that photovoltaic
The photovoltaic electric current that board group part 10 exports can be powered heating module 110, so that the resistance in heating module 110 be made to can produce
Heat, to be heated to battery core 20.
Preferably, the 5th preset temperature threshold is more than or equal to the second preset temperature threshold and less than the first preset temperature threshold
Value, the 6th preset temperature threshold are more than or equal to the 4th preset temperature threshold and are less than third preset temperature threshold.
It as a result, can be when battery core 20 be in lower temperature environment, it is ensured that the temperature of battery core 20 is in the temperature operated normally
Range is spent, to guarantee that battery core 20 is normally carried out work.
In one embodiment of the invention, as shown in Fig. 2, solar LED driving device 1 further includes communication module 120,
Communication module 120 is connected with main control module 60, wherein main control module 60 is also used to obtain fault message, and passes through communication module
Fault message is sent to external equipment by 120, and main control module 60 is also referred to by the control that communication module 120 receives external equipment
It enables.
Specifically, communication module 120 can be formed solar LED driving device 1 according to region by wireless communication technique
One network, and it is connected (such as mobile phone) with external equipment.Solar LED driving device 1 can be carried out by main control module 60
Real-time detection to obtain the fault message of solar LED driving device 1, and is sent the fault message to by communication module
External equipment in order to which staff can recognize the fault message in time, and takes corresponding maintenance measures.In addition,
When solar LED driving device 1 needs to change initial setting up, portion can be set by outside, it is remotely changed, avoided out
The case where now spending a large amount of man power and material to carry out field stripping to it.
In conclusion solar LED driving device according to an embodiment of the present invention, by photovoltaic panel assembly to solar energy into
It is exported when going conversion to export photovoltaic electric current, and charge to battery core, and being discharged by the first boost module battery core
First voltage carries out boosting inverter to export second voltage, and by the second boost module when the first discharge switch is closed to the
Two voltages carry out boosting inverter to export tertiary voltage, and the discharge parameter of battery core is obtained by main control module, and according to putting
Electrical parameter controls the switch state of the first discharge switch and the second discharge switch, and main control module is opened in the electric discharge of control first
When closing with the second discharge switch closure, driving control signal also is inputted to constant-current driven module, is shone with controlling LED lamp.By
This, can not only effectively protect its battery core, greatly improve its reliability, and can be realized to the multiple of its inside
Component is powered, lower production costs, and has energy-efficient function.
Corresponding above-described embodiment, the present invention also propose a kind of solar street light.
The solar street light of the embodiment of the present invention, at least one solar LED proposed including the above embodiment of the present invention
Driving device, specific embodiment can refer to above-described embodiment, and to avoid redundancy, details are not described herein.
It should be noted that as shown in figure 4, when there are the drives of the solar LED of multiple above-described embodiments in solar street light
When dynamic device 1, solar LED driving device 1 used in parallel (can only show 3 solar LED driving devices 1, can deposit in Fig. 4
In at least two solar LED driving devices 1), i.e. the positive phase of the positive output end of solar LED driving device 1 and LED lamp
Even, the negative output terminal of solar LED driving device 1 is connected with the cathode of LED lamp, to meet in different occasions to its output work
The demand of rate.
Solar street light according to an embodiment of the present invention can not only effectively protect its battery core, greatly improve
Its reliability, and can be realized and multiple components of its inside are powered, lower production costs, and there is energy-efficient function
Energy.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；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 interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (15)
1. a kind of solar LED driving device characterized by comprising
Photovoltaic panel assembly, the photovoltaic panel assembly are used to can be carried out the sun conversion to export photovoltaic electric current；
Battery core, the battery core are connected with the photovoltaic panel assembly, with the photovoltaic electric current that is exported by the photovoltaic panel assembly to institute
Battery core is stated to charge；
First boost module, the first voltage that first boost module is used to export when discharging to the battery core carry out boosting change
It changes to export second voltage；
Second boost module, second boost module is connected by the first discharge switch with first boost module, described
Second boost module is used to carry out boosting inverter to the second voltage in first discharge switch closure to export third
Voltage；
Constant-current driven module, the constant-current driven module are connected with LED lamp, and pass through the second discharge switch and described second liter
Die block is connected；
Main control module, the main control module are connected with first boost module, with what is exported by first boost module
The second voltage is powered the main control module, the main control module also respectively with first discharge switch, described
Second discharge switch is connected with the constant-current driven module, and the main control module is used to obtain the discharge parameter of the battery core, and
It is controlled according to switch state of the discharge parameter to first discharge switch and second discharge switch, wherein
The main control module is controlling first discharge switch and second discharge switch closure, to pass through the second boosting mould
When the tertiary voltage of block output is powered the constant-current driven module, also inputs and drive to the constant-current driven module
Signal is controlled, is shone with controlling the LED lamp.
2. solar LED driving device according to claim 1, which is characterized in that the battery core passes through first switch electricity
Road is connected with the photovoltaic panel assembly, and the first switch circuit is connected with the main control module, wherein the first switch electricity
Road includes charge switch, what the main control module was exported by controlling the charge switch closure by the photovoltaic panel assembly
Photovoltaic electric current charges to the battery core.
3. solar LED driving device according to claim 2, which is characterized in that the first switch circuit further includes
Current sampling unit, the main control module obtain charging electricity when charging to the battery core by the current sampling unit
Stream, and judge whether the charging current is less than predetermined current threshold, and be less than the predetermined current in the charging current
When threshold value, controls the charge switch and disconnect to stop charging to the battery core.
4. solar LED driving device according to claim 1, which is characterized in that it further include illumination acquisition module, it is described
Illumination acquisition module is used to acquire the intensity of illumination of local environment, wherein
The main control module is connected with the illumination acquisition module, and the main control module is for judging whether the intensity of illumination is small
In default illumination threshold, and when the intensity of illumination is less than the default illumination threshold, control first discharge switch and
The second discharge switch closure, and driving control signal is inputted to the constant-current driven module, to control the LED lamp hair
Light.
5. solar LED driving device according to claim 4, which is characterized in that the discharge parameter includes electric discharge electricity
Pressure, the main control module is for judging the discharge voltage whether less than the first predetermined voltage threshold, and in the discharge voltage
It when less than first predetermined voltage threshold, controls second discharge switch and disconnects, to stop to the constant-current driven module
It is powered.
6. solar LED driving device according to claim 5, which is characterized in that the main control module is also used to obtain
The output voltage of the constant-current driven module, and judge whether the output voltage is greater than the second predetermined voltage threshold, Yi Ji
It when the output voltage is greater than second predetermined voltage threshold, controls second discharge switch and disconnects, to stop to described
Constant-current driven module is powered.
7. solar LED driving device according to claim 6, which is characterized in that the main control module is also used to basis
Energy Saving Control instruction controls first discharge switch and disconnects to reduce power consumption.
8. solar LED driving device according to claim 1, which is characterized in that it further include dimmer switch component, it is described
Dimmer switch component is connected with the constant-current driven module, and the dimmer switch component includes multiple switch element, wherein is passed through
The output power of the constant-current driven module is adjusted in the switch state for changing the multiple switch element.
9. solar LED driving device according to claim 8, which is characterized in that the main control module is also used to obtain
The continuous illumination time of the LED lamp, and judge whether the continuous illumination time is greater than preset time threshold, and in institute
When stating the continuous illumination time greater than the preset time threshold, by the driving control signal for inputting the constant-current driven module
It is adjusted, to reduce the brightness of the LED lamp.
10. solar LED driving device according to claim 2, which is characterized in that it further include temperature collecting module, institute
Temperature collecting module is stated for acquiring the temperature of the battery core, wherein
The main control module is used for when charging to the battery core, and it is default to judge whether the temperature of the battery core is greater than first
Temperature threshold or less than the second preset temperature threshold, and it is greater than first preset temperature threshold or small in the temperature of the battery core
It controls the charge switch when second preset temperature threshold to disconnect, to stop charging to the battery core, wherein institute
The second preset temperature threshold is stated less than first preset temperature threshold；
The main control module is used for when being powered to the constant-current driven module, judges whether the temperature of the battery core is greater than
Third preset temperature threshold is greater than the third preset temperature less than the 4th preset temperature threshold, and in the temperature of the battery core
Threshold value or less than four preset temperature thresholds when, control second discharge switch and disconnect, to stop to the constant-current driven module
It is powered, wherein the 4th preset temperature threshold is less than the third preset temperature threshold.
11. solar LED driving device according to claim 10, which is characterized in that it further include heating module, it is described to add
Thermal modules correspond to the battery core setting, and the heating module is connected by the first heater switch with the photovoltaic panel assembly, and is led to
The second heater switch is crossed to be connected with second boost module, wherein
The main control module is also used to judge when charging to the battery core whether the temperature of the battery core is pre- less than the 5th
If temperature threshold, and control first heater switch when the temperature of the battery core is less than five preset temperature threshold and close
It closes, the heating module is powered with the photovoltaic electric current exported by the photovoltaic panel assembly, to be carried out to the battery core
Heating；
The main control module is also used to judge when being powered the constant-current driven module whether the temperature of the battery core is small
In the 6th preset temperature threshold, and described second is controlled when the temperature of the battery core is less than six preset temperature threshold and is added
Thermal switch closure, is powered the heating module with the tertiary voltage exported by second boost module, to institute
Battery core is stated to be heated.
12. solar LED driving device according to claim 11, which is characterized in that the 5th preset temperature threshold
More than or equal to second preset temperature threshold and it is less than first preset temperature threshold, the 6th preset temperature threshold is big
In equal to the 4th preset temperature threshold and less than the third preset temperature threshold.
13. solar LED driving device according to claim 1, which is characterized in that it further include communication module, it is described logical
News module is connected with the main control module, wherein the main control module is also used to obtain fault message, and passes through the communication mould
The fault message is sent to external equipment by block, and the main control module also receives the control of external equipment by the communication module
System instruction.
14. solar LED driving device according to claim 1 to 13, which is characterized in that the battery core is
Single battery core.
15. a kind of solar street light, which is characterized in that including at least one according to claim 1 described in any one of -14 too
Positive energy LED drive device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711402183.XA CN109963372B (en) | 2017-12-22 | 2017-12-22 | Solar LED driving device and solar street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711402183.XA CN109963372B (en) | 2017-12-22 | 2017-12-22 | Solar LED driving device and solar street lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109963372A true CN109963372A (en) | 2019-07-02 |
| CN109963372B CN109963372B (en) | 2020-09-15 |
Family
ID=67019037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711402183.XA Active CN109963372B (en) | 2017-12-22 | 2017-12-22 | Solar LED driving device and solar street lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109963372B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113162370A (en) * | 2021-04-26 | 2021-07-23 | 上海飞象健康科技有限公司 | Pressure increasing and reducing control system and method of portable equipment, medium and tooth flushing device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201444623U (en) * | 2009-07-23 | 2010-04-28 | 辽宁九夷三普电池有限公司 | Household multifunctional solar storage and application system |
| CN101980585A (en) * | 2010-09-28 | 2011-02-23 | 上海环东光电科技有限公司 | Solar streetlamp controller |
| CN102665340A (en) * | 2012-05-03 | 2012-09-12 | 济南先锋新型节能灯具有限公司 | Auto-dimming high efficiency solar energy light emitting diode (LED) streetlight power source |
| CN103295537A (en) * | 2013-05-08 | 2013-09-11 | 深圳市华星光电技术有限公司 | LED backlight driving circuit, backlight module and liquid crystal display device |
| CN104037723A (en) * | 2014-05-28 | 2014-09-10 | 来安县新元机电设备设计有限公司 | Constant current drive circuit and device |
| CN104348235A (en) * | 2014-11-24 | 2015-02-11 | 天津工业大学 | System for wireless charging of electric vehicle by photovoltaic-storage battery microgrid |
| CN106304490A (en) * | 2016-08-25 | 2017-01-04 | 安徽朗越能源股份有限公司 | The control system of a kind of lithium electricity type solar LED street lamp and method |
| CN106885214A (en) * | 2017-04-07 | 2017-06-23 | 广州腾岛绿电力技术开发有限公司 | A kind of solar energy storage control integrated street lamp |
| CN107205301A (en) * | 2017-07-07 | 2017-09-26 | 佛山市德新科技孵化器有限公司 | A kind of dual power supply LED power supply circuit |
| CN107453702A (en) * | 2017-08-22 | 2017-12-08 | 深圳硕日新能源科技有限公司 | A kind of controller for solar of intelligent radio |
-
2017
- 2017-12-22 CN CN201711402183.XA patent/CN109963372B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201444623U (en) * | 2009-07-23 | 2010-04-28 | 辽宁九夷三普电池有限公司 | Household multifunctional solar storage and application system |
| CN101980585A (en) * | 2010-09-28 | 2011-02-23 | 上海环东光电科技有限公司 | Solar streetlamp controller |
| CN102665340A (en) * | 2012-05-03 | 2012-09-12 | 济南先锋新型节能灯具有限公司 | Auto-dimming high efficiency solar energy light emitting diode (LED) streetlight power source |
| CN103295537A (en) * | 2013-05-08 | 2013-09-11 | 深圳市华星光电技术有限公司 | LED backlight driving circuit, backlight module and liquid crystal display device |
| CN104037723A (en) * | 2014-05-28 | 2014-09-10 | 来安县新元机电设备设计有限公司 | Constant current drive circuit and device |
| CN104348235A (en) * | 2014-11-24 | 2015-02-11 | 天津工业大学 | System for wireless charging of electric vehicle by photovoltaic-storage battery microgrid |
| CN106304490A (en) * | 2016-08-25 | 2017-01-04 | 安徽朗越能源股份有限公司 | The control system of a kind of lithium electricity type solar LED street lamp and method |
| CN106885214A (en) * | 2017-04-07 | 2017-06-23 | 广州腾岛绿电力技术开发有限公司 | A kind of solar energy storage control integrated street lamp |
| CN107205301A (en) * | 2017-07-07 | 2017-09-26 | 佛山市德新科技孵化器有限公司 | A kind of dual power supply LED power supply circuit |
| CN107453702A (en) * | 2017-08-22 | 2017-12-08 | 深圳硕日新能源科技有限公司 | A kind of controller for solar of intelligent radio |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113162370A (en) * | 2021-04-26 | 2021-07-23 | 上海飞象健康科技有限公司 | Pressure increasing and reducing control system and method of portable equipment, medium and tooth flushing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109963372B (en) | 2020-09-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101505565B (en) | SoC chip for independent photovoltaic LED lighting special controller | |
| CN102916205A (en) | Energy-controllable output device for fuel cell and control method | |
| CN101902070A (en) | System capable of intellectually selecting electric energy supplement mode and system for intellectually selecting power supply mode for power supply of illuminating device | |
| CN102394504B (en) | Intelligent integrated power generation system | |
| CN104659849A (en) | Device, system and charging method of charging pile | |
| CN102904302A (en) | High-efficiency solar charging device and charging method thereof | |
| CN106849322A (en) | A kind of standby energy-storage system of intelligent domestic | |
| CN103874267A (en) | Solar energy street lamp | |
| CN203039966U (en) | Solar LED lamp control system | |
| CN201259334Y (en) | Scene complementary solar water heater | |
| CN109720234A (en) | A kind of two-way active equalization device and its system of vehicle mounted dynamic battery group | |
| CN109963372A (en) | Solar LED driving device and solar street light | |
| CN203689693U (en) | Intelligent networking control system for solar traffic light with dual power supplies | |
| CN103024993A (en) | Energy-saving outdoor illumination controlling system and controlling method | |
| CN202268710U (en) | Energy-controllable output device for fuel battery | |
| CN205283233U (en) | Highway tunnel lighting system | |
| CN207219123U (en) | A kind of light-operated boosting LED function circuit of solar energy | |
| CN203690982U (en) | Networking centralized control system for solar traffic light with dual power supplies | |
| CN203261530U (en) | Light modulation color modulation type LED solar energy street lamp controller | |
| CN202084964U (en) | Construction of series/parallel connection intelligent regulation and control for storage battery set | |
| CN205946248U (en) | Can adjust emergency light area of luminance | |
| CN202042930U (en) | Battery management system for solar air conditioner | |
| CN205724940U (en) | A kind of charging and discharging lithium battery device based on DSP | |
| CN205566707U (en) | Solar energy LED street lamp control system | |
| CN210868250U (en) | Split type commercial power complementary solar street lamp controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |