CN207560392U - Photovoltaic illumination control system - Google Patents
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- CN207560392U CN207560392U CN201721491957.6U CN201721491957U CN207560392U CN 207560392 U CN207560392 U CN 207560392U CN 201721491957 U CN201721491957 U CN 201721491957U CN 207560392 U CN207560392 U CN 207560392U
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Abstract
The utility model provides a kind of photovoltaic illumination control system, including：Sequentially connected DC power supply, photovoltaic controller and LED light source group；LED light source group has multiple, and each LED light source group is connected to photovoltaic controller, and includes the LED light of multiple series connection in each LED light source group；Optical controller includes：PWM controller and, respectively connect PWM controller wave filter and dimming components；PWM controller is connect with LED light source group；Wave filter is connect with DC power supply；The accumulator and photovoltaic cell being connected with each other are equipped in DC power supply, and accumulator is connect with dimming components；Microcontroller is equipped in dimming components, and multiple ports on microcontroller are connect respectively with multiple ports of PWM controller.The utility model energy conservation and environmental protection, and the confession electric energy consumption of LED lamp is effectively reduced, and intelligently reduce the junction temperature of LED light source, reduce the power consumption of LED light source, and efficiently and securely extend the service life of LED lamp.
Description
Technical field
The utility model is related to photovoltaic power supply technical fields, and in particular to a kind of photovoltaic illumination control system.
Background technology
Great power LED solar lighting field application be restricted because being known as various aspects：First, solar energy lamp is overcast and rainy
It when because generated energy is few, the problem of not working often occur in lamps and lanterns or lighting time is short；2nd, it is narrow to adapt to voltage range, too
In positive energy lamp system, nominal voltage is generally two kinds of DC12V and DC24V, and solar LED controller on the market is mostly directed to
A kind of voltage therein, voltage adaptation narrow range；3rd, LED light source power is unadjustable, due to circuit design problem, many
Driver does not have dimming function, and LED light source is caused to always work in full power state；4th, defencive function is poor, and driver does not have
The functions such as standby reversal connection, output short-circuit, overvoltage protection, poor reliability during use, circuit are easy to damage；5th, high temperature is to LED light source
Service life seriously affects, and when great power LED works under rated current state, can generate heat, if the junction temperature of LED cannot
Control is in safe range, it will accelerates its light decay, shortens the service life of LED.
At present, in order to reduce the operating temperature of LED light source, the fado that does conventional at present is using reduction LED drive circuit
Operating current, the drawback is that power supply power supply efficiency is low, efficient, the energy-efficient characteristic that cannot give full play to LED light source；Meanwhile do not have
The driver of standby dimming function wants full power to export will making LED light source even if at the night of people's vehicle rareness, one side LED's
Junction temperature cannot control, and be also on the other hand a kind of waste to the energy increasingly in short supply.
Therefore, the photovoltaic for how designing operating temperature that is a kind of not only energy saving but also can intelligently reducing control LED light source shines
Bright control system, is a problem to be solved.
Utility model content
For the problems of the prior art, the utility model provides a kind of photovoltaic illumination control system, energy conservation and environmental protection, and has
Effect reduces the confession electric energy consumption of LED lamp, and intelligently reduces the junction temperature of LED light source, reduces the power consumption of LED light source, and have
Effect and the service life for reliably extending LED lamp.
In order to solve the above technical problems, the utility model provides following technical scheme：
The utility model provides a kind of photovoltaic illumination control system, and the Lighting Control Assembly includes：It is sequentially connected straight
Galvanic electricity source, photovoltaic controller and LED light source group；
The LED light source group has multiple, and each LED light source group is connected to the photovoltaic controller, and each described
Include the LED light of multiple series connection in LED light source group；
The photovoltaic controller includes：PWM controller and, connect wave filter and the light modulation of the PWM controller respectively
Component；
The PWM controller is connect with the LED light source group；
The wave filter is connect with the DC power supply；
The accumulator and photovoltaic cell being connected with each other, and the accumulator and the light modulation group are equipped in the DC power supply
Part connects；
In the dimming components be equipped with microcontroller, and multiple ports on the microcontroller respectively with the PWM controller
Multiple ports connection.
Further, the dimming components further include：Upper telegram in reply unit, filtering voltage stabilizer and oscillator, and it is described on
Position telegram in reply unit includes the capacitance CU5 of series connection and resistance R；
The capacitance CU5 and the filtering voltage stabilizer are connected to the DC power supply；
The resistance R connects the primary side and microcontroller of the oscillator, and the secondary side of the oscillator and institute respectively
State microcontroller connection；
After DC power supply connection, the voltage of DC power supply output through the filtering voltage stabilizer carry out voltage stabilizing and
After filtering, the connection upper telegram in reply unit and microcontroller so that the microcontroller through the upper telegram in reply unit into
Start timing after row electrification reset, and information will be controlled to export to the PWM through multiple ports when reaching timing time and controlled
Multiple ports of device are exported with changing the PWM controller to the current value of LED light source group.
Further, the oscillator includes：In parallel two capacitance CX1 and CX2 and, crystal oscillator；
The primary side of the capacitance CX1 and the primary side of capacitance CX1 are connected to the upper telegram in reply unit；
The secondary side of the capacitance CX1 and the secondary side of capacitance CX1 are connected to the microcontroller；
The crystal oscillator is connected between the secondary side of capacitance CX1 and the secondary side of capacitance CX2.
Further, the photovoltaic controller further includes：Anti-reverse device；
The anti-reverse device is connected between the DC power supply and the dimming components.
Further, the anti-reverse device is Schottky diode.
Further, the photovoltaic controller further includes the controller box equipped with multiple through-holes；
The PWM controller, wave filter, dimming components and anti-reverse device are arranged in the box body of the controller box；
The wave filter and dimming components through the different through-holes and are arranged on described straight outside the controller box
Galvanic electricity source connects；
The PWM controller is through the through-hole and multiple LED light connected for being arranged on outside the controller box
Connection.
Further, the wattage and specification all same of the LED light of multiple series connection.
Further, the quantity of the LED light is 7 to 18.
Further, the port number of the microcontroller is 2 to 8, and each port of the microcontroller is respectively connected with one
A resistance so that each port of the microcontroller is connected to the PWM controller through the resistance.
Utility model as shown from the above technical solution, a kind of photovoltaic illumination control system provided by the utility model, including：
Sequentially connected DC power supply, photovoltaic controller and LED light source group；LED light source group has multiple, and each LED light source group is connected to
Photovoltaic controller, and include the LED light of multiple series connection in each LED light source group；Optical controller includes：PWM controller, with
And the wave filter and dimming components of PWM controller are connected respectively；PWM controller is connect with LED light source group；Wave filter and direct current
Power supply connects；The accumulator and photovoltaic cell being connected with each other are equipped in DC power supply, and accumulator is connect with dimming components；Light modulation
Microcontroller is equipped in component, and multiple ports on microcontroller are connect respectively with multiple ports of PWM controller.The utility model
Energy conservation and environmental protection, and the confession electric energy consumption of LED lamp is effectively reduced, and intelligently reduce the junction temperature of LED light source, reduce LED light
The power consumption in source, and efficiently and securely extend the service life of LED lamp.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is this
Some embodiments of utility model, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to these attached drawings.
Fig. 1 is the structure diagram of the photovoltaic illumination control system of the utility model；
Fig. 2 is the electrical block diagram of the dimming components 61 of the photovoltaic illumination control system of the utility model；
Fig. 3 is another structure diagram of the photovoltaic illumination control system of the utility model；
Fig. 4 is the structure diagram of the LED light source group in the photovoltaic illumination control system of the utility model；
Fig. 5 is filter circuit, PWM control electricity in the photovoltaic controller in the photovoltaic illumination control system of the utility model
Road connection diagram between road and high-power LED light source；
Fig. 6 is the circuit structure of the anti-reverse device in the photovoltaic controller in the photovoltaic illumination control system of the utility model
Schematic diagram；
Fig. 7 is the structural representation of the photovoltaic controller in the photovoltaic illumination control system in the application example of the utility model
Figure；
Fig. 8 is the flow diagram of the brightness adjusting method of the LED lamp of the utility model；
Wherein, 1- DC power supplies；11- accumulators；12- photovoltaic cells；2- filter circuits；21- wave filters；The anti-reverse electricity of 3-
Road；The anti-reverse devices of 31-；4-PWM control circuits；41-PWM controllers；5- high-power LED light sources；51-LED light source groups；52-LED
Lamp；6- light adjusting circuits；61- dimming components；62- microcontrollers；The upper telegram in reply units of 63-；64- filtering voltage stabilizers；65- oscillators；
7- photovoltaic controllers.
Specific embodiment
Purpose, technical scheme and advantage to make the utility model embodiment are clearer, new below in conjunction with this practicality
Attached drawing in type embodiment carries out the technical scheme in the embodiment of the utility model clear, complete description, it is clear that retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, those of ordinary skill in the art's all other embodiments obtained without creative efforts, belongs to
The range of the utility model protection.
The embodiment one of the utility model provides a kind of specific embodiment of photovoltaic illumination control system, referring to Fig. 1, institute
It states photovoltaic illumination control system and specifically includes following content：
The Lighting Control Assembly includes：Sequentially connected DC power supply 1, photovoltaic controller 7 and LED light source group 51, and
The LED light source group 51 has multiple, and each LED light source group 51 is connected to the photovoltaic controller, and each LED light
Include the LED light 52 of multiple series connection in the group of source.
Specifically, photovoltaic controller 7 includes：PWM controller 41 and, connect the filtering of the PWM controller 41 respectively
Device 21 and dimming components 61；The wave filter 21 and dimming components 61 are connected to DC power supply 1, and are equipped in DC power supply 1
The accumulator 11 of interconnection and photovoltaic cell 12；The PWM controller 41 is connect with LED light source group 51；The dimming components
Microcontroller 62 is equipped in 61, and multiple ports on the microcontroller 62 connect respectively with multiple ports of the PWM controller 41
It connects.
In the foregoing description, the setting of the accumulator 11 being connected with each other and photovoltaic cell 12 is equipped in the DC power supply 1,
It is stored after enabling photovoltaic controller 7 that day sun can be converted into electric energy, and the LED lamp is stored by being stored in
Electricity in battery 11 carries out energy-saving illumination；Microcontroller 62 is equipped in the dimming components 61, microcontroller 62 is enabled to control
The PWM controller 41 adjusts the current value exported to the LED light source group 51 so that the power energy of the LED light source group 51
Wanted being enough conditioned, and then avoid LED light source even if at the night of people's vehicle rareness full power export and caused by energy waste and
The defects of junction temperature of LED cannot control, wherein, the model of the microcontroller 62 can be EM78 series monolithics 62 or
OTP types microcontroller 62 etc..
It is understood that the pulse-width modulation PWM controller 41 refers to the numeral output with microprocessor come to simulation
Circuit is controlled, and is a kind of to the digitally coded device of analog signal level progress, and in the present embodiment, the PWM controls
Device 41 processed can be the loop Current-type PWM Controller 41 of UC1842 models, can also use a kind of PWM control electricity as shown in Figure 5
Road 4, the pwm control circuit 4, pwm control circuit 4 are specifically to be made of following elements：Integrated package U1, resistance R1, R2, R3,
R5, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, capacitance C2, C3, C5, C6, C7, C8, C10, C11, inductance L,
Diode D1, metal-oxide-semiconductor Q1 and Q2, high-power LED light source 5LED1~LEDn.Wherein R2 is used to set the frequency of oscillation of U1, MOS
The switch of pipe Q1 realizes the boosting of inductance L, by the high-power LED light source 5LED1~LEDn of diode D1 drivings below,
Metal-oxide-semiconductor Q2 realizes short-circuit protection for cutting off load circuit during LED light source short circuit, and R1, R3 are used to set the overvoltage protection of circuit
Point, LED realizes that output is 0 when breaking or unloaded, so as to reduce power consumption, enhances safety, other is auxiliary circuit, no longer
It repeats.
It is understood that wave filter 21 can to the frequency other than the frequency point or the frequency point of specific frequency in power cord into
Row effectively filters out, and obtains the power supply signal after one specific frequency of power supply signal or elimination of a specific frequency, the filtering
The wave filter 21 of model OEG series, HZ series or MP serial model No.s may be used in device 21, can also use as shown in Figure 5
A kind of filter circuit 2, filter circuit 2 are made of diode TVS, capacitance C1 and C0, and operation principle is：Power supply is through two-way inhibition
Type diode TVS, electric capacity of voltage regulation C1 and filter capacitor C0 provide power supply for pwm control circuit 44 and light adjusting circuit 66.
As can be seen from the above description, the photovoltaic illumination control system that the embodiment of the utility model is provided, energy conservation and environmental protection, and
The confession electric energy consumption of LED lamp, and the junction temperature of intelligent reduction LED light source are effectively reduced, reduces the power consumption of LED light source, and
Extend effectively and reliably the service life of LED lamp.
In a kind of specific embodiment, the utility model also provides the photovoltaic control in a kind of photovoltaic illumination control system
The specific embodiment of dimming components 61 in device 7, referring to Fig. 2, the dimming components 61 specifically include following content：
Microcontroller 62, upper telegram in reply unit 63, filtering voltage stabilizer 64 and oscillator 65.
The upper telegram in reply unit 63 therein includes：The capacitance CU5 of series connection and resistance R；The capacitance CU5 and the filter
Wave voltage-stablizer 64 is connected to the DC power supply 1；The resistance R connects the primary side and microcontroller of the oscillator 65 respectively
62, and the secondary side of the oscillator 65 is connect with the microcontroller 62.
The oscillator 65 therein includes：In parallel two capacitance CX1 and CX2 and, crystal oscillator Y；The capacitance CX1
Primary side and capacitance CX1 primary side be connected to it is described it is upper telegram in reply unit 63；The secondary side and capacitance of the capacitance CX1
The secondary side of CX1 is connected to the microcontroller 62；The crystal oscillator Y be connected to capacitance CX1 secondary side and capacitance CX2 it is secondary
Between side.
The filtering voltage stabilizer 64 therein includes：Capacitance CU1, CU2, CU3 and CU4, operation principle are：It is steady through CU2
It is DC5V voltages to be exported after pressure, CU1 filtering through integrated package U transformation, then is filtered through CU3 voltage stabilizings, CU4.
The port number of the microcontroller 62 therein is 2 to 8, and each port of the microcontroller 62 is respectively connected with one
A resistance so that each port of the microcontroller 62 is connected to the PWM controller 41 through the resistance.
Specifically, after the DC power supply 1 connection, the voltage that the DC power supply 1 exports is through the filtering voltage stabilizer
After 64 carry out voltage stabilizing and filtering, the connection upper telegram in reply unit 63 and the microcontroller 62 so that the microcontroller 62 is passing through
The upper telegram in reply unit 63 starts timing, and will control and believe through multiple ports when reaching timing time after carrying out electrification reset
Breath output is exported with changing the PWM controller 41 to the electricity of LED light source group 51 to multiple ports of the PWM controller 41
Flow valuve.
As can be seen from the above description, the photovoltaic illumination control system that the embodiment of the utility model is provided, can accurately and
The efficient brightness realized to LED lamp and power regulation improve the intelligent Application degree of the LED lamp.
In a kind of specific embodiment, the utility model also provides second of a kind of photovoltaic illumination control system specifically
Embodiment, referring to Fig. 3, the photovoltaic illumination control system also specifically includes following content on the basis of embodiment one：
Anti-reverse device 31；The anti-reverse device 31 is connected between the DC power supply 1 and the dimming components 61, and institute
Anti-reverse device 31 is stated as Schottky diode.
Specifically, referring to Fig. 6, anti-reverse device 31 is specifically as follows a kind of reverse-connection preventing circuit 3, and reverse-connection preventing circuit 3 is by Xiao
Special based diode D01 compositions, the operation principle of reverse-connection preventing circuit 3 are：Electric current flows back to DC power supply 1 through unilateral diode D01
Cathode forms closed circuit, and error-polarity connection of power supply, because of the one-way conduction characteristic of diode, circuit cannot be formed into a loop and be protected
Shield.
As can be seen from the above description, the photovoltaic illumination control system that the embodiment of the utility model is provided, passes through diode
One-way conduction characteristic, can protect and be not formed into a loop in photovoltaic controller 7.
In a kind of specific embodiment, the utility model also provides the LED in a kind of photovoltaic illumination control system
The specific embodiment of light source group 51, referring to Fig. 4, the LED light source group 51 includes following content：
The LED light source group 51 includes the wattage of multiple series connection and the LED light 52 of specification all same, and the LED light 52
Quantity be 7 to 18.
The photovoltaic controller further includes the controller box equipped with multiple through-holes；The PWM controller, wave filter, light modulation
Component and anti-reverse device are arranged in the box body of the controller box；The wave filter and dimming components are through different described logical
Hole is connect with the DC power supply being arranged on outside the controller box；The PWM controller is through the through-hole with being arranged on
The LED light connection of multiple series connection outside the controller box.
As can be seen from the above description, the photovoltaic illumination control system that the embodiment of the utility model is provided, can ensure LED
The brightness of lamps and lanterns meets its brightness requirement in application environment.
For further instruction this programme, the concrete application that the utility model also provides a kind of photovoltaic illumination control system is real
Example, referring to Fig. 2, Fig. 5 to Fig. 7, the photovoltaic illumination control system specifically includes following content：
Wave filter 21 is embodied as filter circuit 2, and anti-reverse device 31 is embodied as reverse-connection preventing circuit 3；PWM controller
41 are embodied as pwm control circuit 4；LED light source group 51 is embodied as high-power LED light source 5；61 specific body of dimming components
It is now light adjusting circuit 6.
In addition, the DC power supply 1 is general for DC12/24V；The pwm control circuit 4 is 1~8 tunnel；It is described high-power
LED light source 5 is connected for 7~18 1W LED；The pwm control circuit 4 can realize the multi-period timing to high-power LED light source
Brightness adjustment control, power regulating range are 15%~100%；The pwm control circuit 4 can be realized to high-power LED light source
Ground output no-load protection, output short circuit protection, output over-voltage protection；The reverse-connection preventing circuit 3, which can be realized, protects reverse power connection
Shield ground function；The efficiency of the photovoltaic controller is more than 92%；The output constant current precision of the pwm control circuit 4 up to ±
1%.
Referring to Fig. 7, photovoltaic illumination control system includes：High-power LED light source 5, DC power supply 1, filter circuit 2, counnter attack
Connect circuit 3, pwm control circuit 4 and light adjusting circuit 6.The filtered circuit 2 of DC power supply 1 (DC12/24V), reverse-connection preventing circuit 3 are given
Pwm control circuit 4 and light adjusting circuit 6 are powered, and pwm control circuit 4 provides stable setting electric current for high-power LED light source 5, from
The light adjusting circuit 6 that has been powered starts timing, and to control signal is exported to pwm control circuit 4, pwm control circuit 4 adjusts timing time
It is exported after setting electric current to high-power LED light source 5, so as to control the junction temperature of high-power LED light source 5 and reduce its power consumption.
Its circuit forms as follows：
Referring to Fig. 5, DC power supply 1 (accumulator 11 or solar photovoltaic power)：DC12/24V.
Filter circuit 2 is made of diode TVS, capacitance C1 and C0, and operation principle is：Power supply is through two-way two pole of suppressive
Pipe TVS, electric capacity of voltage regulation C1 and filter capacitor C0 provide power supply for pwm control circuit 4 and light adjusting circuit 6.
Referring to Fig. 6, reverse-connection preventing circuit 3 is made of Schottky diode D01, and operation principle is：Electric current is through unidirectional two pole
The cathode that pipe D01 flows back to DC power supply 1 forms closed circuit, error-polarity connection of power supply, because of the one-way conduction characteristic of diode, circuit
It cannot be formed into a loop and be protected.
Referring to Fig. 5, constant-current circuit is made of pwm control circuit 4, light adjusting circuit 6 and high-power LED light source 5, PWM controls
Circuit 4 is specifically to be made of following elements：Integrated package U1, resistance R1, R2, R3, R5, R7, R8, R9, R10, R11, R12, R13,
R14, R15, R16, capacitance C2, C3, C5, C6, C7, C8, C10, C11, inductance L, diode D1, metal-oxide-semiconductor Q1, Q2, great power LED
Light source 5LED1~LEDn.Wherein R2 is used to set the frequency of oscillation of U1, and the switch of metal-oxide-semiconductor Q1 is realized the boosting of inductance L, passed through
High-power LED light source 5LED1~the LEDn of diode D1 drivings below, in LED light source short circuit, metal-oxide-semiconductor Q2 loads for cutting off
Short-circuit protection is realized in circuit, and R1, R3 are used to set the over-voltage protection point of circuit, and LED realizes that output is 0 when breaking or unloaded, from
And power consumption is reduced, safety is enhanced, other is auxiliary circuit, is not added with auspicious state.
Referring to Fig. 2, light adjusting circuit 6 is made of following elements：Microcontroller 62CPU, integrated package U, resistance R, Rin, RW1,
RW2, RW3, RW4, capacitance CU1, CU2, CU3, CU4, CU5, CX1, CX2, crystal oscillator Y.Its operation principle is：After power supply is connected, warp
It is DC5V voltages that CU2 voltage stabilizings, CU1 are exported after filtering through integrated package U transformation, then is filtered through CU3 voltage stabilizings, CU4, on CU5 and R compositions
Reset circuit, CX1, CX2, Y form external oscillation circuit, start timing after microcontroller 62CPU electrification resets, timing time arrives
Four tunnels control signal is exported, is exported respectively to four road pwm control circuits 4 through resistance RW1, RW2, RW3, RW4, to change PWM controls
The output current of circuit 4 processed realizes that the Variable power of high-power LED light source 5 is adjusted.
The form that the high-power LED light source 55 is connected using 7~18 1W LED.
Therefore the impact of high temperature and heavy current to high-power LED light source 5 is slowed down by light modulation and constant current function, so as to prolong
The service life of LED is grown；Lighting Control Assembly of the utility model patent especially suitable for making light source with great power LED.
The embodiment two of the utility model provides a kind of brightness for the LED lamp realized with above-mentioned photovoltaic illumination control system
The specific embodiment of adjusting method, referring to Fig. 8, the brightness regulation specifically includes following content：
Step 100：Connect the DC power supply；
Step 200：Judge whether current weather conditions are night or wet weather according to the energy storage situation of the photovoltaic cell
My god；
If so, entering step 300, otherwise persistently judge；
Step 300：Obtain the remaining capacity of the accumulator.
Step 400：According to the remaining capacity of the accumulator to the dimming components output voltage.
Step 500：It is defeated to the LED light source group that microcontroller in the dimming components controls the PWM controller to adjust
The current value gone out so that the power of the LED light source group meets the brightness requirement value of preset night or rainy days.
In step 500, the voltage of the DC power supply output is after the filtering voltage stabilizer carries out voltage stabilizing and filtering, even
The logical upper telegram in reply unit and the microcontroller so that the microcontroller is carrying out electrification reset through the upper telegram in reply unit
After start timing, and information will be controlled to export to multiple ends of the PWM controller through multiple ports when reaching timing time
Mouthful, it is exported with changing the PWM controller to the current value of LED light source group.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, term " comprising ", "comprising" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed or further include as this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
Also there are other identical elements in process, method, article or equipment including the element.
Above example is merely to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to aforementioned reality
Example is applied the utility model is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or carry out equivalent replacement to which part technical characteristic；And these
Modifications or substitutions, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (9)
1. a kind of photovoltaic illumination control system, which is characterized in that the Lighting Control Assembly includes：Sequentially connected direct current
Source, photovoltaic controller and LED light source group；
The LED light source group has multiple, and each LED light source group is connected to the photovoltaic controller, and each LED light
Include the LED light of multiple series connection in the group of source；
The photovoltaic controller includes：PWM controller and, connect the wave filter of the PWM controller and light modulation group respectively
Part；
The PWM controller is connect with the LED light source group；
The wave filter is connect with the DC power supply；
The accumulator and photovoltaic cell being connected with each other are equipped in the DC power supply, and the accumulator connects with the dimming components
It connects；
Microcontroller is equipped in the dimming components, and multiple ports on the microcontroller are more with the PWM controller respectively
A port connection.
2. Lighting Control Assembly according to claim 1, which is characterized in that the dimming components further include：Upper telegram in reply
Unit, filtering voltage stabilizer and oscillator, and the upper telegram in reply unit includes the capacitance CU5 of series connection and resistance R；
The capacitance CU5 and the filtering voltage stabilizer are connected to the DC power supply；
The resistance R connects the primary side and microcontroller of the oscillator, and the secondary side of the oscillator and the list respectively
Piece machine connects；
After DC power supply connection, the voltage of the DC power supply output carries out voltage stabilizing and filtering through the filtering voltage stabilizer
Afterwards, the upper telegram in reply unit and the microcontroller are connected so that the microcontroller is carried out through the upper telegram in reply unit
Start timing after reset, and information will be controlled to export to the PWM controller through multiple ports when reaching timing time
Multiple ports are exported with changing the PWM controller to the current value of LED light source group.
3. Lighting Control Assembly according to claim 2, which is characterized in that the oscillator includes：Two electricity in parallel
Hold CX1 and CX2 and, crystal oscillator；
The primary side of the capacitance CX1 and the primary side of capacitance CX1 are connected to the upper telegram in reply unit；
The secondary side of the capacitance CX1 and the secondary side of capacitance CX1 are connected to the microcontroller；
The crystal oscillator is connected between the secondary side of capacitance CX1 and the secondary side of capacitance CX2.
4. Lighting Control Assembly according to claim 1, which is characterized in that the photovoltaic controller further includes：It is anti-reverse
Device；
The anti-reverse device is connected between the DC power supply and the dimming components.
5. Lighting Control Assembly according to claim 4, which is characterized in that the anti-reverse device is Schottky diode.
6. Lighting Control Assembly according to claim 4, which is characterized in that the photovoltaic controller is further included equipped with multiple
The controller box of through-hole；
The PWM controller, wave filter, dimming components and anti-reverse device are arranged in the box body of the controller box；
The wave filter and dimming components are through the different through-holes and the direct current being arranged on outside the controller box
Source connects；
The LED light of the PWM controller through multiple series connection of the through-hole with being arranged on outside the controller box is connect.
7. Lighting Control Assembly according to claim 1, which is characterized in that the wattage of the LED light of multiple series connection and
Specification all same.
8. Lighting Control Assembly according to claim 7, which is characterized in that the quantity of the LED light is 7 to 18.
9. Lighting Control Assembly according to claim 1, which is characterized in that the port number of the microcontroller is 2 to 8
It is a, and each port of the microcontroller is all connected with there are one resistance so that each port of the microcontroller is connected through the resistance
To the PWM controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721491957.6U CN207560392U (en) | 2017-11-09 | 2017-11-09 | Photovoltaic illumination control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721491957.6U CN207560392U (en) | 2017-11-09 | 2017-11-09 | Photovoltaic illumination control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207560392U true CN207560392U (en) | 2018-06-29 |
Family
ID=62681246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721491957.6U Expired - Fee Related CN207560392U (en) | 2017-11-09 | 2017-11-09 | Photovoltaic illumination control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207560392U (en) |
-
2017
- 2017-11-09 CN CN201721491957.6U patent/CN207560392U/en not_active Expired - Fee Related
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