CN106413194B - A kind of illumination control method and system control method of more optical mode Solar lamps - Google Patents
A kind of illumination control method and system control method of more optical mode Solar lamps Download PDFInfo
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- 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
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Abstract
The present invention a kind of illumination control method and system control method of more optical mode Solar lamps, using the illumination of dual more optical mode control Solar lamps, first can be according to the situation of upper boom work in first day when lamp is bright, judge which season Solar lamp was operated in from second day, be using high power consumption situation or low electric power consumption amount situation；Furthermore it is the mechanics according to people, either high power consumption situation or low electric power consumption amount situation, multiple different bright light periods can be divided into by one day, make the luminous power of each period different.Battery capacity can be detected during bright light in real time, once being less than given threshold, Solar lamp enters low power illumination situation at once.The present invention was both saved by using dual more optical modes, and did not influenceed lighting demand, and ensure that Solar lamp can continuously work 15 days in rainy days, solved the problems, such as that existing Solar lamp light-off easily occurs in rainy weather.
Description
Technical Field
The invention relates to the technical field of control methods of solar lamps, in particular to a lighting control method and a system control method of a solar lamp with multiple light modes.
Background
The independent solar lamp utilizes solar energy as energy, converts the solar energy into electric energy, stores the electric energy through the storage battery and supplies power to the street lamp light source at night. The daily use is not influenced by power supply, the conventional electric energy is not consumed, and the energy-saving and environment-friendly effects are achieved. The complex and expensive pipeline laying is not needed, the installation is simple and convenient, and the street lamp layout is not limited by the pipeline laying, so the application prospect is wide.
Although the independent solar street lamp has appeared for many years, so far, many unsatisfactory places still exist in the use process, for example, when the independent solar street lamp encounters continuous days of overcast and rainy days, the existing solar street lamp has a light-off phenomenon, and the normal light cannot be rapidly recovered after the weather is fine, which greatly affects the wide use of the solar street lamp. In order to solve the problem, the conventional solar street lamp increases the capacity of the energy storage battery and the size of the solar panel, but the cost of the scheme is increased sharply, and the size and the weight of the solar street lamp are increased greatly, so that the application requirement is difficult to meet.
The solar energy lamp has the outstanding characteristic that the energy is supplemented and consumed reversely. The sunshine time is long in summer, the electric energy converted by the solar battery component to the energy storage battery is more, and the time of lighting the lamp is short. In winter, the sunshine time is short, the electric quantity charged by the energy storage battery is small, and on the contrary, the time for turning on the lamp is long. Meanwhile, the activities of people have certain laws, and generally, the activities are more in summer and less in winter. In one day, more activity is in the front of twenty-three and half, and less activity is in the back of twenty-three and half to six morning. Therefore, how to apply the use characteristics of the solar lamp and the activity rules of people is an extremely important research content for fully playing the efficiency of the solar lamp by optimally designing the lighting control, the charging and discharging control and the like of the solar street lamp on the premise of meeting the national relevant standards, and is a key point for realizing the normal illumination of the solar lamp all the year around.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a lighting control method and a system control method of a multi-light-mode solar lamp.
The main problem that aims at is that the existing solar lamp can not normally illuminate in rainy weather due to the opposite characteristics of energy source supplement and consumption, and the problem of light-off is easy to occur. The main idea for solving the problems is as follows: the solar energy lamp comprises a solar cell module, an energy storage battery and light sources, wherein the solar cell module, the energy storage battery and the light sources are arranged in a coordinated mode, and a lamp lighting strategy and a charging and discharging strategy are optimized according to different seasons and different time periods of each day.
In order to solve the technical problems, the invention adopts the following technical measures:
a lighting control method of a solar lamp with multiple light modes adopts different lamp lighting strategies according to the power consumption situation of the solar lamp, and comprises the following steps:
step 1: the conditions of high and low electricity consumption are shown as follows:
the high power usage situation is expressed as:
in the formula, P ih (i =1,2,3,4) is the consumed power in the i-th lighting phase of the day in the case of high power consumption, P ih (i =1,2,3,4) are values of fixed parameters given by the results of the analytical experiments, which values are related to each otherDifferent; t is t ih (i =1,2,3, 4) is the duration of the ith lighting phase per day in the case of high power usage, t ih (i =1,2,3) is a fixed duration given by the characteristics of human activity; t is t 4h Is a variable, which is the time from the beginning of the 4 th stage illumination to the time of the brightness extinction;
the low power usage situation is expressed as:
in the formula, P il (i =1,2,3,4) is the consumed power, P, of the i-th lighting phase of the day in the case of low consumption il (i =1,2,3,4) are different from each other for a given fixed parameter value depending on the analytical experiment results; t is t il (i =1,2,3, 4) is the duration of the ith lighting phase per day in the case of low power consumption, t il (i =1,2,3) is a fixed duration given by the characteristics of human activity; t is t 4l Is a variable, which is the time from the beginning of the 4 th stage illumination to the time of the brightness extinction;
wherein Q is h >Q l And set P ih >P il (i =1,2,3), and P 4h ＝P 4l ＝P 4 ；
Step 2: the first day lighting control:
controlling the solar lamp to work under the condition of low power consumption in the first day, and enabling the power consumption condition of the 4 th stage in the 1 st day to be Q 4 And is provided with
Q 4 ＝P 4 t 4l (3)
And step 3: nth day light control, wherein N >1, and N is an integer:
setting a judgment value Q of the electricity consumption situation of the solar lamp in the N-1 th day hl And is provided with
Q hl ＝P 4 T 4 (4)
In the formula (I), the compound is shown in the specification,T S for use with solar lampsMean time of illumination in summer, T W Using the average value of the lighting time of the solar lamp in winter;
let the electricity consumption at the 4 th stage in the N-1 th day be Q 4 And is provided with
Q 4 ＝P 4 t 4l (5)
Or
Q 4 ＝P 4 t 4h (6)
Selecting different lighting strategies according to the specific situation of the electricity consumption situation of the N-1 th day;
after the light is turned off on the N-1 th day, if Q is not present 4 >Q hl If the current power consumption is low, the operation is carried out on the Nth day; on the contrary, if Q 4 <Q hl Then the nth day is operated with high power usage.
Wherein, still include step 4: the solar lamp comprises an energy storage battery, and the actual residual electric quantity of the energy storage battery is detected at intervals in the lighting process; and when the actual residual capacity of the energy storage battery is smaller than a specified value, controlling the solar lamp to work under the condition of low-power illumination.
Further comprising step 5: according to the activity rule of people, the lighting time of each day is divided into four time periods, different brightness states are adopted in different time periods, and the high-low brightness rule of each time period is matched with the activity rule of people.
In addition, the invention also provides a system control method of the multi-light mode solar lamp, which applies the lighting control method, the system of the solar lamp comprises a solar cell assembly, an energy storage cell, a charge-discharge controller and an LED light source, wherein the charge-discharge controller is respectively electrically connected with the solar cell assembly, the energy storage cell and the LED light source, the solar cell assembly charges the energy storage cell, and the energy storage cell supplies power to the LED light source; the method comprises the following steps:
A. for V o 、V C 、Q B 、Q 4 Assigning values and judging whether the solar lamp is on:
when u is s <V o While, prolong T 1 After the time, entering the light-up strategy selection,
when u is s ≥V o When the solar lamp is not on, the solar lamp enters a charging strategy to be selected;
wherein, V o To turn on the lamp threshold voltage, V C To turn off the lamp threshold voltage, Q R To the actual capacity, Q, of the battery B Is a battery capacity threshold, Q 4 Operating parameter values to ensure low power usage on the first day;
B. selecting a lighting strategy:
when Q is R <Q B When the solar lamp works, the solar lamp is controlled to work under the condition of low-power illumination,
on the contrary, when Q R ≥Q B In time, the solar lamp is controlled to work under the conditions of high power consumption and low power consumption, and further according to Q 4 And Q hl Selecting a high power consumption situation or a low power consumption situation to work according to the relation;
C. selecting a charging strategy:
when u is s <u b When in use, the solar cell module is controlled to charge the energy storage battery,
otherwise, when u s ≥u b When the solar battery assembly is in the idle state, the solar battery assembly is controlled not to charge the energy storage battery;
wherein u is s Is the operating voltage value of the solar cell module u b The working voltage value of the energy storage battery is obtained, and the step A is returned after the charging strategy selection is finished, so that whether the solar lamp is on or not is judged;
D. and when the step B is finished, entering a step of judging whether to turn off the lamp:
when u is s <V c Then, returning to the step B, entering the selection of the light-up strategy,
otherwise, when u s ≥V c Time, prolong T 2 After time, turn off lamp and pair Q 4 Assigning a new value, and then returning to the step C to enter the selection of the charging strategy.
Will be the T 1 Is set to be less than or equal to T within the range of 3min 1 Less than or equal to 8min, T 2 Is set to be not less than 0min and not more than T 2 Less than or equal to 3min. Preferably, said T is 1 Is 5min, the T is 2 Is 1min.
The solar battery charging system further comprises a CN3722 charging IC, the charging and discharging controller is connected with the CN3722 charging IC, the CN3722 charging IC is provided with an MPPT tracking end and used for tracking a maximum power point, and a constant voltage charging mode, a constant current charging mode or a trickle charging mode is automatically selected according to the electric quantity condition of the solar battery component.
Compared with the prior art, the invention has the following advantages:
1. the lighting strategy adopts a dual multi-light mode, and the dual multi-light mode has multiple aspects: the first is that in different seasons, there are high power consumption situations and low power consumption situations; dividing one day into a plurality of different lighting time periods according to the activity rule of people, wherein each time period emits different light power; the low power lighting situation is adopted after a few days of continuous overcast and rainy days. By adopting the dual multi-light mode, the solar lamp saves energy, does not influence the illumination requirement, and ensures that the solar lamp can continuously work for 15 days in rainy days.
2. The system of the solar lamp selects a reasonable charging mode according to the relation between the working voltage of the solar cell module and the working voltage of the energy storage battery, and reduces the electric quantity loss of the solar cell module. Furthermore, by applying the characteristics of MPPT tracking terminal in CN3722 charging IC, the constant voltage charging mode or the constant current charging mode or the trickle charging mode can be automatically selected. The solar cell module can charge the energy storage battery under the condition of very low electric quantity.
Drawings
FIG. 1 is a block diagram of the functional modules of a multiple light mode solar light system for use with the present invention;
fig. 2 is a control flow diagram of the multiple light mode solar light system of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
In order to overcome the defect that the supplement and consumption of solar lamp energy are opposite, a lamp lighting strategy and a charging and discharging strategy need to be optimized so as to save energy and prolong the lighting time of the lamp in rainy days. The invention adopts a dual multi-light mode, and firstly, in different seasons, the high power consumption situation and the low power consumption situation exist; dividing a day into a plurality of different lighting time periods according to the activity rule of people, wherein each time period emits different light power; the low power lighting situation is adopted after a few days of continuous overcast and rainy days. The specific idea is as follows: when the lamp is on, firstly, the season of the solar lamp working from the second day is judged according to the working condition of the pole on the first day, namely, the situation of high power consumption or the situation of low power consumption is adopted; in addition, according to the activity rule of people, no matter in the situation of high power consumption or low power consumption, a day is divided into a plurality of different lighting time periods, and the lighting power of each time period is different. The battery capacity can be detected in real time in the lighting process, and once the battery capacity is lower than a set threshold value, the solar lamp immediately enters a low-power lighting situation.
In addition, according to the relation between the working voltage of the solar cell module and the working voltage of the energy storage battery, a reasonable charging mode is selected, and the electric quantity loss of the solar cell module is reduced. Furthermore, by applying the characteristics of MPPT tracking terminal in CN3722 charging IC, the constant voltage charging mode or the constant current charging mode or the trickle charging mode can be automatically selected. The solar cell module can charge the energy storage battery under the condition of very low electric quantity.
Referring to fig. 1, the system of the solar lamp includes a solar cell module, an energy storage cell, a charge and discharge controller and an LED light source, wherein the charge and discharge controller is electrically connected to the solar cell module, the energy storage cell and the LED light source, the solar cell module charges the energy storage cell, and the energy storage cell supplies power to the LED light source.
Example 1:
a lighting control method of a solar lamp with multiple light modes is characterized in that the power consumption situation of the solar lamp is determined according to the solar lighting situation, different lighting strategies are adopted, and the method comprises the following steps:
step 1: the conditions of high and low electricity consumption are shown as follows:
the high power usage situation is expressed as:
in the formula, P ih (i =1,2,3,4) is the consumed power in the i-th lighting phase of the day in the case of high power consumption, P ih (i =1,2,3,4) are given fixed parameter values, different from each other, according to the analytical experimental results; t is t ih (i =1,2,3,4) is the duration of the ith lighting phase per day in the case of high power usage, t ih (i =1,2,3) is a fixed duration given by the characteristics of human activity; t is t 4h Is a variable that is the time period from the start of phase 4 illumination to the time of day-out.
The low power usage situation is expressed as:
in the formula, P il (i =1,2,3,4) is the consumed power, P, of the i-th lighting phase of the day in the case of low consumption il (i =1,2,3,4) are different from each other for a given fixed parameter value depending on the analytical experiment results; t is t il (i =1,2,3, 4) is the duration of the ith lighting phase per day in the case of low power consumption, t il (i =1,2,3) is a fixed duration given by the characteristics of human activity; t is t 4l Is a variable, which is the time from the illumination of the 4 th stage to the light-off of the sky;
wherein Q is h >Q l And set P ih >P il (i＝1,2,3)，And P 4h ＝P 4l ＝P 4 。
Step 2: the first day lighting control:
controlling the solar lamp to work under the condition of low power consumption in the first day, and enabling the power consumption condition of the 4 th stage in the 1 st day to be Q 4 And is provided with
Q 4 ＝P 4 t 4l (3)
And 3, step 3: nth day light control, wherein N >1, and N is an integer:
setting a judgment value Q of the power consumption situation of the solar lamp in the N-1 th day hl And is provided with
Q hl ＝P 4 T 4 (4)
In the formula (I), the compound is shown in the specification,T S average of lighting time in summer, T, for the location where the solar lamp is used W Using the average value of the lighting time of the solar lamp in winter; wherein, T S And T W The data of (2) can refer to the weather data of sunrise and sunrise of the place where the solar lamp is used initially, and the relevant data can refer to the data of the service condition of the solar lamp after the solar lamp is used for a period of time.
Let the electricity consumption at the 4 th stage on the N-1 th day be Q 4 ，
Q 4 ＝P 4 t 4l (5)
Or
Q 4 ＝P 4 t 4h (6)
Selecting different lighting strategies according to the specific situation of the electricity consumption situation of the N-1 th day;
after the light is off on the N-1 th day, if Q is 4 >Q hl If so, working under the condition of low power consumption on the Nth day; on the contrary, if Q 4 <Q hl Then the nth day is operated with high power usage.
In the above steps, the sunshine duration is different in different seasonsChange by t 4l Is expressed such that t 4l Is a variable, corresponding to Q 4 And Q hl Are also variables. Therefore, the season can be judged through the steps, different lighting strategies are adopted in different seasons, the high power consumption situation is adopted in summer, and the low power consumption situation is adopted in winter.
Wherein, still include step 4: the solar lamp comprises an energy storage battery, and the actual residual electric quantity of the energy storage battery is detected at intervals in the lighting process; and when the actual residual capacity of the energy storage battery is less than the specified value, controlling the solar lamp to work under the low-power illumination condition. The solar lamp is ensured to work continuously for 15 days in rainy days.
Further comprising the step 5: according to the activity rule of people, the lighting time of each day is divided into four time periods, different brightness states are adopted in different time periods, and the high-low brightness rule of each time period is matched with the activity rule of people. For example, four periods of evening, night, morning and morning are divided, and brightness is used in the evening, high brightness is used in the night, low brightness is used in the morning, and brightness is used in the morning. In both the high power consumption situation and the low power consumption situation, time intervals are divided, and the brightness of each time interval is different. And the high and low brightness conditions in each time period of the high power consumption condition are different from the high and low brightness conditions in each time period of the low power consumption condition.
In the embodiment of the lighting control method of the solar lamp with the multiple light modes, a corresponding simulation experiment is also performed, and the specific implementation result and analysis are as follows:
table 1: the simulation conditions are that after the energy storage battery is fully charged, the lighting is simulated in the situation of low power consumption in the first day, and t 4l Equal to 6.5h. And the charge and discharge controller judges the working current and voltage parameter values of the energy storage battery and the LED light source at different time intervals when the lighting is continued to be performed under the condition of low power consumption in the next day.
TABLE 1 Circuit parameters for Low Power usage illumination on the first day and then Low Power usage illumination
Table 2: the simulation condition is that after the energy storage battery is fully charged, the lighting is simulated to be performed under the condition of low power consumption in the first day, and t 4l Equal to 4.5h. And when the charge and discharge controller judges that the next day is changed to be lighting according to the high power consumption situation, the working current and voltage parameter values of the energy storage battery and the LED light source at different time intervals are judged.
TABLE 2 Circuit parameters for changing from low to high power usage on the first day
Table 3: the simulation condition is that the residual capacity of the energy storage battery is less than a given capacity value. When the solar lamp works under the condition of low-power illumination, the working current and voltage parameter values of the energy storage battery and the LED light source are different in time interval.
TABLE 3 Circuit parameters for solar lamps in low power lighting situations
Example 2:
in the embodiment 2, the lighting control method of the multi-light mode solar lamp in the embodiment 1 is applied, and a strategy of charging and discharging control is added. The method comprises the following specific steps:
a method of system control of a multiple light mode solar powered light comprising the steps of:
A. for V o 、V C 、Q B 、Q 4 Assigning values and judging whether the solar lamp is on:
when u is s <V o While, prolong T 1 After the time, entering the light-up strategy selection,
when u is s ≥V o When the solar lamp is not on, entering charging strategy selection;
wherein, V o To turn on the lamp threshold voltage, V C To turn off the lamp threshold voltage, Q R Is the actual capacity, Q, of the battery B As a battery capacity threshold, Q 4 Operating parameter values to ensure low power usage on the first day;
B. selecting a lighting strategy:
when Q is R <Q B When the solar lamp is in use, the solar lamp is controlled to work under the condition of low-power illumination,
on the contrary, when Q R ≥Q B In time, the solar lamp is controlled to work under the conditions of high power consumption and low power consumption, and further according to Q 4 And Q hl Selecting a high power consumption situation or a low power consumption situation to work according to the relation;
C. selecting a charging strategy:
when u is s <u b When in use, the solar cell module is controlled to charge the energy storage battery,
otherwise, when u s ≥u b When the solar battery assembly is in the idle state, the solar battery assembly is controlled not to charge the energy storage battery;
wherein u is s Is the operating voltage value of the solar cell module, u b The working voltage value of the energy storage battery is obtained, and the step A is returned after the charging strategy selection is finished, so that whether the solar lamp is on or not is judged;
D. and when the step B is finished, entering a step of judging whether to turn off the lamp:
when u is s <V c And then returning to the step B, entering the selection of the lighting strategy,
otherwise, when u s ≥V c Time, prolong T 2 After time, turn off lamp and pair Q 4 And assigning a new value, and then returning to the step C to enter the selection of the charging strategy.
Will be the T 1 Is set to be less than or equal to T within the range of 3min 1 Less than or equal to 8min, T 2 Is set to be not less than 0min and not more than T 2 Less than or equal to 3min. Preferably, said T is 1 Is 5min, the T is 2 Is 1min.
The solar battery pack charging system further comprises a CN3722 charging IC, the charging and discharging controller is connected with the CN3722 charging IC, the CN3722 charging IC is provided with an MPPT tracking end and used for tracking a maximum power point, and a constant voltage charging mode, a constant current charging mode or a trickle charging mode is automatically selected according to the electric quantity condition of the solar battery pack.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. The lighting control method of the solar lamp with the multiple light modes is characterized in that the power consumption situation of the solar lamp is determined according to the solar lighting situation, different lighting strategies are adopted, and the lighting control method comprises the following steps:
step 1: dividing the lighting time of each day into four time intervals according to the activity rule of people; the conditions of high and low electricity consumption are shown as follows:
the high power usage situation is expressed as:
in the formula, P ih (i =1,2,3,4) is the consumed power in the i-th lighting phase of the day in the case of high power consumption, P ih (i =1,2,3,4) are given fixed parameter values, different from each other, according to the analytical experimental results; t is t ih (i =1,2,3, 4) is the duration of the ith lighting phase per day in the case of high power usage, t ih (i =1,2,3) is a fixed duration given by the characteristics of human activity; t is t 4h Is a variable, which is the time from the beginning of the 4 th stage illumination to the time of the brightness extinction;
the low power usage situation is expressed as:
in the formula, P il (i =1,2,3,4) is the consumed power in the i-th lighting phase per day in the case of low consumption, P il (i =1,2,3,4) are different from each other for a given fixed parameter value depending on the analytical experiment results; t is t il (i =1,2,3, 4) is the duration of the ith lighting phase per day in the case of low power consumption, t il (i =1,2,3) is a fixed duration given by the characteristics of human activity; t is t 4l Is a variable, which is the time from the illumination of the 4 th stage to the light-off of the sky;
wherein Q is h >Q l And set P ih >P il (i =1,2,3), and P 4h ＝P 4l ＝P 4 ；
Step 2: the first day lighting control:
controlling the solar lamp to work under the condition of low power consumption in the first day, and enabling the power consumption condition of the 4 th stage in the 1 st day to be Q 4 And is provided with
Q 4 ＝P 4 t 4l (3)
And step 3: nth day light control, wherein N >1, and N is an integer:
setting a judgment value Q of the power consumption situation of the solar lamp in the N-1 th day hl And is provided with
Q hl ＝P 4 T 4 (4)
In the formula (I), the compound is shown in the specification,T S average of lighting time in summer, T, for the location where the solar lamp is used W Using the average value of the lighting time of the solar lamp in winter;
let the electricity consumption at the 4 th stage on the N-1 th day be Q 4 And is provided with
Q 4 ＝P 4 t 4l (5)
Or
Q 4 ＝P 4 t 4h (6)
Selecting different lighting strategies according to the specific situation of the electricity consumption situation of the N-1 th day;
after the light is turned off on the N-1 th day, if Q is not present 4 >Q hl If the current power consumption is low, the operation is carried out on the Nth day; on the contrary, if Q 4 <Q hl Then the nth day is operated with high power usage.
2. The lighting control method of a multi-light mode solar light of claim 1, further comprising step 4: the solar lamp comprises an energy storage battery, and the actual residual electric quantity of the energy storage battery is detected at intervals in the lighting process; and when the actual residual capacity of the energy storage battery is less than the specified value, controlling the solar lamp to work under the low-power illumination condition.
3. The lighting control method of a multi-light mode solar light of claim 1, further comprising step 5: different brightness states are adopted in different time periods, and the high-low brightness rule of each time period is matched with the activity rule of people.
4. A system control method of a multi-light mode solar lamp is characterized in that the lighting control method of any one of claims 1 to 3 is applied, the system of the solar lamp comprises a solar cell module, an energy storage cell, a charge and discharge controller and an LED light source, the charge and discharge controller is respectively and electrically connected with the solar cell module, the energy storage cell and the LED light source, the solar cell module charges the energy storage cell, and the energy storage cell supplies power to the LED light source; the method comprises the following steps:
A. for V o 、V C 、Q B 、Q 4 Assigning values and judging whether the solar lamp is on:
when u is s <V o While, prolong T 1 After the time, entering the light-up strategy selection,
when u is s ≥V o When the solar lamp is not on, the solar lamp enters a charging strategy to be selected;
wherein, V o To turn on the lamp threshold voltage, V C To turn off the lamp threshold voltage, Q R To the actual capacity, Q, of the battery B As a battery capacity threshold, Q 4 Operating parameter values to ensure low power usage on the first day;
B. and selecting a lighting strategy:
when Q is R <Q B When the solar lamp works, the solar lamp is controlled to work under the condition of low-power illumination,
on the contrary, when Q R ≥Q B In time, the solar lamp is controlled to work under the conditions of high power consumption and low power consumption, and further according to Q 4 And Q hl Selecting a high power consumption situation or a low power consumption situation to work according to the relation;
C. selecting a charging strategy:
when u is s <u b When in use, the solar cell module is controlled to charge the energy storage battery,
otherwise, when u s ≥u b When the solar battery assembly is in the idle state, the solar battery assembly is controlled not to charge the energy storage battery;
wherein u is s Is the operating voltage value of the solar cell module, u b The working voltage value of the energy storage battery is obtained, and the step A is returned after the charging strategy selection is finished, so that whether the solar lamp is on or not is judged;
D. and when the step B is finished, entering a step of judging whether to turn off the lamp:
when u is s <V c And then returning to the step B, entering the selection of the lighting strategy,
otherwise, when u s ≥V c While, prolong T 2 After time, turn off lamp and pair Q 4 Assigning a new value, and then returning to the step C to enter the selection of the charging strategy.
5. The method of system control of multi-light mode solar powered lights of claim 4, characterized in thatIn the above-mentioned T 1 In the range of 3min to T 1 Less than or equal to 8min, T 2 In the range of 0min to T 2 ≤3min。
6. The method of system control of multi-light mode solar light of claim 4, wherein T is 1 Is 5min, the T is 2 Is 1min.
7. The system control method of multi-light mode solar lamp as claimed in claim 4 further comprising CN3722 charging IC, the charge and discharge controller is connected with CN3722 charging IC, the CN3722 charging IC has MPPT tracking terminal for MPPT tracking, constant voltage charging mode or constant current charging mode or trickle charging mode is selected automatically according to the electricity condition of solar battery assembly.
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| CN108934113A (en) * | 2018-04-09 | 2018-12-04 | 深圳市利思达光电科技有限公司 | A kind of intelligent work control method of Solar lamp |
| CN109104791A (en) * | 2018-08-25 | 2018-12-28 | 镇江市国晶电子科技有限公司 | Optical road lamp control method |
| CN109511196A (en) * | 2018-10-18 | 2019-03-22 | 四川华体照明科技股份有限公司 | A kind of intelligence adjusts the method and street lamp of LED solar street light brightness |
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