CN103676840A - Multi-energy supply cleaning vehicle circuit control system - Google Patents
Multi-energy supply cleaning vehicle circuit control system Download PDFInfo
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- CN103676840A CN103676840A CN201310564119.7A CN201310564119A CN103676840A CN 103676840 A CN103676840 A CN 103676840A CN 201310564119 A CN201310564119 A CN 201310564119A CN 103676840 A CN103676840 A CN 103676840A
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Abstract
The invention relates to a multi-energy supply cleaning vehicle circuit control system which is characterized by comprising: 1) an ARM system which contains an ARM processor, a meter panel display circuit, a programmable DC-DC conversion module, a SD and FLASH module, a CAN module and a power supply module; 2) a TFT touch screen used as a human-computer interaction interface; 3) at least a battery management unit circuit used for managing an energy supply mode of a fuel cell, a lithium cell, a solar cell or a storage battery or a mixture thereof; and 4) an embedded system control unit which is used for realizing control of each battery management unit circuit for supplying many kinds of energy and optimizing a mixed energy management strategy. By a supply mode of multiple alternative kinds of energy, including clean energy such as solar cell, driving range of an electric cleaning vehicle and battery maintenance cycle are raised greatly, and road cleaning range of an electric cleaning vehicle is increased.
Description
Technical field
The present invention relates to a kind of dumper, relate in particular to a kind of to thering is the multiple-energy-source supply dumper circuit control system of various energy resources supply mode.
Background technology
In recent years, continuous expansion and extension along with road, road is also more and more intensive, and the clean level of road is also representing the image in a city, traditional manpower cleans not only longevity of service, inefficiency, and the human cost of demand is very high, and the electric cleaning vehicle of growing up gradually have efficiency high, use flexibly, promote city image and save the advantages such as human cost, so electric cleaning vehicle replaces urban sanitary workers's walking and picks up road garbage mode and clean the main trend that urban road has become urban sanitation measure.
Yet the required energy of existing electric cleaning vehicle is mainly supplied with by accumulator, and accumulator cell lead is seriously polluted, it is produced with utilization and brings very large environment hidden danger, and its recovery system is not well established simultaneously, easily causes two degree to pollute.In addition, the single energy supply mode finite energy of electric cleaning vehicle, continual mileage is shorter, if electric power is exhausted and cannot be carried out work in cleaning course, during particularly for large area road-cleaning, an electric power continuation of the journey problem bottleneck especially, does not also have product or the method that can address these problems to occur at present.
Summary of the invention
For the deficiencies in the prior art, technical matters to be solved by this invention is to provide a kind of multiple-energy-source and supplies with dumper circuit control system, the energy resource supply mode of plurality of optional is provided, promoted the course continuation mileage of dumper, be combined in the integrated information showing on the panel board of dumper and the advertisement information showing on large lattice LED display screen, various dynamic advertisement informations are provided.
In order to solve the problems of the technologies described above, technical scheme of the present invention is as follows:
Multiple-energy-source is supplied with a dumper circuit control system, and it comprises:
1) ARM system: ARM system comprises arm processor, panel board display circuit, DC-DC conversion module able to programme, SD & FLASH module, CAN module, power module, and described arm processor comprises embedded system control module and ARM system peripherals circuit; The voltage of described electric power source pair of module power supply is adjusted, for arm processor and modules power supply, described panel board display circuit is connected with described arm processor communication, described panel board display circuit shows data and controls, described SD & FLASH module provides External memory equipment for development board, described CAN module utilizes CAN agreement to carry out data communication, realizes the management to battery management unit circuit and DC-DC conversion module able to programme;
2) as the TFT touch-screen of human-computer interaction interface;
3) at least one battery management unit circuit: one or more energy mix supply modes in fuel cell, lithium battery, solar cell or accumulator are managed;
4) described embedded system control module is realized the control of each battery management unit circuit that various energy resources is supplied with, and optimizes mixed tensor operating strategy.
Described battery management unit circuit is fuel cell management element circuit, comprise voltage-current sensor, signal conversion process circuit, pressure flow sensor, humidity temperature pickup, hydrogen valve, oxygen valve and temperature humidity control module, the signal of described voltage-current sensor, pressure flow sensor, humidity temperature pickup sends to embedded system control module after signal conversion process processing of circuit, and embedded system control module is controlled hydrogen valve, oxygen valve and the operation of temperature humidity control module.
Described battery management unit circuit is lithium battery administrative unit circuit, described lithium battery administrative unit circuit is electrically connected on ARM system peripherals circuit and comprises that monomer voltage metering circuit, total voltage metering circuit, SOC estimate, total current metering circuit, and described monomer voltage metering circuit, total voltage metering circuit, SOC estimate, the signal of total current metering circuit output is presented at the total voltage of lithium battery, total current and SOC state on the panel board of dumper after ARM system peripherals processing of circuit;
Described battery management unit circuit is battery management unit circuit, and described battery management unit circuit is detected voltage, the electric current of accumulator and is presented on the panel board of dumper by ARM system.
Described battery management unit circuit is sun power management element circuit, the solar panels of described sun power management element circuit are arranged at the top of dumper, be used for absorbing sun power and obtain corresponding voltage, then by offering driving after DC-DC conversion module voltage of transformation able to programme, described ARM system has been used for MPPT tracking and the control to DC-DC conversion module Power supply ratio able to programme to solar panels.
Further, it also comprises velocity survey unit: described embedded system control module and brshless DC motor electrical connection, by ARM system, detect the Hall velocity output signal on brshless DC motor Hall element, maximal rate setting unit is regulated maximal rate is set by potentiometer, person easy to use arranges maximum speed according to s own situation, and the umber of pulse detecting from Hall element is calculated dumper real-time speed and this real-time speed is presented at dumper panel board.
Further, it also comprises clock measuring unit, and described clock measuring unit, according to the RTC function of ARM system, shows current clock by large lattice LED display screen, and writes RTC unit, realizes the setting of perpetual calendar.
Further, it also comprises temperature, moisture measurement unit, described temperature, moisture measurement unit comprise temperature sensor, humidity sensor, by ARM system, the control of temperature sensor, humidity sensor are realized the measurement of the temperature of environment, humidity and are shown on a little bigger matrix LED of dumper postposition.
Further, described clock measuring unit is also electrically connected to lithium coin cells.
Described various energy resources is supplied with one or more mixing supply modes that comprise in hydrogen fuel cell, lithium battery, solar cell, accumulator, the optimisation strategy embodiment that is realized dumper Power supply and managed in conjunction with mixed tensor by various Power supply element circuits.
The invention has the beneficial effects as follows:
(1) adopt multiple alternative energy resource supply mode, the clean energy resource that has comprised sun power, promoted the environment friendly and pollution-free city burnisher image of electric cleaning vehicle, greatly promoted the cycle of continual mileage and the battery maintenance of electric cleaning vehicle, increased the road-cleaning scope of an electric cleaning vehicle simultaneously;
(2) by circuit, control a little bigger matrix LED and show in real time temperature, humidity, perpetual calendar and various programmable dynamic advertising advertisement information, for the people of city or other application places provide the information indicating of trip, the dynamic exploitation of various producers is provided simultaneously, allow electric cleaning vehicle become mobile sandwich man, promoted the sight of passerby to electric cleaning vehicle;
(3) adopt ARM system to control, realize the circuit of various energy resources supply mode and control;
(4) adopt embedded system control module, realize the enforcement of mixed tensor operating strategy;
(5) adopt embedded system control module, realized the details that various energy resources is supplied with and outputed on electric cleaning vehicle panel board, realize energy monitoring and safety guarantee operation.
figure of description
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 1 is the theory diagram that multiple-energy-source of the present invention is supplied with dumper circuit control system;
Fig. 2 is the ARM system principle diagram that multiple-energy-source of the present invention is supplied with dumper circuit control system;
Fig. 3 is the lithium battery administrative unit schematic block circuit diagram that multiple-energy-source of the present invention is supplied with dumper circuit control system;
Fig. 4 is the fuel cell management element circuit theory diagram that multiple-energy-source of the present invention is supplied with dumper circuit control system;
Fig. 5 is sun power, the lithium battery mixed cell circuit supply principle block diagram that multiple-energy-source of the present invention is supplied with dumper circuit control system;
Fig. 6 is the Electric Machine Control theory diagram that multiple-energy-source of the present invention is supplied with dumper circuit control system;
Fig. 7 is the energy management process flow diagram that multiple-energy-source of the present invention is supplied with dumper circuit control system.
Embodiment
A kind of multiple-energy-source described in the embodiment of the present invention is supplied with dumper circuit control system, and as shown in Figure 1 and Figure 2, this control system comprises:
ARM system: ARM system comprises arm processor, panel board display circuit, DC-DC conversion module able to programme, SD & FLASH module, CAN module, power module, and described arm processor comprises embedded system control module and ARM system peripherals circuit; The voltage of described electric power source pair of module power supply is adjusted, for arm processor and modules power supply, described panel board display circuit is connected with described arm processor communication, described panel board display circuit shows data and controls, described SD & FLASH module provides External memory equipment for development board, described CAN module utilizes CAN agreement to carry out data communication, realizes the management to battery management unit circuit and DC-DC conversion module able to programme.
Described embedded system control module is realized the control of each battery management unit circuit that various energy resources is supplied with, and optimizes mixed tensor operating strategy.
Described arm processor comprises following ingredient: embedded system control module, ALU, register and ARM system peripherals circuit, between each several part, by system bus communication, connect, described ARM system peripherals circuit provides being connected and control of arm processor and external various circuit.
Described arm processor also has the touch screen module being connected with embedded system control module both-way communication, and its core is the TFT touch-screen as human-computer interaction interface, realization and arm processor and the real-time control to external each circuit.
Battery management unit circuit: comprise fuel cell management element circuit, lithium battery administrative unit circuit, battery management unit circuit, sun power management element circuit, one or more energy mix supply modes in fuel cell, lithium battery, solar cell or accumulator are managed.
After dumper, plate is provided with for showing the large lattice LED display screen of information, and described large lattice LED display screen is connected with described ARM system communication.
Also comprise clock measuring unit, it is according to the RTC function of ARM system, and a little bigger matrix LED by electric motor car postposition shows current clock, and writes RTC unit, realizes the setting of perpetual calendar.
Temperature, moisture measurement unit, described temperature, moisture measurement unit comprise temperature sensor, humidity sensor, by ARM system, the control of temperature sensor, humidity sensor are realized the measurement of the temperature of environment, humidity and are shown on the large lattice LED display screen of dumper postposition.
Also comprise velocity survey unit: described embedded system control module and brshless DC motor electrical connection, by ARM system, detect the Hall velocity output signal on brshless DC motor Hall element, maximal rate setting unit is regulated maximal rate is set by potentiometer, person easy to use arranges maximum speed according to s own situation, and the umber of pulse detecting from Hall element is calculated dumper real-time speed and this real-time speed is presented at dumper panel board.Electric Machine Control principle of the present invention is referring to Fig. 6.
Various energy resources is supplied with one or more mixing supply modes that comprise in hydrogen fuel cell, lithium battery, solar cell, accumulator, the optimisation strategy embodiment that is realized dumper Power supply and managed in conjunction with mixed tensor by various Power supply element circuits, at utmost promotes output efficiency, flying power and the safety guarantee operation of mixed tensor.
The mixed tensor operating strategy of this optimization, comprises the following management of the mixed tensor to multiple combinations such as fuel cell, lithium battery, solar cell and accumulators.
As shown in Figure 3, lithium battery administrative unit circuit, it is electrically connected on ARM system peripherals circuit and comprises monomer voltage metering circuit, total voltage metering circuit, SOC estimates, total current metering circuit, monomer voltage metering circuit, total voltage metering circuit, SOC estimates, the signal of total current metering circuit after ARM system peripherals processing of circuit by the total voltage of lithium battery, total current and SOC state are presented on the panel board of dumper (TFT touch-screen), by ARM system, realize the measurement of the monolithic battery voltage of lithium battery, guarantee the voltage of lithium battery, current balance, prevent monolithic battery overcurrent, superheating phenomenon, guarantee the safe and stable operation of lithium battery, if total voltage is under-voltage or occur monolithic battery over-current phenomenon avoidance, to show in real time that this information is on instrument panel of electric vehicle, remind user to charge in time.
As shown in Figure 4, fuel cell management element circuit, it comprises voltage-current sensor, signal conversion process circuit, pressure flow sensor, humidity temperature pickup, hydrogen valve, oxygen valve and temperature humidity control module, voltage-current sensor, pressure flow sensor, the signal of humidity temperature pickup sends to embedded system control module after signal conversion process processing of circuit, embedded system control module is controlled hydrogen valve, oxygen valve and the operation of temperature humidity control module, on dumper panel board, show in real time the total voltage of fuel cell, total current, according to battery generating system, carry out the temperature proposing in control strategy research, humidity, the measurement requirement of pressure and flow, select corresponding sensor to realize the measurement of respective physical amount, on dumper panel board, show in real time the total voltage of fuel cell, total current, when there is undertension, remind user's inflation in time or ventilation bottle, guarantee the normal supply of the energy.
Battery management unit circuit, it is detected voltage, the electric current of accumulator and is presented on instrument panel of electric vehicle by ARM system, if under-voltage, the information of electric weight deficiency can be presented to TFT touch-screen, reminds user to charge in time.
As shown in Figure 5, sun power management element circuit, the solar panels of described sun power management element circuit are arranged at the top of dumper, be used for absorbing sun power and obtain corresponding voltage, then by offering driving after DC-DC conversion module voltage of transformation able to programme, described ARM system has been used for MPPT tracking and the control to DC-DC conversion module Power supply ratio able to programme to solar panels.
The present invention has the energy resource supply of above plurality of optional form, and various energy resources is supplied with and can be allowed user take into account the requirement of expense and energy-conserving and environment-protective.The relative merits of various energy resource supplies are as follows:
Expense, lead-acid battery is the most cheap, but seriously polluted, need recycling, and there is very heavy lead contamination grown place, will be banned in the near future;
Lithium battery expense is more expensive, but pollutes few, not energy-conservation.Fuel cell expense is the most expensive, but zero pollution, energy-conserving and environment-protective, along with the lifting of nanometer technology and material technology, the price of fuel cell also will progressively reduce, and be the development trend of main energy sources in future;
By sun power, supply with the ability that not only promotes energy resource supply, to lithium battery or accumulator, can play the effect of charging simultaneously.In conjunction with the energy management strategy of optimizing, can realize the hybrid power control that multiple kinds of energy is supplied with, at utmost promote the output usefulness of the various energy.
The present invention can manage management process referring to Fig. 7.
During concrete enforcement, can also adopt following technological means:
The first, the external lithium coin cells of clock measuring unit, takes power-off protection, and while guaranteeing dumper power-off, clock normally moves, and while again powering up, clock does not need to adjust.
The second, maximal rate setting unit regulates the maximal rate arranging by potentiometer, and person easy to use arranges maximum speed according to s own situation, guarantees traffic safety.
The 3rd, the fuel cell electric vehicle electric machine controller that employing is controlled based on fuzzy, scale-up factor, integral coefficient and the differential coefficient that PID controls dynamically adjusted in fuzzy control unit, realized good control characteristic, have non-overshoot, response fast, the feature such as strong robustness.Fuzzy control adopts take the two-dimensional fuzzy controller version that systematic error and error change be read statement variable, can process the uncertain characteristic of controll plant, there is the features such as implementation method is simple and easy, computing is quick, real-time, system can obtain good dynamic perfromance, fuzzy control is controlled and combined with PID, make system both there is the flexible and adaptable advantage of fuzzy control, there is again the feature that PID control accuracy is high.
The 4th, preferential use energy and the current SOC value of fuel cell that the energy management model algorithm of this control system is selected based on user, draw according to energy management table coupling.The energy management table of storage before reading in from Flash during program initialization, or when user selects to upgrade energy management table, from SD card, read energy management table and upgrade Flash backup simultaneously.
The 5th, the solar battery array of this control system must be realized MPPT maximum power point tracking by electric weight method of addition and control, the advantage of conductance increment method is when the illumination of solar cell changes, and its output end voltage can be followed it in mode faster and be changed, and voltage fluctuation is little compared with method of perturbation.By the specifically value of closing in set algorithm, can make system finally be operated near the some points of maximum power point, rather than beat back and forth near maximum power point, cause the fluctuation of system output.In judgement direction, can just can judge the direction of disturbance by the variation of electric current, difference that also can be by negative conductance and conductance increment positive and negative judges perturbation direction, can not judge by accident.
The present invention can also adopt following means: by inner A/D, realize the voltage under various energy resource supply modes, the detection of electric current; By inner timer/counter, realize the step-by-step counting of Hall element, realize the measurement of speed; By the software programming of RTC being realized to the demonstration of perpetual calendar and revising interface.
Temperature and humidity measurement adopts SHT11 and ARM interface to measure and shows humiture, and humiture is calculated as follows: because SHT11 is the temperature-sensing element (device) that adopts PTAT gap material to make, it has good linear output.Can real temperature value be calculated by following formula (1):
T
c=d
1+d
2×C
out （1）
In formula: d
1and d
2for particular factor, d
1, d
2value relevant with temperature resolution, its corresponding relation is as shown in table 1.
Table 1 temperature correction facotor
| Cout | d 1 | d 2 |
| 14Bit(5V) | -40 | 0.01 |
| 12Bit(5V) | -40 | 0.04 |
For humidity, SHT11 can directly export digital quantity humidity value by DATA data bus.This humidity is " relative humidity ", need to carry out just obtaining humidity value comparatively accurately after linear compensation and temperature compensation.Because relative humidity numeral output characteristics is certain non-linear, therefore in order to compensate the non-linear of humidity sensor, can revise humidity value by formula (2):
In formula: RH
linearfor the humidity value after linear compensation, H
outfor relative humidity measurement value, C
1, C
2, C
3for linear compensation coefficient, relevant with humidity resolution.
Because temperature is fairly obvious on the impact of humidity, and 25 ℃ of actual temperature and test reference temperature are different, so it is necessary that the humidity value after linear compensation is carried out to temperature compensation.Compensation formula is as follows:
RH
True=(T
C-25)×(t
1+t
2×H
out)+RH
Linear （3）
In formula: RH
truefor the humidity value after linear compensation and temperature compensation, T
ctemperature during for testing humidity value, t
1and t
2for humidity compensate coefficient, relevant with humidity resolution.C
1, C
2, C
3and t
1, t
2corresponding relation as shown in table 2.
Table 2 humidity correction factor
| H out | C 1 | C 2 | C 3 | t 1 | t 2 |
| 12Bit | -4 | 0.0405 | -2.8*10 -6 | 0.01 | 0.00008 |
| 8Bit | -4 | 0.6480 | -7.2*10 -4 | 0.01 | 0.00128 |
The present invention adopts the measuring accuracy of SHT11 acquiescence, and temperature is 14bit, and humidity is 12bit.
The monomer voltage of lithium battery is measured and adopted the difference channel output voltage values of amplifier and sample to realize by A/D.To total voltage, adopt the A/D of ARM inside to sample to realize, to total current, adopt Hall current sensor to sample to realize in conjunction with A/D.The SOC of lithium battery estimates to adopt Ah measurement Law or open-circuit voltage method to calculate.According to the actual voltage detecting, current value and SOC, be presented at TFT upper, monitor monomer voltage value simultaneously, guarantee that lithium battery is operated in optimum condition.
Above-described embodiment is only for the invention example is clearly described, and the not restriction to the invention embodiment.For the syntagmatic of each circuit unit is clearly described, above to various illustrative circuit units and between relation around its function, carried out usually describing, combination as for sort circuit unit is to realize which kind of function, depends on specific application and the design constraint that whole device is applied.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.All any apparent variations of being extended out within the spirit and principles in the present invention or change are still among the protection domain in the invention claim.
Claims (10)
1. multiple-energy-source is supplied with a dumper circuit control system, it is characterized in that it comprises:
1) ARM system: ARM system comprises arm processor, panel board display circuit, DC-DC conversion module able to programme, SD & FLASH module, CAN module, power module, and described arm processor comprises embedded system control module and ARM system peripherals circuit; The voltage of described electric power source pair of module power supply is adjusted, for arm processor and modules power supply, described panel board display circuit is connected with described arm processor communication, described panel board display circuit shows data and controls, described SD & FLASH module provides External memory equipment for development board, described CAN module utilizes CAN agreement to carry out data communication, realizes the management to battery management unit circuit and DC-DC conversion module able to programme;
2) as the TFT touch-screen of human-computer interaction interface;
3) at least one battery management unit circuit: one or more energy mix supply modes in fuel cell, lithium battery, solar cell or accumulator are managed;
4) described embedded system control module is realized the control of each battery management unit circuit that various energy resources is supplied with, and optimizes mixed tensor operating strategy.
2. multiple-energy-source according to claim 1 is supplied with dumper circuit control system, it is characterized in that:
Described battery management unit circuit is fuel cell management element circuit, comprise voltage-current sensor, signal conversion process circuit, pressure flow sensor, humidity temperature pickup, hydrogen valve, oxygen valve and temperature humidity control module, the signal of described voltage-current sensor, pressure flow sensor, humidity temperature pickup sends to embedded system control module after signal conversion process processing of circuit, and embedded system control module is controlled hydrogen valve, oxygen valve and the operation of temperature humidity control module.
3. multiple-energy-source according to claim 1 and 2 is supplied with dumper circuit control system, it is characterized in that: described battery management unit circuit is lithium battery administrative unit circuit, described lithium battery administrative unit circuit is electrically connected on ARM system peripherals circuit and comprises monomer voltage metering circuit, total voltage metering circuit, SOC estimates, total current metering circuit, described monomer voltage metering circuit, total voltage metering circuit, SOC estimates, the signal of total current metering circuit output after ARM system peripherals processing of circuit by the total voltage of lithium battery, total current and SOC state are presented on the panel board of dumper.
4. multiple-energy-source according to claim 1 and 2 is supplied with dumper circuit control system, it is characterized in that: described battery management unit circuit is battery management unit circuit, described battery management unit circuit is detected voltage, the electric current of accumulator and is presented on the panel board of dumper by ARM system.
5. multiple-energy-source according to claim 1 and 2 is supplied with dumper circuit control system, it is characterized in that: described battery management unit circuit is sun power management element circuit, the solar panels of described sun power management element circuit are arranged at the top of dumper, be used for absorbing sun power and obtain corresponding voltage, then by offering driving after DC-DC conversion module voltage of transformation able to programme, described ARM system has been used for MPPT tracking and the control to DC-DC conversion module Power supply ratio able to programme to solar panels.
6. multiple-energy-source according to claim 1 and 2 is supplied with dumper circuit control system, it is characterized in that it also comprises velocity survey unit: described embedded system control module and brshless DC motor electrical connection, by ARM system, detect the Hall velocity output signal on brshless DC motor Hall element, maximal rate setting unit is regulated maximal rate is set by potentiometer, person easy to use arranges maximum speed according to s own situation, the umber of pulse detecting from Hall element is calculated dumper real-time speed and this real-time speed is presented at dumper panel board.
7. multiple-energy-source according to claim 1 and 2 is supplied with dumper circuit control system, it is characterized in that it also comprises clock measuring unit, described clock measuring unit is according to the RTC function of ARM system, by large lattice LED display screen, show current clock, and write RTC unit, realize the setting of perpetual calendar.
8. multiple-energy-source according to claim 1 and 2 is supplied with dumper circuit control system, it is characterized in that it also comprises temperature, moisture measurement unit, described temperature, moisture measurement unit comprise temperature sensor, humidity sensor, by ARM system, the control of temperature sensor, humidity sensor are realized the measurement of the temperature of environment, humidity and are shown on a little bigger matrix LED of dumper postposition.
9. multiple-energy-source according to claim 7 is supplied with dumper circuit control system, it is characterized in that, described clock measuring unit is also electrically connected to lithium coin cells.
10. multiple-energy-source according to claim 1 is supplied with dumper circuit control system, it is characterized in that, described various energy resources is supplied with one or more mixing supply modes that comprise in hydrogen fuel cell, lithium battery, solar cell, accumulator, the optimisation strategy embodiment that is realized dumper Power supply and managed in conjunction with mixed tensor by various Power supply element circuits.
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| CN105024625A (en) * | 2014-04-22 | 2015-11-04 | 南京蕴纳纳米科技有限公司 | Fuel enhanced type concentrated solar cell power generation system |
| CN104063217A (en) * | 2014-06-16 | 2014-09-24 | 弗尔赛（上海）能源科技有限公司 | Application of embedded operating system to fuel cell system |
| CN109109671A (en) * | 2017-06-23 | 2019-01-01 | 韩鹏 | A kind of solar power generation intelligence control system applied to electric vehicle |
| CN116761306A (en) * | 2023-08-14 | 2023-09-15 | 华能山东发电有限公司烟台发电厂 | Lighting optimization method and system for dual-purpose lighting device |
| CN116761306B (en) * | 2023-08-14 | 2023-11-07 | 华能山东发电有限公司烟台发电厂 | Lighting optimization method and system for dual-purpose lighting device |
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