CN116437199B - Solar camera power supply management method and solar camera - Google Patents
Solar camera power supply management method and solar camera Download PDFInfo
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- CN116437199B CN116437199B CN202310691994.5A CN202310691994A CN116437199B CN 116437199 B CN116437199 B CN 116437199B CN 202310691994 A CN202310691994 A CN 202310691994A CN 116437199 B CN116437199 B CN 116437199B
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- 238000007726 management method Methods 0.000 title claims abstract description 25
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- 238000005286 illumination Methods 0.000 claims abstract description 41
- 238000005265 energy consumption Methods 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 29
- 238000012544 monitoring process Methods 0.000 claims description 24
- 238000004146 energy storage Methods 0.000 claims description 10
- 230000006870 function Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 9
- 230000008054 signal transmission Effects 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 6
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- 230000005611 electricity Effects 0.000 claims description 4
- 238000012163 sequencing technique Methods 0.000 claims description 3
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- 238000011010 flushing procedure Methods 0.000 abstract 1
- 238000004590 computer program Methods 0.000 description 7
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- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/65—Control of camera operation in relation to power supply
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/004—Generation forecast, e.g. methods or systems for forecasting future energy generation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/71—Circuitry for evaluating the brightness variation
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Abstract
The invention provides a solar camera power management method and a solar camera, wherein the method comprises the following steps: acquiring illumination intensity information of a first time point of an area where the solar camera is located in a first duration; determining a first electric quantity obtained by solar energy conversion from a starting time point of a first duration to a first time point of the solar camera according to illumination intensity information and photoelectric conversion efficiency; determining the total electric quantity of the solar camera at a first time point according to the first electric quantity, the second electric quantity and the consumed electric quantity; the first energy consumption is regulated, so that the total electric quantity corresponding to any one first time point is larger than the basic electric quantity; according to the method, the electric energy flushing condition of the solar camera in a set time period can be predicted according to weather information of the set time period in the future, and the energy consumption of the camera is intelligently adjusted by combining the consumption of the electric energy, so that the camera can always keep a normal working state in the set time period even in continuous overcast and rainy weather.
Description
Technical Field
The invention relates to the field of computers, in particular to a solar camera power management method and a solar camera.
Background
The solar camera is intelligent equipment which uses solar energy as energy source to realize remote monitoring and security monitoring functions. The solar energy monitoring system utilizes the solar cell panel or the solar photovoltaic panel to convert sunlight into electric energy, and provides power supply for monitoring equipment, so that the solar energy monitoring system works independently and provides long-time monitoring service.
The use scene of the solar camera is mainly used for outdoor forests, villages, mountains and the like which are inconvenient to connect with electricity. Under the condition of no commercial power, the power supply of the camera through solar energy is mainly influenced by weather, and if the local weather is continuous overcast and rainy weather, the camera can not work due to insufficient electric quantity; the existing solar camera mainly solves the problems by arranging a standby power supply, but the duration of overcast and rainy weather is unknown due to uncontrollable weather conditions, the capacity of the standby power supply is limited, and the standby power supply is consumed completely, namely, the problem solving mode is not combined with future weather conditions, and the camera is difficult to ensure to be continuously used in overcast and rainy weather with weaker solar energy.
Therefore, the existing solar camera has a problem of continuous use in overcast and rainy weather for a long period of time.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a solar camera power management method and a solar camera that address the above-described problems.
The embodiment of the invention is realized in such a way that the solar camera power supply management method comprises the following steps:
acquiring illumination intensity information of a first time point of an area where the solar camera is located in a first time period, wherein the first time period is a set time period from a current time point to a future time point, and the first time point is any time point in the first time period;
determining a first electric quantity obtained by solar energy conversion from a starting time point of the first duration to the first time point of the solar camera according to the illumination intensity information and photoelectric conversion efficiency, wherein the photoelectric conversion efficiency is the efficiency of converting solar energy into electric energy;
determining the total electric quantity of the solar camera at the first time point according to the first electric quantity, the second electric quantity and the consumed electric quantity, wherein the second electric quantity is the existing electric quantity of the solar camera at the starting time point of the first time period, and the consumed electric quantity is the electric quantity consumed by the solar camera in the process from the starting time point of the first time period to the first time point;
and adjusting the first energy consumption to enable the total electric quantity corresponding to any one first time point to be larger than the basic electric quantity, wherein the first energy consumption is the current energy consumption of the solar camera, and the basic electric quantity is the minimum electric quantity required by the solar camera to maintain the basic function.
In one embodiment, the present invention provides a solar camera comprising:
the energy storage module is used for storing electric energy;
the solar panel is used for converting solar energy into electric energy and storing the electric energy into the energy storage module;
the camera module is used for monitoring the monitoring target;
the communication module is used for carrying out information communication with the user side and the server; and
and the power supply management module is used for managing the power supply of the solar camera through the solar camera power supply management method.
The invention provides a solar camera power management method and a solar camera, wherein the power management method comprises the following steps: acquiring illumination intensity information of a first time point of an area where the solar camera is located in a first duration; determining a first electric quantity obtained by solar energy conversion from a starting time point of the first duration to the first time point of the solar camera according to the illumination intensity information and the photoelectric conversion efficiency; determining the total electric quantity of the solar camera at the first time point according to the first electric quantity, the second electric quantity and the consumed electric quantity; the first energy consumption is regulated, so that the total electric quantity corresponding to any one of the first time points is larger than the basic electric quantity; according to the method, the electric energy charging condition of the solar camera in a set time period can be predicted according to weather information of the set time period in the future, and the energy consumption state of the camera is intelligently adjusted by combining the consumption of the electric energy, so that the camera can always keep a normal working state in the set time period even in continuous overcast and rainy weather.
Drawings
FIG. 1 is a diagram of an application environment providing a method of solar camera power management in one embodiment;
FIG. 2 is a flow chart of a method of solar camera power management in one embodiment;
FIG. 3 is a flow chart of determining photoelectric conversion efficiency in a method of solar camera power management in one embodiment;
FIG. 4 is a flowchart of step S4 of a method for solar camera power management in one embodiment;
FIG. 5 is a flowchart of step S45 of a method for solar camera power management in one embodiment;
FIG. 6 is a functional block diagram of a solar camera in one embodiment;
fig. 7 is a block diagram showing an internal structure of a solar camera in one embodiment.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that the terms "first," "second," and the like, as used herein, may be used to describe various elements, but these elements are not limited by these terms unless otherwise specified. These terms are only used to distinguish one element from another element. For example, a first xx script may be referred to as a second xx script, and similarly, a second xx script may be referred to as a first xx script, without departing from the scope of this disclosure.
Fig. 1 is a diagram of an application environment of a solar camera power management method according to an embodiment, and as shown in fig. 1, the application environment includes a solar camera 110, a terminal 120, and a server 130.
The solar camera 110 may be a separate solar camera, an integrated solar camera, a cradle head type solar camera, a mobile solar camera, or the like, but is not limited thereto.
The terminal 120 may be, but is not limited to, a smart phone, a tablet computer, a notebook computer, a desktop computer, a smart speaker, a smart watch, etc.
The server 130 may be an independent physical server or terminal, or may be a server cluster formed by a plurality of physical servers, or may be a cloud server that provides basic cloud computing services such as a cloud server, a cloud database, cloud storage, and a CDN.
The solar camera 110, the terminal 120, and the server 130 may be connected by a network, which is not limited herein.
As shown in fig. 2, in one embodiment, a method for power management of a solar camera is provided, which specifically may include the following steps:
step S1, obtaining illumination intensity information of a first time point of an area where the solar camera is located in a first time period, wherein the first time period is a set time period from a current time point to a future time point, and the first time point is any time point in the first time period;
step S2, determining a first electric quantity obtained by converting solar energy from a starting time point of the first duration to the first time point of the solar camera according to the illumination intensity information and photoelectric conversion efficiency, wherein the photoelectric conversion efficiency is the efficiency of converting the solar energy into electric energy;
step S3, determining the total electric quantity of the solar camera at the first time point according to the first electric quantity, the second electric quantity and the consumed electric quantity, wherein the second electric quantity is the existing electric quantity of the solar camera at the starting time point of the first duration, and the consumed electric quantity is the electric quantity consumed by the solar camera in the process from the starting time point of the first duration to the first time point;
and S4, adjusting the first energy consumption to enable the total electric quantity corresponding to any one first time point to be larger than the basic electric quantity, wherein the first energy consumption is the current energy consumption of the solar camera, and the basic electric quantity is the minimum electric quantity required by the solar camera to maintain the basic function.
Optionally, the illumination intensity information may be from a weather bureau database, a global radiation index database or other weather information databases, and the illumination intensity information may include an illumination intensity value and a corresponding position thereof, which is not limited herein; the server pre-processes the information obtained from the database to obtain illumination intensity information, and the solar camera obtains the illumination intensity information from the server.
Alternatively, the first period may be 1 hour, 1 day, 10 days, 1 month, or other periods, which are periods determined by the user according to the monitoring requirements, and are not limited herein.
Optionally, the basic functions of the solar camera include video recording, remote monitoring, solar power supply and the like, but are not limited to the above.
Alternatively, the type of solar panel in the present solar camera may be a monocrystalline silicon solar cell, a polycrystalline silicon solar cell, a thin film solar cell, or other types of solar cells, which are not limited herein.
In the implementation, the photoelectric conversion efficiency reflects the capability of the solar panel for directly converting light into electric energy, and the main determinants are the type of the solar panel and the illumination intensity of the sun, and under the condition that the type of the solar panel is determined, the illumination intensity becomes a decisive factor for determining the photoelectric conversion efficiency and has a corresponding correlation relationship with the photoelectric conversion efficiency; in the method, the solar camera can acquire weather information, especially key illumination intensity information, of a set period of time in the future, and determine corresponding photoelectric conversion efficiency according to the correlation between illumination intensity and photoelectric conversion efficiency, the solar camera can predict the electric energy charging condition of the solar camera of the period of time according to the photoelectric conversion efficiency, and the energy consumption state of the camera is intelligently adjusted by combining the consumption of the electric energy, so that the camera can always keep a normal working state in the set period of time even in continuous overcast and rainy weather, and the set period of time is determined by a user according to the use requirement of the user, so that the effect of meeting the user requirement under various weather conditions can be realized by the method.
In a preferred embodiment, in step S2, determining, according to the illumination intensity information and the photoelectric conversion efficiency, a first amount of electricity obtained by converting solar energy from a starting time point of the first duration to the first time point of the present solar camera is performed by the following formula:
，
wherein,,for the first electrical quantity, < >>For the first time point,/a>For the photoelectric conversion efficiency, the photoelectric conversion efficiency at the first time point +.>Corresponding to the illumination intensity of the first time point, < >>For solar panel power, +.>Is the battery voltage.
Further, as shown in fig. 3, the photoelectric conversion efficiency at the first time point is determined by:
step S21, determining a first illumination intensity value, wherein the first illumination intensity value is an illumination intensity value corresponding to the first time point;
step S22, obtaining a plurality of historical photoelectric conversion efficiencies corresponding to the first illumination intensity values;
and step S23, taking the average value of each historical photoelectric conversion efficiency as the photoelectric conversion efficiency of the first time point.
For example, by obtaining the first illumination intensity value, such as 50000lx, from the illumination intensity information at the first time point, and obtaining the photoelectric conversion efficiencies, such as 18%, 20% and 22%, corresponding to the three illumination intensities of 50000lx from the historical data, the photoelectric conversion efficiencies at the first time point are averaged, that is, 20%.
In this embodiment, because other influencing factors exist in the correlation between the illumination intensity and the photoelectric conversion efficiency, the value error can be reduced by averaging the historical data; furthermore, the photoelectric conversion efficiency corresponding to each time point in the first period is different, and the first electric quantity obtained by integrating the first electric quantity considers the change of the photoelectric conversion efficiency when converting solar energy into electric energy.
As a preferred embodiment, the determining the total power of the solar camera at the first time point according to the first power, the second power and the power consumption is performed by the following formula:
，
wherein,,for the total amount of electricity, +.>For the first electrical quantity, < >>For the second electrical quantity,/->And (5) the power consumption is the power consumption.
Further, as shown in fig. 4, step S4 includes:
step S41, determining the second electric quantityIs +.>Is equal to or greater than the difference of the electric quantity>：
，
Step S42, judging whether the electric quantity difference is larger than a set electric quantity or not;
and step S43, when the electric quantity difference is larger than the set electric quantity, the solar camera is kept in a standard working state, and the standard working state is a state that each function of the solar camera reaches a preset standard.
Step S44, when the power difference is between the basic power and the set power, determining a minimum power time point, and when the first time point is the minimum power time point, the corresponding total power is the lowest in the first time range;
step S45, adjusting the first energy consumption, so that the solar camera enters a low energy consumption state, and when the first time point reaches the time point of the minimum electric quantity, the total electric quantity is larger than the basic electric quantity, and the low energy consumption state is that at least one basic function of the solar camera is lower than a preset standard.
Wherein, as shown in fig. 5, the adjusting the first energy consumption includes:
step S451, determining a first degree of adjustability of a first adjustment element, where the first adjustment element includes a video recording definition, a video recording mode, and a video signal transmission rate, and the first energy consumption can be adjusted by adjusting each first adjustment element, and the magnitude of the first degree of adjustability represents a magnitude of a current value of the first adjustment element from a lowest value of the first adjustment element;
step S452, sorting the first adjustment elements according to the order of the first adjustable degrees from large to small, to obtain a first adjustment order;
step S453, adjusting each of the first adjustment elements in turn according to the first adjustment sequence until the total electric quantity is greater than the basic electric quantity when the first time point can obtain the minimum electric quantity time point.
The video recording mode comprises full-time video recording and intermittent video recording, wherein the full-time video recording is a recording mode that the solar camera records in the whole time period of the first time period, and the intermittent video recording is a recording mode that the solar camera alternately records and sleeps in the first time period; when the solar camera is in a standard working state, the video recording mode is full-time video recording; when the solar camera is in a low-energy consumption state, the video recording mode is intermittent video recording, and when a monitoring target appears in the monitoring range of the solar camera, the solar camera is awakened and monitors the monitoring target until a second time length is reserved after the monitoring target leaves the monitoring range, and the second time length is determined according to the energy consumption required to be adjusted; alternatively, the second duration may be 5 seconds, 10 seconds, 15 seconds, or other durations, without limitation.
For the steps S451 to S453, for the two first adjustment elements of the video recording mode and the video signal transmission rate, the current video recording mode is intermittent video recording, and the corresponding second duration is 20 seconds, and the lowest second duration is 5 seconds, and according to the conversion relation between the preset adjustment degree and the video recording mode (for example, the second duration corresponds to one adjustment degree every 5 seconds), the first adjustment degree corresponding to the current video recording mode is 3; furthermore, if the current video signal transmission rate is 5Mbps and the minimum adjustable transmission rate is 1Mbps, according to the conversion relation between the preset adjustment degree and the video signal transmission rate (for example, each 1Mbps corresponds to one adjustment degree), the first adjustment degree corresponding to the current video signal transmission rate is 4, so that the second adjustment degree corresponding to the video signal transmission rate is greater than the second adjustment degree corresponding to the video recording mode, and the video signal transmission rate is adjusted first.
In addition, the video recording definition is adjusted by: determining a second degree of adjustability of a second adjustment element associated with the video recording definition, the second adjustment element comprising a resolution, a frame rate, a color depth, and a compression level, the video recording definition being adjustable by adjusting each of the second adjustment elements, the magnitude of the second degree of adjustability being indicative of the magnitude of the current value of the second adjustment element from its lowest value; sequencing the second adjustment elements according to the sequence from the big to the small of the second adjustable degree to obtain a second adjustment sequence; and adjusting each second adjusting element in turn according to the second adjusting sequence.
For example, for two second adjustment elements of resolution and frame rate, if the current resolution is 720P, the minimum value of the adjustment is 480P, according to the preset conversion relationship between the adjustment and resolution (for example, adjustment 120P corresponds to one adjustment), the second adjustment corresponding to the current resolution is 2, if the current frame rate is 28fps, the minimum value of the adjustment is 28fps, according to the preset conversion relationship between the adjustment and frame rate (for example, adjustment 1fps corresponds to one adjustment), the second adjustment corresponding to the current frame rate is 4, so the second adjustment corresponding to the frame rate is greater than the second adjustment corresponding to the resolution, and the frame rate is adjusted first.
In this embodiment, the solar camera can compare the adjustable degrees of the first adjustment element and the second adjustment element in real time, so as to adjust the first adjustment sequence and the second adjustment sequence in real time; in the method, for each first or second adjusting element, if the value of each first or second adjusting element is lower than the lowest value, the whole function of the solar camera or the whole quality of the video picture can be seriously influenced.
As a preferred embodiment, if the difference between the power levels is negative, an emergency protection mechanism is started and an emergency signal is sent to the user terminal, where the emergency protection mechanism is used to adjust at least one first adjustment element to be below a minimum value, so that the solar camera is kept in a power-on state, and further can keep communication with the user terminal.
In this embodiment, the emergency protection mechanism may be started immediately when the difference in electric power is negative, or may be started after a set period of time is continued when the difference in electric power is negative, where the set period of time may be 1 hour, 1 day or other periods of time, which is not limited herein. The number of items of the first adjustment elements which need to be adjusted to be below the minimum value after the emergency protection mechanism is started is determined according to a preset standard, for example, when the second electric quantity accounts for 20% -30% of the maximum storage electric quantity, one first adjustment element is adjusted to be below the minimum value, and when the second electric quantity accounts for 10% -20% of the maximum storage electric quantity, two first adjustment elements are adjusted to be below the minimum value; when the electric quantity is too low, the invention can automatically adjust the adjustment factors of each consumed electric quantity of the solar camera as low as possible so as to ensure that the solar camera has sufficient electric quantity to communicate with the user side, and further the user side can take measures in time to solve the problem.
As shown in fig. 6, in one embodiment, there is also provided a solar camera including:
the energy storage module is used for storing electric energy;
the solar panel is used for converting solar energy into electric energy and storing the electric energy into the energy storage module;
the camera module is used for monitoring the monitoring target;
the communication module is used for carrying out information communication with the user side and the server; and
and the power supply management module is used for managing the power supply of the solar camera through the solar camera power supply management method.
Alternatively, the energy storage module may be a battery, a capacitor, or other type of energy storage device, without limitation.
Alternatively, the solar panel may be of the type of a monocrystalline silicon solar cell, a polycrystalline silicon solar cell, a thin film solar cell or other types of solar cells, without limitation.
Alternatively, the camera module may be a fixed camera, a cradle head camera, a monocular camera, a multi-eye camera, a CMOS sensor camera, or a CCD sensor camera, but is not limited thereto.
In this embodiment, the solar camera can acquire weather information, especially key illumination intensity information, of a set period of time in the future through the communication module, the power management module determines the corresponding photoelectric conversion efficiency according to the correlation between the illumination intensity and the photoelectric conversion efficiency, and can predict the electric energy charging conditions of the solar panel and the energy storage module of the period of time according to the photoelectric conversion efficiency, and then the energy consumption of the energy storage module is combined to intelligently adjust the energy consumption state of the camera, so that the camera can always maintain a normal working state in the set period of time even in continuous overcast and rainy weather.
Fig. 7 shows an internal structural diagram of a solar camera in one embodiment. The solar camera comprises a processor, a memory, a network interface, an input device and a display screen which are connected through a system bus. The memory includes a nonvolatile storage medium and an internal memory. The non-volatile storage medium of the solar camera stores an operating system and also stores a computer program, and when the computer program is executed by a processor, the processor can be enabled to realize the solar camera power management method provided by the embodiment of the invention. The internal memory may also store a computer program, which when executed by the processor, causes the processor to execute the solar camera power management method provided by the embodiment of the invention. The display screen of the solar camera can be a liquid crystal display screen or an electronic ink display screen, the input device of the solar camera can be a touch layer covered on the display screen, can also be a key, a track ball or a touch pad arranged on the shell of the solar camera, and can also be an external keyboard, a touch pad or a mouse and the like.
It will be appreciated by those skilled in the art that the structure shown in fig. 7 is merely a block diagram of a portion of the structure associated with the present inventive arrangements and is not limiting of the solar camera to which the present inventive arrangements are applied, and that a particular solar camera may include more or fewer components than shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, a solar camera is presented, comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the following steps when executing the computer program:
acquiring illumination intensity information of a first time point of an area where the solar camera is located in a first time period, wherein the first time period is a set time period from a current time point to a future time point;
determining a first electric quantity obtained by solar energy conversion from a starting time point of the first duration to the first time point of the solar camera according to the illumination intensity information and the photoelectric conversion efficiency;
determining the total electric quantity of the solar camera at the first time point according to the first electric quantity, the second electric quantity and the consumed electric quantity;
and adjusting the first energy consumption to enable the total electric quantity corresponding to any one of the first time points to be larger than the basic electric quantity.
In one embodiment, a readable storage medium is provided, the readable storage medium having stored thereon a computer program which, when executed by a processor, causes the processor to perform the steps of:
acquiring illumination intensity information of a first time point of an area where the solar camera is located in a first time period, wherein the first time period is a set time period from a current time point to a future time point;
determining a first electric quantity obtained by solar energy conversion from a starting time point of the first duration to the first time point of the solar camera according to the illumination intensity information and the photoelectric conversion efficiency;
determining the total electric quantity of the solar camera at the first time point according to the first electric quantity, the second electric quantity and the consumed electric quantity;
and adjusting the first energy consumption to enable the total electric quantity corresponding to any one of the first time points to be larger than the basic electric quantity.
It should be understood that, although the steps in the flowcharts of the embodiments of the present invention are shown in order as indicated by the arrows, these steps are not necessarily performed in order as indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least some of the steps in various embodiments may include multiple sub-steps or stages that are not necessarily performed at the same time, but may be performed at different times, nor do the order in which the sub-steps or stages are performed necessarily performed in sequence, but may be performed alternately or alternately with at least a portion of the sub-steps or stages of other steps or other steps.
Those skilled in the art will appreciate that all or part of the processes in the methods of the above embodiments may be implemented by a computer program for instructing relevant hardware, where the program may be stored in a non-volatile computer readable storage medium, and where the program, when executed, may include processes in the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in embodiments provided herein may include non-volatile and/or volatile memory. The nonvolatile memory can include Read Only Memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), memory bus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), among others.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (7)
1. A method of solar camera power management, the method comprising:
acquiring illumination intensity information of a first time point of an area where the solar camera is located in a first time period, wherein the first time period is a set time period from a current time point to a future time point, and the first time point is any time point in the first time period;
determining a first electric quantity obtained by solar energy conversion from a starting time point of the first duration to the first time point of the solar camera according to the illumination intensity information and photoelectric conversion efficiency, wherein the photoelectric conversion efficiency is the efficiency of converting solar energy into electric energy;
determining the total electric quantity of the solar camera at the first time point according to the first electric quantity, the second electric quantity and the consumed electric quantity, wherein the second electric quantity is the existing electric quantity of the solar camera at the starting time point of the first time period, and the consumed electric quantity is the electric quantity consumed by the solar camera in the process from the starting time point of the first time period to the first time point;
the method comprises the steps of adjusting first energy consumption to enable total electric quantity corresponding to any first time point to be larger than basic electric quantity, wherein the first energy consumption is current energy consumption of the solar camera, and the basic electric quantity is the minimum electric quantity required by the solar camera to maintain basic functions;
the method comprises the steps of determining the total electric quantity of the solar camera at the first time point according to the first electric quantity, the second electric quantity and the consumed electric quantity through the following formula:
Q ti ＝q 1i +q 2 -q 3i
wherein Q is ti Q is the total electric quantity 1i For the first electric quantity, q 2 For the second electric quantity, q 3i For the power consumption;
the adjusting the first energy consumption to enable the total electric quantity corresponding to any one of the first time points to be larger than the basic electric quantity comprises the following steps:
determining the second electrical quantity q 2 And the basic electric quantity q min Is the difference q of electric quantity k ：
q k ＝q 2 -q min
Judging whether the electric quantity difference is larger than a set electric quantity or not;
when the electric quantity difference is larger than the set electric quantity, the solar camera is enabled to maintain a standard working state, wherein the standard working state is a state that each function of the solar camera reaches a preset standard;
when the electric quantity difference is between the basic electric quantity and the set electric quantity, determining a minimum electric quantity time point, and when the first time point is taken to the minimum electric quantity time point, the corresponding total electric quantity is the lowest in the first time length range;
the first energy consumption is adjusted, so that the solar camera enters a low energy consumption state, and when the first time point obtains the time point with the lowest electric quantity, the total electric quantity is larger than the basic electric quantity, and the low energy consumption state is that at least one basic function of the solar camera is lower than a preset standard;
said adjusting said first energy consumption comprises:
determining a first adjustable degree of a first adjustment element, wherein the first adjustment element comprises video recording definition, video recording mode and video signal transmission rate, the first energy consumption can be adjusted by adjusting each first adjustment element, and the magnitude of the first adjustable degree represents the magnitude of the current value of the first adjustment element from the lowest value of the first adjustment element;
sequencing the first adjustment elements according to the sequence from the big to the small of the first adjustable degree to obtain a first adjustment sequence;
and adjusting each first adjusting element in turn according to the first adjusting sequence until the total electric quantity is larger than the basic electric quantity when the first time point can obtain the time point of the lowest electric quantity.
2. The method according to claim 1, wherein determining the first amount of electricity that the solar camera receives from the solar energy conversion from the starting point in time of the first period to the first point in time according to the illumination intensity information and the photoelectric conversion efficiency is performed by the following formula:
wherein q 1i For the first electric quantity, t 1i For the first time point, k 1i For the photoelectric conversion efficiency, the photoelectric conversion efficiency k at the first time point 1i P corresponds to the illumination intensity at the first time point 1 For solar panel power, U 1 Is the battery voltage.
3. The method according to claim 2, wherein the photoelectric conversion efficiency at the first point in time is determined by:
determining a first illumination intensity value, wherein the first illumination intensity value is an illumination intensity value corresponding to the first time point;
acquiring a plurality of historical photoelectric conversion efficiencies corresponding to the first illumination intensity values;
and taking the average value of the historical photoelectric conversion efficiencies as the photoelectric conversion efficiency of the first time point.
4. The method of claim 1, wherein the video recording mode includes a full-time video recording mode in which the present solar camera records for the entire time period of the first time period and an intermittent video recording mode in which the present solar camera alternately records and sleeps for the first time period;
when the solar camera is in a standard working state, the video recording mode is full-time video recording;
when the solar camera is in a low-energy consumption state, the video recording mode is intermittent video recording, and when a monitoring target appears in the monitoring range of the solar camera, the solar camera is awakened and monitors the monitoring target until a second time length is reserved after the monitoring target leaves the monitoring range, and the second time length is determined according to the energy consumption required to be adjusted.
5. The method of claim 1, wherein the video recording definition is adjusted by:
determining a second degree of adjustability of a second adjustment element associated with the video recording definition, the second adjustment element comprising a resolution, a frame rate, a color depth, and a compression level, the video recording definition being adjustable by adjusting each of the second adjustment elements, the magnitude of the second degree of adjustability being indicative of the magnitude of the current value of the second adjustment element from its lowest value;
sequencing the second adjustment elements according to the sequence from the big to the small of the second adjustable degree to obtain a second adjustment sequence;
and adjusting each second adjusting element in turn according to the second adjusting sequence.
6. The method of claim 1, wherein if the difference in power is negative, an emergency protection mechanism is activated and an emergency signal is sent to the user terminal, wherein the emergency protection mechanism is configured to adjust at least one of the first adjustment elements to a value below a minimum value, so that the solar camera remains on, and further, the solar camera can remain in communication with the user terminal.
7. A solar camera, comprising:
the energy storage module is used for storing electric energy;
the solar panel is used for converting solar energy into electric energy and storing the electric energy into the energy storage module;
the camera module is used for monitoring the monitoring target;
the communication module is used for carrying out information communication with the user side and the server; and
the power management module manages the power of the solar camera by the solar camera power management method according to any one of claims 1 to 6.
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