A method and device for dynamically adjusting camera frame rate based on weather season

Abstract

The present application belongs to the field of security, and particularly relates to a method and device for dynamically adjusting the frame rate of a camera based on weather and season. The method comprises: step S1, obtaining the average daily charge of the solar charging panel carried by the camera; step S2, determining the charging date when the solar charging panel can be charged according to the weather conditions of a set number of days in the future; step S3, generating battery capacity curves with different frame rates according to the charging date, the average daily charge and the average daily power consumption at different frame rates; step S4, determining the maximum frame rate corresponding to each battery capacity curve in which the battery power is always kept above the minimum working threshold within the set number of days; step S5, setting each working mode of the camera corresponding to the maximum frame rate to allow the user to select, and controlling the AOV frame rate of the camera based on the working mode selected by the user. The present application improves the battery life and imaging clarity of the camera by dynamically adjusting the AOV frame rate of the camera.

Description

Technical Field

[0001] The present application relates to the field of security, and in particular to a method and device for dynamically adjusting a camera frame rate based on weather and season. Background Art

[0002] Cameras usually need to be installed at high places to obtain a wider field of view. Currently, cameras equipped with batteries and solar charging panels have a short battery life, which requires users to frequently climb ladders to charge or replace batteries for cameras at high places. For this reason, upstream main control chip manufacturers have developed AOV (Always-on-video) technology, that is, when there is no moving object passing by the camera, the camera is controlled to wake up at regular intervals (such as 5s) to take a photo, and then sleep, eventually forming a Gif-like animated image, which allows users to see a full-day video, thus meeting the 7*24h video recording needs of battery products.

[0003] However, judging from the power consumption corresponding to the AOV frame rate given by the upstream, its power consumption is still relatively high. The higher the resolution, the more serious this problem is, especially for high-resolution products such as 4K. If a higher AOV frame rate is set, the battery power will usually be exhausted in about a month. At this time, you will have to rely on solar charging panels to charge the battery. However, there are fewer days with sunshine and temperatures above 0 degrees in winter, and the charging capacity of solar charging panels is not enough to keep the camera safe through the winter. Safely wintering a camera usually means ensuring that the camera is powered for 3 months. Otherwise, the camera will be offline and unable to monitor due to insufficient power in winter, and high-altitude operations are required to charge the camera battery, which results in a poor user experience. Summary of the invention

[0004] In order to solve the above technical problems, the present application provides a method and device for dynamically adjusting the camera frame rate based on weather season, by reasonably setting the AOV frame rate to take into account both the camera effect and the battery life.

[0005] The first aspect of the present application provides a method for dynamically adjusting the frame rate of a camera based on weather season, mainly comprising:

[0006] Step S1, obtaining the average daily charging capacity of the solar charging panel carried by the camera;

[0007] Step S2, determining a charging date for charging the solar charging panel according to the weather conditions of a set number of days in the future;

[0008] Step S3, generating battery capacity curves of different frame rates according to the charging date, the average daily charging amount and the average daily power consumption of different frame rates;

[0009] Step S4, determining the maximum frame rate corresponding to each battery capacity curve in which the battery power is always kept above the minimum working threshold within the set number of days;

[0010] Step S5: Set each camera operating mode corresponding to a maximum frame rate not exceeding the maximum frame rate to allow the user to select, and control the AOV frame rate of the camera based on the operating mode selected by the user.

[0011] Preferably, in step S2, the number of days is set to 30 days.

[0012] Preferably, in step S3, the average daily power consumption of different frame rates is calculated by the following formula:

[0013] P i总 =P 0 *H 0 +P i *(24-H 0 );

[0014] Among them, P i总 is the average daily power consumption of the ith frame rate, P 0 is the power consumption in standard frame rate mode, H 0 is the daily working time in standard frame rate mode according to historical records, P i is the power consumption of the i-th frame rate in AOV working mode.

[0015] Preferably, in step S5, the working modes include a performance mode with a higher frame rate, an energy-saving mode with a lower frame rate, and a balanced mode with frame rates intervening therebetween. When the working mode corresponding to the maximum frame rate exceeds the balanced mode, the balanced mode is used by default to control the AOV frame rate of the camera. Otherwise, the working mode corresponding to the maximum frame rate is used to control the AOV frame rate of the camera.

[0016] Preferably, step S5 further comprises:

[0017] Step S51: for an operating mode that is not allowed to be selected by the user, determining the date when the battery power is lower than the minimum operating threshold according to the battery capacity curve of the frame rate corresponding to the operating mode, so as to generate a charging reminder including the date;

[0018] Step S52: In the mandatory enabling setting of the operating mode that is not allowed to be selected by the user, based on the confirmation of the charging reminder, all operating modes are set to be selectable by the user.

[0019] The second aspect of the present application provides a device for dynamically adjusting the frame rate of a camera based on weather season, mainly comprising:

[0020] The daily average charging capacity acquisition module is used to obtain the daily average charging capacity of the solar charging panel carried by the camera;

[0021] A charging date determination module, used to determine a charging date when the solar charging panel can be charged according to weather conditions in the future set number of days;

[0022] A battery capacity curve generation module is used to generate battery capacity curves with different frame rates according to the charging date, the average daily charging amount and the average daily power consumption at different frame rates;

[0023] A maximum frame rate determination module, used to determine the maximum frame rate corresponding to each battery capacity curve in which the battery power is always kept above the minimum working threshold within the set number of days;

[0024] The AOV frame rate control module is used to set the camera working modes corresponding to the maximum frame rate to allow the user to select, and control the camera's AOV frame rate based on the working mode selected by the user.

[0025] Preferably, the set number of days is 30 days.

[0026] Preferably, in the battery capacity curve generation module, the average daily power consumption at different frame rates is calculated by the following formula:

[0027] P i总 =P 0 *H 0 +P i *(24-H 0 );

[0028] Among them, P i总 is the average daily power consumption of the ith frame rate, P 0 is the power consumption in standard frame rate mode, H 0 is the daily working time in standard frame rate mode according to historical records, P i is the power consumption of the i-th frame rate in AOV working mode.

[0029] Preferably, the working modes include a performance mode with a higher frame rate, an energy-saving mode with a lower frame rate, and a balanced mode with frame rates intervening therebetween. When the working mode corresponding to the maximum frame rate exceeds the balanced mode, the balanced mode is used by default to control the AOV frame rate of the camera. Otherwise, the working mode corresponding to the maximum frame rate is used to control the AOV frame rate of the camera.

[0030] Preferably, the AOV frame rate control module further comprises:

[0031] a charging reminder generating unit, for determining, for an operating mode that is not allowed to be selected by the user, a date when the battery power level is lower than a minimum operating threshold value according to a battery capacity curve of a frame rate corresponding to the operating mode, so as to generate a charging reminder containing the date;

[0032] The working mode setting unit is used to set all working modes to be selectable by the user based on the confirmation of the charging reminder in the forced activation setting of the working mode that is not allowed to be selected by the user.

[0033] This application improves the camera's battery life and imaging clarity by dynamically adjusting the camera's AOV frame rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a flowchart of a preferred embodiment of the method of dynamically adjusting the camera frame rate based on weather seasons of the present application. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantages of the implementation of this application clearer, the technical scheme in the implementation of this application will be described in more detail in combination with the drawings in the implementation of this application. In the drawings, the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The described implementation is a part of the implementation of this application, not all of the implementations. The implementation described below with reference to the drawings is exemplary and is intended to be used to explain this application, and cannot be understood as a limitation on this application. Based on the implementation in this application, all other implementations obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application. The implementation of this application is described in detail below in combination with the drawings.

[0036] The first aspect of the present application provides a method for dynamically adjusting the frame rate of a camera based on weather seasons, such as Figure 1 As shown, it mainly includes:

[0037] Step S1, obtaining the average daily charging capacity of the solar charging panel carried by the camera.

[0038] This step is used to determine the charging capacity of the solar charging panel. Different solar charging panel power designs have different fast charging capabilities. After the product project is established, the charging capacity is determined, and the approximate charging amount for a day can be calculated. For example, for a 3W solar charging panel, the average daily charging time is about 1200mah in 1 hour.

[0039] Step S2: Determine a charging date for charging the solar charging panel based on weather conditions for a set number of days in the future.

[0040] In some optional implementations, in step S2, the number of days is set to 30 days.

[0041] In this embodiment, the prediction is made with the next month as a cycle, and the latitude and longitude and IP address of the area where the camera product is located are combined. The local weather forecast and monthly seasonal information for the next consecutive month are captured through the Internet, and the number of days with a temperature above 0° and no rainy days and the order of dates are counted, so as to subsequently arrange the charging of the solar charging panel of the camera and calculate the remaining battery power.

[0042] Step S3: generating battery capacity curves at different frame rates according to the charging date, the average daily charging amount and the average daily power consumption at different frame rates.

[0043] As mentioned before, the solar panel charges 1200mah. When the AOV frame rate is set to 12 frames / minute, that is, one image is produced every 5 seconds, its daily power consumption is about 300mah, which means that the power charged by the solar panel for one day can support the use of the camera for 4 days.

[0044] In step S3, the battery capacity curve is a curve with time as the horizontal axis and the remaining battery power as the vertical axis. The generation of the battery capacity curve mainly includes: (1) when not charging, controlling the power curve to extend downward according to the average daily power consumption; (2) when charging, controlling the power curve to extend upward according to the difference between the average daily charging amount and the average daily power consumption; (3) when fully charged, if it is still within the charging date, the power curve extends in a direction parallel to the horizontal axis.

[0045] The slopes of the downward tilt extension and the upward tilt extension involved in the above steps need to be determined according to the AOV frame rate, that is, when the average daily charging amount is basically stable, the average daily power consumption is mainly determined by the AOV frame rate. In some optional implementations, in step S3, the average daily power consumption of different frame rates is calculated by the following formula:

[0046] P i总 =P 0 *H 0 +P i *(24-H 0 );

[0047] Among them, P i总 is the average daily power consumption of the ith frame rate, P 0 is the power consumption in standard frame rate mode, H 0 is the daily working time in standard frame rate mode according to historical records, P i is the power consumption of the i-th frame rate in AOV working mode

[0048] In this embodiment, the working time of the standard frame rate mode of each day can be roughly determined based on historical records, that is, when a moving object passes by the camera, it is necessary to record the video at the standard frame rate. In addition to the power consumption of the normal operation of the camera mentioned above, the power consumption is calculated according to the AOV frame rate at other times. For each AOV frame rate, the total daily average power consumption is finally calculated.

[0049] Step S4, determining the maximum frame rate corresponding to each battery capacity curve in which the battery power is always kept above the minimum working threshold within the set number of days.

[0050] It is understandable that, generally, the higher the frame rate, the faster the battery capacity curve decreases, and the battery of the camera may even be exhausted before the next charging date. A minimum operating threshold is set here to monitor the battery capacity curve. For example, when the battery capacity curve drops below 3% of the power remaining, the camera will stop working. Therefore, step S4 calculates the maximum frame rate that can ensure that the camera can work stably and continuously.

[0051] Step S5: Set each camera operating mode corresponding to a maximum frame rate not exceeding the maximum frame rate to allow the user to select, and control the AOV frame rate of the camera based on the operating mode selected by the user.

[0052] It can be understood that step S4 calculates the maximum frame rate, which means that using other frame rates below the maximum frame rate will not drain the camera battery. Therefore, the working mode corresponding to the maximum frame rate and other working modes below the power consumption can be selected, and the user can select the appropriate working mode to control the camera operation.

[0053] In some optional embodiments, in step S5, the working mode includes a performance mode with a higher frame rate, an energy-saving mode with a lower frame rate, and a balanced mode with a frame rate between the two. When the working mode corresponding to the maximum frame rate exceeds the balanced mode, the balanced mode is used by default to control the AOV frame rate of the camera. Otherwise, the working mode corresponding to the maximum frame rate is used to control the AOV frame rate of the camera.

[0054] To simplify understanding, this application packages the AOV frame rate into three different modes so that it can adapt to different situations. The one with more than the average power consumption is called the performance mode, the one with less than the average power consumption is called the energy-saving mode, and the one within the average range is the normal or balanced mode. Generally speaking, the performance mode refers to a frame rate between 30 frames / minute and 60 frames / minute, the energy-saving mode refers to a frame rate of about 6 frames / minute, and the frame rate of the balanced mode is between the two. In alternative implementations, more modes can also be used for AOV frame rate control, such as a first-level mode with a frame rate of 0-10 frames / minute, a second-level mode with a frame rate of 11-20 frames / minute, a third-level mode with a frame rate of 21-30 frames / minute, a fourth-level mode with a frame rate of 31-40 frames / minute, and so on.

[0055] It should also be noted that if the weather in the next month supports the camera to turn on the performance mode, in order to improve reliability and prevent the camera from being unable to charge when needed in the future due to inaccurate weather forecasts, the balanced mode is usually enabled by default, but users can still enable the performance mode more conveniently.

[0056] In some optional implementations, step S5 further includes:

[0057] Step S51: for an operating mode that is not allowed to be selected by the user, determining the date when the battery power is lower than the minimum operating threshold according to the battery capacity curve of the frame rate corresponding to the operating mode, so as to generate a charging reminder including the date;

[0058] Step S52: In the mandatory enabling setting of the operating mode that is not allowed to be selected by the user, based on the confirmation of the charging reminder, all operating modes are set to be selectable by the user.

[0059] In this embodiment, due to the user's demand for a high frame rate, the right of selection is usually further given to the user, but at the same time the user needs to be informed that if the high frame rate is enabled, the camera is very likely to shut down due to power exhaustion one day in the future. If the user understands this situation and is mentally prepared to charge the camera at high altitude or replace the battery, the working mode that was originally not allowed to be selected will be reset to an optional state.

[0060] Finally, it should be noted that the so-called dynamic adjustment of the camera frame rate in this application usually refers to executing the above steps once a day, or in step S2, when the local weather forecast for the next month captured through the Internet changes, the latest AOV frame rate setting strategy is updated.

[0061] This application calculates the remaining battery power of the camera based on weather conditions and adaptively adjusts the AOV frame rate to balance the best battery life experience and monitoring effect. When there is sufficient power, the monitoring performance is prioritized, and when the power is insufficient, it can reasonably save power.

[0062] The second aspect of the present application provides a device for dynamically adjusting the camera frame rate based on weather season corresponding to the above method, mainly comprising:

[0063] The daily average charging capacity acquisition module is used to obtain the daily average charging capacity of the solar charging panel carried by the camera;

[0064] A charging date determination module, used to determine a charging date when the solar charging panel can be charged according to weather conditions in the future set number of days;

[0065] A battery capacity curve generation module is used to generate battery capacity curves with different frame rates according to the charging date, the average daily charging amount and the average daily power consumption at different frame rates;

[0066] A maximum frame rate determination module, used to determine the maximum frame rate corresponding to each battery capacity curve in which the battery power is always kept above the minimum working threshold within the set number of days;

[0067] The AOV frame rate control module is used to set the camera working modes corresponding to the maximum frame rate to allow the user to select, and control the camera's AOV frame rate based on the working mode selected by the user.

[0068] In some optional implementations, the set number of days is 30 days.

[0069] In some optional implementations, in the battery capacity curve generation module, the average daily power consumption at different frame rates is calculated by the following formula:

[0070] P i总 =P 0 *H 0 +P i *(24-H 0 );

[0071] Among them, P i总 is the average daily power consumption of the ith frame rate, P 0 is the power consumption in standard frame rate mode, H 0 is the daily working time in standard frame rate mode according to historical records, P i is the power consumption of the i-th frame rate in AOV working mode.

[0072] In some optional embodiments, the working modes include a performance mode with a higher frame rate, an energy-saving mode with a lower frame rate, and a balanced mode with frame rates between the two. When the working mode corresponding to the maximum frame rate exceeds the balanced mode, the balanced mode is used by default to control the AOV frame rate of the camera. Otherwise, the working mode corresponding to the maximum frame rate is used to control the AOV frame rate of the camera.

[0073] In some optional implementations, the AOV frame rate control module further includes:

[0074] a charging reminder generating unit, for determining, for an operating mode that is not allowed to be selected by the user, a date when the battery power level is lower than a minimum operating threshold value according to a battery capacity curve of a frame rate corresponding to the operating mode, so as to generate a charging reminder containing the date;

[0075] The working mode setting unit is used to set all working modes to be selectable by the user based on the confirmation of the charging reminder in the forced activation setting of the working mode that is not allowed to be selected by the user.

[0076] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A method for dynamically adjusting the frame rate of a camera based on weather and season, characterized in that: include: Step S1, obtaining the average daily charging capacity of the solar charging panel carried by the camera; Step S2, determining a charging date for charging the solar charging panel according to the weather conditions of a set number of days in the future; Step S3, generating battery capacity curves of different frame rates according to the charging date, the average daily charging amount and the average daily power consumption of different frame rates; Step S4, determining the maximum frame rate corresponding to each battery capacity curve in which the battery power is always kept above the minimum working threshold within the set number of days; Step S5: Set each camera working mode corresponding to a maximum frame rate not exceeding the maximum frame rate to allow the user to select, and control the AOV frame rate of the camera based on the working mode selected by the user.

2. The method for dynamically adjusting the camera frame rate based on weather season as claimed in claim 1, characterized in that: In step S2, the number of days is set to 30 days.

3. The method for dynamically adjusting the camera frame rate based on weather season as claimed in claim 1, characterized in that: In step S3, the average daily power consumption of different frame rates is calculated by the following formula: P i总 =P0*H0+P i *(24-H0); Among them, P i总 is the average daily power consumption of the i-th frame rate, P0 is the power consumption in the standard frame rate mode, H0 is the daily working time in the standard frame rate mode according to historical records, and P i is the power consumption of the i-th frame rate in AOV working mode.

4. The method for dynamically adjusting the camera frame rate based on weather season as claimed in claim 1, characterized in that: In step S5, the working modes include a performance mode with a higher frame rate, an energy-saving mode with a lower frame rate, and a balanced mode with a frame rate between the higher frame rate and the lower frame rate. When the maximum frame rate is greater than or equal to the higher frame rate, the balanced mode is used by default to control the AOV frame rate of the camera. Otherwise, the working mode corresponding to the maximum frame rate is used to control the AOV frame rate of the camera.

5. The method for dynamically adjusting the camera frame rate based on weather season as claimed in claim 4, characterized in that: Step S5 further comprises: Step S51: for an operating mode that is not allowed to be selected by the user, determining the date when the battery power is lower than the minimum operating threshold according to the battery capacity curve of the frame rate corresponding to the operating mode, so as to generate a charging reminder including the date; Step S52: In the mandatory enabling setting of the operating mode that is not allowed to be selected by the user, based on the confirmation of the charging reminder, all operating modes are set to be selectable by the user.

6. A device for dynamically adjusting the frame rate of a camera based on weather and season, characterized in that: include: The daily average charging capacity acquisition module is used to obtain the daily average charging capacity of the solar charging panel carried by the camera; A charging date determination module, used to determine a charging date when the solar charging panel can be charged according to weather conditions in the future set number of days; A battery capacity curve generation module is used to generate battery capacity curves with different frame rates according to the charging date, the average daily charging amount and the average daily power consumption at different frame rates; A maximum frame rate determination module, used to determine the maximum frame rate corresponding to each battery capacity curve in which the battery power is always kept above the minimum working threshold within the set number of days; The AOV frame rate control module is used to set each camera working mode corresponding to a maximum frame rate not exceeding the maximum frame rate to allow the user to select, and control the AOV frame rate of the camera based on the working mode selected by the user.

7. The device for dynamically adjusting the frame rate of a camera based on weather and season as claimed in claim 6, characterized in that: The set number of days is 30 days.

8. The device for dynamically adjusting the frame rate of a camera based on weather and season as claimed in claim 6, characterized in that: In the battery capacity curve generation module, the average daily power consumption at different frame rates is calculated using the following formula: P i总 =P0*H0+P i *(24-H0); Among them, P i总 is the average daily power consumption of the i-th frame rate, P0 is the power consumption in the standard frame rate mode, H0 is the daily working time in the standard frame rate mode according to historical records, and P i is the power consumption of the i-th frame rate in AOV working mode.

9. The device for dynamically adjusting the frame rate of a camera based on weather and season as claimed in claim 6, characterized in that: The working modes include a performance mode with a higher frame rate, an energy-saving mode with a lower frame rate, and a balanced mode with a frame rate between the higher frame rate and the lower frame rate. When the maximum frame rate is greater than or equal to the higher frame rate, the balanced mode is used by default to control the AOV frame rate of the camera. Otherwise, the working mode corresponding to the maximum frame rate is used to control the AOV frame rate of the camera.

10. The device for dynamically adjusting the frame rate of a camera based on weather and season as claimed in claim 9, characterized in that: The AOV frame rate control module further includes: a charging reminder generating unit, for determining, for an operating mode that is not allowed to be selected by the user, a date when the battery power level is lower than a minimum operating threshold value according to a battery capacity curve of a frame rate corresponding to the operating mode, so as to generate a charging reminder containing the date; The working mode setting unit is used to set all working modes to be selectable by the user based on the confirmation of the charging reminder in the forced activation setting of the working mode that is not allowed to be selected by the user.

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