CN114421446A - Outdoor equipment power supply control method, power supply control system and outdoor equipment - Google Patents
Outdoor equipment power supply control method, power supply control system and outdoor equipment Download PDFInfo
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- CN114421446A CN114421446A CN202111631268.1A CN202111631268A CN114421446A CN 114421446 A CN114421446 A CN 114421446A CN 202111631268 A CN202111631268 A CN 202111631268A CN 114421446 A CN114421446 A CN 114421446A
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- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000004146 energy storage Methods 0.000 claims description 112
- 238000007600 charging Methods 0.000 description 23
- 238000001514 detection method Methods 0.000 description 19
- 230000005611 electricity Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000010277 constant-current charging Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010280 constant potential charging Methods 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H11/00—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Direct Current Feeding And Distribution (AREA)
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- Stand-By Power Supply Arrangements (AREA)
Abstract
The invention discloses an outdoor equipment power supply control method, an outdoor equipment power supply control system and outdoor equipment, which are applied to outdoor equipment, wherein the outdoor equipment comprises an outdoor equipment load and an electric connector, and the outdoor equipment power supply control method comprises the following steps: when the electric connector is detected to have power supply equipment access, determining the type of the accessed power supply equipment; and controlling on/off between the power supply equipment and the outdoor equipment load according to the determined type of the power supply equipment. The invention solves the problems that when the power supply equipment is not enough to support the power supply for the outdoor equipment load, the outdoor equipment load is directly powered off, and even data is lost when the outdoor equipment load is serious.
Description
Technical Field
The invention relates to the technical field of electronic circuits, in particular to an outdoor equipment power supply control method, an outdoor equipment power supply control system and outdoor equipment.
Background
The load in the outdoor equipment can be matched with various power supply equipment for supplying power, such as a power adapter, a solar panel, a mobile power supply and the like; the current common state is that power adapter and solar energy electroplax share a interface that charges, is subject to multiple factors, and power supply equipment such as solar energy electroplax probably can't support the system power supply for a long time, will appear when the battery does not exist or the electric quantity is not enough scheduling problem, and the system can fall the power, and data can lose.
Disclosure of Invention
The invention mainly aims to provide an outdoor equipment power supply control method, an outdoor equipment power supply control system and outdoor equipment, and aims to solve the problems that when power supply equipment is not enough to support power supply for outdoor equipment loads, the outdoor equipment loads are directly powered off, and even data is lost when the outdoor equipment loads are serious.
In order to achieve the above object, the present invention provides an outdoor device power supply control method, which is applied to an outdoor device, wherein the outdoor device includes an outdoor device load and an electrical connector, and the outdoor device power supply control method includes the following steps:
when the electric connector is detected to have power supply equipment access, determining the type of the accessed power supply equipment;
controlling on/off between the power supply equipment and the outdoor equipment load according to the determined type of the power supply equipment.
Optionally, when it is detected that the power supply device is connected to the electrical connector, the step of determining the type of the connected power supply device specifically includes:
when a first marking signal is received, determining that the type of power supply equipment accessed by the electric connector is a solar panel;
and when the first marking signal is not received, determining that the type of the power supply equipment accessed by the electric connector is a mobile power supply or a power adapter.
Optionally, the controlling on/off between the power supply device and the outdoor device load according to the determined power supply device type includes:
when the type of the power supply equipment accessed by the electric connector is determined to be a solar panel, the electric connector is controlled to be disconnected from the outdoor equipment load;
and when the type of the power supply equipment accessed by the electric connector is determined to be a mobile power supply or a power adapter, controlling the electric connector to be electrically connected with the outdoor equipment load so as to supply power to the outdoor equipment load.
Optionally, the outdoor device further comprises an energy storage system, and the energy storage system is respectively connected with the electrical connector and the outdoor device load; the outdoor equipment power supply control method further comprises the following steps:
and when the electric connector is determined to have the access of the power supply equipment, controlling the energy storage system to store the electric energy output by the power supply equipment.
Optionally, the outdoor device power supply control method further includes:
when the type of the power supply equipment accessed by the electric connector is determined to be a solar panel, detecting the electric quantity stored by the energy storage system;
when the electric quantity stored by the energy storage system is larger than or equal to a first electric quantity threshold value, the electric connector is controlled to be electrically connected with the outdoor equipment load in a switching-on mode, and therefore the solar panel is controlled to supply power to the outdoor equipment load.
Optionally, the outdoor device power supply control method further includes:
when the type of the power supply equipment accessed by the electric connector is determined to be a solar panel, detecting the electric quantity stored by the energy storage system;
and when the detected electric quantity stored by the energy storage system is smaller than the minimum working electric quantity threshold value, controlling the energy storage system to stop supplying power to the outdoor equipment load.
Optionally, the outdoor device power supply control method further includes:
and when the detected electric quantity stored by the energy storage system is greater than or equal to a second electric quantity threshold value, controlling the energy storage system to supply power to the outdoor equipment load.
Optionally, the outdoor device power supply control method further includes:
when the type of the power supply equipment accessed by the electric connector is determined to be a solar panel, detecting the power of the solar panel;
controlling the electrical connector to make electrical connection with the outdoor equipment load upon determining that the power of the solar panel is greater than or equal to a first power threshold.
The invention also provides an outdoor equipment power supply control system, wherein the outdoor equipment power supply control device comprises a processor, a memory and an outdoor equipment power supply control program which is stored on the memory and can run on the processor, and the outdoor equipment power supply control program realizes the steps of the outdoor equipment power supply control method when being executed by the processor.
The invention also provides outdoor equipment, which comprises a solar cell panel, an outdoor equipment load and the outdoor equipment power supply control system.
According to the invention, when the power supply equipment is detected to be accessed into the electric connector, the type of the power supply equipment accessed into the power supply input port of the electric connector is determined, and the on/off between the electric connector and the outdoor equipment load is controlled according to the detected type of the power supply equipment, so that when the type of the accessed power supply equipment is detected to be equipment which can not directly supply power to the outdoor equipment load, the electric connection between the power supply equipment and the outdoor equipment load is disconnected. The invention solves the problems that when the power supply equipment is not enough to support the power supply for the outdoor equipment load, the outdoor equipment load is directly powered off, and even data is lost when the outdoor equipment load is serious.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic flow chart of an embodiment of a power supply control method for outdoor equipment according to the present invention;
FIG. 2 is a schematic view of a detailed process of one embodiment of step S100 in FIG. 1;
FIG. 3 is a schematic view of a detailed process of step S200 in FIG. 1;
fig. 4 is a schematic flow chart of another embodiment of the outdoor device power supply control method according to the present invention;
fig. 5 is a schematic flow chart of a power supply control method for outdoor equipment according to another embodiment of the present invention;
fig. 6 is a schematic flow chart illustrating a power supply control method for outdoor equipment according to still another embodiment of the present invention;
fig. 7 is a schematic flow chart of a power supply control method for outdoor equipment according to still another embodiment of the present invention;
fig. 8 is a schematic circuit structure diagram of a system power supply detection control circuit in the outdoor device power supply control according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
The invention provides an outdoor equipment power supply control method, which is applied to outdoor equipment.
Referring to fig. 1, in an embodiment of the present invention, the outdoor device power supply control method includes:
s100, when the fact that power supply equipment is connected into the electric connector is detected, determining the type of the connected power supply equipment;
and S200, controlling the on/off between the power supply equipment and the outdoor equipment load according to the determined type of the power supply equipment.
In this embodiment, the outdoor device may be a doorbell, a surveillance camera, a speaker, or other outdoor devices. Outdoor equipment can also be provided with the electric connector, and the electric connector can be connected with the power supply unit electricity, and the electric connector can be the USB interface, specifically can realize for Type-C interface, mini USB interface, Type-A interface, Type-B interface or other electric connectors that can realize charging, and the electric connector has power input port and power output port at least. The power input port of the electric connector is used for connecting power supply equipment, and the power output port is used for accessing an outdoor equipment load, namely the outdoor equipment load is accessed to a power supply output by the power supply equipment through the power output port and the power input port of the electric connector. The electrical connector can be connected to different power supply devices, such as a solar panel, a power adapter, a mobile power supply and the like, that is, the power supply device of the embodiment, such as the power adapter and the solar panel, can share a Type-C interface of one input end, so that when one of the power adapter and the solar panel exists, all power supply paths are the same, and all power supply paths can supply power to a load in the outdoor device; during operation, the power adapter and the mobile power supply can provide stable electric energy for outdoor equipment loads. The solar panel can convert solar energy into direct current electric energy through a photovoltaic effect of the solar cell, and the direct current electric energy is output to outdoor equipment through a power input port of the electric connector to supply power to outdoor equipment loads in the outdoor equipment. It can be understood that the electric energy which can be generated by the solar panel is limited, and the electric energy generated by the solar panel is also fluctuated due to different weather and sunlight intensity. In addition, be limited by the area of solar energy electroplax, the power of solar energy electroplax can not be too big, and the outdoor equipment load power supply can't be supported for a long time to the solar energy electroplax, and the outdoor equipment load can fall the power, and unable normal work can lead to data to lose even when serious.
Therefore, in the embodiment, whether the outdoor equipment load is directly supplied with power is controlled by controlling the on/off of the electrical connection between the power supply equipment and the outdoor equipment load, when the power input port and the power output port of the electrical connector are controlled to be electrically connected, the power supply equipment can be electrically connected with the outdoor equipment load through the power input port and the power output port of the electrical connector, that is, the electrical connection is established between the power supply equipment and the outdoor equipment load, so that the power supply equipment supplies power to the outdoor equipment load. On the contrary, when the power input port and the power output port of the control electric connector are electrically disconnected, a current loop cannot be formed between the power supply equipment and the outdoor equipment load, so that the power supply equipment cannot directly supply power to the outdoor equipment load, that is, the electrical connection between the power supply equipment and the outdoor equipment load is disconnected.
The type of the power supply equipment accessed through the power input port of the electric connector is detected, and whether the type of the power supply equipment is a solar panel, a power adapter or a mobile power supply is judged. Specifically, the current voltage value of the external device connected to the electrical connector can be detected, and the type of the current peripheral power supply device can be identified according to the current voltage value and the preset mapping relationship between different voltage values and different interface types. It should be noted that, when different power supply devices are connected to the electrical connector, the voltage value detected by the voltage detection circuit may be different. Therefore, in this embodiment, the corresponding relationship between each power supply device type and the voltage value may be predefined, and subsequently, the accessed power supply device type may be determined based on the mapping relationship. In a specific embodiment, the electrical connector may be provided with a device type identification pin, and the type of the power supply device connected to the electrical connector may be determined according to the level of the device type identification pin or the size of the voltage value. And determining whether the accessed power supply equipment is the equipment capable of directly supplying power to the outdoor equipment load or not according to the detected type of the power supply equipment, if so, controlling the power input port and the power output port of the electric connector to realize electric connection, so that the power supply equipment accessed by the power input port of the electric connector directly supplies power to the outdoor equipment load, otherwise, controlling the power input port and the power output port of the electric connector to be disconnected from electric connection, and the power supply equipment accessed by the power input port of the electric connector cannot directly supply power to the outdoor equipment load.
According to the invention, when the power supply equipment is detected to be accessed into the electric connector, the type of the power supply equipment accessed into the power supply input port of the electric connector is determined, and the on/off between the power supply equipment and the outdoor equipment load is controlled according to the detected type of the power supply equipment, so that when the type of the accessed power supply equipment is detected to be equipment which can not directly supply power to the outdoor equipment load, the electric connection between the power supply equipment and the outdoor equipment load is disconnected. The invention solves the problems that when the power supply equipment is not enough to support the power supply for the outdoor equipment load, the outdoor equipment load is directly powered off, and even data is lost when the outdoor equipment load is serious.
Referring to fig. 2, in an embodiment, the step of determining the type of the power supply device connected when it is detected that the power supply device is connected to the electrical connector specifically includes:
step 110, when receiving a first marking signal, determining that the type of power supply equipment accessed by the electric connector is a solar panel;
and step S120, when the first marking signal is not received, determining that the type of the power supply equipment accessed by the electric connector is a mobile power supply or a power adapter.
In this embodiment, a pull-down resistor is disposed in the solar cell panel, and the pull-down resistor is connected to the device type identification lead port of the electrical connector, and the pull-down resistor is connected to the outdoor device power supply control circuit. When the solar panel is connected to the power input port of the electric connector, a low level signal is output, and when the first marking signal is received, the type of the power supply equipment connected to the power input port is the solar panel. On the contrary, when the mobile power supply or the power adapter is connected to the power input port of the electrical connector, because the pull-down resistor is not set, the low-level signal is not output, and therefore, when the power supply equipment is connected to the electrical connector and does not receive the first marking signal, the type of the power supply equipment connected to the power input port is the mobile power supply or the power adapter.
Referring to fig. 3, in an embodiment, the controlling on/off between the outdoor device load and the power supply device according to the determined type of the power supply device includes:
step S210, when the type of the power supply equipment accessed by the electric connector is determined to be a solar panel, controlling the electric connector to be disconnected from the outdoor equipment load;
step S220, when the type of the power supply equipment accessed by the electric connector is determined to be a mobile power supply or a power adapter, the electric connector is controlled to be electrically connected with the outdoor equipment load so as to supply power to the outdoor equipment load.
In this embodiment, the power supply of the solar photovoltaic panel is unstable, so the solar photovoltaic panel is defined as a power supply device that cannot directly supply power to the outdoor device load, and the power output of the power adapter and the mobile power supply is relatively stable, so the power adapter and the mobile power supply directly supply power to the outdoor device load. When the type of the accessed power supply equipment is determined to be a mobile power supply or a power adapter, the power input port and the power output port are controlled to be electrically connected, and the mobile power supply or the power adapter can be electrically connected with an outdoor equipment load through the power input port and the power output port, so that the power supply equipment can supply power to the outdoor equipment load. When the type of the accessed power supply equipment is determined to be the solar panel, the power supply input port and the power supply output port are controlled to be disconnected and electrically connected, and a current loop cannot be formed between the solar panel and an outdoor equipment load, so that the solar panel cannot directly supply power to the outdoor equipment load.
Referring to fig. 4, in one embodiment, the outdoor unit further comprises an energy storage system connected to the electrical connector and the outdoor unit load, respectively; the outdoor equipment power supply control method further comprises the following steps:
and step S300, controlling the energy storage system to store the electric energy output by the power supply equipment when the electric connector is determined to have the access of the power supply equipment.
In this embodiment, in the outdoor device, according to different power supply devices that are connected, the energy storage system may be selectively set or may not be set, in other words, the user may select to install the energy storage system in the outdoor device or may not install the energy storage system according to the requirements of practical application. For example, when the type of the accessed power supply device is a power adapter, the energy storage system may not be set, and when the type of the accessed power supply device is a mobile power supply or a solar panel, the energy storage system may be set. The energy storage system is directly connected to the power input port, when the power supply equipment is connected, the energy storage system can store electric energy provided by the power supply equipment, and the power supply equipment can be one or a plurality of combinations of a solar panel, a mobile power supply and a power adapter.
Wherein, the energy storage system includes:
the charging device comprises a charging chip and an energy storage battery, wherein the input end of the charging chip is connected with the power input port of the electric connector, and the output end of the charging chip is connected with the energy storage battery.
The charging chip is used for converting electric energy output by the power supply equipment into electric energy required by outdoor equipment and then outputting the electric energy to the energy storage battery for storage. Specifically, the charging chip may perform DC-DC conversion, filtering, and the like on the electric energy received at the power input terminal of the electrical connector. The charging chip can adjust the power and the charging voltage during charging, so that the charging of the energy storage battery can be in different stages. Optionally, the charging process of the charging chip includes, but is not limited to, a pre-charging phase, a constant current charging phase, and a constant voltage charging phase. A pre-charge stage for pre-charging (restorative charging) the fully discharged battery cells. The pre-charging is usually performed when the battery voltage is lower than about 3V. And a constant current charging stage, when the battery voltage rises to a preset charging threshold value, for example 3V, increasing the power to perform constant current charging. In the constant current charging stage, the battery voltage gradually rises along with the constant current charging process.
In a specific embodiment, an energy storage system is arranged in the outdoor equipment, and when it is determined that the power supply equipment is connected to the electric connector, the energy storage/working state of the energy storage system is controlled according to the type of the power supply equipment. Specifically, when the type of the power supply equipment connected to the electric connector is determined to be a power adapter/a mobile power supply, the power supply equipment is controlled to charge the energy storage system and supply power to the outdoor equipment load, when the type of the power supply equipment connected to the electric connector is determined to be a solar panel, the solar panel is controlled to supply power only to the energy storage system and simultaneously the energy storage system is controlled to work to supply power to the outdoor equipment load, namely, the electric energy when the outdoor equipment load works is provided by the energy storage system.
Referring to fig. 5, in an embodiment, the outdoor device power supply control method further includes:
step S410, when the type of the power supply equipment accessed by the electric connector is determined to be a solar panel, detecting the electric quantity stored by the energy storage system;
and step S420, when the electric quantity stored in the energy storage system is larger than or equal to a first electric quantity threshold value, controlling the electric connector to be electrically connected with the outdoor equipment load so as to control the solar panel to supply power to the outdoor equipment load.
In this embodiment, when the type of the connected power supply device is a solar panel, the solar panel preferentially provides electric energy for the energy storage system, when the amount of electricity stored in the energy storage system is sufficient (greater than or equal to the first electricity threshold value), or the solar panel charges the energy storage system, so that the amount of electricity stored in the energy storage system is sufficient (greater than or equal to the first electricity threshold value), the power input port is controlled to be electrically connected with the power output port so that the solar panel can provide electric energy for the outdoor equipment load, at the moment, the solar panel can continuously provide electric energy for the energy storage system, meanwhile, electric energy is provided for the outdoor equipment load until the energy storage system is full, the energy storage system can stop receiving the electric energy output by the solar panel, the energy storage system closes the charging function of the energy storage system, and the solar panel only provides the electric energy for the outdoor equipment load. Wherein, the first electric quantity threshold value can be set to any value of 95% -100%. It can be understood that, when the electric quantity stored in the energy storage system is greater than or equal to the first electric quantity threshold value, the power of the solar panel can be detected, whether the solar panel can provide stable electric energy to the outdoor equipment load is determined according to the current power of the solar panel, if so, the power input port is controlled to be electrically connected with the power output port, otherwise, the power of the solar panel is smaller than the power required by the outdoor equipment load, that is, the energy storage system is charged or only one of the outdoor equipment load can be maintained during power supply, and at this time, the energy storage system is preferentially supplied with power, that is, the power input port is controlled to be electrically disconnected from the power output port. The present embodiment may specifically determine the power of the solar panel by detecting the current illumination intensity through an ambient light sensor, or detecting the current output power of the solar panel through a power meter. For example, in a time period with strong illumination and high power, the solar panel can be controlled to simultaneously supply power to the outdoor equipment load and the energy storage system, and in a time period with weak illumination and low power, the solar panel can be controlled to only supply power to the energy storage system.
Referring to fig. 6, in an embodiment, the outdoor device power supply control method further includes:
step 510, when the type of the power supply equipment accessed by the electric connector is determined to be a solar panel, detecting the electric quantity stored by the energy storage system;
and S520, controlling the energy storage system to stop supplying power to the outdoor equipment load when the detected electric quantity stored in the energy storage system is smaller than the lowest working electric quantity threshold value.
It can be understood that, when the type of the power supply device connected to the electrical connector is a solar panel, in order to ensure stable power supply of the outdoor device load, the energy storage system is preferentially controlled to supply power to the outdoor device load in this embodiment. However, in practical applications, the energy storage system may be too low to support powering outdoor equipment loads. In order to ensure that the outdoor equipment load can not be too low because of energy storage system's electric quantity, and the power failure appears, lose data even when serious, the electric quantity of energy storage system storage can be confirmed at first to this embodiment, lead to the unable normal work of outdoor equipment load for energy storage system storage low electric quantity, when energy storage system's electric quantity is less than minimum working electric quantity threshold value, energy storage system's electric quantity is not enough promptly, preferentially supply power for energy storage system, and close energy storage system and give outdoor equipment load power supply function, prevent that outdoor equipment load from further consuming energy storage system's electric quantity. Specifically, when detecting that the electric connector inserts power supply unit, if power supply unit inserts the Type-C interface of outdoor equipment, detect energy storage system's electric quantity, and will energy storage system's electric quantity is compared with minimum working electricity quantity threshold value. When the electric quantity stored by the energy system is smaller than the minimum working electric quantity threshold value, the energy storage system only receives the electric energy of the solar panel and does not transmit the electric energy to the outdoor equipment load, and meanwhile, the solar panel only supplies power to the energy storage system and does not supply power to the outdoor equipment load. Because the solar panel only supplies power to the energy storage system, the solar panel can not be frequently cut off, the solar panel charges the energy storage system instead of supplying power to outdoor equipment loads, and the cruising ability of the energy storage system can be improved. The minimum working electric quantity threshold value is the minimum electric quantity required by normal work of the outdoor equipment load, and the outdoor equipment load cannot work normally when being lower than the minimum working electric quantity threshold value.
Referring to fig. 6, in an embodiment, the outdoor device power supply control method further includes:
and step S530, when the detected electric quantity stored in the energy storage system is larger than or equal to a second electric quantity threshold value, controlling the energy storage system to supply power to the outdoor equipment load.
In this embodiment, the power of the solar panel cannot maintain the simultaneous power supply of the outdoor equipment load and the energy storage system. When the electric quantity of the energy storage system is determined to be larger than or equal to the second electric quantity threshold value, the energy storage system can close or maintain the charging function of the energy storage system, meanwhile, the energy storage system is controlled to supply power to the outdoor equipment load, and the electric quantity of the energy storage system is continuously judged:
when the electric quantity of the energy storage system is smaller than a second preset electric quantity threshold value, controlling the energy storage system to start a charging function of the energy storage system, and simultaneously controlling the energy storage system to stop supplying power to the outdoor equipment load, wherein the energy storage system starts to charge;
and when the electric quantity of the energy storage system is greater than or equal to a second preset electric quantity threshold value, controlling the energy storage system to supply power to the outdoor equipment load until the electric quantity of the energy storage system is less than the second preset electric quantity threshold value. The second preset electric quantity threshold value represents an electric quantity value that the electric quantity of the energy storage system is about to reach the minimum working electric quantity threshold value, and the outdoor equipment load is prevented from being charged continuously when the energy storage system reaches the minimum working electric quantity threshold value, so that the outdoor equipment load is prevented from being directly powered off due to low electric quantity of the energy storage system. And when the electric quantity of the energy storage system is smaller than a second preset electric quantity threshold value, a microcontroller and the like in the outdoor equipment load can be triggered to store data, so that system data loss caused by instantaneous power failure is prevented. And the second electric quantity threshold value is greater than a second preset electric quantity threshold value.
Referring to fig. 7, in an embodiment, the outdoor device power supply control method further includes:
step S610, when the type of the power supply equipment accessed by the electric connector is determined to be a solar panel, detecting the power of the solar panel;
and S620, controlling the electric connector to be electrically connected with the outdoor equipment load when the power of the solar panel is determined to be larger than or equal to a first power threshold.
In this embodiment, the voltage and the current of the solar energy obtained by the solar panel after photoelectric conversion are nonlinear, and along with the change of sunshine conditions, the solar panel outputs high-power electric energy after photoelectric conversion, that is, when sunshine is sufficient, the solar panel can absorb more solar energy and convert the solar energy into charging electric energy to the maximum extent, so that the power of the solar panel can maintain the simultaneous power supply of an outdoor equipment load and an energy storage system. When the power of the solar electric panel is sufficient (greater than or equal to a first power threshold value) and can supply power to the energy storage system and the outdoor equipment load at the same time, the power input port and the power output port can be controlled to be connected and electrically connected, so that the solar electric panel supplies power to the outdoor equipment load, once the power of the solar electric panel is less than the first power threshold value, the power input port and the power output port are controlled to be disconnected and electrically connected, and at the moment, the power supply equipment accessed by the power input port only charges the energy storage system and cannot directly supply power to the outdoor equipment load.
The power can be judged through the output power, when the power of the accessed solar panel is smaller than the power required by the outdoor equipment load, namely the solar panel is not enough to supply power for the outdoor equipment load, and the energy storage system is required to further supplement and supply power for the outdoor equipment load. In order to prevent the situation that the outdoor device load cannot normally work due to continuous loss of the electric quantity of the energy storage system when the energy storage system is in a low electric quantity state, the power supply path between the outdoor device load and the energy storage system can be dynamically adjusted based on the electric quantity of the energy storage system when the power of the solar panel is smaller than the power required by the outdoor device load, and the electric quantities of the outdoor device load and the energy storage system are balanced. If the power of the solar electric panel is greater than or equal to the power required by the outdoor equipment load, that is, the current solar electric panel is enough to supply power to the outdoor equipment load, the outdoor equipment load and the energy storage system can be directly supplied with power based on the solar electric panel. In a specific embodiment, when the power of the solar panel is exactly equal to the current required by the outdoor equipment load, that is, the solar panel cannot supply power to the outdoor equipment load and the energy storage system at the same time, the power supply path can be further allocated by combining the current electric quantity of the energy storage system and the current electric quantity of the outdoor equipment load, and the electric quantity of the energy storage system and the power requirement of the outdoor equipment load are balanced, so that the outdoor equipment load and the energy storage system can work normally.
The invention also provides an outdoor equipment power supply control system, which comprises a processor, a memory and an outdoor equipment power supply control program stored on the memory and capable of running on the processor, wherein the outdoor equipment power supply control program realizes the steps of the outdoor equipment power supply control method when being executed by the processor.
Referring to fig. 8, the outdoor equipment power supply control system may further be provided with a system power supply detection control circuit 10, an input end of the power supply detection control circuit 10 is connected to the power input port VBUS _5V of the electrical connector 30, an output end of the power supply detection control circuit is connected to the power input port VBUS _5V _ P of the outdoor equipment load 100, when the system power supply detection control circuit 10 controls the power input port VBUS _5V of the electrical connector 30 and the power output port to be electrically connected, the power supply equipment may be electrically connected to the outdoor equipment load 100 through the power input port VBUS _5V and the power input port VBUS _5V _ P of the outdoor equipment load 100, thereby implementing the power supply equipment to supply power to the outdoor equipment load. On the contrary, when the system power supply detection control circuit 10 controls the power input port VBUS _5V and the power access port VBUS _5V _ P to be disconnected from the electrical connection, a current loop cannot be formed between the power supply equipment and the outdoor equipment load, so that the power supply equipment cannot directly supply power to the outdoor equipment load.
Referring to fig. 8, in an embodiment, the outdoor device power supply control circuit further includes a device type identification port USB _ P;
the system power supply detection control circuit 10 includes:
the power supply control switch 11 is arranged between the power input port VBUS _5V and the power output port VBUS _5V _ P in series;
a controlled end of the detection trigger switch 12 is connected with the device type identification port USB _ P, and an output end of the detection trigger switch 12 is connected with a controlled end of the power supply control switch 11; the detection trigger switch 12 is configured to output a turn-off trigger signal when triggered by an accessed solar panel, so as to control the power supply control switch 11 to disconnect the electrical connection between the power input port VBUS _5V and the power output port VBUS _5V _ P; and when the mobile power supply or the power adapter is triggered, outputting a starting trigger signal to connect the power input port VBUS _5V and the power output port VBUS _5V _ P through the power supply control switch 11.
In this embodiment, the power supply control switch 11 may be implemented by a PMOS transistor Q14, the detection trigger switch 12 may be implemented by two switching transistors, an NMOS transistor Q15 and a PMOS transistor Q16, a gate of the NMOS transistor Q15 is connected to the power input terminal and the device type identification port USB _ P of the electrical connector 30, a source of the NMOS transistor Q15 is connected to the power input port VBUS _5V through a pull-up resistor R1, a drain of the NMOS transistor Q15 is connected to a power input terminal USB _ P _ BLE that can be connected to a load, for example, a microcontroller in the outdoor device load 100, and is connected to the power output terminal VSYS _3V3 of the outdoor device load 100, the power output VSYS 3V3 of the outdoor unit load 100 is at a lower voltage than the power voltage at the power input port VBUS 5V, in one embodiment, a pull-up resistor R2 may be connected in series between the power output VSYS _3V3 of the outdoor unit load 100 and the power input USB _ P _ BLE of the microcontroller. The grid electrode of the PMOS tube Q16 is connected with the source electrode of the NMOS tube Q15 and the power input port VBUS _5V, the source electrode of the PMOS tube Q16 is connected with the controlled end of the power supply control switch 11, and the drain electrode of the PMOS tube Q16 is grounded. It is understood that a pull-down resistor is disposed in the solar cell panel, and the pull-down resistor is connected to the gate of the NMOS transistor Q15 at the device type identification port USB _ P connected to the electrical connector 30.
When a common power adapter is connected, the device type identification port USB _ P is connected without a pull-down resistor, the power input port VBUS _5V outputs a high level signal to the NMOS transistor Q15 through the pull-up resistor R1, that is, the gate voltage of the NMOS transistor Q15 is pulled up, the NMOS transistor Q15 is controlled to be turned on, so that the gate voltage of the PMOS transistor Q16 is pulled down, the PMOS transistor Q16 is controlled to be turned on, the gate of the PMOS transistor Q14 is pulled down by the low level output by the PMOS transistor Q16 to be turned on, and the power input port VBUS _5V is turned on to the power output port VUBS _5V _ P, so that the whole outdoor device load 100 is powered.
When the solar panel is inserted, because the device type identification port USB _ P has a pull-down resistor, the gate voltage of the NMOS transistor Q15 is clamped at a low level, so that the NMOS transistor Q15 is not turned on, the gate voltage of the PMOS transistor Q16 is high (pulled high by the power input terminal VBUS _ 5V), the PMOS transistor Q16 is turned off, the gate of the PMOS transistor Q14 is pulled high by the high level of the power input port VBUS _5V, and is turned off, the power input port VBUS _5V is not turned on to the power output port VBUS _5V _ P, and the solar panel does not supply power to the outdoor device load 100.
In some embodiments, the system power supply detection control circuit 10 further includes resistors R3 and R4, the resistor R3 is serially disposed between the power input port VBUS _5V and the input terminal and the controlled terminal of the power supply control switch 11 (i.e., between the source and the gate of the PMOS transistor), and the resistor R4 is serially disposed between the controlled terminal of the power supply control switch 11 and the output terminal of the detection trigger switch 12 (i.e., between the gate of the PMOS transistor Q14 and the source of the NMOS transistor Q15). According to the embodiment, the ID pull-down function is utilized according to the ID signal on the solar panel to distinguish the type of the power supply equipment with type-c access, so that the power supply path of the solar panel to the outdoor equipment load 100 is cut off, the solar panel only supplies power to the charging chip U1 and does not supply power to the outdoor equipment load 100; moreover, the system power supply detection control circuit 10 of the embodiment is implemented by using MOS transistors Q14, Q15, Q16, a resistor R1, and the like, and when the outdoor device load 100 is not running, a hardware architecture can be used to control the disconnection between the outdoor device load 100 and the solar panel, and no other chip is required to be added for control, even if the energy storage system 20 does not exist, the system power supply detection control circuit 10 can be used to cut off the power supply path between the solar panel and the outdoor device load 100, thereby solving the problems of insufficient power supply capability of the solar panel, product failure, and blank recorded data.
The processor can be a microprocessor such as a single chip microcomputer and a DSP, the processor can control the on/off of a switch tube in the system power supply detection control circuit 10 and control the on/off between the power supply equipment and the electric connector, a software program for realizing data analysis and comparison can be integrated in the processor to process the detected type of the power supply equipment, the data of the electric quantity of the energy storage system 20 and the power of the solar panel, and corresponding control signals are generated to control the on/off of the switch tube.
The invention also provides outdoor equipment, which comprises a solar cell panel, an outdoor equipment load and the outdoor equipment power supply control system.
The detailed structure of the outdoor device power supply control system can refer to the above embodiments, and is not described herein again; it can be understood that, because the outdoor device power supply control system is used in the outdoor device of the present invention, the embodiment of the outdoor device of the present invention includes all technical solutions of all embodiments of the outdoor device power supply control system, and the achieved technical effects are also completely the same, and are not described herein again.
In this embodiment, a pull-down resistor is disposed in the solar cell panel, and the pull-down resistor is connected to the device type identification lead port of the electrical connector, and is connected to the system power supply detection control circuit in the outdoor device power supply control circuit. When the solar cell panel is connected to a power input port of the electric connector, a low level signal, namely a first marking signal, is output to the system power supply detection control circuit, when the first marking signal is received, the type of power supply equipment connected to the power input port is indicated to be the solar cell panel, at the moment, the power input port and the power output port are controlled to be disconnected from electric connection, a current loop cannot be formed between the solar cell panel and an outdoor equipment load, and therefore the solar cell panel cannot directly supply power to the outdoor equipment load. In this embodiment, the outdoor device load may include, but is not limited to, an outdoor device button, a microcontroller, an outdoor device speaker, an outdoor device load power management circuit, a clock circuit, and the like. The outdoor equipment load power management circuit can be provided with a plurality of output ends and is used for providing required working voltage for outdoor equipment keys, a microcontroller, an outdoor equipment loudspeaker, a clock circuit and the like so as to drive each circuit module to work. The microcontroller can be a control center of the outdoor equipment load, the microcontroller can also be in communication connection with power supply equipment through an electric connector, such as a power adapter, a mobile power supply and the like, and in the working process, the outdoor equipment load power supply management circuit works in different modes, such as a standby mode, a normal working mode or shutdown and the like, according to a control signal of the microcontroller. It can be understood that the power supplied by the power supply device may be 5V or higher, the power supplied by the microcontroller, such as a single chip microcomputer, a DSP, etc., is usually 3.3V, and the outdoor device load power management circuit may step down the accessed power to supply the microcontroller with the operating voltage required by the microcontroller.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An outdoor equipment power supply control method is applied to outdoor equipment, the outdoor equipment comprises an outdoor equipment load and an electric connector, and the outdoor equipment power supply control method is characterized by comprising the following steps:
when the electric connector is detected to have power supply equipment access, determining the type of the accessed power supply equipment;
controlling on/off between the power supply equipment and the outdoor equipment load according to the determined type of the power supply equipment.
2. The outdoor device power supply control method according to claim 1, wherein the step of determining the type of the power supply device connected when detecting that the power supply device is connected to the electrical connector specifically includes:
when a first marking signal is received, determining that the type of power supply equipment accessed by the electric connector is a solar panel;
and when the first marking signal is not received, determining that the type of the power supply equipment accessed by the electric connector is a mobile power supply or a power adapter.
3. The outdoor unit power supply control method of claim 1 wherein said controlling on/off between said power supply unit and said outdoor unit load in accordance with said determined power supply unit type comprises:
when the type of the power supply equipment accessed by the electric connector is determined to be a solar panel, controlling the power supply equipment to be disconnected from the outdoor equipment load;
and when the type of the power supply equipment accessed by the electric connector is determined to be a mobile power supply or a power adapter, controlling the power supply equipment to be electrically connected with the outdoor equipment load so as to supply power to the outdoor equipment load.
4. The outdoor unit power supply control method of claim 1 wherein the outdoor unit further comprises an energy storage system connected to the electrical connector and the outdoor unit load, respectively; the outdoor equipment power supply control method further comprises the following steps:
and when the electric connector is determined to have the access of the power supply equipment, controlling the energy storage system to store the electric energy output by the power supply equipment.
5. The outdoor unit power supply control method of claim 4, wherein the outdoor unit power supply control method further comprises:
when the type of the power supply equipment accessed by the electric connector is determined to be a solar panel, detecting the electric quantity stored by the energy storage system;
when the electric quantity stored by the energy storage system is larger than or equal to a first electric quantity threshold value, the electric connector is controlled to be electrically connected with the outdoor equipment load in a switching-on mode, and therefore the solar panel is controlled to supply power to the outdoor equipment load.
6. The outdoor unit power supply control method of claim 4, wherein the outdoor unit power supply control method further comprises:
when the type of the power supply equipment accessed by the electric connector is determined to be a solar panel, detecting the electric quantity stored by the energy storage system;
and when the electric quantity stored by the energy storage system is smaller than the minimum working electric quantity threshold value, controlling the energy storage system to stop supplying power to the outdoor equipment load.
7. The outdoor unit power supply control method of claim 6, wherein the outdoor unit power supply control method further comprises:
and when the electric quantity stored by the energy storage system is larger than or equal to a second electric quantity threshold value, controlling the energy storage system to supply power to the outdoor equipment load.
8. The outdoor equipment power supply control method of any one of claims 2 to 7, characterized in that the outdoor equipment power supply control method further comprises:
when the type of the power supply equipment accessed by the electric connector is determined to be a solar panel, detecting the power of the solar panel;
controlling the electrical connector to make electrical connection with the outdoor equipment load upon determining that the power of the solar panel is greater than or equal to a first power threshold.
9. An outdoor equipment power supply control system, characterized in that the outdoor equipment power supply control device comprises a processor, a memory and an outdoor equipment power supply control program stored on the memory and operable on the processor, wherein the outdoor equipment power supply control program, when executed by the processor, implements the steps of the outdoor equipment power supply control method according to any one of claims 1 to 8.
10. An outdoor unit comprising a solar panel, an outdoor unit load, and an outdoor unit power supply control system according to claim 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111631268.1A CN114421446A (en) | 2021-12-28 | 2021-12-28 | Outdoor equipment power supply control method, power supply control system and outdoor equipment |
| PCT/CN2022/088328 WO2023123759A1 (en) | 2021-12-28 | 2022-04-22 | Outdoor device power supply control method and system, and outdoor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111631268.1A CN114421446A (en) | 2021-12-28 | 2021-12-28 | Outdoor equipment power supply control method, power supply control system and outdoor equipment |
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| CN114421446A true CN114421446A (en) | 2022-04-29 |
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| CN202111631268.1A Pending CN114421446A (en) | 2021-12-28 | 2021-12-28 | Outdoor equipment power supply control method, power supply control system and outdoor equipment |
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| WO (1) | WO2023123759A1 (en) |
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| CN117439238B (en) * | 2023-12-20 | 2024-03-15 | 深圳安培时代数字能源科技有限公司 | Power supply method and related device for vehicle-mounted equipment of motor home |
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| WO2023123759A1 (en) | 2023-07-06 |
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