CN113315193A - High-power DC-DC charging control method and system, storage medium and inverter - Google Patents
High-power DC-DC charging control method and system, storage medium and inverter Download PDFInfo
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- CN113315193A CN113315193A CN202110548647.8A CN202110548647A CN113315193A CN 113315193 A CN113315193 A CN 113315193A CN 202110548647 A CN202110548647 A CN 202110548647A CN 113315193 A CN113315193 A CN 113315193A
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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
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
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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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
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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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
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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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/40—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries adapted for charging from various sources, e.g. AC, DC or multivoltage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
The application relates to a high-power DC-DC charging control method, a system, a storage medium and an inverter, wherein the method comprises the steps of obtaining battery access information; judging whether the battery meets the charging requirement or not according to the battery access information; when the battery meets the charging requirement, acquiring charging voltage input information, wherein the charging voltage input information at least comprises a plurality of high-power DC voltage input information, solar battery voltage input information and adapter DC voltage input information; judging whether the charging voltage input information meets the required voltage requirement or not successively according to a preset sequence; and when the judged charging voltage input information meets the required voltage requirement, setting a corresponding charging program according to the currently judged charging voltage input information. The inverter can be controlled to charge the battery by adopting different charging programs so as to enrich the acceptable charging modes of the battery.
Description
Technical Field
The application relates to the field of vehicle-mounted inverters, in particular to a high-power DC-DC charging control method, a high-power DC-DC charging control system, a storage medium and an inverter.
Background
DC-DC is a device for converting electric energy of one voltage value into electric energy of another voltage value in a direct current circuit, and is commonly used in chargers for various storage batteries. Which charges the corresponding secondary battery by converting the input voltage into a voltage suitable for charging the secondary battery.
The common storage battery is connected with the mains supply through the adapter for charging, but for outdoor exploration players, if the outdoor exploration players can only charge in a mode of connecting the mains supply, the adaptability of outdoor use is greatly influenced, and the universality is not strong.
Disclosure of Invention
In order to control the inverter to charge the battery by adopting different charging programs so as to enrich the acceptable charging modes of the battery, the application provides a high-power DC-DC charging control method, a high-power DC-DC charging control system, a storage medium and the inverter.
In a first aspect, the following technical scheme is adopted in a high-power DC-DC charging control method provided by the present application:
a high-power DC-DC charging control method comprises the following steps:
acquiring battery access information;
judging whether the battery meets the charging requirement or not according to the battery access information;
when the battery meets the charging requirement, acquiring charging voltage input information, wherein the charging voltage input information at least comprises a plurality of high-power DC voltage input information, solar battery voltage input information and adapter DC voltage input information;
judging whether the charging voltage input information meets the required voltage requirement or not successively according to a preset sequence;
and when the judged charging voltage input information meets the required voltage requirement, setting a corresponding charging program according to the currently judged charging voltage input information.
By adopting the technical scheme, the charging system can automatically judge the input charging voltage input information, select the voltage input source meeting the charging voltage requirement according to the preset judging sequence and switch the corresponding charging program to charge the battery. Meanwhile, the high-power DC voltage input information aims at the input mode of an automobile generator, and the solar battery voltage input information aims at the input mode of solar battery power generation arranged on the roof of a vehicle, so that the vehicle-mounted charging mode is realized, and the charging mode capable of charging the battery is enriched.
Preferably, the method for determining whether the battery meets the charging requirement according to the battery access information includes:
processing the battery by adopting a corresponding battery preprocessing method according to different types of the accessed batteries to obtain a judgment voltage;
and comparing the judgment voltage with the corresponding qualified threshold voltage to judge whether the battery meets the charging requirement, and when the judgment voltage is not less than the qualified threshold voltage, the accessed battery meets the charging requirement.
By adopting the technical scheme, the state of the battery needs to be measured firstly when the battery is charged, and the battery with certain capacity or working voltage which cannot meet the use requirement is not charged, so that the waste of energy is avoided.
Preferably, the method for determining whether the high power DC voltage input information meets the required voltage requirement includes:
and comparing the high-power DC voltage input information with a preset threshold voltage interval, wherein if the high-power DC voltage input information falls into the preset threshold voltage interval, the high-power DC voltage input information meets the required voltage requirement.
By adopting the technical scheme, the automobile power supply device generally has two aspects of automobile storage battery power supply and automobile generator for the aspect of receiving the electricity output by the automobile in the automobile access, and when the automobile generator works, the automobile storage battery generally cannot work. In terms of voltage, the voltage provided by the automobile generator is larger than the voltage provided by the automobile storage battery, so that the condition that the automobile storage battery is adopted for power supply can be effectively avoided by presetting a preset threshold voltage and comparing the high-power DC voltage input information with a preset threshold voltage interval, and the circuit burnout caused by overlarge voltage can also be avoided.
Preferably, the charging program includes a maximum power charging program inputted as high power DC voltage input information and an MPPT charging program inputted as solar cell voltage input information, and when the maximum power charging program is executed, the method includes;
periodically acquiring input power information of the solar battery, and judging the relation between the input power information of the solar battery and the required charging power information;
and when the input power information of the solar battery is not less than the required charging power information, switching the charging program to the MPPT charging program.
By adopting the technical scheme, when the input power of the solar battery is greater than the required charging power information, the charging program can be correspondingly switched to the MPPT charging program corresponding to the voltage input information of the solar battery. On the one hand, the arrangement mode can be switched to solar charging to reduce the load pressure of the engine when the solar input meets the requirement, so that the oil consumption is effectively reduced, on the other hand, the battery can be charged by using larger power, and the charging efficiency is effectively improved.
Preferably, when the charging procedure is switched from the maximum power charging procedure to the MPPT charging procedure, the method includes:
periodically acquiring input power information of the solar battery, and judging the relation between the input power information of the solar battery and the required charging power information;
and when the input power information of the solar battery is smaller than the required charging power information, acquiring the high-power DC voltage input information again and comparing the high-power DC voltage input information with the preset threshold voltage, and if the high-power DC voltage input information is larger than the preset threshold voltage, switching the charging program to the maximum power charging program.
By adopting the technical scheme, when the efficiency of charging the battery by the solar battery is lower than the efficiency required by the required charging power information, in order to meet the charging efficiency of the battery, the corresponding maximum power charging program is switched to charge by using the automobile generator, and the efficiency is higher.
Preferably, the charging voltage input information includes high power DC voltage input information, solar cell voltage input information, and adapter DC voltage input information;
and when judging whether the charging voltage input information meets the required voltage requirement, sequentially judging the high-power DC voltage input information, the solar battery voltage input information and the adapter DC voltage input information from beginning to end.
By adopting the technical scheme, the solar battery can not meet the charging requirement under most conditions, so that the charging mode of supplying power by the automobile generator can be preferentially adopted for charging. As a complementary method, the charging method of the adapter is used in a situation where the adapter cannot be used for charging through the automobile generator and the solar battery in the end due to the low charging efficiency of the adapter.
Preferably, the method for acquiring the battery access information includes:
obtaining input voltage information, the input voltage information being associated with high power DC voltage input information;
judging the magnitude relation between the input voltage information and a first threshold voltage and a second threshold voltage, wherein the second threshold voltage is larger than the first threshold voltage;
when the input voltage information is larger than a first threshold voltage and smaller than a second threshold voltage, battery access information is acquired at intervals of a first interval;
and when the input voltage information is greater than a second threshold voltage, acquiring battery access information at intervals of a second interval time, wherein the second interval time is less than the first interval time.
By adopting the technical scheme, because the execution of the program and other operations can be realized only by the external power supply, and the power consumption of the program can be influenced by the calculated amount and the like in the program execution process, whether the battery to be charged is accessed or not can be detected by adopting lower frequency in the process of supplying power by using the automobile storage battery, so that the problem that the automobile storage battery is burnt dry and cannot start the automobile is avoided.
In a second aspect, the present application provides a high power DC-DC charging control system, which adopts the following technical solution:
a high-power DC-DC charging control system comprises,
the access information acquisition module is used for acquiring battery access information;
the first judgment module is used for judging whether the battery meets the charging requirement or not according to the battery access information;
the charging voltage acquisition module is used for acquiring charging voltage input information when the battery meets the charging requirement, wherein the charging voltage input information at least comprises one or more of high-power DC voltage input information, solar battery voltage input information and adapter DC voltage input information;
the second judgment module is used for gradually judging whether the charging voltage input information meets the required voltage requirement according to a preset sequence;
and the charging program setting module is used for setting a corresponding charging program according to the currently judged charging voltage input information when the judged charging voltage input information meets the required voltage requirement.
In a third aspect, the present application provides a computer storage medium, which is capable of storing a corresponding program, and has a characteristic of facilitating the control of an inverter to charge a battery by using different charging programs so as to enrich a charging manner acceptable for the battery, and adopts the following technical scheme:
a computer readable storage medium storing a computer program that can be loaded by a processor and executes any of the above-described high-power DC-DC charging control methods.
In a fourth aspect, the present application provides an inverter that adopts the following technical solution:
an inverter comprising a memory and a processor, the memory having stored thereon a computer program that can be loaded by the processor and that executes the above-described high power DC-DC charging control method.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the charging mode is rich, and the vehicle-mounted charging mode is suitable for charging;
2. the charging efficiency of the battery can be improved to a greater extent, and the battery can be always kept under the condition of high-power charging;
3. energy saving, energy saving and environmental protection.
Drawings
Fig. 1 is a flow chart of a high-power DC-DC charging control method according to an embodiment of the present invention.
Fig. 2 is a flowchart illustrating a charging process after the charging process is set to the maximum power charging process according to an embodiment of the present invention.
Fig. 3 is a schematic flowchart illustrating a charging process after switching from the maximum power charging process to the MPPT charging process according to an embodiment of the present invention.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a high-power DC-DC charging control method, which comprises the following steps: acquiring battery access information; judging whether the battery meets the charging requirement or not according to the battery access information; when the battery meets the charging requirement, acquiring charging voltage input information, wherein the charging voltage input information at least comprises a plurality of high-power DC voltage input information, solar battery voltage input information and adapter DC voltage input information; judging whether the charging voltage input information meets the required voltage requirement or not successively according to a preset sequence; and when the judged charging voltage input information meets the required voltage requirement, setting a corresponding charging program according to the currently judged charging voltage input information.
In the embodiment of the invention, the charging system can automatically judge the input charging voltage input information, select the voltage input source meeting the charging voltage requirement according to the preset judging sequence and switch the corresponding charging program to charge the battery. Meanwhile, the high-power DC voltage input information aims at the input mode of an automobile generator, and the solar battery voltage input information aims at the input mode of solar battery power generation arranged on the roof of a vehicle, so that the vehicle-mounted charging mode is realized, and the charging mode capable of charging the battery is enriched.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
In addition, the term "and/or" herein is only one kind of association relationship describing an associated object, and means that there may be three kinds of relationships, for example, a and/or B, which 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, unless otherwise specified.
The embodiments of the present invention will be described in further detail with reference to the drawings attached hereto.
The embodiment of the invention provides a high-power DC-DC charging control method, and the main flow of the method is described as follows, and reference is made to FIG. 1.
Step S1000: and acquiring battery access information.
The battery access information represents that whether the battery to be charged is accessed into the system or not, and specifically may be that whether voltage or current is input to a port connected with the battery or not is detected, when the voltage or current is input to the port connected with the battery, the battery to be charged is already accessed into the system, and otherwise, if the voltage or current is not input to the port connected with the battery, the battery is not accessed into the system. Generally, the detection in this step is repeated, and it is separated by a predetermined time interval according to actual needs. Meanwhile, the battery access information can include information for judging whether the battery is accessed or not, and the voltage and the current of the accessed battery can be intuitively obtained.
In addition, because each step needs to be powered, the power supply source of the whole system can be realized by adopting a built-in battery or an external power supply. In a preferred embodiment, the power supply for the operation of the overall system can be realized by connecting to a power output port on the vehicle (for connecting to an electrical load on the vehicle). In the present embodiment, the power supplied through the power output port is defined as a high power DC input.
Generally, the power source of the power output port is divided into a storage battery and a vehicle generator, and when the vehicle is not started, the storage battery supplies power to a load connected to the power output port. When the automobile is started, the automobile engine drives the automobile generator to work, and due to the characteristics of the automobile generator (the output voltage of the automobile generator is higher than the rated voltage of the storage battery, and the storage battery is recoiled when the automobile is started), the power source of the power output port is replaced by the automobile generator. However, since the battery functions as a starting battery when the vehicle is started and has a limited capacity, it is necessary to reduce the energy consumption of the vehicle to reduce the use of the battery when the vehicle is not started.
Specifically, it includes:
step S1100: input voltage information is acquired.
According to the aforementioned power supply source, the input voltage in this step is the voltage provided by the above-mentioned storage battery or the automobile generator, so the input voltage information obtained in this step is the corresponding high-power DC voltage input information, and it represents the actual voltage magnitude of the power output port.
Step S1200: and judging the magnitude relation between the input voltage information and the first threshold voltage and the second threshold voltage.
The magnitude of the second threshold voltage is larger than that of the first threshold voltage. Here, the first threshold voltage and the second threshold voltage are set in relation to the actual voltage of the vehicle generator and the voltage of the battery. Generally, the first threshold voltage will be slightly lower than the nominal voltage of the battery, while the second threshold voltage will be slightly lower than the output voltage of the vehicle generator, but much higher than the nominal voltage of the battery.
Step S1300: and when the input voltage information is greater than a first threshold voltage and less than a second threshold voltage, acquiring battery access information at intervals of a first interval.
When the input voltage information is greater than the first threshold voltage but less than the second threshold voltage, that is, the input voltage information does not reach the output voltage of the automobile generator, it may indicate that the power supply source of the system is the storage battery and not the automobile generator.
Step S1400: and when the input voltage information is larger than a second threshold voltage, acquiring battery access information at intervals of a second interval.
When the input voltage information is greater than the second threshold voltage, that is, the input voltage information is described to have reached the output voltage of the automobile generator, it indicates that the power supply source of the system is the automobile generator, that is, it also indicates that the automobile is in a starting state.
The first interval and the second interval may be adjusted according to the actual length of the demand and the energy consumption requirement, and generally, the longer interval corresponds to the smaller energy consumption. Thus, in order to reduce energy consumption when the system is powered using the battery, the first interval time may be greater than the second interval time.
Step S2000: and judging whether the battery meets the charging requirement or not according to the battery access information.
The battery access information includes the voltage and current of the accessed battery, and the capacity, voltage, current and the like of the battery are changed to some extent after the battery is used. In order to avoid charging a dead or low capacity battery, the state of the battery needs to be monitored to determine whether the battery meets the charging requirement.
Specifically, it includes:
step S2100: and processing by adopting a corresponding battery preprocessing method according to different types of the accessed batteries to obtain the judgment voltage.
Batteries are classified into different types according to their principles and structures, such as lithium batteries, lead-acid batteries, nickel-metal hydride batteries, and the like, and their corresponding battery pretreatment methods are different according to the types of the batteries.
For example, the voltage of the lithium battery is not greatly changed according to the remaining capacity of the battery, so the corresponding battery pretreatment method can be regarded as not executing any operation.
For another example, since the voltage of a lead-acid battery varies greatly according to the amount of the remaining capacity of the battery, when the lead-acid battery is used, the battery preprocessing method is to apply a voltage to the battery to activate the battery, and if the battery is qualified, the voltage of the battery rapidly rises to a qualified voltage value.
The setting of the battery type can be manually set by switching the button, and the battery preprocessing method corresponding to the battery type is also pre-stored in the system for calling. That is, the process of this step will be performed by setting the kind of battery to be charged to call the corresponding battery preprocessing method. Besides, the acquisition of the type of the battery can be realized by adopting a mode of automatic judgment and identification instead of the mode, and the detailed description is not provided in the embodiment.
Step S2200: and comparing the judgment voltage with the corresponding qualified threshold voltage to judge whether the battery meets the charging requirement, and when the judgment voltage is not less than the qualified threshold voltage, the accessed battery meets the charging requirement.
The qualified threshold voltage needs to be adjusted according to the characteristics of the battery to be actually charged, and in general, the qualified threshold voltage needs to be set in a manner of manual input. However, in some special cases, for example, when the charging target is a battery with the same physical characteristics, such as a certain battery capacity, the acceptable threshold voltage may be stored in the memory before shipment, that is, the acceptable threshold voltage is determined before shipment and is difficult to change during later use.
In general, when the determination voltage is greater than the qualified threshold voltage, it indicates that the battery is still in a proper working state, i.e. it still meets the required charging requirement.
Step S3000: and when the battery meets the charging requirement, acquiring charging voltage input information.
Wherein the charging voltage input information includes at least a plurality of high power DC voltage input information, solar cell voltage input information, and adapter DC voltage input information. The high-power DC voltage input information refers to a voltage output from a vehicle-mounted power output port, the solar cell voltage input information refers to a voltage provided by a photovoltaic cell (solar panel) disposed on a vehicle, and the adapter DC voltage input information refers to a voltage provided by directly connecting a commercial power through an adapter.
The three electric energy sources may access the system through the same port, or may be divided into different port access systems, which is not described herein again.
Step S4000: and gradually judging whether the charging voltage input information meets the required voltage requirement according to a preset sequence.
In a preferred embodiment, the charging voltage input information includes high-power DC voltage input information, solar cell voltage input information, and adapter DC voltage input information, and the three pieces of voltage input information are sequentially determined in step S4000. In order to meet the requirement of high-power charging, when judging whether the charging voltage input information meets the required voltage requirement, the high-power DC voltage input information, the solar battery voltage input information and the adapter DC voltage input information are sequentially judged from beginning to end.
Step S5000: and when the judged charging voltage input information meets the required voltage requirement, setting a corresponding charging program according to the currently judged charging voltage input information.
The charging program comprises a maximum power charging program for inputting high-power DC voltage input information, an MPPT charging program for inputting solar battery voltage input information and an adapter charging program for inputting adapter DC voltage input information. The maximum power charging procedure and the adapter charging procedure are that the input voltage and current are directly supplied to the battery for charging after being converted by DC-DC. The MPPT (maximum power point tracking) charging procedure represents that a maximum power point is obtained by changing the voltage and the current according to the characteristics of the photovoltaic cell, so that the maximum efficiency of charging the cell can be ensured.
And when the charging voltage input information is judged, the judgment is carried out in sequence according to the sorting modes of the high-power DC voltage input information, the solar cell voltage input information and the adapter DC voltage input information. If the high-power DC voltage input information meets the required voltage requirement, the charging program is correspondingly set as the maximum power charging program. And if the high-power DC voltage input information does not meet the required voltage requirement, judging whether the solar battery voltage input information meets the required voltage requirement, and if so, correspondingly setting the charging program as an MPPT charging program. If the voltage input information of the solar battery still does not meet the requirement, whether the DC voltage input information of the adapter meets the requirement is judged, if so, the charging program is correspondingly set as the charging program of the adapter, otherwise, whether the high-power DC voltage input information meets the requirement is judged again.
Meanwhile, in the process of charging the battery, the condition that the battery is charged by the storage battery is also avoided, so that the method for judging whether the high-power DC voltage input information meets the required voltage requirement comprises the following steps:
step S5100: and comparing the high-power DC voltage input information with a preset threshold voltage interval, wherein if the high-power DC voltage input information falls into the preset threshold voltage interval, the high-power DC voltage input information meets the required voltage requirement.
The lower threshold of the preset threshold voltage interval is required to be larger than the rated voltage of the storage battery and smaller than the output voltage of the automobile generator, so that when the high-power DC voltage input information falls into the preset threshold voltage interval, the automobile generator can be indicated to supply power for charging the battery. Meanwhile, the circuit damage caused by overlarge high-power DC voltage input information is avoided by setting the upper limit threshold of the preset threshold voltage interval. The upper and lower threshold values of the preset threshold voltage interval may be changed according to the actual rated voltage of the battery and the output voltage of the automobile generator, and may be preset in the memory, or may be dynamically adjusted for subsequent comparison by automatically detecting the rated voltage of the battery and the output voltage of the automobile generator, or may be implemented by manual key input setting, and the like, which is not described herein again.
Referring to fig. 2, in some special cases, the total power of the photovoltaic cells installed on the vehicle may be greater than the total power output by the generator of the vehicle, and therefore, in order to better achieve high power and high efficiency of charging the battery, after the charging procedure in step S5000 is set as the maximum power charging procedure, the method further includes:
step S6100: the method comprises the steps of periodically acquiring solar cell input power information and judging the relation between the solar cell input power information and required charging power information.
The solar cell input power information can be realized by an MPPT method, and the maximum power which can be obtained under the current illumination intensity is obtained by dynamically adjusting the relation between the voltage and the current. The required charging power information represents the magnitude of the input power required by the charging system, which is different from the architecture of the charging system and the type of the charging object. The required charging power information may be set in a preset manner, but the setting of the size of the required charging power information may also be realized through key input, adjustment, and the like. Here, the periodicity refers to setting each predetermined time length as one period, and acquiring the solar cell input power information once or several times per period.
Step S6200: and when the input power information of the solar battery is not less than the required charging power information, switching the charging program to the MPPT charging program.
When the input power information of the solar battery is larger than the required charging power information, the power which can be provided by the solar battery is represented to meet the power required by the charging system, so that the charging efficiency of the battery can be improved more efficiently by charging and supplying power to the battery through the solar battery, and the energy consumption is saved. The switching of the charging procedure may be realized by stopping executing the pre-ordered maximum power charging procedure and then executing the MPPT charging procedure, or by using other switching methods, which is not described herein again.
In addition, when the charging program is switched from the maximum power charging program to the MPPT charging program, the maximum output power provided by the solar battery is also continuously monitored. Referring to fig. 3, it specifically includes:
step S7000: the method comprises the steps of periodically acquiring solar cell input power information and judging the relation between the solar cell input power information and required charging power information.
The solar battery input power information here can be obtained by converting the product of the corresponding voltage and current acquired by the MPPT charging program.
Each specific cycle time for periodically acquiring the solar cell input power information can be determined in a preset manner, and can also be set in a later-stage input adjustment manner, which is not described herein again.
Step S7100: and when the input power information of the solar battery is smaller than the required charging power information, acquiring the high-power DC voltage input information again and comparing the high-power DC voltage input information with the preset threshold voltage, and if the high-power DC voltage input information is larger than the preset threshold voltage, switching the charging program to the maximum power charging program.
When the input power of the solar battery is reduced and is lower than the required charging power information, the high-power DC voltage input information is obtained again, and then the high-power DC voltage input information is compared with the preset threshold voltage. The purpose of the step is to judge whether the automobile engine is extinguished, namely whether the automobile engine is in a state of power supply of the storage battery, and if so, the solar battery is used for supplying power continuously. If not, the solar battery input and the high-power DC voltage input information do not meet the requirements, and the adapter charging program is switched to.
Based on the same inventive concept, the embodiment of the present application further discloses a high-power DC-DC charging control system, which includes:
and the access information acquisition module is used for acquiring the battery access information.
And the first judgment module is used for judging whether the battery meets the charging requirement according to the battery access information.
And the charging voltage acquisition module is used for acquiring charging voltage input information when the battery meets the charging requirement, wherein the charging voltage input information at least comprises one or more of high-power DC voltage input information, solar battery voltage input information and adapter DC input information.
And the second judging module is used for gradually judging whether the charging voltage input information meets the required voltage requirement according to the preset sequence.
And the charging program setting module is used for setting a corresponding charging program according to the currently judged charging voltage input information when the judged charging voltage input information meets the required voltage requirement.
Based on the same inventive concept, an embodiment of the present invention provides an inverter, which includes a memory and a processor, wherein the memory stores a computer program that can be loaded by the processor and execute any one of the high-power DC-DC charging control methods shown in fig. 1 to 3.
It will be clear to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above function distribution may be performed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules to perform all or part of the above described functions. For the specific working processes of the system, the apparatus and the unit described above, reference may be made to the corresponding processes in the foregoing method embodiments, and details are not described here again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
Embodiments of the present invention further provide a computer-readable storage medium, which is stored with a program and is capable of implementing the steps described in the flowcharts of fig. 1 to 3 when the program is loaded and executed by a processor.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The above embodiments are only used to describe the technical solutions of the present application in detail, but the above embodiments are only used to help understanding the method and the core idea of the present invention, and should not be construed as limiting the present invention. Those skilled in the art should also appreciate that they can easily conceive of various changes and substitutions within the technical scope of the present disclosure.
Claims (10)
1. A high-power DC-DC charging control method is characterized by comprising the following steps:
acquiring battery access information;
judging whether the battery meets the charging requirement or not according to the battery access information;
when the battery meets the charging requirement, acquiring charging voltage input information, wherein the charging voltage input information at least comprises a plurality of high-power DC voltage input information, solar battery voltage input information and adapter DC voltage input information;
judging whether the charging voltage input information meets the required voltage requirement or not successively according to a preset sequence;
and when the judged charging voltage input information meets the required voltage requirement, setting a corresponding charging program according to the currently judged charging voltage input information.
2. The high-power DC-DC charging control method according to claim 1, wherein the method for judging whether the battery meets the charging requirement according to the battery access information comprises the following steps:
processing the battery by adopting a corresponding battery preprocessing method according to different types of the accessed batteries to obtain a judgment voltage;
and comparing the judgment voltage with the corresponding qualified threshold voltage to judge whether the battery meets the charging requirement, and when the judgment voltage is not less than the qualified threshold voltage, the accessed battery meets the charging requirement.
3. The high power DC-DC charge control method of claim 1, wherein the method of determining whether the high power DC voltage input information meets a required voltage requirement comprises:
and comparing the high-power DC voltage input information with a preset threshold voltage interval, wherein if the high-power DC voltage input information falls into the preset threshold voltage interval, the high-power DC voltage input information meets the required voltage requirement.
4. The high power DC-DC charge control method according to claim 3, wherein the charge program includes a maximum power charge program inputted as high power DC voltage input information and an MPPT charge program inputted as solar cell voltage input information, and when the maximum power charge program is executed, the method includes;
periodically acquiring input power information of the solar battery, and judging the relation between the input power information of the solar battery and the required charging power information;
and when the input power information of the solar battery is not less than the required charging power information, switching the charging program to the MPPT charging program.
5. The high power DC-DC charging control method according to claim 4, wherein when the charging procedure is switched from a maximum power charging procedure to an MPPT charging procedure, the method comprises:
periodically acquiring input power information of the solar battery, and judging the relation between the input power information of the solar battery and the required charging power information;
and when the input power information of the solar battery is smaller than the required charging power information, acquiring the high-power DC voltage input information again and comparing the high-power DC voltage input information with the preset threshold voltage, and if the high-power DC voltage input information is larger than the preset threshold voltage, switching the charging program to the maximum power charging program.
6. The high power DC-DC charge control method according to claim 1, 3, 4 or 5, wherein the charge voltage input information includes high power DC voltage input information, solar cell voltage input information, and adapter DC voltage input information;
and when judging whether the charging voltage input information meets the required voltage requirement, sequentially judging the high-power DC voltage input information, the solar battery voltage input information and the adapter DC voltage input information from beginning to end.
7. The high-power DC-DC charging control method according to any one of claims 1 to 5, wherein the method for acquiring the battery access information comprises the following steps:
obtaining input voltage information, the input voltage information being associated with high power DC voltage input information;
judging the magnitude relation between the input voltage information and a first threshold voltage and a second threshold voltage, wherein the second threshold voltage is larger than the first threshold voltage;
when the input voltage information is larger than a first threshold voltage and smaller than a second threshold voltage, battery access information is acquired at intervals of a first interval;
and when the input voltage information is greater than a second threshold voltage, acquiring battery access information at intervals of a second interval time, wherein the second interval time is less than the first interval time.
8. A high-power DC-DC charging control system is characterized by comprising,
the access information acquisition module is used for acquiring battery access information;
the first judgment module is used for judging whether the battery meets the charging requirement or not according to the battery access information;
the charging voltage acquisition module is used for acquiring charging voltage input information when the battery meets the charging requirement, wherein the charging voltage input information at least comprises one or more of high-power DC voltage input information, solar battery voltage input information and adapter DC voltage input information;
the second judgment module is used for gradually judging whether the charging voltage input information meets the required voltage requirement according to a preset sequence;
and the charging program setting module is used for setting a corresponding charging program according to the currently judged charging voltage input information when the judged charging voltage input information meets the required voltage requirement.
9. A computer-readable storage medium, in which a computer program is stored which can be loaded by a processor and which executes the method of any one of claims 1 to 7.
10. An inverter, characterized by comprising a memory and a processor, the memory having stored thereon a computer program that can be loaded by the processor and that executes the method according to any one of claims 1 to 7.
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101997335A (en) * | 2010-06-25 | 2011-03-30 | 珠海高凌信息科技有限公司 | Power supply control system and control method |
| CN202602352U (en) * | 2012-04-19 | 2012-12-12 | 中国人民解放军第三二三医院 | Field-battle portable multifunctional emergency power supply based on thin-film solar cell |
| CN202957630U (en) * | 2012-12-03 | 2013-05-29 | 上海孚邦实业有限公司 | Multifunctional charging box |
| CN103441566A (en) * | 2013-09-12 | 2013-12-11 | 重庆大学 | System and method for supplying power cooperatively by mains supply, photovoltaic cell and energy storage battery |
| CN203623840U (en) * | 2013-12-02 | 2014-06-04 | 陕西理工学院 | Multifunctional vehicle power supply for outdoor sports bicycle |
| CN104135052A (en) * | 2014-08-04 | 2014-11-05 | 中国矿业大学 | Electric energy management system for coal mine escape capsule |
| CN106611886A (en) * | 2015-10-26 | 2017-05-03 | 比亚迪股份有限公司 | Discharging method and system for hybrid vehicle |
| CN107623353A (en) * | 2017-10-09 | 2018-01-23 | 上海玖行能源科技有限公司 | A kind of military intelligences combination power-supply system |
| CN207320929U (en) * | 2017-09-15 | 2018-05-04 | 李斌 | A kind of intelligentized portable energy-storing power supply |
| CN109104139A (en) * | 2018-09-27 | 2018-12-28 | 辽宁科技大学 | A kind of military Multifunctional portable power source vehicle |
| CN112152220A (en) * | 2020-09-25 | 2020-12-29 | 湖北晟睿汽车制造有限公司 | Multi-power-supply hybrid power supply control system and control method for pull type motor home |
-
2021
- 2021-05-20 CN CN202110548647.8A patent/CN113315193A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101997335A (en) * | 2010-06-25 | 2011-03-30 | 珠海高凌信息科技有限公司 | Power supply control system and control method |
| CN202602352U (en) * | 2012-04-19 | 2012-12-12 | 中国人民解放军第三二三医院 | Field-battle portable multifunctional emergency power supply based on thin-film solar cell |
| CN202957630U (en) * | 2012-12-03 | 2013-05-29 | 上海孚邦实业有限公司 | Multifunctional charging box |
| CN103441566A (en) * | 2013-09-12 | 2013-12-11 | 重庆大学 | System and method for supplying power cooperatively by mains supply, photovoltaic cell and energy storage battery |
| CN203623840U (en) * | 2013-12-02 | 2014-06-04 | 陕西理工学院 | Multifunctional vehicle power supply for outdoor sports bicycle |
| CN104135052A (en) * | 2014-08-04 | 2014-11-05 | 中国矿业大学 | Electric energy management system for coal mine escape capsule |
| CN106611886A (en) * | 2015-10-26 | 2017-05-03 | 比亚迪股份有限公司 | Discharging method and system for hybrid vehicle |
| CN207320929U (en) * | 2017-09-15 | 2018-05-04 | 李斌 | A kind of intelligentized portable energy-storing power supply |
| CN107623353A (en) * | 2017-10-09 | 2018-01-23 | 上海玖行能源科技有限公司 | A kind of military intelligences combination power-supply system |
| CN109104139A (en) * | 2018-09-27 | 2018-12-28 | 辽宁科技大学 | A kind of military Multifunctional portable power source vehicle |
| CN112152220A (en) * | 2020-09-25 | 2020-12-29 | 湖北晟睿汽车制造有限公司 | Multi-power-supply hybrid power supply control system and control method for pull type motor home |
Non-Patent Citations (1)
| Title |
|---|
| 孙运生: "《图解电动自行车维修技巧[M]》", 30 March 2010, 辽宁科学技术出版社, pages: 220 * |
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