CN114069776A - Solar charging control device, system and control method - Google Patents
Solar charging control device, system and control method Download PDFInfo
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- CN114069776A CN114069776A CN202111266111.3A CN202111266111A CN114069776A CN 114069776 A CN114069776 A CN 114069776A CN 202111266111 A CN202111266111 A CN 202111266111A CN 114069776 A CN114069776 A CN 114069776A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 54
- 238000010438 heat treatment Methods 0.000 claims abstract description 50
- 230000008569 process Effects 0.000 claims abstract description 19
- 230000007613 environmental effect Effects 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims description 18
- 230000002159 abnormal effect Effects 0.000 claims description 12
- 238000005286 illumination Methods 0.000 claims description 10
- 238000013499 data model Methods 0.000 claims description 6
- 230000003993 interaction Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
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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
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
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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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00309—Overheat or overtemperature protection
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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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
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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
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a solar charging control device, a system and a control method, wherein the charging control device comprises a monitoring module, a control module, a switch module and a heating module, wherein the monitoring module is used for monitoring electric quantity parameters, charging and discharging data and environment parameter data of a storage battery; the control module is used for outputting a control signal according to the parameter monitored by the monitoring module so as to control the heating module and the switch module; the heating module is used for heating the storage battery according to the heating control signal of the control module; and the switch module is connected with a charging channel used for opening or closing the charging channel between the storage battery and the solar panel according to the charging control signal of the control module. According to the technical scheme provided by the invention, when the solar energy is adopted to charge the storage battery, the influence of environmental factors on the storage battery and the charging process is fully considered, the charging process is adjusted according to the monitoring result of the environmental parameters, the charging efficiency is improved, and the service life of the battery is prolonged.
Description
Technical Field
The invention relates to the technical field of battery charging, in particular to a solar charging control device, system and method.
Background
Solar energy belongs to one kind of new forms of energy, and the wide application is got the electricity or the higher occasion of wiring cost in inconvenient. In a device using solar energy, a solar panel is generally used to convert solar energy into electric energy, and then the converted electric energy is stored in a battery. A system block diagram of a solar battery charging apparatus in the related art is shown in fig. 1, a solar panel charges a storage battery through a charging control unit, and the charging control unit receives control of a device such as a controller. In the above prior art, the influence of environmental factors on the charging process is generally not considered when controlling the charging of the battery.
Disclosure of Invention
Based on the above situation in the prior art, an object of the present invention is to provide a solar charging control apparatus, system and control method, which take into account the influence of environmental factors on the storage battery and the charging process when solar energy is used to charge the storage battery, thereby improving charging efficiency and prolonging the service life of the battery.
In order to achieve the above object, according to one aspect of the present invention, there is provided a solar charging control apparatus for controlling a storage battery to be charged by a solar panel, including a monitoring module, a control module, a switching module, and a heating module; wherein the content of the first and second substances,
the monitoring module is connected with the storage battery and is used for monitoring electric quantity parameters, charging and discharging data and environment parameter data of the storage battery;
the control module is connected with the monitoring module, the heating module and the switch module and used for outputting a control signal according to the parameters monitored by the monitoring module so as to control the heating module and the switch module;
the heating module is connected with the storage battery and used for heating the storage battery according to the heating control signal of the control module;
the switch module is connected between the storage battery and the solar panel and used for opening or closing a charging path between the storage battery and the solar panel according to the charging control signal of the control module.
Furthermore, the monitoring module comprises an electric quantity monitoring unit, an illumination intensity monitoring unit, a temperature monitoring unit and a humidity monitoring unit; the environmental parameters include light intensity, temperature, and humidity.
Further, the heating module includes a thermal pack film heating unit.
Further, the system also comprises a communication module and a GPS positioning module;
the GPS positioning module is used for monitoring positioning information of the device;
and the communication module is used for sending the positioning information and the abnormal alarm information when the parameters monitored by the monitoring module are abnormal.
Further, the communication module comprises a 4G communication module or a 5G communication module.
According to a second aspect of the present invention, there is provided a solar charging control system, comprising a backend server and a solar charging control device, wherein the solar charging control device comprises the solar charging control device according to the first aspect of the present invention; the solar charging control device is in information interaction with the background server through a communication module.
According to a third aspect of the present invention, there is provided a control method for a solar charging control system comprising a system according to the second aspect of the present invention, comprising:
controlling the switch module and the heating module to work according to whether the monitored electric quantity and temperature exceed threshold values;
if the monitored temperature is higher than a first high-temperature alarm threshold value and/or the humidity is higher than a humidity alarm threshold value, sending current positioning information, high-temperature alarm information and/or humidity alarm information to a background server;
transmitting the monitored charging and discharging data of each time to a background server so as to establish a big data model to monitor the storage battery;
and sending the monitored illumination intensity, temperature and humidity parameters to a background server so as to establish a big data model to monitor the storage battery.
Further, the controlling the switch module and the heating module to operate according to whether the monitored electric quantity and the monitored temperature exceed threshold values includes:
if the electric quantity is larger than or equal to the normal electric quantity threshold value and the temperature is lower than the low-temperature threshold value, controlling the heating module to heat the storage battery;
and if the electric quantity is smaller than the normal electric quantity threshold value and the temperature is lower than the low-temperature threshold value, controlling the switch module to open the charging passage and improving the charging threshold value of the charging electric quantity.
Further, the controlling the switch module and the heating module to operate according to whether the monitored electric quantity and the monitored temperature exceed threshold values includes:
when the storage battery is in the process of charging,
and if the temperature is higher than a second high-temperature threshold value, controlling the switch module to close the charging path.
Further, the first high temperature threshold is higher than the second high temperature threshold.
In summary, the present invention provides a solar charging control device, system and control method, wherein the charging control device includes a monitoring module, a control module, a switch module and a heating module, the monitoring module is used for monitoring the electric quantity parameter, the charging and discharging data and the environmental parameter data of the storage battery; the control module is used for outputting a control signal according to the parameter monitored by the monitoring module so as to control the heating module and the switch module; the heating module is used for heating the storage battery according to the heating control signal of the control module; and the switch module is connected with a charging channel used for opening or closing the charging channel between the storage battery and the solar panel according to the charging control signal of the control module. According to the technical scheme provided by the invention, when the storage battery is charged by adopting solar energy, the influence of environmental factors on the storage battery and the charging process is fully considered, the charging process is adjusted according to the monitoring result of the environmental parameters, the charging efficiency is improved, and the service life of the battery is prolonged; and the abnormal battery can be analyzed and replaced in time according to the monitored information, so that the system using the storage battery is prevented from being abnormal.
Drawings
FIG. 1 is a system block diagram of a prior art solar cell charging apparatus;
FIG. 2 is a flow chart of a prior art charging control using voltage measurement;
fig. 3 is a flowchart of a charging control using an electricity meter and a charging controller in the prior art;
fig. 4 is a block diagram showing the solar charging control apparatus according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
In the prior art, the charging control methods for the solar cell mainly include the following:
(1) method for measuring voltage
Under an ideal condition, the battery power and the voltage have a certain linear relation, and the current capacity of the storage battery can be judged by measuring the battery voltage. The method comprises the steps of firstly collecting battery voltage, and when the battery voltage is lower than a certain threshold value, indicating that the battery capacity is low and charging is needed. When the battery needs to be charged, the battery is charged by using the electric energy converted by the solar panel, and a charging control flow chart of the method is shown in fig. 2.
(2) Using electricity meter and charge controller
The electric quantity of the battery can be acquired through an electricity meter, when the acquired electric quantity is less than a certain threshold value, charging is started, and the charging process can be controlled through a charging controller. Firstly, collecting the electric quantity of a battery, and charging by adopting a small current when the electric quantity of the battery is too low; enabling high-current charging when the battery power is higher than a certain threshold value; when the battery is about to be fully charged, a small current is enabled for charging, and a charging control flow chart of the method is shown in FIG. 3.
However, in the above control methods of the prior art, the influence of environmental parameters on the battery is not considered. For example, the influence of temperature and humidity on the battery is not considered, which easily causes inaccurate electric quantity acquisition; the influence of the illumination intensity on the solar cell panel is not considered, so that whether the solar cell panel works normally or not can not be judged easily. In addition, the control methods also have no battery fault reporting mechanism, and under the condition of multiple devices, the battery of which device has a problem cannot be determined; without low temperature protection measures, battery damage is likely to occur.
In view of the above technical problems, embodiments of the present invention provide a solar charging control apparatus, system and control method, which consider the influence of environmental factors on a storage battery and a charging process when solar energy is used to charge the storage battery, thereby improving charging efficiency and prolonging the service life of the storage battery. The technical solution of the present invention will be described in detail below with reference to the accompanying drawings. According to an embodiment of the invention, a solar charging control device is provided, which is used for controlling a storage battery to be charged through a solar panel, and the charging control device is composed of a block diagram as shown in fig. 4, and comprises a monitoring module, a control module, a switch module and a heating module.
The monitoring module is connected with the storage battery and is used for monitoring electric quantity parameters, charging and discharging data and environment parameter data of the storage battery. The monitoring module can comprise an electric quantity monitoring unit, an illumination intensity monitoring unit, a temperature monitoring unit and a humidity monitoring unit; the environmental parameters include light intensity, temperature, and humidity. Through setting up monitoring module, except monitoring the electric quantity of battery, can also monitor environmental parameter such as illumination intensity, humiture. The electric quantity monitoring unit can be realized by adopting an electric meter, the electric quantity of the current battery is collected by adopting the electric meter, and when the battery needs to be charged, the charging process is controlled by outputting a control signal through the control module. Because the performance of the storage battery can be influenced by the temperature and the humidity, the embodiment of the invention acquires the illumination intensity and the temperature and the humidity of the current environment in real time, acquires the electric quantity of the current storage battery through the electric quantity meter, and controls the charging process according to the acquired electric quantity and by combining the illumination intensity and the temperature and the humidity of the current environment.
The control module is connected with the monitoring module, the heating module and the switch module and used for outputting control signals according to the parameters monitored by the monitoring module so as to control the heating module and the switch module.
The heating module is connected with the storage battery and used for heating the storage battery according to the heating control signal of the control module. The heating module may be a thermal film heating unit.
The switch module is connected between the storage battery and the solar panel and used for opening or closing a charging path between the storage battery and the solar panel according to the charging control signal of the control module. The switch module can be realized by a controllable switch element, and the control end is connected to the control module so as to control the charging process according to the charging control signal output by the control module.
The charging control device may further include a communication module and a GPS positioning module. The GPS positioning module is used for monitoring positioning information of the device; and the communication module is used for sending the positioning information and the abnormal alarm information when the parameters monitored by the monitoring module are abnormal. The communication module is, for example, a 4G communication module or a 5G communication module.
According to a second embodiment of the present invention, there is provided a solar charging control system, including a backend server and a solar charging control device, where the solar charging control device includes the solar charging control device according to the first embodiment of the present invention; the solar charging control device is in information interaction with the background server through a communication module.
According to a third embodiment of the present invention, there is provided a control method for a solar charging control system including the system according to the second embodiment of the present invention, including the steps of:
and controlling the switch module and the heating module to work according to whether the monitored electric quantity and the monitored temperature exceed threshold values.
In some embodiments, if the electric quantity is greater than or equal to a normal electric quantity threshold value and the temperature is lower than a low-temperature threshold value, the heating module is controlled to heat the storage battery; and if the electric quantity is smaller than the normal electric quantity threshold value and the temperature is lower than the low-temperature threshold value, controlling the switch module to open the charging passage and improving the charging threshold value of the charging electric quantity. The charging threshold of the charging capacity means that the battery needs to be charged when the monitored capacity is lower than the charging threshold. For example, the threshold value of the charging capacity is 30 under the normal environment, and when the battery capacity is detected to be lower than 30, the battery is charged. In the case of an environmental abnormality, for example, in the case of a low temperature, the threshold value of the charge amount may be appropriately increased to 35, and in the case of a high temperature, the threshold value of the charge amount may be appropriately decreased to 28.
In some embodiments, if the electric quantity is greater than or equal to a normal electric quantity threshold value and the temperature is lower than a low-temperature threshold value, the heating module is controlled to heat the storage battery; and if the electric quantity is smaller than the normal electric quantity threshold value and the temperature is lower than the low-temperature threshold value, controlling the switch module to open the charging passage and improving the charging threshold value of the charging electric quantity.
In some embodiments, when the storage battery is in a charging process, if the temperature is higher than a second high temperature threshold value, the switch module is controlled to close the charging path. Wherein the first high temperature threshold is higher than the second high temperature threshold.
When the temperature is low, not only the accuracy of electric quantity acquisition is affected, but also the discharge capacity of the storage battery is affected. Therefore, the treatment is carried out in two cases when the temperature is low:
in the first case: the battery has sufficient electric quantity and low temperature. At the moment, the discharge capacity of the battery is weakened, and in order to ensure the normal discharge operation of the battery, the thermal resistance film outside the battery is electrified and heated, so that the working environment temperature of the battery is increased.
In the second case: the battery has insufficient electric quantity and low temperature. In order to charge the battery in time, the charging threshold of the charging electric quantity is increased at the moment, and the charging control process is started.
And if the monitored temperature is higher than the first high-temperature alarm threshold value and/or the humidity is higher than the humidity alarm threshold value, sending the current positioning information, the high-temperature alarm information and/or the humidity alarm information to the background server. When the temperature is high, the electrochemical reaction of the storage battery is accelerated, the electrolyte is evaporated quickly, the polar plate is easy to damage, and the overcharge phenomenon is easy to generate, so that the service life of the storage battery is seriously influenced. Therefore, in the process of charging the storage battery in the embodiment, if the current ambient temperature is higher, the charging process can be ended in advance; and if the current temperature is higher than a certain threshold value, sending the GPS information and the high-temperature alarm information of the current battery to the background server, and triggering the background server to alarm.
In some embodiments, the humidity of the current environment can also be acquired in real time, and the battery can be irreversibly damaged when the humidity is too high or too low. When the abnormal humidity of the field environment is detected, the current GPS position of the battery is reported to the background server, and the background server can inform maintenance personnel of the problem of field troubleshooting through an alarm system.
The monitored charging and discharging data of each time are sent to the background server to establish a big data model to monitor the storage battery, the charging and discharging time and the charging and discharging current of the storage battery under the same environment are regularly compared, the battery is found to be abnormal and replaced in time, and the phenomenon that the system cannot work normally due to the damage of the battery is avoided.
The monitored illumination intensity, temperature and humidity parameters are sent to the background server to establish a big data model to monitor the storage battery, when the background server detects the same temperature and humidity, the illumination intensity information is weakened, and after the information is weakened to a certain threshold value, a background alarm is triggered to inform maintenance personnel to check whether the solar panel is damaged or shielded.
In summary, the present invention provides a solar charging control device, system and control method, wherein the charging control device includes a monitoring module, a control module, a switch module and a heating module, the monitoring module is used for monitoring the electric quantity parameter, the charging and discharging data and the environmental parameter data of the storage battery; the control module is used for outputting a control signal according to the parameter monitored by the monitoring module so as to control the heating module and the switch module; the heating module is used for heating the storage battery according to the heating control signal of the control module; and the switch module is connected with a charging channel used for opening or closing the charging channel between the storage battery and the solar panel according to the charging control signal of the control module. According to the technical scheme provided by the invention, when the storage battery is charged by adopting solar energy, the influence of environmental factors on the storage battery and the charging process is fully considered, the charging process is adjusted according to the monitoring result of the environmental parameters, the charging efficiency is improved, and the service life of the battery is prolonged; and the abnormal battery can be analyzed and replaced in time according to the monitored information, so that the system using the storage battery is prevented from being abnormal.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A solar charging control device is used for controlling a storage battery to be charged through a solar panel and is characterized by comprising a monitoring module, a control module, a switch module and a heating module; wherein the content of the first and second substances,
the monitoring module is connected with the storage battery and is used for monitoring electric quantity parameters, charging and discharging data and environment parameter data of the storage battery;
the control module is connected with the monitoring module, the heating module and the switch module and used for outputting a control signal according to the parameters monitored by the monitoring module so as to control the heating module and the switch module;
the heating module is connected with the storage battery and used for heating the storage battery according to the heating control signal of the control module;
the switch module is connected between the storage battery and the solar panel and used for opening or closing a charging path between the storage battery and the solar panel according to the charging control signal of the control module.
2. The device of claim 1, wherein the monitoring module comprises a power monitoring unit, a light intensity monitoring unit, a temperature monitoring unit and a humidity monitoring unit; the environmental parameters include light intensity, temperature, and humidity.
3. The device of claim 2, wherein the heating module comprises a thermofilm heating unit.
4. The apparatus of claim 3, further comprising a communication module and a GPS location module;
the GPS positioning module is used for monitoring positioning information of the device;
and the communication module is used for sending the positioning information and the abnormal alarm information when the parameters monitored by the monitoring module are abnormal.
5. The apparatus of claim 4, wherein the communication module comprises a 4G communication module or a 5G communication module.
6. A solar charging control system, comprising a background server and a solar charging control device, wherein the solar charging control device comprises the solar charging control device as claimed in any one of claims 1 to 4;
the solar charging control device is in information interaction with the background server through a communication module.
7. A control method for a solar charging control system comprising the system of claim 5, comprising:
controlling the switch module and the heating module to work according to whether the monitored electric quantity and temperature exceed threshold values;
if the monitored temperature is higher than a first high-temperature alarm threshold value and/or the humidity is higher than a humidity alarm threshold value, sending current positioning information, high-temperature alarm information and/or humidity alarm information to a background server;
transmitting the monitored charging and discharging data of each time to a background server so as to establish a big data model to monitor the storage battery;
and sending the monitored illumination intensity, temperature and humidity parameters to a background server so as to establish a big data model to monitor the storage battery.
8. The method of claim 6, wherein controlling the operation of the switch module and heating module based on whether the monitored power and temperature exceed thresholds comprises:
if the electric quantity is larger than or equal to the normal electric quantity threshold value and the temperature is lower than the low-temperature threshold value, controlling the heating module to heat the storage battery;
and if the electric quantity is smaller than the normal electric quantity threshold value and the temperature is lower than the low-temperature threshold value, controlling the switch module to open the charging passage and improving the charging threshold value of the charging electric quantity.
9. The method of claim 6, wherein controlling the operation of the switch module and heating module based on whether the monitored power and temperature exceed thresholds comprises:
when the storage battery is in the process of charging,
and if the temperature is higher than a second high-temperature threshold value, controlling the switch module to close the charging path.
10. The method of claim 9, wherein the first high temperature threshold is higher than the second high temperature threshold.
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| CN115009524A (en) * | 2022-07-17 | 2022-09-06 | 西北工业大学 | Solar airplane thermal control system and method based on normal operation state |
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