CN116231787A - Charging and discharging control method and device, terminal equipment and storage medium - Google Patents
Charging and discharging control method and device, terminal equipment and storage medium Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000007599 discharging Methods 0.000 title claims description 95
- 238000004146 energy storage Methods 0.000 claims abstract description 193
- 238000004590 computer program Methods 0.000 claims description 22
- 239000000284 extract Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
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- 206010063385 Intellectualisation Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
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- 238000004422 calculation algorithm Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000011217 control strategy Methods 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
- H02J7/007—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
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/443—Methods for charging or discharging in response to temperature
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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
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
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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
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- 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
- H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
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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
- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
- H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
- H02J7/007194—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature of the battery
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- Chemical & Material Sciences (AREA)
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- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a charge and discharge control method, a device, terminal equipment and a storage medium, wherein after interface information of a target energy storage system is acquired, the working state of the target energy storage system is judged according to the interface information: when the working state is the charging mode, the charging operation is executed: according to battery data and equipment operation records of the target energy storage system, charging control is carried out so that the target energy storage system can adjust charging power; when the operation state is the discharge mode, a discharge operation is performed: according to the parameter information of the load and the discharge control data transmitted by the user, performing discharge control so as to enable the target energy storage system to adjust the discharge power; when the operation state is the hybrid mode, the charge operation and the discharge operation are simultaneously performed. According to the invention, the electricity utilization environment is identified according to the interface information of the target energy storage system, and the discharge control is performed based on the parameter information of the load during the discharge, so that the charge and discharge of the charge and discharge power of the target energy storage system is controlled, and the charge and discharge efficiency is improved.
Description
Technical Field
The present invention relates to the field of electrical data processing, and in particular, to a charge and discharge control method, a device, a terminal device, and a storage medium.
Background
Generally, the portable energy storage system is composed of a chemical energy storage battery, a BMS, an inverter, a main control unit and the like.
The existing portable energy storage system can be converted into alternating current 11V/220V through an inverter to provide electricity for the outside under the control of a main control unit, has direct current function capability, can provide 12V/2V power supply, has a single electricity consumption mode, and cannot be selected by a user according to actual demands. In addition, in the charging process, the battery is charged according to a certain algorithm completely depending on the characteristics of the BMS and the battery, and although the current can change along with the temperature change of the battery under the management of the BMS in the charging process, the charging process is single in mode and cannot be controlled by a user. Therefore, the existing energy storage system has too single charge and discharge modes, adopts the same charge and discharge modes for different load types and different electricity utilization environments, and charges and discharges with the same charge and discharge power, thereby influencing the charge and discharge efficiency of the energy storage system.
Therefore, a charge-discharge control strategy is needed to solve the problem of low charge-discharge efficiency of the energy storage system.
Disclosure of Invention
The embodiment of the invention provides a charge and discharge control method, a charge and discharge control device, terminal equipment and a storage medium, so as to improve the charge and discharge efficiency of an energy storage system.
In order to solve the above-mentioned problems, an embodiment of the present invention provides a charge and discharge control method, including:
acquiring interface information of a target energy storage system, and judging the working state of the target energy storage system according to the interface information; wherein, the operating condition includes: charging mode, discharging mode, and hybrid mode;
when the working state is a charging mode, executing charging operation; wherein, the charging operation specifically comprises: receiving battery data and equipment operation records transmitted by the target energy storage system, generating a charging mode switching instruction according to the battery data and the equipment operation records, and transmitting the charging mode switching instruction to the target energy storage system so that the target energy storage system can adjust charging power according to the charging mode switching instruction, and charging based on the adjusted charging power;
when the working state is a discharging mode, executing discharging operation; wherein, the discharging operation specifically comprises: acquiring parameter information of a load, receiving discharge control data transmitted by a user terminal, generating a discharge mode switching instruction according to the discharge control data, and transmitting the parameter information and the discharge mode switching instruction to the target energy storage system so that the target energy storage system adjusts discharge power according to the parameter information and the discharge mode switching instruction, thereby discharging based on the adjusted discharge power; wherein the load is connected with the target energy storage system;
When the operation state is the hybrid mode, the charge operation and the discharge operation are simultaneously performed.
As an improvement of the above solution, the determining the working state of the target energy storage system according to the interface information specifically includes:
judging the working state of the target energy storage system according to the interface information; wherein the interface information includes: a charge line state, a load state, and a discharge switch state;
if the charging wire state is an access state and the load state is an idle state, the target energy storage system is in a charging mode;
if the charging wire state is in an idle state, the loading state is in an access state and the discharging switch state is in an on state, the target energy storage system is in a discharging mode;
if the charging wire state is the access state, the load state is the access state, and the discharging switch state is the on state, the target energy storage system is in the hybrid mode.
As an improvement of the above solution, the receiving the battery data and the device operation record transmitted by the target energy storage system generates a charging mode switching instruction according to the battery data and the device operation record, which specifically includes:
the charging mode switching instruction includes: a fast charge mode switching instruction, a standard charge mode switching instruction, and a mute charge mode switching instruction;
Receiving battery data and equipment operation records transmitted by a target energy storage system, and extracting historical time for operating a mute charging mode in the equipment operation records; wherein the battery data includes: battery voltage and battery temperature;
when the battery voltage is a first voltage threshold and the battery temperature is within a fast charge temperature interval, generating a fast charge mode switching instruction;
when the temperature of the battery is in a standard temperature interval, generating a standard charging mode switching instruction;
and generating a mute charging mode switching instruction when the system time is in the historical time of running the mute charging mode and the first time interval.
As an improvement of the above solution, the target energy storage system switches charging power according to the charging mode switching instruction, specifically:
after receiving the charging mode switching instruction, the target energy storage system judges the charging mode switching instruction;
if the charging mode switching instruction is a fast charging mode switching instruction, the target energy storage system adjusts the charging power to 2000W;
if the charging mode switching instruction is a standard charging mode switching instruction, the target energy storage system adjusts the charging power to 1500W;
And if the charging mode switching instruction is a mute charging mode switching instruction, the target energy storage system adjusts the charging power to be 500W.
As an improvement of the above solution, the target energy storage system adjusts the discharge power according to the parameter information and the discharge mode switching instruction, specifically:
after receiving the parameter information and the discharge mode switching instruction, the target energy storage system judges the discharge mode switching instruction;
if the discharge mode switching instruction is a standard discharge mode, the target energy storage system extracts rated power in the parameter information and adjusts the discharge power to be rated power;
and if the discharge mode switching instruction is the energy-saving discharge mode, the target energy storage system adjusts the discharge power to be energy-saving power.
As an improvement of the scheme, when the discharging operation does not receive the discharging control data transmitted by the user side, a standard discharging mode is selected by default to generate a discharging mode switching instruction, and the discharging mode switching instruction corresponding to the standard discharging mode is transmitted to the target energy storage system.
Correspondingly, an embodiment of the present invention further provides a charge and discharge control device, including: the device comprises a data acquisition module, a charging control module, a discharging control module and a hybrid control module;
The data acquisition module is used for acquiring interface information of a target energy storage system and judging the working state of the target energy storage system according to the interface information; wherein, the operating condition includes: charging mode, discharging mode, and hybrid mode;
the charging control module is used for executing charging operation when the working state is a charging mode; wherein, the charging operation specifically comprises: receiving battery data and equipment operation records transmitted by the target energy storage system, generating a charging mode switching instruction according to the battery data and the equipment operation records, and transmitting the charging mode switching instruction to the target energy storage system so that the target energy storage system can adjust charging power according to the charging mode switching instruction, and charging based on the adjusted charging power;
the discharging control module is used for executing discharging operation when the working state is a discharging mode; wherein, the discharging operation specifically comprises: acquiring parameter information of a load, receiving discharge control data transmitted by a user terminal, generating a discharge mode switching instruction according to the discharge control data, and transmitting the parameter information and the discharge mode switching instruction to the target energy storage system so that the target energy storage system adjusts discharge power according to the parameter information and the discharge mode switching instruction, thereby discharging based on the adjusted discharge power; wherein the load is connected with the target energy storage system;
And the hybrid control module is used for simultaneously executing the charging operation and the discharging operation when the working state is the hybrid mode.
As an improvement of the above solution, the determining the working state of the target energy storage system according to the interface information specifically includes:
judging the working state of the target energy storage system according to the interface information; wherein the interface information includes: a charge line state, a load state, and a discharge switch state;
if the charging wire state is an access state and the load state is an idle state, the target energy storage system is in a charging mode;
if the charging wire state is in an idle state, the loading state is in an access state and the discharging switch state is in an on state, the target energy storage system is in a discharging mode;
if the charging wire state is the access state, the load state is the access state, and the discharging switch state is the on state, the target energy storage system is in the hybrid mode.
As an improvement of the above solution, the receiving the battery data and the device operation record transmitted by the target energy storage system generates a charging mode switching instruction according to the battery data and the device operation record, which specifically includes:
the charging mode switching instruction includes: a fast charge mode switching instruction, a standard charge mode switching instruction, and a mute charge mode switching instruction;
Receiving battery data and equipment operation records transmitted by a target energy storage system, and extracting historical time for operating a mute charging mode in the equipment operation records; wherein the battery data includes: battery voltage and battery temperature;
when the battery voltage is a first voltage threshold and the battery temperature is within a fast charge temperature interval, generating a fast charge mode switching instruction;
when the temperature of the battery is in a standard temperature interval, generating a standard charging mode switching instruction;
and generating a mute charging mode switching instruction when the system time is in the historical time of running the mute charging mode and the first time interval.
As an improvement of the above solution, the target energy storage system switches charging power according to the charging mode switching instruction, specifically:
after receiving the charging mode switching instruction, the target energy storage system judges the charging mode switching instruction;
if the charging mode switching instruction is a fast charging mode switching instruction, the target energy storage system adjusts the charging power to 2000W;
if the charging mode switching instruction is a standard charging mode switching instruction, the target energy storage system adjusts the charging power to 1500W;
And if the charging mode switching instruction is a mute charging mode switching instruction, the target energy storage system adjusts the charging power to be 500W.
As an improvement of the above solution, the target energy storage system adjusts the discharge power according to the parameter information and the discharge mode switching instruction, specifically:
after receiving the parameter information and the discharge mode switching instruction, the target energy storage system judges the discharge mode switching instruction;
if the discharge mode switching instruction is a standard discharge mode, the target energy storage system extracts rated power in the parameter information and adjusts the discharge power to be rated power;
and if the discharge mode switching instruction is the energy-saving discharge mode, the target energy storage system adjusts the discharge power to be energy-saving power.
As an improvement of the scheme, when the discharging operation does not receive the discharging control data transmitted by the user side, a standard discharging mode is selected by default to generate a discharging mode switching instruction, and the discharging mode switching instruction corresponding to the standard discharging mode is transmitted to the target energy storage system.
Accordingly, an embodiment of the present invention also provides a computer terminal device, including a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, where the processor implements a charge and discharge control method according to the present invention when executing the computer program.
Correspondingly, an embodiment of the invention further provides a computer readable storage medium, which comprises a stored computer program, wherein the computer program controls a device where the computer readable storage medium is located to execute the charge and discharge control method according to the invention when running.
From the above, the invention has the following beneficial effects:
the invention provides a charge and discharge control method, which comprises the steps of judging the working state of a target energy storage system according to interface information after the interface information of the target energy storage system is acquired: when the working state is the charging mode, the charging operation is executed: according to battery data and equipment operation records of the target energy storage system, charging control of the target energy storage system is carried out, so that the target energy storage system can adjust charging power; when the operation state is the discharge mode, a discharge operation is performed: according to the parameter information of the load and the discharge control data transmitted by the user, performing discharge control on the target energy storage system so as to enable the target energy storage system to adjust the discharge power; when the operation state is the hybrid mode, the charge operation and the discharge operation are simultaneously performed. According to the interface information of the target energy storage system, the power utilization environment of the energy storage system can be identified, and the discharge control is performed based on the parameter information of the load during the discharge, so that the target energy storage system is controlled to select corresponding charge and discharge power for charge and discharge under different loads and different power utilization environments, and the charge and discharge efficiency is improved.
Furthermore, the invention can judge the working state based on the interface information of the target energy storage system, and execute corresponding charge and discharge operation according to the confirmed working state, thereby being beneficial to promoting the intellectualization of the charge and discharge control of the target energy storage system.
Drawings
Fig. 1 is a schematic flow chart of a charge and discharge control method according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a charge-discharge control device according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a target energy storage system according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a terminal device according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, fig. 1 is a flow chart of a charge-discharge control method according to an embodiment of the present invention, as shown in fig. 1, the embodiment includes steps 101 to 104, and the steps are specifically as follows:
Step 101: acquiring interface information of a target energy storage system, and judging the working state of the target energy storage system according to the interface information; wherein, the operating condition includes: charge mode, discharge mode, and hybrid mode.
In this embodiment, the determining the working state of the target energy storage system according to the interface information specifically includes:
judging the working state of the target energy storage system according to the interface information; wherein the interface information includes: a charge line state, a load state, and a discharge switch state;
if the charging wire state is an access state and the load state is an idle state, the target energy storage system is in a charging mode;
if the charging wire state is in an idle state, the loading state is in an access state and the discharging switch state is in an on state, the target energy storage system is in a discharging mode;
if the charging wire state is the access state, the load state is the access state, and the discharging switch state is the on state, the target energy storage system is in the hybrid mode.
In a specific embodiment, when the target energy storage system is plugged into a charging wire or connected to a load and a discharging switch is turned on, the working state can be automatically identified, and the identification mode is based on the following criteria: a charging mode that a power grid charging wire is in an access state and a load is in an idle state; discharge mode: the charging wire of the power grid is in an empty state, the load is in an access state, and the discharging switch is turned on; in the hybrid mode, the grid charging wire is in an on state, the load is in an on state, and the discharge switch is turned on.
Step 102: when the working state is a charging mode, executing charging operation; wherein, the charging operation specifically comprises: and receiving battery data and equipment operation records transmitted by the target energy storage system, generating a charging mode switching instruction according to the battery data and the equipment operation records, and transmitting the charging mode switching instruction to the target energy storage system so that the target energy storage system can adjust charging power according to the charging mode switching instruction, and charging based on the adjusted charging power.
In this embodiment, the receiving the battery data and the device operation record transmitted by the target energy storage system generates a charging mode switching instruction according to the battery data and the device operation record, which specifically includes:
the charging mode switching instruction includes: a fast charge mode switching instruction, a standard charge mode switching instruction, and a mute charge mode switching instruction;
receiving battery data and equipment operation records transmitted by a target energy storage system, and extracting historical time for operating a mute charging mode in the equipment operation records; wherein the battery data includes: battery voltage and battery temperature;
When the battery voltage is a first voltage threshold and the battery temperature is within a fast charge temperature interval, generating a fast charge mode switching instruction;
when the temperature of the battery is in a standard temperature interval, generating a standard charging mode switching instruction;
and generating a mute charging mode switching instruction when the system time is in the historical time of running the mute charging mode and the first time interval.
In a specific embodiment, the energy storage system enters a preset charging working mode (i.e. a standard charging mode, and can switch modes according to user settings), and can switch in the working process; the switching modes comprise three modes, namely a quick charge mode, a standard charge mode and a mute charge mode.
The basis of the fast charging mode switching is as follows: the BMS detects the battery characteristics, when the voltage of the lithium battery is above 3.0V (namely the first voltage threshold value of the invention), the temperature is below 55 ℃ (namely the fast charge temperature interval of the invention), and the lithium battery pack is considered to be in the best state, and is charged at 2C;
the standard charging mode is switched according to the following conditions: the BMS detects the battery characteristics and monitors the temperature to be 55 ℃ to 65 ℃ (namely, the standard temperature interval of the invention);
The basis of the mute charging mode switching is as follows: system time and charging habit of user, at system time 23:00 to the next day 05:00 (i.e., the first time interval claimed in the present invention) and the time when the user operates the mute charging mode, automatically switching the mute charging mode; and the charging habit of the user is obtained by recording the time of the target charging system in a mute charging mode.
In a specific embodiment, the charging mode of the target energy storage system is changed by acquiring charging control data transmitted by the user terminal; namely, the user selects one of a quick charge mode, a standard charge mode and a mute charge mode at the user end, generates charge control data, and transmits the charge control data to the target energy storage system so as to enable the target energy storage system to adjust to the charge mode corresponding to the charge control data.
In a specific embodiment, the charging habit may be: and recording the operation of the user terminal in the APP server, and obtaining the charging habit of the user by recording the time of the user terminal for selecting each mode.
In this embodiment, the target energy storage system switches charging power according to the charging mode switching instruction, specifically:
After receiving the charging mode switching instruction, the target energy storage system judges the charging mode switching instruction;
if the charging mode switching instruction is a fast charging mode switching instruction, the target energy storage system adjusts the charging power to 2000W;
if the charging mode switching instruction is a standard charging mode switching instruction, the target energy storage system adjusts the charging power to 1500W;
and if the charging mode switching instruction is a mute charging mode switching instruction, the target energy storage system adjusts the charging power to be 500W.
In a specific embodiment, the target energy storage system performs identification according to the received charging mode switching instruction, and charges with different powers 2000W, 1500W, and 500W, respectively: starting 2000W of charging in a fast charging mode; starting 1500W charging in standard mode; a 500W charge is initiated in mute mode.
In a specific embodiment, in the mute mode, the target energy storage system automatically turns off the fan according to the battery temperature and the inverter temperature.
Step 103: when the working state is a discharging mode, executing discharging operation; wherein, the discharging operation specifically comprises: acquiring parameter information of a load, receiving discharge control data transmitted by a user terminal, generating a discharge mode switching instruction according to the discharge control data, and transmitting the parameter information and the discharge mode switching instruction to the target energy storage system so that the target energy storage system adjusts discharge power according to the parameter information and the discharge mode switching instruction, thereby discharging based on the adjusted discharge power; wherein the load is connected with the target energy storage system.
In this embodiment, the target energy storage system adjusts the discharge power according to the parameter information and the discharge mode switching instruction, specifically:
after receiving the parameter information and the discharge mode switching instruction, the target energy storage system judges the discharge mode switching instruction;
if the discharge mode switching instruction is a standard discharge mode, the target energy storage system extracts rated power in the parameter information and adjusts the discharge power to be rated power;
and if the discharge mode switching instruction is the energy-saving discharge mode, the target energy storage system adjusts the discharge power to be energy-saving power.
In a specific embodiment, receiving discharge mode setting information (i.e., a discharge mode switching instruction of the present invention) set by a mobile phone APP (i.e., a user terminal of the present invention), so that the target energy storage system enters a preset discharge working mode according to the discharge mode setting information and can switch in the working process; the mode of switching includes two modes, respectively standard discharge mode, energy-conserving discharge mode, and this mode switching needs the manual work to switch at cell-phone end APP according to self work demand.
In a specific embodiment, after entering the energy-saving discharging mode, if the load does not consume power in a set idle time interval, the target energy storage system will automatically shut down the output.
In this embodiment, when the discharging operation does not receive the discharging control data transmitted by the user terminal, the discharging operation selects the standard discharging mode by default to generate a discharging mode switching instruction, and transmits the discharging mode switching instruction corresponding to the standard discharging mode to the target energy storage system.
Step 104: when the operation state is the hybrid mode, the charge operation and the discharge operation are simultaneously performed.
In a specific embodiment, referring to fig. 3, fig. 3 is a schematic structural diagram of a target energy storage system, including: a user terminal 301, an inverter unit 302, a main control unit 303, a BMS304, and a lithium iron phosphate battery pack 305;
the user side 301 generates a control instruction based on the selection and operation of the user, and transmits the control instruction to the main control unit 303 for analysis and execution of the instruction;
the inverter unit 302 is used for performing voltage and current adjustment according to the main control unit;
the main control unit 303 executes the charge and discharge control method of the invention, bluetooth communication and WIFI communication are realized through the IOT, and the selection of the energy storage charge and discharge mode by the user side can be realized based on the IOT;
The BMS304 is used for battery monitoring, SOC calculation, and charge balancing functions, and in this embodiment, the BMS current supports the maximum 5C discharge and 2C charge required current;
the lithium iron phosphate battery 305 is used for energy supply, in this embodiment, a single lithium iron phosphate battery is 32700 type, the discharge current is 3C at 0 to +60 ℃, the maximum pulse current reaches 5C, and the rapid charge current can reach 2C.
After the interface information of the target energy storage system is obtained, the working state of the target energy storage system is judged according to the interface information: when the working state is the charging mode, the charging operation is executed: according to battery data and equipment operation records of the target energy storage system, charging control of the target energy storage system is carried out, so that the target energy storage system can adjust charging power; when the operation state is the discharge mode, a discharge operation is performed: according to the parameter information of the load and the discharge control data transmitted by the user, performing discharge control on the target energy storage system so as to enable the target energy storage system to adjust the discharge power; when the operation state is the hybrid mode, the charge operation and the discharge operation are simultaneously performed. The embodiment realizes the charge and discharge control of the energy storage system in different modes such as a charge mode, a discharge mode and the like, and the system can control the charge and discharge modes of the target energy storage system according to a plurality of preset charge and discharge modes under the condition of knowing by a user.
Example two
Referring to fig. 2, fig. 2 is a schematic structural diagram of a charge-discharge control device according to an embodiment of the present invention, including: a data acquisition module 201, a charge control module 202, a discharge control module 203, and a hybrid control module 204;
the data acquisition module 201 is configured to acquire interface information of a target energy storage system, and determine an operating state of the target energy storage system according to the interface information; wherein, the operating condition includes: charging mode, discharging mode, and hybrid mode;
the charging control module 202 is configured to perform a charging operation when the working state is a charging mode; wherein, the charging operation specifically comprises: receiving battery data and equipment operation records transmitted by the target energy storage system, generating a charging mode switching instruction according to the battery data and the equipment operation records, and transmitting the charging mode switching instruction to the target energy storage system so that the target energy storage system can adjust charging power according to the charging mode switching instruction, and charging based on the adjusted charging power;
the discharging control module 203 is configured to perform a discharging operation when the working state is a discharging mode; wherein, the discharging operation specifically comprises: acquiring parameter information of a load, receiving discharge control data transmitted by a user terminal, generating a discharge mode switching instruction according to the discharge control data, and transmitting the parameter information and the discharge mode switching instruction to the target energy storage system so that the target energy storage system adjusts discharge power according to the parameter information and the discharge mode switching instruction, thereby discharging based on the adjusted discharge power; wherein the load is connected with the target energy storage system;
The hybrid control module 204 is configured to perform a charging operation and a discharging operation simultaneously when the operating state is a hybrid mode.
As an improvement of the above solution, the determining the working state of the target energy storage system according to the interface information specifically includes:
judging the working state of the target energy storage system according to the interface information; wherein the interface information includes: a charge line state, a load state, and a discharge switch state;
if the charging wire state is an access state and the load state is an idle state, the target energy storage system is in a charging mode;
if the charging wire state is in an idle state, the loading state is in an access state and the discharging switch state is in an on state, the target energy storage system is in a discharging mode;
if the charging wire state is the access state, the load state is the access state, and the discharging switch state is the on state, the target energy storage system is in the hybrid mode.
As an improvement of the above solution, the receiving the battery data and the device operation record transmitted by the target energy storage system generates a charging mode switching instruction according to the battery data and the device operation record, which specifically includes:
the charging mode switching instruction includes: a fast charge mode switching instruction, a standard charge mode switching instruction, and a mute charge mode switching instruction;
Receiving battery data and equipment operation records transmitted by a target energy storage system, and extracting historical time for operating a mute charging mode in the equipment operation records; wherein the battery data includes: battery voltage and battery temperature;
when the battery voltage is a first voltage threshold and the battery temperature is within a fast charge temperature interval, generating a fast charge mode switching instruction;
when the temperature of the battery is in a standard temperature interval, generating a standard charging mode switching instruction;
and generating a mute charging mode switching instruction when the system time is in the historical time of running the mute charging mode and the first time interval.
As an improvement of the above solution, the target energy storage system switches charging power according to the charging mode switching instruction, specifically:
after receiving the charging mode switching instruction, the target energy storage system judges the charging mode switching instruction;
if the charging mode switching instruction is a fast charging mode switching instruction, the target energy storage system adjusts the charging power to 2000W;
if the charging mode switching instruction is a standard charging mode switching instruction, the target energy storage system adjusts the charging power to 1500W;
And if the charging mode switching instruction is a mute charging mode switching instruction, the target energy storage system adjusts the charging power to be 500W.
As an improvement of the above solution, the target energy storage system adjusts the discharge power according to the parameter information and the discharge mode switching instruction, specifically:
after receiving the parameter information and the discharge mode switching instruction, the target energy storage system judges the discharge mode switching instruction;
if the discharge mode switching instruction is a standard discharge mode, the target energy storage system extracts rated power in the parameter information and adjusts the discharge power to be rated power;
and if the discharge mode switching instruction is the energy-saving discharge mode, the target energy storage system adjusts the discharge power to be energy-saving power.
As an improvement of the scheme, when the discharging operation does not receive the discharging control data transmitted by the user side, a standard discharging mode is selected by default to generate a discharging mode switching instruction, and the discharging mode switching instruction corresponding to the standard discharging mode is transmitted to the target energy storage system.
In the embodiment, the data acquisition module acquires interface information of the target energy storage system, and judges the working state of the interface information in the target energy storage system. When the working state is a charging mode, a charging operation is executed through the charging control module: the battery data and the equipment operation records transmitted by the target energy storage system are generated, and a charging mode switching instruction is generated, so that the target energy storage system adjusts charging power according to the charging mode switching instruction; when the working state is a discharging mode, a discharging operation is executed through a discharging control module: acquiring parameter information of a load, receiving discharge control data transmitted by a user terminal, and generating a discharge mode switching instruction so that a target energy storage system adjusts discharge power according to the discharge mode switching instruction and the parameter information; and when the working state is the hybrid mode, the charging operation and the discharging operation are simultaneously executed through the hybrid control module. According to the interface information of the target energy storage system, the power utilization environment of the energy storage system can be identified, and the discharge control is performed based on the parameter information of the load during discharge, so that the target energy storage system is controlled to select corresponding charge and discharge power for charge and discharge under different loads and different power utilization environments, and the charge and discharge efficiency is improved.
Example III
Referring to fig. 4, fig. 4 is a schematic structural diagram of a terminal device according to an embodiment of the present invention.
A terminal device of this embodiment includes: a processor 401, a memory 402 and a computer program stored in the memory 402 and executable on the processor 401. The processor 401, when executing the computer program, implements the steps of the respective charge and discharge control methods described above in the embodiment, for example, all the steps of the charge and discharge control method shown in fig. 1. Alternatively, the processor may implement functions of each module in the above-described device embodiments when executing the computer program, for example: all modules of the charge-discharge control device shown in fig. 2.
In addition, an embodiment of the present invention further provides a computer readable storage medium, where the computer readable storage medium includes a stored computer program, where when the computer program runs, the device where the computer readable storage medium is controlled to execute the charge and discharge control method according to any one of the embodiments above.
It will be appreciated by those skilled in the art that the schematic diagram is merely an example of a terminal device and does not constitute a limitation of the terminal device, and may include more or less components than illustrated, or may combine certain components, or different components, e.g., the terminal device may further include an input-output device, a network access device, a bus, etc.
The processor 401 may be a central processing unit (Central Processing Unit, CPU), but may also be other general purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), off-the-shelf programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, and the processor 401 is a control center of the terminal device, and connects various parts of the entire terminal device using various interfaces and lines.
The memory 402 may be used to store the computer program and/or module, and the processor 401 may implement various functions of the terminal device by running or executing the computer program and/or module stored in the memory and invoking data stored in the memory 402. The memory 402 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program (such as a sound playing function, an image playing function, etc.) required for at least one function, and the like; the storage data area may store data (such as audio data, phonebook, etc.) created according to the use of the handset, etc. In addition, the memory may include high-speed random access memory, and may also include non-volatile memory, such as a hard disk, memory, plug-in hard disk, smart Media Card (SMC), secure Digital (SD) Card, flash Card (Flash Card), at least one disk storage device, flash memory device, or other volatile solid-state storage device.
Wherein the terminal device integrated modules/units may be stored in a computer readable storage medium if implemented in the form of software functional units and sold or used as stand alone products. Based on such understanding, the present invention may implement all or part of the flow of the method of the above embodiment, or may be implemented by a computer program to instruct related hardware, where the computer program may be stored in a computer readable storage medium, and when the computer program is executed by a processor, the computer program may implement the steps of each of the method embodiments described above. Wherein the computer program comprises computer program code which may be in source code form, object code form, executable file or some intermediate form etc. The computer readable medium may include: any entity or device capable of carrying the computer program code, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer Memory, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), an electrical carrier signal, a telecommunications signal, a software distribution medium, and so forth.
It should be noted that the above-described apparatus embodiments are merely illustrative, and the units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. In addition, in the drawings of the embodiment of the device provided by the invention, the connection relation between the modules represents that the modules have communication connection, and can be specifically implemented as one or more communication buses or signal lines. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also intended to be within the scope of the invention.
Claims (10)
1. A charge-discharge control method, characterized by comprising:
acquiring interface information of a target energy storage system, and judging the working state of the target energy storage system according to the interface information; wherein, the operating condition includes: charging mode, discharging mode, and hybrid mode;
When the working state is a charging mode, executing charging operation; wherein, the charging operation specifically comprises: receiving battery data and equipment operation records transmitted by the target energy storage system, generating a charging mode switching instruction according to the battery data and the equipment operation records, and transmitting the charging mode switching instruction to the target energy storage system so that the target energy storage system can adjust charging power according to the charging mode switching instruction, and charging based on the adjusted charging power;
when the working state is a discharging mode, executing discharging operation; wherein, the discharging operation specifically comprises: acquiring parameter information of a load, receiving discharge control data transmitted by a user terminal, generating a discharge mode switching instruction according to the discharge control data, and transmitting the parameter information and the discharge mode switching instruction to the target energy storage system so that the target energy storage system adjusts discharge power according to the parameter information and the discharge mode switching instruction, thereby discharging based on the adjusted discharge power; wherein the load is connected with the target energy storage system;
when the operation state is the hybrid mode, the charge operation and the discharge operation are simultaneously performed.
2. The charge-discharge control method according to claim 1, wherein the determining the working state of the target energy storage system according to the interface information specifically includes:
judging the working state of the target energy storage system according to the interface information; wherein the interface information includes: a charge line state, a load state, and a discharge switch state;
if the charging wire state is an access state and the load state is an idle state, the target energy storage system is in a charging mode;
if the charging wire state is in an idle state, the loading state is in an access state and the discharging switch state is in an on state, the target energy storage system is in a discharging mode;
if the charging wire state is the access state, the load state is the access state, and the discharging switch state is the on state, the target energy storage system is in the hybrid mode.
3. The charge and discharge control method according to claim 2, wherein the receiving the battery data and the device operation record transmitted by the target energy storage system generates a charge mode switching instruction according to the battery data and the device operation record, specifically:
the charging mode switching instruction includes: a fast charge mode switching instruction, a standard charge mode switching instruction, and a mute charge mode switching instruction;
Receiving battery data and equipment operation records transmitted by a target energy storage system, and extracting historical time for operating a mute charging mode in the equipment operation records; wherein the battery data includes: battery voltage and battery temperature;
when the battery voltage is a first voltage threshold and the battery temperature is within a fast charge temperature interval, generating a fast charge mode switching instruction;
when the temperature of the battery is in a standard temperature interval, generating a standard charging mode switching instruction;
and generating a mute charging mode switching instruction when the system time is in the historical time of running the mute charging mode and the first time interval.
4. The charge-discharge control method according to claim 3, wherein the target energy storage system switches charging power according to the charging mode switching instruction, specifically:
after receiving the charging mode switching instruction, the target energy storage system judges the charging mode switching instruction;
if the charging mode switching instruction is a fast charging mode switching instruction, the target energy storage system adjusts the charging power to 2000W;
if the charging mode switching instruction is a standard charging mode switching instruction, the target energy storage system adjusts the charging power to 1500W;
And if the charging mode switching instruction is a mute charging mode switching instruction, the target energy storage system adjusts the charging power to be 500W.
5. The charge-discharge control method according to claim 2, wherein the target energy storage system adjusts the discharge power according to the parameter information and the discharge mode switching instruction, specifically:
after receiving the parameter information and the discharge mode switching instruction, the target energy storage system judges the discharge mode switching instruction;
if the discharge mode switching instruction is a standard discharge mode, the target energy storage system extracts rated power in the parameter information and adjusts the discharge power to be rated power;
and if the discharge mode switching instruction is the energy-saving discharge mode, the target energy storage system adjusts the discharge power to be energy-saving power.
6. The method according to claim 5, wherein when the discharging operation does not receive the discharging control data transmitted from the user terminal, a standard discharging mode is selected by default to generate a discharging mode switching command, and the discharging mode switching command corresponding to the standard discharging mode is transmitted to the target energy storage system.
7. A charge/discharge control device, comprising: the device comprises a data acquisition module, a charging control module, a discharging control module and a hybrid control module;
The data acquisition module is used for acquiring interface information of a target energy storage system and judging the working state of the target energy storage system according to the interface information; wherein, the operating condition includes: charging mode, discharging mode, and hybrid mode;
the charging control module is used for executing charging operation when the working state is a charging mode; wherein, the charging operation specifically comprises: receiving battery data and equipment operation records transmitted by the target energy storage system, generating a charging mode switching instruction according to the battery data and the equipment operation records, and transmitting the charging mode switching instruction to the target energy storage system so that the target energy storage system can adjust charging power according to the charging mode switching instruction, and charging based on the adjusted charging power;
the discharging control module is used for executing discharging operation when the working state is a discharging mode; wherein, the discharging operation specifically comprises: acquiring parameter information of a load, receiving discharge control data transmitted by a user terminal, generating a discharge mode switching instruction according to the discharge control data, and transmitting the parameter information and the discharge mode switching instruction to the target energy storage system so that the target energy storage system adjusts discharge power according to the parameter information and the discharge mode switching instruction, thereby discharging based on the adjusted discharge power; wherein the load is connected with the target energy storage system;
And the hybrid control module is used for simultaneously executing the charging operation and the discharging operation when the working state is the hybrid mode.
8. The charge and discharge control device according to claim 7, wherein the determining the working state of the target energy storage system based on the interface information specifically includes:
judging the working state of the target energy storage system according to the interface information; wherein the interface information includes: a charge line state, a load state, and a discharge switch state;
if the charging wire state is an access state and the load state is an idle state, the target energy storage system is in a charging mode;
if the charging wire state is in an idle state, the loading state is in an access state and the discharging switch state is in an on state, the target energy storage system is in a discharging mode;
if the charging wire state is the access state, the load state is the access state, and the discharging switch state is the on state, the target energy storage system is in the hybrid mode.
9. A computer terminal device comprising a processor, a memory and a computer program stored in the memory and configured to be executed by the processor, the processor implementing a charge and discharge control method according to any one of claims 1 to 6 when executing the computer program.
10. A computer readable storage medium, characterized in that the computer readable storage medium comprises a stored computer program, wherein the computer program, when run, controls a device in which the computer readable storage medium is located to perform a charge and discharge control method according to any one of claims 1 to 6.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117200301A (en) * | 2023-11-08 | 2023-12-08 | 深圳海辰储能科技有限公司 | Port calling method and device based on energy storage system |
| CN118677082A (en) * | 2024-07-30 | 2024-09-20 | 邯郸健研电子科技有限公司 | Optical storage and charging integrated power distribution method and device |
| CN119171497A (en) * | 2024-11-22 | 2024-12-20 | 武汉亿纬储能有限公司 | Marine energy storage system and charging method thereof |
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| CN119340520B (en) * | 2024-12-16 | 2025-07-25 | 深圳安培时代数字能源科技有限公司 | Battery mode intelligent switching method, device and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117200301A (en) * | 2023-11-08 | 2023-12-08 | 深圳海辰储能科技有限公司 | Port calling method and device based on energy storage system |
| CN117200301B (en) * | 2023-11-08 | 2024-01-26 | 深圳海辰储能科技有限公司 | Port calling method and device based on energy storage system |
| CN118677082A (en) * | 2024-07-30 | 2024-09-20 | 邯郸健研电子科技有限公司 | Optical storage and charging integrated power distribution method and device |
| CN118677082B (en) * | 2024-07-30 | 2025-04-04 | 邯郸健研电子科技有限公司 | Photovoltaic storage and charging integrated power distribution method and device |
| CN119171497A (en) * | 2024-11-22 | 2024-12-20 | 武汉亿纬储能有限公司 | Marine energy storage system and charging method thereof |
| CN119340520A (en) * | 2024-12-16 | 2025-01-21 | 深圳安培时代数字能源科技有限公司 | Battery mode intelligent switching method, device and storage medium |
| CN119340520B (en) * | 2024-12-16 | 2025-07-25 | 深圳安培时代数字能源科技有限公司 | Battery mode intelligent switching method, device and storage medium |
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