CN117856369A - Battery charging control method, device, equipment, medium and vehicle - Google Patents
Battery charging control method, device, equipment, medium and vehicle Download PDFInfo
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- CN117856369A CN117856369A CN202211229386.4A CN202211229386A CN117856369A CN 117856369 A CN117856369 A CN 117856369A CN 202211229386 A CN202211229386 A CN 202211229386A CN 117856369 A CN117856369 A CN 117856369A
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- 230000000153 supplemental effect Effects 0.000 claims description 96
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- 238000004364 calculation method Methods 0.000 claims description 5
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- 230000009471 action Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000001502 supplementing effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
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Classifications
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/62—Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
- B60L58/15—Preventing overcharging
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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
-
- 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
- H02J7/00302—Overcharge 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The application provides a battery charging control method, a device, equipment, a medium and a vehicle, wherein the energy rising rate and the energy proportion of a battery in the previous period of the current period are obtained, the request supplement power of the current period is queried from a database according to the battery state information of the current period, the request supplement power of the current period is regulated according to a preset regulation rule by utilizing the energy proportion and the energy rising rate, so that the regulated request supplement power is obtained, and the regulated request supplement power is sent to power supply equipment, so that the power supply equipment controls the battery to charge according to the regulated request supplement power. The current request supplementary power is regulated according to the preset regulation rule through the energy duty ratio and the energy rising rate, so that the battery is not directly charged according to the request supplementary power determined in the current period, the problem of excessive battery charging is avoided, and the battery is protected.
Description
Technical Field
The present disclosure relates to the field of energy management technologies, and in particular, to a battery charging control method, device, apparatus, medium, and vehicle.
Background
When the battery is charged by the power supply device (for example, the charging pile), the battery can report to the power supply device to request the supplementary power, and the consumption of the battery can make the actual required power of the battery different from the required supplementary power reported to the power supply device.
Based on the above situation, the problems to be solved are: how to prevent the battery from being overcharged and realize the protection of the battery.
Disclosure of Invention
In view of the foregoing, it is an object of the present invention to provide a battery charging control method for solving or partially solving the above-mentioned problems.
In view of the above object, a first aspect of the present application provides a battery charge control method, including:
the method comprises the steps of obtaining the energy rising rate and the energy duty ratio of a battery in the period of time above the current period of time, wherein each period of time corresponds to a time range;
inquiring the request supplementary power of the current period from a database according to the battery state information of the current period, wherein the database stores the request supplementary power corresponding to various battery state information, and the battery state information is information of the charging state of the battery;
And regulating the request supplementary power in the current period according to the energy duty ratio and the energy rising rate and a preset regulation rule to obtain regulated request supplementary power, and sending the regulated request supplementary power to power supply equipment so that the power supply equipment charges the battery according to the regulated request supplementary power.
Optionally, the acquiring the energy duty ratio of the battery in the period previous to the current period includes:
acquiring the actual energy and the energy replenishment permission limit value of the battery in the period previous to the current period;
and calculating a ratio by using the actual energy and the energy supplement permission limit to obtain the energy duty ratio.
Optionally, at least one energy duty ratio threshold is preset, an energy rising rate threshold is set, and a first request adjusting rate corresponding to the energy duty ratio threshold is set on the energy duty ratio threshold;
the request supplementary power in the current period is regulated according to the energy duty ratio and the energy rising rate and a preset regulation rule, and the regulated request supplementary power is obtained, which comprises the following steps:
and in response to determining that the energy duty ratio is greater than or equal to the energy duty ratio threshold and the energy rising rate is greater than or equal to the energy rising rate threshold, reducing the request supplemental power according to the first request regulation rate to obtain the regulated request supplemental power.
Optionally, at least one power threshold is preset, an energy change threshold is set, and a second request adjustment rate corresponding to the power threshold is set on the power threshold;
after said reducing said requested supplemental power at said first requested supplemental power adjustment rate to obtain said adjusted requested supplemental power, comprising:
in response to determining that the adjusted requested supplemental power is within the power threshold range and that the rate of energy rise is less than the energy change threshold, the adjusted requested supplemental power is increased at the second requested adjustment rate.
Optionally, at least one current threshold is preset, a current change threshold is set, and a third request adjustment rate corresponding to the current threshold is set on the current threshold;
after said reducing said requested supplemental power at said first requested supplemental power adjustment rate to obtain said adjusted requested supplemental power, comprising:
acquiring current according to the regulated request supplemental power;
obtaining a current change rate according to the current;
in response to determining that the current is within the current threshold and the current change rate is less than the current change threshold, the regulated requested supplemental power is increased at the third requested regulation rate.
Optionally, the adjusting the requested supplemental power in the current period according to the energy duty ratio and the energy rising rate and a predetermined adjustment rule to obtain the adjusted requested supplemental power includes:
searching a first proportional control parameter P1, a first integral control parameter I1 and a first differential control parameter D1 in a first database according to the energy rising rate, and calculating according to the first proportional control parameter P1, the first integral control parameter I1 and the first differential control parameter D1 through a first control function to obtain first regulated required supplementary power, wherein the first database comprises the first proportional control parameter P1, the first integral control parameter I1 and the first differential control parameter D1 corresponding to different energy rising rates, and the first control function is expressed as:
first post-regulation request supplemental power = P1 delta t1+i1 +.DELTA.t1dt+D1 DELTA.t1/dt,
wherein Δt1 represents the difference between the actual energy and the energy replenishment allowance limit;
searching a second proportional control parameter P2, a second integral control parameter I2 and a second differential control parameter D2 from a second database according to the energy duty ratio, and calculating according to the second proportional control parameter P2, the second integral control parameter I2 and the second differential control parameter D2 through a second control function to obtain second adjusted request supplementary power, wherein the second database comprises the second proportional control parameter P2, the second integral control parameter I2 and the second differential control parameter D2 corresponding to different energy duty ratios, and the second control function is expressed as:
Second post-regulation request supplemental power = p2+i2 × jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj-j-jj-2,
wherein Δt2 represents the duty cycle of the actual energy and the energy replenishment allowance limit;
performing product processing on the first adjusted request supplemental power according to a preset first weight to obtain first power;
performing product processing on the second adjusted request supplemental power according to a preset second weight to obtain second power;
and summing the first power and the second power to obtain the regulated request complementary power.
Based on the same inventive concept, a second aspect of the present application provides a battery charging control method, including:
receiving a post-regulation request supplemental power obtained by the battery charge control method of any one of claims 1 to 6;
acquiring the voltage of the battery in the current period;
calculating the ratio of the regulated supplementary power to the voltage to obtain supplementary current;
and charging the battery according to the complementary current.
Based on the same inventive concept, a third aspect of the present application provides a battery charge control device, including:
the device comprises an acquisition module, a control module and a control module, wherein the acquisition module is configured to acquire the energy rising rate and the energy duty ratio of a battery in the period above the current period, and each period corresponds to a time range;
The query module is configured to query the request supplementary power of the current period from a database according to the battery state information of the current period, wherein the database stores the request supplementary power corresponding to various battery state information, and the battery state information is information of the charging state of the battery;
the adjusting module is configured to adjust the request supplementary power of the current period according to the energy duty ratio and the energy rising rate, obtain the adjusted request supplementary power, adjust the request supplementary power of the current period according to a preset adjusting rule according to the energy duty ratio and the energy rising rate, obtain the adjusted request supplementary power, and send the adjusted request supplementary power to a power supply device, so that the power supply device charges the battery according to the adjusted request supplementary power.
Based on the same inventive concept, a fourth aspect of the present application provides a battery charge control device, including:
a receiving module configured to receive the regulated request supplemental power obtained by the battery charge control method of any one of claims 1 to 6;
a voltage acquisition module configured to acquire a voltage of the battery in a current period;
The ratio calculation module is configured to calculate a ratio by using the regulated supplementary power and the voltage to obtain a supplementary current;
and a control module configured to charge the battery according to the supplemental current.
Based on the same inventive concept, a fifth aspect of the present application provides an electronic device, including a memory, a processor, and a computer program stored on the memory and executable on the processor, where the processor implements the battery charging control method according to the first aspect or the battery charging control method according to the second aspect when executing the program.
Based on the same inventive concept, a sixth aspect of the present application provides a non-transitory computer-readable storage medium storing computer instructions for causing a computer to execute the battery charge control method of the first aspect or the battery charge control method of the second aspect.
Based on the same inventive concept, a seventh aspect of the present application provides a vehicle, including the battery charge control device of the third aspect or the battery charge control device of the fourth aspect or the electronic apparatus of the fifth aspect or the storage medium of the sixth aspect.
As can be seen from the foregoing, the battery charging control method, apparatus, device, medium and vehicle provided by the present application, by obtaining the energy rising rate and the energy duty ratio of the battery in the previous period of the current period, query the requested supplemental power of the current period from the database according to the battery status information of the current period, adjust the requested supplemental power of the current period according to the predetermined adjustment rule by using the energy duty ratio and the energy rising rate, thereby obtaining the adjusted requested supplemental power, and send the adjusted requested supplemental power to the power supply device, so that the power supply device controls the battery to charge according to the adjusted requested supplemental power. The energy duty ratio and the energy rising rate of the vehicle battery are detected in real time during charging, the current request supplementary power is regulated according to a preset regulation rule according to a detection result, and therefore the battery is not directly charged according to the request supplementary power determined in the current period, and the problem of excessive battery charging is avoided, and the battery is protected.
Drawings
In order to more clearly illustrate the technical solutions of the present application or related art, the drawings that are required to be used in the description of the embodiments or related art will be briefly described below, and it is apparent that the drawings in the following description are only embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort to those of ordinary skill in the art.
Fig. 1 is a flowchart of a battery charge control method according to an embodiment of the present application;
FIG. 2 is a flow chart of a battery charge control method according to another embodiment of the present application;
fig. 3 is a schematic structural diagram of a battery charging control device according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a battery charging control device according to another embodiment of the present application;
fig. 5 is a schematic diagram of an electronic device according to an embodiment of the present application.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail below with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the disclosure.
In the related art, the battery is protected only by preventing the overcharge of the battery, and the battery cannot be prevented from being overcharged and can be rapidly charged.
The battery charging control method provided in the embodiment of the present application, as shown in fig. 1, includes:
Step 101, acquiring an energy rising rate and an energy duty ratio of the battery in a period previous to a current period, wherein each period corresponds to a time range.
In this step, the energy rising rate represents the rate of energy increase, the energy ratio represents the percentage of the actual energy reaching the energy replenishment allowance limit, the energy rising rate of the battery corresponding to the time range of the previous period is searched from the database storing the energy rising rate of each history time according to the time of the previous period in the current period, and the energy ratio of the battery corresponding to the time range of the previous period is searched from the database storing the energy ratio of each history time according to the time of the previous period in the current period.
Step 102, inquiring the request supplementary power of the current period from a database according to the battery state information of the current period, wherein the database stores the request supplementary power corresponding to various battery state information, and the battery state information is information of the charging state of the battery.
In this step, the battery state information includes at least one of: the temperature and the SOC (State of charge) are inquired in a database according to the battery State information of the current period, and the request for supplementing power of the current period is inquired in the database.
And step 103, adjusting the request supplementary power in the current period according to a preset adjustment rule according to the energy duty ratio and the energy rising rate to obtain adjusted request supplementary power, and sending the adjusted request supplementary power to a power supply device so that the power supply device charges the battery according to the adjusted request supplementary power.
In the step, the request supplementary power represents the power reported by the battery to the power supply equipment, the power supply equipment can be a charging pile, the regulated request supplementary power represents the power reported by the battery to the charging pile, the regulated request supplementary power is obtained by regulating the request power in the current period by using the energy duty ratio and the energy rising rate, and thus the battery cannot be directly charged according to the determined request supplementary power in the current period, and the problem of excessive charging of the battery is avoided, so that the battery is protected.
In some embodiments, in step 101, the obtaining the energy duty ratio of the battery in the period previous to the current period includes:
step 1011, obtaining the actual energy and the energy supplement allowable limit value of the battery in the period previous to the current period.
And step 1012, calculating a ratio by using the actual energy and the energy supplement permission limit to obtain the energy duty ratio.
In the above scheme, the actual energy may be an actual current, the energy replenishment permission limit may be a charging permission current, the energy ratio may be a percentage of the actual current to the charging permission current, and the ratio of the actual current to the charging permission current is calculated to obtain a percentage of the actual current to the charging permission current, where the energy ratio may be a percentage of the charging permission current reached by the battery charging rate in a period previous to the current period, or may be a percentage of the battery remaining capacity in a period previous to the current period reaching the battery permission charging capacity.
In some embodiments, at least one energy duty cycle threshold is preset, and an energy rising rate threshold is set, wherein the energy duty cycle threshold is provided with a first request adjustment rate corresponding to the energy duty cycle threshold;
step 103, including:
and in response to determining that the energy duty ratio is greater than or equal to the energy duty ratio threshold and the energy rising rate is greater than or equal to the energy rising rate threshold, reducing the request supplemental power according to the first request regulation rate to obtain the regulated request supplemental power.
In the above scheme, the energy ratio threshold may be one or more, each energy ratio threshold corresponds to a different first request adjustment rate, the energy ratio threshold represents a percentage of the actual energy reaching the energy replenishment permission limit, and the first request adjustment rate represents a rate of adjusting the requested replenishment power. The adjustment of the requested supplemental power is divided into a plurality of phases by respective energy duty cycle thresholds, and the requested supplemental power is adjusted using a first requested adjustment rate for the different phases.
When the energy duty ratio is greater than or equal to the energy duty ratio threshold and the energy rising rate is greater than or equal to the energy rising rate threshold, the energy rising rate is higher, and meanwhile, the energy duty ratio is higher, the possibility of overcharge can occur, therefore, the power is required to be supplemented according to the first request, the power is required to be supplemented in a smaller mode, the power is required to be supplemented after adjustment is obtained, the energy provided by the power supply equipment is reduced, and the problem of overcharge of the battery is solved.
In some embodiments, at least one power threshold is preset, and an energy change threshold is set, wherein the power threshold is provided with a second request adjustment rate corresponding to the power threshold;
After said reducing said requested supplemental power at said first requested supplemental power adjustment rate to obtain said adjusted requested supplemental power, comprising:
in response to determining that the adjusted requested supplemental power is within the power threshold range and that the rate of energy rise is less than the energy change threshold, the adjusted requested supplemental power is increased at the second requested adjustment rate.
In the above scheme, the power threshold may be one or more, and each power threshold corresponds to a different second request adjustment rate, where the second request adjustment rate indicates an adjustment rate for the adjusted request supplemental power.
When the regulated required supplementary power is within the power threshold range and the energy rising rate is smaller than the energy change threshold, the energy tends to be stable, and the regulated required supplementary power is steadily and slowly increased according to the second required regulating rate, so that the charging duration is reduced, and the battery is rapidly charged.
In some embodiments, at least one current threshold is preset, and a current change threshold is set, wherein the current threshold is provided with a third request adjustment rate corresponding to the current threshold;
After said reducing said requested supplemental power at said first requested supplemental power adjustment rate to obtain said adjusted requested supplemental power, comprising:
acquiring current according to the regulated request supplemental power;
obtaining a current change rate according to the current;
in response to determining that the current is within the current threshold and the current change rate is less than the current change threshold, the regulated requested supplemental power is increased at the third requested regulation rate.
In the above scheme, the current threshold may be one or more, and each current threshold corresponds to a different third request adjustment rate, where the third request adjustment rate indicates an adjustment rate for the adjusted request supplemental power.
When the regulated required supplementary power is within the current threshold range and the current change rate is smaller than the current change threshold, the current tends to be stable, and the regulated required supplementary power is steadily and slowly increased according to the third required regulation rate, so that the charging duration is reduced, and the battery is rapidly charged.
In some embodiments, step 103 comprises:
step 1031, searching a first proportional control parameter P1, a first integral control parameter I1 and a first differential control parameter D1 in a first database according to the energy rising rate, and calculating according to the first proportional control parameter P1, the first integral control parameter I1 and the first differential control parameter D1 through a first control function to obtain a first adjusted request supplementary power, wherein the first database comprises a first proportional control parameter P1, a first integral control parameter I1 and a first differential control parameter D1 corresponding to different energy rising rates, and the first control function is expressed as:
First post-regulation request supplemental power = P1 delta t1+i1 +.DELTA.t1dt+D1 DELTA.t1/dt,
wherein Δt1 represents the difference between the actual energy and the energy replenishment allowance limit.
Step 1032, searching a second proportional control parameter P2, a second integral control parameter I2 and a second differential control parameter D2 from a second database according to the energy duty ratio, and calculating according to the second proportional control parameter P2, the second integral control parameter I2 and the second differential control parameter D2 through a second control function to obtain a second adjusted request for supplementing power, wherein the second database includes a second proportional control parameter P2, a second integral control parameter I2 and a second differential control parameter D2 corresponding to different energy duty ratios, and the second control function is expressed as:
second post-regulation request supplemental power = p2+i2 × jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj-j-jj-2,
wherein Δt2 represents the duty cycle of the actual energy and the energy replenishment allowance limit.
And step 1033, performing product processing on the first adjusted request supplemental power according to a preset first weight to obtain first power.
And 1034, performing product processing on the second adjusted request supplemental power according to a preset second weight to obtain second power.
And step 1035, summing the first power and the second power to obtain the regulated request supplemental power.
In the above scheme, the difference between the actual energy and the energy replenishment permission limit is input into the first control function by calculating PID (proportional), integral, differential) parameters of the energy rising rate and the energy duty ratio, the first control function is calculated by using the PID parameters of the energy rising rate to obtain the first regulated power request, the duty ratio of the actual energy and the energy replenishment permission limit is input into the second control function, and the second control function is calculated by using the PID parameters of the energy duty ratio to obtain the second regulated power request.
And carrying out weighted summation processing on the first regulated request supplementary power and the second regulated request supplementary power according to a preset first weight and a preset second weight, so as to obtain the regulated request supplementary power.
The proportional (or portion) parameter of the energy rising rate is a first proportional control parameter P1, the integral (or portion) parameter is a first integral control parameter I1, the differential (or portion) parameter is a first differential control parameter D1, the proportional (or portion) parameter of the energy duty ratio is a second proportional control parameter P2, the integral (or portion) parameter is a second integral control parameter I2, and the integral (or portion) parameter is a second differential control parameter D2.
Based on the same inventive concept, the embodiments of the present application also provide a battery charging control method, as shown in fig. 2, including:
step 201, receiving the regulated request for supplemental power obtained by the battery charge control method described in the above embodiment.
Step 202, obtaining the voltage of the battery in the current period.
And 203, calculating a ratio by using the regulated supplemental power and the voltage to obtain supplemental current.
And 204, charging the battery according to the supplementary current.
In the scheme, the ratio calculation is performed by using the regulated supplemental power and the regulated voltage to obtain the supplemental current, namely the regulated supplemental power/voltage=the supplemental current, and the current of the power supply equipment when controlling the battery to charge is the supplemental current, so that the battery cannot be directly charged according to the request supplemental power determined in the current period, and the problem of excessive battery charging is avoided, thereby realizing the protection of the battery.
According to the scheme, the energy rising rate and the energy proportion of the battery in the previous period of the current period are obtained, the energy proportion and the energy rising rate are utilized to adjust the request supplement power of the current period, so that the request supplement power after adjustment is obtained, finally, the battery is controlled to carry out energy supplement according to the adjustment of the request power after adjustment, and the request power of the current period is adjusted through the energy proportion and the energy rising rate, so that the battery cannot be directly charged according to the determined request supplement power of the current period, and the problem of excessive battery charging is avoided, and the protection of the battery is realized. And when the regulated request supplementary power is within the power threshold range, the energy rising rate is smaller than the energy change threshold, the regulated request supplementary power is steadily and slowly increased according to the second request regulating rate, so that the charging duration is reduced, and the battery is rapidly charged. And the current can be obtained according to the regulated request for supplementing power, and when the current is in the current threshold range and the current change rate is smaller than the current change threshold, the regulated request for supplementing power is increased according to the third request regulation rate so as to reduce the charging time length and realize the rapid charging of the battery.
It should be noted that, the method of the embodiments of the present application may be performed by a single device, for example, a computer or a server. The method of the embodiment can also be applied to a distributed scene, and is completed by mutually matching a plurality of devices. In the case of such a distributed scenario, one of the devices may perform only one or more steps of the methods of embodiments of the present application, and the devices may interact with each other to complete the methods.
It should be noted that some embodiments of the present application are described above. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims may be performed in a different order than in the embodiments described above and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.
Based on the same inventive concept, the application also provides a battery charging control device corresponding to the method of any embodiment.
Referring to fig. 3, the battery charge control device includes:
an acquisition module 301 configured to acquire an energy rate and an energy duty ratio of the battery in a period previous to a current period, wherein each period corresponds to a time range;
the query module 302 is configured to query the request supplementary power of the current period from a database according to the battery state information of the current period, wherein the database stores the request supplementary power corresponding to various battery state information, and the battery state information is information of the charging state of the battery;
the adjusting module 303 is configured to adjust the requested supplementary power in the current period according to the energy duty ratio and the energy rising rate, obtain adjusted requested supplementary power, adjust the requested supplementary power in the current period according to a predetermined adjustment rule according to the energy duty ratio and the energy rising rate, obtain adjusted requested supplementary power, and send the adjusted requested supplementary power to a power supply device, so that the power supply device charges the battery according to the adjusted requested supplementary power.
In some embodiments, the acquisition module 301 is specifically configured to:
Acquiring the actual energy and the energy replenishment permission limit value of the battery in the period previous to the current period;
and calculating a ratio by using the actual energy and the energy supplement permission limit to obtain the energy duty ratio.
In some embodiments, at least one energy duty cycle threshold is preset, and an energy rising rate threshold is set, wherein the energy duty cycle threshold is provided with a first request adjustment rate corresponding to the energy duty cycle threshold;
the adjustment module 303 is specifically configured to:
and in response to determining that the energy duty ratio is greater than or equal to the energy duty ratio threshold and the energy rising rate is greater than or equal to the energy rising rate threshold, reducing the request supplemental power according to the first request regulation rate to obtain the regulated request supplemental power.
In some embodiments, at least one power threshold is preset, and an energy change threshold is set, wherein the power threshold is provided with a second request adjustment rate corresponding to the power threshold;
the battery charge control device further includes a first increase adjustment module, after the reducing the requested supplemental power at the first requested supplemental power adjustment rate to obtain the adjusted requested supplemental power, specifically configured to:
In response to determining that the adjusted requested supplemental power is within the power threshold range and that the rate of energy rise is less than the energy change threshold, the adjusted requested supplemental power is increased at the second requested adjustment rate.
In some embodiments, at least one current threshold is preset, and a current change threshold is set, wherein the current threshold is provided with a third request adjustment rate corresponding to the current threshold;
the battery charge control device further includes a second increase adjustment module, after the reducing the requested supplemental power in accordance with the first requested supplemental power adjustment rate, specifically configured to:
acquiring current according to the regulated request supplemental power;
obtaining a current change rate according to the current;
in response to determining that the current is within the current threshold and the current change rate is less than the current change threshold, the regulated requested supplemental power is increased at the third requested regulation rate.
In some embodiments, the adjustment module 303 is specifically configured to:
searching a first proportional control parameter P1, a first integral control parameter I1 and a first differential control parameter D1 in a first database according to the energy rising rate, and calculating according to the first proportional control parameter P1, the first integral control parameter I1 and the first differential control parameter D1 through a first control function to obtain first regulated required supplementary power, wherein the first database comprises the first proportional control parameter P1, the first integral control parameter I1 and the first differential control parameter D1 corresponding to different energy rising rates, and the first control function is expressed as:
First post-regulation request supplemental power = P1 delta t1+i1 +.DELTA.t1dt+D1 DELTA.t1/dt,
wherein Δt1 represents the difference between the actual energy and the energy replenishment allowance limit;
searching a second proportional control parameter P2, a second integral control parameter I2 and a second differential control parameter D2 in a second database according to the energy proportion, and calculating according to the second proportional control parameter P2, the second integral control parameter I2 and the second differential control parameter D2 through a second control function to obtain second adjusted request supplementary power, wherein the second database comprises the second proportional control parameter P2, the second integral control parameter I2 and the second differential control parameter D2 corresponding to different energy proportion, and the second control function is expressed as:
second post-regulation request supplemental power = p2+i2 × jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj-j-jj-2,
wherein Δt2 represents the duty cycle of the actual energy and the energy replenishment allowance limit;
performing product processing on the first adjusted request supplemental power according to a preset first weight to obtain first power;
performing product processing on the second adjusted request supplemental power according to a preset second weight to obtain second power;
And summing the first power and the second power to obtain the regulated request complementary power.
Based on the same inventive concept, the invention concept is the same as that of any battery charging control method embodiment, and the application also provides a battery charging control device.
Referring to fig. 4, the battery charge control device includes:
a receiving module 401 configured to receive the regulated request for supplemental power obtained by the battery charge control method described in the above embodiment;
a voltage acquisition module 402 configured to acquire a voltage of the battery in a current period;
a ratio calculation module 403 configured to perform ratio calculation using the adjusted supplemental power and the voltage to obtain a supplemental current;
a control module 404 configured to charge the battery according to the supplemental current.
For convenience of description, the above devices are described as being functionally divided into various modules, respectively. Of course, the functions of each module may be implemented in the same piece or pieces of software and/or hardware when implementing the present application.
The device of the foregoing embodiment is used to implement the corresponding battery charging control method in any of the foregoing embodiments, and has the beneficial effects of the corresponding method embodiment, which is not described herein.
Based on the same inventive concept, the application also provides an electronic device corresponding to the method of any embodiment, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor implements the battery charging control method of any embodiment when executing the program.
Fig. 5 shows a more specific hardware architecture of an electronic device according to this embodiment, where the device may include: a processor 501, a memory 502, an input/output interface 503, a communication interface 504, and a bus 505. Wherein the processor 501, the memory 502, the input/output interface 503 and the communication interface 504 enable a communication connection between each other inside the device via the bus 505.
The processor 501 may be implemented by a general-purpose CPU (Central Processing Unit ), a microprocessor, an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), or one or more integrated circuits, etc. for executing relevant programs to implement the technical solutions provided in the embodiments of the present disclosure.
The Memory 502 may be implemented in the form of ROM (Read Only Memory), RAM (Random Access Memory ), static storage device, dynamic storage device, or the like. Memory 502 may store an operating system and other application programs, and when the technical solutions provided in the embodiments of the present specification are implemented in software or firmware, relevant program codes are stored in memory 502 and invoked by processor 501 for execution.
The input/output interface 503 is used to connect with an input/output module to realize information input and output. The input/output module may be configured as a component in a device (not shown) or may be external to the device to provide corresponding functionality. Wherein the input devices may include a keyboard, mouse, touch screen, microphone, various types of sensors, etc., and the output devices may include a display, speaker, vibrator, indicator lights, etc.
The communication interface 504 is used to connect a communication module (not shown in the figure) to enable communication interaction between the device and other devices. The communication module may implement communication through a wired manner (such as USB, network cable, etc.), or may implement communication through a wireless manner (such as mobile network, WIFI, bluetooth, etc.).
Bus 505 includes a path to transfer information between elements of the device (e.g., processor 501, memory 502, input/output interface 503, and communication interface 504).
It should be noted that, although the above device only shows the processor 501, the memory 502, the input/output interface 503, the communication interface 504, and the bus 505, in the implementation, the device may further include other components necessary for achieving normal operation. Furthermore, it will be understood by those skilled in the art that the above-described apparatus may include only the components necessary to implement the embodiments of the present description, and not all the components shown in the drawings.
The electronic device of the foregoing embodiment is configured to implement the corresponding battery charging control method in any of the foregoing embodiments, and has the beneficial effects of the corresponding method embodiment, which is not described herein.
Based on the same inventive concept, corresponding to any of the above embodiments of the method, the present application further provides a non-transitory computer readable storage medium storing computer instructions for causing the computer to perform the battery charging control method according to any of the above embodiments.
The computer readable media of the present embodiments, including both permanent and non-permanent, removable and non-removable media, may be used to implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of storage media for a computer include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a computing device.
The storage medium of the above embodiment stores computer instructions for causing the computer to execute the battery charging control method according to any one of the above embodiments, and has the advantages of the corresponding method embodiments, which are not described herein.
Based on the same inventive concept, the present embodiment provides a vehicle corresponding to the battery charge control device or the electronic apparatus or the storage medium of any of the above embodiments, on which the battery charge control device or the electronic apparatus or the storage medium capable of implementing the battery charge control method of any of the above embodiments is mounted.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the application (including the claims) is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the present application, the steps may be implemented in any order, and there are many other variations of the different aspects of the embodiments of the present application as described above, which are not provided in detail for the sake of brevity.
Additionally, well-known power/ground connections to Integrated Circuit (IC) chips and other components may or may not be shown within the provided figures, in order to simplify the illustration and discussion, and so as not to obscure the embodiments of the present application. Furthermore, the devices may be shown in block diagram form in order to avoid obscuring the embodiments of the present application, and this also takes into account the fact that specifics with respect to implementation of such block diagram devices are highly dependent upon the platform on which the embodiments of the present application are to be implemented (i.e., such specifics should be well within purview of one skilled in the art). Where specific details (e.g., circuits) are set forth in order to describe example embodiments of the application, it should be apparent to one skilled in the art that embodiments of the application can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative in nature and not as restrictive.
While the present application has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of those embodiments will be apparent to those skilled in the art in light of the foregoing description. For example, other memory architectures (e.g., dynamic RAM (DRAM)) may use the embodiments discussed.
The present embodiments are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Accordingly, any omissions, modifications, equivalents, improvements and/or the like which are within the spirit and principles of the embodiments are intended to be included within the scope of the present application.
It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Claims (12)
1. A battery charge control method, characterized by comprising:
the method comprises the steps of obtaining the energy rising rate and the energy duty ratio of a battery in the period of time above the current period of time, wherein each period of time corresponds to a time range;
inquiring the request supplementary power of the current period from a database according to the battery state information of the current period, wherein the database stores the request supplementary power corresponding to various battery state information, and the battery state information is information of the charging state of the battery;
and regulating the request supplementary power in the current period according to the energy duty ratio and the energy rising rate and a preset regulation rule to obtain regulated request supplementary power, and sending the regulated request supplementary power to power supply equipment so that the power supply equipment charges the battery according to the regulated request supplementary power.
2. The method of claim 1, wherein the obtaining the energy duty cycle of the battery for a period previous to the current period comprises:
acquiring the actual energy and the energy replenishment permission limit value of the battery in the period previous to the current period;
and calculating a ratio by using the actual energy and the energy supplement permission limit to obtain the energy duty ratio.
3. The method of claim 1, wherein at least one energy duty cycle threshold is preset and an energy ramp rate threshold is set, the energy duty cycle threshold being provided with a first requested adjustment rate corresponding to the energy duty cycle threshold;
the request supplementary power in the current period is regulated according to the energy duty ratio and the energy rising rate and a preset regulation rule, and the regulated request supplementary power is obtained, which comprises the following steps:
and in response to determining that the energy duty ratio is greater than or equal to the energy duty ratio threshold and the energy rising rate is greater than or equal to the energy rising rate threshold, reducing the request supplemental power according to the first request regulation rate to obtain the regulated request supplemental power.
4. A method according to claim 3, characterized in that at least one power threshold is preset and an energy variation threshold is set, said power threshold being provided with a second requested adjustment rate corresponding to said power threshold;
after said reducing said requested supplemental power at said first requested supplemental power adjustment rate to obtain said adjusted requested supplemental power, comprising:
In response to determining that the adjusted requested supplemental power is within the power threshold range and that the rate of energy rise is less than the energy change threshold, the adjusted requested supplemental power is increased at the second requested adjustment rate.
5. A method according to claim 3, characterized in that at least one current threshold value is preset and a current variation threshold value is set, said current threshold value being provided with a third requested adjustment rate corresponding to said current threshold value;
after said reducing said requested supplemental power at said first requested supplemental power adjustment rate to obtain said adjusted requested supplemental power, comprising:
acquiring current according to the regulated request supplemental power;
obtaining a current change rate according to the current;
in response to determining that the current is within the current threshold and the current change rate is less than the current change threshold, the regulated requested supplemental power is increased at the third requested regulation rate.
6. The method of claim 2, wherein adjusting the requested supplemental power for the current time period in accordance with the energy duty cycle and the energy ramp rate according to a predetermined adjustment rule results in an adjusted requested supplemental power, comprising:
Searching a first proportional control parameter P1, a first integral control parameter I1 and a first differential control parameter D1 in a first database according to the energy rising rate, and calculating according to the first proportional control parameter P1, the first integral control parameter I1 and the first differential control parameter D1 through a first control function to obtain first regulated required supplementary power, wherein the first database comprises the first proportional control parameter P1, the first integral control parameter I1 and the first differential control parameter D1 corresponding to different energy rising rates, and the first control function is expressed as:
first post-regulation request supplemental power = P1 delta t1+i1 +.DELTA.t1dt+D1 DELTA.t1/dt,
wherein Δt1 represents the difference between the actual energy and the energy replenishment allowance limit;
searching a second proportional control parameter P2, a second integral control parameter I2 and a second differential control parameter D2 from a second database according to the energy duty ratio, and calculating according to the second proportional control parameter P2, the second integral control parameter I2 and the second differential control parameter D2 through a second control function to obtain second adjusted request supplementary power, wherein the second database comprises the second proportional control parameter P2, the second integral control parameter I2 and the second differential control parameter D2 corresponding to different energy duty ratios, and the second control function is expressed as:
Second post-regulation request supplemental power = p2+i2 × jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj-j-jj-2,
wherein Δt2 represents the duty cycle of the actual energy and the energy replenishment allowance limit;
performing product processing on the first adjusted request supplemental power according to a preset first weight to obtain first power;
performing product processing on the second adjusted request supplemental power according to a preset second weight to obtain second power;
and summing the first power and the second power to obtain the regulated request complementary power.
7. A battery charge control method, characterized by comprising:
receiving a post-regulation request supplemental power obtained by the battery charge control method of any one of claims 1 to 6;
acquiring the voltage of the battery in the current period;
calculating the ratio of the regulated supplementary power to the voltage to obtain supplementary current;
and charging the battery according to the complementary current.
8. A battery charge control device, characterized by comprising:
the device comprises an acquisition module, a control module and a control module, wherein the acquisition module is configured to acquire the energy rising rate and the energy duty ratio of a battery in the period above the current period, and each period corresponds to a time range;
The query module is configured to query the request supplementary power of the current period from a database according to the battery state information of the current period, wherein the database stores the request supplementary power corresponding to various battery state information, and the battery state information is information of the charging state of the battery;
the adjusting module is configured to adjust the request supplementary power of the current period according to the energy duty ratio and the energy rising rate, obtain the adjusted request supplementary power, adjust the request supplementary power of the current period according to a preset adjusting rule according to the energy duty ratio and the energy rising rate, obtain the adjusted request supplementary power, and send the adjusted request supplementary power to a power supply device, so that the power supply device charges the battery according to the adjusted request supplementary power.
9. A battery charge control device, characterized by comprising:
a receiving module configured to receive the regulated request supplemental power obtained by the battery charge control method of any one of claims 1 to 6;
a voltage acquisition module configured to acquire a voltage of the battery in a current period;
The ratio calculation module is configured to calculate a ratio by using the regulated supplementary power and the voltage to obtain a supplementary current;
and a control module configured to charge the battery according to the supplemental current.
10. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method of any one of claims 1 to 7 when the program is executed by the processor.
11. A non-transitory computer readable storage medium storing computer instructions for causing a computer to perform the method of any one of claims 1 to 7.
12. A vehicle characterized by comprising the battery charge control device according to claim 8 or the battery charge control device according to claim 9 or the electronic apparatus according to claim 10 or the storage medium according to claim 11.
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