CN111845449A - Storage battery charging method, control device and electric automobile - Google Patents
Storage battery charging method, control device and electric automobile Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000012512 characterization method Methods 0.000 claims abstract description 20
- 230000003068 static effect Effects 0.000 claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims abstract description 9
- 238000004590 computer program Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 description 11
- 230000007958 sleep Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005059 dormancy Effects 0.000 description 1
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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]
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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
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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
- B60L58/16—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to battery ageing, e.g. to the number of charging cycles or the state of health [SoH]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a storage battery charging method, a control device and an electric automobile, wherein the storage battery charging method comprises the following steps: monitoring the current state of health (SOH) and the current residual capacity (SOC) of the storage battery when the electric automobile is in a static working condition; if the characteristic parameter value of the current SOH is larger than or equal to a first preset parameter value and smaller than a second preset parameter value, charging the storage battery when the current SOC is smaller than or equal to a first preset residual electric quantity value; if the characterization parameter value of the current SOH is larger than or equal to the second preset parameter value, charging the storage battery when the current SOC is smaller than or equal to a second preset residual electric quantity value; wherein the second preset residual electric quantity value is different from the first preset residual electric quantity value. The embodiment of the invention solves the problems that when the health state of the storage battery is poor, the set threshold value of charging end cannot be reached for a long time and the whole vehicle consumes power for a long time.
Description
Technical Field
The invention relates to the technical field of vehicle storage battery charging, in particular to a storage battery charging method, a control device and an electric automobile.
Background
With the development of electric automobile technology, the automobile configuration is more and more, which leads to the increase of the static power consumption of the whole automobile. Therefore, the power shortage risk of the storage battery under the static working condition of the whole vehicle is highlighted. In order to solve the problem, some electric automobile manufacturers successively propose that under the working condition of OFF or dormancy of the whole automobile, when the residual electric quantity of the storage battery is low, the whole automobile can be awakened, and the storage battery is charged according to a certain set threshold value for starting and ending the residual electric quantity of the storage battery. The method solves the power shortage risk of the storage battery under the static working condition to a certain extent, but has the following problems: the method ignores the problem of the health state of the storage battery, and when the health state of the storage battery is poor, the storage battery determines that the storage battery cannot be charged to the set finishing threshold, so that the problem that the storage battery cannot be charged to the set finishing threshold for a long time under a static working condition but the whole vehicle consumes power all the time is caused.
Disclosure of Invention
In order to solve the technical problems, the invention provides a storage battery charging method, a control device and an electric automobile, and solves the problem that the long-time power consumption of the whole automobile cannot reach a set threshold value for finishing charging for a long time when the health state of a storage battery is poor.
According to an aspect of the present invention, there is provided a battery charging method applied to an electric vehicle, including:
monitoring the current State of health (SOH) and the current remaining capacity (SOC) of the storage battery when the electric automobile is in a static working condition;
charging the storage battery according to the current SOH and the current SOC;
wherein said charging the battery according to the current SOH and the current SOC comprises:
if the characteristic parameter value of the current SOH is larger than or equal to a first preset parameter value and smaller than a second preset parameter value, charging the storage battery when the current SOC is smaller than or equal to a first preset residual electric quantity value;
if the characterization parameter value of the current SOH is larger than or equal to the second preset parameter value, charging the storage battery when the current SOC is smaller than or equal to a second preset residual electric quantity value;
wherein the second preset residual electric quantity value is different from the first preset residual electric quantity value.
Optionally, when the current SOC is less than or equal to a first preset remaining charge value, the charging the storage battery includes:
And starting charging when the current SOC is less than or equal to a first preset residual electric quantity value, and stopping charging when the SOC is equal to a third preset residual electric quantity value, wherein the third preset residual electric quantity value is greater than the first preset residual electric quantity value.
Optionally, when the current SOC is less than or equal to a second preset remaining power value, charging the storage battery includes:
and starting charging when the current SOC is less than or equal to a second preset residual electric quantity value, and stopping charging when the SOC is equal to a fourth preset residual electric quantity value, wherein the fourth preset residual electric quantity value is greater than the second preset residual electric quantity value.
Optionally, the characterization parameter value of the current SOH and the value of the current SOC are percentage values;
the second preset residual electric quantity value is a difference value between a representation parameter value of the current SOH and a third preset parameter value;
the fourth preset residual electric quantity value is a difference value between a representation parameter value of the current SOH and a fourth preset parameter value;
and the third preset parameter value and the fourth preset parameter value are percentage values.
According to another aspect of the present invention, there is provided a storage battery charge control apparatus including:
The monitoring module is used for monitoring the current SOH and the current SOC of the storage battery when the electric automobile is in a static working condition;
the charging module is used for charging the storage battery according to the current SOH and the current SOC;
wherein, the module of charging includes:
the first charging unit is used for charging the storage battery when the representation parameter value of the current SOH is greater than or equal to a first preset parameter value, is less than a second preset parameter value, and the SOC is less than or equal to a first preset residual electric quantity value;
the second charging unit is used for charging the storage battery when the characterization parameter value of the current SOH is greater than or equal to the second preset parameter value and the SOC is less than or equal to a second preset residual electric quantity value;
wherein the second preset residual electric quantity value is different from the first preset residual electric quantity value.
Optionally, the first charging unit includes:
the first charging subunit is configured to start charging the storage battery when the current SOC is less than or equal to a first preset remaining power amount value, and stop charging the storage battery when the SOC is equal to a third preset remaining power amount, where the third preset remaining power amount value is greater than the first preset remaining power amount value.
Optionally, the second charging unit includes:
and the second charging subunit is used for starting charging the storage battery when the current SOC is less than or equal to a second preset residual electric quantity value, and stopping charging the storage battery when the SOC is equal to a fourth preset residual electric quantity value, wherein the fourth preset residual electric quantity value is greater than the second preset residual electric quantity value.
Optionally, the characterization parameter value of the current SOH and the value of the current SOC are percentage values;
the second preset residual electric quantity value is a difference value between a representation parameter value of the current SOH and a third preset parameter value;
the fourth preset residual electric quantity value is a difference value between a representation parameter value of the current SOH and a fourth preset parameter value;
and the third preset parameter value and the fourth preset parameter value are percentage values.
According to another aspect of the present invention, there is provided a charge control device comprising a processor, a memory and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the battery charging method.
According to another aspect of the invention, an electric vehicle is provided, which comprises the battery charging control device.
The embodiment of the invention has the beneficial effects that:
the invention provides a storage battery charging method, a control device and an electric automobile. The storage battery charging method is used for charging the storage battery in a segmented mode by combining the current SOC based on the health state of the storage battery. In this embodiment, different charging stage thresholds are set based on different health states of the storage battery, when the SOC of the storage battery is smaller than the charging start threshold in the current health state, the storage battery detection unit wakes up the vehicle controller to charge the storage battery, and when the storage battery is charged until the SOC of the storage battery is equal to the charging stop threshold in the current health state, the charging is stopped, and the vehicle is controlled to continue to enter the sleep state. The embodiment solves the problem that the whole automobile is in the awakening state for a long time and consumes electricity because the storage battery is charged when the health state of the storage battery is poor under the static working condition of the electric automobile and the charging end threshold value cannot be reached for a long time.
Drawings
FIG. 1 shows one of the flow charts of a battery charging method according to an embodiment of the invention;
FIG. 2 shows a second flowchart of a battery charging method according to an embodiment of the present invention;
fig. 3 is a block diagram showing a configuration of a battery charge control device according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The embodiment of the invention provides a storage battery charging method which is applied to an electric automobile. As shown in fig. 1, the battery charging method includes:
and 12, charging the storage battery according to the current SOH and the current SOC.
In this embodiment, the storage battery is a storage battery which supplies power to a 12V power supply in a low-voltage power supply system of an electric vehicle.
In this embodiment, the electric vehicle is equipped with a storage battery detection unit, the storage battery detection unit is configured to detect a current SOH and a current SOC of the storage battery, and when the current SOH and the current SOC of the storage battery meet a preset condition, the storage battery detection unit wakes up the vehicle control unit, and the vehicle control unit further controls the battery management system to charge the storage battery in a segmented manner through a high-voltage power supply system (which may be a power battery) of the electric vehicle, wherein a charging stage of the storage battery is determined by the SOH.
In this embodiment, the static operating conditions include a complete vehicle OFF operating condition and a complete vehicle sleep operating condition. When the electric automobile is in the static working condition, the storage battery detection unit monitors the current SOH and the current SOC of the storage battery, and when the current SOH and the current SOC accord with the preset condition, the storage battery is charged in a segmented mode.
As shown in fig. 2, step 12 includes:
and 121, if the characteristic parameter value of the current SOH is greater than or equal to a first preset parameter value and less than a second preset parameter value, charging the storage battery when the current SOC is less than or equal to a first preset residual electric quantity value.
In this embodiment, the characterization parameter value of the current SOH is obtained by the storage battery detection unit and is a percentage value of 0% to 100%. The different characterization parameters represent different health states of the storage battery, if the characterization parameter value of the current SOH is smaller than a first preset parameter value, the storage battery is considered to be damaged, if the characterization parameter value of the current SOH is larger than or equal to the first preset parameter value and smaller than a second preset parameter value, the health state of the storage battery is poor, and if the characterization parameter value of the current SOH is larger than or equal to the second preset parameter value, the health state of the storage battery is good. Wherein the first preset parameter value may be 40% and the second preset parameter value may be 45%.
In this embodiment, if the battery is considered to be damaged, the battery detection unit wakes up the vehicle control unit, and the vehicle control unit controls the instrument display of the electric vehicle to prompt the driver to replace the battery, for example, the instrument display displays "please replace the battery".
Specifically, when the current SOC is less than or equal to a first preset remaining power value, the charging the storage battery includes:
and starting charging when the current SOC is less than or equal to a first preset residual electric quantity value, and stopping charging when the SOC is equal to a third preset residual electric quantity value, wherein the third preset residual electric quantity value is greater than the first preset residual electric quantity value.
In this embodiment, if the state of health of the storage battery is poor and the current SOC is less than or equal to a first preset remaining power value, the storage battery detection unit wakes up the vehicle controller, and the vehicle controller controls the battery management system to charge the storage battery. And starting charging when the current SOC is less than or equal to a first preset residual electric quantity value, and stopping charging when the SOC is equal to a third preset residual electric quantity value. That is, when the state of health of the battery is poor, the SOC of the battery is between the first preset residual electric quantity value and the third preset residual electric quantity value in the charging stage of the battery. The first preset residual electric quantity value may be 20%, the third preset residual electric quantity value is 35%, and when the health state of the storage battery is poor, the SOC of the storage battery is 20% to 35%, that is, the charging start threshold value is 20%, and the charging stop threshold value is 35%.
wherein the second preset residual electric quantity value is different from the first preset residual electric quantity value.
Specifically, when the current SOC is less than or equal to a second preset remaining power value, charging the storage battery includes:
and starting charging when the current SOC is less than or equal to a second preset residual electric quantity value, and stopping charging when the SOC is equal to a fourth preset residual electric quantity value, wherein the fourth preset residual electric quantity value is greater than the second preset residual electric quantity value.
In this embodiment, if the state of health of the storage battery is good and the current SOC is less than or equal to the second preset remaining power value, the storage battery detection unit wakes up the vehicle controller, and the vehicle controller controls the battery management system to charge the storage battery. And starting charging when the current SOC is less than or equal to a second preset residual electric quantity value, and stopping charging when the SOC is equal to a fourth preset residual electric quantity value. That is, when the state of health of the battery is good, the SOC of the battery is between the second preset remaining capacity value and the fourth preset remaining capacity value.
Specifically, the characterization parameter value of the current SOH and the value of the current SOC are percentage values; the second preset residual electric quantity value is a difference value between a representation parameter value of the current SOH and a third preset parameter value; the fourth preset residual electric quantity value is a difference value between a representation parameter value of the current SOH and a fourth preset parameter value; and the third preset parameter value and the fourth preset parameter value are percentage values.
In this embodiment, the second preset residual electric quantity value and the third preset residual electric quantity value are related to a value of a characteristic parameter of the current SOH of the storage battery. Specifically, the second preset residual electric quantity value is a difference value between a characterization parameter value of the current SOH and a third preset parameter value; and the fourth preset residual electric quantity value is the difference value between the characterization parameter value of the current SOH and a fourth preset parameter value. Wherein, the third preset parameter may be 25%, the fourth preset parameter may be 8%, and when the state of health of the storage battery is good, the charging stage of the storage battery is SOC (characteristic parameter value-25% of current SOH) to (characteristic parameter value-8% of current SOH), that is, the charging start threshold is: the characterization parameter value of the current SOH is-25%, and the charge stop threshold is: the value of the characterizing parameter for the current SOH is-8%.
According to the method for charging the storage battery, the storage battery is charged in a segmented manner by combining the current SOC based on the state of health of the storage battery. In this embodiment, different charging stage thresholds are set based on different health states of the storage battery, when the SOC of the storage battery is smaller than the charging start threshold in the current health state, the storage battery detection unit wakes up the vehicle controller to charge the storage battery, and when the SOC of the storage battery is equal to the charging stop threshold in the current health state, the storage battery stops charging, and the vehicle is controlled to continue to enter the sleep state.
The storage battery charging method provided by the embodiment can effectively avoid the problem that the storage battery is charged under the static working condition when the health state of the storage battery is poor, and the charging end threshold value cannot be reached for a long time, so that the whole vehicle is in the awakening state for a long time and consumes power.
An embodiment of the present invention further provides a storage battery charging control apparatus, as shown in fig. 3, including:
the monitoring module 31 is configured to monitor a current state of health SOH and a current remaining power SOC of the storage battery when the electric vehicle is in a static working condition;
And the charging module 32 is configured to charge the storage battery according to the current SOH and the current SOC.
As shown in fig. 3, the charging module 32 includes:
a first charging unit 321, configured to charge the storage battery when a characterization parameter value of the current SOH is greater than or equal to a first preset parameter value, is less than a second preset parameter value, and the SOC is less than or equal to a first preset remaining electric quantity value;
a second charging unit 322, configured to charge the storage battery when the characterization parameter value of the current SOH is greater than or equal to the second preset parameter value, and the SOC is less than or equal to a second preset remaining electric quantity value;
wherein the second preset residual electric quantity value is different from the first preset residual electric quantity value.
Specifically, the first charging unit 321 includes:
the first charging subunit is configured to start charging the storage battery when the current SOC is less than or equal to a first preset remaining power amount value, and stop charging the storage battery when the SOC is equal to a third preset remaining power amount, where the third preset remaining power amount is greater than the first preset remaining power amount value.
Specifically, the second charging unit 322 includes:
And the second charging subunit is used for starting charging the storage battery when the current SOC is less than or equal to a second preset residual electric quantity value, and stopping charging the storage battery when the SOC is equal to a fourth preset residual electric quantity value, wherein the fourth preset residual electric quantity value is greater than the second preset residual electric quantity value.
Preferably, the characterization parameter value of the current SOH and the value of the current SOC are percentage values;
the second preset residual electric quantity value is a difference value between a representation parameter value of the current SOH and a first preset parameter value;
the fourth preset residual electric quantity value is a difference value between a representation parameter value of the current SOH and a second preset parameter value;
and the first preset parameter value and the second preset parameter value are percentage values.
The storage battery charging control device provided by this embodiment performs the step charging on the storage battery in combination with the current SOC based on the state of health of the storage battery. In this embodiment, different charging stage thresholds are set based on different health states of the storage battery, when the SOC of the storage battery is smaller than the charging start threshold in the current health state, the storage battery detection unit wakes up the vehicle controller to charge the storage battery, and when the storage battery is charged until the SOC of the storage battery is equal to the charging stop threshold in the current health state, the charging is stopped, and the vehicle is controlled to continue to enter the sleep state. This embodiment can effectively avoid electric automobile under static operating mode, when the battery health status is relatively poor, right the battery charges, can not reach the end threshold value of charging for a long time to make whole car be in awakening state and power consumptive problem for a long time.
The storage battery charging control device is a device corresponding to the storage battery charging method, and all implementation manners in the method embodiment are applicable to the embodiment of the device, so that the same technical effects can be achieved.
An embodiment of the present invention further provides a charging control apparatus, including a processor, a memory, and a computer program stored on the memory and executable on the processor, wherein the computer program, when executed by the processor, implements the battery charging method. The implementation embodiments of the storage battery charging control method are all applicable to the embodiment of the charging control device, and the same technical effects can be achieved.
The embodiment of the invention also provides an electric automobile which comprises the storage battery charging control device. The implementation embodiments of the storage battery charging control device are all applicable to the embodiment of the electric vehicle, and the same technical effects can be achieved.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims.
Claims (10)
1. A storage battery charging method is applied to an electric automobile and is characterized by comprising the following steps:
monitoring the current state of health (SOH) and the current residual capacity (SOC) of the storage battery when the electric automobile is in a static working condition;
charging the storage battery according to the current SOH and the current SOC;
wherein said charging the battery according to the current SOH and the current SOC comprises:
if the characteristic parameter value of the current SOH is larger than or equal to a first preset parameter value and smaller than a second preset parameter value, charging the storage battery when the current SOC is smaller than or equal to a first preset residual electric quantity value;
if the characterization parameter value of the current SOH is larger than or equal to the second preset parameter value, charging the storage battery when the current SOC is smaller than or equal to a second preset residual electric quantity value;
wherein the second preset residual electric quantity value is different from the first preset residual electric quantity value.
2. The battery charging method according to claim 1, wherein said charging the battery when the current SOC is less than or equal to a first preset remaining charge value comprises:
And starting charging when the current SOC is less than or equal to a first preset residual electric quantity value, and stopping charging when the SOC is equal to a third preset residual electric quantity value, wherein the third preset residual electric quantity value is greater than the first preset residual electric quantity value.
3. The battery charging method according to claim 1, wherein said charging the battery when the current SOC is less than or equal to a second preset remaining charge value comprises:
and starting charging when the current SOC is less than or equal to a second preset residual electric quantity value, and stopping charging when the SOC is equal to a fourth preset residual electric quantity value, wherein the fourth preset residual electric quantity value is greater than the second preset residual electric quantity value.
4. The battery charging method according to claim 3,
the characterization parameter value of the current SOH and the value of the current SOC are percentage values;
the second preset residual electric quantity value is a difference value between a representation parameter value of the current SOH and a third preset parameter value;
the fourth preset residual electric quantity value is a difference value between a representation parameter value of the current SOH and a fourth preset parameter value;
and the third preset parameter value and the fourth preset parameter value are percentage values.
5. A battery charge control device, comprising:
the monitoring module is used for monitoring the current SOH and the current SOC of the storage battery when the electric automobile is in a static working condition;
the charging module is used for charging the storage battery according to the current SOH and the current SOC;
wherein, the module of charging includes:
the first charging unit is used for charging the storage battery when the representation parameter value of the current SOH is greater than or equal to a first preset parameter value and less than a second preset parameter value, and the SOC is less than or equal to a first preset residual electric quantity value;
the second charging unit is used for charging the storage battery when the representation parameter value of the current SOH is larger than or equal to the second preset parameter value and the SOC is smaller than or equal to the second preset residual electric quantity value;
wherein the second preset residual electric quantity value is different from the first preset residual electric quantity value.
6. The battery charge control apparatus according to claim 5, wherein the first charging unit includes:
the first charging subunit is configured to start charging the storage battery when the current SOC is less than or equal to a first preset remaining power value, and stop charging the storage battery when the SOC is equal to a third preset remaining power value, where the third preset remaining power value is greater than the first preset remaining power value.
7. The battery charge control apparatus according to claim 5, wherein the second charging unit includes:
and the second charging subunit is used for starting charging the storage battery when the current SOC is less than or equal to a second preset residual electric quantity value, and stopping charging the storage battery when the SOC is equal to a fourth preset residual electric quantity value, wherein the fourth preset residual electric quantity value is greater than the second preset residual electric quantity value.
8. The battery charge control apparatus according to claim 7,
the characterization parameter value of the current SOH and the value of the current SOC are percentage values;
the second preset residual electric quantity value is a difference value between a representation parameter value of the current SOH and a third preset parameter value;
the fourth preset residual electric quantity value is a difference value between a representation parameter value of the current SOH and a fourth preset parameter value;
and the third preset parameter value and the fourth preset parameter value are percentage values.
9. A charging control apparatus comprising a processor, a memory and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing a battery charging method as claimed in any one of claims 1 to 4.
10. An electric vehicle comprising the battery charge control device according to any one of claims 5 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910333261.8A CN111845449A (en) | 2019-04-24 | 2019-04-24 | Storage battery charging method, control device and electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910333261.8A CN111845449A (en) | 2019-04-24 | 2019-04-24 | Storage battery charging method, control device and electric automobile |
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| CN111845449A true CN111845449A (en) | 2020-10-30 |
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| CN201910333261.8A Pending CN111845449A (en) | 2019-04-24 | 2019-04-24 | Storage battery charging method, control device and electric automobile |
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