CN112688405A - Vehicle-mounted intelligent charging system for prolonging service life of storage battery and control method thereof - Google Patents
Vehicle-mounted intelligent charging system for prolonging service life of storage battery and control method thereof Download PDFInfo
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- CN112688405A CN112688405A CN202011572662.8A CN202011572662A CN112688405A CN 112688405 A CN112688405 A CN 112688405A CN 202011572662 A CN202011572662 A CN 202011572662A CN 112688405 A CN112688405 A CN 112688405A
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- storage battery
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using 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
- Y02T10/70—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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a vehicle-mounted intelligent charging system for prolonging the service life of a storage battery and a control method thereof, belonging to the technical field of automobile electronic and electrical control systems and comprising the following steps: the electric generator comprises a storage battery, a storage battery sensor, an engine control unit, a generator LIN regulator and a generator, wherein the storage battery is electrically connected with the storage battery sensor, the storage battery sensor is electrically connected with the engine control unit, the engine control unit is electrically connected with the generator LIN regulator, and the generator LIN regulator is electrically connected with the generator. The invention has simple operability, can realize the dynamic control of the charging voltage of the storage battery according to the requirement, improves the energy utilization rate of the power supply and prolongs the service life of the storage battery.
Description
Technical Field
The invention discloses a vehicle-mounted intelligent charging system for prolonging the service life of a storage battery and a control method thereof, and belongs to the technical field of automobile electronic and electrical control systems.
Background
With the development of automobile electronic and electrical technology, more and more advanced electronic and electrical equipment is applied to automobiles, so that the electrical load of the whole automobile is increased sharply, and heavy pressure is brought to a power supply network system of the whole automobile. The problem of service life of a storage battery is more and more prominent as one of main providers of automobile power supplies, the simple constant-voltage output mode wastes energy, the service life of the storage battery is reduced due to continuous overcharge, the voltage of a generator is limited due to simple energy recovery, and a large amount of after-sale electricity loss is caused due to the fact that a control method is not matched with the storage battery. The user has to replace the battery. In addition to direct economic losses to the host plant and the battery supplier, the public praise image is also compromised. It is a direct economic loss for vehicle users, and complaints and troubles with daily use of vehicles. The accumulator itself is not exerted with the proper performance, but is scrapped at the end of the service life. Therefore, a vehicle-mounted intelligent charging system capable of prolonging the service life of a storage battery and a control method thereof are provided. The system can control the charging voltage of the generator to be increased as required through LIN communication, and achieves the aims of periodically removing the vulcanization of the storage battery, maintaining a lasting health state and effectively prolonging the service life of the storage battery through a set control method.
Disclosure of Invention
The invention aims to solve the problem that the existing automobile can not monitor the health state of a storage battery in real time, and provides a vehicle-mounted intelligent charging system for prolonging the service life of the storage battery and a control method thereof.
The invention aims to solve the problems and is realized by the following technical scheme:
an on-vehicle intelligent charging system of extension battery life, includes: the electric generator comprises a storage battery, a storage battery sensor, an engine control unit, a generator LIN regulator and a generator, wherein the storage battery is electrically connected with the storage battery sensor, the storage battery sensor is electrically connected with the engine control unit, the engine control unit is electrically connected with the generator LIN regulator, and the generator LIN regulator is electrically connected with the generator.
A control method for a vehicle-mounted intelligent charging system capable of prolonging the service life of a storage battery comprises the following steps:
respectively acquiring monitoring data of the storage batteries through the storage battery sensors;
acquiring a vehicle state, and determining a storage battery state through the monitoring data;
generator output data is determined from the battery state and the vehicle state.
Preferably, the monitoring data includes: temperature, current, voltage, charge, battery health, and cure level.
Preferably, the battery state includes: available state of charge and state of cure of the battery.
Preferably, the vehicle state includes: vehicle operating state, vehicle operating timing cycle, and driver intent.
The invention has the beneficial effects that:
1. the invention has simple operability, can realize the dynamic control of the charging voltage of the storage battery according to the requirement, improves the energy utilization rate of the power supply and prolongs the service life of the storage battery.
2. The invention can charge the storage battery at high voltage in the process of rapid acceleration/deceleration of the automobile and maintain the health state of the storage battery;
3. the invention can prolong the service life of the storage battery to the maximum extent, improve the utilization rate of the storage battery, reduce the post-sale complaints caused by power shortage, prolong the service cycle of the storage battery and reduce the use cost of a user.
Drawings
FIG. 1 is a block diagram of a vehicle-mounted intelligent charging system for prolonging the service life of a storage battery.
Fig. 2 is a flowchart of a control method of the vehicle-mounted intelligent charging system for prolonging the service life of the storage battery.
Detailed Description
The invention is further illustrated below with reference to figures 1 and 2:
the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, a first embodiment of the present invention provides an onboard intelligent charging system for prolonging the service life of a storage battery based on the prior art, which includes: the electric vehicle comprises a storage battery, a storage battery sensor, an engine control unit, a generator LIN regulator and a generator, wherein the storage battery is electrically connected with the storage battery sensor, the storage battery sensor is electrically connected with the engine control unit through an LIN bus, the engine control unit is electrically connected with the generator LIN regulator through the LIN bus, and the generator LIN regulator is electrically connected with the generator. Through LIN master-slave node communication information interaction, specific control method execution aiming at specific working conditions and battery states is realized, and therefore the storage battery maintenance charging is realized.
The above has described an on-vehicle intelligent charging system for prolonging the service life of a storage battery, and a control method thereof will be described below, as shown in fig. 2, the control method includes:
respectively acquiring monitoring data of the storage battery through the storage battery sensor, wherein the monitoring data comprises: temperature, current, voltage, electrical quantity, battery health and cure level, and to the engine control unit in real time.
Acquiring a vehicle state, wherein the vehicle state comprises: vehicle operating conditions, vehicle operating timing cycles and driver intent, battery conditions determined by monitoring data, the battery conditions including: available state of charge and state of cure of the battery.
The generator output data is determined according to the state of the storage battery and the state of the vehicle, and the engine control unit 3 comprehensively judges and controls the generator LIN regulator 4 according to the state of the storage battery 1, the running state of the vehicle, the intention of a driver and other information, so that the output voltage of the generator 5 is increased or reduced. Through LIN master-slave node communication information interaction, the implementation of a specific strategy 6 aiming at specific working conditions and battery states is realized, and thus the maintainability charging of the storage battery is realized.
The specific control method is set as follows:
step 1, monitoring by an engine control unit, entering a maintenance charging mode when the driving cycle number is greater than a set number (such as 100) or the accumulated electrifying time of the engine control unit exceeds a set value (such as 100 hours), and increasing the voltage of a generator to the maximum allowable value of the current working condition to perform forced maintenance charging on a storage battery.
Step 2, when the battery sensor is charged in the step 1, detecting that the electric quantity SOC of the storage battery is continuously larger than a set value (such as 90% or 95%) and meets a set time (such as 1 hour) or the target voltage is larger than a set value (such as 15V) and is accumulated for 4 hours;
step 3, the set water temperature (such as 60 ℃) for activating the battery maintenance charging is met
Step 4, satisfy the voltage setting (e.g. 14.5V) for stopping the battery maintenance charging
Step 5, the set time (such as 1s) for acquiring the LIN communication signal of the storage battery by the storage battery sensor is met
Step 6, the delay time after the set start is checked (such as 5s) when the information of the storage battery acquired by the storage battery sensor is met
Step 7, the set value of the target voltage for the maintenance charging of the storage battery is satisfied (for example, 15V)
The method setting of the control is met, and the control logic is realized through system hardware, so that the final purpose of prolonging the service life of the storage battery is realized.
The following is provided in example 1 according to the above control method:
the storage battery sensor can monitor information such as temperature, current, voltage, residual electric quantity and the like of the automobile storage battery in real time, when the electric quantity of the storage battery is low, the engine control unit controls the generator LIN regulator to implement a control strategy, and the storage battery is adaptively charged by conventional 14V output voltage; when the residual electric quantity of the storage battery does not reach the target value after a certain time, the charging voltage is increased according to specific working conditions to carry out 14.8-15V health maintenance charging; and (4) defining 1 month or 2 months for maintenance boost charging according to the timing of the engine control unit and the requirement of a specific strategy. The automobile storage battery is in a reasonable electric quantity state for a long time, the starting reliability of the automobile is guaranteed, and the service life of the storage battery is prolonged.
Embodiment 2 is provided as follows according to the above control method:
the storage battery sensor can monitor the battery health state information of the automobile storage battery such as the residual electric quantity, the vulcanization state, the active substance loss state and the like in real time, and when the residual electric quantity of the storage battery is maintained to be low and the vulcanization state is high, the fact that the storage battery is vulcanized to a certain degree is indicated, and health maintenance charging is needed. The engine control unit controls the generator LIN regulator to implement a control strategy, and the charging voltage is increased according to specific working conditions to carry out 14.8-15V health maintenance charging; and timing according to an engine control unit, defining and reducing the vulcanization level to be a healthy state according to specific strategy requirements, or stopping performing maintainability boosting charging when the residual capacity reaches a maintenance target value. The automobile storage battery is in a reasonable electric quantity state for a long time, and the service life of the storage battery is prolonged.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the invention not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides an on-vehicle intelligent charging system of extension battery life which characterized in that includes: the electric generator comprises a storage battery, a storage battery sensor, an engine control unit, a generator LIN regulator and a generator, wherein the storage battery is electrically connected with the storage battery sensor, the storage battery sensor is electrically connected with the engine control unit, the engine control unit is electrically connected with the generator LIN regulator, and the generator LIN regulator is electrically connected with the generator.
2. A control method for a vehicle-mounted intelligent charging system capable of prolonging the service life of a storage battery is characterized by comprising the following steps:
respectively acquiring monitoring data of the storage batteries through the storage battery sensors;
acquiring a vehicle state, and determining a storage battery state through the monitoring data;
generator output data is determined from the battery state and the vehicle state.
3. The control method of the vehicle-mounted intelligent charging system for prolonging the service life of the storage battery according to claim 2, wherein the monitoring data comprises: temperature, current, voltage, charge, battery health, and cure level.
4. The vehicle-mounted intelligent charging system control method for prolonging service life of the storage battery according to claim 3, wherein the storage battery state comprises: available state of charge and state of cure of the battery.
5. The vehicle-mounted intelligent charging system control method for prolonging service life of the storage battery according to claim 4, wherein the vehicle state comprises: vehicle operating state, vehicle operating timing cycle, and driver intent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011572662.8A CN112688405A (en) | 2020-12-24 | 2020-12-24 | Vehicle-mounted intelligent charging system for prolonging service life of storage battery and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011572662.8A CN112688405A (en) | 2020-12-24 | 2020-12-24 | Vehicle-mounted intelligent charging system for prolonging service life of storage battery and control method thereof |
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| CN112688405A true CN112688405A (en) | 2021-04-20 |
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| CN202011572662.8A Pending CN112688405A (en) | 2020-12-24 | 2020-12-24 | Vehicle-mounted intelligent charging system for prolonging service life of storage battery and control method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113752897A (en) * | 2021-08-31 | 2021-12-07 | 一汽奔腾轿车有限公司 | Vehicle-mounted charging system for optimizing performance of storage battery and control method thereof |
| US11444338B1 (en) | 2021-11-30 | 2022-09-13 | Knoetik Solutions, Inc. | Smart battery system |
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2020
- 2020-12-24 CN CN202011572662.8A patent/CN112688405A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113752897A (en) * | 2021-08-31 | 2021-12-07 | 一汽奔腾轿车有限公司 | Vehicle-mounted charging system for optimizing performance of storage battery and control method thereof |
| US11444338B1 (en) | 2021-11-30 | 2022-09-13 | Knoetik Solutions, Inc. | Smart battery system |
| US11616259B1 (en) | 2021-11-30 | 2023-03-28 | Knoetik Solutions, Inc. | Smart battery system |
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