CN111030271A - Vehicle battery power supplementing system and method - Google Patents
Vehicle battery power supplementing system and method Download PDFInfo
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- CN111030271A CN111030271A CN201911416892.2A CN201911416892A CN111030271A CN 111030271 A CN111030271 A CN 111030271A CN 201911416892 A CN201911416892 A CN 201911416892A CN 111030271 A CN111030271 A CN 111030271A
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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
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
- H02J7/1469—Regulation of the charging current or voltage otherwise than by variation of field
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
In order to provide an intelligent power supplementing scheme with more energy conservation and environmental protection and prolong the service life of a vehicle battery, the invention provides a power supplementing system and a method of the vehicle battery. The power supplementing method of the vehicle battery is applied to a vehicle with a fan, and comprises the following steps: acquiring state information of a vehicle controller; judging the state of the vehicle controller according to the state information; if the vehicle controller is in a working state, the fan is controlled to rotate, and wind energy generated by rotation of the fan is converted into electric energy and stored; and if the state of the vehicle controller is a dormant state, the vehicle battery is supplemented with the electric energy converted from the wind energy. The invention converts the wind energy generated in the running process of the automobile into electric energy through the energy storage device, and intelligently supplements the low-voltage storage battery under the condition of the static dormancy of the whole automobile, thereby prolonging the service life of the battery of the automobile; the external environment resources are effectively utilized, wind energy is converted into electric energy for subsequent power supplement, and the wind energy-saving power supply is more energy-saving, efficient and environment-friendly.
Description
Technical Field
The invention relates to the field of vehicle power compensation, in particular to a power compensation system and method for a vehicle battery.
Background
With the development of the global automobile industry, the intelligent automobile will gradually replace the traditional automobile in the future, the whole automobile configuration intellectualization will replace various requirements of people in daily life, the whole automobile configuration is increased, the requirements on the original low-voltage storage battery are also improved, and the low-voltage storage battery is required to be more intelligent, more environment-friendly and more energy-saving.
With the increasing function configuration of the whole vehicle, the low-voltage storage battery is required to meet the low-voltage requirement of the whole vehicle for a long time on the basis of unchanged capacity, and the storage battery has longer service life and is more energy-saving. The low-voltage storage battery of the whole vehicle needs one set of system which can meet the requirement of an infinite energy storage and power supply system, ensures that each electric appliance of the whole vehicle operates normally, and improves the resource utilization rate.
Therefore, it is necessary to provide an intelligent power compensation scheme with better energy saving and environmental protection, so as to prolong the service life of the vehicle battery.
Disclosure of Invention
In order to provide an intelligent power supply scheme with more energy conservation and environmental protection and prolong the service life of a vehicle battery, the invention provides a power supply system and a method of the vehicle battery, and the invention is realized by the following technical scheme.
The invention provides a power supplementing method of a vehicle battery, which is applied to a vehicle with a fan and comprises the following steps:
acquiring state information of a vehicle controller;
judging the state of the vehicle controller according to the state information;
if the state of the vehicle controller is a working state, the fan is controlled to rotate, and wind energy generated by rotation of the fan is converted into electric energy and stored;
and if the state of the vehicle controller is a dormant state, replenishing the vehicle battery with the electric energy converted from the wind energy.
In the method for recharging a vehicle battery according to the present invention, the recharging of the vehicle battery with the electric energy converted from wind energy includes:
determining an initial state of charge of the vehicle battery when the vehicle controller enters the sleep state;
comparing the initial state of charge with a preset first threshold and a preset second threshold respectively, wherein the second threshold is larger than the first threshold;
and if the initial state of charge is larger than the first threshold value and not larger than the second threshold value, using the electric energy converted from wind energy and supplementing the vehicle battery through an electrical supplementing current.
In a further improvement of the method for recharging a vehicle battery according to the present invention, before recharging the vehicle battery with the recharging current using the electric energy converted from wind energy, the method further includes:
determining an initial state of health of the vehicle battery upon entering the sleep state;
and determining the current value of the electricity supplementing current according to the initial charge state and the initial health state.
In a further improvement of the method for replenishing a vehicle battery of the present invention, a current value of the replenishing current is less than or equal to 10A.
In a further improvement of the method for recharging a vehicle battery according to the present invention, the method further comprises, after recharging the vehicle battery with a recharging current using the electrical energy converted from wind energy:
determining a current state of charge of the vehicle battery;
comparing the current state of charge to the second threshold;
and if the current state of charge is larger than the second threshold value, stopping power supplement and returning to the step of acquiring the state information of the vehicle controller.
In addition, the invention also provides a vehicle battery power supply system which is used for executing the method and comprises a fan, an acquisition device, a judgment device, a control device and an energy storage device;
the acquiring device is used for being connected with a vehicle controller, the judging device is connected with the acquiring device, the control device is respectively connected with the fan and the judging device, the energy storage device is connected with the judging device, and the energy storage device is used for being connected with a vehicle battery;
the acquisition device is used for acquiring the state information of the vehicle controller;
the judging device is used for judging the state of the vehicle controller according to the state information;
the control device is used for controlling the fan to rotate when the state of the vehicle controller is a working state;
the energy storage device is used for converting wind energy generated by rotation of the fan into electric energy and storing the electric energy when the state of the vehicle controller is a working state, and the energy storage device is also used for supplementing electricity to the vehicle battery by using the electric energy converted from the wind energy when the state of the vehicle controller is a dormant state.
In a further improvement of the vehicle battery power supply system of the present invention, the energy storage device includes:
a determination module to determine an initial state of charge of the vehicle battery when the vehicle controller enters the sleep state;
the comparison module is used for comparing the initial charge state with a preset first threshold and a preset second threshold respectively, wherein the second threshold is larger than the first threshold;
a power supplement module including a power supplement unit for supplementing the vehicle battery with the electric energy converted from wind energy and by a power supplement current when the initial state of charge is greater than the first threshold and not greater than the second threshold.
In a further improvement of the vehicle battery power supply system of the present invention, the power supply module further includes:
a first determination unit configured to determine an initial state of health of the vehicle battery when entering the sleep state, when the initial state of charge is greater than the first threshold and not greater than the second threshold;
and the second determining unit is used for determining the current value of the electricity supplementing current according to the initial charge state and the initial health state before the electricity supplementing unit supplements electricity.
In a further improvement of the vehicle battery power supply system of the present invention, a current value of the power supply current is less than or equal to 10A.
In a further improvement of the vehicle battery power supply system of the present invention, the power supply module further includes a third determination unit and a comparison unit;
the third determining unit is used for determining the current state of charge of the vehicle battery after the power supplementing unit supplements power;
the comparison unit is used for comparing the current state of charge with the second threshold value;
the power supply module is further used for stopping power supply and triggering the acquisition device when the current state of charge is larger than the second threshold.
By adopting the technical scheme, the power supply system and the method for the vehicle battery have the following beneficial effects that:
(1) the invention converts the wind energy generated in the running process of the automobile into electric energy through the energy storage device, and intelligently supplements the low-voltage storage battery under the condition of the static dormancy of the whole automobile, thereby prolonging the service life of the battery of the automobile;
(2) in the running process of the whole vehicle, external environment resources are effectively utilized, wind energy is converted into electric energy for subsequent power supplement, and the vehicle is more energy-saving, efficient and environment-friendly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart of a method for replenishing a vehicle battery according to embodiment 1 of the present invention.
Fig. 2 is a connection block diagram of a vehicle battery power supply system, a vehicle-mounted controller, and a vehicle battery according to embodiment 2 of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In order to provide an intelligent power supplementing scheme with more energy conservation and environmental protection and prolong the service life of a vehicle battery, the invention provides a power supplementing system and a method of the vehicle battery.
Example 1:
referring to fig. 1, a method for supplementing power to a vehicle battery provided in the present invention is applied to a vehicle having a fan, and includes:
step S101: acquiring state information of a vehicle controller;
step S102: judging the state of the vehicle controller according to the state information;
step S103: if the vehicle controller is in a working state, the fan is controlled to rotate, and wind energy generated by rotation of the fan is converted into electric energy and stored;
step S104: and if the state of the vehicle controller is a dormant state, the vehicle battery is supplemented with the electric energy converted from the wind energy.
When the vehicle controller is in a working state, the fan rotates to dissipate heat, and at the moment, the electric energy is converted into wind energy; the embodiment 1 can convert wind energy into electric energy and temporarily store the electric energy; when the vehicle controller is in a dormant state, the temporarily stored electric energy is transmitted to the vehicle battery, so that the electric energy converted from wind energy can be used for supplementing the vehicle battery for maintenance, energy conservation and environmental protection can be realized by effectively utilizing the wind energy, the waste of fan driving electric energy is avoided, the vehicle battery can be timely supplemented, and the service life of the battery is prolonged; in addition, in embodiment 1, when the state of the vehicle controller is the operating state, the electric energy is always converted and collected, and when the state of the vehicle controller is the sleep state, the power can be supplemented more stably, and the phenomenon that the power cannot be supplemented due to insufficient electric energy does not occur.
Further, step S104 includes: determining an initial state of charge of a vehicle battery when a vehicle controller enters a sleep state; respectively comparing the initial state of charge with a preset first threshold and a preset second threshold, wherein the second threshold is larger than the first threshold; and if the initial state of charge is larger than the first threshold value and not larger than the second threshold value, the vehicle battery is supplemented with the electric energy converted from the wind energy through the electricity supplementing current. In embodiment 1, it is also possible to determine whether to perform power compensation according to the starting capability of the vehicle battery. And if the initial state of charge is larger than the second threshold, no power supplement is carried out, and the step of acquiring the state information of the vehicle controller is returned to.
Further, before the vehicle battery is supplied with electricity by the electricity supply current using the electric energy converted from the wind energy, the method further comprises: determining an initial state of health of a vehicle battery upon entering a sleep state; and determining the current value of the electricity supplementing current according to the initial charge state and the initial health state. In the embodiment 1, the current value of the make-up current can be adjusted according to the state of charge and the state of health, so that the make-up current is better adapted to the actual situation of the vehicle battery.
Further, the current value of the current compensation current is less than or equal to 10A. The vehicle battery is compensated by using a low-current power compensation mode in the embodiment 1, the power compensation effect is better, and the service life of the vehicle battery can be effectively prolonged.
Further, the method for transferring the electric energy converted from the wind energy to the vehicle battery further comprises the following steps: determining a current state of charge of a vehicle battery; comparing the current state of charge to a second threshold; and if the current state of charge is larger than the second threshold value, stopping power supplement and returning to the step of acquiring the state information of the vehicle controller. In this embodiment 1, in the power supplement process, the current state of charge of the vehicle battery may be monitored in real time, power supplement is stopped when the current state of charge is greater than the second threshold, the step of obtaining the state information of the vehicle controller is executed, the power supplement mode is exited, and the next cycle is entered. The current charge state can also be acquired every other preset time in the power supplementing process.
In this embodiment 1, the first threshold and the second threshold may be set or changed according to actual situations; the vehicle battery is a low-voltage storage battery which is used for supplying power to the electric appliance for the whole vehicle before starting and meeting the electric quantity requirement for starting the whole vehicle; the fan may be an on-board fan for dissipating heat.
Example 2:
referring to fig. 2, embodiment 2 provides a vehicle battery power supply system 100 for implementing the above vehicle battery power supply method, where the power supply system 100 includes a fan 40, an obtaining device 10, a determining device 20, a control device 30, and an energy storage device 50; the acquiring device 10 is used for being connected with a vehicle controller 60, the judging device 20 is connected with the acquiring device 10, the control device 30 is respectively connected with the fan 40 and the judging device 20, the energy storage device 50 is connected with the judging device 20, and the energy storage device 50 is used for being connected with a vehicle battery 70; the acquisition means 10 is for acquiring status information of the vehicle controller 60; the judgment means 20 is for judging the state of the vehicle controller 60 based on the state information; control device 30 is configured to control fan 40 to rotate when the state of vehicle controller 60 is an operating state; the energy storage device 50 is configured to convert wind energy generated by rotation of the fan 40 into electric energy and store the electric energy when the state of the vehicle controller 60 is an operating state, and the energy storage device 50 is further configured to supplement power to the vehicle battery 70 using the electric energy converted from the wind energy when the state of the vehicle controller 60 is a sleep state.
In embodiment 2, the fan 40 may be an on-board fan, the energy storage device 50 has both functions of energy conversion and temporary energy storage, the vehicle battery 70 may be a low-voltage battery, and the determination device 20 may be a driving circuit of the fan 40. The energy storage device 50 is installed at the fan 40 to collect wind energy generated by the rotation of the fan 40.
Further, the energy storage device 50 includes: a determination module for determining an initial state of charge of the vehicle battery 70 when the vehicle controller 60 enters a sleep state; the comparison module is used for comparing the initial charge state with a preset first threshold and a preset second threshold respectively, and the second threshold is larger than the first threshold; the power supply module includes a power supply unit for supplying power to the vehicle battery 70 by using the electric energy converted from the wind energy and by a power supply current when the initial state of charge is greater than the first threshold and not greater than the second threshold.
Still further, the power-supply module further includes: a first determination unit configured to determine an initial state of health of the vehicle battery 70 at the time of entering the sleep state, when the initial state of charge is greater than a first threshold value and not greater than a second threshold value; and the second determining unit is used for determining the current value of the electricity supplementing current according to the initial charge state and the initial health state before the electricity supplementing unit supplements electricity.
Further, the current value of the current compensation current is less than or equal to 10A.
Still further, the power supply module further includes a third determination unit and a comparison unit; the third determining unit is used for determining the current state of charge of the vehicle battery 70 after the power supplementing unit supplements power; the comparison unit is used for comparing the current state of charge with a second threshold value; the power supply module is further configured to stop power supply and trigger the obtaining device 10 when the current state of charge is greater than a second threshold.
In this embodiment 2, an initial state of charge and a current state of charge may be monitored or determined using a smart battery sensor (IBS).
The intelligent battery sensor is used for monitoring the state of charge of the storage battery; the intelligent battery sensor monitors the charge state, the starting capability and the health state of the storage battery in real time and transmits data back to the energy storage device; after the whole vehicle is stood and the controller is dormant, the energy storage device intelligently supplements electricity for the storage battery according to the charge state of the low-voltage storage battery uploaded by the intelligent battery sensor. And when the set charge value is reached, the charging mode is exited.
The invention converts wind energy generated in the running process of the automobile into electric energy through the energy storage device, and intelligently supplements electricity for the low-voltage storage battery under the condition of the static dormancy of the whole automobile. The wind energy is converted into the electric energy by effectively utilizing external environment resources in the running process of the whole vehicle.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A power supplementing method of a vehicle battery is applied to a vehicle with a fan, and is characterized by comprising the following steps:
acquiring state information of a vehicle controller;
judging the state of the vehicle controller according to the state information;
if the state of the vehicle controller is a working state, the fan is controlled to rotate, and wind energy generated by rotation of the fan is converted into electric energy and stored;
and if the state of the vehicle controller is a dormant state, replenishing the vehicle battery with the electric energy converted from the wind energy.
2. The vehicle battery replenishing method according to claim 1, wherein the replenishing the vehicle battery with the electric energy converted from wind energy comprises:
determining an initial state of charge of the vehicle battery when the vehicle controller enters the sleep state;
comparing the initial state of charge with a preset first threshold and a preset second threshold respectively, wherein the second threshold is larger than the first threshold;
and if the initial state of charge is larger than the first threshold value and not larger than the second threshold value, using the electric energy converted from wind energy and supplementing the vehicle battery through an electrical supplementing current.
3. The vehicle battery replenishing method according to claim 2, wherein before the replenishing the vehicle battery with the electric energy converted from wind energy by the replenishing current, further comprising:
determining an initial state of health of the vehicle battery upon entering the sleep state;
and determining the current value of the electricity supplementing current according to the initial charge state and the initial health state.
4. The vehicle battery replenishing method according to claim 3, wherein a current value of the replenishing current is less than or equal to 10A.
5. The vehicle battery replenishing method according to claim 2, further comprising, after the replenishing the vehicle battery with the electric energy converted from wind energy by the replenishing current:
determining a current state of charge of the vehicle battery;
comparing the current state of charge to the second threshold;
and if the current state of charge is larger than the second threshold value, stopping power supplement and returning to the step of acquiring the state information of the vehicle controller.
6. An electricity charging system for a vehicle battery for carrying out the method according to any one of claims 1 to 5, characterized in that the electricity charging system comprises a fan, an acquisition device, a judgment device, a control device and an energy storage device;
the acquiring device is used for being connected with a vehicle controller, the judging device is connected with the acquiring device, the control device is respectively connected with the fan and the judging device, the energy storage device is connected with the judging device, and the energy storage device is used for being connected with a vehicle battery;
the acquisition device is used for acquiring the state information of the vehicle controller;
the judging device is used for judging the state of the vehicle controller according to the state information;
the control device is used for controlling the fan to rotate when the state of the vehicle controller is a working state;
the energy storage device is used for converting wind energy generated by rotation of the fan into electric energy and storing the electric energy when the state of the vehicle controller is a working state, and the energy storage device is also used for supplementing electricity to the vehicle battery by using the electric energy converted from the wind energy when the state of the vehicle controller is a dormant state.
7. The vehicle battery charging system according to claim 6, wherein the energy storage device includes:
a determination module to determine an initial state of charge of the vehicle battery when the vehicle controller enters the sleep state;
the comparison module is used for comparing the initial charge state with a preset first threshold and a preset second threshold respectively, wherein the second threshold is larger than the first threshold;
a power supplement module including a power supplement unit for supplementing the vehicle battery with the electric energy converted from wind energy and by a power supplement current when the initial state of charge is greater than the first threshold and not greater than the second threshold.
8. The vehicle battery charging system according to claim 7, wherein the charging module further comprises:
a first determination unit configured to determine an initial state of health of the vehicle battery when entering the sleep state, when the initial state of charge is greater than the first threshold and not greater than the second threshold;
and the second determining unit is used for determining the current value of the electricity supplementing current according to the initial charge state and the initial health state before the electricity supplementing unit supplements electricity.
9. The vehicle battery charging system according to claim 8, wherein a current value of the charging current is less than or equal to 10A.
10. The power supplement system for a vehicle battery according to claim 7, wherein the power supplement module further includes a third determination unit and a comparison unit;
the third determining unit is used for determining the current state of charge of the vehicle battery after the power supplementing unit supplements power;
the comparison unit is used for comparing the current state of charge with the second threshold value;
the power supply module is further used for stopping power supply and triggering the acquisition device when the current state of charge is larger than the second threshold.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911416892.2A CN111030271A (en) | 2019-12-31 | 2019-12-31 | Vehicle battery power supplementing system and method |
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| CN201911416892.2A CN111030271A (en) | 2019-12-31 | 2019-12-31 | Vehicle battery power supplementing system and method |
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| CN107719134A (en) * | 2017-09-28 | 2018-02-23 | 北京新能源汽车股份有限公司 | Wind power generation method, device and system for electric vehicle |
| CN107985090A (en) * | 2017-11-02 | 2018-05-04 | 国机智骏（北京）汽车科技有限公司 | Charging method, device, battery management system and the electric automobile of power battery |
| CN108177532A (en) * | 2018-01-08 | 2018-06-19 | 任金良 | wind energy pure electric automobile |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090002921U (en) * | 2007-09-19 | 2009-03-24 | 이종림 | Wind generator car |
| CN107719134A (en) * | 2017-09-28 | 2018-02-23 | 北京新能源汽车股份有限公司 | Wind power generation method, device and system for electric vehicle |
| CN107985090A (en) * | 2017-11-02 | 2018-05-04 | 国机智骏（北京）汽车科技有限公司 | Charging method, device, battery management system and the electric automobile of power battery |
| CN108177532A (en) * | 2018-01-08 | 2018-06-19 | 任金良 | wind energy pure electric automobile |
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Application publication date: 20200417 |