CN203780331U - Electric vehicle start acceleration control system - Google Patents
Electric vehicle start acceleration control system Download PDFInfo
- Publication number
- CN203780331U CN203780331U CN201420168299.7U CN201420168299U CN203780331U CN 203780331 U CN203780331 U CN 203780331U CN 201420168299 U CN201420168299 U CN 201420168299U CN 203780331 U CN203780331 U CN 203780331U
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- Prior art keywords
- switch
- power
- super capacitor
- starting
- 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
- 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
- Y02T10/72—Electric energy management in electromobility
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model belongs to the technical field of electric vehicles, and provides an electric vehicle start acceleration control system which comprises a start acceleration identification module, a power battery, a super capacitor, a charger, an electric switch, a charging switch and a motor, the super capacitor is connected with the power switch, the charging switch is connected with the power battery, one end of a charger is connected with the charging switch, the other end of the charger is connected between the power switch and the super capacitor, and the start acceleration identification module is respectively connected with the power switch and a power supply switch. The electric vehicle start acceleration control system has the advantages that the super capacitor is used for electrifying and starting the motor at the start acceleration, and the power battery is used for supplying power to the motor when the start is stable, so that the service life and durability of the power battery are greatly protected and prolonged, and the production cost is reduced accordingly.
Description
Technical field
The utility model belongs to vehicle technology field, relates to a kind of battery-driven car starting acceleration-controlled system.
Background technology
Energy shortage, environmental pollution becomes the bottleneck of restriction TRANSPOWORLD development day by day, and universal along with green, environmental protection, sustainable development idea, green traffic instrument progresses into the public's the visual field, battery-driven car is as a kind of environmental protection instrument that adapts to the short-distance trip in city, battery-driven car accelerating ability from standstill depends on the moment of torsion that drive system can provide, and moment of torsion depends on the size of electric current.The size of electric current is limited by motor, motor controller on the one hand, by the power supply capacity of battery, limited on the other hand, generally speaking, the time that battery-driven car starting is accelerated is not long, motor controller can allow that the electric current that surpasses rated current several times enters motor to produce required high pulling torque (unlikely motor or the controller problems of excessive heat of causing) in theory within this period of short time, thereby required vehicle start acceleration/accel is provided.Yet the power supply capacity of battery becomes the bottleneck of whole system performance at this, although excessive discharge current can not cause the infringement of battery within the short time, but but directly have influence on the life-span of battery.Under the basis of prior art, in order to reach desirable battery-driven car starting, to accelerate, general method has two kinds of approach: under the basis that (1) is battery at closed-center system, by the control command increase initial current of motor controller, to reach needed moment of torsion; This way does not have to consider the impact on battery life; (2) use super capacitor as closed-center system, to can being provided, required big electric current do not affect the function of closed-centre system, yet, the low energy densities of super capacitor makes, in the application of this kind of technology on small-sized electric car, the deposit of total energy has been produced to restriction, thus the driving ability of restriction small-sized electric car.
Summary of the invention
Technical problem to be solved in the utility model is the present situation for prior art, and a kind of battery-driven car starting acceleration-controlled system is provided, by this control system, make small-sized electric car reach desirable acceleration from rest, guarantee life-span and the driving stroke of battery simultaneously, and within cost also can be controlled at rational scope.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of battery-driven car starting acceleration-controlled system, it is characterized in that: comprise starting acceleration discriminating module, electrokinetic cell, super capacitor, battery charger, power switch, charge switch and motor, described super capacitor is connected with power switch, charge switch is connected with electrokinetic cell, one end of battery charger is connected on charge switch, the other end is connected between power switch and super capacitor, described starting accelerates to differentiate that module is connected with source switch with power switch respectively, starting accelerates to differentiate that module control power switch makes super capacitor power to motor, after startup, starting accelerates to differentiate that module control charge switch makes electrokinetic cell power and make battery charger charge to super capacitor simultaneously motor.
The measure of taking for optimization such scheme specifically comprises:
In above-mentioned a kind of battery-driven car starting acceleration-controlled system, described starting accelerates to differentiate on module to have respectively two groups of incoming signals and two groups of output signals, described incoming signal comprises acceleration pedal signal and vehicle speed signal, described output signal comprises electric power signal and charging signals, and described electric power signal and charging signals are controlled respectively the opening and closing of power switch and charge switch.
In above-mentioned a kind of battery-driven car starting acceleration-controlled system, described power switch is switch open in usual, and described charge switch is normally closed switch.
Compared with prior art; the utility model has the advantage of when starting is accelerated by super capacitor the motor startup of powering; after startup is stable, make again electrokinetic cell power to motor; so great protection has also extended life-span and the driving stroke of electrokinetic cell, thereby reduced, becomes to produce cost.
Accompanying drawing explanation
Fig. 1 is the schematic circuit diagram of this battery-driven car starting acceleration-controlled system;
Fig. 2 is this battery-driven car starting acceleration-controlled system logic relation picture.
The specific embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
In figure, starting accelerates to differentiate module 1; Electrokinetic cell 2; Super capacitor 3; Battery charger 4; Power switch 5; Charge switch 6; Motor 7; Micro-control unit 8; Acceleration pedal signal 9; Vehicle speed signal 10; Electric power signal 11; Charging signals 12.
As shown in Figure 1, this battery-driven car starting acceleration-controlled system, comprise starting acceleration discriminating module 1, electrokinetic cell 2, super capacitor 3, battery charger 4, power switch 5, charge switch 6 and motor 7, on motor 7, be connected with micro-control unit 8 (being also MCU), here starting accelerates to differentiate that module 1 can be placed in entire car controller (being also VCU), super capacitor 3 is connected with power switch 5, charge switch 6 is connected with electrokinetic cell 2, one end of battery charger 4 is connected on charge switch 6, the other end is connected between power switch 5 and super capacitor 3, starting accelerates to differentiate that module 1 is connected with source switch with power switch 5 respectively, starting accelerates to differentiate that module 1 control power switch 5 is powered 3 pairs of motors 7 of super capacitor, after starting, starting accelerates to differentiate that module 1 controls charge switch 6 and 2 pairs of motors 7 of electrokinetic cell are powered make 4 pairs of super capacitors 3 of battery charger be charged as next time to start and prepare simultaneously, here due to the general lithium cell and expensive that adopts of electrokinetic cell 2, if directly powered by 2 pairs of motors 7 of electrokinetic cell when starting, thereby can cause like this electrokinetic cell 2 damages to increase replacement cost, and the utility model is mainly by the startup of powering of 3 pairs of motors 7 of super capacitor when starting is accelerated, after startup is stable, disconnecting super capacitor 3 powers by 2 pairs of motors 7 of electrokinetic cell again, so great protection has also extended life-span and the driving stroke of electrokinetic cell 2, thereby reduced, become to produce cost.
Here starting accelerates to differentiate on module 1 to have respectively two groups of incoming signals and two groups of output signals, incoming signal comprises acceleration pedal signal 9 and vehicle speed signal 10, output signal comprises electric power signal 11 and charging signals 12, electric power signal 11 and charging signals 12 are controlled respectively the opening and closing of power switch 5 and charge switch 6, and power switch 5 is switch open in usual, charge switch 6 is normally closed switch.
As shown in Figure 2, logic relation picture for " starting acceleration mode ", " electric power signal 11 " and " charging signals 12 " three, starting accelerates to differentiate that module 1 is based on acceleration pedal signal 9 and vehicle speed signal 10, determines whether vehicle operating operating mode belongs to " starting acceleration mode "; If " starting acceleration mode " produces the conversion of growing out of nothing, start output " electric power signal 11 " to power switch 5, it is closed that electrical power for operation switch 5 makes it, and the power output end of super capacitor 3 is engaged as electric power with micro-control unit 8 power inputs of motor 7; When " electric power signal 11 " state in " logic just ", entire car controller (VCU) checks the signal of " starting acceleration mode ", if there is the conversion from " logic just " to " logic is negative ", after waiting for a bit of time delay, " electric power signal 11 " output is changed into " logic is negative " from " logic just ".
Starting accelerates to differentiate that module 1 is based on acceleration pedal signal 9 and vehicle speed signal 10; determine and export " charging signals 12 "; after the leading edge of " charging signals 12 " drops on " electric power signal 11 " leading edge; when " charging signals 12 " is during in " logic just " state; battery charger 4 stops super capacitor 3 chargings, and micro-control unit 8 (VCU) detects " starting acceleration mode " simultaneously; If there is the conversion that clump " logic just " arrives " logic is negative ", " charging signals 12 " output is changed into " logic is negative " from " logic just ", battery charger 4 is recovered super capacitor 3 chargings, the input end of the mouth of electrokinetic cell 2 and the micro-control unit 8 of motor 7 (being also MCU) forms electric power connection simultaneously, can power to motor 7.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from the defined scope of spirit of the present utility model.
Claims (3)
1. battery-driven car starting acceleration-controlled system, it is characterized in that: comprise starting acceleration discriminating module, electrokinetic cell, super capacitor, battery charger, power switch, charge switch and motor, described super capacitor is connected with power switch, charge switch is connected with electrokinetic cell, one end of battery charger is connected on charge switch, the other end is connected between power switch and super capacitor, described starting accelerates to differentiate that module is connected with source switch with power switch respectively, starting accelerates to differentiate that module control power switch makes super capacitor power to motor, after startup, starting accelerates to differentiate that module control charge switch makes electrokinetic cell power and make battery charger charge to super capacitor simultaneously motor.
2. a kind of battery-driven car starting acceleration-controlled system according to claim 1, it is characterized in that, described starting accelerates to differentiate on module to have respectively two groups of incoming signals and two groups of output signals, described incoming signal comprises acceleration pedal signal and vehicle speed signal, described output signal comprises electric power signal and charging signals, and described electric power signal and charging signals are controlled respectively the opening and closing of power switch and charge switch.
3. a kind of battery-driven car starting acceleration-controlled system according to claim 2, is characterized in that, described power switch is switch open in usual, and described charge switch is normally closed switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420168299.7U CN203780331U (en) | 2014-04-08 | 2014-04-08 | Electric vehicle start acceleration control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420168299.7U CN203780331U (en) | 2014-04-08 | 2014-04-08 | Electric vehicle start acceleration control system |
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| Publication Number | Publication Date |
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| CN203780331U true CN203780331U (en) | 2014-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420168299.7U Expired - Fee Related CN203780331U (en) | 2014-04-08 | 2014-04-08 | Electric vehicle start acceleration control system |
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| CN (1) | CN203780331U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105609317A (en) * | 2015-11-25 | 2016-05-25 | 上海展枭新能源科技有限公司 | Acceleration energy pack based on lithium ion capacitor, power supply device of BEV (Battery Electric Vehicle) and acceleration control method of power supply device |
| CN106042967A (en) * | 2016-04-18 | 2016-10-26 | 洛阳尹太科智能科技有限公司 | Electrical system of electric vehicle and power supply method |
| CN106080243A (en) * | 2016-04-18 | 2016-11-09 | 洛阳尹太科智能科技有限公司 | Electric car electrical system and method for supplying power to |
| CN110855190A (en) * | 2019-11-25 | 2020-02-28 | 珠海格力电器股份有限公司 | Motor control method, device and motor system |
-
2014
- 2014-04-08 CN CN201420168299.7U patent/CN203780331U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105609317A (en) * | 2015-11-25 | 2016-05-25 | 上海展枭新能源科技有限公司 | Acceleration energy pack based on lithium ion capacitor, power supply device of BEV (Battery Electric Vehicle) and acceleration control method of power supply device |
| CN105609317B (en) * | 2015-11-25 | 2018-11-02 | 上海展枭新能源科技有限公司 | A kind of acceleration energy packet, pure electric automobile supply unit and its acceleration control method based on lithium-ion capacitor |
| CN106042967A (en) * | 2016-04-18 | 2016-10-26 | 洛阳尹太科智能科技有限公司 | Electrical system of electric vehicle and power supply method |
| CN106080243A (en) * | 2016-04-18 | 2016-11-09 | 洛阳尹太科智能科技有限公司 | Electric car electrical system and method for supplying power to |
| CN110855190A (en) * | 2019-11-25 | 2020-02-28 | 珠海格力电器股份有限公司 | Motor control method, device and motor system |
| CN110855190B (en) * | 2019-11-25 | 2021-03-12 | 珠海格力电器股份有限公司 | Motor control method, device and motor system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20160408 |
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| CF01 | Termination of patent right due to non-payment of annual fee |