CN103072493A - Downhill constant-speed electric power back-charging system - Google Patents
Downhill constant-speed electric power back-charging system Download PDFInfo
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- CN103072493A CN103072493A CN2011103292313A CN201110329231A CN103072493A CN 103072493 A CN103072493 A CN 103072493A CN 2011103292313 A CN2011103292313 A CN 2011103292313A CN 201110329231 A CN201110329231 A CN 201110329231A CN 103072493 A CN103072493 A CN 103072493A
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Abstract
The invention relates to a downhill constant-speed electric power back-charging system. The downhill constant-speed electric power back-charging system comprises a vehicle speed sensor, a switch pedal sensor, a brake pedal sensor, a battery unit, a power generating device and a downhill speed control unit, wherein the downhill speed control unit is electrically connected with the vehicle speed sensor, the switch pedal sensor, the brake pedal sensor, the power generating device and the battery unit. When an electric vehicle is in a downhill state, the speed which is considered to be comfortable by a driver can be reached by automatically stepping a brake by the driver, the motion energy generated by the rotating of the electric vehicle can be adaptively regulated and can be converted into electric energy of a power generator, the electric energy can be back-charged to a battery, thus the downhill speed can be controlled, and the purpose of constant-speed downhill can be reached.
Description
Technical field
The present invention relates to a kind of descending constant speed electric power recharging system, espespecially a kind of descending constant speed electric power recharging system that is applicable to battery-driven car.
Background technology
Because the problem that environmental consciousness comes back and main energy sources is exhausted gradually, the battery-driven car of electric power supply more and more comes into one's own.The subject matter that faces of battery-driven car and the shortcoming endurance that is battery is not enough now, will be the future development emphasis therefore how to improve the battery flying power of vehicle own.
And battery-driven car in motion, and it can have inertia problem to exist because of the descending highway section, causes the speed of a motor vehicle to accelerate and be difficult for braking and easily causing and overturn, or need whole section descending distance need frequently trample brake.Therefore, usually can install the downhill retardation induction installation additional than the battery-driven car of higher-order, too fast to prevent the descending speed of a motor vehicle.
The downhill retardation induction installation utilizes battery-driven car to be provided with the inductor of descending usually, to determine descending speed according to the relation between each inductor.Yet, the speed of this descending speed for building up at the beginning, if the descending speed of building up in this drive feel too fast/excessively slow, this downhill retardation induction installation causes driver's inconvenience on the contrary.
When the contriver proposed a kind of driver of allowing and can decide the descending constant speed in its sole discretion, the energy that is slowed down also can be used as " the descending constant speed electric power recharging system " of electric power recharging, and several times research experiment is eventually to finishing the present invention.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art and defective, for battery-driven car when the descending state, according to the problem of the information under the friction speed as built-in constant speed foundation.Be set forth in the descending state and trample voluntarily brake to oneself thinking comfortable speed according to the driver, the kinetic energy of adaptive adjustment battery-driven car tyre rotation when descending converts the electric energy of electrical generator to, controls descending speed to reach the purpose of descending constant speed to recharge electric power to battery.Not only can increase the safety of driver when the descending state and control independence, more can improve the service efficiency of the energy.
For reaching above-mentioned purpose, the invention provides a kind of descending constant speed electric power recharging system, comprising: a speed of a motor vehicle perceptron, in order to measure the speed of a motor vehicle of a battery-driven car; Whether one electric switch pedal perceptron is trampled in order to the electric switch pedal of detecting this battery-driven car; Whether one Brake pedal perceptron is trampled in order to the Brake pedal of detecting this battery-driven car; One battery unit; One power generation assembly is in order to drive this battery-driven car or this battery unit is charged; And the fast unit of a descending control, be electrically connected on this speed of a motor vehicle perceptron, this electric switch pedal perceptron, this Brake pedal perceptron, this power generation assembly and this battery unit; Wherein, when this battery-driven car is in that this electric switch pedal is not trampled and this speed of a motor vehicle when but increasing, certain fast mode is opened in this descending control speed unit, a corresponding target vehicle speed value when capturing this Brake pedal and being trampled, and compare this target vehicle speed value and this speed of a motor vehicle, when this target vehicle speed value was lower than this speed of a motor vehicle, this this power generation assembly of descending control speed unit controls recharged electric power to this battery unit.
In addition, when above-mentioned electric switch pedal perceptron detecting electric switch pedal was trampled, the constant speed pattern was closed in descending control speed unit.
Moreover, descending constant speed electric power recharging system can more comprise a control element, be electrically connected descending control speed unit, with the adjustment aim velocity amplitude (for example, target speed value is fixed as speed per hour 30km/h... etc.) be used as descending constant speed foundation, or close this descending constant speed electric power recharging system, to allow the driver trample voluntarily the Brake pedal regulation speed in the descending highway section.
Moreover, the corresponding speed of a motor vehicle when being trampled rear relieving that target vehicle speed value of the present invention can be set to Brake pedal, also can be set to Brake pedal and (for example just trampled the corresponding speed of a motor vehicle of a schedule time, less than 1 second time ... etc.), the driver is thought the comfortable speed of a motor vehicle speed as constant speed.
Moreover descending control speed of the present invention unit can comprise a memory unit, is electrically connected resistance control device, to store the target vehicle speed value.In addition, descending control of the present invention speed unit can more comprise a resistance control device, and for example, variable resistance or other can be used to adjust power generation assembly recharges electric power to battery unit device.
The present invention also provides a kind of descending constant speed electric power recharging method, be used for a battery-driven car, the method includes a speed of a motor vehicle perceptron in order to the speed of a motor vehicle that measures battery-driven car, the one electric switch pedal perceptron of whether being trampled in order to the electric switch pedal of detecting battery-driven car, the one Brake pedal perceptron of whether being trampled in order to the Brake pedal of detecting battery-driven car, one battery unit, one in order to drive battery-driven car or to the power generation assembly of battery unit charging, and one and this speed of a motor vehicle perceptron, this electric switch pedal perceptron, this Brake pedal perceptron, this descending control speed unit that this power generation assembly and this battery unit are electrically connected, the method comprises the following step: (A) this descending control speed unit is not trampled and the speed of a motor vehicle when but increasing in the electric switch pedal, opens certain fast mode; A corresponding target vehicle speed value when (B) capturing this Brake pedal and trampled; (C) compare this target vehicle speed value and this speed of a motor vehicle; And (D) when this target vehicle speed value is lower than this speed of a motor vehicle, this this power generation assembly of descending control speed unit controls recharges electric power to this battery unit.
In addition, said method can more comprise step: (E) when this descending control speed unit when this electric switch pedal is trampled, close this constant speed pattern.
Moreover, above-mentioned descending constant speed electric power recharging system can more comprise a control element, be electrically connected this descending control speed unit, (for example to adjust this target speed value, target speed value is fixed as speed per hour 30km/h... etc.) be used as descending constant speed foundation, or close this descending constant speed electric power recharging system, to allow the driver trample voluntarily the Brake pedal regulation speed in the descending highway section.
Moreover, the corresponding speed of a motor vehicle when being trampled rear relieving that above-mentioned target vehicle speed value can be set to Brake pedal, also can be set to Brake pedal and (for example just trampled the corresponding speed of a motor vehicle of a schedule time, less than 1 second time) ... etc., the driver is thought the comfortable speed of a motor vehicle speed as constant speed.
In addition, above-mentioned descending control speed unit can more comprise a resistance control device, and for example, variable resistance or other can be used to adjust power generation assembly recharges electric power to battery unit device.
Above general introduction and ensuing detailed description are all exemplary in nature, are in order to further specify interest field of the present invention.And about other purpose of the present invention and advantage, will be set forth in follow-up explanation and diagram.
Description of drawings
Fig. 1 is the descending constant speed electric power recharging system schematic of a preferred embodiment of the present invention;
Fig. 2 is the descending constant speed electric power recharging system flowchart of a preferred embodiment of the present invention.
Nomenclature among the figure
5 control elements, 10 speed of a motor vehicle perceptrons
20 electric switch pedal perceptrons, 30 Brake pedal perceptrons
40 descending controls speed unit, 41 memory units
42 resistance control devices, 50 power generation assemblys
70 battery unit S21-S26 steps
The specific embodiment
Please refer to Fig. 1, be the descending constant speed electric power recharging system schematic of a preferred embodiment of the present invention.Descending constant speed electric power recharging system comprises a control element 5, a speed of a motor vehicle perceptron 10, an electric switch pedal perceptron 20, a Brake pedal perceptron 30, descending control speed unit 40, a power generation assembly 50, reaches a battery unit 70.Wherein, speed of a motor vehicle perceptron 10 is used for measuring the speed of a motor vehicle of a battery-driven car.Whether electric switch pedal perceptron 20 is used for detecting the electric switch pedal of battery-driven car and is trampled.Whether Brake pedal perceptron 30 then is used for detecting the Brake pedal of battery-driven car and is trampled.
Descending control speed unit 40 is electrically connected on speed of a motor vehicle perceptron 10, electric switch pedal perceptron 20, Brake pedal perceptron 30, power generation assembly 50 and battery unit 70, comprises a memory unit 41 and a resistance control device 42.Memory unit 41 is electrically connected resistance control device 42, to store a target vehicle speed value.42 of resistance control devices recharge electric power in order to adjust 50 pairs of battery units 70 of power generation assembly.In the present embodiment, resistance control device 42 comprises a variable resistance, with the electric power that recharges by pulse width modulation (Pulse Width Modulation, PWM) technological adjustment.
When battery-driven car is in that the electric switch pedal is not trampled and the speed of a motor vehicle when but increasing, certain fast mode is opened in descending control speed unit 40, corresponding target vehicle speed value when being trampled with the acquisition Brake pedal, and comparison target vehicle speed value and the present speed of a motor vehicle; When the target vehicle speed value was lower than the present speed of a motor vehicle, 40 control power generation assemblys, 50 pairs of battery units 70 in descending control speed unit recharged electric power, and the kinetic energy of tyre rotation was converted to the electric energy of electrical generator when meaning was namely adjusted descending, made it recharge electric power to battery.At this moment, power generation assembly 50 as same electrical generator allow descending speed slow down to reduce tire rotational speed.
If when electric switch pedal perceptron 20 detecting electric switch pedals are trampled, the constant speed pattern will be closed in descending control speed unit 40, and the target vehicle speed value will reset when entering the constant speed pattern next time.Therefore, when battery-driven car was in the constant speed pattern of descending, even brake is not trampled, can control the battery-driven car descending speed by descending control speed unit 40 control power generation assemblys 50 can be not too fast yet, avoiding brake because constantly being trampled to slow down, and make braking system overheated.
In the present embodiment, the corresponding speed of a motor vehicle when being trampled rear relieving that the target vehicle speed value is set to Brake pedal is to think the driver the suitable speed of a motor vehicle speed as constant speed.And also can be At All Other Times point, corresponding speed of a motor vehicle when for example Brake pedal has just been trampled the opportunity of target setting vehicle speed value ....
In addition, the control element 5 of descending constant speed electric power recharging system, be electrically connected descending control speed unit 40, with the adjustment aim velocity amplitude (for example, target speed value is fixed as speed per hour 30km/h... etc.) be used as descending constant speed foundation, or close this descending constant speed electric power recharging system, to allow the driver trample voluntarily the Brake pedal regulation speed in the descending highway section.
Then, please refer to Fig. 2, be the descending constant speed electric power recharging system flowchart of a preferred embodiment of the present invention, and please also refer to Fig. 1.As described below, the driver on the way travels and one has descending constant speed of the present invention system battery-driven car.When the driver reaches that the descending non-intersection speed arrives a suitable high speed and when no longer continuing to step on the electric switch pedal, at this moment, descending control speed unit 40 will detect that the electric switch pedal is not trampled and situation that the speed of a motor vehicle continues to increase because of descending, therefore open certain fast mode to enter descending constant speed system (step S21).Then, the driver is because of the sensation speed of a motor vehicle too fast Brake pedal of trampling, and thinks the speed of safety and comfort to decelerate to driver oneself, at this moment, the speed of a motor vehicle that speed of a motor vehicle perceptron 10 will capture Brake pedal when being trampled, with as after control the target vehicle speed value (step S22) of the descending speed of a motor vehicle.
Ensuing descending control speed unit 40 will be compared with the present speed of a motor vehicle voluntarily according to this target vehicle speed value, the present speed of a motor vehicle is controlled at target vehicle speed value (step S23).When the target vehicle speed value was lower than the present speed of a motor vehicle, descending control speed unit 40 control power generation assemblys 50 recharged electric power to battery unit 70, and then reduced tire rotational speed and allow descending speed slow down (step S24).
At this moment, trample Brake pedal if the driver thinks still that the present speed of a motor vehicle is too fast, the target vehicle speed value will be redefined (getting back to step S22); If but the driver thinks the present speed of a motor vehicle pedal that just do not apply the brakes, then the target vehicle speed value will continue to compare the present speed of a motor vehicle (getting back to step S23).If if the driver thinks that the speed of a motor vehicle is too slow, also can trample the electric switch pedal, to remove the constant speed pattern (step S25) of present stage.
Certainly, descending control speed unit 40 after detect again that the electric switch pedal is not trampled and the speed of a motor vehicle when continuing to increase, constant speed pattern will again be unlocked again (step S21).And the driver also can be voluntarily manually the adjustment aim vehicle speed value is with the fixed target vehicle speed value, or this descending constant speed electric power recharging system of manual-lock is to allow the driver trample voluntarily the Brake pedal regulation speed in the descending highway section.
From the above, when the present invention makes battery-driven car be in the descending state, even the driver does not trample Brake pedal, can control car speed can be not too fast yet, and at identical descending, different drivers are different to the requirement of speed, and the target vehicle speed value that determines is also not identical, therefore improved the safety of vehicular drive and controlled independence.In addition, the present invention system is by adjusting battery-driven car when descending, and the electric energy that the kinetic energy of tyre rotation converts electrical generator to recharges to battery and reaches the descending constant speed, more can promote the service efficiency of the energy, increases the endurance of battery of electric vehicle.
Above-described embodiment is only given an example for convenience of description, and the interest field that the present invention advocates should be as the criterion so that claims are described certainly, but not only limits to above-described embodiment.
Claims (13)
1. a descending constant speed electric power recharging system is characterized in that, comprising:
One speed of a motor vehicle perceptron is in order to measure the speed of a motor vehicle of a battery-driven car;
Whether one electric switch pedal perceptron is trampled in order to the electric switch pedal of detecting this battery-driven car;
Whether one Brake pedal perceptron is trampled in order to the Brake pedal of detecting this battery-driven car;
One battery unit;
One power generation assembly is in order to drive this battery-driven car or this battery unit is charged; And
One descending control speed unit is electrically connected on this speed of a motor vehicle perceptron, this electric switch pedal perceptron, this Brake pedal perceptron, this power generation assembly and this battery unit;
Wherein, when this battery-driven car is in that this electric switch pedal is not trampled and this speed of a motor vehicle when but increasing, certain fast mode is opened in this descending control speed unit, a corresponding target vehicle speed value when capturing this Brake pedal and being trampled, and compare this target vehicle speed value and this speed of a motor vehicle, when this target vehicle speed value was lower than this speed of a motor vehicle, this this power generation assembly of descending control speed unit controls recharged electric power to this battery unit.
2. descending constant speed electric power recharging as claimed in claim 1 system, wherein, when this electric switch pedal perceptron was detected this electric switch pedal and trampled, this constant speed pattern was closed in this descending control speed unit.
3. descending constant speed electric power recharging as claimed in claim 1 system wherein, also comprises a control element, is electrically connected this descending control speed unit to adjust this target speed value or to close this descending constant speed electric power recharging system.
4. descending constant speed electric power recharging as claimed in claim 1 system, wherein, this target vehicle speed value has just been trampled corresponding this speed of a motor vehicle of a schedule time for this Brake pedal.
5. descending constant speed electric power recharging as claimed in claim 1 system, wherein, corresponding this speed of a motor vehicle when this target vehicle speed value is trampled rear relieving for this Brake pedal.
6. descending constant speed electric power recharging as claimed in claim 1 system, wherein, this descending control speed unit also comprises a memory unit, is electrically connected this resistance control device to store this target vehicle speed value.
7. descending constant speed electric power recharging as claimed in claim 1 system, wherein, this descending control speed unit comprises a resistance control device, imports this power generation assembly into this battery unit is recharged ratio between electric power and the power transmission in order to adjust distributed power.
8. descending constant speed electric power recharging method, be used for a battery-driven car, it includes a speed of a motor vehicle perceptron in order to the speed of a motor vehicle that measures this battery-driven car, the one electric switch pedal perceptron of whether being trampled in order to the electric switch pedal of detecting this battery-driven car, the one Brake pedal perceptron of whether being trampled in order to the Brake pedal of detecting this battery-driven car, one battery unit, one in order to drive this battery-driven car or to the power generation assembly of this battery unit charging and one and this speed of a motor vehicle perceptron, this electric switch pedal perceptron, this Brake pedal perceptron, this descending control speed unit that this power generation assembly and this battery unit are electrically connected, it is characterized in that, the method comprises the following step:
(A) this descending control speed unit is not trampled and this speed of a motor vehicle when but increasing in this electric switch pedal, opens certain fast mode;
A corresponding target vehicle speed value when (B) capturing this Brake pedal and trampled;
(C) compare this target vehicle speed value and this speed of a motor vehicle; And
(D) when this target vehicle speed value is lower than this speed of a motor vehicle, this this power generation assembly of descending control speed unit controls recharges electric power to this battery unit.
9. method as claimed in claim 8 wherein, also comprises step: (E) this constant speed pattern is closed in this descending control speed unit when this electric switch pedal is trampled.
10. method as claimed in claim 8, wherein, this descending constant speed electric power recharging system also comprises a control element, is electrically connected this descending control speed unit to adjust this target speed value or to close this descending constant speed electric power recharging system.
11. method as claimed in claim 8, wherein, this target vehicle speed value has just been trampled corresponding this speed of a motor vehicle of a schedule time for this Brake pedal.
12. method as claimed in claim 8, wherein, corresponding this speed of a motor vehicle when this target vehicle speed value is trampled rear relieving for this Brake pedal.
13. method as claimed in claim 8, wherein, this descending control speed unit comprises a resistance control device, imports this power generation assembly into this battery unit is recharged ratio between electric power and the power transmission in order to adjust distributed power.
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| CN2011103292313A CN103072493A (en) | 2011-10-26 | 2011-10-26 | Downhill constant-speed electric power back-charging system |
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| CN2011103292313A CN103072493A (en) | 2011-10-26 | 2011-10-26 | Downhill constant-speed electric power back-charging system |
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Cited By (6)
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| CN105529868A (en) * | 2014-10-20 | 2016-04-27 | 周忠民 | Power generation system |
| CN106427600A (en) * | 2015-08-07 | 2017-02-22 | 舍弗勒技术股份两合公司 | Downhill auxiliary driving device for electrically-driven automobile, and control method |
| CN106809055A (en) * | 2017-01-22 | 2017-06-09 | 北京新能源汽车股份有限公司 | A kind of motor output torque control method and device |
| CN107253452A (en) * | 2017-06-28 | 2017-10-17 | 北京新能源汽车股份有限公司 | Electric automobile constant-speed-cruise control method and device during battery limitation charging |
| CN112848899A (en) * | 2019-11-28 | 2021-05-28 | 宏碁股份有限公司 | Battery recharging control method |
| CN113263917A (en) * | 2021-05-27 | 2021-08-17 | 东南（福建）汽车工业有限公司 | Application method of energy recovery technology in electric vehicle speed-limiting working condition |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105529868A (en) * | 2014-10-20 | 2016-04-27 | 周忠民 | Power generation system |
| EP3012143A1 (en) | 2014-10-20 | 2016-04-27 | Chung-Ming Chou | Power generation apparatus |
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| CN107253452A (en) * | 2017-06-28 | 2017-10-17 | 北京新能源汽车股份有限公司 | Electric automobile constant-speed-cruise control method and device during battery limitation charging |
| CN107253452B (en) * | 2017-06-28 | 2020-03-10 | 北京新能源汽车股份有限公司 | Method and device for controlling constant-speed cruise of electric vehicle during limited charging of battery |
| CN112848899A (en) * | 2019-11-28 | 2021-05-28 | 宏碁股份有限公司 | Battery recharging control method |
| US11332018B2 (en) | 2019-11-28 | 2022-05-17 | Acer Incorporated | Battery regenerative braking control method |
| CN113263917A (en) * | 2021-05-27 | 2021-08-17 | 东南（福建）汽车工业有限公司 | Application method of energy recovery technology in electric vehicle speed-limiting working condition |
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Application publication date: 20130501 |