CN101941387A - Vehicle automatic electric energy saving system and method - Google Patents
Vehicle automatic electric energy saving system and method Download PDFInfo
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- CN101941387A CN101941387A CN2009100672563A CN200910067256A CN101941387A CN 101941387 A CN101941387 A CN 101941387A CN 2009100672563 A CN2009100672563 A CN 2009100672563A CN 200910067256 A CN200910067256 A CN 200910067256A CN 101941387 A CN101941387 A CN 101941387A
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- Y02T10/72—Electric energy management in electromobility
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Abstract
The invention discloses a vehicle automatic electric energy saving system and a vehicle automatic electric energy saving method. The system comprises an actual service power detection device, a driving speed signal detection device and an electric energy saving judgment control device, wherein the actual service power detection device is used for detecting the actual service power of a vehicle in the current state; the driving speed signal detection device is used for detecting the current driving speed of the vehicle; and the electric energy saving judgment control device is used for judging whether the current driving speed is the driving speed which saves the electric energy most according to the actual service power and the current driving speed, and if the current driving speed is not the driving speed which saves the electric energy most, judging whether acceleration or deceleration is needed for realizing better utilization of the electric energy and transmitting a control signal to an acceleration and deceleration control device to increase or reduce the driving speed of the vehicle. The embodiment of the invention judges whether the current driving speed is the driving speed which saves the electric energy most according to the relationship between the current driving speed and the actual service power, so that the vehicle is accelerated or decelerated and the driving speed is gradually adjusted to the speed for saving the electric energy most so as to save the electric energy.
Description
Technical field
The present invention relates to the control technology field of electrically driven vehicle, the system and method that particularly a kind of electric energy is saved automatically.
Background technology
The problem of energy utilization rate is an importance of field of energy-saving technology always, improves energy utilization rate and can reach the purpose of saving electric energy.Saving the technology of electric energy considers usually from the following aspect:
At first be the exploitation of automobile product,, reduce the Related product that automobile is improved in aspects such as motor operation resistance, reduction air resistance coefficient by alleviating tare; Save the energy by the recycling of energy in addition, realize the purpose that electric energy is saved.
Next is exactly to improve driving technique artificially, reaches the purpose of saving electric energy by some driving habits of saving electric energy.Automobile is subjected to road conditions and resistance such as Influences on Wind Velocity in the process of moving, and actual power and the moving velocity of using has certain relation.The distance relation that the expenditure of energy of ordinary vehicle type and unit energy travel is parabolic type as shown in Figure 1, Fig. 1 be certain vehicle on straight calm highway during straight-line travelling, unit energy operating range and the actual graph of a relation that uses power.Fig. 1 shows that under the situation of different road conditions and resistance, the speed of operation of economizing electric energy most has nothing in common with each other, and travels with the speed of a motor vehicle of correspondingly economizing most electric energy, can reach the purpose of saving electric energy.
After prior art was studied, the contriver found that relatively more abundant at present to the exploitation of automobile product, further improved space is smaller.And under the situation of different road conditions and resistance, artificial judgement economizes the speed of a motor vehicle of electric energy most, even chaufeur has very rich experience, also is difficult to judge the maximum distance that the electric energy of unit quantity travels, and promptly is difficult to judge and selects for use the how high speed of a motor vehicle could save electric energy.
Summary of the invention
Do the utilization rate of electrical of the vehicle of drive power source in order to improve electrical motor, the present invention has designed the system and method that a kind of electric energy is saved automatically, by detecting vehicle current driving speed and the actual relation of using power, judge to realize that electric energy utilizes more fully and quickens or slow down, and correspondingly quicken or slow down to realize saving automatically the purpose of electric energy.The technical scheme of the embodiment of the invention is as follows:
The system that a kind of electric energy is saved automatically, described system comprises:
The actual power detection device that uses is used to detect the actual use power of vehicle under current state, and described actual use power is the electric flux of described vehicle unit time internal consumption---promptly: actual power consumption power;
The moving velocity signal supervisory instrument is used to detect the current moving velocity of described vehicle;
Electric energy is saved and is judged control setup, be used for according to the described actual actual use power that uses power detection device to detect and obtain, and the current driving speed of described moving velocity signal supervisory instrument detection, judge whether current moving velocity is the moving velocity of saving electric energy most, if not, then be judged as and make described vehicle reach the moving velocity of saving electric energy most, be to need to quicken or slow down, and transmit control signal to acceleration and deceleration control device, control the moving velocity that described acceleration and deceleration control device correspondingly increases or reduce described vehicle;
Acceleration and deceleration control device is used to receive described electric energy and saves the control signal of judging that control setup sends, and correspondingly increases or reduce the moving velocity of described vehicle according to described control signal.
On the other hand, the method that the embodiment of the invention also provides a kind of electric energy to save automatically, described method comprises:
Detect the actual use power of vehicle under current state, described actual use power is the electric flux of described vehicle unit time internal consumption;
Detect the current moving velocity of described vehicle;
According to current actual use power and the moving velocity of described vehicle that detects, judge whether current moving velocity is the moving velocity of saving electric energy most, if not, then be judged as and make described vehicle reach the moving velocity of saving electric energy most, be to need to quicken or slow down;
According to described judged result, correspondingly increase or reduce the moving velocity of described vehicle.
The embodiment of the invention is according to current driving speed and the actual relation of using power, judge whether current moving velocity is the moving velocity of saving electric energy most, thus vehicle is quickened or slow down, progressively moving velocity is adjusted to the speed of saving electric energy most, realized saving the purpose of electric energy.
Description of drawings
Fig. 1 is the scheme drawing that concerns of the electric energy of the actual use power of automobile of the prior art and the unit energy distance of travelling;
Fig. 2 is that the electric energy that the embodiment of the invention 1 provides is saved the structural representation of system automatically;
Fig. 3 is the diagram of circuit of the electric energy that provides of the embodiment of the invention 2 method of saving automatically.
The specific embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Embodiment 1
The system that the embodiment of the invention provides a kind of electric energy to save automatically, can be applied to adopt in all vehicles of acceleration controller, with the example that is applied as in automobile, the system that this electric energy is saved automatically is by judging current vehicle speed and the actual relation of using power, judge whether the current speed of a motor vehicle is the moving velocity of saving electric energy most, and increase or reduce acceleration controller thus, realize the purpose of saving electric energy thus.
Referring to Fig. 2, this electric energy saving system automatically comprises:
The actual power detection device 201 that uses, this device is used to detect the actual use power of automobile under current state, and this actual use power comprises the electric flux that the vehicle in unit time consumes.
Concrete, the actual power detection device 201 that uses can be two electric energy measurement sensors, is arranged on total feeder ear of automobile, and according to total voltage of measuring and output total current.
Moving velocity signal supervisory instrument 202 is used to detect the current moving velocity of automobile.
With the automobile is example, and the signal of moving velocity can be directly obtains from the car speed sensor of vehicle output shaft, also can obtain from the wheel speed sensors of some wheels, so the moving velocity signal supervisory instrument 202 of automobile does not need to add extra sensor.
Electric energy is saved and is judged control setup 203, be used for detecting the virtual voltage that obtains and using amperemeter to calculate actual use power according to this actual use power detection device 201, and the current driving speed of these moving velocity signal supervisory instrument 202 detections, judge whether current moving velocity is the moving velocity of saving electric energy most, if not, then be judged as and make this vehicle reach the moving velocity of saving electric energy most, be to need to quicken or slow down, and transmit control signal to acceleration and deceleration control device 204, control the moving velocity that this acceleration and deceleration control device 204 correspondingly increases or reduce this vehicle.
Concrete, in embodiments of the present invention, this electric energy is saved and is judged that control setup 203 can be a singlechip chip.Save in the process of judging control setup 203 work at this electric energy, use the cooresponding signal of power according to reality, and the cooresponding signal of the speed of a motor vehicle, whether calculate needs to quicken or slow down, realized the automation control of electric energy saving system thus, the correlation computations of the i.e. collection of all signals, and signal can be finished automatically by system, and generates the control signal that control is quickened or slowed down.
Need to prove, in general automobiles, need use power detection device 201 to obtain relevant signal, give the electric energy saving and judge whether control setup 203 calculating need to quicken or slow down by reality with moving velocity signal supervisory instrument 202; Electric energy is saved and is judged that control setup 203 sends control signals to acceleration and deceleration control device then, and control vehicle quickens or slows down.Preferred scheme: utilize electric energy to save and judge that control setup 203 directly obtains signals such as the gross output power and the speed of a motor vehicle from the diagnosis interface of vehicle-mounted computer; Directly control signal is sent to the vehicle controlling computer then, utilize the vehicle controlling computer that vehicle is quickened or deceleration control, so only need electric energy saving judgement control setup 203 to be connected with above-mentioned the corresponding interface of automobile and get final product, the system that makes thus more optimizes.
Preferably, the electric energy of the embodiment of the invention is saved judgment means 203 and is judged whether automobile needs to quicken or when slowing down, can adopt following method: in default time gap, the reality use power and the speed of a motor vehicle are detected current.Obtain thus at the actual use power at different time interval and the corresponding relation of the speed of a motor vehicle, and with the speed of a motor vehicle and the actual reference standard of using the ratio of power as utilization rate of electrical, be that the speed of a motor vehicle is big more with the actual ratio of power that uses, the electric energy that unit quantity is described makes the distance of running car far away more, and then the degree of utilization that travels of electric energy is also high more; Otherwise the degree of utilization that travels of electric energy is also low more.When judging, the speed of a motor vehicle that current detection is obtained and the actual ratio that uses power, detecting the speed of a motor vehicle that obtains with the last time compares with the actual ratio of power that uses, if the speed of a motor vehicle that current detection obtains is bigger with the actual ratio of power that uses, the degree of utilization that electric energy then is described has improved, then can further improve speed, if the speed of a motor vehicle that current detection obtains is less with the actual ratio of power that uses, the degree of utilization that travels that electric energy then is described has reduced, and then needs to underspeed to improve utilization rate of electrical.Carry out the adjustment of the speed of a motor vehicle according to said process, vehicle is adjusted near travelling near the speed of saving electric energy most.The current vehicle speed that obtains until detection equals the last speed of a motor vehicle and the actual ratio that uses power that obtains that detect with the actual ratio of power that uses, and illustrates that then utilization rate of electrical has reached the highest, travels with the speed of a motor vehicle of this moment and also just can save electric energy; If high moving velocity state is identical with comparative figure under the low moving velocity state, then at full speed is controlled target, purpose is to improve running efficiency.
Concrete, be described with the process of following example the best speed of a motor vehicle of automobile adjustment.At first, automobile is after a period of time after the startup, the speed of a motor vehicle and the actual power that uses are detected, obtain the initial speed of a motor vehicle and the actual ratio that uses power, at interval after the default time, carry out secondary detection, obtain the speed of a motor vehicle and the actual ratio that uses power of detection for the second time, this is detected the ratio that the ratio that obtains and initial detecting obtain for the second time compares, if the ratio that the ratio that detection for the second time obtains obtains more than or equal to initial detecting, then further increase the speed of a motor vehicle, otherwise reduce the speed of a motor vehicle; Afterwards, at interval after the default time, carry out detection for the third time, this is detected ratio that obtains and the ratio that detection for the second time obtains for the third time compares, detect the ratio that obtains more than or equal to the second time if detect the ratio that obtains for the third time, then further increase the speed of a motor vehicle, otherwise reduce the speed of a motor vehicle; So carry out cycle detection, and the speed of a motor vehicle is adjusted, vehicle is adjusted near travelling near the speed of saving electric energy most.
Acceleration and deceleration control device 204 is used to receive this electric energy and saves the control signal of judging that control setup 203 sends, and correspondingly increases or reduce the moving velocity of this vehicle according to this control signal.
Concrete, in embodiments of the present invention, this acceleration and deceleration control device 204 is used for control and increases or reduce acceleration controller, and to increase or to reduce the moving velocity of automobile, acceleration controller is a throttle in automobile.This acceleration and deceleration control device 204 comprises an output motor at least, the gear reduction that electrical motor is relevant, and a backguy that connects acceleration pedal, and this backguy should be installed in the easiest application of force of acceleration pedal place.This acceleration and deceleration control device 204 can increase or reduce throttle by above-mentioned parts.Output motor drives relevant gear reduction, and the interlock acceleration pedal reaches the purpose that increases or reduce throttle.
Preferably, in embodiments of the present invention, throttle increased or the amplitude that reduces is divided into 100 scalars, promptly not during step on the accelerator, the scalar of throttle is defined as 0, when throttle full open, the scalar of throttle is defined as 100.When increasing or reducing throttle, increase a scalar at every turn or reduce three scalars, thus, the car acceleration controller is that the change amount of throttle is slowly to change, in the more stable place of road conditions, automobile can quicken or slow down slowly.And in the in-and-out place of road conditions, also can not cause the continuous unexpected increase of throttle and reduce, make that thus the driving of automobile is more stable, can not cause comfort property to descend.
On the other hand, for the electric energy that the embodiment of the invention the is provided system that saves does not automatically influence normal artificial the driving, the electric energy of the embodiment of the invention is saved system automatically and is also comprised; Artificial action detection device 205.
This artificial action detection device 205; be used to detect this vehicle whether artificial operation is arranged; as driver's step on the accelerator, control brake device or power-transfer clutch etc.; if have; then send interrupt signal to system; electric energy is saved system automatically after receiving interrupt signal, then suspends or stop the work that electric energy is saved system automatically.Therefore, the electric energy of the embodiment of the invention is saved system's meeting compulsory withdrawal when the driver gets involved automatically, does not influence normal artificial the driving.
Further, for make electric energy of the present invention automatically the system of saving can better in vehicle, use, the present invention can also add read out instrument 206 and be used for providing electric energy to save the relevant information for the treatment of process to chaufeur in this system.Preferably, electric energy is saved system automatically and can be adopted following method to show information among the present invention: when normal vehicle operation, electric energy is saved the main supply switch of system automatically and is opened, first indicator lamp of electric energy saving control system is bright, the expression system enters electric energy and saves control program, electric energy is saved system and can be worked, after the manual point of chaufeur has touched starting switch, first indicator lamp and second indicator lamp are simultaneously bright, electric energy saving system starts working, and detected vehicle speed signal and the actual power signal that uses presented to chaufeur by read-out, further, the electric energy that can also calculate current unit quantity can make the distance of described vehicle ' and present to chaufeur by read-out, and chaufeur can be known the power consumption situation of current vehicle speed intuitively thus.When chaufeur in short-term carry out manual operation the time, artificial action detection device 205 reporting systems quit work, this moment, the 3rd indicator lamp was bright, the expression system enters out-of-work state, carry out M/C by chaufeur at short notice, after the M/C of chaufeur stops, preferably, can design in the chaufeur shut-down operation after 5 seconds, work restarts in electric energy saving system, this moment, the 3rd indicator lamp extinguished, and first indicator lamp and second indicator lamp are bright again, and mode of operation restarts to enter in system.Having added read out instrument 206 makes electric energy save the use hommization more of system.
The embodiment of the invention is according to current driving speed and the actual relation of using power, judge whether current moving velocity is the moving velocity of saving electric energy most, thus vehicle is quickened or slow down, progressively moving velocity is adjusted to the speed of saving electric energy most, realized saving the purpose of electric energy.
The method that the embodiment of the invention provides a kind of electric energy to save automatically, on the basis of the system that the electric energy that embodiment 1 provides is saved automatically, describe, can be applied to adopt in all vehicles of acceleration pedal, with the example that is applied as in automobile, by current vehicle speed and the actual relation of using power, judge whether the current speed of a motor vehicle is the moving velocity of saving electric energy most, and increase or reduce moving velocity thus, realize saving the purpose of electric energy.Referring to Fig. 3, the method that the embodiment of the invention provides is specific as follows:
301: detect actual use power and the moving velocity of vehicle under current state, the actual electric flux of power that use as vehicle unit time internal consumption.
Concrete, the actual power detection device 201 that uses can be two electric energy measurement sensors, is arranged on total feeder ear of automobile, and calculates horsepower output according to total voltage of measuring and output total current.
With the automobile is example, and the signal of moving velocity can be directly obtains from the car speed sensor of vehicle output shaft, also can obtain from the wheel speed sensors of some wheels.
302: actual use power and the moving velocity current according to this vehicle, judge whether current moving velocity is the moving velocity of saving electric energy most, if not, then be judged as and make this vehicle reach the moving velocity of saving electric energy most, be to need to quicken or slow down.
Preferably, the embodiment of the invention is judged when automobile need quicken or quicken, can be adopted following method: in default time gap, use the power and the speed of a motor vehicle to detect to reality.Obtain thus at the actual use power at different time interval and the corresponding relation of the speed of a motor vehicle, and with the speed of a motor vehicle and the actual reference standard of using the ratio of power as utilization rate of electrical, be that the speed of a motor vehicle is big more with the actual ratio of power that uses, the electric energy that unit quantity is described makes the distance of running car far away more, and then the degree of utilization that travels of electric energy is also high more; Otherwise the degree of utilization that travels of electric energy is also low more.When judging, the speed of a motor vehicle that current detection is obtained and the actual ratio that uses power, detecting the speed of a motor vehicle that obtains with the last time compares with the actual ratio of power that uses, if the speed of a motor vehicle that current detection obtains is bigger with the actual ratio of power that uses, the degree of utilization that electric energy then is described has improved, then can further improve speed, if the speed of a motor vehicle that current detection obtains is less with the actual ratio of power that uses, the degree of utilization that travels that electric energy then is described has reduced, and then needs to underspeed to improve utilization rate of electrical.Carry out the adjustment of the speed of a motor vehicle according to said process, vehicle is adjusted near travelling near the speed of saving electric energy most.The current vehicle speed that obtains until detection equals the last speed of a motor vehicle and the actual ratio that uses power that obtains that detect with the actual ratio of power that uses, and illustrates that then utilization rate of electrical has reached the highest, travels with the speed of a motor vehicle of this moment and also just can save electric energy; If high moving velocity state is identical with comparative figure under the low moving velocity state, then at full speed is controlled target, purpose is to improve running efficiency.
Concrete, in embodiments of the present invention, can use the judgement that a singlechip chip quickens or slows down, in the process of this singlechip chip work, use the cooresponding signal of power according to reality, and the cooresponding signal of the speed of a motor vehicle, whether need quicken or slow down, realized the automation control of electric energy saving system thus, the collection of all signals if calculating, and the correlation computations of signal can be finished automatically by this singlechip chip, and generates the control signal that control is quickened or slowed down.
303:, correspondingly increase or reduce the moving velocity of this vehicle according to the judged result in 302.
Concrete, in embodiments of the present invention, by increasing or reduce the control signal of acceleration controller, to increase or to reduce the moving velocity of automobile.Acceleration controller is a throttle in automobile, and is preferred, in embodiments of the present invention, throttle increased or the amplitude that reduces is divided into 100 scalars, promptly not during step on the accelerator, the scalar of throttle is defined as 0, when throttle full open, the scalar of throttle is defined as 100.When increasing or reducing throttle, increase a scalar at every turn or reduce three scalars, thus, the change amount of gas is slowly to change, in the more stable place of road conditions, automobile can quicken or slow down slowly.And in the in-and-out place of road conditions, also can not cause the continuous unexpected increase of throttle and reduce, make that thus the driving of automobile is more stable, can not cause comfort property to descend.
On the other hand; the electric energy system that saves automatically that provides for the embodiment of the invention does not influence normal artificial the driving; whether also need has artificial operation to detect to vehicle; when detecting automobile artificial operation arranged; during as driver's step on the accelerator, control brake device or power-transfer clutch, then suspend or stop the work that electric energy is saved system automatically.Therefore, the electric energy of the embodiment of the invention is saved system's meeting compulsory withdrawal when the driver gets involved automatically, does not influence normal artificial the driving.
The method of the embodiment of the invention also can be applied in the vehicle that other indirect utilization electric energy directly travel, and as vehicle such as solar electric vehicle, nuclear energy battery-driven cars, concrete application process is identical with the application in automobile, repeats no more herein.
The embodiment of the invention is by judging current vehicle speed and the actual relation of using power, judge whether the current speed of a motor vehicle is the moving velocity of saving electric energy most, judge whether to increase or reduce throttle thus, and progressively moving velocity is adjusted to the moving velocity of saving electric energy most, realized saving the purpose of electric energy.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. the system that saves automatically of an electric energy is characterized in that described system comprises:
The actual power detection device that uses is used to detect the actual use power of vehicle under current state, and described actual use power is the electric flux of described vehicle unit time internal consumption;
The moving velocity signal supervisory instrument is used to detect the current moving velocity of described vehicle;
Electric energy is saved and is judged control setup, be used for according to the described actual actual use power that uses power detection device to detect and obtain, and the current driving speed of described moving velocity signal supervisory instrument detection, judge whether current moving velocity is the moving velocity of saving electric energy most, if not, then be judged as and make described vehicle reach the moving velocity of saving electric energy most, be to need to quicken or slow down, and transmit control signal to acceleration and deceleration control device, control the moving velocity that described acceleration and deceleration control device correspondingly increases or reduce described vehicle;
Acceleration and deceleration control device is used to receive described electric energy and saves the control signal of judging that control setup sends, and correspondingly increases or reduce the moving velocity of described vehicle according to described control signal.
2. the system that electric energy according to claim 1 is saved automatically is characterized in that described system also comprises:
Artificial action detection device, whether have artificial operation, if having, then send interrupt signal according to described manual operation to system if being used to detect described vehicle, and described electric energy is saved system automatically and is quit work or break-off after receiving described interrupt signal.
3. the system that electric energy according to claim 1 is saved automatically, it is characterized in that, described electric energy is saved and is judged that control setup is a singlechip chip, described electric energy is saved and is judged that control setup is according to the described actual signal of power and the signal of described moving velocity of using, in described singlechip chip, calculate, and export described control signal.
4. the system that electric energy according to claim 1 is saved automatically, it is characterized in that, the acceleration controller control signal of described acceleration and deceleration control device by increasing described vehicle is to increase the moving velocity of described vehicle, acceleration controller control signal by reducing described vehicle to be reducing the moving velocity of described vehicle, and increases or the amount of the acceleration controller control signal that reduces is default scalar value.
5. the system that electric energy according to claim 1 is saved automatically is characterized in that,
Described electric energy is saved and is judged control setup, be used for specifically that moving velocity and the actual power that uses to described vehicle detects in each default time gap, and calculate the moving velocity and the actual ratio that uses power of the described vehicle in each time gap; With current driving speed and the actual ratio that uses power, detecting the moving velocity that obtains with the last time compares with the actual ratio of power that uses, if more than or equal to, then controlling described acceleration and deceleration control device increases the moving velocity of described vehicle, if less than, then control the moving velocity that described acceleration and deceleration control device reduces described vehicle.
6. the system that electric energy according to claim 1 is saved automatically is characterized in that described system also comprises:
Read out instrument, the moving velocity signal and the actual power signal that uses that are used for detecting described vehicle show; And when described system normal operation the signal of display system normal operation, when described artificial action detection device detects artificial operation, the display system break-off, recover Control work or out-of-work signal.
7. the electric energy method of saving automatically is characterized in that described method comprises:
Detect the actual use power of vehicle under current state, described actual use power is the electric flux of described vehicle unit time internal consumption;
Detect the current moving velocity of described vehicle;
According to current actual use power and the moving velocity of described vehicle that detects, judge whether current moving velocity is the moving velocity of saving electric energy most, if not, then be judged as and make described vehicle reach the moving velocity of saving electric energy most, be to need to quicken or slow down;
According to described judged result, correspondingly increase or reduce the moving velocity of described vehicle.
8. the method that electric energy according to claim 7 is saved automatically is characterized in that described method also comprises:
Whether have artificial operation, if having, then stop or suspending the work that described electric energy is saved automatically if detecting described vehicle.
9. the method that electric energy according to claim 7 is automatically saved is characterized in that, described increase or reduce the moving velocity of described vehicle comprises:
Acceleration controller control signal by increasing described vehicle is to increase the moving velocity of described vehicle, or the acceleration controller control signal by reducing described vehicle to be reducing the moving velocity of described vehicle, and increases or the amount of the acceleration controller control signal that reduces is default scalar value.
10. the method that electric energy according to claim 7 is saved automatically is characterized in that described being judged as makes described vehicle reach the moving velocity of saving electric energy most, and being needs also to comprise before acceleration or the deceleration:
Moving velocity and the actual power that uses to described vehicle in default time gap detect, and compare the moving velocity and the actual ratio that uses power of the described vehicle in each time gap;
Described being judged as makes described vehicle reach the moving velocity of saving electric energy most, and being needs to quicken or slow down, and comprising:
With current driving speed and the actual ratio that uses power, detect the moving velocity that obtains with the last time and compare with the actual ratio of power that uses, if more than or equal to, judge that then described vehicle need gather way; If less than, judge that then described vehicle need reduce speed.
11. the method that electric energy according to claim 7 is saved automatically is characterized in that described method also comprises:
The moving velocity signal and the actual power signal that uses of detected described vehicle are shown; When detecting described vehicle and can carry out work that electric energy saves normally, show the signal that normally carries out electric energy saving work, when detecting artificial operation, display halt or stop the signal of electric energy saving work.
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| CN2009100672563A CN101941387A (en) | 2009-07-09 | 2009-07-09 | Vehicle automatic electric energy saving system and method |
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| CN2009100672563A CN101941387A (en) | 2009-07-09 | 2009-07-09 | Vehicle automatic electric energy saving system and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103998320A (en) * | 2011-12-14 | 2014-08-20 | 西门子公司 | Method for optimized operation of an electrically driven rail vehicle on a predefined route |
| CN110893852A (en) * | 2018-08-24 | 2020-03-20 | 贯闳科技股份有限公司 | Speed regulating device for automobile and motorcycle |
| CN111824962A (en) * | 2020-07-10 | 2020-10-27 | 义乌恒邦建筑智能科技有限公司 | Device and method for detecting electric energy of tower crane and limiting power operation |
-
2009
- 2009-07-09 CN CN2009100672563A patent/CN101941387A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103998320A (en) * | 2011-12-14 | 2014-08-20 | 西门子公司 | Method for optimized operation of an electrically driven rail vehicle on a predefined route |
| US9358993B2 (en) | 2011-12-14 | 2016-06-07 | Siemens Aktiengesellschaft | Method for optimized operation of an electrically driven rail vehicle on a predefined route |
| CN103998320B (en) * | 2011-12-14 | 2017-07-28 | 西门子公司 | Method for most optimally running electrically driven (operated) rail vehicle on default route |
| CN110893852A (en) * | 2018-08-24 | 2020-03-20 | 贯闳科技股份有限公司 | Speed regulating device for automobile and motorcycle |
| CN110893852B (en) * | 2018-08-24 | 2020-12-15 | 贯闳科技股份有限公司 | Speed control device for vehicle |
| CN111824962A (en) * | 2020-07-10 | 2020-10-27 | 义乌恒邦建筑智能科技有限公司 | Device and method for detecting electric energy of tower crane and limiting power operation |
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Application publication date: 20110112 |