CN101830184B - Electric locomotive with mutual transmission control between electric motor and wheels - Google Patents
Electric locomotive with mutual transmission control between electric motor and wheels Download PDFInfo
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- CN101830184B CN101830184B CN201010166570XA CN201010166570A CN101830184B CN 101830184 B CN101830184 B CN 101830184B CN 201010166570X A CN201010166570X A CN 201010166570XA CN 201010166570 A CN201010166570 A CN 201010166570A CN 101830184 B CN101830184 B CN 101830184B
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- electrical motor
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- acceleration device
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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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Abstract
The invention relates to an electric locomotive with mutual transmission control between an electric motor and wheels, at least comprising the electric motor, a starting switch, an accelerating device, a control circuit, a drive circuit and the wheels, wherein a mutual transmission function is formed between the electric motor and the wheels, the switching between a driving mode and a generating mode exists between the electric motor and the wheels, the driving mode is prior to the generating mode to avoid causing unsmooth driving, uncomfortable riding and dangers caused by losing power, and the electric locomotive is provided with a micro power assistant in a dragging mode to drive the wheels when the electric locomotive dragged, thereby vehicles can be easily operated to go forwards and fall back.
Description
Technical field
The present invention relates to a kind of electric locomotive, refer to that especially a kind of electrical motor also can be by the electric locomotive of the control of transmission each other between the electrical motor of wheel drive rotation and wheel.
Background technology
At present, the manufacturing technology of electric locomotive has been in lasting progress and development, noticeable part still is confined to its technology that is relevant to the battery aspect, technology such as electric power storage, charging aspect, yet, with still most of to continue to use existing locomotive in relevant technologies that the peripheral unit of electric locomotive combines, namely the peripheral techniques of existing locomotive take engine as power is as main.
Existing generation mode has a change-over switch, drive pattern or power generation mode with manual switchover electrical motor (as motor), and when entering power generation mode, be the constant load generating, can cause the variation of large impedance of moment, cause driving have some setbacks and drive uncomfortable.
Moreover change-over switch can be arranged on tap handle, for the driver, sets, but, when change-over switch produces abnormal or misoperation, can cause electric locomotive to run out of steam, and produces without expected danger.
Separately, the electric locomotive of transmission each other between this kind electrical motor and wheel, advance or retreat lead car the time, can be because of the passive rotation of the rotation drive motor of wheel, this transmission or because of the frictional resistance of mechanism between driving system, or the cogging torque (Coggingtorque) that produces because of electrical motor itself etc. makes the driver must expend more strength to remove to lead car, inconvenience very.
So, how to avoid aforementioned disappearance, be a present instant problem on the problem of electric locomotive.
Summary of the invention
Main purpose of the present invention, be to provide the electric locomotive that between a kind of electrical motor and wheel, transmission is each other controlled, and the switching between drive pattern and power generation mode is arranged, and drive pattern has precedence over power generation mode.
An of the present invention purpose, be with the incremental generating, to carry out when power generation mode, to avoid driving, has some setbacks.
A further object of the present invention, be changeable one-tenth power generation mode when brake, and the auxiliary force of electrical motor brake (being similar engine brake) is arranged, and produces in the lump the electric power recharging galvanic action simultaneously.
Another object of the present invention, be to be to provide a kind of being in to lead under the car state, can provide the traction mode of auxiliary power slightly, the inconvenience that affects to alleviate vehicle.
Therefore, the present invention is for reaching above-mentioned purpose, be to provide the electric locomotive that between a kind of electrical motor and wheel, transmission is each other controlled, this electric locomotive comprises an electrical motor, a starting switch, a control circuit, an acceleration device, one drive circuit and wheel at least, being connected for transmission each other between this electrical motor and wheel, and between drive pattern, power generation mode, switch, and this drive pattern has precedence over this power generation mode.
The invention has the beneficial effects as follows: the present invention adopts between electrical motor and wheel drive control mode each other, make and can between drive pattern, power generation mode, switch, and drive pattern has precedence over the control of power generation mode, it when power generation mode, is the generating of incremental, can avoid driving to have some setbacks, drive uncomfortable etc., and, one can produce the brake circuits of brake signal, brake under certain condition is changeable is power generation mode, has the brake auxiliary force of electrical motor brake (being similar engine brake) also to form in the lump the generating effect; Separately, lower of traction mode provides the auxiliary power that can drive vehicle wheel rotation, vehicle is advanced or retreat lead row, light power can be reached and be easy to lead the car operation.
The accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention;
Fig. 2 is the diagram of circuit that the present invention automatically switches on drive pattern and power generation mode;
Fig. 3 is the curve synoptic diagram of the incremental power generation values that provides of control circuit of the present invention;
Fig. 4 is the diagram of circuit that drive pattern of the present invention has precedence over power generation mode;
Fig. 5 is that the present invention is in the diagram of circuit of a traction mode;
Fig. 6 is the PWM of the present invention under power generation mode and the comparison diagram of existing generating PWM.
The primary clustering nomenclature:
The electric locomotive that between 1 electrical motor and wheel, transmission is each other controlled
2 electrical motors
3 starting switches
4 control circuits
5 acceleration devices
6 driving circuits
7 wheels
8 rotating speed sensing apparatus
9 rotation direction sensors
10 other input/output devices
The specific embodiment
By describing technology contents of the present invention, structural attitude in detail, being realized purpose and effect, below in conjunction with embodiment and coordinate accompanying drawing to be explained in detail.
Please refer to Fig. 1, mean the structural representation of one embodiment of the invention; The electric locomotive 1 that between the electrical motor of the present embodiment and wheel, transmission is each other controlled, comprise an electrical motor 2, a starting switch 3, a control circuit 4, an acceleration device 5, one drive circuit 6 and wheel 7 at least.
Control circuit 4 is electrically connected with starting switch 3 (as key switch), acceleration device 5, driving circuit 6, more can be connected with other input/output devices 10 (as brake circuits).Control circuit 4 can be according to the signal control drive circuit 6 of start between being electrically connected to drive this electrical motor 2.
And driving circuit 6 is electrically connected with electrical motor 2, and being connected of electrical motor 2 and wheel 7 formation transmissions each other, such as this wheel 7 is trailing wheel.Separately, electrical motor 2 connects a rotating speed sensing apparatus 8 and rotation direction sensors 9, and rotating speed sensing apparatus 8 and rotation direction sensor 9 be electrically connected with control circuit 4 again, adopts the setting of rotating speed sensing apparatus 8 and rotation direction sensor 9, with the rotating speed of detecting electrical motor 2 with turn to.
Please also refer to Fig. 2 and Fig. 3, wherein, Fig. 2 represents that the present invention automatically switches on the diagram of circuit of drive pattern and power generation mode, and Fig. 3 represents the diagram of curves of the incremental power generation values that control circuit of the present invention provides.The step that the electric locomotive 1 that between electrical motor of the present invention and wheel, transmission is each other controlled automatically switches on drive pattern and power generation mode is expressed as follows:
Step S11: driving circuit 6 is in a drive pattern;
Step S12: the state of control circuit 4 detecting acceleration devices 5;
Step S13: control circuit 4 judges whether the order of acceleration device 5 is zero (being whether electrical motor 2 is the power output state); If the order of acceleration device 5 non-vanishing (being that electrical motor 2 is the power output state), get back to step S12, control circuit 4 continues detecting;
Step S14: if when the order of acceleration device 5 is zero (the unpowered output of electrical motor 2), rotating speed sensing apparatus 8 is sent to control circuit 4 by the tachometer value signal of electrical motor 2 and is recorded as a natural rotating speed;
Step S15: rotating speed sensing apparatus 8 continues an actual speed of detecting electrical motor 2, and this actual speed refers to that electrical motor 2 is no longer under power running, and the wheel that this electrical motor is traveling rotation drives the rotating speed that turns round; This actual speed signal also is sent to control circuit 4;
Step S16: control circuit 4 judges that whether actual speed is greater than natural rotating speed;
Step S17: if actual speed is the reduction phenomenon and, less than natural rotating speed, gets back to step S12;
Step S18: if actual speed is and increases phenomenon and during greater than natural rotating speed, control circuit 4 is controlled driving circuits 6 and entered power generation mode, and the generating (as shown in Figure 3) that makes driving circuit 6 allow electrical motor 2 produce incrementals;
Step S19: the condition of power generation mode is removed in control circuit 4 detectings one, as meets, and namely controls driving circuit 6 and removes power generation mode and get back to step S12.
Wherein, the condition of removing power generation mode comprises that actual speed is formed by start and do not make zero etc. lower than natural rotating speed, acceleration device.separately, the present invention after tested, when this nature rotation speed change is actual speed under the driving system of continuous variable speed, or because of the transmission factor of inter-module, this actual speed may be changed to a lower rotating speed, therefore aforementioned actual speed is greater than or less than the ratio of nature rotating speed, namely need to be to increase, subtract or process in some numerical value such as percentage speed, natural rotating speed or actual speed are done to the adjustment (for example the nature rotating speed be processed into to 80% numerical value or actual speed increased to 120% numerical value) on numerical value, and then nature rotating speed and actual speed are done to comparing or applying in logic.Certainly if for mechanical rigid interlock (as wheel shell-type motor), the ratio of 1: 1 is arranged namely between electrical motor and wheel.
Therefore, adopt above-mentioned steps, can overcome the technical matters of the necessary Manual Transfer Switch of prior art, can automatically switch to power generation mode (as when at descent run), and because the generating of incremental is arranged, the human discomfort that the driving that causes therefore run into the large variation of impedance generation suddenly in the time of can avoiding driving a vehicle has some setbacks and drives.Please refer to Fig. 6, the expression PWM schematic diagram of the present invention under power generation mode, see through the PWM switch in order to explanation and control, and the time that can control generating switch ON is cumulative and cumulative power generation values arranged.Certainly, the modulation that the control of this kind power generation values can increase or subtract, can carry out little electric weight generating under high rotating speed, the related request of storage battery to restrictions such as charging current, charging valtages while recharging to meet generating.
Other input/output devices 10 of the present invention can be brake circuits, by brake signal, trigger to switch to power generation mode, have under the brake auxiliary force of electrical motor brake (being similar engine brake) and also form in the lump the generating effect.This brake circuits tool one BK Brake Switch, BK Brake Switch can be the coupled switch in lever brake, be used as BK Brake Switch while starting to brake and be unlocked, this brake circuits namely produces a brake signal, makes control circuit 4 be controlled driving circuit 6 electrical motor 2 is switched to power generation mode.But, the order that this prerequisite that switches to power generation mode by brake signal is acceleration device 5 is just can switch under zero condition, therefore, brake switching of the present invention, must be zero order and brake signal binary signal and leave at acceleration device 5, just can switch to power generation mode, this generating is also to carry out with the generating of incremental.
Please refer to Fig. 4, represent that drive pattern of the present invention has precedence over the diagram of circuit of power generation mode, the step that this drive pattern must have precedence over power generation mode is expressed as follows:
Step S21: driving circuit 6 is in power generation mode;
Step S22: the state of control circuit 4 detecting acceleration devices 5;
Step S23: control circuit 4 judges whether the order of acceleration device 5 is zero;
Step S24: if the order of acceleration device 5 is zero person, remains power generation mode, and get back to step S22;
Step S25: if the order of acceleration device 5 is non-vanishing, control circuit 4 is automatically controlled driving circuit 6 and is entered drive pattern.
Therefore, by above-mentioned drive pattern, must be had precedence over the step of power generation mode, can reach the demand of controlling, for example when hill start, need brake, accelerate under operation simultaneously, locomotive should be drive pattern but not power generation mode.
Please refer to Fig. 5, expression the present invention leads the diagram of circuit of car pattern in one.When vehicle is affected, the rotation meeting driving electric machine of wheel forms passive rotation, this drive or because of the frictional resistance of mechanism between driving system, or the resistances such as cogging torque (Cogging torque) that produce because of electrical motor itself, causing vehicle to lead row is difficult for and requires great effort, and lead the car situation or have to lead from crowded space, can't drive lead the row etc. (as light current or other mechanism's factors), therefore the present invention designs a traction mode, can provide power-assisted slightly, and the step of traction mode is expressed as follows:
Step S301: control circuit 4 is activated;
Step S302: whether the order of control circuit 4 detecting acceleration devices 5 is zero;
Step S303: the non-vanishing step S302 that gets back to of the order of acceleration device 5;
Step S312: the order of control circuit 4 detecting acceleration devices 5 is under zero condition, and the actual speed of rotating speed sensing apparatus 8 and rotation direction sensor 9 detecting electrical motors 2 and turning to, and is sent to control circuit 4.Wherein, actual speed is namely that electrical motor 2 is driven the rotating speed that rotates by wheel;
Step S313: control circuit 4 judges whether the order of acceleration device 5 is zero, and judges whether the actual speed of electrical motor 2 is zero; If the non-vanishing step S302 that gets back to of the order of acceleration device 5; If the order of acceleration device 5 is zero, but the non-vanishing person of the actual speed of electrical motor 2 gets back to step S312; If the order of acceleration device 5 is zero, and the actual speed of electrical motor 2 is that zero person arrives step S314;
Step S314: rotating speed sensing apparatus 8 and rotation direction sensor 9 are detected the actual speed of electrical motors 2 and turn to, and are sent to control circuit 4;
Step S315: control circuit 4 judges that whether actual speed is more than or equal to a minimum value of being scheduled to low engine speed range; If actual speed, less than the minimum value person of predetermined low engine speed range, is got back to step S314;
Step S316: if actual speed is more than or equal to the minimum value person of predetermined low engine speed range, control circuit 4 is controlled driving circuit 6 and is entered traction mode, allow electrical motor 2 with a predetermined auxiliary output strength rotating-wheel 7, and auxiliary strength direction is turning to of last time detecting (can be step S314 or step S320 detect turn to);
Step S317: the actual speed of rotating speed sensing apparatus 8 detecting electrical motors 2, and whether the order of detecting acceleration device 5 is zero, and be sent to control circuit 4;
Step S318: control circuit 4 judges that actual speed is whether in a predetermined low engine speed range, and judge whether the order of acceleration device 5 is zero; If the non-vanishing step S302 that gets back to of the order of acceleration device 5;
Step S319: if the order of acceleration device 5 is zero and actual speed person in predetermined low engine speed range, remains origin operation (namely be in traction mode and auxiliary power is provided), and get back to step S317;
Step S320: if the order of acceleration device 5 be zero and actual speed less than predetermined low engine speed range person, cancel the traction auxiliary power, but control circuit 4 is detected and be sent to the rotating speed of remaining traction mode with turning to;
Step S330: control circuit 4 judges that actual speed is whether in a predetermined low engine speed range, and judge whether the order of acceleration device 5 is zero; If the non-vanishing step S302 that gets back to of the order of acceleration device 5; If actual speed is greater than 0 but, less than the minimum value person of predetermined low engine speed range, get back to step S320; If actual speed, more than or equal to the minimum value person of predetermined low engine speed range, is got back to step S316, this moment, auxiliary strength direction turned to for step S320 last time detects;
Step S321: if the order of acceleration device 5 be zero and actual speed greater than predetermined low engine speed range person, remain traction mode, but stop providing auxiliary power;
Step S322: the actual speed of rotating speed sensing apparatus 8 and rotation direction sensor 9 detecting electrical motors 2 and turn to and whether the order of acceleration device 5 is zero, and be sent to control circuit 4;
Step S323: control circuit 4 judges that whether actual speed is greater than the maxim of being scheduled to low engine speed range, and whether the order of acceleration device 5 is zero; If actual speed, greater than the maxim person of predetermined low engine speed range, is got back to step S321; If when the order of acceleration device 5 is non-vanishing, get back to step S302;
Step S324: if actual speed is less than or equal to the maxim person of predetermined low engine speed range, remains traction mode and recover auxiliary power, returning step S317.
Wherein, preferably, for the predetermined low engine speed range of continuous variable speed system, can be set in 250RPM between 1500RPM, but, not as limit, can set on demand, and the auxiliary power that drives vehicle wheel rotation also can be set on demand.Separately, whether the aforementioned actual speed that judges electrical motor 2 is that zero judgment mode is for best, but also can adopt zero to less than the arbitrary rotating speed between this predetermined low engine speed range minimum value or should the interval rotating speed as judgment value, or zero, arbitrary rotating speed, interval rotating speed etc. are abandoned to judgement, do not hinder the enforcement of traction mode yet, but may increase some unnecessary auxiliary power outputs, thereby cause power wastage.Aforementioned actual speed is less than or greater than predetermined low engine speed range person, and the judgement of remaining traction mode but stopping providing auxiliary power is arranged, and this judgement also can adopt the mode of cancelling traction mode to replace, and does not also hinder the enforcement of traction mode.
Therefore, by above-mentioned electrical motor 2 and 7 transmissions each other of wheel, control, and the switching between drive pattern, power generation mode is arranged, and with drive pattern, have precedence over the control of power generation mode, and when power generation mode, be the generating of incremental, can avoid driving to have some setbacks, drive uncomfortable etc., and, one can produce the brake circuits of brake signal, and brake under certain condition is changeable is power generation mode, has the brake auxiliary force of electrical motor brake (being similar engine brake) also to form in the lump the generating effect; Separately, lower of traction mode provides the auxiliary power that can drive vehicle wheel rotation, vehicle is advanced or retreat lead row, light power can be reached and be easy to lead the car operation.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification sheets of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present invention.
Claims (3)
1. the electric locomotive that between an electrical motor and wheel, transmission is each other controlled, this electric locomotive comprises an electrical motor, a starting switch, an acceleration device, a control circuit, one drive circuit and wheel at least; This electrical motor, starting switch, acceleration device and driving circuit and control circuit are electrically connected, and control circuit is according to the signal control drive circuit that transmits between being electrically connected to drive this electrical motor, and this driving circuit comprises a PWM switch; It is characterized in that:
This electrical motor is for driving the drive pattern of vehicle wheel rotation, and the passive rotation of wheel driving electric machine of rotating; The order of this acceleration device is zero, and this electrical motor is unpowered output state; The order of this acceleration device is non-vanishing, and this electrical motor is the power output state; Whether this control circuit is zero to control driving circuit according to the order of acceleration device, to drive this electrical motor, between drive pattern, power generation mode, switches, and wherein, this drive pattern has precedence over this power generation mode;
This electrical motor electrically connects a rotating speed sensing apparatus, and this rotating speed sensing apparatus and this control circuit are electrically connected, the order of this acceleration device is the zero consequently unpowered output of this electrical motor, this control circuit first records a natural tachometer value according to this rotating speed sensing apparatus, this rotating speed sensing apparatus is detected the actual speed value that this electrical motor is driven by wheel again, greater than this nature tachometer value and be while continuing to increase state, this control circuit is controlled this driving circuit and is entered this power generation mode by electrical motor when this actual speed value; Lower than natural tachometer value, or the order of this acceleration device is non-vanishing when the actual speed value, and this control circuit is controlled this driving circuit and entered drive pattern by electrical motor.
2. the electric locomotive that between electrical motor according to claim 1 and wheel, transmission is each other controlled is characterized in that: but that this power generation mode is the PWM switch of described driving circuit is cumulative according to the time of PWM switch open under power generation mode, the power generation mode that makes the cumulative modulation of power generation values.
3. the electric locomotive that between electrical motor according to claim 1 and wheel, transmission is each other controlled is characterized in that: this actual speed value or natural tachometer value are through increasing, subtract or in the speed value after the percentage adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010166570XA CN101830184B (en) | 2010-04-20 | 2010-04-20 | Electric locomotive with mutual transmission control between electric motor and wheels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010166570XA CN101830184B (en) | 2010-04-20 | 2010-04-20 | Electric locomotive with mutual transmission control between electric motor and wheels |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310078689.5A Division CN103241320B (en) | 2010-04-20 | 2010-04-20 | Electric motor car with motor and wheels in mutual transmission control and control method of mutual transmission control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101830184A CN101830184A (en) | 2010-09-15 |
| CN101830184B true CN101830184B (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010166570XA Expired - Fee Related CN101830184B (en) | 2010-04-20 | 2010-04-20 | Electric locomotive with mutual transmission control between electric motor and wheels |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101519034A (en) * | 2009-04-01 | 2009-09-02 | 奇瑞汽车股份有限公司 | Power system of mixed power automobile and control method thereof |
| CN101565042A (en) * | 2009-05-12 | 2009-10-28 | 奇瑞汽车股份有限公司 | Driving controlling method and device of hybrid electric vehicle |
| CN101624018A (en) * | 2009-08-03 | 2010-01-13 | 奇瑞汽车股份有限公司 | Regenerative braking system of electric vehicle and control method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040002090A (en) * | 2002-06-29 | 2004-01-07 | 현대자동차주식회사 | Motor controlling apparatus for hybrid electric vehicle and method |
| CN1895941A (en) * | 2005-07-15 | 2007-01-17 | 中国第一汽车集团公司 | Control for increasing mixed-kinetic braking-energy recovery of automobile |
| JP2009038922A (en) * | 2007-08-02 | 2009-02-19 | Mitsubishi Motors Corp | Regenerative braking force controller for electric vehicle |
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2010
- 2010-04-20 CN CN201010166570XA patent/CN101830184B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101519034A (en) * | 2009-04-01 | 2009-09-02 | 奇瑞汽车股份有限公司 | Power system of mixed power automobile and control method thereof |
| CN101565042A (en) * | 2009-05-12 | 2009-10-28 | 奇瑞汽车股份有限公司 | Driving controlling method and device of hybrid electric vehicle |
| CN101624018A (en) * | 2009-08-03 | 2010-01-13 | 奇瑞汽车股份有限公司 | Regenerative braking system of electric vehicle and control method thereof |
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