CN102069727A - Speed regulation control system of double-speed motor used as electric vehicle main power - Google Patents
Speed regulation control system of double-speed motor used as electric vehicle main power Download PDFInfo
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Abstract
The invention discloses a speed regulation control system of a double-speed motor used as the electric vehicle main power, comprising a battery pack, a DC (direct current)-DC voltage transformation module, an electronic throttle, a vehicle speed controller, a speed changing plate, a vehicle speed sensor, a motor driver and a double-speed motor, wherein the vehicle speed controller is composed of a power module, a CPU (central processing unit) module, an analog input module, an analog output module, a digital quantity input module and a digital quantity output module; the speed changing plate comprises a first contactor, a second contactor and a third contactor; and the vehicle speed controller controls connection and disconnection of the first contactor, the second contactor and the third contactor by receiving a vehicle speed feedback signal sent by the vehicle speed sensor and a vehicle speed setup signal sent by the electronic throttle. By adopting the control system provided by the invention, the advantages of smooth double-speed switch between a low speed and a high speed, zero power consumption of the speed changing plate as well as and energy conservation and environment protection are achieved, thus maintaining dynamic performance of traditional oil-fueled vehicles and driving habits.
Description
Technical field
The present invention relates to double-speed motor control technology field, particularly relate to the speed-adjusting and control system of a kind of electronlmobil active force with double-speed motor.
Background technology
Along with urbanization and sustainable development, electronlmobil is compared fuel-engined vehicle because of anti-emission carburetor, the advantage of environmental protection and have vast potential for future development, electronlmobil will reach the acceleration in short-term of traditional fuel-engined vehicle, high moment of torsion, tractive performance such as run at high speed, the essential heavy-duty motor that is equipped with, and in the city traffic congestion, when travelling under the bad situation of road conditions such as low-grade highway, the speed of a motor vehicle can not run, usefulness is low during the heavy-duty motor operation, certainly lead to energy dissipation, influence the preceence of pure electric automobile aspect energy-conserving and environment-protective, the two is difficult to take into account in the tractive performance of brilliance and energy-conserving and environment-protective.Therefore, double-speed motor is used in pure electric automobile.But the electronlmobil of using double-speed motor will reach the driving habit that double speed took over seamlessly and kept orthodox car, then is an industry recognized techniques difficult problem.
At present, the double-speed motor of prior art is applied to electronlmobil and mainly has following problem.
1. existing 400V, the double-speed motor of 30KW is in the driving way, therefore its current value is the highest near 200 amperes,, need to be equipped with 3 large-sized DC contactless switchs or 9 single channel electromagnetic switchs, have at least during driving a DC contactor coil or 3 single channel electromagnetic switchs need electric adhesive.The coil power dissipation of this large-sized DC contactless switch or single channel electromagnetic switch reaches hectowatt, but the electric energy power consumption of self coil is not used for driving automobile traveling, causes very big energy dissipation.
2. when employing double-coil contactor, its principle of work were the adhesive action, the coil that power consumption is bigger or two coils were switched on together, coil blackout that power consumption is bigger when adhesive puts in place, and another coil keeps energising, with the attracting state of the device of keeping in touch.Though it is comparatively energy-conservation that this double-coil contactor is compared the unicoil contactless switch of traditional big power consumption, still more than 50W, energy-saving effect is poor for its power consumption.
3. traditional electric automobile is under the situation of having only an E-gas and motor driver, the driver will make automobile go to from low speed and run at high speed, can not quicken by pin step on the accelerator mode on earth as traditional fuel-engined vehicle, but want slowly to step on earlier E-gas, with the maximum speed V1 of car acceleration to low speed driving, complete then loose pin, E-gas is made zero, step on E-gas more fast (because of the wait time actuator after making zero stops output, for keeping the required vehicle velocity V 1 of throw-over, pitch time can not be above 1 second), can realize the switching of motor from low-speed operation mode to the high-speed cruising pattern.This mode is difficult to accomplish taking over seamlessly of low speed and two kinds of patterns of high speed, can't reach the tractive performance of traditional fuel-engined vehicle, and change the driving habit of orthodox car, makes the driver be difficult to adapt to.
Summary of the invention
The electronlmobil active force that the objective of the invention is to avoid weak point of the prior art and a kind of efficient energy-saving is provided is with the speed-adjusting and control system of double-speed motor, realize taking over seamlessly of electronlmobil double speed, keep the tractive performance and the driving habit of traditional fuel-engined vehicle.
Purpose of the present invention realizes by following technical measures.
The speed-adjusting and control system of a kind of electronlmobil active force with double-speed motor is provided, include battery pack, DC-DC voltage transformation module, E-gas, speed of a motor vehicle controller, the throw-over plate, car speed sensor, motor driver and double-speed motor, described motor driver includes drive plate and control desk, the input end of described DC-DC voltage transformation module is connected with described battery pack, the DC12V power output end of described DC-DC voltage transformation module is connected with the power input of described car speed sensor, the DC24V power output end of described DC-DC voltage transformation module is connected with the control power input of described motor driver, and the power input of described motor driver is connected with described battery pack.
Wherein, described speed of a motor vehicle controller is made up of power module, CPU module, analog quantity load module, analog output module, digital quantity input module and digital quantity output module, and described power module is connected with the 24V power output end of described DC-DC voltage transformation module.
Wherein, described throw-over plate includes first contactless switch, second contactless switch and the 3rd contactless switch, described first contactless switch includes first closing coil, first trip coil, first mechanical lock, first often opens the secondary contact and first normally closed auxiliary contact, described second contactless switch includes second closing coil, second trip coil, second mechanical lock, second often opens the secondary contact and second normally closed auxiliary contact, and described the 3rd contactless switch includes the 3rd closing coil, the 3rd trip coil, the 3rd mechanical lock, the 3rd often opens secondary contact and the 3rd normally closed auxiliary contact.
Wherein, after described second closing coil was switched on 0.1 second, the described second contactless switch closure, the described second mechanical lock self-locking, described second contactless switch in described second closing coil outage back is kept closed; Described first trip coil, the energising of the 3rd trip coil are after 0.1 second, described first mechanical lock, the 3rd mechanical lock release, described first contactless switch, the 3rd contactless switch disconnect, after described first trip coil, the outage of the 3rd trip coil, described first contactless switch, the 3rd contactless switch keep off-state; Described first contactless switch, the 3rd contactless switch disconnect, the described second contactless switch closure, and described throw-over plate is in low-speed mode work.
Wherein, described first closing coil, the energising of the 3rd closing coil are after 0.1 second, described first contactless switch, the 3rd contactless switch closure, described first mechanical lock, the 3rd mechanical lock self-locking, described first closing coil, described first contactless switch in the 3rd closing coil outage back, the 3rd contactless switch are kept closed; After described second trip coil was switched on 0.1 second, the described second mechanical lock release, described second contactless switch disconnects, and after described second trip coil outage, described second contactless switch keeps off-state; Described first contactless switch, the 3rd contactless switch closure, described second contactless switch disconnects, and described throw-over plate is in fast mode work.
Wherein, described digital quantity input module includes input end a, input end b, input end c and input end d, described input end a is connected with the switching value mouth of described car speed sensor, described input end b and described first often drives secondary contact and is connected, described input end c and described second often drives secondary contact and is connected, and described input end d and the described the 3rd often drives secondary contact and is connected.
Wherein, described digital quantity output module includes output terminals A, mouth B, mouth C, mouth D, mouth E, mouth F; Described output terminals A is connected with described first normally closed auxiliary contact, described first normally closed auxiliary contact is connected with described first closing coil, described mouth B is connected with described first trip coil, described mouth C is connected with described the 3rd normally closed auxiliary contact, described the 3rd normally closed auxiliary contact is connected with described the 3rd closing coil, described mouth D is connected with described the 3rd trip coil, described mouth E is connected with described second normally closed auxiliary contact, described second normally closed auxiliary contact is connected with described second closing coil, and described mouth F is connected with described second trip coil.
Wherein, described analog quantity load module is used to receive the analog quantity input voltage AI1 of described E-gas transmission and be converted into numerical value: AIW1=AI1 * 32000/5, wherein, the AI1 value is [0V, 5V].
Wherein, described analog output module is converted to analog quantity output voltage AQ1 by described CPU module with analog quantity input voltage AI1, then described analog quantity output voltage AQ1 is sent to the rotating speed that described motor driver is controlled described double-speed motor.
Wherein, described E-gas is provided with displacement pickup, and described displacement pickup produces described analog quantity voltage AII and sends described analog quantity load module to.
Wherein, described displacement pickup is linear hall sensor, adjustable resistance or absolute value encoder.
Wherein, described double-speed motor is double speed brshless DC motor, double speed permagnetic synchronous motor, double speed three-phase squirrel cage motor or double speed asynchronous dynamo.
Beneficial effect of the present invention:
The electronlmobil active force speed-adjusting and control system of double-speed motor, include battery pack, DC-DC voltage transformation module, E-gas, speed of a motor vehicle controller, the throw-over plate, car speed sensor, motor driver and double-speed motor, described motor driver includes drive plate and control desk, the input end of described DC-DC voltage transformation module is connected with described battery pack, the 12V power output end of described DC-DC voltage transformation module is connected with the power input of described car speed sensor, the DC24V power output end of described DC-DC voltage transformation module is connected with the control power input of described motor driver, and the power input of described motor driver is connected with described battery pack; Described speed of a motor vehicle controller is made up of power module, CPU module, analog quantity load module, analog output module, digital quantity input module and digital quantity output module, and described power module is connected with the 24V power output end of described DC-DC voltage transformation module; Described throw-over plate includes first contactless switch, second contactless switch and the 3rd contactless switch, use above-mentioned three contactless switchs, when described throw-over plate when low-speed mode is worked, described first contactless switch, the 3rd contactless switch disconnect, the described second contactless switch closure, when described throw-over plate when fast mode is worked, described first contactless switch, the 3rd contactless switch closure, described second contactless switch disconnects.0.1 second handoff procedure time spent of this double speed mode, the maximum 0.2W of the power consumption that first contactless switch, second contactless switch and the 3rd contactless switch produce, whole zero-powers when running car and parking, energy-saving effect is remarkable, The whole control system has realized the low speed and the high-revolving seamless connection of double-speed motor, makes electronlmobil not only reach the tractive performance of traditional fuel-engined vehicle but also kept original driving habit.
Description of drawings
The present invention will be further described to utilize accompanying drawing, but the content in the accompanying drawing does not constitute any limitation of the invention.
Fig. 1 is the control circuit schematic diagram of electronlmobil active force of the present invention with the speed-adjusting and control system of double-speed motor.
Fig. 2 is the throw-over power circuit schematic diagram of electronlmobil active force of the present invention with the speed-adjusting and control system of double-speed motor.
Fig. 3 is the diagram of circuit of electronlmobil active force of the present invention with the embodiment 2 of the speed-adjusting and control system of double-speed motor.
Fig. 4 is the E-gas signature tune line chart of electronlmobil active force of the present invention with the speed-adjusting and control system of double-speed motor.
Fig. 5 is the speed governing diagram of curves of electronlmobil active force of the present invention with the speed-adjusting and control system of double-speed motor.
Fig. 6 is the speed regulation process diagram of curves of electronlmobil active force of the present invention with the speed-adjusting and control system of double-speed motor.
E-gas, the corresponding diagram of curves of the speed of a motor vehicle when Fig. 7 is an electronlmobil active force of the present invention with the ideal effect of the speed-adjusting and control system of double-speed motor.
Include among Fig. 1 to Fig. 7:
Speed of a motor vehicle controller 4, power module 41, CPU module 42, analog quantity load module 43, analog output module 44, digital quantity input module 45, digital quantity output module 46;
Double-speed motor 7;
Throw-over plate 8;
The first contactless switch KM1, the first closing coil KM1A, the first trip coil KM1E, the first normally closed auxiliary contact KM1.1, first often open secondary contact KM1.2;
The second contactless switch KM2, the second closing coil KM2A, the second trip coil KM2E, the second normally closed auxiliary contact KM2.1, second often open secondary contact KM2.2;
The 3rd contactless switch KM3, the 3rd closing coil KM3A, the 3rd trip coil KM3E, the 3rd normally closed auxiliary contact KM3.1, the 3rd often open secondary contact KM3.2;
Input end aI0.0, input end b I1.0, input end c I1.1, input end d I1.2;
Output terminals A Q0.0, mouth B Q0.1, mouth C Q0.2, mouth D Q0.3, mouth E Q0.4, mouth F Q0.5.
The specific embodiment
The invention will be further described with the following Examples.
The embodiment 1 of the speed-adjusting and control system of electronlmobil active force usefulness double-speed motor of the present invention as depicted in figs. 1 and 2, include battery pack 1, DC-DC voltage transformation module 2, E-gas 3, speed of a motor vehicle controller 4, throw-over plate 8, car speed sensor 5, motor driver 6, double-speed motor 7, described motor driver 6 includes drive plate 61 and control desk 62, the input end of described DC-DC voltage transformation module is connected with described battery pack 1, the 12V power output end of DC-DC voltage transformation module 2 is connected with the power input of described car speed sensor 5, the DC24V power output end of DC-DC voltage transformation module 2 is connected with the control power input of motor driver 6, and the power input of motor driver 6 is connected 1 with described battery pack.
In the present embodiment, throw-over plate 8 includes the first contactless switch KM1, the second contactless switch KM2 and the 3rd contactless switch KM3, the first contactless switch KM1 includes the first closing coil KM1A, the first trip coil KM1E, first mechanical lock, the first normally closed auxiliary contact KM1.1 and first often opens secondary contact KM1.2, the second contactless switch KM2 includes the second closing coil KM2A, the second trip coil KM2E, second mechanical lock, the second normally closed auxiliary contact KM2.1 and second often opens secondary contact KM2.2, and the 3rd contactless switch KM3 includes the 3rd closing coil KM3A, the 3rd trip coil KM3E, the 3rd mechanical lock, the 3rd normally closed auxiliary contact KM1.1 and the 3rd often opens secondary contact KM1.2.The speed of a motor vehicle setting signal that speed of a motor vehicle controller 4 sends by the speed of a motor vehicle feedback signal that receives car speed sensor 5 and send and E-gas 3 is controlled closure and the disconnection of the first contactless switch KM1, the second contactless switch KM2 and the 3rd contactless switch KM3.
In the present embodiment, speed of a motor vehicle controller 4 is made up of power module 41, CPU module 42, analog quantity load module 43, analog output module 44, digital quantity input module 45 and digital quantity output module 46, and power module 41 is connected with the 24V power output end of DC-DC voltage transformation module 2.
Concrete, analog quantity load module 43 is used to receive the analog quantity input voltage AI1 that E-gas 3 transmits, and is scaled numerical value AIWI:AIW1=AI1 * 32000/5, and the AI1 value is [0V, 5V], and the corresponding relation of AI1 and AIWI is as shown in Figure 4.
Concrete, analog output module 44 is converted to analog quantity output voltage AQ1 by CPU module 42 with analog quantity input voltage AI1, send analog quantity output voltage AQ1 to motor driver 6 then, thus the rotating speed of control double-speed motor 7, and the corresponding relation of AQ1 and vehicle velocity V is as shown in Figure 5.
Concrete, digital quantity input module 45 is used to detect the current still open circuited state of closure that is in of current vehicle velocity V and the first contactless switch KM1, the second contactless switch KM2 and the 3rd contactless switch KM3.Digital quantity input module 45 includes input end a I0.0, input end b I1.0, input end c I1.1 and input end d I1.2, wherein, input end aI0.0 is connected with the switching value mouth of car speed sensor 5, input end bI1.0 and first often opens secondary contact KM1.2 and is connected, input end c I1.1 and second often opens secondary contact KM2.2 and is connected, and input end d I1.2 and the 3rd often opens secondary contact KM3.2 and is connected.
Concrete, digital quantity output module 46 is used for controlling closing coil and the trip coil of the first contactless switch KM1, the second contactless switch KM2, the 3rd contactless switch KM3.Digital quantity output module 46 includes output terminals A Q0.0, mouth B Q0.1, mouth C Q0.2, mouth D Q0.3, mouth E Q0.4, mouth F Q0.5, output terminals A Q0.0 is connected with the first normally closed auxiliary contact KM1.1, the first normally closed auxiliary contact KM1.1 is connected with the first closing coil KM1A, mouth B Q0.1 is connected with the first trip coil KM1E, mouth C Q0.2 is connected with the 3rd normally closed auxiliary contact KM3.1, the 3rd normally closed auxiliary contact KM3.1 is connected with the 3rd closing coil KM3A, mouth D Q0.3 is connected with the 3rd trip coil KM3E, mouth E Q0.4 is connected with the second normally closed auxiliary contact KM2.1, the second normally closed auxiliary contact KM2.1 is connected with the second closing coil KM2A, and mouth F Q0.5 is connected with the second trip coil KM2E.
In the present embodiment, when throw-over plate 8 when low-speed mode is worked, the first contactless switch KM1, the 3rd contactless switch KM3 disconnect, the second contactless switch KM2 closure, the twin coil series connection of double-speed motor 7, connect with single star fashion, satisfied the needs of electronlmobil low current, the startup of high moment of torsion and energy-efficient operation, its principle of work is as follows:
Give second closing coil KM2A energising after 0.1 second, the second contactless switch KM2 closure, the second mechanical lock self-locking, at this moment, after second closing coil KM2A outage, the second contactless switch KM2 still is kept closed, the work of the second contactless switch KM2 zero-power; Give the first trip coil KM1E, the 3rd trip coil KM3E energising after 0.1 second, first mechanical lock, the 3rd mechanical lock release, the first contactless switch KM1, the 3rd contactless switch KM3 disconnect, at this moment, after the first trip coil KM1E, the 3rd trip coil KM3E outage, the first contactless switch KM1, the 3rd contactless switch KM3 keep off-state, at this moment, and the first contactless switch KM1, the 3rd contactless switch KM3 Zero-power-consumption standby;
When throw-over plate 8 when fast mode is worked, the first contactless switch KM1, the 3rd contactless switch KM3 closure, the second contactless switch KM2 disconnects, the twin coil parallel connection of double-speed motor 7, connect in the double star mode, satisfied the demand of the tractive performance that electronlmobil runs at high speed, its principle of work is as follows:
Give the first closing coil KM1A, the 3rd closing coil KM3A energising after 0.1 second, the first contactless switch KM1, the 3rd contactless switch KM3 closure, first mechanical lock, the 3rd mechanical lock self-locking, at this moment, after the first closing coil KM1A, the 3rd closing coil KM3A outage, the first contactless switch KM1, the 3rd contactless switch KM3 are kept closed, the first contactless switch KM1, the work of the 3rd contactless switch KM3 zero-power; Give second trip coil KM2E energising after 0.1 second, the second mechanical lock release, the second contactless switch KM2 disconnects, and at this moment, after second trip coil KM2E outage, the second contactless switch KM2 keeps off-state, the second contactless switch KM2 Zero-power-consumption standby.
In the present embodiment, E-gas 3 is provided with displacement pickup 31, and displacement pickup 31 sends analog quantity voltage signal AI1 to analog quantity load module 43.Concrete, displacement pickup 31 is linear hall sensor, adjustable resistance or absolute value encoder.
Concrete, car speed sensor 5 is Hall switch, magslip or photoelectric encoder.
Embodiment 2.
Electronlmobil active force of the present invention is extremely shown in Figure 7 as Fig. 1 with the embodiment 2 of the speed-adjusting and control system of double-speed motor, and at first, system need preestablish following parameter value:
1, manually control throw-over plate 8 double-speed motor 7 is worked under low-speed mode, the maximum speed V1 when measuring AQ1=5V is used for throw-over relatively, and throw-over vehicle velocity V 2, V2=V1-1 are set;
2, manually control throw-over plate 8 double-speed motor 7 is worked under fast mode, the maximum speed V3 when measuring AQ1=5V (km/h);
3, manually control throw-over plate 8 double-speed motor 7 is worked under fast mode, measure the magnitude of voltage AQ1 when vehicle velocity V=V1, and be converted into analog quantity output valve AQW1.The AQ1 value of this moment is set at U10, AQW1 value at this moment is set at W10.Conversion formula is: W10=32000XU10/5, see Fig. 5;
4, setting W11 is the throw-over point, is used for controlling the change action of throw-over plate.
In the present embodiment, set the W11 value for getting the peaked intermediate value of AIW1, promptly W11=32000/2 sees Fig. 4.
Then, realize double-speed motor 7 taking over seamlessly by following steps at low speed and two kinds of mode of operations of high speed:
Steps A: according to the difference of the angle position of the pedal of current E-gas, the analog quantity voltage AI1 that its inbuilt displacement sensor transmits 0-5V gives speed of a motor vehicle controller, and speed of a motor vehicle controller is converted into the AIW1 value with analog quantity input voltage AI1 value, as shown in Figure 4:
AIW1=AI1 * 32000/5, AI1 value are [0V, 5V].
When the pedal of E-gas 3 is totally released, AI1=0V; When the pedal of E-gas 3 is floored, AI1=5V.
In the present embodiment, according to the position angle of the pedal of E-gas 3, displacement pickup 31 sends analog quantity input voltage AI1 to the analog quantity load module 43 of speed of a motor vehicle controller 4.
Step B: detect current vehicle speed V, the input end a of the digital quantity input module 45 of speed of a motor vehicle controller 4 receives the impulse singla of car speed sensor 5 transmissions and converts current vehicle speed V to and stored:
V=P1/P2 * d * 3.14 * 3600/1000, wherein, V represents the speed of a motor vehicle, and P1 represents the per second pulse number, and P2 represents wheel revolution pulse number, and d represents wheel diameter.
Step C: detect the state of the first contactless switch KM1 by input end b I1.0, detect the state of the second contactless switch KM2, detect the state of the 3rd contactless switch KM3 by input end d I1.2 by input end c I1.1.
Step D: whether judge the AIW1 value less than W11, if, continue step D1, otherwise, step e continued.
In the present embodiment,, be operated in low-speed mode by throw-over plate 8 control double-speed motors 7 when AIW1 value during less than W11, at this moment, the first contactless switch KM1, the 3rd contactless switch KM3 disconnect, the second contactless switch KM2 closure, the twin coil series connection of double-speed motor 7 connects with single star fashion;
When AIW1 value during greater than W11, be operated in fast mode by throw-over plate 8 control double-speed motors 7, the first contactless switch KM1, the 3rd contactless switch KM3 closure, the second contactless switch KM2 disconnects.The twin coil parallel connection of double-speed motor connects in the double star mode.
Specifically realize by following steps:
Step D1: judge whether contactless switch KM1 is in off-state, if continue step D2; Otherwise,, return steps A by the trip coil KM1E energising that mouth BQ0.1 gives contactless switch KM1.
Step D2: judge whether contactless switch KM3 is in off-state, if continue step D3; Otherwise,, return steps A by the trip coil KM3E energising that mouth DQ0.3 gives contactless switch KM3.
Step D3: judge whether contactless switch KM2 is in closure state, if continue step D4; Otherwise,, return steps A by the closing coil KM2A energising that mouth EQ0.4 gives contactless switch KM2.
Step D4: by the closing coil KM2A outage that mouth EQ0.4 gives contactless switch KM2, contactless switch KM2 continues step D5 by the mechanical self-latching closure.
Step D5: according to formula W 1=AIW1 * 32000/ W11, the setting value W1(that calculates AQW1 sees Fig. 7), continue step D6.
Step D6: whether judge the AQW1 value greater than W1, if, AQW1=W1 is set, continue step D7; If not, AQW1=AQW1+5 is set, returns steps A.
Step D7: whether judge AQW1 greater than 32000, if, AQW1=32000 is set, return steps A; Otherwise, return steps A.
Step e: whether judge V greater than V2, if, continue step e 1, otherwise, step D1 continued.
Step e 1: judge whether contactless switch KM2 is in off-state, if continue step e 2; Otherwise,, return steps A by the trip coil KM2E energising that mouth FQ0.5 gives contactless switch KM2.
Step e 2: judge whether contactless switch KM3 is in closure state, if continue step e 3; Otherwise,, return steps A by the closing coil KM3A energising that mouth CQ0.2 gives contactless switch KM3.
Step e 3: by the closing coil KM3A outage that mouth CQ0.2 gives contactless switch KM3, contactless switch KM3 continues step e 4 by the mechanical self-latching closure.
Step e D4: judge whether contactless switch KM1 is in closure state, if continue step e 5; Otherwise,, return steps A by the closing coil KM1A energising that output terminals A Q0.0 gives contactless switch KM1.
Step e 5: with the closing coil KM1A outage of contactless switch KM1, contactless switch KM1 continues step e 6 by the mechanical self-latching closure.
Step e 6: according to formula W 2=[(AIW1-W11) * (32000-W10)/(32000-W11)]+W10, the setting value W2(that calculates AQW1 sees Fig. 7), continue step e 7.
Step e 7: whether judge speed of a motor vehicle control signal AQW1 greater than W2, if, AQW1=W2 is set, continue step e 8; Otherwise, AQW1=AQW1+5 is set, return steps A.
Step e 8: whether judge AQW1 greater than 32000, if, AQW1=32000 is set, return steps A; Otherwise, turn back to steps A.
In the present embodiment, the effect of step e is: no matter E-gas step on how soon have, how dark, this step control motor starts under low speed, high torque (HT) state all the time, just changes to after motor speed gets up at a high speed
Mode operation, the stall phenomenon in the time of effectively avoiding the direct fast mode of motor to start takes place, and is embodied in the running car phenomenon and then is automobile and do not stop shake and advance, and the speed of a motor vehicle can not run all the time.
In the present embodiment, the effect of step e 6 is: keep conformability, homogeneity, the anti-sudden change of speed governing rate of curve to be realized by the W2 computing formula.
In the present embodiment, system converts AIW1 value (as shown in Figure 4) and throw-over point W11 to and compares by receiving E-gas analog quantity input voltage AI1; Reception car speed sensor impulse singla is converted into current vehicle speed V and throw-over vehicle velocity V 2 compares; High, low speed pattern with control throw-over plate, simultaneously by setting analog quantity output valve AQW1 (as shown in Figure 6) in the 0-32000 scope, adjust the analog quantity output voltage AQ1 size of analog output module 44, thus the rotating speed (as shown in Figure 5) of control double-speed motor 7.
As shown in Figure 5:
Low-speed mode: V=V1 * W1/32000,
Fast mode: V=[(W2-W10) * (V3-V1)/(32000-W10)]+V1;
As shown in Figure 6:
Low-speed mode: AQW1=W1=AIW1 * 32000/W11,
Fast mode: AQW1=W2=[(AIW1-W11) * (32000-W10)/(32000-W11)]+W10;
Thus, can derive:
Low-speed mode: V=V1 * AIW11/W11
Fast mode: V=[(AIW1-W11) * (V3-V1)/(32000-W11)]+V1.
In the present embodiment, the driving effect that final chaufeur is experienced as shown in Figure 7, the angle of efp is from the maximum angle to the zero degree, the cooresponding speed of a motor vehicle is zero to the max speed V3, linear fully, do not have sudden change, speed change is mild, each angle of efp all corresponding a unique speed of a motor vehicle.
Should be noted that at last; above embodiment only is used to illustrate technical scheme of the present invention but not limiting the scope of the invention; although the present invention has been done detailed description with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the essence and the scope of technical solution of the present invention.
Claims (10)
1. the electronlmobil active force is with the speed-adjusting and control system of double-speed motor, it is characterized in that: include battery pack, DC-DC voltage transformation module, E-gas, speed of a motor vehicle controller, the throw-over plate, car speed sensor, motor driver and double-speed motor, described motor driver includes drive plate and control desk, the input end of described DC-DC voltage transformation module is connected with described battery pack, the DC12V power output end of described DC-DC voltage transformation module is connected with the power input of described car speed sensor, the DC24V power output end of described DC-DC voltage transformation module is connected with the control power input of described motor driver, and the power input of described motor driver is connected with described battery pack;
Described speed of a motor vehicle controller is made up of power module, CPU module, analog quantity load module, analog output module, digital quantity input module and digital quantity output module, and described power module is connected with the 24V power output end of described DC-DC voltage transformation module;
Described throw-over plate includes first contactless switch, second contactless switch and the 3rd contactless switch, described first contactless switch includes first closing coil, first trip coil, first mechanical lock, first often opens the secondary contact and first normally closed auxiliary contact, described second contactless switch includes second closing coil, second trip coil, second mechanical lock, second often opens the secondary contact and second normally closed auxiliary contact, and described the 3rd contactless switch includes the 3rd closing coil, the 3rd trip coil, the 3rd mechanical lock, the 3rd often opens secondary contact and the 3rd normally closed auxiliary contact.
2. the electronlmobil active force as claimed in claim 1 speed-adjusting and control system of double-speed motor, it is characterized in that: described second closing coil energising is after 0.1 second, the described second contactless switch closure, the described second mechanical lock self-locking, described second contactless switch in described second closing coil outage back is kept closed; Described first trip coil, the energising of the 3rd trip coil are after 0.1 second, described first mechanical lock, the 3rd mechanical lock release, described first contactless switch, the 3rd contactless switch disconnect, after described first trip coil, the outage of the 3rd trip coil, described first contactless switch, the 3rd contactless switch keep off-state; Described first contactless switch, the 3rd contactless switch disconnect, the described second contactless switch closure, and described throw-over plate is in low-speed mode work.
3. the electronlmobil active force as claimed in claim 1 speed-adjusting and control system of double-speed motor, it is characterized in that: described first closing coil, the energising of the 3rd closing coil are after 0.1 second, described first contactless switch, the 3rd contactless switch closure, described first mechanical lock, the 3rd mechanical lock self-locking, described first closing coil, described first contactless switch in the 3rd closing coil outage back, the 3rd contactless switch are kept closed; After described second trip coil was switched on 0.1 second, the described second mechanical lock release, described second contactless switch disconnects, and after described second trip coil outage, described second contactless switch keeps off-state; Described first contactless switch, the 3rd contactless switch closure, described second contactless switch disconnects, and described throw-over plate is in fast mode work.
4. the electronlmobil active force as claimed in claim 1 speed-adjusting and control system of double-speed motor, it is characterized in that: described digital quantity input module includes input end a, input end b, input end c and input end d, described input end a is connected with the switching value mouth of described car speed sensor, described input end b and described first often drives secondary contact and is connected, described input end c and described second often drives secondary contact and is connected, and described input end d and the described the 3rd often drives secondary contact and is connected.
5. the electronlmobil active force as claimed in claim 1 speed-adjusting and control system of double-speed motor, it is characterized in that: described digital quantity output module includes output terminals A, mouth B, mouth C, mouth D, mouth E, mouth F; Described output terminals A is connected with described first normally closed auxiliary contact, described first normally closed auxiliary contact is connected with described first closing coil, described mouth B is connected with described first trip coil, described mouth C is connected with described the 3rd normally closed auxiliary contact, described the 3rd normally closed auxiliary contact is connected with described the 3rd closing coil, described mouth D is connected with described the 3rd trip coil, described mouth E is connected with described second normally closed auxiliary contact, described second normally closed auxiliary contact is connected with described second closing coil, and described mouth F is connected with described second trip coil.
6. the electronlmobil active force as claimed in claim 1 speed-adjusting and control system of double-speed motor, it is characterized in that: described analog quantity load module is used to receive the analog quantity input voltage AI1 of described E-gas transmission and be converted into numerical value AIW1:AIW1=AI1 * 32000/5, wherein, the AI1 value is [0V, 5V].
7. the electronlmobil active force as claimed in claim 1 speed-adjusting and control system of double-speed motor, it is characterized in that: described analog output module is converted to analog quantity output voltage AQ1 by described CPU module with analog quantity input voltage AI1, then described analog quantity output voltage AQ1 is sent to the rotating speed that described motor driver is controlled described double-speed motor.
8. the electronlmobil active force as claimed in claim 1 speed-adjusting and control system of double-speed motor, it is characterized in that: described E-gas is provided with displacement pickup, and described displacement pickup produces analog quantity voltage AII and also sends described analog quantity load module to.
9. the electronlmobil active force as claimed in claim 8 speed-adjusting and control system of double-speed motor, it is characterized in that: described displacement pickup is linear hall sensor, adjustable resistance or absolute value encoder.
10. the electronlmobil active force as claimed in claim 1 speed-adjusting and control system of double-speed motor, it is characterized in that: described double-speed motor is double speed brshless DC motor, double speed permagnetic synchronous motor, double speed three-phase squirrel cage motor or double speed asynchronous dynamo.
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| CN2039478U (en) * | 1988-09-24 | 1989-06-14 | 沈阳市长征电器设备厂 | Control box for double-speed motor |
| CN1555991A (en) * | 2003-12-31 | 2004-12-22 | 上汽集团奇瑞汽车有限公司 | Mixed power car control system |
| CN200959587Y (en) * | 2006-07-14 | 2007-10-10 | 河南新机股份有限公司 | Controller of double-speed asynchronous motor |
| CN200959589Y (en) * | 2006-09-29 | 2007-10-10 | 上海海尔集成电路有限公司 | 8-bit RISC micro-controller frame |
| US20080112694A1 (en) * | 2006-11-13 | 2008-05-15 | Matsushita Electric Industrial Co. Ltd. | Electric motor speed controller for vehicle |
| CN101554863A (en) * | 2009-05-19 | 2009-10-14 | 鞠文涛 | Control system of electric automobile |
| CN201536344U (en) * | 2009-09-27 | 2010-07-28 | 武汉金路达电机有限公司 | On-line electric pole-changing speed regulation control circuit for two-speed motor |
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2010
- 2010-12-31 CN CN201010617330A patent/CN102069727B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2039478U (en) * | 1988-09-24 | 1989-06-14 | 沈阳市长征电器设备厂 | Control box for double-speed motor |
| CN1555991A (en) * | 2003-12-31 | 2004-12-22 | 上汽集团奇瑞汽车有限公司 | Mixed power car control system |
| CN200959587Y (en) * | 2006-07-14 | 2007-10-10 | 河南新机股份有限公司 | Controller of double-speed asynchronous motor |
| CN200959589Y (en) * | 2006-09-29 | 2007-10-10 | 上海海尔集成电路有限公司 | 8-bit RISC micro-controller frame |
| US20080112694A1 (en) * | 2006-11-13 | 2008-05-15 | Matsushita Electric Industrial Co. Ltd. | Electric motor speed controller for vehicle |
| CN101554863A (en) * | 2009-05-19 | 2009-10-14 | 鞠文涛 | Control system of electric automobile |
| CN201536344U (en) * | 2009-09-27 | 2010-07-28 | 武汉金路达电机有限公司 | On-line electric pole-changing speed regulation control circuit for two-speed motor |
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