Start-stop control system of automatic dual-clutch transmission and start-stop control method
Technical Field The invention relates to the technical field of automobiles, and more particularly relates to a dual-clutch automatic transmission on-off control system and on-off control method. Background Art The currently used in the automatic transmission, transmission of the energy-saving function is to start the control strategy of the power assembly system of a part of the very important. The control strategy of the start and stop of the automatic transmission is directly related to fuel-saving efficiency of the whole power system, the working principle is to stop the vehicle, when the engine is in a idling state, the engine can be automatically closed, when the driver has the will of starting the vehicle, the engine can automatically start-up. Starting and stopping the whole vehicle technology as a level of fuel-saving technology, the acceptability of the user must be taken into account the durability of the vehicle and, at the same time discharge cannot be increased. In the prior art, in the double-clutch in the automatic transmission lies in the difficulty of the realize start-stop function, when the engine is not rotating, the oil pump of the transmission to establish the necessary oil pressure, the synchronizer, and the clutch actuating mechanism will not be able to carry out the corresponding function operation. Content of the invention The purpose of this invention lies in, provides a dual-clutch automatic transmission start/stop control system, in order to effectively solve the problems of the prior art in the start-stop of the vehicle when the vehicle is started the control system of the engine is not rotating will not be able to establish the necessary oil pressure problem. A dual-clutch automatic transmission start/stop control system, comprises an engine, the transmission and is arranged in the transmission and the engine clutch and 2nd 1st between the clutch, the double-clutch automatic transmission on-off control system also includes a mounting in the transmission of the starting motor on the oil pump of the oil pump, and the oil pump starting motor and the battery is electrically connected with the transmission control unit, the transmission control unit is used for receiving the vehicle signal and judging the condition of the vehicle, the vehicle signal including battery status signal, vehicle speed signal, brake pedal position signal, shift handle position signal and the throttle pedal position signal; said transmission control unit judges that the vehicle is in a starting condition, starting the oil pump starting motor, the starting motor of the oil pump is the electric energy that is stored by the battery to rotate and drive the oil pump rotating in order to establish the main oil pressure; said transmission control unit determines the source when the vehicle is in a stopped condition, closing the engine. In the present invention a particular embodiment, the transmission control unit determines that the battery can work normally, brake pedal is steps on, and from the shift handle R/D P/N gear the gear is switched to, the transmission control unit generates a motor starting signal, so that the oil pump start motor starting. In the present invention a particular embodiment, the transmission control unit judges that the brake pedal is depressed, the accelerator pedal is not depressed, the vehicle speed is zero and the shifting handle P/N D/R gear from the gear is switched to, the transmission control unit sends a request signal in order to close the engine flameout of the engine. In the present invention a particular embodiment, the lift stop control system also includes a synchronizer actuating mechanism, the transmission control unit according to the stated vehicle signal request signal issued by the target gear, the synchronizer actuating mechanism according to the target gear shift control operation of the request signal, the completion of the transmission gear switch. In the present invention a particular embodiment, the lift stop control system further comprises a clutch actuating mechanism, the transmission control unit according to the stated vehicle signal is sent out clutch pressure request signal, the clutch actuating mechanism according to the clutch pressure request signal to the combined operation of a clutch. In the present invention a particular embodiment, the lift stop control system also comprises an engine control unit, the transmission control unit according to the stated vehicle signal is sent out clutch input request torque signal, the engine control unit according to said clutch input request torque signal to control the rotational speed of the engine. In the present invention a particular embodiment, the lift stop control system also includes a generator and generator 2nd 1st, the 2nd 1st generator and the generator are respectively mounted on the transmission input shaft and 1st 2nd input shaft, said transmission input shaft and 1st 2nd respectively during the rotation of the input shaft drives the generator and the 1st 2nd generator rotate at the same time, the two the generator of the induction electromotive force generated by the rotating and converted into electric energy stored in the battery. The invention also relates to a use of the above-mentioned dual-clutch automatic transmission to start on-off control method of the control system, comprising the following steps: Step one: the transmission control unit receives battery status signal, vehicle speed signal, brake pedal position signal, shift handle position signal and the accelerator pedal position signal and judges the operating condition of the vehicle; Step two: the transmission control unit judges that the vehicle is in a stopped condition, closing said engine; and Step three: the transmission control unit judges that the vehicle is in a starting condition, starting the oil pump starter motor drives the oil pump rotating in order to establish the main oil pressure, in order to offer to the synchronizer actuating mechanism and in the implementation of the clutch actuating mechanism when operating, then starting the engine and by the engine drives the oil pump is running, and then shut off and the oil pump starting motor. In the present invention a particular embodiment, the specific content of the above-mentioned second step comprises: The transmission control unit determines whether the brake pedal has been depressed, the accelerator is fully released and the vehicle speed is zero, is the implementation of the following steps; The transmission control unit determines whether the brake pedal has been depressed, the accelerator is fully released, from the shift handle P/N and files D/R gear switching to whether the vehicle speed is zero, if YES, executing the following steps; The transmission control unit sends a draws back the files signal to the synchronizer control actuating mechanism; draws back the files the synchronizer the actuating mechanism to operate; and draws back the files after the completion, the transmission control unit sends a request engine flame-out signal to the engine control unit makes said engine off. In the present invention a particular embodiment, the above-mentioned step three specifically comprises: The transmission control unit determines whether the brake pedal has been from the shift handle steps on, and P/N gear switching to R/D gear, if it is, the implementation of the following steps; The transmission control unit sends a start motor signal to the starting motor of the oil pump, the oil pump start motor starting and drive the oil pump rotating in order to establish the main oil pressure; The transmission control unit generates a shift signal to said synchronizer actuating mechanism, the synchronizer actuating mechanism for completing the pre-shift operation; The transmission control unit sends a request engine starting signal to the engine control unit makes said engine starting, at the same time, the transmission control unit sends a closing signal to make the motor stop the rotation of a starting motor of the oil pump; The transmission control unit sends a clutch pressure request signal to the clutch actuating mechanism, the combined operation of clutch half-completed; and The transmission control unit sends a clutch input request torque signal to the engine control unit in order to control the rotating speed of the engine, the clutch actuating mechanism according to the current state of the transmission clutch pressure is increased, in order to transmit the power for the vehicle start. The beneficial effect of the invention is, the present invention dual-clutch automatic transmission system and on-off control by the on-off control method of the oil pump of the speed change gear is provided with an additional oil pump starting motor, in the starting process of the vehicle, the transmission control unit according to vehicle signal send out starting motor signal, the oil pump start rotation of the motor drives the oil pump rotating in order to establish the main oil pressure, to provide synchronizer actuating mechanism, the clutch actuating mechanism, effectively solves the problems of the prior technology in vehicle starting and stopping of the engine is not rotating will not be able to establish the necessary the main oil pressure problem. Furthermore, the invention also by the input shaft and the 1st 2nd generator is installed with two of the input shaft, the input shaft and the 1st 2nd rotation of the input shaft drives a generator to rotate, inductive electromotive force issued by the generator is converted into electric energy to be stored in an external of the storage battery, the electric energy that is stored in the accumulator will be when the function of the transmission to carry out starting and stopping the starting motor of the oil pump on the pump carrying, makes the present invention dual-clutch automatic transmission on-off control system can effectively reduce the fuel consumption and pollution emission, fuel improve the energy-saving efficiency. The above description is only an overview of the technical scheme of the invention, in order to be able to more clearly understand the technical means of the present invention, and can be implemented in accordance with the content of the specification, and in order to let the invention the above and other purposes, features and advantages can be more clearly understood, the following lifts especially a preferred embodiment, and the Figure, the following is a description in detail. Description of drawings Figure 1 is a structure diagram of dual-clutch automatic transmission on-off control system of an embodiment of the present invention. Figure 2 is a schematic diagram of the module start dual-clutch automatic transmission control system of an embodiment of the present invention. Figure 3 is flow chart of start dual-clutch automatic transmission control method of an embodiment of the present invention. Figure 4 is flow chart of start dual-clutch automatic transmission control method in the control when the vehicle stops of an embodiment of the present invention. Figure 5 is flowchart of dual-clutch automatic transmission on-off control method when the vehicle is started in the control of an embodiment of the present invention. Mode of execution For a further elaboration of the invention in order to achieve a predetermined purpose of invention the technical means and efficacy, the following binding with photos and a preferred embodiment, the specific embodiments of the invention, structure, characteristic and its efficacy, as a detailed description. Please refer to the Figure 1 and Figure 2, the embodiment of the invention dual-clutch automatic transmission on-off control system includes the engine 11, transmission 12, is arranged in the transmission 12 and the engine 11 of the clutch 1st between 13 and 2nd clutch 14, is installed on the transmission 12 of the oil pump 15, the oil pump on the starter motor 16, and the oil pump starting motor 16 is electrically connected with the battery 17 and the transmission control unit 20. Wherein the transmission control unit 20 is used for receiving a vehicle signal, vehicle signal including battery status signal, vehicle speed signal, brake pedal position signal, shift handle position signal and the accelerator pedal position signal, in the process of starting the vehicle the transmission control unit 20 according to vehicle signal judge whether the vehicle is in a starting condition and starting oil pump starting motor 16, the oil pump starting motor 16 the storage battery 17 of the electric energy stored is rotated and drives the oil pump 15 to rotate in order to establish the main oil pressure, in the process of stopping the vehicle and the transmission control unit 20 according to vehicle signal judge whether the vehicle is in a stopped condition and shut off the engine 11. Please continue refer to fig. 2, the embodiment of the double-clutch automatic transmission on-off control system also includes a battery state sensor 21, a vehicle speed sensor 22, brake pedal position sensor 23, shift handle position sensor 24 and a throttle pedal position sensor 25. Wherein the battery state sensor 21 is used for sensing the state of the storage battery and transmitting the state signal to the transmission control unit 20 ; the vehicle speed sensor 22 for sensing the speed of the vehicle and sends a speed signal to the transmission control unit 20 ; the brake pedal position sensor 23 is used for sensing the position of a brake pedal and sends a brake pedal position signal to the transmission control unit 20 ; shift handle position sensor 24 for sensing the position of the shift handle and transmission shift handle position signal to the transmission control unit 20 ; an accelerator pedal position sensor 25 for sensing the position of the accelerator pedal and sends the accelerator pedal position signal to the transmission control unit 20. Please continue refer to fig. 2, in this embodiment, the present invention dual-clutch automatic transmission on-off control system also includes a synchronizer actuating mechanism 26. During vehicle starting, or if the vehicle is in the stopped process, the transmission control unit 20 according to the vehicle signal request signal issued by the target gear, synchronizer actuating mechanism 26 according to the target gear shift control operation of the request signal. Wherein the request signal includes the target gear shift signal and draws back the files signal, specifically, the transmission control unit 20 receives the shift handle to the position signal from the shift handle D/R gear (forward/reverse) switching to P/N gear (park/neutral), the transmission control unit 20 a signal draws back the files ; the transmission control unit 20 receives the shift handle to the position signal from the shift handle P/N gear switching to R/D gear, the transmission control unit 20 a gear signal. Please continue refer to fig. 2, in this embodiment, the present invention dual-clutch automatic transmission control system further includes a start clutch actuator 27. The transmission control unit 20 according to a request signal of the signal pressure of the clutch, clutch actuating mechanism 27 based on the clutch pressure request signal to the combined operation of a clutch. Please continue refer to fig. 2, in this embodiment, the present invention dual-clutch automatic transmission on-off control system also comprises an engine control unit 28. The transmission control unit 20 a signal according to the vehicle clutch input request torque signal, engine control unit 28 based on the clutch input request torque signal control the engine 11 actuation. The embodiment of the invention dual-clutch automatic transmission start/stop control of the vehicle system is mainly used for the red light in the encountered control start and stop of the vehicle, its specific working principle is as follows: Encountered in the driving process of a vehicle when the red light, the driver release the accelerator, the brake pedal and the shift handle from D/R gear (forward/reverse) switching to P/N gear (park/neutral) the vehicle is stopped, at this moment the transmission control unit 20 receives battery status signal, vehicle speed signal, brake pedal position signal, shift handle position signal and the accelerator pedal position signal and judges that the vehicle speed is zero, the brake pedal is depressed, from the shift handle D/R gear switching to P/N gear, and in the shift handle P/N gear stay reaches a preset time (for example, 3 seconds) is not of the brake pedal after the accelerator pedal is not depressed and, at this moment the transmission control unit 20 sends the target gear the request signal (the signal draws back the files) to the synchronizer actuating mechanism 26, synchronizer actuating mechanism 26 draws back the files operation implementation, the synchronizer actuating mechanism 26 after draws back the files is completed, the transmission control unit 20 sending out the request engine flame-out signal to the engine control unit 28 in order to shut off the engine 11. When the red light after variable green light, the driver on the brake pedal and the shift handle from P/N R/D gear shift is switched to the vehicle starting, at this moment the transmission control unit 20 receives battery status signal, brake pedal position signal and the shift handle position signal and judges that the battery can work normally, brake pedal is steps on, and P/N gear from the shift handle switch over to R/D gear, the transmission control unit 20 a signal to the starter motor starting motor of the oil pump 16, pump starting motor 16 after the signal received through the starting motor 17 to rotate so that the own the electric energy that is stored and drives the oil pump 15 to rotate in order to establish the main oil pressure, in order to offer to the synchronizer actuating mechanism 26 and clutch actuating mechanism 27 using. After the transmission control unit 20, according to the shift handle position signal from the shift handle gear R/D P/N gear is switched to a target gear position request signal (shift signal), synchronizer actuating mechanism 26 according to the target gear shift operation for completing the pre-request signal. Furthermore, the transmission control unit 20 sending out the request engine starting signal to the engine control unit 28 in order to start the engine 11, the engine 11 is started and drives the oil pump 15 running, the transmission control unit 20 sending out and closing the motor signal the oil pump starting motor 16 stops rotating, in other words, the oil pump 15 at this moment from the pump starting motor 16 to be driven to operate into the engine 11 to be driven to operate. Furthermore, the transmission control unit 20 sends clutch pressure request signal to the clutch actuating mechanism 27, the combined operation of clutch half-completed. Finally, the transmission control unit 20 sends the clutch input request torque signal to the engine control unit 28 in order to control the engine 11 speed of rotation of, the clutch actuating mechanism 27 according to the speed changer 12 to increase the current state of the clutch pressure, in order to transmit the power for the vehicle start, the increase of the clutch pressure, the clutch input torque will be increased accordingly. Please continue to refer to fig. 1, as the preferred embodiment of the present invention, double-clutch automatic transmission on-off control system also includes the 1st generator 124 and 2nd generator 125, 1st generator 124 and 2nd generator 125 are respectively installed in the transmission 12 of the 1st input shaft 121 and 2nd input shaft 122 on, the transmission 12 of the 1st input shaft 121 and 2nd input shaft 122 when in rotation to respectively drive the 1st generator 124 and 2nd generator 125 rotate at the same time, two generator 124,125 will be produced by the rotation of the induced electromotive force is converted into the electric energy and stored in the storage battery 17 inner, for pump starting motor 16 for the starting. Requests with reference to Figure 3, the invention also relates to a use of the above-mentioned dual-clutch automatic transmission to start on-off control method of the control system, comprising the following steps: Step S30: the transmission control unit 20 receives battery status signal, vehicle speed signal, brake pedal position signal, shift handle position signal and the accelerator pedal position signal and judges the operating condition of the vehicle; Step S31: the transmission control unit 20 judges that the vehicle is in a stopped condition, shut off the engine 11 ; and Step S32: the transmission control unit 20 judges that the vehicle is in a starting condition, the starting oil pump starting motor 16 drives the oil pump 15 to rotate in order to establish the main oil pressure, in order to offer to the synchronizer actuating mechanism 26 and clutch actuating mechanism 27 used in the implementation of the operation, then start the engine 11 in order to drive the oil pump 15 running, the starter motor and then shut off and the oil pump 16. In this embodiment, starting electric motor of the oil pump 16 the storage battery 17 and the electric energy that is stored to drive the oil pump 15 to rotate. Requests with reference to Figure 4, in this embodiment, step S31 the specific content comprises the following steps: Step S311: the transmission control unit 20 judges whether the brake pedal has been depressed, the accelerator is fully released, from the shift handle P/N and files D/R gear switching to whether the vehicle speed is zero, if so, executing step S312; if not, the search is terminated. Step S312: the transmission control unit 20 in the shift handle is judged whether P/N gear stay reaches a preset time, whether or not the brake pedal is released and the throttle is not depressed, if so, executing step S313; if not, the search is terminated. Understandable, step S312 can be also slightly, that is, the transmission control unit 20 judges the brake pedal is depressed, throttle fully released, from the shift handle and files P/N D/R gear is switched to the vehicle speed is zero, then directly executing step S313. Step S313: the transmission control unit 20 sends the target gear the request signal (the signal draws back the files) to the synchronizer control execution mechanism 26; Step S314: synchronizer actuating mechanism 26 draws back the files operation implementation; and Step S315: draws back the files after the completion, the transmission control unit 20 sending out the request engine flame-out signal to the engine control unit 28 in order to shut off the engine 11 is closed. Requests with reference to Figure 5, in this embodiment, step S32 the specific content comprises the following steps: Step S321: the transmission control unit 20 judges the battery 17 whether it can work normally, if so, executing step S322; if not, the search is terminated. Understandable, step S321 can be omitted also. Step S322: the transmission control unit 20 judges whether the brake pedal has been from the shift handle steps on, and P/N gear switching to R/D gear, if so, executing step S323; if not, the search is terminated. Step S323: the transmission control unit 20 a signal to the starter motor starting motor of the oil pump 16, the oil pump starting motor 16 start and drives the oil pump 15 to rotate in order to establish the main oil pressure. Step S324: the transmission control unit 20 sends the target gear the request signal (that is, shift signal) to the synchronizer actuating mechanism 26, synchronizer actuating mechanism 26 for completing the pre-shift operation. Step S325: the transmission control unit 20 sending out the request engine starting signal to the engine control unit 28 of the engine 11 is started, in order to drive the oil pump 15 running, the transmission control unit 20 sending out and closing the motor signal the oil pump starting motor 16 stops rotating. Step S326: the transmission control unit 20 sends clutch pressure request signal to the clutch actuating mechanism 27, the combined operation of clutch half-completed. Step S327: the transmission control unit 20 sends the clutch input request torque signal to the engine control unit 28 in order to control the engine 11 speed of rotation of, the clutch actuating mechanism 27 according to the speed changer 12 to increase the current state of the clutch pressure, in order to transmit the power for the vehicle start. The beneficial effect of the invention is: The present invention dual-clutch automatic transmission system and on-off control by the on-off control method in the transmission 12 of the oil pump 15 is provided with an additional oil pump starting motor 16, in the starting process of the vehicle, the transmission control unit 20 according to the signal of the vehicle signal send out starting motor, the starting motor of the oil pump 16 is rotated and drives the oil pump 15 to rotate in order to establish the main oil pressure, supplied to the synchronizer actuating mechanism 26 and clutch actuating mechanism 27 used in the implementation of operation, effectively solves the problems of the prior technology in vehicle starting and stopping the engine 11 is not rotating will not be able to establish the necessary the main oil pressure problem. Furthermore, the invention also the 1st input shaft 121 and 2nd input shaft 122 are respectively provided on the 1st generator 124 and 2nd generator 125, 1st input shaft 121 and 2nd input shaft 122 driven by the rotation of the two generators will be 124,125 corresponding to rotate, generator 124,125 of the induction electromotive force generated is converted into the electric energy and stored in the storage battery of the vehicle, the electric energy that is stored in the accumulator will be when the function of the implementation of the transmission is provided to start and stop the oil pump 15, the oil pump on the starting motor 16 to use, makes the present invention dual-clutch automatic transmission on-off control system can effectively reduce the fuel consumption and pollution emission, fuel improve the energy-saving efficiency. Of the above, the invention is only the better practical example , and non-of the present invention is the restriction on any form, although the invention has been disclosed in a preferred embodiment of the above, however, not used to limit the invention, any familiar with the professional technical personnel, without deviating from the scope of technical scheme of the invention, when the can utilize the above-mentioned disclosed by the technical content of some change or modification is equivalent to the equivalent embodiment of the change, where is not deviated from the technical scheme of the invention content, according to the invention the technical essence to the above embodiment of any of the simple modification of the, equivalent to change and modification, are still belongs to the within the scope of technical scheme of the invention. A start-stop control system of an automatic dual-clutch transmission comprises an engine, a transmission, a first clutch and a second clutch arranged between the transmission and the engine, an oil pump starting motor mounted on an oil pump of the transmission, a storage battery electrically connected with the oil pump starting motor as well as a transmission control unit, wherein the transmission control unit is used for receiving a vehicle signal and judging the working condition of a vehicle; when transmission control unit determines that the vehicle is in the starting working condition, the oil pump starting motor is started, rotates by using electric energy stored in the storage battery and drives the oil pump to rotate to establish the main oil pressure; and when the transmission control unit determines that the vehicle is in the stopping working condition, the engine is shut down. The start-stop control system can effectively solve the problem that for the vehicle start-stop control system in the prior art, necessary oil pressure cannot be established if the engine does not rotate during starting of the vehicle. The invention further relates to a start-stop control method adopting the start-stop control system of the automatic dual-clutch transmission. 1. A dual-clutch automatic transmission start/stop control system, comprising an engine (11), the transmission (12) and is arranged in the transmission (12) and the engine (11) of the clutch 1st between (13) and the 2nd clutch (14), characterized in that the double-clutch automatic transmission on-off control system also includes the installed in the transmission (12) of the pump (15), the oil pump on the starter motor (16), and the oil pump starter motor (16) is electrically connected with the battery (17) and the transmission control unit (20), the transmission control unit (20) for receiving a vehicle signal and judging the condition of the vehicle, the vehicle signal including battery status signal, vehicle speed signal, brake pedal position signal, shift handle position signal and the throttle pedal position signal; said transmission control unit (20) judges that the vehicle is in a starting condition, starting the oil pump starter motor (16), so that the oil pump starter motor (16) using the battery (17) to rotate the electric energy that is stored and drive the oil pump (15) to rotate in order to establish the main oil pressure; said transmission control unit (20) to the vehicle is in a stopped condition, closing said engine (11). 2. Double-clutch automatic transmission start/stop control system according to Claim 1, characterized in that the transmission control unit (20) determines that the battery (17) can work normally, brake pedal is steps on, and from the shift handle R/D P/N gear the gear is switched to, the transmission control unit (20) motor starting signal is issued, so that the oil pump starter motor (16) starting. 3. Double-clutch automatic transmission start/stop control system according to Claim 1, characterized in that the transmission control unit (20) judges that the brake pedal is depressed, the accelerator pedal is not depressed, the vehicle speed is zero and the shifting handle P/N D/R gear from the gear is switched to, the transmission control unit (20) sending out the request engine flameout signal in order to close the said engine (11). 4. Double-clutch automatic transmission start/stop control system according to Claim 1, characterized in that the lift stop control system also includes a synchronizer actuating mechanism (26), the transmission control unit (20) according to the stated vehicle signal request signal issued by the target gear, the synchronizer actuating mechanism (26) according to the target gear shift control operation of the request signal, the transmission (12) to complete the gear switching. 5. Double-clutch automatic transmission start/stop control system according to Claim 1, characterized in that the lift stop control system further comprises a clutch actuating mechanism (27), the transmission control unit (20) according to the stated vehicle signal is sent out clutch pressure request signal, the clutch actuating mechanism (27) according to the clutch pressure request signal to the combined operation of a clutch. 6. Double-clutch automatic transmission start/stop control system according to Claim 1, characterized in that the lift stop control system also comprises an engine control unit (28), the transmission control unit (20) according to the stated vehicle signal is sent out clutch input request torque signal, the engine control unit (28) according to said clutch input request torque signal to control the engine (11) of the rotational speed. 7. Double-clutch automatic transmission start/stop control system according to Claim 1, characterized in that the lift stop control system also includes the 1st generator (124) and 2nd generator (125), the 1st generator (124) and the 2nd generator (125) are respectively installed in the transmission (12) of the 1st input shaft (121) and 2nd input shaft (122) is, the transmission (12) of the 1st input shaft (121) and 2nd input shaft (122) respectively during the rotation of the generator drives the 1st (124) and the 2nd generator (125) rotate at the same time, the two generator (124,125) will be produced by the rotation of the induced electromotive force is converted into the electric energy and stored in the storage battery (17) the inner. 8. A use to 7 arbitrary a the dual-clutch automatic transmission for the control of the starting and stopping control system method according to Claim 1, characterized in that comprises the following steps: Step one: the transmission control unit (20) receives battery status signal, vehicle speed signal, brake pedal position signal, shift handle position signal and the accelerator pedal position signal and judges the operating condition of the vehicle; Step two: the transmission control unit (20) judges that the vehicle is in a stopped condition, closing said engine (11); and Step three: the transmission control unit (20) judges that the vehicle is in a starting condition, starting the oil pump starter motor (16) driving the oil pump (15) to rotate in order to establish the main oil pressure, in order to offer to the synchronizer actuating mechanism (26) and the clutch actuating mechanism (27) is used in the implementation of the operation, then starting the engine (11) and by the engine (11) to drive the oil pump (15) running, and then shut off and the oil pump starter motor (16). 9. According to Claim 8 on-off control method, the same is characterized in that, the second step comprises: The transmission control unit (20) to judge whether the brake pedal has been depressed, the accelerator is fully released, from the shift handle P/N and files D/R gear switching to whether the vehicle speed is zero, if YES, executing the following steps; The transmission control unit (20) sends draws back the files signal to the synchronizer control actuator (26); The synchronizer actuating mechanism (26) the implementation operation draws back the files ; and draws back the files after the completion, the transmission control unit (20) sending out the request engine shut-down signal to said engine control unit (28) of the said engine (11) is closed. 10. According to Claim 9 on-off control method, is characterized in that the, step three specifically comprises: The transmission control unit (20) to judge whether the brake pedal has been from the shift handle steps on, and P/N gear switching to R/D gear, if it is, the implementation of the following steps; The transmission control unit (20) sends start motor signal to the oil pump starter motor (16), so that the oil pump starter motor (16) starting and drive the oil pump (15) to rotate in order to establish the main oil pressure; The transmission control unit (20) a shift signal to said synchronizer actuating mechanism (26), the synchronizer actuating mechanism (26) for completing the pre-shift operation; The transmission control unit (20) sending out the request engine starting signal to the engine control unit (28) of the said engine (11) starting, at the same time, the transmission control unit (20) of the motor signal sending out and closing of the oil pump starter motor (16) stops rotating; The transmission control unit (20) a request signal to the clutch pressure of the clutch actuating mechanism (27), the combined operation of clutch half-completed; and The transmission control unit (20) by clutch input request torque signal to the engine control unit (28) to control the engine (11) the speed of rotation of, the clutch actuating mechanism (27) according to the transmission (12) increase the current state of the clutch pressure, in order to transmit the power for the vehicle start.