CN112319216A - AMT gearbox system - Google Patents

AMT gearbox system Download PDF

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Publication number
CN112319216A
CN112319216A CN202011339024.1A CN202011339024A CN112319216A CN 112319216 A CN112319216 A CN 112319216A CN 202011339024 A CN202011339024 A CN 202011339024A CN 112319216 A CN112319216 A CN 112319216A
Authority
CN
China
Prior art keywords
shifting
gear selecting
circuit board
clutch
strategy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202011339024.1A
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Chinese (zh)
Inventor
张鹏雷
张科勋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Qingyan Haiyi New Energy Power Co ltd
Original Assignee
Nanjing Qingyan Haiyi New Energy Power Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Qingyan Haiyi New Energy Power Co ltd filed Critical Nanjing Qingyan Haiyi New Energy Power Co ltd
Priority to CN202011339024.1A priority Critical patent/CN112319216A/en
Publication of CN112319216A publication Critical patent/CN112319216A/en
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/18—Propelling the vehicle
    • B60W30/19—Improvement of gear change, e.g. by synchronisation or smoothing gear shift
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/26—Generation or transmission of movements for final actuating mechanisms
    • F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/26—Generation or transmission of movements for final actuating mechanisms
    • F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H61/32—Electric motors actuators or related electrical control means therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/02—Clutches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/06—Combustion engines, Gas turbines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/10—Change speed gearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
    • F16H2061/1208—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures with diagnostic check cycles; Monitoring of failures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/26—Generation or transmission of movements for final actuating mechanisms
    • F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H61/32—Electric motors actuators or related electrical control means therefor
    • F16H2061/326—Actuators for range selection, i.e. actuators for controlling the range selector or the manual range valve in the transmission

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Transmission Device (AREA)

Abstract

The embodiment of the invention discloses an AMT (automated mechanical transmission) gearbox system which comprises a gearbox shell, a vehicle electronic control unit, a gear selecting and shifting executing mechanism and a clutch operating mechanism, wherein the gear selecting and shifting control strategy and a gear selecting and shifting driving program are integrated on a first circuit board of the gear selecting and shifting executing mechanism, the first circuit board is installed on the shell of the gear selecting and shifting executing mechanism, so that the modularization of the gear selecting and shifting executing mechanism is realized, the clutch control strategy and the clutch driving program are integrated on a second circuit board of the clutch operating mechanism, and the second circuit board is installed on the shell of the clutch operating mechanism, so that the modularization of the clutch operating mechanism is realized. Because the gear selecting and shifting actuating mechanism and the clutch operating mechanism are modularized, when the gearbox system is matched with different vehicle types, only the independent gear selecting and shifting actuating mechanism module or the clutch operating mechanism module is modified, the whole gearbox system is not required to be redesigned, and the adaptability is improved.

Description

AMT gearbox system
Technical Field
The invention relates to the technical field of gearboxes, in particular to an AMT gearbox system.
Background
At present, in a novel highly integrated transmission system, the mechanical structure and the electrical circuit of each actuator in the transmission are integrated in a transmission housing, so that each actuator and the transmission housing are integrated into a whole.
Because each actuating mechanism and gearbox casing have become a whole, when matching the gearbox system with different motorcycle types, can't reform transform actuating mechanism alone, can only carry out redesign to the whole of gearbox system, lead to the adaptability of current gearbox system relatively poor.
Disclosure of Invention
The invention provides an AMT gearbox system which improves the adaptability. The specific technical scheme is as follows.
In a first aspect, the present invention provides an AMT gearbox system comprising: the gear shifting control system comprises a transmission case, a vehicle electronic control unit, a gear selecting and shifting executing mechanism and a clutch control mechanism;
the vehicle electronic control unit is installed on a vehicle body and is integrated with an upper algorithm of the AMT gearbox system and an upper strategy of the AMT gearbox system;
the gear selecting and shifting actuating mechanism comprises a gear selecting and shifting actuating mechanism shell and a first circuit board, the first circuit board is installed on the gear selecting and shifting actuating mechanism shell, a gear selecting and shifting control strategy and a gear selecting and shifting driving program are integrated on the first circuit board, the clutch operating mechanism comprises a clutch operating mechanism shell and a second circuit board, the second circuit board is installed on the clutch operating mechanism shell, the second circuit board is connected with a clutch, and a clutch control strategy and a clutch driving program are integrated on the second circuit board;
the gear selecting and shifting executing mechanism shell and the clutch operating mechanism shell are both arranged on the gearbox shell, and the first circuit board and the second circuit board are both connected with the vehicle electronic control unit.
Optionally, the AMT transmission system further includes a gear selecting and shifting solenoid valve and a first gear selecting and shifting toggle head, the first circuit board is electrically connected to the gear selecting and shifting solenoid valve, and the gear selecting and shifting solenoid valve is connected to the first gear selecting and shifting toggle head through a first pushing mechanism;
alternatively, the first and second electrodes may be,
the gear selecting and shifting motor and the second gear selecting and shifting toggle head are arranged on the shell of the gear selecting and shifting executing mechanism, the first circuit board is connected with the gear selecting and shifting motor, and the gear selecting and shifting motor is connected with the second gear selecting and shifting toggle head through a second pushing mechanism.
Optionally, the AMT transmission system further includes a sub-transmission solenoid valve, the sub-transmission solenoid valve is mounted on the transmission housing, and the first circuit board is electrically connected to the sub-transmission solenoid valve.
Optionally, the AMT transmission system further includes an intermediate shaft brake and an intermediate shaft brake electromagnetic valve, the intermediate shaft brake and the intermediate shaft brake electromagnetic valve are both mounted on the transmission housing, the first circuit board is electrically connected to the intermediate shaft brake electromagnetic valve, and the intermediate shaft brake electromagnetic valve is connected to the intermediate shaft brake.
Optionally, the AMT transmission system further includes a rotation speed sensor, the rotation speed sensor is mounted on the transmission housing, and the rotation speed sensor is connected to the first circuit board.
Optionally, the upper-layer algorithm of the AMT transmission system includes a driving behavior analysis algorithm and a vehicle control algorithm;
the upper-layer strategy of the AMT gearbox system comprises an AMT gearbox system fault diagnosis strategy and an AMT gearbox system application layer strategy.
Optionally, the gear selecting and shifting control strategy comprises a transmission gear shifting action strategy and a gear selecting and shifting executing mechanism fault diagnosis strategy;
the gear selecting and shifting driving program comprises a gear selecting and shifting actuating mechanism driving program.
Optionally, the clutch control strategy comprises a clutch action strategy and a clutch actuator fault diagnosis strategy;
the clutch driver includes a clutch actuator driver.
Optionally, the AMT transmission system further comprises a dashboard, an engine, an anti-lock system and a shift handle;
the instrument panel, the engine, the anti-lock system and the gear shifting handle are all connected with the vehicle electronic control unit through a CAN bus.
As can be seen from the above, in the embodiment of the present invention, the gear selecting and shifting execution mechanism module is formed by integrating the gear selecting and shifting control strategy and the gear selecting and shifting driving program into the first circuit board of the gear selecting and shifting execution mechanism and mounting the first circuit board on the gear selecting and shifting execution mechanism housing, so as to implement the modularization of the gear selecting and shifting execution mechanism, and the clutch operation mechanism module is formed by integrating the clutch control strategy and the clutch driving program into the second circuit board of the clutch operation mechanism and mounting the second circuit board on the clutch operation mechanism housing, so as to implement the modularization of the clutch operation mechanism. Because the gear selecting and shifting actuating mechanism and the clutch operating mechanism are modularized, when the gearbox system is matched with different vehicle types, only the independent gear selecting and shifting actuating mechanism module or the clutch operating mechanism module is modified, the whole gearbox system is not required to be redesigned, and the adaptability is improved. Of course, not all of the advantages described above need to be achieved at the same time in the practice of any one product or method of the invention.
The innovation points of the embodiment of the invention comprise:
1. the gear selecting and shifting executing mechanism module is formed by integrating the gear selecting and shifting control strategy and the gear selecting and shifting driving program into a first circuit board of the gear selecting and shifting executing mechanism and installing the first circuit board on a shell of the gear selecting and shifting executing mechanism, the clutch operating mechanism module is formed by integrating the clutch control strategy and the clutch driving program into a second circuit board of the clutch operating mechanism and installing the second circuit board on the shell of the clutch operating mechanism, and the modularization of the clutch operating mechanism 3 is realized. Because the gear selecting and shifting actuating mechanism and the clutch operating mechanism are modularized, when the gearbox system is matched with different vehicle types, only the independent gear selecting and shifting actuating mechanism module or the clutch operating mechanism module is modified, the whole gearbox system is not required to be redesigned, and the adaptability is improved.
2. Since the vehicle electronic control unit is integrated with the upper algorithm of the AMT gearbox system and the upper strategy of the AMT gearbox system, the gear selecting and shifting executing mechanism and the clutch operating mechanism are modularized, so that the gear selecting and shifting executing mechanism module and the clutch operating mechanism module have the executing function of a hardware structure and the functions of processing signals, making decisions and driving other hardware of a software structure, in the process of developing the gearbox system, research and development personnel only need to develop an upper-layer algorithm and an upper-layer strategy related to the gear selecting and shifting execution mechanism module and the clutch operating mechanism module in the vehicle electronic control unit without designing a control strategy and a driving program in the gear selecting and shifting execution mechanism module and the clutch operating mechanism module, and workload and research and development difficulty in the process of developing the gearbox system are reduced.
3. In the embodiment of the invention, a gearbox control unit is cancelled, an upper layer algorithm of an AMT gearbox system and an upper layer strategy of the AMT gearbox system in the gearbox control unit are integrated in a vehicle electronic control unit, a gear selecting and shifting control strategy and a gear selecting and shifting driving program in the gearbox control unit are integrated on a first circuit board of a gear selecting and shifting execution mechanism, a clutch control strategy and a clutch driving program in the gearbox control unit are integrated on a second circuit board of a clutch control mechanism, because the vehicle electronic control unit is respectively connected with the gear selecting and shifting actuating mechanism and the clutch operating mechanism through the wire harness when the integration is not carried out, and after integration, extra wire harnesses are not needed to be connected, so that the wire harnesses and interfaces of the gearbox system are reduced, the system cost is reduced, and meanwhile, the passing rate of electromagnetic compatibility detection is improved due to the reduction of the wire harnesses.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is to be understood that the drawings in the following description are merely exemplary of some embodiments of the invention. For a person skilled in the art, without inventive effort, further figures can be obtained from these figures.
FIG. 1 is a schematic structural diagram of an AMT transmission system provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a software layer of an AMT transmission system according to an embodiment of the present invention.
In fig. 1-2, 1 vehicle electronic control unit, 2 select shift actuator, 3 clutch control mechanism, 4 speed sensor, 5 middle shaft brake, 6 middle shaft brake solenoid valve, 7 auxiliary box solenoid valve, 8 instrument panel, 9 engine, 10 anti-lock system, 11 shift handle, 12CAN bus.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
It is to be noted that the terms "comprises" and "comprising" and any variations thereof in the embodiments and drawings of the present invention are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
The embodiment of the invention discloses an AMT (automated mechanical transmission) gearbox system, which improves the adaptability. The following provides a detailed description of embodiments of the invention.
Fig. 1 is a structural diagram of an AMT transmission system according to an embodiment of the present invention. Fig. 2 is a schematic structural diagram of a software layer of an AMT transmission system according to an embodiment of the present invention. Referring to fig. 1-2, an AMT Transmission system according to an embodiment of the present invention includes a Transmission housing, a vehicle electronic control unit 1, a gear selecting and shifting actuator 2, and a clutch operating mechanism 3, where the AMT is an Automated Mechanical Transmission automatic Transmission, an implementation in fig. 1 represents an electric circuit, a broken line with a smaller interval represents an air path, a broken line with a larger interval represents a CAN (Controller Area Network) bus, an arrow represents a Transmission direction of current or a signal, a broken line in fig. 2 represents a CAN bus, and an arrow represents a Transmission direction of a signal.
The vehicle electronic control unit 1 is installed on a vehicle body, and the vehicle electronic control unit 1 is integrated with an upper-layer algorithm of an AMT gearbox system and an upper-layer strategy of the AMT gearbox system.
Illustratively, the upper-layer algorithm of the AMT transmission system comprises a driving behavior analysis algorithm and a vehicle control algorithm, and the upper-layer strategy of the AMT transmission system comprises an AMT transmission system fault diagnosis strategy and an AMT transmission system application layer strategy.
The gear selecting and shifting executing mechanism 2 comprises a gear selecting and shifting executing mechanism shell and a first circuit board, wherein the first circuit board is installed on the gear selecting and shifting executing mechanism shell, and a gear selecting and shifting control strategy and a gear selecting and shifting driving program are integrated on the first circuit board. Because the gear selecting and shifting control strategy and the gear selecting and shifting driving program are integrated on the first circuit board of the gear selecting and shifting executing mechanism 2, and the first circuit board is also installed on the shell of the gear selecting and shifting executing mechanism, so that a software structure and a hardware structure related to the gear selecting and shifting executing mechanism 2 are integrated, a gear selecting and shifting executing mechanism module is formed, the modularization of the gear selecting and shifting executing mechanism 2 is realized, and the gear selecting and shifting executing mechanism module not only has an executing function of a hardware structure, but also has functions of processing signals, making decisions and driving other hardware of the software structure.
Illustratively, the gear selection and shift control strategy comprises a transmission gear shifting action strategy and a gear selection and shift actuator fault diagnosis strategy, and the gear selection and shift driving program comprises a gear selection and shift actuator driving program.
The clutch control mechanism 3 comprises a clutch control mechanism shell and a second circuit board, the second circuit board is installed on the clutch control mechanism shell and is connected with the clutch, and a clutch control strategy and a clutch driving program are integrated on the second circuit board. Because the clutch control strategy and the clutch driver are integrated in the second circuit board of the clutch control mechanism 3 and the second circuit board is installed on the casing of the clutch control mechanism, the software structure and the hardware structure related to the clutch control mechanism 3 are integrated to form a clutch control mechanism module, so that the modularization of the clutch control mechanism 3 is realized, and the clutch control mechanism module has the executing function of the hardware structure and the functions of processing signals, making decisions and driving other hardware of the software structure.
For example, the clutch control strategy includes a clutch actuation strategy and a clutch actuator fault diagnosis strategy, and the clutch driver includes a clutch actuator driver.
The gear selecting and shifting executing mechanism shell and the clutch operating mechanism shell are both arranged on a gearbox shell, and the first circuit board and the second circuit board are both connected with the vehicle electronic control unit 1.
Illustratively, the vehicle electronic control unit 1 includes at least one of a vehicle control unit, an engine control unit, and a hybrid controller.
In summary, in the embodiment of the present invention, the gear selection/shift actuator module is formed by integrating the gear selection/shift control strategy and the gear selection/shift driving program into the first circuit board of the gear selection/shift actuator 2 and installing the first circuit board in the gear selection/shift actuator casing, so as to implement the modularization of the gear selection/shift actuator 2, and the clutch control module is formed by integrating the clutch control strategy and the clutch driving program into the second circuit board of the clutch control mechanism 3 and installing the second circuit board in the clutch control mechanism casing, so as to implement the modularization of the clutch control mechanism 3. Because the gear selecting and shifting actuating mechanism 2 and the clutch operating mechanism 3 are modularized, when the gearbox system is matched with different vehicle types, only the independent gear selecting and shifting actuating mechanism module or the clutch operating mechanism module is transformed, the whole gearbox system is not required to be redesigned, and the adaptability is improved.
Furthermore, since the vehicle electronic control unit 1 integrates the upper layer algorithm of the AMT transmission system and the upper layer strategy of the AMT transmission system, the gear selecting and shifting executing mechanism 2 and the clutch operating mechanism 3 realize modularization, so that the gear selecting and shifting executing mechanism module and the clutch operating mechanism module both have the executing function of a hardware structure and the functions of processing signals, making decisions and driving other hardware of a software structure, in the process of developing the gearbox system, research and development personnel only need to develop an upper-layer algorithm and an upper-layer strategy related to the gear selecting and shifting execution mechanism module and the clutch operating mechanism module in the vehicle electronic control unit 1 without designing control strategies and driving programs in the gear selecting and shifting execution mechanism module and the clutch operating mechanism module, and workload and research and development difficulty in the process of developing the gearbox system are reduced.
Compared with the prior art that the gearbox control unit is respectively connected with the gear selecting and shifting execution mechanism 2 and the clutch control mechanism 3 through the wire harnesses, the embodiment of the invention cancels the gearbox control unit, integrates the upper layer algorithm of the AMT gearbox system and the upper layer strategy of the AMT gearbox system in the gearbox control unit into the vehicle electronic control unit 1, integrates the gear selecting and shifting control strategy and the gear selecting and shifting drive program in the gearbox control unit into the first circuit board of the gear selecting and shifting execution mechanism 2, integrates the clutch control strategy and the clutch drive program in the gearbox control unit into the second circuit board of the clutch control mechanism 3, because the vehicle electronic control unit 1 is respectively connected with the gear selecting and shifting execution mechanism 2 and the clutch control mechanism 3 through the wire harnesses when the integration is not carried out, the additional wire harnesses are not needed to be connected after the integration, the wiring harness and the interfaces of the gearbox system are reduced, the system cost is reduced, and meanwhile, the passing rate of electromagnetic compatibility detection is improved due to the reduction of the wiring harness.
The AMT gearbox system provided by the embodiment of the invention also comprises a gear selecting and shifting electromagnetic valve and a first gear selecting and shifting toggle head, wherein the first circuit board is electrically connected with the gear selecting and shifting electromagnetic valve, and the gear selecting and shifting electromagnetic valve is connected with the first gear selecting and shifting toggle head through a first pushing mechanism. Wherein, the first pushing mechanism can be a cylinder piston. Therefore, the vehicle electronic control unit 1 sends a control signal to the first circuit board, the first circuit board determines control information based on the received control signal and the gear selecting and shifting control strategy, and sends the control information to the gear selecting and shifting driving program, and the gear selecting and shifting driving program controls the gear selecting and shifting electromagnetic valve to complete actions corresponding to the control information through the first pushing mechanism and the first gear selecting and shifting toggle head based on the control information, wherein the control information comprises an upshift action, a downshift action and/or fault processing.
Or, the AMT transmission system provided by the embodiment of the present invention may further include a gear selecting and shifting motor and a second gear selecting and shifting toggle head, where the gear selecting and shifting motor and the second gear selecting and shifting toggle head are both installed on the shell of the gear selecting and shifting actuator, the first circuit board is connected with the gear selecting and shifting motor, and the gear selecting and shifting motor is connected with the second gear selecting and shifting toggle head through a second pushing mechanism. Wherein, the second pushing mechanism can be a lead screw. Therefore, the vehicle electronic control unit 1 sends the control signal to the first circuit board, the first circuit board determines the control information based on the received control signal and the gear selecting and shifting control strategy, and sends the control information to the gear selecting and shifting driving program, and the gear selecting and shifting driving program controls the gear selecting and shifting motor to complete the action corresponding to the control information through the second pushing mechanism and the second gear selecting and shifting toggle head based on the control information, wherein the control information may include an upshift action, a downshift action and/or fault processing.
Also, the vehicle electronic control unit 1 may further transmit a control signal to a second circuit board, the second circuit board determining an operation mode based on the received control signal and the clutch control strategy, and transmit the operation mode to a clutch driver, the clutch driver controlling engagement and disengagement of the clutch based on the operation mode, wherein the operation mode may include fast engagement, slow engagement, fast disengagement, slow disengagement, and/or semi-engagement.
With continued reference to fig. 1, the AMT transmission system provided by the embodiment of the present invention may further include a rotation speed sensor 4, where the rotation speed sensor 4 is mounted on the transmission housing, and the rotation speed sensor 4 is connected to the first circuit board. The rotating speed sensor 4 is used for detecting the rotating speeds of an output shaft and an input shaft of the AMT variable box and sending the detected rotating speeds to the vehicle electronic control unit 1 through the first circuit board, so that the vehicle electronic control unit 1 can make a decision based on the received rotating speeds and send control signals to the first circuit board or the second circuit board.
With continued reference to fig. 1, the AMT transmission system according to the embodiment of the present invention may further include an intermediate shaft brake 5 and an intermediate shaft brake solenoid valve 6, where the intermediate shaft brake 5 and the intermediate shaft brake solenoid valve 6 are both mounted on the transmission housing, the first circuit board is electrically connected to the intermediate shaft brake solenoid valve 6, and the intermediate shaft brake solenoid valve 6 is connected to the intermediate shaft brake 5. Thereby, the vehicle electronic control unit 1 transmits a control signal to the first circuit board, and the first circuit board performs upshifting and downshifting through the intermediate shaft brake 5 and the intermediate shaft brake solenoid valve 6 based on the received control signal.
With continued reference to fig. 1, the AMT transmission system according to the embodiment of the present invention may further include a sub-tank solenoid valve 7, where the sub-tank solenoid valve 7 is mounted on the transmission housing, and the first circuit board is electrically connected to the sub-tank solenoid valve 7. The control of multiple gears can be realized through the auxiliary box electromagnetic valve 7.
With continued reference to fig. 1, the AMT transmission system according to the embodiment of the present invention may further include an instrument panel 8, an engine 9, an anti-lock system 10, and a shift handle 11, wherein the instrument panel 8, the engine 9, the anti-lock system 10, and the shift handle 11 are all connected to the vehicle ecu 1 through a CAN bus 12.
In order to realize gear shifting and control of clutch engagement and disengagement, the vehicle electronic control unit 1 needs to obtain driver control information, vehicle data, and road data from the engine 9, the anti-lock system 10, and the shift lever 11, and also needs to display alarm information through the dashboard 8, and therefore, the dashboard 8, the engine 9, the anti-lock system 10, and the shift lever 11 are all connected to the vehicle electronic control unit 1 through the CAN bus 12.
The vehicle electronic control unit 1 obtains driver control information, vehicle data, and road data from the engine 9, the anti-lock brake system 10, and the shift lever 11, and determines engagement and disengagement of the clutch and a shift action of the transmission in conjunction with a shift selection control strategy and a clutch control strategy, and transmits a control signal including the shift action to the first circuit board so as to complete the shift action, and transmits a command including engagement and disengagement of the clutch to the first circuit board so as to complete engagement or disengagement of the clutch.
Those of ordinary skill in the art will understand that: the figures are merely schematic representations of one embodiment, and the blocks or flow diagrams in the figures are not necessarily required to practice the present invention.
Those of ordinary skill in the art will understand that: modules in the devices in the embodiments may be distributed in the devices in the embodiments according to the description of the embodiments, or may be located in one or more devices different from the embodiments with corresponding changes. The modules of the above embodiments may be combined into one module, or further split into multiple sub-modules.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (9)

1. An AMT transmission system, comprising: the gear shifting control system comprises a transmission case, a vehicle electronic control unit, a gear selecting and shifting executing mechanism and a clutch control mechanism;
the vehicle electronic control unit is installed on a vehicle body and is integrated with an upper algorithm of the AMT gearbox system and an upper strategy of the AMT gearbox system;
the gear selecting and shifting actuating mechanism comprises a gear selecting and shifting actuating mechanism shell and a first circuit board, the first circuit board is installed on the gear selecting and shifting actuating mechanism shell, a gear selecting and shifting control strategy and a gear selecting and shifting driving program are integrated on the first circuit board, the clutch operating mechanism comprises a clutch operating mechanism shell and a second circuit board, the second circuit board is installed on the clutch operating mechanism shell, the second circuit board is connected with a clutch, and a clutch control strategy and a clutch driving program are integrated on the second circuit board;
the gear selecting and shifting executing mechanism shell and the clutch operating mechanism shell are both arranged on the gearbox shell, and the first circuit board and the second circuit board are both connected with the vehicle electronic control unit.
2. The system of claim 1, further comprising a gear selecting and shifting solenoid valve and a first gear selecting and shifting toggle head, wherein the first circuit board is electrically connected with the gear selecting and shifting solenoid valve, and the gear selecting and shifting solenoid valve is connected with the first gear selecting and shifting toggle head through a first pushing mechanism;
alternatively, the first and second electrodes may be,
the gear selecting and shifting motor and the second gear selecting and shifting toggle head are arranged on the shell of the gear selecting and shifting executing mechanism, the first circuit board is connected with the gear selecting and shifting motor, and the gear selecting and shifting motor is connected with the second gear selecting and shifting toggle head through a second pushing mechanism.
3. The system of claim 1, further comprising a sub-tank solenoid valve mounted to the transmission housing, the first circuit board being electrically connected to the sub-tank solenoid valve.
4. The system of claim 1, further comprising an intermediate shaft brake and an intermediate shaft brake solenoid, both mounted to the transmission housing, the first circuit board electrically connected to the intermediate shaft brake solenoid, the intermediate shaft brake solenoid connected to the intermediate shaft brake.
5. The system of claim 1, further comprising a rotational speed sensor mounted to the transmission housing, the rotational speed sensor coupled to the first circuit board.
6. The system of claim 1, wherein the upper-level algorithms of the AMT transmission system include a driving behavior analysis algorithm and a vehicle control algorithm;
the upper-layer strategy of the AMT gearbox system comprises an AMT gearbox system fault diagnosis strategy and an AMT gearbox system application layer strategy.
7. The system of claim 1, wherein the gear selection control strategy comprises a transmission shift action strategy and a gear selection actuator fault diagnostic strategy;
the gear selecting and shifting driving program comprises a gear selecting and shifting actuating mechanism driving program.
8. The system of claim 1, wherein the clutch control strategy comprises a clutch actuation strategy and a clutch actuator fault diagnostic strategy;
the clutch driver includes a clutch actuator driver.
9. The system of claim 1, further comprising an instrument panel, an engine, an anti-lock system, and a shift handle;
the instrument panel, the engine, the anti-lock system and the gear shifting handle are all connected with the vehicle electronic control unit through a CAN bus.
CN202011339024.1A 2020-11-25 2020-11-25 AMT gearbox system Withdrawn CN112319216A (en)

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Application Number Priority Date Filing Date Title
CN202011339024.1A CN112319216A (en) 2020-11-25 2020-11-25 AMT gearbox system

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Application Number Priority Date Filing Date Title
CN202011339024.1A CN112319216A (en) 2020-11-25 2020-11-25 AMT gearbox system

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CN114347775A (en) * 2022-01-27 2022-04-15 东风商用车有限公司 Hybrid motor clutch control system and installation method thereof
CN114347775B (en) * 2022-01-27 2023-10-10 东风商用车有限公司 Hybrid motor clutch control system and installation method thereof

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Application publication date: 20210205