CN114198495B - Method and equipment for controlling power takeoff of off-road vehicle - Google Patents

Method and equipment for controlling power takeoff of off-road vehicle Download PDF

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Publication number
CN114198495B
CN114198495B CN202111443138.5A CN202111443138A CN114198495B CN 114198495 B CN114198495 B CN 114198495B CN 202111443138 A CN202111443138 A CN 202111443138A CN 114198495 B CN114198495 B CN 114198495B
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Prior art keywords
power takeoff
vehicle speed
power take
driving power
equal
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CN202111443138.5A
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CN114198495A (en
Inventor
熊锋
刘威
王少云
余志敏
刘鹏
汪霏
朱运来
陈奥林
左淼都
廖显敏
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Dongfeng Off Road Vehicle Co Ltd
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Dongfeng Off Road Vehicle Co Ltd
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Priority to CN202111443138.5A priority Critical patent/CN114198495B/en
Publication of CN114198495A publication Critical patent/CN114198495A/en
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    • 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
    • F16H61/02—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 characterised by the signals used
    • 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
    • B60K25/00—Auxiliary drives
    • B60K25/02—Auxiliary drives directly from an engine shaft
    • 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
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/36—Inputs being a function of speed
    • F16H59/44—Inputs being a function of speed dependent on machine speed of the machine, e.g. the vehicle
    • 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
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/74—Inputs being a function of engine parameters
    • 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
    • F16H61/18—Preventing unintentional or unsafe shift, e.g. preventing manual shift from highest gear to reverse gear
    • 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
    • B60K25/00—Auxiliary drives
    • B60K25/02—Auxiliary drives directly from an engine shaft
    • B60K2025/022—Auxiliary drives directly from an engine shaft by a mechanical transmission

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)

Abstract

The invention provides a control method and equipment for a driving power takeoff of an off-road vehicle, comprising the following steps: if the power takeoff switch is closed and the power takeoff is in an idle state, the rotation speed of the engine is smaller than or equal to a first rotation speed threshold, the first rotation speed threshold is smaller than or equal to a second rotation speed threshold, if the time delay duration is equal to a first time length threshold and the power takeoff states are combined, the working state of the power takeoff is sent to the intelligent information terminal, and the engine enters the driving power takeoff working state of the power takeoff; if the vehicle speed is greater than a second vehicle speed threshold value, sending a vehicle speed overhigh reminding message to the intelligent information terminal and exiting the driving power take-off; if the vehicle speed is smaller than or equal to the first vehicle speed threshold value, sending the vehicle speed too low reminding information to the intelligent information terminal and exiting the driving power take-off. The power takeoff device can improve the convenience and reliability of the driving power takeoff device, avoid the damage of the power takeoff device caused by improper manual operation, avoid the damage of the loading equipment caused by improper use of the power takeoff device, and realize the intelligent control of the driving power takeoff device of the off-road vehicle.

Description

Method and equipment for controlling power takeoff of off-road vehicle
Technical Field
The embodiment of the invention relates to the technical field of power takeoff control of off-road vehicles, in particular to a method and equipment for controlling a driving power takeoff of an off-road vehicle.
Background
Under the driving condition of the off-road vehicle, the upper equipment of the vehicle needs to output power, and the power takeoff is essentially a power transmission medium and mainly a medium device for transmitting the power generated by the engine to another equipment. The power takeoff is applied to an off-road vehicle, power is obtained from a power system and transmitted to other upper equipment, the power takeoff can be used for taking power of the upper equipment and high-power generation output, and the operation and use requirements of the upper equipment of most refitted users can be met. At present, most of control methods of power take-off devices for off-road vehicles are manually controlled, and because the operation of the vehicles in the driving process is complex, the damage to the power take-off devices and the upper mounting equipment is easily caused by the influence of improper manual operation. Therefore, developing a control method and device for the power takeoff of the off-road vehicle can effectively overcome the defects in the related art, and the control method and device are the technical problems to be solved in the industry.
Disclosure of Invention
Aiming at the problems in the prior art, the embodiment of the invention provides a method and equipment for controlling a driving power takeoff of an off-road vehicle.
In a first aspect, an embodiment of the present invention provides a method for controlling a driving power takeoff of an off-road vehicle, including: if the power takeoff switch is closed, judging the working state of the power takeoff; if the power takeoff is in a idle state, the rotating speed of the engine is smaller than or equal to a first rotating speed threshold value, the first rotating speed threshold value is smaller than or equal to a second rotating speed threshold value, if the time delay time is equal to a first time length threshold value, the power takeoff states are combined, the power takeoff is started to take power, the working state of the power takeoff is sent to an intelligent information terminal, and the engine enters the power takeoff driving power taking working state; if the vehicle speed is greater than a second vehicle speed threshold value, sending a vehicle speed overhigh reminding message to the intelligent information terminal and exiting the driving power take-off; if the vehicle speed is smaller than or equal to the first vehicle speed threshold value, sending the vehicle speed too low reminding information to the intelligent information terminal and exiting the driving power take-off.
On the basis of the embodiment of the method, the control method for the driving power takeoff of the off-road vehicle, provided by the embodiment of the invention, further comprises the following steps after sending the vehicle speed too low reminding information to the intelligent information terminal and exiting driving power takeoff: if the power takeoff is in a driving power take-off state, the first vehicle speed threshold is smaller than the vehicle speed and smaller than or equal to the second vehicle speed threshold, if the time delay duration is equal to the first time duration threshold, the power takeoff state is combined, driving power take-off is carried out, the working state of the power takeoff is sent to the intelligent information terminal, and the engine enters the driving power take-off working state of the power takeoff; if the vehicle speed is greater than a second vehicle speed threshold value, sending a vehicle speed overhigh reminding message to the intelligent information terminal and exiting the driving power take-off; if the vehicle speed is smaller than or equal to the first vehicle speed threshold value, sending the vehicle speed too low reminding information to the intelligent information terminal and exiting the driving power take-off.
On the basis of the content of the embodiment of the method, the control method for the power takeoff of the off-road vehicle driving provided by the embodiment of the invention, wherein the power takeoff is in a driving power takeoff state and comprises the following steps: and limiting the engine speed to be less than or equal to a third speed threshold, monitoring the engine speed at the same time, and if the engine speed is less than the second speed threshold, sending a speed too low signal to the intelligent information terminal by the controller to prompt a driver to increase the engine speed.
On the basis of the foregoing method embodiment, the method for controlling the driving power takeoff of the off-road vehicle according to the embodiment of the present invention further includes, after the power takeoff is in the idle state: and if the engine speed is greater than the first speed threshold, sending a warning message of the excessive engine speed to the intelligent information terminal and exiting the driving power take-off.
On the basis of the foregoing method embodiment, the method for controlling the power takeoff of the off-road vehicle according to the embodiment of the present invention further includes, after the delay time length is equal to the first time length threshold: and if the power takeoff state is not combined, exiting the driving power takeoff.
Based on the content of the embodiment of the method, the method for controlling the power takeoff of the off-road vehicle provided by the embodiment of the invention further comprises the following steps before the power takeoff switch is closed: if the power takeoff switch is turned on, the driving power takeoff is withdrawn.
In a second aspect, embodiments of the present invention provide an off-road vehicle power take-off control system, comprising: the power takeoff device is used for receiving a power takeoff control signal from the controller and executing a combination and disconnection command of the power takeoff; the intelligent information terminal is used for receiving signals output by the controller and realizing the display of the working state of the power takeoff and the popup window reminding of related information; the controller is used for realizing the control method of the power takeoff of the off-road vehicle driving according to any one of the method embodiments.
In a third aspect, an embodiment of the present invention provides an off-road vehicle power take-off control apparatus, including: the first main module is used for judging the working state of the power takeoff if the power takeoff switch is closed; the second main module is used for entering a driving power take-off state if the power take-off is in a non-working state, the rotating speed of the engine is less than or equal to a first rotating speed threshold value, the first rotating speed threshold value is less than or equal to a second rotating speed threshold value, the time delay duration is equal to a first time duration threshold value, the power take-off state is combined, the driving power take-off state is sent to the intelligent information terminal, and the engine enters the driving power take-off state of the power take-off; the third main module is used for sending the vehicle speed too high reminding information to the intelligent information terminal and exiting the driving power taking if the vehicle speed is greater than the second vehicle speed threshold value; and the fourth main module is used for sending the vehicle speed too low reminding information to the intelligent information terminal and exiting the driving power taking if the vehicle speed is smaller than or equal to the first vehicle speed threshold value.
In a fourth aspect, an embodiment of the present invention provides an electronic device, including:
at least one processor; and
at least one memory communicatively coupled to the processor, wherein:
the memory stores program instructions executable by the processor, the processor invoking the program instructions to enable execution of the off-road vehicle drive power take-off control method provided by any of the various implementations of the first aspect.
In a fifth aspect, embodiments of the present invention provide a non-transitory computer-readable storage medium storing computer instructions that cause a computer to execute the off-road vehicle power take-off control method provided by any one of the various implementations of the first aspect.
According to the method and the device for controlling the driving power takeoff of the off-road vehicle, provided by the embodiment of the invention, through the interactive feedback of the man-machine signals adopted by the control method of the driving power takeoff, the driving power takeoff system has the interference suppression capability, and the condition judgment, the threshold setting, the delay response, the error prevention mechanism, the driver reminding and the like are added in the control link, so that an effective protection mechanism can be established for the driving power takeoff of the off-road vehicle, the convenience, the safety and the reliability of the driving power takeoff can be improved, the damage of the power takeoff caused by the improper operation of people is avoided, the damage of the loading device caused by the improper use of the power takeoff is avoided, and the intelligent control of the driving power takeoff of the off-road vehicle is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description will be given below of the drawings required for the embodiments or the prior art descriptions, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without any inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a control method of a power takeoff of an off-road vehicle;
FIG. 2 is a schematic diagram of a control device for a power takeoff of an off-road vehicle;
fig. 3 is a schematic diagram of an entity structure of an electronic device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a control system of a driving power takeoff of an off-road vehicle according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of 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, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. In addition, the technical features of each embodiment or the single embodiment provided by the invention can be combined with each other at will to form a feasible technical scheme, and the combination is not limited by the sequence of steps and/or the structural composition mode, but is necessarily based on the fact that a person of ordinary skill in the art can realize the combination, and when the technical scheme is contradictory or can not realize, the combination of the technical scheme is not considered to exist and is not within the protection scope of the invention claimed.
The embodiment of the invention provides a control method of a power takeoff of an off-road vehicle, which is shown in fig. 1 and comprises the following steps: if the power takeoff switch is closed, judging the working state of the power takeoff; if the power takeoff is in a idle state, the rotating speed of the engine is smaller than or equal to a first rotating speed threshold value, the first rotating speed threshold value is smaller than or equal to a second rotating speed threshold value, if the time delay time is equal to a first time length threshold value, the power takeoff states are combined, the power takeoff is started to take power, the working state of the power takeoff is sent to an intelligent information terminal, and the engine enters the power takeoff driving power taking working state; if the vehicle speed is greater than a second vehicle speed threshold value, sending a vehicle speed overhigh reminding message to the intelligent information terminal and exiting the driving power take-off; if the vehicle speed is smaller than or equal to the first vehicle speed threshold value, sending the vehicle speed too low reminding information to the intelligent information terminal and exiting the driving power take-off.
Based on the foregoing disclosure of the method embodiment, as an optional embodiment, the method for controlling a driving power takeoff of an off-road vehicle according to the embodiment of the present invention further includes, after the sending of the vehicle speed too low reminding information to the intelligent information terminal and the exiting of the driving power takeoff: if the power takeoff is in a driving power take-off state, the first vehicle speed threshold is smaller than the vehicle speed and smaller than or equal to the second vehicle speed threshold, if the time delay duration is equal to the first time duration threshold, the power takeoff state is combined, driving power take-off is carried out, the working state of the power takeoff is sent to the intelligent information terminal, and the engine enters the driving power take-off working state of the power takeoff; if the vehicle speed is greater than a second vehicle speed threshold value, sending a vehicle speed overhigh reminding message to the intelligent information terminal and exiting the driving power take-off; if the vehicle speed is smaller than or equal to the first vehicle speed threshold value, sending the vehicle speed too low reminding information to the intelligent information terminal and exiting the driving power take-off.
Based on the foregoing disclosure of the foregoing method embodiment, as an optional embodiment, the method for controlling a driving power takeoff of an off-road vehicle provided in the embodiment of the present invention, where the power takeoff is in a driving power takeoff state, includes: and limiting the engine speed to be less than or equal to a third speed threshold, monitoring the engine speed at the same time, and if the engine speed is less than the second speed threshold, sending a speed too low signal to the intelligent information terminal by the controller to prompt a driver to increase the engine speed.
Based on the foregoing disclosure of the foregoing method embodiment, as an optional embodiment, the method for controlling a driving power takeoff of an off-road vehicle according to the embodiment of the present invention further includes, after the power takeoff is in an idle state: and if the engine speed is greater than the first speed threshold, sending a warning message of the excessive engine speed to the intelligent information terminal and exiting the driving power take-off.
Based on the foregoing disclosure of the foregoing method embodiment, as an optional embodiment, the method for controlling a driving power takeoff of an off-road vehicle according to the embodiment of the present invention further includes, after the delay time length is equal to the first time length threshold: and if the power takeoff state is not combined, exiting the driving power takeoff.
Based on the foregoing disclosure of the foregoing method embodiment, as an optional embodiment, the method for controlling a driving power takeoff of an off-road vehicle according to the embodiment of the present invention further includes, before the power takeoff switch is closed: if the power takeoff switch is turned on, the driving power takeoff is withdrawn.
According to the control method of the driving power takeoff of the off-road vehicle, provided by the embodiment of the invention, through the interactive feedback of man-machine signals adopted by the control method of the driving power takeoff, the driving power takeoff system has the interference suppression capability, and the condition judgment, the threshold setting, the delay response, the error prevention mechanism, the driver reminding and the like are added in the control link, so that an effective protection mechanism can be established for the driving power takeoff of the off-road vehicle, the convenience, the safety and the reliability of the driving power takeoff can be improved, the damage of the power takeoff caused by the improper operation of people is avoided, the damage of loading equipment caused by the improper use of the power takeoff is avoided, and the intelligent control of the driving power takeoff of the off-road vehicle is realized.
According to the control method for the driving power takeoff of the off-road vehicle, the adopted closed-loop control has the interactive feedback of man-machine signals, so that the driving power takeoff system has the interference suppression capability; the control link is added with condition judgment, threshold setting, delay response, error prevention mechanism, driver reminding and the like, and has active protection and passive protection, thus forming a comprehensive protection mechanism. An effective protection mechanism can be established for the driving power takeoff system of the off-road vehicle, and the convenience, safety, stability and reliability of the driving power takeoff system are obviously improved; the control method can improve the control defects of the existing power takeoff, effectively avoid the damage of the power takeoff caused by improper manual operation, protect the upper equipment from being damaged due to improper use of the power takeoff system, reduce the risk of misoperation, simplify the operation steps of the driving power takeoff system, realize one-key entry and intelligent exit of the power takeoff, enable the control of the driving power takeoff system for the off-road vehicle to be more intelligent and convenient, and further enlarge the application of the driving power takeoff in the off-road vehicle refitted market.
The embodiment of the invention provides a power takeoff control system for an off-road vehicle, which comprises the following components in part by weight, as shown in fig. 4: the power takeoff device is used for receiving a power takeoff control signal from the controller and executing a combination and disconnection command of the power takeoff; the intelligent information terminal is used for receiving signals output by the controller and realizing the display of the working state of the power takeoff and the popup window reminding of related information; the controller is used for realizing the control method of the power takeoff of the off-road vehicle driving according to any one of the method embodiments. In the initial state, the power take-off device is disconnected. And receiving a power take-off device combination signal from the controller, wherein the power take-off device performs the combined action. And receiving a power take-off signal from the controller, wherein the power take-off device executes the action of disconnection. The intelligent information terminal receives the bus signal from the controller output, displays the signal content to the driver through the display screen, and sends out corresponding reminding, and the intelligent information terminal comprises: the method comprises the following steps of reminding an engine with too low or too high rotating speed, reminding a gear of a gearbox, reminding a vehicle speed with too high, reminding a brake, reminding a loading device to unload, and sending a working state signal of a power takeoff. And realizing the display of the working state of the power takeoff and the popup window reminding of related information. Specifically, the controller receives signals input from a peripheral hard line and a CAN bus through an input end, wherein the signals comprise a driver accelerator signal, an engine rotating speed signal, a vehicle speed signal, a gearbox gear signal, a brake signal, a power takeoff switching signal, a power takeoff output shaft torque signal and a power takeoff state signal; transmitting a signal to a power take-off device comprising a power take-off control signal; transmitting a signal to an intelligent information terminal, comprising: an engine speed too low or too high reminding, a gearbox gear reminding, a vehicle speed too high reminding, a braking reminding, a loading equipment non-unloading reminding and a power takeoff working state signal; the power take-off device receives a power take-off control signal output by the controller and executes a combination and disconnection command of the power take-off. The intelligent information terminal receives signals output by the controller, and comprises: the method comprises the following steps of reminding an engine with too low or too high rotating speed, reminding a gear of a gearbox, reminding a vehicle speed with too high, reminding a brake, reminding a loading device to unload, and sending a working state signal of a power takeoff. And realizing the display of the working state of the power takeoff and the popup window reminding of related information.
The implementation basis of the embodiments of the present invention is realized by a device with a processor function to perform programmed processing. Therefore, in engineering practice, the technical solutions and the functions of the embodiments of the present invention can be packaged into various modules. Based on the actual situation, on the basis of the above embodiments, the embodiment of the present invention provides an off-road vehicle driving power takeoff control device, which is used for executing the off-road vehicle driving power takeoff control method in the above method embodiment. Referring to fig. 2, the apparatus includes: the first main module is used for judging the working state of the power takeoff if the power takeoff switch is closed; the second main module is used for entering a driving power take-off state if the power take-off is in a non-working state, the rotating speed of the engine is less than or equal to a first rotating speed threshold value, the first rotating speed threshold value is less than or equal to a second rotating speed threshold value, the time delay duration is equal to a first time duration threshold value, the power take-off state is combined, the driving power take-off state is sent to the intelligent information terminal, and the engine enters the driving power take-off state of the power take-off; the third main module is used for sending the vehicle speed too high reminding information to the intelligent information terminal and exiting the driving power taking if the vehicle speed is greater than the second vehicle speed threshold value; and the fourth main module is used for sending the vehicle speed too low reminding information to the intelligent information terminal and exiting the driving power taking if the vehicle speed is smaller than or equal to the first vehicle speed threshold value.
The cross-country vehicle power takeoff control device provided by the embodiment of the invention adopts a plurality of modules in fig. 2, and the cross-country vehicle power takeoff control device has the capability of inhibiting interference through the interactive feedback of man-machine signals adopted by the cross-country vehicle power takeoff control method, and adds condition judgment, threshold setting, delay response, error prevention mechanism, driver reminding and the like in a control link, so that an effective protection mechanism can be established for the cross-country vehicle power takeoff, the convenience, safety and reliability of the cross-country vehicle power takeoff can be improved, the damage of the power takeoff caused by incorrect manual operation is avoided, the damage of loading equipment caused by incorrect use of the power takeoff is avoided, and the intelligent control of the cross-country vehicle power takeoff is realized.
It should be noted that, the device in the device embodiment provided by the present invention may be used to implement the method in the above method embodiment, and may also be used to implement the method in other method embodiments provided by the present invention, where the difference is merely that the corresponding functional module is provided, and the principle is basically the same as that of the above device embodiment provided by the present invention, so long as a person skilled in the art refers to a specific technical solution in the above device embodiment based on the above device embodiment, and obtains a corresponding technical means by combining technical features, and a technical solution formed by these technical means, and on the premise that the technical solution is ensured to have practicability, the device in the above device embodiment may be modified, so as to obtain a corresponding device embodiment, and be used to implement the method in other method embodiment. For example:
based on the content of the embodiment of the device, as an optional embodiment, the driving power takeoff control device for the off-road vehicle provided in the embodiment of the invention further includes: the first sub-module is used for realizing that after the vehicle speed too low reminding information is sent to the intelligent information terminal and the vehicle power taking is exited, the first sub-module further comprises: if the power takeoff is in a driving power take-off state, the first vehicle speed threshold is smaller than the vehicle speed and smaller than or equal to the second vehicle speed threshold, if the time delay duration is equal to the first time duration threshold, the power takeoff state is combined, driving power take-off is carried out, the working state of the power takeoff is sent to the intelligent information terminal, and the engine enters the driving power take-off working state of the power takeoff; if the vehicle speed is greater than a second vehicle speed threshold value, sending a vehicle speed overhigh reminding message to the intelligent information terminal and exiting the driving power take-off; if the vehicle speed is smaller than or equal to the first vehicle speed threshold value, sending the vehicle speed too low reminding information to the intelligent information terminal and exiting the driving power take-off.
Based on the content of the embodiment of the device, as an optional embodiment, the driving power takeoff control device for the off-road vehicle provided in the embodiment of the invention further includes: the second sub-module is used for realizing that the power takeoff is in a driving power taking state and comprises: and limiting the engine speed to be less than or equal to a third speed threshold, monitoring the engine speed at the same time, and if the engine speed is less than the second speed threshold, sending a speed too low signal to the intelligent information terminal by the controller to prompt a driver to increase the engine speed.
Based on the content of the embodiment of the device, as an optional embodiment, the driving power takeoff control device for the off-road vehicle provided in the embodiment of the invention further includes: and the third sub-module is used for realizing that after the power takeoff is in the idle state, the third sub-module further comprises: and if the engine speed is greater than the first speed threshold, sending a warning message of the excessive engine speed to the intelligent information terminal and exiting the driving power take-off.
Based on the content of the embodiment of the device, as an optional embodiment, the driving power takeoff control device for the off-road vehicle provided in the embodiment of the invention further includes: and the fourth sub-module is used for realizing that after the time delay time length is equal to the first time length threshold value, the fourth sub-module further comprises: and if the power takeoff state is not combined, exiting the driving power takeoff.
Based on the content of the embodiment of the device, as an optional embodiment, the driving power takeoff control device for the off-road vehicle provided in the embodiment of the invention further includes: a fifth sub-module, configured to, before the if power takeoff switch is closed, further include: if the power takeoff switch is turned on, the driving power takeoff is withdrawn.
The method of the embodiment of the invention is realized by the electronic equipment, so that the related electronic equipment is necessary to be introduced. To this end, an embodiment of the present invention provides an electronic device, as shown in fig. 3, including: at least one processor (processor), a communication interface (Communications Interface), at least one memory (memory) and a communication bus, wherein the at least one processor, the communication interface, and the at least one memory communicate with each other via the communication bus. The at least one processor may invoke logic instructions in the at least one memory to perform all or part of the steps of the methods provided by the various method embodiments described above.
Further, the logic instructions in at least one of the memories described above may be implemented in the form of a software functional unit and may be stored in a computer-readable storage medium when sold or used as a stand-alone product. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or may be implemented by hardware. Based on this understanding, the foregoing technical solution may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the respective embodiments or some parts of the embodiments.
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. Based on this knowledge, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In this patent, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the 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 scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (9)

1. The control method of the power takeoff of the off-road vehicle is characterized by comprising the following steps of:
the power take-off device is used for receiving a power take-off control signal from the controller and executing combination and disconnection commands of the power take-off;
if the power takeoff switch is closed, judging the working state of the power takeoff;
if the power takeoff is in a idle state, the rotating speed of the engine is smaller than or equal to a first rotating speed threshold value, the first rotating speed threshold value is smaller than or equal to a second rotating speed threshold value, if the time delay time is equal to a first time length threshold value, the states of the power takeoff devices are combined, the power takeoff device enters a driving power take-off state, the working state of the power takeoff is sent to an intelligent information terminal, and the engine enters the driving power take-off working state of the power takeoff;
if the vehicle speed is greater than a second vehicle speed threshold value, sending a vehicle speed overhigh reminding message to the intelligent information terminal and exiting the driving power take-off;
if the vehicle speed is smaller than or equal to the first vehicle speed threshold value, sending the vehicle speed too low reminding information to the intelligent information terminal and exiting the driving power take-off.
2. The off-road vehicle power take-off control method according to claim 1, further comprising, after the sending of the vehicle speed too low warning message to the intelligent information terminal and the exit of the power take-off:
if the power takeoff is in a driving power take-off state, the first vehicle speed threshold is smaller than the vehicle speed and smaller than or equal to the second vehicle speed threshold, if the time delay duration is equal to the first time duration threshold, the power takeoff device state is combined, driving power take-off is carried out, the working state of the power takeoff is sent to the intelligent information terminal, and the engine enters the driving power take-off working state of the power takeoff;
if the vehicle speed is greater than a second vehicle speed threshold value, sending a vehicle speed overhigh reminding message to the intelligent information terminal and exiting the driving power take-off;
if the vehicle speed is smaller than or equal to the first vehicle speed threshold value, sending the vehicle speed too low reminding information to the intelligent information terminal and exiting the driving power take-off.
3. The off-road vehicle service power take-off control method of claim 2, wherein the power take-off is in a service power take-off state, comprising: and limiting the engine speed to be less than or equal to a third speed threshold, monitoring the engine speed at the same time, and if the engine speed is less than the second speed threshold, sending a speed too low signal to the intelligent information terminal by the controller to prompt a driver to increase the engine speed.
4. The off-road vehicle service power take-off control method as defined in claim 3, further comprising, after the if power take-off is in an idle state: and if the engine speed is greater than the first speed threshold, sending a warning message of the excessive engine speed to the intelligent information terminal and exiting the driving power take-off.
5. The off-road vehicle drive power take-off control method of claim 4, further comprising, after the if delay time period is equal to a first time period threshold: and if the power takeoff device is in a non-combination state, exiting the driving power takeoff.
6. A power take-off control system for an off-road vehicle, comprising: the power takeoff device is used for receiving a power takeoff control signal from the controller and executing a combination and disconnection command of the power takeoff; the intelligent information terminal is used for receiving signals output by the controller and realizing the display of the working state of the power takeoff and the popup window reminding of related information; a controller for implementing the off-road vehicle drive power take-off control method as claimed in any one of claims 1 to 5.
7. A power takeoff control device for an off-road vehicle, comprising: the first main module is used for judging the working state of the power takeoff if the power takeoff switch is closed; the second main module is used for entering a driving power take-off state if the power take-off is in a non-working state, the rotating speed of the engine is less than or equal to a first rotating speed threshold value, the first rotating speed threshold value is less than or equal to a second rotating speed threshold value, the time delay duration is equal to a first time duration threshold value, the power take-off device states are combined, the driving power take-off state is sent to the intelligent information terminal, and the engine enters the driving power take-off state of the power take-off; the third main module is used for sending the vehicle speed too high reminding information to the intelligent information terminal and exiting the driving power taking if the vehicle speed is greater than the second vehicle speed threshold value; and the fourth main module is used for sending the vehicle speed too low reminding information to the intelligent information terminal and exiting the driving power taking if the vehicle speed is smaller than or equal to the first vehicle speed threshold value.
8. An electronic device, comprising:
at least one processor, at least one memory, and a communication interface; wherein,,
the processor, the memory and the communication interface are communicated with each other;
the memory stores program instructions executable by the processor, the processor invoking the program instructions to perform the method of any of claims 1-5.
9. A non-transitory computer readable storage medium storing computer instructions that cause the computer to perform the method of any one of claims 1 to 5.
CN202111443138.5A 2021-11-30 2021-11-30 Method and equipment for controlling power takeoff of off-road vehicle Active CN114198495B (en)

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US7846064B2 (en) * 2004-01-20 2010-12-07 Eaton Corporation Control for an electromagnetic brake for a multiple-ratio power transmission that has a neutral switch for power take-off engagement
US10087861B2 (en) * 2016-01-11 2018-10-02 Cnh Industrial America Llc Engine speed secondary anti-windup PID controller for an automotive productivity manager
CN107364334B (en) * 2017-07-21 2019-06-18 三一汽车起重机械有限公司 Automatic power taking open method and device
CN108150638A (en) * 2017-12-27 2018-06-12 北奔重型汽车集团有限公司 A kind of hydraulic automatic speed variator shift control method
CN112178185A (en) * 2020-09-14 2021-01-05 中联重科股份有限公司 Automatic gear-engaging and power-taking method and system for gearbox and single-engine motorcycle crane

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