CN114162066A - Method and equipment for controlling withdrawal power take-off of vehicle power takeoff - Google Patents
Method and equipment for controlling withdrawal power take-off of vehicle power takeoff Download PDFInfo
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- CN114162066A CN114162066A CN202111443209.1A CN202111443209A CN114162066A CN 114162066 A CN114162066 A CN 114162066A CN 202111443209 A CN202111443209 A CN 202111443209A CN 114162066 A CN114162066 A CN 114162066A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
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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
- B60K25/00—Auxiliary drives
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Abstract
The invention provides a method and equipment for controlling a vehicle power takeoff to withdraw power. The method comprises the following steps: determining that the working state of the power takeoff reaches a power withdrawal condition; if the torque of the output shaft of the power takeoff is larger than the torque threshold value, sending unloading information of the loading equipment to remind a terminal; if the torque of the output shaft of the power takeoff is smaller than or equal to the torque threshold value, controlling the power takeoff to be disconnected; and after the delay time length is equal to the first time length threshold value, if the power takeoff is in a disconnected state, a power takeoff closing working state signal is sent to the intelligent information terminal, and the engine enters a power takeoff closing working state. The invention can accurately withdraw the power takeoff when the power takeoff needs to withdraw the power takeoff, effectively avoids the damage of the power takeoff caused by improper manual operation, reduces the risk of misoperation and realizes the intelligent operation of withdrawing the power takeoff.
Description
Technical Field
The embodiment of the invention relates to the technical field of control of a vehicle power takeoff, in particular to a method and equipment for controlling withdrawal power takeoff of the vehicle power takeoff.
Background
The power takeoff is applied to vehicles, obtains power from a power system and transmits the power to other upper equipment, can be used for power takeoff of the upper equipment and high-power generation output, and can meet the operation and use requirements of the upper equipment of most refitted users. The vehicle's upper-mounted equipment needs to withdraw the power after power take-off, and therefore a control mode is needed for stable power interruption in vehicle parking or driving conditions. The power takeoff that uses in the current vehicle field, its control method are artifical manual control, can't accomplish to carry out the accuracy to the power takeoff and withdraw from power takeoff operation, cause the damage of power takeoff because of artificial misoperation easily. Therefore, it is an urgent technical problem in the art to develop a method and apparatus for controlling withdrawal of a power takeoff of a vehicle power takeoff to effectively overcome the above-mentioned drawbacks of the related art.
Disclosure of Invention
In view of the above problems in the prior art, embodiments of the present invention provide a method and an apparatus for controlling withdrawal of a power takeoff of a vehicle power takeoff.
In a first aspect, an embodiment of the present invention provides a vehicle power takeoff withdrawal control method, including: determining that the working state of the power takeoff reaches a power withdrawal condition; if the torque of the output shaft of the power takeoff is larger than the torque threshold value, sending unloading information of the loading equipment to remind a terminal; if the torque of the output shaft of the power takeoff is smaller than or equal to the torque threshold value, controlling the power takeoff to be disconnected; and after the delay time length is equal to the first time length threshold value, if the power takeoff is in a disconnected state, a power takeoff closing working state signal is sent to the intelligent information terminal, and the engine enters a power takeoff closing working state.
On the basis of the content of the foregoing method embodiment, in the method for controlling withdrawal of a power takeoff of a vehicle power takeoff provided in an embodiment of the present invention, it is determined that an operating state of the power takeoff reaches a withdrawal power takeoff condition, and accordingly, the withdrawal power takeoff condition includes: when the power takeoff is in parking power takeoff operating condition, reach and withdraw from the parking power takeoff condition, specifically include: when the rotating speed of the engine is greater than the first rotating speed threshold value, sending an engine rotating speed overhigh reminding message to the intelligent information terminal; or the vehicle speed is greater than zero, and the vehicle speed overhigh reminding information is sent to the intelligent information terminal; or the gearbox gear signal is not in a neutral position, and the gearbox gear signal reminding information is sent to the intelligent information terminal; or the parking braking signal is off, and parking signal reminding information is sent to the intelligent information terminal; or the power takeoff switch is off.
On the basis of the content of the foregoing method embodiment, in the method for controlling withdrawal of a power takeoff of a vehicle power takeoff provided in an embodiment of the present invention, it is determined that an operating state of the power takeoff reaches a withdrawal power takeoff condition, and accordingly, the withdrawal power takeoff condition further includes: when the power takeoff is in driving power takeoff operating condition, reach and withdraw from driving power takeoff condition, specifically include: when the vehicle speed is equal to zero, sending a warning message of too low vehicle speed to the intelligent information terminal; or the vehicle speed is greater than a second vehicle speed threshold value, and the vehicle speed overhigh reminding information is sent to the intelligent information terminal; or the power takeoff switch is disconnected.
On the basis of the content of the embodiment of the method, the method for controlling the vehicle power takeoff to quit power takeoff provided in the embodiment of the invention further comprises the following steps after the information reminding that the uploading device is not unloaded is sent to the terminal: returning to continuously judge whether the torque of the output shaft of the power takeoff is less than or equal to the torque threshold value.
On the basis of the content of the embodiment of the method, the method for controlling the vehicle power takeoff to exit from the power takeoff provided by the embodiment of the invention further comprises the following steps after the time delay duration is equal to the first time threshold: if the power takeoff is in the combined state, returning to continuously judge whether the power takeoff is in the disconnected state.
On the basis of the content of the embodiment of the method, the method for controlling the vehicle power takeoff to quit power takeoff provided by the embodiment of the invention comprises the following steps: the engine enters power take-off rotating speed control, and the power take-off outputs a second rotating speed threshold value stably.
On the basis of the content of the embodiment of the method, the method for controlling the vehicle power takeoff to quit power takeoff provided by the embodiment of the invention comprises the following steps: and limiting the rotating speed of the engine to be less than or equal to a third rotating speed threshold value, monitoring the rotating speed of the engine, and sending a rotating speed too low signal to the intelligent information terminal to prompt a driver to increase the rotating speed of the engine when the rotating speed of the engine is less than the second rotating speed threshold value.
In a second aspect, an embodiment of the present invention provides a vehicle power takeoff withdrawal power take-off control apparatus, including: the first main module is used for determining that the working state of the power takeoff reaches a withdrawal power takeoff condition; the second main module is used for sending unloading information of the loading equipment to remind a terminal if the torque of an output shaft of the power takeoff is larger than a torque threshold value; the third main module is used for controlling the power takeoff to be disconnected if the torque of the output shaft of the power takeoff is smaller than or equal to a torque threshold value; and the fourth main module is used for sending a power takeoff closing working state signal to the intelligent information terminal if the power takeoff is in a disconnected state after the delay time length is equal to the first time length threshold value, and the engine enters the power takeoff closing working state.
In a third 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, and the processor calls the program instructions to execute the vehicle power takeoff exit power takeoff control method provided by any one of the various implementation manners of the first aspect.
In a fourth aspect, embodiments of the present invention provide a non-transitory computer-readable storage medium storing computer instructions that cause a computer to perform the method for exit power take-off control of a vehicle power take-off provided in any of the various implementations of the first aspect.
According to the method and the device for controlling the withdrawal of the power takeoff of the vehicle power takeoff, through judging that the torque of the output shaft of the power takeoff is larger than the torque threshold, the unloaded information of the loading device is sent to the terminal, if the torque of the output shaft of the power takeoff is smaller than or equal to the torque threshold, the power takeoff is controlled to be disconnected, after the delay time is equal to the first time threshold, if the power takeoff is in a disconnected state, the engine is controlled to enter a power takeoff closing working state, the power takeoff can be accurately withdrawn when the power takeoff needs to withdraw the power takeoff, the damage of the power takeoff caused by improper manual operation is effectively avoided, the misoperation risk is reduced, and the intelligent operation of withdrawing the power takeoff 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 to the drawings required for the description of the embodiments or the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a flowchart of a method for controlling withdrawal of a power takeoff of a vehicle power takeoff according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a withdrawal power take-off control device of a vehicle power takeoff according to an embodiment of the present invention;
fig. 3 is a schematic physical structure diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. In addition, technical features of various embodiments or individual embodiments provided by the present invention may be arbitrarily combined with each other to form a feasible technical solution, and such combination is not limited by the sequence of steps and/or the structural composition mode, but must be realized by a person skilled in the art, and when the technical solution combination is contradictory or cannot be realized, such a technical solution combination should not be considered to exist and is not within the protection scope of the present invention.
The method for controlling the withdrawal of the power takeoff of the vehicle power takeoff effectively avoids the damage of the power takeoff and the damage of loading equipment caused by improper manual operation, can effectively form a certain protection mechanism, and enables the withdrawal of the power takeoff to be more intelligent, convenient, safe and reliable. Based on the idea, an embodiment of the present invention provides a method for controlling withdrawal of a power takeoff of a vehicle power takeoff, and referring to fig. 1, the method includes: determining that the working state of the power takeoff reaches a power withdrawal condition; if the torque of the output shaft of the power takeoff is larger than the torque threshold value, sending unloading information of the loading equipment to remind a terminal; if the torque of the output shaft of the power takeoff is smaller than or equal to the torque threshold value, controlling the power takeoff to be disconnected; and after the delay time length is equal to the first time length threshold value, if the power takeoff is in a disconnected state, a power takeoff closing working state signal is sent to the intelligent information terminal, and the engine enters a power takeoff closing working state.
Based on the content of the foregoing method embodiment, as an alternative embodiment, in the method for controlling withdrawal of a power takeoff of a vehicle power takeoff provided in the embodiment of the present invention, the determining that the operating state of the power takeoff reaches a withdrawal condition is that, accordingly, the withdrawal condition includes: when the power takeoff is in parking power takeoff operating condition, reach and withdraw from the parking power takeoff condition, specifically include: when the rotating speed of the engine is greater than the first rotating speed threshold value, sending an engine rotating speed overhigh reminding message to the intelligent information terminal; or the vehicle speed is greater than zero, and the vehicle speed overhigh reminding information is sent to the intelligent information terminal; or the gearbox gear signal is not in a neutral position, and the gearbox gear signal reminding information is sent to the intelligent information terminal; or the parking braking signal is off, and parking signal reminding information is sent to the intelligent information terminal; or the power takeoff switch is off.
Based on the content of the foregoing method embodiment, as an optional embodiment, in the method for controlling withdrawal of a power takeoff of a vehicle power takeoff provided in the embodiment of the present invention, the determining that the operating state of the power takeoff reaches a withdrawal condition is that, correspondingly, the withdrawal condition further includes: when the power takeoff is in driving power takeoff operating condition, reach and withdraw from driving power takeoff condition, specifically include: when the vehicle speed is equal to zero, sending a warning message of too low vehicle speed to the intelligent information terminal; or the vehicle speed is greater than a second vehicle speed threshold value, and the vehicle speed overhigh reminding information is sent to the intelligent information terminal; or the power takeoff switch is disconnected.
Based on the content of the foregoing method embodiment, as an optional embodiment, the method for controlling withdrawal of the power takeoff of the vehicle power takeoff provided in the embodiment of the present invention further includes, after the sending of the information reminding that the loading device is not unloaded to the terminal, that: returning to continuously judge whether the torque of the output shaft of the power takeoff is less than or equal to the torque threshold value.
Based on the content of the foregoing method embodiment, as an optional embodiment, the method for controlling withdrawal of the power takeoff of the vehicle power takeoff provided in the embodiment of the present invention further includes, after the time delay duration is equal to the first time duration threshold value: if the power takeoff is in the combined state, returning to continuously judge whether the power takeoff is in the disconnected state.
Based on the content of the foregoing method embodiment, as an alternative embodiment, the method for withdrawing power takeoff control of a vehicle power takeoff provided in the embodiment of the present invention, where the parking power takeoff operating state includes: the engine enters power take-off rotating speed control, and the power take-off outputs a second rotating speed threshold value stably.
Based on the content of the foregoing method embodiment, as an optional embodiment, the method for controlling the vehicle power takeoff to exit from the power takeoff provided in the embodiment of the present invention includes: and limiting the rotating speed of the engine to be less than or equal to a third rotating speed threshold value, monitoring the rotating speed of the engine, and sending a rotating speed too low signal to the intelligent information terminal to prompt a driver to increase the rotating speed of the engine when the rotating speed of the engine is less than the second rotating speed threshold value.
According to the method for controlling the withdrawal of the power takeoff of the vehicle power takeoff, the torque of the output shaft of the power takeoff is judged to be larger than the torque threshold, unloaded information of loading equipment is sent to remind a terminal, if the torque of the output shaft of the power takeoff is smaller than or equal to the torque threshold, the power takeoff is controlled to be disconnected, after the delay time is equal to the first time threshold, the power takeoff is controlled to enter a power takeoff closing working state if the power takeoff is in a disconnecting state, the power takeoff can be accurately withdrawn when the power takeoff needs to withdraw the power takeoff, the damage of the power takeoff caused by improper manual operation is effectively avoided, the misoperation risk is reduced, and the intelligent operation of withdrawing the power takeoff is realized.
The embodiment of the invention provides a method for controlling the withdrawal of a power takeoff of a vehicle power takeoff, which comprises the following working processes of: step one, judging the condition of quitting the power takeoff; a) when the power take-off operating state is S1 (i.e., the power take-off state), the power take-off is already in the off state, and the next step need not be performed; b) when the power takeoff working state is S2 (namely the power takeoff is in a parking power takeoff working state), firstly, the rotating speed of the engine is greater than a first rotating speed threshold value, an engine rotating speed high prompt is sent to the intelligent information terminal, and then the second step is executed; secondly, when the vehicle speed is greater than 0, sending a vehicle speed high prompt to the intelligent information terminal, and then executing a second step; thirdly, sending a gearbox gear signal prompt to the intelligent information terminal when the gearbox gear signal is not in the neutral position, and then executing a second step; fourthly, if the parking brake signal is off, sending a parking signal to remind the intelligent information terminal, and then executing the second step; and fifthly, executing the second step when the power take-off switch of the power take-off is turned off. And (5) if any one or more of the conditions are met, executing the second step. c) When the power takeoff working state is S3 (namely the power takeoff is in a driving power takeoff working state), firstly, the vehicle speed is 0, a low vehicle speed prompt is sent to the intelligent information terminal, and then the second step is executed; secondly, sending a high-speed prompt to the intelligent information terminal when the vehicle speed is greater than a second vehicle speed threshold value, and then executing a second step; and executing the second step when the power take-off switch of the power take-off is turned off. And (3) if any one or more of the conditions are met, executing the second step.
Secondly, withdrawing the power takeoff; judging whether the torque of the output shaft of the power takeoff is less than or equal to a torque threshold value, if not, sending unloading information of the loading equipment to remind a terminal, returning to the previous state, and continuously judging whether the torque of the output shaft of the power takeoff is less than or equal to the torque threshold value; and if the judgment result is yes, carrying out the next step. And controlling the power takeoff device to be disconnected by the controller. Judging whether the power takeoff state is disconnected or not after the delay time length is equal to a second time length threshold value, if not, returning to the previous state, and continuously judging the power takeoff combination state; and if the judgment result is yes, carrying out the next step. And fourthly, the controller sends a power takeoff working state S1 signal to the intelligent information terminal. And fifthly, if the parking power take-off is stopped, the power take-off rotating speed control of the engine is cancelled, and the rotating speed output of the power take-off is cancelled. If the power takeoff is quitted, the limitation of the power takeoff and the rotating speed of the engine is cancelled, the monitoring of the rotating speed of the engine is cancelled, and the rotating speed output of the power takeoff is cancelled.
According to the method for controlling the withdrawal power take-off of the vehicle power takeoff, provided by the embodiment of the invention, interactive feedback of man-machine signals exists, so that a withdrawal power take-off system has the capability of inhibiting interference; the condition judgment, threshold setting, time delay response, error prevention mechanism, driver reminding and the like are added in the control link, active protection and passive protection are achieved, a set of comprehensive protection mechanism is formed, and the off-road vehicle power takeoff system is more intelligent, convenient, safe, stable and reliable in control. The control method can improve the control defect of the conventional power takeoff, effectively avoids the damage of the power takeoff caused by improper manual operation, can also protect the upper equipment from being damaged due to improper use of a power takeoff system, and reduces the misoperation risk; meanwhile, the operation steps of withdrawing the power takeoff system are simplified, one-key power take-off and intelligent withdrawal of the power takeoff are realized, the control of the withdrawal power takeoff system for the off-road vehicle is more intelligent and convenient, and the application of the power takeoff in the off-road vehicle refitting market is further expanded.
The implementation basis of the various embodiments of the present invention is realized by programmed processing performed by a device having a processor function. Therefore, in engineering practice, the technical solutions and functions thereof of the embodiments of the present invention can be packaged into various modules. Based on this reality, on the basis of the above embodiments, embodiments of the present invention provide a vehicle power takeoff withdrawal power take-off control apparatus for performing the vehicle power takeoff withdrawal power take-off control method in the above method embodiments. Referring to fig. 2, the apparatus includes: the first main module is used for determining that the working state of the power takeoff reaches a withdrawal power takeoff condition; the second main module is used for sending unloading information of the loading equipment to remind a terminal if the torque of an output shaft of the power takeoff is larger than a torque threshold value; the third main module is used for controlling the power takeoff to be disconnected if the torque of the output shaft of the power takeoff is smaller than or equal to a torque threshold value; and the fourth main module is used for sending a power takeoff closing working state signal to the intelligent information terminal if the power takeoff is in a disconnected state after the delay time length is equal to the first time length threshold value, and the engine enters the power takeoff closing working state.
The vehicle power takeoff quitting power takeoff control device provided by the embodiment of the invention adopts a plurality of modules in a graph 2, through judging that the torque of the output shaft of the power takeoff is larger than a torque threshold, information that loading equipment is not unloaded is sent to remind a terminal, if the torque of the output shaft of the power takeoff is smaller than or equal to the torque threshold, the power takeoff is controlled to be disconnected, after the delay time is equal to a first time threshold, if the power takeoff is in a disconnected state, an engine is controlled to enter a power takeoff closing working state, accurate quitting operation can be carried out on the power takeoff when the power takeoff needs to quitting the power takeoff, the damage of the power takeoff caused by improper manual operation is effectively avoided, the misoperation risk is reduced, and the intelligent operation of power takeoff is realized.
It should be noted that, the apparatus in the apparatus embodiment provided by the present invention may be used for implementing methods in other method embodiments provided by the present invention, except that corresponding function modules are provided, and the principle of the apparatus embodiment provided by the present invention is basically the same as that of the apparatus embodiment provided by the present invention, so long as a person skilled in the art obtains corresponding technical means by combining technical features on the basis of the apparatus embodiment described above, and obtains a technical solution formed by these technical means, on the premise of ensuring that the technical solution has practicability, the apparatus in the apparatus embodiment described above may be modified, so as to obtain a corresponding apparatus class embodiment, which is used for implementing methods in other method class embodiments. For example:
based on the content of the above device embodiment, as an optional embodiment, the vehicle power takeoff withdrawal control device provided in the embodiment of the present invention further includes: a first submodule, configured to implement the determination that the operating state of the power take-off reaches an exit power take-off condition, and accordingly, the exit power take-off condition includes: when the power takeoff is in parking power takeoff operating condition, reach and withdraw from the parking power takeoff condition, specifically include: when the rotating speed of the engine is greater than the first rotating speed threshold value, sending an engine rotating speed overhigh reminding message to the intelligent information terminal; or the vehicle speed is greater than zero, and the vehicle speed overhigh reminding information is sent to the intelligent information terminal; or the gearbox gear signal is not in a neutral position, and the gearbox gear signal reminding information is sent to the intelligent information terminal; or the parking braking signal is off, and parking signal reminding information is sent to the intelligent information terminal; or the power takeoff switch is off.
Based on the content of the above device embodiment, as an optional embodiment, the vehicle power takeoff withdrawal control device provided in the embodiment of the present invention further includes: a second sub-module, configured to implement the determining that the operating state of the power take-off reaches an exit power take-off condition, where the exit power take-off condition further includes: when the power takeoff is in driving power takeoff operating condition, reach and withdraw from driving power takeoff condition, specifically include: when the vehicle speed is equal to zero, sending a warning message of too low vehicle speed to the intelligent information terminal; or the vehicle speed is greater than a second vehicle speed threshold value, and the vehicle speed overhigh reminding information is sent to the intelligent information terminal; or the power takeoff switch is disconnected.
Based on the content of the above device embodiment, as an optional embodiment, the vehicle power takeoff withdrawal control device provided in the embodiment of the present invention further includes: the third sub-module is configured to implement that after the sending of the non-unloading information reminder of the loading device to the terminal, the method further includes: returning to continuously judge whether the torque of the output shaft of the power takeoff is less than or equal to the torque threshold value.
Based on the content of the above device embodiment, as an optional embodiment, the vehicle power takeoff withdrawal control device provided in the embodiment of the present invention further includes: the fourth sub-module, configured to implement that after the delay time is equal to the first time threshold, the method further includes: if the power takeoff is in the combined state, returning to continuously judge whether the power takeoff is in the disconnected state.
Based on the content of the above device embodiment, as an optional embodiment, the vehicle power takeoff withdrawal control device provided in the embodiment of the present invention further includes: the fifth submodule is used for realizing the parking power take-off working state and comprises: the engine enters power take-off rotating speed control, and the power take-off outputs a second rotating speed threshold value stably.
Based on the content of the above device embodiment, as an optional embodiment, the vehicle power takeoff withdrawal control device provided in the embodiment of the present invention further includes: the sixth submodule is used for realizing the driving power takeoff working state, and comprises: and limiting the rotating speed of the engine to be less than or equal to a third rotating speed threshold value, monitoring the rotating speed of the engine, and sending a rotating speed too low signal to the intelligent information terminal to prompt a driver to increase the rotating speed of the engine when the rotating speed of the engine is less than the second rotating speed threshold value.
The method of the embodiment of the invention is realized by depending on the electronic equipment, so that the related electronic equipment is necessarily introduced. To this end, an embodiment of the present invention provides an electronic apparatus, as shown in fig. 3, including: the system comprises at least one processor (processor), a communication Interface (communication 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 are communicated with each other through the communication bus. The at least one processor may invoke logic instructions in the at least one memory to perform all or a portion of the steps of the methods provided by the various method embodiments described above.
In addition, the logic instructions in the at least one memory may be implemented in software functional units and stored in a computer readable storage medium when sold or used as a stand-alone product. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the method 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), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
The flowchart 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 recognition, each block in the flowchart or block diagrams may represent a module, a program segment, or a 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 identical elements in a process, method, article, or apparatus that comprises the element.
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 (10)
1. A withdrawal power take-off control method of a vehicle power takeoff is characterized by comprising the following steps: determining that the working state of the power takeoff reaches a power withdrawal condition; if the torque of the output shaft of the power takeoff is larger than the torque threshold value, sending unloading information of the loading equipment to remind a terminal; if the torque of the output shaft of the power takeoff is smaller than or equal to the torque threshold value, controlling the power takeoff to be disconnected; and after the delay time length is equal to the first time length threshold value, if the power takeoff is in a disconnected state, a power takeoff closing working state signal is sent to the intelligent information terminal, and the engine enters a power takeoff closing working state.
2. The vehicle power takeoff withdrawal control method as claimed in claim 1, wherein said determining that the operating state of the power takeoff reaches a withdrawal power takeoff condition, said withdrawal power takeoff condition accordingly comprises: when the power takeoff is in parking power takeoff operating condition, reach and withdraw from the parking power takeoff condition, specifically include: when the rotating speed of the engine is greater than the first rotating speed threshold value, sending an engine rotating speed overhigh reminding message to the intelligent information terminal; or the vehicle speed is greater than zero, and the vehicle speed overhigh reminding information is sent to the intelligent information terminal; or the gearbox gear signal is not in a neutral position, and the gearbox gear signal reminding information is sent to the intelligent information terminal; or the parking braking signal is off, and parking signal reminding information is sent to the intelligent information terminal; or the power takeoff switch is off.
3. The vehicle power takeoff withdrawal control method as claimed in claim 2, wherein said determining that the operating state of the power takeoff reaches a withdrawal power takeoff condition, and accordingly, said withdrawal power takeoff condition further comprises: when the power takeoff is in driving power takeoff operating condition, reach and withdraw from driving power takeoff condition, specifically include: when the vehicle speed is equal to zero, sending a warning message of too low vehicle speed to the intelligent information terminal; or the vehicle speed is greater than a second vehicle speed threshold value, and the vehicle speed overhigh reminding information is sent to the intelligent information terminal; or the power takeoff switch is disconnected.
4. The vehicle power takeoff withdrawal control method as claimed in claim 3, further comprising, after sending a no-load information reminder to the terminal, the step of: returning to continuously judge whether the torque of the output shaft of the power takeoff is less than or equal to the torque threshold value.
5. The vehicle power takeoff withdrawal control method as claimed in claim 4, further comprising, after said delay period equals to a first time period threshold value: if the power takeoff is in the combined state, returning to continuously judge whether the power takeoff is in the disconnected state.
6. The power takeoff withdrawal control method of a vehicle power takeoff according to claim 5, wherein the parking power takeoff operation state includes: the engine enters power take-off rotating speed control, and the power take-off outputs a second rotating speed threshold value stably.
7. The vehicle power takeoff withdrawal control method as set forth in claim 6, wherein said driving power takeoff operation state includes: and limiting the rotating speed of the engine to be less than or equal to a third rotating speed threshold value, monitoring the rotating speed of the engine, and sending a rotating speed too low signal to the intelligent information terminal to prompt a driver to increase the rotating speed of the engine when the rotating speed of the engine is less than the second rotating speed threshold value.
8. A withdrawal power take-off control device for a vehicle power takeoff device, comprising: the first main module is used for determining that the working state of the power takeoff reaches a withdrawal power takeoff condition; the second main module is used for sending unloading information of the loading equipment to remind a terminal if the torque of an output shaft of the power takeoff is larger than a torque threshold value; the third main module is used for controlling the power takeoff to be disconnected if the torque of the output shaft of the power takeoff is smaller than or equal to a torque threshold value; and the fourth main module is used for sending a power takeoff closing working state signal to the intelligent information terminal if the power takeoff is in a disconnected state after the delay time length is equal to the first time length threshold value, and the engine enters the power takeoff closing working state.
9. 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 to 7.
10. A non-transitory computer-readable storage medium storing computer instructions for causing a computer to perform the method of any one of claims 1 to 7.
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| CN202111443209.1A CN114162066B (en) | 2021-11-30 | 2021-11-30 | Method and equipment for controlling withdrawal and taking force of power takeoff for vehicle |
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| CN202111443209.1A CN114162066B (en) | 2021-11-30 | 2021-11-30 | Method and equipment for controlling withdrawal and taking force of power takeoff for vehicle |
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