CN114294411A - Display method and system for manual gear and automobile - Google Patents
Display method and system for manual gear and automobile Download PDFInfo
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- CN114294411A CN114294411A CN202111625100.XA CN202111625100A CN114294411A CN 114294411 A CN114294411 A CN 114294411A CN 202111625100 A CN202111625100 A CN 202111625100A CN 114294411 A CN114294411 A CN 114294411A
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Abstract
The invention discloses a method and a system for displaying a manual gear and an automobile, and relates to the technical field of automobile manual gear display, wherein the display method comprises the following steps: step S10, acquiring a displacement signal and an angle signal of the gear selecting and shifting gear; step S20, determining the gear position value of the manual gear according to the displacement signal and the angle signal of the gear selecting and shifting gear; and step S30, sending the determined gear value of the manual gear to a display for display. According to the invention, the displacement signal and the angle signal of the gear selecting and shifting gear are firstly acquired, the gear value of the manual gear is determined according to the displacement signal and the angle signal of the gear selecting and shifting gear, and finally the determined gear value of the manual gear is sent to the display for displaying, so that the student can be rapidly helped to clearly identify the gear, and the skill of the student on gear engaging is improved.
Description
Technical Field
The invention relates to the technical field of automobile manual gear display, in particular to a method and a system for displaying a manual gear and an automobile.
Background
The audience population of driving school vehicles is becoming younger and the rapid improvement of learning efficiency is a desire of most young students. The learner-driven vehicle is a vehicle specially used for teaching in driving schools, is mainly used for driving training of driving learners, and has special requirements compared with a common special vehicle. In addition, the commercial learner-driven vehicle is different from a passenger learner-driven vehicle, is difficult to block in gear engaging force and hand feeling and is difficult to identify. Therefore, it is desirable to provide a manual gear indication system to quickly help the trainee clearly identify the gear, so as to improve the skill of the trainee in engaging the gear, and the gear selection is clear and reliable.
Disclosure of Invention
The embodiment of the invention provides a method and a system for displaying a manual gear and an automobile, and aims to solve the technical problem that a student is difficult to identify the manual gear when a commercial learner-driven vehicle in the related art is used.
In a first aspect, a method for displaying a manual gear is provided, and the method includes:
acquiring a displacement signal and an angle signal of a gear selecting and shifting gear;
determining a gear position value of the manual gear according to the displacement signal and the angle signal of the gear selecting and shifting gear;
and sending the determined gear value of the manual gear to a display for displaying.
In some embodiments, the step of acquiring a displacement signal of the gear selecting and shifting gear comprises:
when the gear shifting gear selecting and shifting gear moves left and right, the magnetic field sensitive element is used for inducing magnetic flux change and generating a first PWM signal with a first duty ratio, and the first PWM signal is used as a displacement signal.
In some embodiments, the step of obtaining the angle signal of the gear selecting and shifting includes:
when the gear shifting gear selecting and shifting gear rotates, the magnetic field sensitive element is used for sensing the magnetic flux change and generating a second PWM signal with a second duty ratio, and the second PWM signal is used as an angle signal.
In some embodiments, the step of determining the gear position value of the manual gear according to the displacement signal and the angle signal of the gear selecting and shifting gear includes:
and inquiring a prestored duty ratio value-gear value comparison table, and determining the gear value of the manual gear according to the duty ratio values of the first PWM signal and the second PWM signal.
In some embodiments, the step of sending the determined gear value of the manual gear to the display for display includes:
and converting the determined gear value of the manual gear into a bus message, and sending the bus message to a display for displaying through a CAN bus.
In a second aspect, a display system for a manual gear is provided, the display system comprising: a controller and a display.
The controller is used for acquiring the displacement signal and the angle signal of the gear selecting and shifting, determining the gear value of the manual gear according to the displacement signal and the angle signal of the gear selecting and shifting, and sending the determined gear value of the manual gear to the display for displaying.
In some embodiments, the display system further comprises:
the magnetic field sensing element is arranged on the gearbox and electrically connected with the controller;
when the gear shifting gear selecting and shifting gear moves left and right, the controller induces magnetic flux change by using the magnetic field sensitive element and generates a first PWM signal with a first duty ratio;
when the gear shifting gear selecting and shifting gear rotates, the magnetic field sensing element is also used for sensing magnetic flux change and generating a second PWM signal with a second duty ratio.
In some embodiments, the controller is further configured to query a pre-stored duty ratio value-to-gear value lookup table, and determine the gear value of the manual gear according to the duty ratio values of the first PWM signal and the second PWM signal.
In some embodiments, the controller is further configured to convert the determined value of the gear selecting and shifting gear into a bus message, and send the bus message to the display through the CAN bus for displaying.
In a third aspect, a manual transmission automobile is provided, and the manual transmission automobile comprises the display system of the manual transmission gear.
The technical scheme provided by the invention has the beneficial effects that:
the embodiment of the invention provides a method and a system for displaying a manual gear and an automobile. The gear position value of the manual gear is determined according to the displacement signal and the angle signal of the gear selecting and shifting gear and displayed by the display, so that a student can be quickly and clearly identified to the gear, and the skill of the student on engaging the gear is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic flow chart of a method for displaying a manual gear according to an embodiment of the present invention;
fig. 2 is a first schematic diagram of implementing step S10 in fig. 1 according to an embodiment of the present invention;
fig. 3 is a second schematic diagram of the implementation of step S10 in fig. 1 according to the embodiment of the invention;
FIG. 4 is a third schematic diagram of the implementation of step S10 in FIG. 1 according to the embodiment of the invention;
FIG. 5 is a schematic diagram of determining a duty cycle of a first PWM signal according to an embodiment of the present invention;
FIG. 6 is a schematic diagram illustrating the determination of the duty cycle of the second PWM signal according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a display system of a manual gear according to an embodiment of the present invention;
in the figure: 1. a gearbox; 2. selecting a gear shifting gear; 3. a magnetic field sensitive element; 4. a gear shift shaft.
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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The audience population of driving school vehicles is becoming younger and the rapid improvement of learning efficiency is a desire of most young students. The learner-driven vehicle is a vehicle specially used for teaching in driving schools, is mainly used for driving training of driving learners, and has special requirements compared with a common special vehicle. In addition, the commercial learner-driven vehicle is different from a passenger learner-driven vehicle, is difficult to block in gear engaging force and hand feeling and is difficult to identify.
The embodiment of the invention provides a method for displaying a manual gear, which can solve the technical problem that a student is difficult to identify the manual gear when an existing commercial learner-driven vehicle is used.
Referring to fig. 1, an embodiment of the present invention provides a method for displaying a manual shift position, where the method includes:
and step S10, acquiring a displacement signal and an angle signal of the gear selecting and shifting gear.
And step S20, determining the gear position value of the manual gear according to the displacement signal and the angle signal of the gear selecting and shifting gear.
And step S30, sending the determined gear value of the manual gear to a display for display.
According to the method for displaying the manual gear, the displacement signal and the angle signal of the gear selecting and shifting gear are firstly obtained, the gear value of the manual gear is determined according to the displacement signal and the angle signal of the gear selecting and shifting gear, and finally the determined gear value of the manual gear is sent to the display to be displayed. The gear position value of the manual gear is determined according to the displacement signal and the angle signal of the gear selecting and shifting gear and displayed by the display, so that a student can be quickly and clearly identified to the gear, and the skill of the student on engaging the gear is improved.
As an optional implementation manner, in an embodiment of the present invention, the step of acquiring the displacement signal of the gear selecting and shifting gear includes:
when the gear shifting gear selecting and shifting gear moves left and right, the magnetic field sensitive element is used for inducing magnetic flux change and generating a first PWM signal with a first duty ratio, and the first PWM signal is used as a displacement signal.
When the gear shifting gear selecting and shifting gear rotates, the magnetic field sensitive element is used for sensing the magnetic flux change and generating a second PWM signal with a second duty ratio, and the second PWM signal is used as an angle signal. Preferably, the magnetic field sensitive element is a hall element.
Specifically, referring to fig. 2 and 3, magnets are arranged inside the transmission case 1 and on the shift shaft 4 to construct a magnetic field, and a magnetic field sensitive element 3 is arranged on the transmission case 1, wherein the magnetic field sensitive element 3 is electrically connected with the controller. When the gear shifting gear selecting and shifting gear moves left and right, the controller induces magnetic flux change by using the magnetic field sensitive element and generates a first PWM signal with a first duty ratio; when the gear shifting gear selecting and shifting gear rotates, the magnetic field sensing element is also used for sensing magnetic flux change and generating a second PWM signal with a second duty ratio.
Taking a 5-speed manual transmission as an example, referring to fig. 4 and 5, assuming that the select/shift gear is movable between-12.25 mm to +12.25mm, the sweep area maps the first duty cycle of the first PWM signal as the select/shift gear moves.
Continuing with the 5-speed manual transmission example, referring to fig. 4 and 6, assuming that the select shift gear is rotatable between-11 ° and +11 °, the sweep flux area maps a second duty cycle of the second PWM signal as the select shift gear rotates.
As an optional implementation manner, in an embodiment of the present invention, the step of determining the gear position value of the manual gear according to the displacement signal and the angle signal of the gear selecting and shifting gear includes:
and inquiring a prestored duty ratio value-gear value comparison table, and determining the gear value of the manual gear according to the duty ratio values of the first PWM signal and the second PWM signal.
Specifically, referring to table 1 below, assuming that the duty values of the first and second PWM signals are 10% and 90%, respectively, the shift value of the manual gear may be determined to be 2-gear.
TABLE 1 Duty ratio-gear value comparison table
| Duty ratio of first PWM signal | Duty ratio of the second PWM signal | Position of |
|
| 10％ | 10 | R | |
| 10％ | 90％ | 1 | |
| 50％ | 10％ | 2 | |
| 50％ | 90％ | 3 | |
| 90％ | 10％ | 4 | |
| 90％ | 90％ | 5 |
As an optional implementation manner, in an embodiment of the present invention, the step of sending the determined gear value of the manual gear to the display for displaying includes:
the gear value of the determined manual gear is converted into a bus message and is sent to the display through the CAN bus to be displayed, and information transmission is simple and accurate.
Referring to fig. 7, an embodiment of the present invention provides a display system for a manual shift position, where the display system includes: a controller and a display.
The controller is used for acquiring the displacement signal and the angle signal of the gear selecting and shifting, determining the gear value of the manual gear according to the displacement signal and the angle signal of the gear selecting and shifting, and sending the determined gear value of the manual gear to the display for displaying.
According to the display system of the manual gear, the displacement signal and the angle signal of the gear selecting and shifting gear are firstly obtained, the gear value of the manual gear is determined according to the displacement signal and the angle signal of the gear selecting and shifting gear, and finally the determined gear value of the manual gear is sent to the display to be displayed. The gear position value of the manual gear is determined according to the displacement signal and the angle signal of the gear selecting and shifting gear and displayed by the display, so that a student can be quickly and clearly identified to the gear, and the skill of the student on engaging the gear is improved.
As an optional implementation manner, in an embodiment of the present invention, the display system for the manual gear further includes: a magnet and a magnetic field sensitive element.
The magnet is arranged on a gear selecting and shifting gear of the gearbox to construct a magnetic field, the magnetic field sensing element is arranged on the gearbox and close to the magnet, and the magnetic field sensing element is electrically connected with the controller.
When the gear shifting gear selecting and shifting gear moves left and right, the controller induces magnetic flux change by using the magnetic field sensitive element and generates a first PWM signal with a first duty ratio.
When the gear shifting gear selecting and shifting gear rotates, the magnetic field sensing element is also used for sensing magnetic flux change and generating a second PWM signal with a second duty ratio.
Specifically, referring to fig. 2 and 3, magnets are arranged inside the transmission case 1 and on the shift shaft 4 to construct a magnetic field, and a magnetic field sensitive element 3 is arranged on the transmission case 1, wherein the magnetic field sensitive element 3 is electrically connected with the controller. When the gear shifting gear selecting and shifting gear moves left and right, the controller induces magnetic flux change by using the magnetic field sensing element 3 and generates a first PWM signal with a first duty ratio; when the gear shifting gear selecting and shifting gear rotates, the magnetic field sensing element 3 is also used for sensing magnetic flux change and generating a second PWM signal with a second duty ratio.
Taking a 5-speed manual transmission as an example, referring to fig. 4 and 5, assuming that the select/shift gear is movable between-12.25 mm to +12.25mm, the sweep area maps the first duty cycle of the first PWM signal as the select/shift gear moves.
Continuing with the 5-speed manual transmission example, referring to fig. 4 and 6, assuming that the select shift gear is rotatable between-11 ° and +11 °, the sweep flux area maps a second duty cycle of the second PWM signal as the select shift gear rotates.
According to the embodiment of the invention, the magnetic flux change caused by gear switching is converted into the fixed gear information and transmitted through PWM, the internal structure of the gearbox is not changed at all, the operation is more accurate, the transmission is more sensitive, the service life is longer, and the examination passing rate of the learner-driven vehicle is higher.
As an alternative, in an embodiment of the invention, the controller is further configured to query a pre-stored duty ratio value-gear value comparison table, and determine the gear value of the manual gear according to the duty ratio values of the first PWM signal and the second PWM signal.
As an optional implementation manner, in an embodiment of the present invention, the controller is further configured to convert the value of the gear selecting and shifting gear into a bus message, and send the bus message to the display through the CAN bus for displaying.
The embodiment of the invention provides a manual gear automobile which comprises the display system of the manual gear.
Based on the same inventive concept, embodiments of the present invention also provide a computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements all or part of the method steps of the above-mentioned method.
The present invention can implement all or part of the processes of the above methods, and can also be implemented by using a computer program to instruct related hardware, where the computer program can be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the above method embodiments can be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer readable medium may include: any entity or device capable of carrying computer program code, recording medium, U.S. disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution media, and the like. It should be noted that the computer readable medium may contain other components which may be suitably increased or decreased as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, in accordance with legislation and patent practice, the computer readable medium does not include electrical carrier signals and telecommunications signals.
Based on the same inventive concept, an embodiment of the present invention further provides an electronic device, which includes a memory and a processor, where the memory stores a computer program running on the processor, and the processor executes the computer program to implement all or part of the method steps in the above method.
The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, the processor being the control center of the computer device and the various interfaces and lines connecting the various parts of the overall computer device.
The memory may be used to store computer programs and/or modules, and the processor may implement various functions of the computer device by executing or executing the computer programs and/or modules stored in the memory, as well as by invoking data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (e.g., a sound playing function, an image playing function, etc.); the storage data area may store data (e.g., audio data, video data, etc.) created according to the use of the cellular phone. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, server, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), servers and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A display method of a manual gear is characterized by comprising the following steps:
acquiring a displacement signal and an angle signal of a gear selecting and shifting gear;
determining a gear position value of the manual gear according to the displacement signal and the angle signal of the gear selecting and shifting gear;
and sending the determined gear value of the manual gear to a display for displaying.
2. The method for displaying manual gear according to claim 1, wherein the step of acquiring the displacement signal of the gear to be shifted comprises:
when the gear shifting gear selecting and shifting gear moves left and right, the magnetic field sensitive element is used for inducing magnetic flux change and generating a first PWM signal with a first duty ratio, and the first PWM signal is used as a displacement signal.
3. The method for displaying manual gear according to claim 2, wherein the step of obtaining the angle signal of the selected gear comprises:
when the gear shifting gear selecting and shifting gear rotates, the magnetic field sensitive element is used for sensing the magnetic flux change and generating a second PWM signal with a second duty ratio, and the second PWM signal is used as an angle signal.
4. The method for displaying the shift position of the manual gear according to claim 3, wherein the step of determining the shift position value of the manual gear according to the displacement signal and the angle signal of the gear to be shifted comprises:
and inquiring a prestored duty ratio value-gear value comparison table, and determining the gear value of the manual gear according to the duty ratio values of the first PWM signal and the second PWM signal.
5. The method for displaying the gear position of the manual transmission according to claim 1, wherein the step of sending the determined gear position value of the manual transmission to the display comprises:
and converting the determined gear value of the manual gear into a bus message, and sending the bus message to a display for displaying through a CAN bus.
6. A display system for a manual transmission, the display system comprising: a controller and a display;
the controller is used for acquiring the displacement signal and the angle signal of the gear selecting and shifting, determining the gear value of the manual gear according to the displacement signal and the angle signal of the gear selecting and shifting, and sending the determined gear value of the manual gear to the display for displaying.
7. The display system of manual gear according to claim 6, further comprising:
the magnetic field sensing element is arranged on the gearbox and electrically connected with the controller;
when the gear shifting gear selecting and shifting gear moves left and right, the controller induces magnetic flux change by using the magnetic field sensitive element and generates a first PWM signal with a first duty ratio;
when the gear shifting gear selecting and shifting gear rotates, the magnetic field sensing element is also used for sensing magnetic flux change and generating a second PWM signal with a second duty ratio.
8. The display system for manual transmission according to claim 7, wherein:
the controller is further used for inquiring a prestored duty ratio value-gear value comparison table and determining the gear value of the manual gear according to the duty ratio values of the first PWM signal and the second PWM signal.
9. The display system for manual transmission according to claim 6, wherein:
the controller is also used for converting the determined value of the gear selecting and shifting gear into a bus message and sending the bus message to the display through the CAN bus for displaying.
10. A manual transmission automobile, characterized by comprising the manual transmission gear display system according to any one of claims 6 to 9.
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| CN202111625100.XA CN114294411A (en) | 2021-12-28 | 2021-12-28 | Display method and system for manual gear and automobile |
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| CN202111625100.XA CN114294411A (en) | 2021-12-28 | 2021-12-28 | Display method and system for manual gear and automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115654117A (en) * | 2022-09-29 | 2023-01-31 | 重庆金康赛力斯新能源汽车设计院有限公司 | Gear switching control method and device, computer equipment and storage medium |
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| US20140257654A1 (en) * | 2013-03-06 | 2014-09-11 | Speedhut Inc. | Shift indicator |
| CN109163090A (en) * | 2018-10-31 | 2019-01-08 | 重庆长安汽车股份有限公司 | A kind of manual transmission gear detection device and automobile |
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2021
- 2021-12-28 CN CN202111625100.XA patent/CN114294411A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140257654A1 (en) * | 2013-03-06 | 2014-09-11 | Speedhut Inc. | Shift indicator |
| CN109163090A (en) * | 2018-10-31 | 2019-01-08 | 重庆长安汽车股份有限公司 | A kind of manual transmission gear detection device and automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115654117A (en) * | 2022-09-29 | 2023-01-31 | 重庆金康赛力斯新能源汽车设计院有限公司 | Gear switching control method and device, computer equipment and storage medium |
| CN115654117B (en) * | 2022-09-29 | 2024-04-26 | 重庆金康赛力斯新能源汽车设计院有限公司 | Gear switching control method, gear switching control device, computer equipment and storage medium |
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Application publication date: 20220408 |