CN115143281A - Control method and device for gear indicator lamp - Google Patents
Control method and device for gear indicator lamp Download PDFInfo
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- CN115143281A CN115143281A CN202110353486.7A CN202110353486A CN115143281A CN 115143281 A CN115143281 A CN 115143281A CN 202110353486 A CN202110353486 A CN 202110353486A CN 115143281 A CN115143281 A CN 115143281A
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- gear
- signal
- indicator lamp
- preset
- tcu
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000003111 delayed effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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Classifications
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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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
- F16H63/42—Ratio indicator devices
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
- Control Of Transmission Device (AREA)
Abstract
The invention relates to the technical field of automobiles, and discloses a control method and a control device for a gear indicator lamp, wherein the method comprises the following steps: acquiring a required gear signal and a TCU current gear signal in real time; judging the required gear signal and determining a corresponding preset gear; judging whether the time of the current TCU gear in the preset gear is greater than t or not according to the current TCU gear signal, and if yes, controlling a gear indicator lamp corresponding to the preset gear to be turned on; if not, the gear indicator lamp is controlled to maintain the original state. According to the invention, on the basis of not changing the original hardware structure, the software control strategy of the gear indicator lamp is modified, so that the process gear is not displayed by the gear indicator lamp, the gear display is not delayed during gear switching, the target required gear can be immediately displayed when the rocker arm of the gearbox enters a certain gear of the target requirement, and the user experience is effectively improved.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a control method and a control device for a gear indicator lamp.
Background
A gear indicator lamp is arranged on a gear panel of the automobile and used for indicating which gear the user is in at present. An electronic gear shift system of the vehicle illuminates a gear indicator light in response to a gear CAN signal from a Transmission Controller (TCU).
Among present electronic shift system, when the gearbox rocking arm moved, TCU kept off position CAN signal CAN send the fender position in the motion process, for example the gearbox keeps off from P and switches to D fender in-process, TCU keeps off position CAN signal CAN send P and keeps off signal, R fender signal, N fender signal and D fender signal, keeps off position pilot lamp P on the position panel, R, N, D and lights in proper order, and the consumer is led to the misleading easily, leads to market complaint many.
In the prior art, some manufacturers filter the gear signal to solve the problem, but in practical application, too long filtering time may cause slow response of the display of the gear indicator when the gears are switched, and too short filtering time may cause the problem that the indicator still displays the gears during the low-temperature gear switching.
Thus, improvements in the prior art are needed.
Disclosure of Invention
The purpose of the invention is: the technical problem that in the prior art, when gears are switched, the gear indicator lamp on a gear panel can display a process gear, and consumers are easily misled is solved.
In order to achieve the above object, the present invention provides a control method for a gear indicator lamp, comprising the steps of:
acquiring a required gear signal and a TCU current gear signal in real time;
judging the required gear signal and determining a corresponding preset gear;
judging whether the time of the current TCU gear in the preset gear is more than t according to the current TCU gear signal,
if yes, controlling a gear indicator lamp corresponding to the preset gear to be turned on;
if not, the gear indicator lamp is controlled to maintain the original state.
In some embodiments of the present application, the preset gear is a P gear, an R gear, an N gear, or a D gear; p keeps off fender position pilot lamp that corresponds and keeps off for pilot lamp P, R keeps off the fender position pilot lamp that corresponds and keeps off for pilot lamp R, N keeps off the fender position pilot lamp that corresponds and keeps off for pilot lamp N, D keeps off the fender position pilot lamp that corresponds and keeps off for pilot lamp D.
In some embodiments of the present application, it is right that the demand gear signal is judged, and it specifically does to determine that the preset gear step that it corresponds is:
judging whether the required gear signal is in a P gear or not,
if yes, determining that the preset gear corresponding to the required gear signal is a P gear;
if not, the user can not select the specific application,
continuously judging whether the required gear signal is an R gear;
if yes, determining that the preset gear corresponding to the required gear signal is an R gear;
if not, the user can not select the specific application,
continuously judging whether the required gear signal is N gear;
if yes, determining that the preset gear corresponding to the required gear signal is N gear;
if not, the user can not select the specific application,
continuously judging whether the required gear signal is in a D gear;
if yes, determining that the preset gear corresponding to the required gear signal is a D gear;
and if not, executing the step of acquiring the required gear signal and the current gear signal of the TCU in real time.
In some embodiments of the present application, before the step of obtaining the required gear signal and the current gear signal of the TCU in real time, the method further includes: and electrifying for initialization, and controlling the indicator light P to be turned on.
In some embodiments of the present application, t is 20ms ≦ 50ms.
In some embodiments of the present application, t is 30ms ≦ 40ms.
The application also provides a control device of the gear indicator lamp, which comprises an indicator lamp control module, the gear indicator lamp connected with the indicator lamp control module and a whole vehicle CAN network;
the whole vehicle CAN network is used for sending the current gear signal of the TCU;
the indication lamp control module is used for acquiring a required gear signal and a current gear signal of the TCU in real time; judging the required gear signal and determining a corresponding preset gear; judging whether the time of the current TCU gear in the preset gear is greater than t according to the current TCU gear signal, if so, controlling the gear indicator lamp corresponding to the preset gear to be turned on; if not, the gear indicator lamp is controlled to maintain the original state.
In some embodiments of the present application, still include and keep off position determination module, it is used for confirming the demand keeps off the position and sends the demand and keeps off the position signal to keep off the position determination module.
In some embodiments of the present application, the gear determination module is connected to the gear converter and configured to receive a gear switching signal of the gear converter; the gear converter can be a push rod type gear converter, a knob type gear converter or a key type gear converter.
In some embodiments of the present application, the display device further includes a power-on module connected to the indicator light control module;
the power-on module is used for enabling the indicator light control module to be powered on and initialized, and controlling the indicator light P to be turned on.
Compared with the prior art, the control method and the control device of the gear indicator lamp have the beneficial effects that:
according to the control method and device of the gear indicator lamp, on the basis of not changing the original hardware structure, the software control strategy of the gear indicator lamp is modified, so that the process gear is not displayed by the gear indicator lamp, the gear display is not delayed during gear switching, the target required gear can be displayed immediately when the rocker arm of the gearbox enters a certain gear required by a target, and the user experience is effectively improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described 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 without creative efforts.
Fig. 1 is a schematic block diagram of a control device of a gear indicator light according to an embodiment of the present invention;
FIG. 2 is a flow chart illustrating a control method for a gear indicator according to an embodiment of the present invention;
in the figure, 1, an indicator lamp control module; 2. a gear determination module; 3. a gear indicator light; 4. and (4) the whole vehicle CAN network.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
As shown in fig. 1, the device is a schematic block structure diagram of a control device of a gear indicator light according to a preferred embodiment of the present invention, and specifically includes an indicator light control module 1, and a gear determination module 2, a gear indicator light 3 and a vehicle CAN network 4 which are in communication connection with the indicator light control module 1, where the indicator light control module 1 obtains a required gear signal from the gear determination module 2 and a TCU current gear signal from the vehicle CAN network 4 in real time, and controls to light the corresponding gear indicator light 3 according to a preset software control strategy, and the gear indicator light 3 includes an indicator light P gear, an indicator light R gear, an indicator light N gear and an indicator light D gear.
In some embodiments of the present application, the gear determination module 2 is connected to the gear converter and configured to receive a gear switching signal of the gear converter. The gear converter can be a push rod type gear converter, a knob type gear converter or a key type gear converter.
In some embodiments of this application, also can not set up and keep off position determination module 2, and indicator light control module 1 directly obtains user's demand through keeping off position switch signal and keeps off position signal.
In some embodiments of the present application, a power-on module (not shown) connected to the indicator light control module 1 is further included. The power-on module is used for enabling the indicator light control module 1 to be powered on and initialized and controlling the indicator light P to be turned on.
Specifically, a flowchart of a control method of the gear indicator light according to the preferred embodiment of the present invention is shown in fig. 2, and mainly includes the following steps:
s1, the indicator lamp control module 1 is electrified and initialized, and the indicator lamp P is controlled to be turned on.
S2, the indicating lamp control module 1 obtains a required gear signal generated by the gear judgment module 2 and a TCU current gear signal generated by the whole vehicle CAN network 4 in real time.
S3, judging whether the required gear signal is a P gear or not according to the required gear signal, and if so, executing the step S4; if not, step S6 is executed.
S4, judging whether the time of the current TCU gear in the P gear is greater than t or not according to the current gear signal, and if yes, executing a step S5; if not, the state of the gear indicator lamp 3 is unchanged.
And S5, the indicator lamp control module 1 controls the indicator lamp P to be turned on in a gear mode, and after the gear required at this time is changed, the control process is finished.
S6, judging whether the required gear signal is an R gear or not according to the required gear signal, and if so, executing the step S7; if not, step S9 is executed.
S7, judging whether the time of the current TCU gear in the R gear is more than t or not according to the current gear signal, and if yes, executing a step S8; if not, the state of the gear indicator lamp 3 is unchanged.
And S8, the indicator lamp control module 1 controls the indicator lamp R to be turned on in a gear mode, and after the gear required at this time is changed, the control process is finished.
S9, judging whether the required gear signal is an N gear or not according to the required gear signal, and if so, executing a step S10; if not, step S12 is executed.
S10, judging whether the time of the current TCU gear in the N gear is greater than t or not according to the current gear signal, and if yes, executing a step S11; if not, the state of the gear indicator lamp 3 is unchanged.
And S11, the indicator lamp control module 1 controls the indicator lamp N to be turned on, and after the required gear changes, the control process is finished.
S12, judging whether the required gear signal is a D gear or not according to the required gear signal, and if so, executing a step S13; if not, executing step S2.
S13, judging whether the time of the current TCU gear in the D gear is more than t or not according to the current gear signal, and if yes, executing a step S14; if not, the gear indicator lamp 3 is not changed.
And S14, the indicator light control module 1 controls the indicator light D to be turned on in a gear mode, and after the gear required at this time is changed, the control process is finished.
In the steps, t is more than or equal to 20ms and less than or equal to 50ms. More preferably, 30ms ≦ t ≦ 40ms.
In summary, according to the control method and the control device for the gear indicator lamp provided by the invention, on the basis of not changing the original hardware structure, the software control strategy of the gear indicator lamp 3 is modified, so that the process gear is not displayed by the gear indicator lamp 3, the gear display is not delayed during gear switching, a target required gear can be immediately displayed when a rocker arm of a gearbox enters a certain gear required by a target, and the user experience is effectively improved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A control method of a gear indicator lamp is characterized by comprising the following steps:
acquiring a required gear signal and a TCU current gear signal in real time;
judging the required gear signal and determining a corresponding preset gear;
judging whether the time of the current TCU gear in the preset gear is more than t according to the current TCU gear signal,
if yes, controlling a gear indicator lamp corresponding to the preset gear to be turned on;
if not, the gear indicator lamp is controlled to maintain the original state.
2. The control method of the gear indicator lamp according to claim 1, wherein the preset gear is a P gear, an R gear, an N gear or a D gear; p keeps off fender position pilot lamp that corresponds and keeps off for pilot lamp P, R keeps off the fender position pilot lamp that corresponds and keeps off for pilot lamp R, N keeps off the fender position pilot lamp that corresponds and keeps off for pilot lamp N, D keeps off the fender position pilot lamp that corresponds and keeps off for pilot lamp D.
3. The control method of the gear indicator lamp according to claim 2,
the step of judging the required gear signal and determining the corresponding preset gear specifically comprises the following steps:
judging whether the required gear signal is in a P gear or not,
if yes, determining that the preset gear corresponding to the required gear signal is a P gear;
if not, the user can not select the specific application,
continuously judging whether the required gear signal is an R gear or not;
if yes, determining that the preset gear corresponding to the required gear signal is an R gear;
if the number of the user terminal is not the same as the preset number,
continuously judging whether the required gear signal is N gear;
if yes, determining that the preset gear corresponding to the required gear signal is an N gear;
if not, the user can not select the specific application,
continuously judging whether the required gear signal is in a D gear;
if so, determining that the preset gear corresponding to the required gear signal is a D gear;
and if not, executing the step of acquiring the required gear signal and the current gear signal of the TCU in real time.
4. The method for controlling the gear indicator lamp according to claim 2, wherein before the step of acquiring the required gear signal and the current gear signal of the TCU in real time, the method further comprises the following steps: and electrifying for initialization, and controlling the indicator light P to be turned on.
5. The control method for the gear indicator lamp according to claim 1, characterized in that t is more than or equal to 20ms and less than or equal to 50ms.
6. The control method for the gear indicator lamp according to claim 5, characterized in that t is more than or equal to 30ms and less than or equal to 40ms.
7. A control device of a gear indicator lamp is characterized by comprising an indicator lamp control module, a gear indicator lamp connected with the indicator lamp control module and a whole vehicle CAN network;
the whole vehicle CAN network is used for sending the current gear signal of the TCU;
the indication lamp control module is used for acquiring a required gear signal and a current gear signal of the TCU in real time; judging the required gear signal and determining a corresponding preset gear; judging whether the time of the current TCU gear in the preset gear is more than t according to the current TCU gear signal, if yes, controlling the gear indicator lamp corresponding to the preset gear to be turned on; if not, the gear indicator lamp is controlled to maintain the original state.
8. The control device of the gear indicator lamp according to claim 7, further comprising a gear determination module, wherein the gear determination module is used for determining a required gear and sending a required gear signal.
9. The control device for the gear indicator lamp according to claim 8, wherein the gear determination module is connected with the gear converter and is used for receiving a gear switching signal of the gear converter; the gear converter can be a push rod type gear converter, a knob type gear converter or a key type gear converter.
10. The control device for the gear indicator lamp according to claim 7, characterized by further comprising a power-on module connected with the indicator lamp control module;
the power-on module is used for enabling the indicator lamp control module to be powered on and initialized, and controlling the indicator lamp P to be turned on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110353486.7A CN115143281A (en) | 2021-03-31 | 2021-03-31 | Control method and device for gear indicator lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110353486.7A CN115143281A (en) | 2021-03-31 | 2021-03-31 | Control method and device for gear indicator lamp |
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| CN115143281A true CN115143281A (en) | 2022-10-04 |
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| CN202110353486.7A Pending CN115143281A (en) | 2021-03-31 | 2021-03-31 | Control method and device for gear indicator lamp |
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