CN112576116A - Automobile holographic door handle system and control method thereof - Google Patents
Automobile holographic door handle system and control method thereof Download PDFInfo
- Publication number
- CN112576116A CN112576116A CN202011461143.4A CN202011461143A CN112576116A CN 112576116 A CN112576116 A CN 112576116A CN 202011461143 A CN202011461143 A CN 202011461143A CN 112576116 A CN112576116 A CN 112576116A
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- China
- Prior art keywords
- door
- door handle
- holographic
- opening
- vehicle
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/54—Electrical circuits
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/54—Electrical circuits
- E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
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- Lock And Its Accessories (AREA)
Abstract
The invention relates to the technical field of automobile control, and provides a door handle control method based on automobile holographic information, which comprises the following steps: s1, triggering a door handle activation instruction, activating a holographic display device based on the door handle activation instruction, and projecting the holographic door handle to a door designated position by the holographic display device; s2, setting the opening value of the vehicle door, namely the opening set value of the vehicle door based on the opening setting unit; s3, sending the opening increment of the door to a door handle controller, and driving a door motor by the door handle controller based on the opening increment of the door so as to rotate the door to a set opening; the opening increment is the difference between the opening set value of the vehicle door and the current opening value. The display position and the display size of the door handle can be set in a personalized manner, so that the experience of a user is greatly improved, and the operation of the user is facilitated; after the car door is controlled or in the driving process, the holographic door handle control system cannot be operated, and potential safety hazards caused by mistaken touch are avoided.
Description
Technical Field
The invention relates to the technical field of automobile control, and provides an automobile holographic door handle system and a control method thereof.
Background
With the continuous development of artificial intelligence and internet technology, man-machine interaction is on the front of revolution, for example, in the automobile industry, traditional man-machine interaction may be replaced by future artificial intelligence interaction, and intelligent interaction gradually becomes the experience core of man-machine interaction. Vehicle door handles are typically fixed in a designated position, are limited to conventional configurations, are limited for user use, and are experienced by the user.
Disclosure of Invention
The present invention provides a holographic door handle system for automobiles, which aims to improve the problems.
The invention is realized in such a way that an automobile holographic door handle control system comprises:
the vehicle body controller BCM is in communication connection with the vehicle door handle controller, and the vehicle door handle controller is connected with the holographic display device and the opening setting unit;
and the door handle trigger unit is in communication connection with the door handle controller, and the door handle controller is in communication connection with the door motor.
Further, the system further comprises:
the key detection unit is in communication connection with the BCM of the vehicle body controller;
and the full-closing detection SW is arranged on the vehicle door and is in communication connection with the vehicle body controller BCM.
Further, the system further comprises:
and the distance measuring sensor is arranged on the vehicle door and is in communication connection with the vehicle door handle controller.
The invention is realized in this way, a door handle control method based on automobile holographic, the method specifically includes the following steps:
s1, triggering a door handle activation instruction, activating a holographic display device based on the door handle activation instruction, and projecting the holographic door handle to a door designated position by the holographic display device;
s2, setting the opening value of the vehicle door, namely the opening set value of the vehicle door based on the opening setting unit;
s3, sending the opening increment of the door to a door handle controller, and driving a door motor by the door handle controller based on the opening increment of the door so as to rotate the door to a set opening;
the opening increment is the difference between the opening set value of the vehicle door and the current opening value.
Further, after step S3, the method further includes:
and S4, when the door rotates to the set opening degree, feeding back the current opening degree value of the door to the door handle controller, and when the door is in the fully closed state, the holographic display device quits the holographic display of the door handle.
Further, in the process that the vehicle door motor drives the vehicle door to rotate, the distance between the vehicle door and an obstacle in the rotating direction is detected in real time, and if the distance is smaller than a distance threshold value, the vehicle door handle controller controls the vehicle door motor to stop rotating.
Further, when the door handle display instruction is triggered by the door handle triggering unit, whether a key signal is sensed and whether the current vehicle is stationary or not is detected, and if the detection result is yes, the door handle triggering unit generates a door handle activation instruction.
Further, if the key information is detected, the driver seat is detected to be absent, the vehicle speed is zero, and the door is in the fully closed state, the vehicle body controller BCM automatically generates a door handle activation command.
Further, the opening setting unit is set to be an airbar touch strip, and the airbar touch strip is arranged below the projection area of the holographic vehicle door handle.
The holographic door handle system provided by the invention can be used for setting the display position and the display size of the door handle in a personalized manner, so that the user experience is greatly improved, and the operation of the user is facilitated; after the car door is controlled or in the driving process, the holographic door handle control system cannot be operated, and potential safety hazards caused by mistaken touch are avoided.
Drawings
FIG. 1 is a schematic structural diagram of a holographic door handle system for a vehicle according to an embodiment of the present invention;
fig. 2 is a flowchart of a holographic door handle control method for a vehicle according to an embodiment of the present invention.
Detailed Description
The following description of preferred embodiments of the invention will be made in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a holographic door handle system for a vehicle according to an embodiment of the present invention, and for convenience of description, only the parts related to the embodiment of the present invention are shown.
The system comprises:
the vehicle body controller BCM is in communication connection with the vehicle door handle controller, and the vehicle door handle controller is connected with the holographic display device and the opening setting unit;
and the door handle trigger unit is in communication connection with the door handle controller, and the door handle controller is in communication connection with the door motor.
The functions of the above components in the automotive holographic door handle system are as follows:
the door handle triggering unit is used for triggering a door handle activation instruction for activating the holographic display device;
the holographic display device projects the holographic door handle at a designated position of the vehicle door;
the opening degree setting unit is used for determining the opening degree value of the vehicle door.
The door handle controller is used for controlling the rotation of the door motor based on the opening increment, and the door motor realizes the opening control of the door through positive rotation or negative rotation.
In an embodiment of the present invention, the holographic door handle system for a car further comprises:
the key detection unit is in communication connection with the BCM of the vehicle body controller; the fully-closed detection SW is arranged on the vehicle door and is in communication connection with the vehicle body controller BCM;
the key detection unit is used for detecting an electronic key signal; the vehicle body controller BCM detects key information and detects that a driver does not exist in a driver seat, the vehicle speed of the vehicle is zero, and a vehicle door handle activation instruction is generated when the vehicle door is in the fully closed state.
Wherein the vehicle speed CAN be read by a vehicle speed sensor independently arranged on the vehicle or read from an ABS (anti-lock braking system), the ABS uploads the vehicle speed information to a CAN (controller area network) line, a BCM (body controller) reads a vehicle speed signal from the CAN line,
in another embodiment of the present invention, the holographic door handle system for a car further comprises:
and the distance measuring sensor is arranged at the edge of the outer panel of the vehicle door and used for detecting the distance between the vehicle door and an obstacle in the moving direction, and the distance measuring sensor is in communication connection with the vehicle door handle controller.
In another embodiment of the present invention, the holographic door handle system for a car further comprises:
fig. 2 is a flowchart of a holographic door handle control method for a vehicle according to an embodiment of the present invention, where the method specifically includes the following steps:
s1, triggering a door handle activation instruction, activating a holographic display device based on the door handle activation instruction, and projecting the holographic door handle to a door designated position by the holographic display device;
in the embodiment of the invention, when the automobile enters the automobile, the door handle display instruction adopts a manual trigger mode or an automatic trigger mode, and when the automobile comes out of the automobile, the door handle display instruction adopts a manual trigger mode.
Manual trigger mode: a user triggers a vehicle door handle display instruction through a vehicle door handle triggering unit, wherein the vehicle door handle triggering unit can be an entity key arranged on an electronic key;
when the door handle trigger unit is triggered, whether a key signal is sensed or not and whether the current vehicle is static or not are detected, if the detection result is yes, a door handle activation instruction is generated, and the triggering of the door handle trigger unit is invalid in the driving process of the vehicle, namely, the door cannot be controlled to be opened or closed in the driving process, so that the driving safety is facilitated.
The automatic triggering mode is that the system automatically generates a vehicle door handle activation instruction, and the triggering conditions of the automatic triggering mode are as follows: the BCM acquires key information, detects that a driver does not exist in a driver seat, the vehicle speed is zero, and the vehicle door is in a fully closed state, so that the BCM generates a vehicle door handle activation instruction.
The vehicle door handle controller activates the holographic display device based on a vehicle door handle control command, the holographic display device projects the holographic door handle at a designated position of a vehicle door, the projection position of the holographic door handle on the vehicle door can be adjusted by using the installation position of the holographic display device, and the size displayed by the holographic door handle on the vehicle door can also be adjusted based on the projection distance, so that the personalized setting of the position and the size of the vehicle door handle is realized.
S2, setting the opening value of the vehicle door based on the opening setting unit;
in the embodiment of the present invention, the door opening degree is a ratio indicating the degree of opening of the door, that is, the degree of opening of the door with respect to the fully opened state, and is 1 when the door is in the fully opened state, 0 when the door is in the fully closed state, and 0.5 when the door is in the state.
In the embodiment of the present invention, the door is provided with an opening degree setting unit, and the opening degree value of the door is determined based on the opening degree setting unit, for example, the current opening degree value of the door is 0, the opening degree value selected by the opening degree setting unit is 0.5, the opening degree increment of the door is +0.5, if the current opening degree of the door is +0.8, and if the opening degree value selected by the opening degree setting unit is 0.5, the opening degree increment of the door is + 0.5.
In the embodiment of the invention, the opening setting unit is set as an airbar, the airbar is arranged below the projection area of the holographic doorknob, the airbar emits infrared light to the display direction of the holographic doorknob, the opening value of the vehicle door is determined based on the touch position in the infrared light emission direction, when the touch position is the ending position (the end of extension) of the airbar, the opening setting value of the vehicle door is 1, the touch position is the middle position of the airbar, the opening setting value of the vehicle door is 0.5, and when the touch position is the starting position of the airbar, the opening setting value of the vehicle door is 0.
The airbar touch bar simultaneously emits a plurality of infrared lights, the infrared lights are sequentially arranged along the extending direction of the airbar touch bar, each infrared light corresponds to one car door opening degree value, when one infrared light is touched, the shielding of a touch object is sensed by the airbar touch bar, the touch position is sent to the car door handle controller, and the car door handle controller is converted into the car door opening degree based on the touch position.
And S3, sending the opening increment of the door to the door handle controller, and driving the door motor by the door handle controller based on the opening increment of the door so as to rotate the door to the set opening.
In the embodiment of the present invention, after step S3, the method further includes:
and S4, when the vehicle door rotates to the set opening degree, recording the current opening degree value of the vehicle door, and feeding back the current opening degree value to the vehicle door handle controller, wherein the opening degree increment is the difference value between the opening degree set value of the vehicle door and the current opening degree value.
In the embodiment of the present invention, after step S4, the method further includes:
and S5, when the vehicle door is in the full-closed state, the holographic display device exits the holographic display of the vehicle door handle, and the holographic display of the holographic display device exiting the vehicle door shows that the vehicle door opening or closing operation is finished, so that accidental triggering is avoided.
In the embodiment of the invention, in the process of driving the vehicle door to rotate by the vehicle door motor, the distance between the vehicle door and an obstacle in the rotating direction is detected in real time, and if the distance is smaller than a distance threshold value, the vehicle door handle controller controls the vehicle door motor to stop rotating, so that the damage to the vehicle door is avoided.
Scenario one (enter in car + door handle activation command auto trigger):
when a driver approaches a door, if a key signal is detected by a body controller BCM, the driver is not present on a driver seat, the vehicle speed is 0, and the door is in a fully closed state (namely, the opening value of the door is 0), a door handle activation command is generated, a holographic display device is activated, a holographic door handle is projected to a specified position of the door, the opening value of the door is set based on an opening setting unit, if the opening value of the door is selected to be 0.6 based on the opening setting unit, a door holding controller controls a door motor to make the opening of the door be 0.6, when the driver approaches the door, the current door opening is found to be small, the opening of the door is increased, if the opening value of the door selected based on the opening setting unit is 0.8, a door holding controller controls the door motor to make the opening of the door be increased by 0.2, when the driver enters the vehicle, the opening value of the door is selected to be 0 based on the opening setting unit, the door handle controller controls the door motor to make the door in full-closed state, and the holographic display stops the holographic display of the door handle.
Scene two (enter inside vehicle + door handle activation command manual trigger):
when a driver is outside the vehicle, triggering a door handle activation command based on a door handle triggering unit, sending the door handle display command to a holographic display device, activating the holographic display device, projecting a holographic door handle to a specified position of a door, setting an opening degree value of the door based on an opening degree setting unit, if the opening degree value of the door is selected to be 0.6 based on the opening degree setting unit, controlling a door motor by a door guarding controller to enable the opening degree of the door to be 0.6, when the driver approaches the door, finding that the current door opening degree is smaller, increasing the opening degree of the door, if the opening degree value of the door is selected to be 0.8 based on the opening degree setting unit, controlling the door motor by the door guarding controller to enable the opening degree of the door to be 0.2, when the driver enters the vehicle, selecting the opening degree value of the door to be 0 based on the opening degree setting unit, controlling the door by the door guarding controller, the holographic display device stops the holographic display of the door handle when the door is fully closed.
Scene two (walk out of car + manual trigger of door handle activation command):
when a driver is in a vehicle, a door handle activation command is triggered based on a door handle triggering unit, the door handle display command is sent to a holographic display device, the holographic display device is activated, a holographic door handle is projected to a designated position of a door, an opening value of the door is set based on an opening setting unit, if the opening value of the door is selected to be 0.6 based on the opening setting unit, a door holding controller controls a door motor to enable the opening of the door to be 0.6, when the driver walks out of the vehicle, the opening value of the door is selected to be 0 based on the opening setting unit, the door holding controller controls the door motor to enable the door to be in a fully closed state, and the holographic display device stops holographic display of the door handle.
In the use process of the holographic vehicle door, the combination of the scene one and the scene three or the combination of the scene two and the scene three can be adopted.
It is clear that the specific implementation of the invention is not restricted to the above-described embodiments, but that various insubstantial modifications of the inventive process concept and technical solutions are within the scope of protection of the invention.
Claims (9)
1. A holographic door handle control system for a vehicle, the system comprising:
the vehicle body controller BCM is in communication connection with the vehicle door handle controller, and the vehicle door handle controller is connected with the holographic display device and the opening setting unit;
and the door handle trigger unit is in communication connection with the door handle controller, and the door handle controller is in communication connection with the door motor.
2. The automotive holographic door handle control system of claim 1, further comprising:
the key detection unit is in communication connection with the BCM of the vehicle body controller;
and the full-closing detection SW is arranged on the vehicle door and is in communication connection with the vehicle body controller BCM.
3. The automotive holographic door handle control system of claim 1, further comprising:
and the distance measuring sensor is arranged on the vehicle door and is in communication connection with the vehicle door handle controller.
4. The automobile holographic door handle control method based on the automobile holographic door handle control system according to any one of the claims 1 to 3, characterized in that the method specifically comprises the following steps:
s1, triggering a door handle activation instruction, activating a holographic display device based on the door handle activation instruction, and projecting the holographic door handle to a door designated position by the holographic display device;
s2, setting the opening value of the vehicle door, namely the opening set value of the vehicle door based on the opening setting unit;
s3, sending the opening increment of the door to a door handle controller, and driving a door motor by the door handle controller based on the opening increment of the door so as to rotate the door to a set opening;
the opening increment is the difference between the opening set value of the vehicle door and the current opening value.
5. The door handle control method based on car hologram according to claim 4, further comprising after the step S3:
and S4, when the door rotates to the set opening degree, feeding back the current opening degree value of the door to the door handle controller, and when the door is in the fully closed state, the holographic display device quits the holographic display of the door handle.
6. The holographic door handle control method based on cars of claim 4, characterized in that in the process of the door motor driving the door to rotate, the distance of the door from the obstacle in the rotating direction is detected in real time, if the distance is less than the distance threshold, the door handle controller controls the door motor to stop rotating.
7. The holographic door handle control method based on cars of claim 4, characterized in that when the door handle display command is triggered by the door handle trigger unit, it is detected whether the key signal is sensed and the current vehicle is stationary, if so, the door handle trigger unit generates the door handle activation command.
8. The holographic door handle control method based on cars of claim 4, characterized in that if the key information is detected, the driver seat is detected not to have the driver, the speed of the vehicle is zero, and the door is in the fully closed state, the vehicle body controller BCM automatically generates the door handle activation command.
9. The holographic door handle control method based on cars of claim 4, characterized in that the opening setting unit is set as airbar, and the airbar is set under the projection area of the holographic door handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011461143.4A CN112576116A (en) | 2020-12-11 | 2020-12-11 | Automobile holographic door handle system and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011461143.4A CN112576116A (en) | 2020-12-11 | 2020-12-11 | Automobile holographic door handle system and control method thereof |
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| CN112576116A true CN112576116A (en) | 2021-03-30 |
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| CN202011461143.4A Pending CN112576116A (en) | 2020-12-11 | 2020-12-11 | Automobile holographic door handle system and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961495A (en) * | 2022-06-13 | 2022-08-30 | 中国第一汽车股份有限公司 | Door control system and car |
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Application publication date: 20210330 |