CN114750718B - Method and device for monitoring front safety space of driver - Google Patents
Method and device for monitoring front safety space of driver Download PDFInfo
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- CN114750718B CN114750718B CN202210166314.3A CN202210166314A CN114750718B CN 114750718 B CN114750718 B CN 114750718B CN 202210166314 A CN202210166314 A CN 202210166314A CN 114750718 B CN114750718 B CN 114750718B
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000012544 monitoring process Methods 0.000 title claims abstract description 17
- 238000004880 explosion Methods 0.000 claims abstract 6
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 238000007781 pre-processing Methods 0.000 claims description 9
- 238000012806 monitoring device Methods 0.000 claims description 7
- 238000010295 mobile communication Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 238000004364 calculation method Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 208000027418 Wounds and injury Diseases 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 4
- 208000014674 injury Diseases 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 230000036544 posture Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000005429 filling process Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
- B60R21/01512—Passenger detection systems
- B60R21/0153—Passenger detection systems using field detection presence sensors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Human Computer Interaction (AREA)
- Air Bags (AREA)
Abstract
The invention relates to the technical field of automobiles, in particular to a method and a device for monitoring a front safety space of a driver. Acquiring front space information of a driver through a sensor assembly; judging whether the space requirement of the explosion of the air bags of the driver is met according to the front space information of the driver; if the space requirement of the driver airbag explosion is not met, sending information which does not meet the space requirement of the driver airbag explosion to a safety reminding system; the safety reminding system prompts the driver that if collision occurs, the risk of being injured by the air bags of the driver is detected, and the driver is recommended to carry out driving posture adjustment suggestion. The invention can monitor the distance between the driver and the steering wheel in real time, and when the distance does not meet the requirement of the front airbag unfolding space of the driver, the driver is prevented from being impacted in the front airbag unfolding process when the automobile collides due to the unreasonable riding posture by means of safety reminding, and secondary injury is generated to the driver, so that the airbag really achieves the aim of protecting passengers.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a method and a device for monitoring a front safety space of a driver.
Background
Driver airbags are currently essentially the standard safety configuration for passenger vehicles. When the automobile collides with the front face, the safety air bag and the safety belt of the driver are exploded under the set ignition strategy, the air generated by the gas generator is rapidly filled with the air bag, the driver contacts with the safety air bag after the safety air bag is completely filled, and the head and neck of the driver are buffered and protected through the air leakage Kong Xieqi of the safety air bag.
However, the air bag has larger impact force in the unfolding process, and if a driver contacts with the air bag in the unfolding and filling process of the air bag, the air bag cannot have a protection effect, and the impact force of the inflating and unfolding of the air bag causes secondary injury to the driver.
Although different airbag ignition strategies can be determined and formulated according to the body types of passengers, so that the airbag meets reasonable rigidity characteristics and achieves a good passenger protection effect, the optimization of parameters such as the shape, the size, the rigidity and the like of the airbag is based on standard frontal collision working conditions, and the optimal and most effective protection cannot be provided for drivers under complex working conditions such as different body types, different driving postures and the like in the real world.
Disclosure of Invention
The invention provides a method and a device for monitoring the front safety space of a driver, which can monitor the distance between the driver and a steering wheel in real time, and avoid the problem that the driver is secondarily injured by the front air bag when the driver collides with an automobile due to unreasonable riding posture through safety reminding when the distance does not meet the requirement of the front air bag unfolding space of the driver, so that the safety air bag truly protects the passenger, and solves the problem that the conventional safety air bag has larger impact force in the unfolding process, and the safety air bag cannot have the protection effect if the driver contacts with the air bag in the full-filling process of the safety air bag, and the impact force of the inflating and unfolding of the safety air bag causes secondary injury to the driver.
The technical scheme of the invention is as follows in combination with the accompanying drawings:
a driver front safety monitoring method comprising the steps of:
acquiring front space information of the driver 6 through the sensor assembly 2;
judging whether the space requirement of the ignition of the driver airbag 5 is met or not according to the front space information of the driver; if the space requirement of the ignition of the driver airbag 5 is not met, sending information which does not meet the space requirement of the ignition of the driver airbag 5 to a safety reminding system 4;
the safety warning system 4 prompts the driver that there is a risk of being hit by the driver airbag 5 in the event of a collision, suggesting the driver to make a driving posture adjustment advice.
The sensor assembly 2 comprises 6 distance sensors which are arranged on the steering wheel 1, and the measured distances between the driver 6 and the steering wheel 1 are respectively L1, L2, L3, L4, L5 and L6; when the driver 6 manipulates the steering wheel 1, the distance between the hand and arm of the driver 6 and the steering wheel 1 is set to Lmin, which is a lower threshold for judging whether the signal is valid; meanwhile, during the process of driving the vehicle by the driver 6, the driver 1 may have a low head and roll action, and at this time, the distance measured by the distance sensor may be the distance between the steering wheel 1 and the seat 7; at present, the angle of the backrest, the seat position and the steering wheel position of the passenger car are adjustable, the distance values measured by adjusting the seat and the steering wheel to the distance sensors are in a maximum state, and at the moment, the maximum distance between the steering wheel 1 and the seat 7 measured by the 6 distance sensors is Lmax, which is the upper threshold limit for judging that the distance signal is effective.
The specific method for judging whether the space requirement of the driver airbag 5 for ignition is met according to the front space information of the driver is as follows:
s1, screening the distance signals, and filtering the distance signals smaller than 1.1 times Lmin and the distance signals larger than Lmax
S2, after filtering a distance signal smaller than 1.1 times Lmin and a distance signal larger than Lmax, searching the minimum distance in the remaining distance signals for judging the distance of the driver, wherein the minimum distance is represented by L, if L is smaller than 0.95H, H is the maximum expansion full thickness of the driver airbag 5, the duration of the state is larger than a threshold value T, and the space requirement of the driver airbag 5 for ignition is considered not to be met.
The safety reminding system 4 is an early warning display reminding or sound reminding.
The front safety monitoring device for the driver comprises an automatic preprocessing module, an automatic calculating module 3, an early warning module, electronic equipment and a server;
the automatic preprocessing module is used for acquiring front space information of the driver 6 through the sensor assembly 2;
the automatic calculation module 3 is used for judging whether the space requirement of the ignition of the driver airbag 5 is met according to the front space information of the driver; if the space requirement of the ignition of the driver airbag 5 is not met, sending information which does not meet the space requirement of the ignition of the driver airbag 5 to an early warning module;
the early warning module is used for prompting the driver 1 that if collision occurs, the risk of being injured by the driver airbag 5 is caused, and suggesting the driver to carry out driving posture adjustment suggestion;
the electronic device and the server include: a processor and a memory having at least one instruction, at least one program, a set of codes, or a set of instructions stored therein.
The automated preprocessing module is the sensor assembly 2; the automated computing module includes: the mobile communication system comprises an operation processing component, a mobile communication data transmission component, a cloud processor and a database component; the early warning module is a safety reminding system 4.
The at least one instruction, the at least one program, the set of codes, or the set of instructions are loaded and executed by the processor to implement a method of monitoring a driver-front safety monitoring device.
The electronic device further includes: a radio frequency circuit and at least one power source,
the radio frequency circuit is used for connecting the electronic equipment to a network;
the power supply is used for power supply management of the electronic equipment;
the radio frequency circuit, the processor, the memory and the power supply are all electrically connected together.
The electronic device further comprises a peripheral device interface and a display screen;
the peripheral interface is used for connecting at least one peripheral device related to I/O to the processor and the memory;
the display screen is used for displaying the electronic equipment;
the peripheral interface, the radio frequency circuit, the display screen, the processor, the memory and the power supply are all electrically connected together.
The server further includes: the keyboard comprises at least one power supply, a wired or wireless network interface, an input/output interface, a keyboard and an operating system, wherein the power supply, the wired or wireless network interface, the input/output interface and the keyboard are all electrically connected together.
The beneficial effects of the invention are as follows:
the invention can monitor the distance between the driver and the steering wheel in real time, and when the distance does not meet the requirement of the front airbag unfolding space of the driver, the driver is prevented from being impacted in the front airbag unfolding process when the automobile collides due to the unreasonable riding posture by means of safety reminding, and secondary injury is generated to the driver, so that the airbag really achieves the aim of protecting passengers.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an arrangement of sensor assemblies in a driver front safety monitoring method according to an embodiment of the present disclosure;
FIG. 2 is a schematic view of a steering wheel, sensor assembly, driver airbag, driver and seat configuration in a driver front safety monitoring method according to an embodiment of the present application;
FIG. 3 is a flowchart of determining whether the space requirement of driver airbag ignition is met in the method for monitoring front safety of a driver according to the embodiment of the present application;
FIG. 4 is a schematic diagram of a front safety monitoring device for a driver according to an embodiment of the present disclosure;
fig. 5 is a block diagram of a terminal according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a server according to an embodiment of the present application.
In the figure:
1. a driver;
2. a sensor assembly;
3. an automated computing module;
4. a safety reminding system;
5. a driver airbag;
6. a driver;
7. and (5) a seat.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1 and 2, a front safety monitoring method for a driver includes the steps of:
step one, acquiring front space information of a driver 6 through a sensor assembly 2;
the sensor assembly 2 comprises 6 distance sensors which are arranged on the steering wheel 1, and the measured distances between the driver 6 and the steering wheel 1 are respectively L1, L2, L3, L4, L5 and L6;
the 6 distance sensors are respectively arranged at the upper middle, the lower middle, the left side and the right side of the steering wheel 1, and measure the distances between the steering wheel 1 and the face and the chest of the driver 6 in the normal direction. The driver 6 steers the steering wheel 1 during driving of the vehicle, and each sensor may be in a highest position and a lowest position, so the safe distance algorithm system processes the signal of each distance sensor simultaneously, which signal is denoted Ln.
Because of the difference in the driving direction and driving habit of the driver 5, the position where the driver 5 holds the steering wheel with both hands changes at any time, and the distance measured by the distance sensor on the steering wheel 1 may be the distance between the direction and the hand or arm. Therefore, when the driver 6 manipulates the steering wheel 1, the distance between the hand and arm of the driver 6 and the steering wheel 1 is set to Lmin as a threshold lower limit for judging whether the signal is valid; meanwhile, during the process of driving the vehicle by the driver 6, the driver 1 may have a low head and roll action, and at this time, the distance measured by the distance sensor may be the distance between the steering wheel 1 and the seat 7; at present, the angle of the backrest, the seat position and the steering wheel position of the passenger car are adjustable, the distance values measured by adjusting the seat and the steering wheel to the distance sensors are in a maximum state, and at the moment, the maximum distance between the steering wheel 1 and the seat 7 measured by the 6 distance sensors is Lmax, which is the upper threshold limit for judging that the distance signal is effective.
Referring to fig. 3, step two, judging whether the space requirement of the driver airbag 5 for ignition is met according to the front space information of the driver; if the space requirement of the ignition of the driver airbag 5 is not met, sending information which does not meet the space requirement of the ignition of the driver airbag 5 to a safety reminding system 4;
the specific method comprises the following steps:
s1, screening distance signals, wherein the distance measured by a distance sensor is the distance between a steering wheel and a hand, the distance signals smaller than 1.1 times Lmin are filtered, and the distance measured by the distance sensor is the distance between the steering wheel and a seat and is larger than Lmax;
s2, after filtering a distance signal smaller than 1.1 times Lmin and a distance signal larger than Lmax, searching a minimum distance in the remaining distance signals for judging the distance of a driver, wherein the minimum distance is represented by L, if L is smaller than 0.95H, H is the maximum expansion full thickness of the driver airbag 5, the duration of the state is larger than a threshold T (the threshold can be adjusted and optimized according to a vehicle control strategy), and the space requirement of the ignition of the driver airbag 5 is considered not met.
Wherein, because of the way the driver 6 operates the vehicle and the bump motion of the vehicle caused by the road surface during the driving process of the vehicle, the distance between the driver 6 and the steering wheel 1 is changed at any time, in order to avoid the false reminding of the safety reminding system, a time threshold T is set for judging whether the driver is in a state of not meeting the safety distance for a long time, but not when the driver is in a certain action process, the dangerous distance is measured.
And thirdly, the safety reminding system 4 prompts the driver to risk being injured by the driver airbag 5 if collision occurs, and recommends the driver to carry out driving posture adjustment recommendation.
The safety reminding system 4 is an early warning display reminding or sound reminding.
Example two
Referring to fig. 4, a front safety monitoring device for a driver for performing the front safety monitoring method of the above embodiment, and fig. 4 is a block diagram of a front safety monitoring device for a driver according to an embodiment of the present application. The system comprises an automatic preprocessing module, an automatic calculation module 3, an early warning module, electronic equipment and a server;
the automatic preprocessing module is used for acquiring front space information of the driver 6 through the sensor assembly 2;
the automatic calculation module 3 is used for judging whether the space requirement of the ignition of the driver airbag 5 is met according to the front space information of the driver; if the space requirement of the ignition of the driver airbag 5 is not met, sending information which does not meet the space requirement of the ignition of the driver airbag 5 to an early warning module;
the early warning module is used for prompting the driver 1 that if collision occurs, the risk of being injured by the driver airbag 5 is caused, and suggesting the driver to carry out driving posture adjustment suggestion;
the electronic device and the server include: a processor and a memory having at least one instruction, at least one program, a set of codes, or a set of instructions stored therein.
The automated preprocessing module is the sensor assembly 2; the automated computing module includes: the mobile communication system comprises an operation processing component, a mobile communication data transmission component, a cloud processor and a database component; the early warning module is a safety reminding system 4.
The specific manner in which the various modules perform the operations in relation to the systems of the above embodiments have been described in detail in relation to the embodiments of the method and will not be described in detail herein.
Example III
The present embodiment is further explained with respect to the second embodiment, and fig. 5 shows a block diagram of an electronic device 300 according to an embodiment of the present application. The electronic device 300 comprises a processor 301, memory resources represented by a memory 302, the processor 301 further comprising one or more processors, the memory 302 for storing instructions, such as application programs, executable by the processor 301. The application program stored in the memory 302 may include one or more modules each corresponding to a set of instructions. Further, the processor 301 is configured to execute instructions to perform the above-described method of demonstrating driver front safety monitoring.
The electronic device 300 may further comprise at least one power supply 306 configured to perform power management of the electronic device 300, a radio frequency circuit 304 configured to connect the electronic device 300 to a network, and a peripheral interface 303 for connecting the I/O related at least one peripheral to the processor and memory, a display 305 for display. The electronic device 300 may operate based on an operating system stored in memory, such as Windows Server, mac OS XTM, unixTM, linuxTM, freeBSDTM, or the like. The peripheral interface 303, radio frequency circuitry 304, display 305, processor 301, memory 302, and power supply 306 are all electrically connected together.
Example IV
The present embodiment is further explained with reference to the second embodiment, and fig. 6 is a schematic diagram of a server structure provided in the embodiment of the present application. The server 400 may vary considerably in configuration or performance and may include one or more central processing units (central processing units, CPU) 411 (e.g., one or more processors) and memory 412, one or more storage media 431 (e.g., one or more mass storage devices) that store applications 423 or data 422. Wherein memory 412 and storage medium 431 may be transitory or persistent. The program stored on the storage medium 431 may include one or more modules (not shown), each of which may include a series of instruction operations on a server. Still further, the central processor 411 may be configured to communicate with a storage medium 431 and execute a series of instruction operations in the storage medium 431 on the server 400.
The server 400 may also include one or more power supplies 441, one or more wired or wireless network interfaces 451, one or more input/output interfaces 453, one or more keyboards 4552, and/or one or more operating systems 421, such as Windows Server, mac OS XTM, unixTM, linuxTM, freeBSDTM, etc. The power source 441, the wired or wireless network interface 451, the input/output interface 453, and the keyboard 452 are all electrically connected together.
The server 400 may include a memory 412 and one or more programs, wherein the one or more programs are stored in the memory 412 and configured to be executed by the one or more processors to perform a driver front safety monitoring method and apparatus as described in the various embodiments above.
Although embodiments of the invention have been disclosed above, they are not limited to the use listed in the specification and embodiments. It can be applied to various fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. Therefore, the invention is not to be limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (2)
1. The driver front safety monitoring method is realized based on a driver front safety monitoring device, and the device comprises an automatic preprocessing module, an automatic calculating module (3), an early warning module, electronic equipment and a server;
the automatic preprocessing module is used for acquiring front space information of a driver (6) through the sensor assembly (2);
the automatic calculation module (3) is used for judging whether the space requirement of the ignition of the driver airbag (5) is met according to the front space information of the driver; if the space requirement of the ignition of the driver airbag (5) is not met, sending information which does not meet the space requirement of the ignition of the driver airbag (5) to an early warning module;
the early warning module is used for prompting a driver (6) to risk being injured by the driver airbag (5) if collision occurs, and suggesting the driver to carry out driving posture adjustment suggestion;
the electronic device and the server include: a processor and a memory, the memory storing at least one instruction, at least one program, a set of codes, or a set of instructions;
the automated preprocessing module is the sensor assembly (2); the automated computing module includes: the mobile communication system comprises an operation processing component, a mobile communication data transmission component, a cloud processor and a database component; the early warning module is a safety reminding system (4);
the at least one instruction, the at least one program, the code set, or the instruction set is loaded and executed by the processor to implement a monitoring method of a driver front safety monitoring device;
the electronic device further includes: a radio frequency circuit and at least one power source,
the radio frequency circuit is used for connecting the electronic equipment to a network;
the power supply is used for power supply management of the electronic equipment;
the radio frequency circuit, the processor, the memory and the power supply are all electrically connected together;
the electronic device further comprises a peripheral device interface and a display screen;
the peripheral interface is used for connecting at least one peripheral device related to I/O to the processor and the memory;
the display screen is used for displaying the electronic equipment;
the peripheral equipment interface, the radio frequency circuit, the display screen, the processor, the memory and the power supply are all electrically connected together;
the server further includes: the keyboard comprises at least one power supply, a wired or wireless network interface, an input/output interface, a keyboard and an operating system, wherein the power supply, the wired or wireless network interface, the input/output interface and the keyboard are all electrically connected together; the method is characterized by comprising the following steps of:
acquiring front space information of a driver (6) through a sensor assembly (2);
judging whether the space requirement of the ignition of the air bag (5) of the driver is met or not according to the front space information of the driver; if the space requirement of the explosion of the driver airbag (5) is not met, sending information which does not meet the space requirement of the explosion of the driver airbag (5) to a safety reminding system (4);
the safety reminding system (4) prompts a driver to risk being injured by the safety air bag if collision occurs, and recommends the driver to carry out driving posture adjustment suggestion;
the sensor assembly (2) comprises 6 distance sensors which are arranged on the steering wheel (1), and the measured distances between the driver (6) and the steering wheel (1) are respectively L1, L2, L3, L4, L5 and L6; when the driver (6) controls the steering wheel (1), the distance between the hands and arms of the driver (6) and the steering wheel (1) is set to Lmin, and the Lmin is used as a lower threshold for judging whether the signal is valid or not; meanwhile, in the process of driving the vehicle by the driver (6), the driver (6) can have the actions of lowering the head and leaning, and at the moment, the distance measured by the distance sensor can be the distance between the steering wheel (1) and the seat (7); the angle of the backrest, the seat position and the steering wheel position of the passenger car are adjustable, the distance values measured by the seat and the steering wheel to the distance sensors are adjusted to be in a maximum state, and at the moment, the maximum distance between the steering wheel (1) and the seat (7) measured by the 6 distance sensors is Lmax, which is the upper threshold limit for judging that the distance signal is valid;
the specific method for judging whether the space requirement of the driver airbag (5) for ignition is met according to the front space information of the driver is as follows:
s1, screening the distance signals, and filtering the distance signals smaller than 1.1 times Lmin and the distance signals larger than Lmax
S2, after filtering a distance signal smaller than 1.1 times Lmin and a distance signal larger than Lmax, searching the minimum distance in the remaining distance signals for judging the distance of a driver, wherein the minimum distance is represented by L, if L is smaller than 0.95H, H is the maximum expansion full thickness of the driver airbag (5), the duration of the state is larger than a threshold value T, and the space requirement of the point explosion of the driver airbag (5) is considered not to be met.
2. A driver front safety monitoring method according to claim 1, characterized in that the safety warning system (4) is an early warning display warning or an audible warning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210166314.3A CN114750718B (en) | 2022-02-23 | 2022-02-23 | Method and device for monitoring front safety space of driver |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210166314.3A CN114750718B (en) | 2022-02-23 | 2022-02-23 | Method and device for monitoring front safety space of driver |
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| CN114750718A CN114750718A (en) | 2022-07-15 |
| CN114750718B true CN114750718B (en) | 2024-04-09 |
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| CN202210166314.3A Active CN114750718B (en) | 2022-02-23 | 2022-02-23 | Method and device for monitoring front safety space of driver |
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2022
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| US6254127B1 (en) * | 1992-05-05 | 2001-07-03 | Automotive Technologies International Inc. | Vehicle occupant sensing system including a distance-measuring sensor on an airbag module or steering wheel assembly |
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| CN114750718A (en) | 2022-07-15 |
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