CN110182168B - Self-adaptation safety belt governing system and car - Google Patents
Self-adaptation safety belt governing system and car Download PDFInfo
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- CN110182168B CN110182168B CN201910475824.7A CN201910475824A CN110182168B CN 110182168 B CN110182168 B CN 110182168B CN 201910475824 A CN201910475824 A CN 201910475824A CN 110182168 B CN110182168 B CN 110182168B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/18—Anchoring devices
- B60R22/20—Anchoring devices adjustable in position, e.g. in height
- B60R22/201—Anchoring devices adjustable in position, e.g. in height with the belt anchor connected to a slider movable in a vehicle-mounted track
- B60R22/202—Anchoring devices adjustable in position, e.g. in height with the belt anchor connected to a slider movable in a vehicle-mounted track the slider comprising spring-actuated locking means
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Abstract
The invention relates to the technical field of automobile control, in particular to a self-adaptive safety belt adjusting system and an automobile, wherein a wearing identification module in the adjusting system comprises a human body identification camera unit, and the human body identification camera unit is used for identifying safety belt wearing information of a current passenger; the ECU control module is used for receiving the safety belt wearing information of the current passenger and judging whether the passenger wears the safety belt correctly, if not, the ECU control module is also used for judging whether the safety belt can be worn correctly by adjusting the fixed gear of the safety belt, and if so, the fixed gear information when the safety belt is worn correctly is sent to the safety belt control module; the safety belt control module is used for controlling the safety belt regulator to adjust the fixed gear of the safety belt according to the fixed gear information when the safety belt is worn correctly. Full automation operation in this scheme, the safety belt adjusts the rate of accuracy height, adjusts efficiently, when promoting passenger to experience by bus and feel, improves driving safety.
Description
Technical Field
The invention relates to the technical field of automobile control, in particular to a self-adaptive safety belt adjusting system and an automobile.
Background
With the increase of the number of automobiles, the safety performance of the vehicles is more and more emphasized, and the safety belts on the vehicles play a crucial role in the passive safety of the vehicles, so that the current regulations have compelled the vehicles to be equipped with the safety belts. The safety belt is based on the principle that when a vehicle is collided or emergently braked, a pre-tightening device can be instantly contracted to tighten the safety belt loosened when the vehicle is worn, so that a passenger is firmly locked on a seat, and secondary collision is prevented.
The safety belt is protected by correct wearing, and the safety belt of the front passenger needs to be adjusted manually to ensure that the safety belt is worn correctly due to different heights of the passengers. The safety belt passes through the middle of the shoulder of a passenger, but due to the complex adjustment process and the lack of understanding on the correct wearing position of many passengers, the fixed point on the safety belt is not adjusted to a proper fixed gear simply and conveniently, so that the safety belt is possibly too close to the neck relative to the short passengers, and the safety belt can be tied to the neck during collision to cause casualties; a passenger seat belt, which is relatively tall, may be tied to the outside of the shoulder, and the seat belt may be dropped out of the seat belt during a collision, thereby being ineffective. The experience feeling brought to the passengers is poor, and the safety of the passengers cannot be effectively guaranteed.
Disclosure of Invention
Therefore, a self-adaptive safety belt adjusting system and an automobile need to be provided to solve the problems that in the prior art, the safety belt of the automobile is not worn correctly, the experience of passengers is poor, and the safety performance is poor.
To achieve the above object, the inventors provide an adaptive seat belt adjusting system, the adjusting system including a wear identification module, an ECU control module, a seat belt control module, and a seat belt adjuster;
the wearing identification module comprises a human body identification camera unit, and the human body identification camera unit is used for identifying safety belt wearing information of a current passenger;
the ECU control module is used for receiving the safety belt wearing information of the current passenger and judging whether the passenger correctly wears the safety belt, if not, the ECU control module is also used for judging whether the safety belt can be correctly worn by adjusting the fixed gear of the safety belt, and if so, the fixed gear information when the safety belt is correctly worn is sent to the safety belt control module;
the safety belt control module is used for controlling the safety belt regulator to adjust the fixed gear of the safety belt according to the fixed gear information when the safety belt is worn correctly.
Further, the step of determining whether the seat belt can be correctly worn by adjusting the fixed gear of the seat belt by the ECU control module specifically includes:
the ECU control module prestores the position and the fixed gear information of the safety belt regulator and records the current fixed gear information;
the ECU control module is used for capturing the position information of the middle position point of the shoulder of the human body, the surface of the abdomen or the chest of the human body and the position information of a guide ring in the safety belt adjuster through the human body information identified by the human body identification camera unit;
the ECU control module is also used for simulating safety belt wearing information of the safety belt regulator at different fixed gears, namely generating a virtual safety belt which takes a safety belt locking point as a starting point and passes through the surface of the abdomen or the chest of a human body to reach the guide ring;
and the ECU control module is also used for judging that the safety belt can be correctly worn by adjusting the fixed gear of the safety belt when judging that the virtual safety belt meets the correct wearing information of the safety belt, recording the current fixed gear information and sending the current fixed gear information to the safety belt control module.
Further, the adjusting system further comprises a voice alarm module, and when the ECU control module judges that the safety belt cannot be worn correctly by adjusting the fixed gear of the safety belt, the voice alarm module is used for sending alarm information of 'please wear the safety belt correctly'.
Further, the step of "the ECU controlling module is configured to receive the seatbelt wearing information of the current passenger, and determine whether the passenger wears the seatbelt correctly" specifically includes:
and when the distances between the two sides of the safety belt and the outer sides of the neck and the shoulders are larger than the preset distance along the belt width direction, judging that the passenger wears the safety belt correctly.
Further, the preset distance is 10 mm.
Furthermore, the wearing identification module further comprises a camera shooting starting unit, and the camera shooting starting unit is used for controlling the human body identification camera shooting unit to start when the buckle of the safety belt adjuster is locked into the buckle.
Further, the safety belt adjuster comprises a body, a sliding mechanism, a driving mechanism, a limiting locking mechanism and a safety belt mechanism;
the body is provided with a plurality of gear grooves, and the gear grooves uniformly extend towards one side of the body;
the plate surface of the sliding mechanism is provided with a limiting perforation, and one side of the sliding mechanism is provided with a ratchet bar;
the driving mechanism comprises a motor and a transmission gear, the transmission gear is fixed on an output shaft of the motor, the transmission gear is meshed with the ratchet bar, and the motor drives the sliding mechanism to move along the body through the transmission gear;
the limiting locking mechanism comprises an electromagnet, a connecting spring and a limiting lock tongue, the electromagnet is connected with the sliding mechanism, one end of the connecting spring is fixed with the electromagnet, the other end of the connecting spring is fixed with the limiting lock tongue, and the limiting lock tongue penetrates through the limiting through hole and can be inserted into or separated from the gear groove;
the safety belt mechanism comprises a guide ring, a safety belt, a buckle and a lock catch, the safety belt is fixed with the guide ring, the guide ring is fixed with the sliding mechanism, the buckle is fixed on the safety belt, and the buckle can be inserted into the lock catch for locking;
the safety belt control module is respectively connected with the motor and the electromagnet and is used for controlling the starting and stopping of the motor and the electric conduction or the cutoff of the electromagnet.
Further, the safety belt adjuster further comprises a gear groove protection plate, the gear groove protection plate is arranged on the body, and the position of the groove in the gear groove protection plate is matched with the position of the gear groove in the body.
Furthermore, the sliding mechanism is a sliding plate, sliding grooves are formed in two sides of the sliding plate, the sliding plate is sleeved on the body through the sliding grooves, protruding clamping grooves are formed in the upper surface of the sliding plate, the electromagnet is clamped in the clamping grooves, welding columns are further arranged at one end of the sliding mechanism, and the guide ring is sleeved on the welding columns and locked through nuts.
To achieve the above object, the inventor further provides an automobile having the above adaptive seat belt adjusting system.
Different from the prior art, the technical scheme has the advantages that: the invention discloses a self-adaptive safety belt adjusting system and an automobile, wherein the self-adaptive safety belt adjusting system firstly identifies human body information and safety belt wearing information of a current passenger through a human body identification module in a wearing identification module, an ECU control module can automatically judge whether the passenger correctly wears a safety belt after receiving the safety belt wearing information of the current passenger, and meanwhile, when the safety belt is judged to be correctly worn by adjusting a fixed gear of the safety belt, a safety belt control module controls a safety belt adjuster to adjust according to the correctly worn fixed gear information. Full automation operation in this scheme, the safety belt adjusts the rate of accuracy height, adjusts efficiently, and it is very convenient to use, when promoting passenger's experience sense by bus, improves driving safety.
Drawings
FIG. 1 is a schematic diagram of module control connections of the adaptive seatbelt adjustment system in an exemplary embodiment;
FIG. 2 is a schematic illustration of an exploded view of the belt height adjuster in an embodiment;
FIG. 3 is an enlarged view of the structure of the portion C in FIG. 2;
FIG. 4 is a schematic view of a sliding mechanism of the seat belt height adjusting apparatus according to the embodiment;
FIG. 5 is a schematic front view of the seat belt height adjustment mechanism according to an embodiment;
FIG. 6 is an enlarged view of the structure of portion D in FIG. 5;
fig. 7 is a schematic sectional view in the direction of a-a in fig. 6.
Description of reference numerals:
100. a wear identification module;
110. a human body recognition camera unit;
120. a camera starting unit;
200. an ECU control module;
300. a seat belt control module;
400. a seat belt adjuster;
410. a body; 411. a gear groove;
420. a sliding mechanism; 421. limiting and perforating; 422. a ratchet bar; 423. a chute; 424. a card slot; 425. welding the column;
430. a drive mechanism; 431. a motor; 432. a transmission gear;
440. a limiting locking mechanism; 441. an electromagnet; 442. a connecting spring; 443. a spring bolt is limited;
450. a seat belt mechanism; 451. a guide ring; 452. a safety belt; 453. buckling;
460. a gear groove guard plate;
470. a magnet guard plate;
500. a voice alarm module;
600. and a B column inner metal plate of the vehicle body.
Detailed Description
In order to explain technical contents, structural features, objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 7, the present embodiment discloses an adaptive seat belt adjusting system, which includes a wearing identification module 100, an ECU control module 200, a seat belt control module 300, and a seat belt adjuster 400;
the wearing identification module 100 includes a human body recognition camera unit 110, and the human body recognition camera unit 110 is configured to recognize the seat belt wearing information of the current passenger; the human body recognition camera unit 110 needs to use the existing machine vision image sensing technology, and can accurately detect and track passengers through the deep learning capability of an artificial intelligent machine, so as to realize human body detection, analysis and recognition. In a machine vision image, a human body image model is established through a human body recognition algorithm, automatic human body recognition is completed, each joint point position of a human body is captured, the human body and an object (including a safety belt) can be accurately distinguished through intelligent analysis of the vision image, and the human body recognition camera unit 110 can recognize the wearing condition of the current safety belt based on the technology. The occupant may be a driver or a passenger in a co-driver.
The ECU control module 200 is configured to receive the current seat belt wearing information of the passenger, and determine whether the passenger correctly wears the seat belt, if yes, the current seat belt of the passenger does not need to be adjusted, and the whole adjustment process is finished; if not, the ECU control module 200 is further configured to determine whether the seatbelt can be correctly worn by adjusting the fixed gear of the seatbelt 452, and if so, send the fixed gear information when the seatbelt is correctly worn to the seatbelt control module 300; the ECU control module 200 serves as a core control part of the adaptive seat belt adjusting system of the present invention, and the specific ECU control module 200 is a vehicle-mounted ECU. In the application, the fixed gear refers to a fixed gear where an upper fixed point of the safety belt is located, and the fixed gear of the upper fixed point of the safety belt is changed to adjust the fixed height of the safety belt.
The belt control module 300 is configured to control the belt adjuster 400 to adjust the fixed gear of the seat belt according to the fixed gear information when the seat belt is worn correctly. The belt control module 300 first receives the correct fixed gear information obtained by the ECU control module 200, and then automatically adjusts the fixed gear of the belt 452 according to the correct gear information, so that the current passenger can wear the belt correctly, and accidents are prevented.
In the adaptive seat belt adjusting system in this embodiment, firstly, the human body identification module in the wearing identification module 100 identifies the human body information and the seat belt wearing information of the current passenger, and after receiving the seat belt wearing information of the current passenger, the ECU control module 200 can automatically determine whether the passenger correctly wears the seat belt, and meanwhile, when it is determined that the seat belt can be correctly worn by adjusting the fixed gear of the seat belt 452, the seat belt control module 300 controls the seat belt adjuster 400 to adjust according to the correctly worn fixed gear information. Full automation operation in this scheme, the safety belt adjusts the rate of accuracy height, adjusts efficiently, and it is very convenient to use, when promoting passenger's experience sense by bus, improves driving safety.
In a further embodiment shown in fig. 1, the step of determining whether the belt can be worn correctly by adjusting the fixed gear of the belt by the ECU control module 200 specifically includes:
the ECU control module 200 prestores the position and fixed gear information of the seatbelt adjuster 400, and records the current fixed gear information; only the position information, the fitting relationship, and all the fixed gear information of each component mechanism of the corresponding seatbelt adjuster 400 are pre-stored in the ECU control module 200, and the subsequent internal simulation adjustment process can be facilitated, so that the adjustment accuracy is ensured. Certainly, at the same time, the fixed gear information of the current fixed point on the seat belt adjuster 400, that is, the fixed gear of the seat belt after the previous adjustment, needs to be recorded, so that the ECU control module 200 can calculate the change amount of the fixed gear in the current adjustment process, and the adjustment is more convenient.
The ECU control module 200 is used for capturing the position information of the middle position point of the shoulder and the surface of the abdomen or chest of the human body and the position information of the guide ring 451 in the seatbelt adjuster 400 through the human body information recognized by the human body recognition camera unit 110; the ECU control module 200 recognizes and captures the above information to facilitate its subsequent analog adjustment of the seat belt within the system.
The ECU 200 is further configured to simulate the seat belt wearing information of the seat belt adjuster 400 at different fixed gears, that is, generate a virtual seat belt that starts from the seat belt locking point and passes through the abdomen or chest surface of the human body to the guide ring 451; the virtual safety belt generation process needs to simulate the wearing condition of the virtual safety belt on the body of the current passenger through simulating the safety belt regulator 400 at different fixed gears according to the human body information detected by the human body identification camera unit and the position information of the guide ring, so that the correct wearing information of the safety belt meeting the current passenger can be found conveniently.
The ECU control module 200 is further configured to determine that the virtual seatbelt satisfies the seatbelt proper wearing information, and determine that the seatbelt can be correctly worn by adjusting the fixed gear of the seatbelt, record the current fixed gear information, and send the current fixed gear information to the seatbelt control module 300. The belt control module 300 is then used to control the belt adjuster 400 to adjust the fixed gear of the belt according to the fixed gear information when the belt is worn correctly.
Referring to fig. 1, in a further embodiment, the adjusting system further includes a voice alarm module 500, and when the ECU control module 200 determines that it is not possible to implement correct wearing of the seat belt by adjusting the fixed gear of the seat belt, the voice alarm module is configured to send an alarm message "please wear the seat belt correctly". That is to say, ECU control module 200 still is used for simulating the safety belt of safety belt regulator 400 under different fixed gears and wears the information, and ECU control module 200 judges that each virtual safety belt does not all satisfy the safety belt and wears the information correctly, that is to say, current passenger can't adjust through the safety belt altitude controller, consequently sends above alarm information, reminds passenger to pay attention to safety, reduces the emergence probability of incident. Specifically, audio alert module 500 can be integrated in the speaker of car A post backplate, and the structure sets up more rationally.
In a specific embodiment, the step of "the ECU control module 200 is configured to receive the seatbelt wearing information of the current passenger, and determine whether the passenger wears the seatbelt correctly" specifically includes:
and when the distances between the two sides of the safety belt and the outer sides of the neck and the shoulders along the belt width direction are larger than the preset distance, judging that the passenger correctly wears the safety belt. Preferably, the preset distance is 10 mm. The value is obtained by analyzing and calibrating early-stage theoretical analysis and real vehicle collision verification data, and the preset distance can be adjusted at any time in later-stage use.
In the embodiment shown in fig. 1, the wearable identification module 100 further includes a camera starting unit 120, and the camera starting unit 120 is used for controlling the human body identification camera unit 110 to start when the buckle 453 of the seat belt adjuster 400 is locked into the lock catch. That is, the human body recognition camera unit 110 needs to perform detection and recognition when the occupant has worn the seat belt, so as to perform seat belt wearing adjustment in time, thereby reducing the probability of safety accidents.
Referring to fig. 2 to 7, in an embodiment, the seat belt adjuster 400 includes a body 410, a sliding mechanism 420, a driving mechanism 430, a limit locking mechanism 440, and a seat belt mechanism 450;
the body 410 serves as a main structure of the seat belt adjuster 400, and is used for mounting other components such as a bearing sliding mechanism 420, a limiting locking mechanism 440, and the like. The body 410 is provided with a plurality of gear slots 411, and the gear slots 411 uniformly extend towards one side of the body 410; the gear slot 411 is corresponding to different gears of the safety belt height adjuster, and is used for adjusting the use height of the safety belt. Preferably, the body 410 is a long plate-shaped metal member, the body 410 can be fixed on the inner metal plate 600 of the column B of the vehicle body through an upper bolt and a lower bolt, and the detachable connection mode of bolt fixing is adopted, so that the replacement or maintenance is convenient.
The plate surface of the sliding mechanism 420 is provided with a limiting perforation 421, and one side of the sliding mechanism 420 is provided with a ratchet bar 422; specifically, the limiting through hole 421 is provided to facilitate the through hole of the limiting locking tongue 443, so that the limiting locking tongue 443 can perform telescopic movement along the limiting through hole 421, the movement is stable, and the working state is better.
The driving mechanism 430 comprises a motor 431 and a transmission gear 432, the transmission gear 432 is fixed on an output shaft of the motor 431, the transmission gear 432 is meshed with the ratchet bar 422, and the motor 431 drives the sliding mechanism 420 to move along the body 410 through the transmission gear 432; the sliding mechanism 420 moves, so that the position of the limit locking mechanism 440 fixed with the sliding mechanism 420 is changed relative to the position slot 411 on the body 410, and when the limit locking mechanism 440 makes the adjusting device in the locked state again, the height position of the safety belt 452 is changed, so that the safety belt of the passenger can be worn correctly.
The limit locking mechanism 440 comprises an electromagnet 441, a connecting spring 442 and a limit locking tongue 443, the electromagnet 441 is connected with the sliding mechanism 420, one end of the connecting spring 442 is fixed with the electromagnet 441, the other end of the connecting spring 442 is fixed with the limit locking tongue 443, and the limit locking tongue 443 passes through the limit through hole 421 and can be inserted into or separated from the gear slot 411;
the safety belt mechanism 450 comprises a guide ring 451, a safety belt 452, a buckle 453 and a lock catch, wherein the safety belt 452 is fixed with the guide ring 451, the guide ring 451 is fixed with the sliding mechanism 420, the buckle 453 is fixed on the safety belt 452, and the buckle 453 can be inserted into the lock catch for locking;
the seat belt control module 300 is respectively connected with the motor 431 and the electromagnet 441, and the seat belt control module 300 is used for controlling the start and stop of the motor 431 and the electric conduction or cutoff of the electromagnet 441.
In this embodiment, when the ECU control module 200 obtains the shift information of the belt fixing point suitable for the current passenger, the fixed shift information is sent to the belt control module 300, the belt control module 300 first sends an electrical conduction control signal to the electromagnet 441, when the electromagnet 441 is electrically conducted, the electromagnet 441 overcomes the elastic force of the connecting spring 442 to attract the iron pillar locking tongue 443 for attraction, the locking tongue 443 is separated from the shift slot 411, and the locking state of the adjustment device is released. After 0.5s, the ECU sends a starting signal to the stepping motor 431, the transmission gear 432 fixed on the output shaft of the motor 431 rotates forwards or reversely by a corresponding angle, so that the sliding mechanism 420 meshed with the transmission gear 432 is driven to move upwards or downwards by a corresponding distance, after the position of the sliding mechanism 420 is moved, after 0.5s, the ECU sends a power-off signal to the electromagnet 441, after the electromagnet 441 is powered off, the lower limit bolt 443 is pushed by the elastic force of the connecting spring 442 to extend into the gear groove 411 of the body 410 again, so that the adjusting device is in a locking state again, and the use safety of the safety belt is ensured. The height of the safety belt 452 can be automatically adjusted through the adjusting device, the use is very convenient, both hands of a passenger are liberated, and the safety and experience of the passenger are improved. Preferably, the functions of the seatbelt control module 300 may be integrated in the ECU control module 200, and the movement of the seatbelt adjuster 400 is controlled directly using the ECU control module 200.
In the embodiment shown in fig. 2 and 3, the seat belt adjuster 400 further includes a shift slot guard 460, the shift slot guard 460 is disposed on the body 410, and the position of the recess on the shift slot guard 460 is matched with the position of the shift slot 411 on the body 410. The gear groove protecting plate 460 can protect the gear groove 411, so that the gear groove 411 is prevented from being worn or even damaged in the long-term use process, the gear groove protecting plate 460 is simpler to replace, and the use cost is lower.
Referring to fig. 3 and 4, in a further embodiment, the sliding mechanism 420 is a sliding plate, sliding grooves 423 are formed in two sides of the sliding plate, the sliding plate is sleeved on the body 410 through the sliding grooves 423, a raised clamping groove 424 is formed in the upper surface of the sliding plate, the electromagnet 441 is clamped in the clamping groove 424, a welding column 425 is further formed at one end of the sliding mechanism 420, and the guide ring 451 is sleeved on the welding column 425 and locked by a nut. Preferably, the ratchet bar 422 is welded to the left side of the slip plate. The motor 431 is fixed on the inner metal plate 600 of the column B of the vehicle body, and a transmission gear 432 fixed on an output shaft of the motor 431 is matched with a ratchet bar 422 and can drive the sliding plate to move. The sliding groove 423 is formed by bending the side edge of the sliding plate downwards and inwards, and the sliding groove 423 can strictly limit the moving path of the sliding plate, so that the work of the adjusting mechanism is more stable. Specifically, the electromagnet is engaged with the engaging slot 424, so that the connecting spring 442 and the locking tongue 443 fixed to the electromagnet 441 may move accordingly, and the locking mechanism 440 moves along with the sliding plate, so that the locking tongue 443 may change its position relative to the position slot 411 on the body 410, thereby adjusting the height of the seat belt 452. In some preferred embodiments, the adjusting device further includes a magnet protection plate 470, the electromagnet 441 is fixed on the magnet protection plate 470, and the electromagnet 441 is clamped in the clamping groove 424224 of the sliding plate through the magnet protection plate 470. The magnet guard 470 may be used to protect the electromagnet 441 from other external forces. Preferably, the magnet guard 470 is shaped and sized to fit into the slot 424 on the slide plate.
The embodiment also discloses an automobile which is provided with the self-adaptive safety belt adjusting system. Full automation operation in this scheme, the safety belt adjusts the rate of accuracy height, adjusts efficiently, and it is very convenient to use, when promoting passenger's experience sense of riding, improves driving safety for this type of car has stronger competitiveness.
It should be noted that, although the above embodiments have been described herein, the invention is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by changing and modifying the embodiments described herein or by using the equivalent structures or equivalent processes of the content of the present specification and the attached drawings, and are included in the scope of the present patent.
Claims (9)
1. An adaptive seat belt adjusting system, characterized in that the adjusting system comprises a wearing identification module, an ECU control module, a seat belt control module and a seat belt adjuster;
the wearing identification module comprises a human body identification camera unit, and the human body identification camera unit is used for identifying safety belt wearing information of a current passenger;
the ECU control module is used for receiving the safety belt wearing information of the current passenger and judging whether the passenger wears the safety belt correctly, if not, the ECU control module is also used for judging whether the safety belt can be worn correctly by adjusting the fixed gear of the safety belt, and if so, the fixed gear information when the safety belt is worn correctly is sent to the safety belt control module;
the safety belt control module is used for controlling the safety belt regulator to adjust the fixed gear of the safety belt according to the fixed gear information when the safety belt is worn correctly;
the step of judging whether the safety belt can be correctly worn by adjusting the fixed gear of the safety belt by the ECU control module specifically comprises the following steps:
the ECU control module prestores the position and the fixed gear information of the safety belt regulator and records the current fixed gear information;
the ECU control module is used for capturing the position information of the middle position point of the shoulder of the human body, the surface of the abdomen or the chest and the position information of the guide ring in the safety belt regulator through the human body information identified by the human body identification camera unit;
the ECU control module is also used for simulating safety belt wearing information of the safety belt regulator at different fixed gears, namely generating a virtual safety belt which takes a safety belt locking point as a starting point and passes through the surface of the abdomen or the chest of a human body to reach the guide ring;
and the ECU control module is also used for judging that the safety belt can be correctly worn by adjusting the fixed gear of the safety belt when judging that the virtual safety belt meets the correct wearing information of the safety belt, recording the current fixed gear information and sending the current fixed gear information to the safety belt control module.
2. The adaptive seat belt adjusting system according to claim 1, further comprising a voice alarm module for issuing an alarm message "please wear the seat belt correctly" when the ECU control module determines that it is not possible to implement correct wearing of the seat belt by adjusting the fixed gear of the seat belt.
3. The adaptive seat belt adjusting system according to claim 1, wherein the ECU control module is configured to receive seat belt wearing information of a current passenger, and determine whether the passenger wears a seat belt correctly includes:
and when the distances between the two sides of the safety belt and the outer sides of the neck and the shoulders along the belt width direction are larger than the preset distance, judging that the passenger correctly wears the safety belt.
4. The adaptive seatbelt adjustment system according to claim 3, characterized in that the preset spacing is 10 mm.
5. The adaptive seat belt adjustment system of claim 1, wherein the wear identification module further comprises a camera activation unit for controlling activation of the human identification camera unit when a buckle of the seat belt adjuster is locked into the buckle.
6. The adaptive seat belt adjustment system of claim 1, wherein the seat belt adjuster comprises a body, a sliding mechanism, a drive mechanism, a positive lock mechanism, and a seat belt mechanism;
the body is provided with a plurality of gear grooves, and the gear grooves uniformly extend towards one side of the body;
the plate surface of the sliding mechanism is provided with a limiting perforation, and one side of the sliding mechanism is provided with a ratchet bar;
the driving mechanism comprises a motor and a transmission gear, the transmission gear is fixed on an output shaft of the motor, the transmission gear is meshed with the ratchet bar, and the motor drives the sliding mechanism to move along the body through the transmission gear;
the limiting locking mechanism comprises an electromagnet, a connecting spring and a limiting lock tongue, the electromagnet is connected with the sliding mechanism, one end of the connecting spring is fixed with the electromagnet, the other end of the connecting spring is fixed with the limiting lock tongue, and the limiting lock tongue penetrates through the limiting through hole and can be inserted into or separated from the gear groove;
the safety belt mechanism comprises a guide ring, a safety belt, a buckle and a lock catch, the safety belt is fixed with the guide ring, the guide ring is fixed with the sliding mechanism, the buckle is fixed on the safety belt, and the buckle can be inserted into the lock catch for locking;
the safety belt control module is respectively connected with the motor and the electromagnet and is used for controlling the starting and stopping of the motor and the electric conduction or the cutoff of the electromagnet.
7. The adaptive seat belt adjusting system of claim 6, wherein the seat belt adjuster further comprises a shift slot guard, the shift slot guard is disposed on the body, and a position of the recess on the shift slot guard is adapted to a position of the shift slot on the body.
8. The adaptive seat belt adjusting system according to claim 6, wherein the sliding mechanism is a sliding plate, sliding grooves are formed in two sides of the sliding plate, the sliding plate is sleeved on the body through the sliding grooves, a raised clamping groove is formed in an upper surface of the sliding plate, the electromagnet is clamped in the clamping groove, a welding column is further arranged at one end of the sliding mechanism, and the guide ring is sleeved on the welding column and locked through a nut.
9. A motor vehicle, characterized in that it has an adaptive seat belt adjustment system according to any one of claims 1 to 8.
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| CN201910475824.7A CN110182168B (en) | 2019-06-03 | 2019-06-03 | Self-adaptation safety belt governing system and car |
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| CN201910475824.7A CN110182168B (en) | 2019-06-03 | 2019-06-03 | Self-adaptation safety belt governing system and car |
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| CN110182168B true CN110182168B (en) | 2022-07-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112200148B (en) * | 2020-11-06 | 2024-01-26 | 中国计量大学 | Decentralizing traffic integrity evaluation system |
| CN112550212B (en) * | 2020-12-14 | 2022-05-03 | 浙江零跑科技股份有限公司 | Intelligent management system for safety belt of automobile driver |
| CN112758063B (en) * | 2020-12-15 | 2022-04-01 | 云度新能源汽车股份有限公司 | Brake pedal electromagnetic control mechanism and car |
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