CN113246903B - Automatic fastening and releasing system and method for automobile safety belt - Google Patents
Automatic fastening and releasing system and method for automobile safety belt Download PDFInfo
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- CN113246903B CN113246903B CN202110745053.6A CN202110745053A CN113246903B CN 113246903 B CN113246903 B CN 113246903B CN 202110745053 A CN202110745053 A CN 202110745053A CN 113246903 B CN113246903 B CN 113246903B
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- belt
- tongue
- lock catch
- mechanical arm
- lock
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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
- B60R22/04—Passive restraint systems, i.e. systems both applied and removed automatically, e.g. by movement of the vehicle door
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automotive Seat Belt Assembly (AREA)
Abstract
The invention provides an automatic fastening and releasing system and method for an automobile safety belt, wherein the safety belt in the system comprises a retractor, a mesh belt, a belt tongue, a seat belt buckle and an automobile body belt buckle; the seat belt buckle comprises a second latch; the belt tongue comprises a connecting plate and a lock tongue, the lock tongue comprises a first lock tongue and a second lock tongue which are fixedly connected outside the connecting plate respectively, and the connecting plate is connected with the woven belt; the mechanical arm drives the first lock catch to be connected with the belt tongue and sends the first lock catch to the second lock catch to be connected with the seat belt buckle. The automatic fastening or releasing of the safety belt is realized by adopting the mechanical arm, the lock catch and the power on-off of the belt tongue, the automatic fastening of the safety belt can be realized without manual operation of a passenger, and the problems that the conventional safety belt system is inconvenient for the passenger to wear and the fastening and releasing of the safety belt are not intelligent enough are solved. The phenomenon that the passenger does not fasten the safety belt intentionally is avoided, and the traffic safety is ensured.
Description
Technical Field
The invention belongs to the technical field of safety belt fastening, and particularly relates to an automatic fastening and releasing system and method for an automobile safety belt.
Background
A car seat belt is a safety device for restraining a passenger in a collision, preventing the passenger from colliding with a steering wheel, an instrument panel, or the like for a secondary collision in the collision, or preventing the passenger from being rushed out of a vehicle during the collision, and causing a death injury. In recent years, with the increasing of automobile holding capacity, road traffic accidents are on a rising trend year by year, wherein the fact that safety belts are not used is an important cause of casualties in the accidents, the safety belts are extremely important as a safety guarantee system, and damage caused by the traffic accidents can be greatly reduced by correctly using the automobile safety belts.
However, the existing safety belt design has the disadvantages that the belt tongue is hard to pull out, the safety belt is not convenient to wear, and the like, so that the convenience and the comfort of wearing the safety belt are affected, the willingness of actively wearing the safety belt is reduced, and the risk of traffic accidents is increased.
Disclosure of Invention
The invention aims to provide an automatic fastening and releasing system and method for an automobile safety belt, which can realize fastening automation and avoid the phenomenon that the safety belt is not fastened.
The invention provides an automatic fastening and releasing system of an automobile safety belt, wherein the safety belt comprises a retractor, a mesh belt, a belt tongue, a seat belt buckle and a vehicle body belt buckle; the seat belt buckle comprises a second latch; the belt tongue comprises a connecting plate and a lock tongue, the lock tongue is fixedly connected outside the connecting plate, and the connecting plate is connected with the woven belt; the mechanical arm drives the first lock catch to be connected with the belt tongue and sends the first lock catch to the second lock catch to be connected with the seat belt buckle.
The first lock catch comprises a magnetic attraction main body and a position sensor; the magnetic main body is an electromagnet, a cavity is arranged in the magnetic main body, a through hole is formed in one end of the magnetic main body to be connected with the free end of the mechanical arm, and a positioning groove is formed in the side face of the magnetic main body; the position sensor is disposed within the cavity.
The positioning groove is a blind groove, and a locking hole is formed in the center of the bottom surface of the positioning groove.
The seat belt buckle further comprises a connection ring; the second lock catch comprises a magnetic attraction main body and a position sensor; the magnetic main body is an electromagnet, a cavity is arranged in the magnetic main body, one end of the magnetic main body is provided with a joint to be connected with the connecting ring, the side surface of the magnetic main body is provided with a positioning groove, the positioning groove is a blind groove, and the center of the bottom surface of the positioning groove is provided with a locking hole; the position sensor is disposed within the cavity.
The belt tongue is a steel assembly part; the connecting plate is a rectangular plate, a position sensor is arranged in the connecting plate, and a belt ring is hinged to the outer side of one end of the connecting plate; the lock tongue comprises a locking plate and a locking column, the locking plate is matched with the positioning groove, the locking column is matched with the locking hole, the locking column is fixedly connected to the center of the locking plate, and the pair of lock tongues is respectively arranged on two sides of the connecting plate; the belt tongue is connected with the woven belt through a belt ring.
The invention also provides an automatic fastening and releasing method of the automobile safety belt, which is carried out by using the system as a tool and comprises the following steps: s.1, reading automobile information and in-automobile passenger information; and S.2, according to the read information, the system automatically fastens or automatically releases or does not work.
In specific implementation, in the S.1, the automobile information comprises automobile speed information and gear information; the occupant information includes whether or not an occupant is present and whether or not the occupant is belted.
Further, in said s.2,
if the read information is: when passengers are in the vehicle and the vehicle speed is not zero without fastening safety belts, the mechanical arm and the magnetic latch cooperate to automatically fasten,
if the read information is: when a passenger in the vehicle wears the safety belt and the vehicle speed is zero, the gear is neutral or P gear, the vehicle stops for more than a set time and the engine is stalled, the mechanical arm and the magnetic-type lock catch work together to automatically release,
otherwise the robot arm is not working.
The S.2 automatic fastening method comprises the following steps: the mechanical arm drives the first lock catch to move to the position of the belt tongue, and the first lock catch is electrified and adsorbed by a lock tongue on the belt tongue; the mechanical arm drives the first lock catch and the belt tongue to move to a second lock catch, the second lock catch is electrified to be adsorbed by the other lock tongue, and the woven belt is locked with the seat belt buckle; the first lock catch is disconnected from the lock tongue, and the mechanical arm drives the belt tongue to return.
The automatic release in the S.2 comprises the following steps: the mechanical arm drives the first lock catch to move to the seat belt buckle, the first lock catch is powered on and is adsorbed by a lock tongue on the belt tongue, the second lock catch is powered off and is separated from the belt tongue, the mechanical arm drives the first lock catch and the belt tongue to move to the D ring on the B column, the first lock catch is powered off and is separated from the belt tongue, and the retractor rewinds the mesh belt and simultaneously drives the first lock catch to return.
After the automobile information and the passenger information in the automobile are read, the working or non-working of the automobile is judged. When the buckle is automatically fastened, the mechanical arm drives the first buckle to move to the position with the tongue, the first buckle is electrified to be adsorbed to the tongue, the mechanical arm drives the first buckle and the tongue to move to the second buckle, the second buckle is electrified to be adsorbed to the other tongue, the woven belt is locked with the seat belt buckle, the first buckle is powered off to be separated from the tongue, and the mechanical arm drives the tongue to return. When the automatic release is carried out, the mechanical arm drives the first lock catch to move to the seat belt buckle, the first lock catch is powered on and is adsorbed to the lock tongue on the belt tongue, the second lock catch is powered off and is separated from the lock tongue, the mechanical arm drives the first lock catch and the belt tongue to move to the D ring on the B column, the first lock catch is powered off and is separated from the lock tongue, and the retractor rewinds the woven belt and simultaneously drives the first lock catch to return. The mechanical arm, the lock catch and the belt tongue are used for automatically fastening or releasing the safety belt, manual operation of a passenger is not needed, automation of fastening of the safety belt can be achieved, the phenomenon that the passenger does not fasten the safety belt intentionally is avoided, and traffic safety is guaranteed.
Drawings
Fig. 1 is a schematic view of an initial state of a preferred embodiment of the present invention.
Fig. 2 is a schematic view illustrating the first locking device and the tongue of the preferred embodiment.
Fig. 3 is a schematic diagram illustrating the mechanical arm carrying the tongue moving to the second latch attracting state according to the preferred embodiment.
Fig. 4 is a perspective enlarged schematic view of the belt tongue in the preferred embodiment.
Fig. 5 is an enlarged perspective view of the second lock catch in the preferred embodiment.
Fig. 6 is an enlarged perspective view of the first locking device in the preferred embodiment.
Fig. 7 is a flowchart of the operation of the preferred embodiment.
Figure number
1-a safety belt, wherein the safety belt is arranged on the safety belt,
11-a ribbon of fabric,
12-belt tongue, 121-connecting plate, 122-belt ring, 123-bolt, 1231-locking plate, 1232-locking column,
13-seat belt buckle, 131-second lock catch, 1311-magnetic attraction main body, 1312-joint, 1313-positioning groove and 1314-locking hole;
2-mechanical arm assembly, 21-mechanical arm, 22-first lock catch;
3-column B;
4-ring D;
5-column A.
Detailed Description
As shown in fig. 1 to 3, the present embodiment provides an automatic fastening and releasing system for a vehicle seat belt, which is composed of a seat belt 1 and a robot arm assembly 2. The mechanical arm component drives the safety belt to be automatically fastened or released.
The seat belt 1 is constituted by a webbing 11, a belt tongue 12, a seat belt buckle 13, a vehicle body buckle, and a retractor. The body buckle and retractor are conventional fittings for automotive vehicles and will not be described in detail herein. The middle part of the mesh belt is wound on the retractor, one end of the mesh belt penetrates through the D ring 4 on the B column 3 and then is connected with the belt tongue 12, the seat belt buckle is arranged on one side of the seat far away from the B column, and the fastening of the safety belt is realized through the mutual matching of the belt tongue and the seat belt buckle.
As shown in fig. 4, the latch 12 is a steel assembly, and is assembled by a connecting plate 121, a strap ring 122 and a latch bolt 123. Wherein the connecting plate is a rectangular plate, and a cavity is arranged in the connecting plate and used for installing the position sensor. The loop 122 is a C-ring with its open end hinged to a section of the web. The lock tongue 123 is composed of two parts, namely a locking plate 1231 and a locking column 1232, the locking plate is a rectangular plate, the locking column is a cylinder, and the locking column is fixedly connected to the center of the locking plate. During assembly, a pair of lock tongues are fixedly connected to two sides of the connecting plate respectively, the locking plate and the connecting plate are welded in a centering mode, and the whole belt tongue is connected with the woven belt through the belt ring after assembly. After the installation is finished, the belt tongue 12 is driven to move through the first lock belt of the mechanical arm assembly until the seat belt buckle 13 is in the second lock belt locking state, and then the fastening of the safety belt can be realized.
As shown in fig. 1 and 5, the seat belt buckle 13 is attracted to a latch on the belt tongue by the second striker 131. The second lock catch 131 is composed of a magnetic attraction main body and a position sensor; the magnetic main body 1311 is an electromagnet, a cavity is arranged in the magnetic main body, one end of the magnetic main body is provided with a joint 1312 to be connected with the connecting ring, the side surface of the magnetic main body is provided with a positioning groove 1313, the positioning groove is a blind groove matched with the connecting plate, the center of the bottom surface of the magnetic main body is provided with a locking hole 1314, and the locking hole is a round hole matched with the locking column; and position sensors are placed in the cavities to provide signals for the movement of the robot arm assembly 2.
As shown in fig. 1, the robot arm assembly 2 is constituted by two parts, a robot arm 21 and a first lock 22. As shown in fig. 6, the first lock 22 is similar to the second lock, except that a through hole is formed in the center of one end of the magnetic body of the first lock for assembling with the free end of the mechanical arm 21. The fixed end of the robot arm 21 is connected to the a-pillar 5.
As shown in fig. 7, the embodiment further provides an automatic fastening and releasing method for a car seat belt. The method is carried out by using the system as a tool and combining a corresponding electronic control unit and a corresponding electric element of the automobile. The method comprises the following specific steps:
the method comprises the following steps of firstly, reading automobile information and in-vehicle passenger information.
When the vehicle speed is zero, the automobile ECU judges whether passengers exist in each seat or not through sensing elements such as a seat cushion and backrest pressure sensor, a camera in the vehicle, a vehicle speed sensor, a gear sensor and the like, and whether the gear is located in a neutral position or a P gear or not.
And secondly, judging which action needs to be performed according to the read information system.
If the read information is: when passengers are in the vehicle, the passengers do not fasten safety belts and the vehicle speed is not zero, the mechanical arm and the magnetic type lock catch work in a matched mode to fasten the vehicle automatically.
When the automobile is fastened automatically, the automobile ECU sends out a safety belt fastening instruction, and the mechanical arm performs the following operations according to a preset track:
the mechanical arm moves to a B column D ring according to the information of the position sensor, the first lock catch is electrified and is adsorbed by a lock tongue on a belt tongue of the woven belt, the mechanical arm drives the belt tongue and the woven belt to move to a seat belt buckle according to the information of the position sensor, the second lock catch at the seat belt buckle is electrified and is adsorbed by the lock tongue on the other side of the belt tongue, then the lock tongue is loosened by the first lock catch in a power-off mode, the mechanical arm returns, and the system finishes automatically fastening the safety belt.
If the read information is: the safety belt is fastened by passengers in the automobile, the speed of the automobile is zero, the gear is a neutral gear or a P gear, the automobile stops for more than a certain time, the engine is flamed out, and the mechanical arm and the magnetic type lock catch work in a matched mode to automatically release.
When the safety belt is automatically released, the automobile ECU sends a safety belt releasing instruction, and the mechanical arm performs the following operations according to a preset track: the arm moves to seat spring bolt department according to position sensor information, and first hasp circular telegram adsorbs with the spring bolt of taking the tongue to go out, and the spring bolt is taken in the outage of second hasp and the pine, and the arm drives according to position sensor information and takes tongue and meshbelt to remove to B post D ring department, and the meshbelt is retrieved to the coiler, and first hasp outage and the pine takes off the spring bolt, and the arm returns the wish, and the automatic safety belt that takes off of system completion.
Otherwise the robotic arm is not operating.
The embodiment carries out the motion of safety belt and spring bolt according to predetermined orbit through the arm, confirms and revises the motion orbit of arm through position sensor, inhales the nimble absorption and the release of formula hasp realization to the safety belt spring bolt through the magnetism of brand-new design to this solves the problem that current safety belt system is not convenient for the passenger to wear, and the knot of safety belt is intelligent not enough with the release.
After the automobile information and the passenger information in the automobile are read, the working or non-working of the automobile is judged. When the bag is automatically fastened, the mechanical arm drives the first lock catch to move to the position of the belt tongue, the first lock catch is electrified and adsorbed by the belt tongue, the mechanical arm drives the first lock catch and the belt tongue to move to the position of the second lock catch, the second lock catch is electrified and adsorbed by the other belt tongue, the woven belt is locked with the seat belt buckle, the first lock catch is powered off and separated from the belt tongue, and the mechanical arm drives the belt tongue to return. When the automatic release is carried out, the mechanical arm drives the first lock catch to move to the seat belt buckle, the first lock catch is powered on and is adsorbed to a belt tongue on the belt tongue, the second lock catch is powered off and is separated from the belt tongue, the mechanical arm drives the first lock catch and the belt tongue to move to the D ring on the B column, the first lock catch is powered off and is separated from the belt tongue, and the retractor is used for rewinding the mesh belt and simultaneously drives the first lock catch to return. The mechanical arm, the lock catch and the belt tongue are used for automatically fastening or releasing the safety belt, manual operation of a passenger is not needed, automation of fastening of the safety belt can be achieved, the phenomenon that the passenger does not fasten the safety belt intentionally is avoided, and traffic safety is guaranteed.
Claims (6)
1. An automatic fastening and releasing method for automobile safety belt, the safety belt comprises a coiler, a mesh belt, a belt tongue, a seat belt buckle and a vehicle body belt buckle, and is characterized in that the method is carried out by using a mechanical arm assembly and comprises the following steps:
s.1, reading automobile information and in-automobile passenger information,
the automobile information comprises speed information and gear information; the occupant information includes whether or not an occupant is present and whether or not the occupant is wearing a seat belt;
s.2, according to the read information, the system automatically fastens or automatically releases or does not work,
if the read information is: when passengers are in the vehicle, the safety belts are not fastened by the passengers and the vehicle speed is not zero, the mechanical arm and the magnetic lock catch work together to automatically fasten the vehicle,
if the read information is: when a passenger is in the vehicle, the passenger wears a safety belt and the vehicle speed is zero, the gear is neutral or P, the vehicle stops for more than set time, and the engine is flamed out, the mechanical arm and the magnetic type lock catch work in a matching way to automatically release, and the mechanical arm does not work under other conditions;
the mechanical arm assembly comprises a mechanical arm and a first lock catch, the fixed end of the mechanical arm is connected with the A column, and the free end of the mechanical arm is connected with the lock catch; the seat belt buckle comprises a second latch; the belt tongue comprises a connecting plate and a lock tongue, the lock tongue comprises a first lock tongue and a second lock tongue which are fixedly connected outside the connecting plate respectively, and the connecting plate is connected with the woven belt; the mechanical arm drives the first lock catch to be connected with the belt tongue and sends the first lock catch to the second lock catch to be connected with the seat belt buckle;
the first lock catch comprises a magnetic attraction main body and a position sensor; the magnetic main body is an electromagnet, a cavity is arranged in the magnetic main body, a through hole is formed in one end of the magnetic main body to be connected with the free end of the mechanical arm, and a positioning groove is formed in the side face of the magnetic main body; the position sensor is arranged in the cavity;
when the safety belt is automatically fastened, the mechanical arm moves to the B column D ring according to the position sensor information, the first lock catch is electrified and adsorbed by the first lock tongue on the belt tongue of the woven belt, the mechanical arm drives the belt tongue and the woven belt to move to the seat belt buckle according to the position sensor information, the second lock catch at the seat belt buckle is electrified and adsorbed by the second lock tongue on the other side of the belt tongue, then the first lock catch is powered off to release the lock tongue, the mechanical arm returns, and the system finishes automatically fastening the safety belt.
2. The automatic vehicle seatbelt buckle and release method according to claim 1, wherein: the S.2 automatic fastening comprises the following steps:
the mechanical arm drives the first lock catch to move to the position with the tongue, and the first lock catch is electrified and adsorbed by the first lock catch on the tongue;
the mechanical arm drives the first lock catch and the belt tongue to move to a second lock catch, the second lock catch is electrified to be adsorbed by the second lock tongue, and the woven belt is locked with the seat belt buckle;
the first lock is disconnected with the first lock tongue when the power is cut off, and the mechanical arm drives the belt tongue to return.
3. The automatic vehicle seatbelt buckle and release method of claim 1, wherein the automatic release in s.2 comprises the steps of:
the mechanical arm drives the first lock catch to move to the seat belt buckle, the first lock catch is electrified and is adsorbed to the first lock tongue on the belt tongue, the second lock catch is powered off and is separated from the belt tongue, the mechanical arm drives the first lock catch and the belt tongue to move to the D ring on the B column, the first lock catch is powered off and is separated from the belt tongue, and the retractor rewinds the mesh belt and simultaneously drives the first lock catch to return.
4. The automatic vehicle seatbelt buckle and release method according to claim 1, wherein: the locating slot is a blind slot, and a locking hole is formed in the center of the bottom face of the locating slot.
5. The automatic fastening and releasing method of a car seat belt according to claim 1, characterized in that: the seat belt buckle further comprises a connection ring; the second lock catch comprises a magnetic attraction main body and a position sensor; the magnetic main body is an electromagnet, a cavity is arranged in the magnetic main body, one end of the magnetic main body is provided with a joint to be connected with the connecting ring, the side surface of the magnetic main body is provided with a positioning groove, the positioning groove is a blind groove, and the center of the bottom surface of the positioning groove is provided with a locking hole; the position sensor is disposed within the cavity.
6. The automatic vehicle seatbelt buckle and release method according to claim 5, wherein: the belt tongue is a steel assembly part; the connecting plate is a rectangular plate, a position sensor is arranged in the connecting plate, and a belt ring is hinged to the outer side of one end of the connecting plate; the lock tongue comprises a locking plate and a locking column, the locking plate is matched with the positioning groove, the locking column is matched with the locking hole, and the locking column is fixedly connected to the center of the locking plate; the belt tongue is connected with the woven belt through a belt ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110745053.6A CN113246903B (en) | 2021-06-30 | 2021-06-30 | Automatic fastening and releasing system and method for automobile safety belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110745053.6A CN113246903B (en) | 2021-06-30 | 2021-06-30 | Automatic fastening and releasing system and method for automobile safety belt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113246903A CN113246903A (en) | 2021-08-13 |
| CN113246903B true CN113246903B (en) | 2022-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110745053.6A Active CN113246903B (en) | 2021-06-30 | 2021-06-30 | Automatic fastening and releasing system and method for automobile safety belt |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5028425U (en) * | 1973-07-11 | 1975-04-01 | ||
| AU8281675A (en) * | 1975-03-27 | 1977-01-13 | Igeta H | Seat belt assembly |
| CN108297820B (en) * | 2018-01-31 | 2020-11-03 | 宁波吉利汽车研究开发有限公司 | Supplementary ware and car of wearing of safety belt |
| CN210852372U (en) * | 2019-08-28 | 2020-06-26 | 北京汽车股份有限公司 | Buckle device of safety belt and vehicle that have it |
| CN212148757U (en) * | 2020-02-18 | 2020-12-15 | 长春光速科技有限公司 | Safety belt plug |
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2021
- 2021-06-30 CN CN202110745053.6A patent/CN113246903B/en active Active
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| CN113246903A (en) | 2021-08-13 |
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