CN113043991A - Adjustable safety belt and automatic control method thereof - Google Patents
Adjustable safety belt and automatic control method thereof Download PDFInfo
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- CN113043991A CN113043991A CN202110430003.9A CN202110430003A CN113043991A CN 113043991 A CN113043991 A CN 113043991A CN 202110430003 A CN202110430003 A CN 202110430003A CN 113043991 A CN113043991 A CN 113043991A
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- 230000037237 body shape Effects 0.000 claims description 11
- 230000037396 body weight Effects 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims 3
- 230000005611 electricity Effects 0.000 claims 3
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 1
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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
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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
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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
- B60R2022/207—Horizontally or transversally adjustable
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automotive Seat Belt Assembly (AREA)
Abstract
The invention relates to the field of automobile safety, and discloses an adjustable safety belt which comprises a braid and a lock tongue sleeved on the braid, wherein the upper end of the braid penetrates through a guide ring to be connected with a retractor, the guide ring is connected to an upper fixed point height adjuster, the lower end of the braid is connected with an end piece, the end piece is connected to an end piece front-rear adjuster, the lock tongue is matched with a belt buckle, and the belt buckle is connected to a belt buckle lifting rotating device. The invention also discloses an automatic control method of the adjustable safety belt. The adjustable safety belt and the automatic control method thereof can meet the requirements of drivers with different body types on comfort and safety performance by adjusting the height of the upper fixing point, the front and back direction of the lower fixing point and the height of the belt buckle when the adjustable safety belt is worn.
Description
Technical Field
The invention relates to the field of automobile safety, in particular to an adjustable safety belt and an automatic control method thereof.
Background
Drivers with different body types take different positions, but all fixing points cannot move after the safety belt is installed on the vehicle body, the woven belt is easy to cut the neck for 95% of men, and the woven belt is easy to slide off from the shoulders for 5% of women; meanwhile, when a driver and a passenger wear the safety belt, in order to ensure the inserting convenience, the buckle is usually expected to be higher than the seat more, but the buckle is lower than or equal to the seat, so that the comfort and the safety of the driver and the passenger are better.
Chinese patent (published: 2016: 11/02/78, publication No. CN106064603A) discloses a system including a seat belt height adjuster, a seat belt retractor including a pull-out amount sensor, and a seat. The seat includes a seat position sensor and a weight sensor configured to measure a weight of an occupant of the seat. The system includes a control module in communication with a pull-out amount sensor, a seat position sensor, and a weight sensor. The control module is programmed to calculate a size of the occupant based on at least the pull-out amount and the seat position. The control module is programmed to adjust the position of the seat belt height adjuster based at least on the size and weight of the occupant. But it only adjusts the height of the seat belt and does not involve adjusting the front and rear positions of the lower end fixing point of the seat belt, that is, it can adjust the height of the seat belt according to the height of the passenger, but it ignores the size of the passenger's body shape to adjust the position of the lower end fixing point of the seat belt.
Chinese patent (published: 2019, 03, 19 and published: CN208615893U) discloses a lower fixed point structure of a vehicle safety belt, which comprises a strip-shaped tooth-shaped clamping groove, wherein the strip-shaped tooth-shaped clamping groove is fixed on a bottom plate of an automobile seat, a sliding block is arranged on the upper side of the strip-shaped tooth-shaped clamping groove, a connecting block is arranged on the side face of one end of the sliding block, the connecting block is connected with a lower clamping seat of the safety belt, a tooth-shaped protrusion corresponding to the strip-shaped tooth-shaped clamping groove is arranged on the lower end face of the sliding block, a push arm is also connected to the side face of the sliding block, the push arm is connected to a support, the support is relatively fixedly. The utility model discloses set up the fixed point under the safety belt on one can follow the slider of rectangular tooth profile clamping groove back-and-forth movement, form the hasp relation between slider and the rectangular tooth profile clamping groove, this relation is unblanked and is locked through a push arm realization, simple structure is compact, convenient operation improves the driver and wears the travelling comfort. However, the lower fixing point of the safety belt still needs to be adjusted manually, and cannot be adjusted automatically according to the human body, so that the user experience is poor.
Chinese patent publication No. CN110395147A (publication No. 11/01/2019) discloses a seat adjusting device and method for a vehicle, and a vehicle seat. The vehicle seat adjusting device of the present invention includes: the human body recognition module is used for detecting the human body form information of the current passenger on the vehicle seat; the control module is used for calculating a corresponding human body contour model according to the human body shape information, comparing the human body contour model with a pre-stored child body shape model to judge whether a current passenger is a child, calculating a seat parameter suitable for the child to sit according to the human body contour model when the current passenger is judged to be the child, and generating a corresponding control signal based on the seat parameter; and an actuator for seat position adjustment and/or belt adjustment in response to the control signal. The invention judges the age of the passenger in advance by judging the human body contour model of the passenger to confirm whether to open the child seat, and if so, the seat is automatically adjusted to adapt to the riding requirements of the children of the corresponding age group. But the length and the extending position of the safety belt are adjusted, and the position of the fixing point of the safety belt is not adjusted, so that the safety belt can be more appropriately matched with different body types.
Disclosure of Invention
The invention aims to provide an adjustable safety belt and an automatic control method thereof, aiming at the defects of the technology, when the adjustable safety belt is worn, the requirements of drivers with different body types on comfortableness and safety performance are met by adjusting the height of an upper fixing point, the front and back direction of a lower fixing point and the height of a buckle.
In order to achieve the purpose, the adjustable safety belt comprises a mesh belt and a lock tongue sleeved on the mesh belt, wherein the upper end of the mesh belt penetrates through a guide ring to be connected with a retractor, the guide ring is connected to an upper fixed point height adjuster, the lower end of the mesh belt is connected with an end piece, the end piece is connected to an end piece front-rear adjuster, the lock tongue is matched with a belt buckle, and the belt buckle is connected to a belt buckle lifting rotating device.
Preferably, go up fixed point altitude controller and include vertical first bottom plate, be equipped with two vertical first racks on the first bottom plate, rotate on the automobile body install with two first rack complex first gear, first gear even has its pivoted first motor of drive, the welding has the boss on the bottom plate, the guide ring is connected on the boss, has finally realized the guide ring can reciprocate to corresponding standard position according to the driver's size.
Preferably, the front-rear end piece adjuster comprises a second motor installed on the vehicle body, a rotating shaft of the second motor is connected with a lead screw through a coupler, a sliding block is sleeved on the lead screw, the sliding block is connected with the end piece, and finally the end piece can move back and forth to a corresponding standard position according to the body shape of a driver, so that the sitting postures of drivers and passengers with different body shapes are met, and the good covering performance of the safety belt is guaranteed.
Preferably, the belt buckle lifting and rotating device comprises a vertical second bottom plate and a mounting plate fixed on the vehicle through a bolt, a third motor is mounted on the mounting plate, a second gear is sleeved on a rotating shaft of the third motor, two vertical second racks are arranged on the second bottom plate, the second gear is matched with the two second racks and is mounted, a horizontal rotating shaft is hinged to the upper portion of the second bottom plate, the front surface of the rotating shaft is mounted on a rotating shaft of a fourth motor, the fourth motor is fixed on the second bottom plate, a vertical belt buckle connecting plate is connected to the back surface of the rotating shaft, the belt buckle is mounted at the end of the belt buckle connecting plate, so that the belt buckle is lifted to a standard wearing position according to a human body type when being worn, the belt buckle is convenient to plug and is lowered to the standard wearing position according to the human body type after being plugged, guarantee travelling comfort and security, can also realize not wearing the time the belt buckle is fallen and is avoided advancing the foreign matter simultaneously.
Preferably, the safety belt device further comprises a weight sensor and a plurality of pressure sensors which are arranged on the seat, the seat backrest is provided with a plurality of pressure sensors, the weight sensor and the pressure sensors are both electrically connected with a safety belt controller, and the safety belt controller is electrically connected with the first motor, the second motor, the third motor and the fourth motor.
Preferably, the weight sensor and the pressure sensor input the acquired body weight, hip contact area, and back contact area signals into the seat belt controller, and search through a standard database to obtain body shape data of a passenger and a corresponding standard seat belt position, that is, an X-direction coordinate of the end piece, a Z-direction coordinate of the guide ring, and a Z-direction coordinate of the buckle, and the standard database is provided with the X-direction coordinate of the end piece, the Z-direction coordinate of the guide ring, and the Z-direction coordinate of the buckle, which are matched with the body weight, the hip contact area, and the back contact area.
Preferably, the Z-direction coordinates of the buckle include 2Z-direction coordinates of the wearing position and the seating position.
Preferably, position sensors are arranged on the guide ring, the end piece and the buckle, the position sensors are electrically connected with the safety belt controller, the position sensors input position coordinate signals into the safety belt controller, so that the controller calculates the X-direction moving distance of the end piece, the Z-direction moving distance of the guide ring and the Z-direction moving distance of the buckle, and the upper fixed point height adjuster, the end piece front-back adjuster and the buckle lifting and rotating device are controlled to operate, so that the guide ring, the end piece and the buckle move to standard positions corresponding to body types.
After a driver gets on the vehicle, the weight sensor and the pressure sensor input the acquired human body weight, hip contact area and back contact area signals into the safety belt controller, and the human body shape data of the driver and the corresponding standard safety belt position, namely the X-direction coordinate of the end piece, the Z-direction coordinate of the guide ring and the Z-direction coordinate of the buckle are obtained through searching of a standard database, wherein the Z-direction coordinate of the buckle comprises a wearing position and 2Z-direction coordinates of the sitting position, the Z-direction coordinate of the wearing position of the buckle is firstly used for calculation, and meanwhile, the position sensor inputs the position coordinate signals of the guide ring, the end piece and the buckle into the safety belt controller, so that the safety belt controller calculates the X-direction moving distance of the end piece, The Z-direction moving distance of the guide ring and the Z-direction moving distance of the belt buckle are calculated, so that the rotating turns and time of the first motor, the second motor, the third motor and the fourth motor are calculated, a current connection time signal is transmitted to the first motor, the second motor, the third motor and the fourth motor so as to drive the first motor, the second motor, the third motor and the fourth motor to rotate, finally the guide ring, the end plate and the belt buckle are moved to a standard position corresponding to the body type, and then a driver and passengers wear a safety belt and insert a lock tongue; after the bolt is inserted and connected, the belt buckle is provided with a safety belt unfastening reminding circuit to transmit an electric signal to the safety belt controller, the safety belt controller calculates the distance of the belt buckle sitting position which needs to move downwards relative to the wearing position according to the sitting position Z-direction coordinate of the belt buckle corresponding to the body type of a human body, so that the number of turns and time of the third motor in reverse rotation are obtained, a current on-time signal is transmitted to the third motor, the third motor is driven to rotate reversely, and the belt buckle is driven to descend to the sitting position.
Preferably, when the safety belt controller detects that no driver or passenger sits through signals of the weight sensor and the pressure sensor, the fourth motor is controlled to drive the belt buckle to rotate around the rotating shaft as a circle center, so that the belt buckle is laid down.
Compared with the prior art, the invention has the following advantages:
1. aiming at drivers and passengers with different body types, the guide ring, the end plate and the belt buckle can be adaptively moved up and down or back and forth, when the drivers and passengers sit on the seat, the guide ring is moved to a high designated height, the end plate is moved to a designated front and back position, the belt buckle is lifted to the designated position to be convenient for the passengers to wear, and after the lock tongue is inserted, the belt buckle is lowered to the designated position, so that the wrapping property of the safety belt is met, and the comfort and the convenience of the belt installation are improved;
2. under the condition of not wearing, the buckle is kept in a laid-down state, and foreign matters are prevented from falling into the buckle through the buckle opening.
Drawings
FIG. 1 is a schematic view of an adjustable seat belt of the present invention;
FIG. 2 is a schematic view of the upper fixed point height adjuster of FIG. 1;
FIG. 3 is a schematic view of the end plate fore-aft regulator of FIG. 1;
fig. 4 is a schematic structural view of the buckle lifting and rotating device of fig. 1.
The components in the figures are numbered as follows:
the device comprises a mesh belt 1, a lock tongue 2, a guide ring 3, a retractor 4, an upper fixed point height adjuster 5, an end piece 6, an end piece front-rear adjuster 7, a buckle 8, a buckle lifting and rotating device 9, a first bottom plate 10, a first rack 11, a first gear 12, a first motor 13, a boss 14, a second motor 15, a coupler 16, a lead screw 17, a sliding block 18, a second bottom plate 19, a bolt 20, an installation plate 21, a third motor 22, a second gear 23, a second rack 24, a rotating shaft 25, a fourth motor 26 and a buckle connecting plate 27.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
As shown in figure 1, the adjustable safety belt comprises a mesh belt 1 and a lock tongue 2 sleeved on the mesh belt 1, wherein the upper end of the mesh belt 1 penetrates through a guide ring 3 to be connected with a retractor 4, the guide ring 3 is connected with an upper fixed point height adjuster 5, the lower end of the mesh belt 1 is connected with an end piece 6, the end piece 6 is connected with an end piece front-back adjuster 7, the lock tongue 2 is matched with a belt buckle 8, and the belt buckle 8 is connected with a belt buckle lifting and rotating device 9.
In addition, as shown in fig. 2, the upper fixed point height adjuster 5 includes a vertical first bottom plate 10, two vertical first racks 11 are arranged on the first bottom plate 10, a first gear 12 matched with the two first racks 11 is rotatably mounted on the vehicle body, the first gear 12 is connected with a first motor 13 for driving the first gear to rotate, a boss 14 is welded on the bottom plate 10, and the guide ring 3 is connected to the boss 14.
As shown in fig. 3, the end piece front-rear adjuster 7 includes a second motor 15 mounted on the vehicle body, a rotating shaft of the second motor 15 is connected with a lead screw 17 through a coupling 16, a sliding block 18 is sleeved on the lead screw 17, the sliding block 18 is connected with the end piece 6, when the second motor 15 operates, the coupling 16 is driven to rotate, so that the lead screw 17 is driven to rotate, and the lead screw 17 rotates to drive the sliding block 18 to move back and forth.
As shown in fig. 4, the buckle lifting and rotating device 9 includes a vertical second bottom plate 19 and a mounting plate 21 fixed on the vehicle by a bolt 20, the mounting plate 21 is provided with a third motor 22, a rotating shaft of the third motor 22 is sleeved with a second gear 23, the second bottom plate 19 is provided with two vertical second racks 24, the second gear 23 is installed in cooperation with the two second racks 24, the upper portion of the second bottom plate 19 is hinged with a horizontal rotating shaft 25, the front surface of the rotating shaft 25 is installed on a rotating shaft of a fourth motor 26, the fourth motor 26 is fixed on the second bottom plate 19, the back surface of the rotating shaft 25 is connected with a vertical buckle connecting plate 27, and the buckle 8 is installed at the end portion of the buckle connecting plate 27.
In this embodiment, the seat further comprises a weight sensor and a plurality of pressure sensors arranged on the seat, the seat back is provided with a plurality of pressure sensors, the weight sensor and the pressure sensors are all electrically connected with a seat belt controller, and the seat belt controller is electrically connected with the first motor 13, the second motor 15, the third motor 22 and the fourth motor 26. The body weight sensor and the pressure sensor input the acquired body weight, hip contact area and back contact area signals into the safety belt controller, and the body shape data of a passenger and the corresponding standard safety belt position, namely the X-direction coordinate of the end piece 6, the Z-direction coordinate of the guide ring 3 and the Z-direction coordinate of the buckle 8 are obtained through searching of a standard database, the X-direction coordinate of the end piece 6, the Z-direction coordinate of the guide ring 3 and the Z-direction coordinate of the buckle 8 which are matched with the body weight, the hip contact area and the back contact area are arranged in the standard database, wherein the Z-direction coordinate of the buckle 8 comprises 2Z-direction coordinates of the wearing position and the sitting position.
Meanwhile, position sensors are arranged on the guide ring 3, the end piece 6 and the buckle 8 and are electrically connected with a safety belt controller, and position coordinate signals are input into the safety belt controller by the position sensors, so that the controller calculates the X-direction moving distance of the end piece 6, the Z-direction moving distance of the guide ring 3 and the Z-direction moving distance of the buckle 8, and the fixed point height regulator 5, the end piece front-back regulator 7 and the buckle lifting and rotating device 9 are controlled to operate, so that the guide ring 3, the end piece 6 and the buckle 8 move to standard positions corresponding to body types.
When the automobile seat belt is used in the embodiment, the automatic control method is as follows, when a driver does not get on the automobile, the guide ring 3, the end plate 6 and the buckle 8 are all at the initial positions, when the driver gets on the automobile, the weight sensor and the pressure sensor input the acquired human body weight, the acquired hip contact area and the acquired back contact area signals into the seat belt controller, the human body shape data of the driver and the corresponding standard seat belt position, namely the X-direction coordinate of the end plate 6, the Z-direction coordinate of the guide ring 3 and the Z-direction coordinate of the buckle 8 are obtained through searching of the standard database, the Z-direction coordinate of the buckle 8 comprises the wearing position and the 2Z-direction coordinates of the riding position, at the moment, the Z-direction coordinate of the wearing position of the buckle 8 is firstly used for calculation, and simultaneously, the position sensors input the position coordinate signals of the guide ring 3, the end plate 6 and the buckle 8 into the seat belt controller, so that the seat belt controller calculates the X, The Z-direction moving distance of the guide ring 3 and the Z-direction moving distance of the buckle 8 are calculated, so that the rotating turns and time of the first motor 13, the second motor 15, the third motor 22 and the fourth motor 26 are calculated, current connection time signals are transmitted to the first motor 13, the second motor 15, the third motor 22 and the fourth motor 26 to drive the motors to rotate, finally the guide ring 3, the end plate 6 and the buckle 8 are moved to standard positions corresponding to body types, and then a driver wears a safety belt and inserts the bolt 2; after the tongue 2 connects and inserts the completion, the safety belt on the buckle 8 is not tied and is reminded the circuit and transmit the signal of telecommunication to the safety belt controller in, the safety belt controller is according to the corresponding take position Z of buckle 8 of human body size to the coordinate, calculate the distance that the position needs the downstream for wearing the position of buckle 8 to reach the number of turns and the time of third motor 22 reversal, give third motor 22 with electric current on-time signal transmission, thereby drive third motor 22 reversal, drive buckle 8 and descend to take the position.
When the seat belt controller detects that the occupant is not seated by the signals of the weight sensor and the pressure sensor, the fourth motor 26 is controlled to rotate the buckle 8 around the rotation shaft 25, so that the buckle 8 is laid down.
According to the adjustable safety belt and the automatic control method thereof, aiming at drivers and passengers with different body types, the guide ring 3, the end plate 6 and the belt buckle 8 can be adaptively moved up and down or back and forth, when the drivers and passengers sit on the seat, the guide ring 3 is moved to a high designated height, the end plate 6 is moved to a designated front position and a designated back position, the belt buckle 8 is lifted to the designated position to be conveniently worn by the passengers, and when the lock tongue 2 is inserted, the belt buckle 8 is lowered to the designated position, so that the covering property of the safety belt is met, and the comfort and the convenience of the belt installation are improved; meanwhile, under the condition of not wearing, the buckle 8 is kept in a falling state, and foreign matters are prevented from falling into the buckle through the opening of the buckle 8.
Claims (10)
1. The utility model provides a safety belt with adjustable, includes meshbelt (1) and cover puts spring bolt (2) on meshbelt (1), its characterized in that: the upper end of meshbelt (1) is passed guide ring (3) and is had coiler (4), guide ring (3) are connected on last fixed point altitude controller (5), the lower extreme of meshbelt (1) even has end piece (6), end piece (6) are connected on end piece front and back regulator (7), spring bolt (2) and belt buckle (8) cooperation, belt buckle (8) are connected on belt buckle lift rotary device (9).
2. The adjustable seat belt of claim 1, wherein: go up fixed point altitude controller (5) and include vertical first bottom plate (10), be equipped with two vertical first racks (11) on first bottom plate (10), rotate on the automobile body and install and two first rack (11) complex first gear (12), first gear (12) even have its pivoted first motor (13) of drive, the welding has boss (14) on bottom plate (10), guide ring (3) are connected on boss (14).
3. The adjustable seat belt of claim 2, wherein: end piece front and back regulator (7) is including installing second motor (15) on the automobile body, the pivot of second motor (15) passes through shaft coupling (16) and even has lead screw (17), the cover has slider (18) on lead screw (17), slider (18) even have end piece (6).
4. The adjustable seat belt of claim 3, wherein: the lifting and rotating device (9) with a buckle comprises a vertical second bottom plate (19) and a mounting plate (21) fixed on a vehicle through a bolt (20), a third motor (22) is arranged on the mounting plate (21), a second gear (23) is sleeved on a rotating shaft of the third motor (22), two vertical second racks (24) are arranged on the second bottom plate (19), the second gear (23) is matched with the two second racks (24), the upper part of the second bottom plate (19) is hinged with a horizontal rotating shaft (25), the front surface of the rotating shaft (25) is arranged on the rotating shaft of a fourth motor (26), the fourth motor (26) is fixed on the second bottom plate (19), the back of the rotating shaft (25) is connected with a vertical buckle connecting plate (27), the buckle (8) is mounted on an end of the buckle connection plate (27).
5. The adjustable seat belt of claim 4, wherein: still including arranging weight sensor and a plurality of pressure sensor on the seat, be equipped with a plurality of pressure sensor on the seat back, weight sensor and pressure sensor all link with the safety belt controller electricity, the safety belt controller with first motor (13), second motor (15), third motor (22) and fourth motor (26) electricity link.
6. The adjustable seat belt of claim 5, wherein: the weight sensor and the pressure sensor input the acquired human body weight, hip contact area and back contact area signals into the safety belt controller, and human body shape data of a passenger and a corresponding standard safety belt position, namely X-direction coordinates of the end piece (6), Z-direction coordinates of the guide ring (3) and Z-direction coordinates of the belt buckle (8) are obtained through searching of a standard database, wherein the X-direction coordinates of the end piece (6), the Z-direction coordinates of the guide ring (3) and the Z-direction coordinates of the belt buckle (8) are matched with the human body weight, the hip contact area and the back contact area, and the X-direction coordinates of the end piece (6), the Z-direction coordinates of the guide ring (3) and the Z-direction coordinates of the belt buckle (8) are arranged.
7. The adjustable seat belt of claim 6, wherein: the Z-direction coordinates of the buckle (8) comprise 2Z-direction coordinates of a wearing position and a sitting position.
8. The adjustable seat belt of claim 7, wherein: all arranged position sensor on guide ring (3), end piece (6) and buckle (8), position sensor with the safety belt controller electricity is connected, position sensor with position coordinate signal input to in the safety belt controller, thereby the controller calculates the X of end piece (6) is to the displacement distance, the Z of guide ring (3) is to the displacement distance and the Z of buckle (8) is to the displacement distance, thereby control go up fixed point height adjuster (5), end piece front and back regulator (7) and buckle lift rotary device (9) operation, make guide ring (3), end piece (6) and buckle (8) move to the standard position that the size corresponds.
9. A method of automatically controlling an adjustable seat belt according to claim 8, wherein: after a driver gets on the vehicle, the weight sensor and the pressure sensor input the acquired human body weight, hip contact area and back contact area signals into the safety belt controller, and the human body shape data of the driver and the corresponding standard safety belt position, namely the X-direction coordinate of the end piece (6), the Z-direction coordinate of the guide ring (3) and the Z-direction coordinate of the buckle (8) are obtained through searching of a standard database, the Z-direction coordinate of the buckle (8) comprises a wearing position and a sitting position which are 2Z-direction coordinates, at the moment, the Z-direction coordinate of the wearing position of the buckle (8) is firstly used for calculation, and meanwhile, the position sensor inputs the position coordinate signals of the guide ring (3), the end piece (6) and the buckle (8) into the safety belt controller, so that the safety belt controller calculates the X-direction moving distance, hip contact area and back contact area signals of the end piece (6), The Z-direction moving distance of the guide ring (3) and the Z-direction moving distance of the buckle (8) are calculated, so that the rotating turns and time of the first motor (13), the second motor (15), the third motor (22) and the fourth motor (26) are calculated, current connection time signals are transmitted to the first motor (13), the second motor (15), the third motor (22) and the fourth motor (26) to drive the motors to rotate, finally the guide ring (3), the end plate (6) and the buckle (8) are moved to standard positions corresponding to body types, and then a driver and passengers wear a safety belt and insert the lock tongue (2); after the insertion of the lock tongue (2) is finished, a safety belt unbuckled reminding circuit on the belt buckle (8) transmits an electric signal to the safety belt controller, the safety belt controller calculates the distance of the riding position of the belt buckle (8) which needs to move downwards relative to the wearing position according to the Z-direction coordinate of the riding position of the belt buckle (8) corresponding to the body size of a human body, so that the number of turns and the time of the reverse rotation of the third motor (22) are obtained, a current on-time signal is transmitted to the third motor (22), and the third motor (22) is driven to rotate reversely to drive the belt buckle (8) to descend to the riding position.
10. The automatic control method of an adjustable seat belt according to claim 9, characterized in that: when the safety belt controller detects that no driver or passenger sits through signals of the weight sensor and the pressure sensor, the fourth motor (26) is controlled to drive the belt buckle (8) to rotate around the rotating shaft (25) as a circle center, and the belt buckle (8) is laid down.
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| CN202110430003.9A CN113043991A (en) | 2021-04-21 | 2021-04-21 | Adjustable safety belt and automatic control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110430003.9A CN113043991A (en) | 2021-04-21 | 2021-04-21 | Adjustable safety belt and automatic control method thereof |
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| CN113043991A true CN113043991A (en) | 2021-06-29 |
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| CN202110430003.9A Pending CN113043991A (en) | 2021-04-21 | 2021-04-21 | Adjustable safety belt and automatic control method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115071632A (en) * | 2022-06-22 | 2022-09-20 | 中国第一汽车股份有限公司 | Safety belt guide plate position adjusting method and device and vehicle |
| CN115123139A (en) * | 2022-06-07 | 2022-09-30 | 嘉兴赛捷弹簧制造有限公司 | High-reliability flexible automobile safety belt zipper and production method thereof |
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| CN203592965U (en) * | 2012-11-14 | 2014-05-14 | 福特环球技术公司 | Extension type safety belt fastener assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115123139A (en) * | 2022-06-07 | 2022-09-30 | 嘉兴赛捷弹簧制造有限公司 | High-reliability flexible automobile safety belt zipper and production method thereof |
| CN115071632A (en) * | 2022-06-22 | 2022-09-20 | 中国第一汽车股份有限公司 | Safety belt guide plate position adjusting method and device and vehicle |
| CN115071632B (en) * | 2022-06-22 | 2024-04-16 | 中国第一汽车股份有限公司 | Safety belt guide plate position adjusting method and device and vehicle |
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Application publication date: 20210629 |