CN110870604A

CN110870604A - Safety belt lock catch with electromagnetic safety function

Info

Publication number: CN110870604A
Application number: CN202010057608.3A
Authority: CN
Inventors: 金立亚; 吕金龙
Original assignee: Jiangsu Wisdom Auto Safety System Co Ltd
Current assignee: Jiangsu Wisdom Auto Safety System Co Ltd
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-03-10
Anticipated expiration: 2040-01-19
Also published as: CN110870604B

Abstract

The invention belongs to the technical field of safety belts, and particularly relates to a safety belt lock catch with an electromagnetic safety function, wherein an intelligent chip is arranged in the safety belt lock catch, the intelligent chip comprises an acceleration sensor and a processor, the acceleration sensor is used for sensing the acceleration of the safety belt lock catch, the processor judges the motion state of the safety belt lock catch through the acceleration, and controls an electromagnetic safety device of the safety belt lock catch according to the comparison of the motion state and a set threshold value; wherein the processor has a programming interface. In the invention, the intelligent chip objectively acquires the basis for providing the safety function for the safety belt lock through the acquisition of the motion state of the safety belt lock, the uncertainty of artificial judgment and operation is eliminated, and the electromagnetic safety function is started when the acceleration sensor acquires the acceleration data of the safety belt lock, which is a mandatory measure that a user cannot change, so that different people can be fully ensured to obtain the same safety guarantee when using entertainment equipment.

Description

Safety belt lock catch with electromagnetic safety function

Technical Field

The invention belongs to the technical field of safety belts, and particularly relates to a safety belt lock catch with an electromagnetic safety function.

Background

The safety belt is a protection device for restraining a user in the moving process of the mobile equipment, and is the most effective safety device at present.

In the current high-altitude operation conditions using high-altitude entertainment equipment and the like, the following risks exist, and the following problems are difficult to ensure in the use process of the safety belt: during use, it is difficult to ensure that the user cannot release the protective action of the harness. The above problems make the controllability of the safety belt a technical problem to be solved urgently by those skilled in the art.

In view of the above circumstances, the inventor of the present invention has actively studied and innovated based on the practical experience and professional knowledge that are abundant for many years in engineering application of such products and in cooperation with the application of the theory, in order to create a safety belt buckle with electromagnetic safety function, so as to make it more practical.

Disclosure of Invention

The invention aims to provide a safety belt lock catch with an electromagnetic safety function, which can further improve the effectiveness and reliability of a safety belt by effectively monitoring and controlling the safety belt in the using process.

In order to achieve the purpose, the invention adopts the technical scheme that:

an intelligent chip is arranged in a safety belt lock catch with an electromagnetic safety function, the intelligent chip at least comprises an acceleration sensor and a processor, the acceleration sensor is used for sensing the acceleration of the safety belt lock catch, the processor judges the motion state of the safety belt lock catch according to the acceleration, and controls an electromagnetic safety device of the safety belt lock catch according to the comparison between the motion state and a set threshold value;

wherein the processor has a programming interface.

Further, the electromagnetic fuse device includes:

a rotating block elastically rotatably mounted around a specific point on a housing of the seatbelt buckle;

the electromagnet is powered on and powered off under the control of the processor, one end of the rotating block is adsorbed after being powered on to obtain magnetism, and the other end of the rotating block penetrates through a hole position on the safety belt locking piece locked in place after rotating;

a laser ranging unit which emits a laser beam and receives the laser beam reflected by the reflecting surface;

a linear track providing motion constraint for the laser ranging unit;

the rotating block is connected with the laser ranging unit through a wire harness, in the rotating process of the rotating block, the wire harness provides power for the laser ranging unit to move along the linear track, the laser ranging unit is connected with the other end of a first spring with one fixed end, and the first spring is used for providing force for balancing the pulling force of the wire harness.

Further, the electromagnet is installed through an elastic support, and the elastic support comprises an installation plate fixedly connected with the shell and a second spring connected with the installation plate and the electromagnet.

Furthermore, each circle of the second spring is attached to the other circle of the second spring.

Furthermore, the end part of the electromagnet is a protrusion or a groove with a spherical structure or a conical structure, and the part of the rotating block, which is attached to the electromagnet, is provided with a groove or a protrusion with the same profile as the spherical structure or the conical structure.

Further, a roller structure is arranged in the middle of the wire harness and used for changing the direction of the wire harness.

Furthermore, the guide direction of the linear track and the rotation plane of the rotation block form an included angle.

Further, the use steps of the safety belt lock catch with the electromagnetic safety function are as follows:

after the equipment is powered on, enabling the laser ranging unit to continuously emit laser beams;

after the safety belt locking piece is inserted in place, reflecting the laser beam and acquiring first information that the safety belt is locked in place;

the electromagnet is controlled through the first information, the rotating block is driven to rotate through magnetism and penetrates through a hole position on the safety belt locking piece, in the process, the laser ranging unit moves along the linear track, the rotating block reflects the laser beam after the movement, and second information of the rotating block rotating to the position is collected;

and monitoring the safety belt lock catch through the first information and the second information.

Through the technical scheme, the invention has the beneficial effects that:

in the invention, the basis for providing safety function for the safety belt lock is objectively acquired through the acquisition of the motion state of the safety belt lock, the uncertainty of artificial judgment and operation is eliminated, when the acceleration sensor acquires the acceleration data of the safety belt lock, the processor judges that dangerous high-altitude entertainment activity is started, the motion state information which can be directly acquired is the acceleration, and the motion state information which can be indirectly calculated can comprise the speed, the displacement and the like, wherein each motion state can be used as the basis for controlling the electromagnetic safety function, the control reference is a threshold value preset by the processor, when the motion state reaches the standard set by the threshold value, the electromagnetic safety function is started, the function is a mandatory measure which cannot be changed by a user, and the same safety guarantee can be fully ensured when different people use the entertainment equipment, until the corresponding value of the motion state is lower than the set threshold value, the controller judges that the high-altitude entertainment activity is finished, and at the moment, the electromagnetic insurance function is released, so that the safety belt is controlled by a user. By adopting the mode, the effective buckling of the safety belt can be effectively ensured, and the situation that a user can not release the protection function of the safety belt in the entertainment activity can be ensured. The setting of the threshold value can be considered to be set according to a programming interface of the processor.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a partial plan view of a seat belt buckle with an electromagnetic safing function;

FIG. 2 is a schematic structural view of a housing of the seat belt buckle;

FIG. 3 is a schematic view of the installation of the seat belt locking tab within the housing;

FIG. 4 is a schematic view of the seat belt locking tab;

FIGS. 5 and 6 are schematic views illustrating the operation of the rotary block when the rotary block is rotated to different positions;

FIG. 7 is a schematic structural view of a turning block;

FIG. 8 is a schematic view of the position of the laser ranging unit relative to the seat belt locking tab;

reference numerals: the safety belt positioning device comprises a rotating block 1, an electromagnet 2, a laser ranging unit 3, a first spring 31, a linear track 4, a shell 5, a mounting plane 51, a wire harness 6, an elastic support 7, a mounting plate 71, a second spring 72, a groove 73, a roller structure 8, a safety belt locking piece 9 and a hole position 91.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

This embodiment is written in a progressive manner.

An intelligent chip is arranged in the safety belt lock catch with the electromagnetic safety function, the intelligent chip at least comprises an acceleration sensor and a processor, the acceleration sensor is used for sensing the acceleration of the safety belt lock catch, the processor judges the motion state of the safety belt lock catch through the acceleration and controls the electromagnetic safety device of the safety belt lock catch according to the comparison between the motion state and a set threshold value; wherein the processor has a programming interface.

In the above embodiment of the present invention, the basis for providing the safety function for the seatbelt buckle is objectively obtained by collecting the movement state of the seatbelt buckle, and the uncertainty of human judgment and operation is eliminated, when the acceleration sensor obtains the acceleration data of the seatbelt buckle, the processor determines that the high-altitude entertainment activity with danger has started, the movement state information that can be directly obtained is the acceleration, and the movement state information that can be indirectly calculated can include the speed and the displacement, wherein each movement state can be used as the basis for controlling the electromagnetic safety function, the control reference is the threshold value preset by the processor, when the movement state reaches the standard set by the threshold value, the electromagnetic safety function is activated, which is the mandatory measure that the user cannot change, and can fully ensure that different people can obtain the same safety guarantee when using the entertainment equipment, until the corresponding value of the motion state is lower than the set threshold value, the controller judges that the high-altitude entertainment activity is finished, and at the moment, the electromagnetic insurance function is released, so that the safety belt is controlled by a user. By adopting the mode, the effective buckling of the safety belt can be effectively ensured, and the situation that a user can not release the protection function of the safety belt in the entertainment activity can be ensured. The setting of the threshold value can be considered to be set according to a programming interface of the processor.

As a preferred embodiment of the present invention, as shown in fig. 1 to 4, an electromagnetic fuse device includes: a rotating block 1 elastically rotatably installed around a specific point on a housing 5 of the seatbelt buckle; the electromagnet 2 is powered on and off under the control of the processor, one end of the rotating block 1 is adsorbed after being powered on to obtain magnetism, and the other end of the rotating block 1 penetrates through a hole position 91 on the safety belt locking sheet 9 locked in place after rotating; a laser ranging unit 3 that emits a laser beam and receives the laser beam reflected by the reflecting surface; the linear track 4 provides motion constraint for the laser ranging unit 3; wherein, turning block 1 is connected through pencil 6 with laser rangefinder unit 3, and at turning block 1 pivoted in-process, provides the power that moves along linear rail 4 for laser rangefinder unit 3 through pencil 6, and laser rangefinder unit 3 is connected with the first spring 31 other end that one end is fixed, and first spring 31 is used for providing the power of carrying out the equilibrium to the pulling force of pencil 6.

In the mounting process of the above structure, as shown in fig. 1 to 4, a mounting plane 51 is required to be provided on the housing 5, wherein the belt locking piece 9, during locking of the locking tongue, moves towards the mounting plane 51, when the locking tongue is locked in place, the belt locking piece 9 reaches a position where it reflects the laser beam, as shown in figure 3, the information whether the locking tongue has been locked in place can be made clear by the seat belt locking piece 9 through the change of the ranging value, before the equipment is not started and the electromagnet 2 is not electrified, the equipment is determined to be locked in place, so that after the equipment is started, the electromagnet 2 is electrified to drive the rotating block 1 to rotate, one end of the rotating block is inserted into the hole 91 on the safety belt locking piece 9, further electromagnetic locking is realized, and at the moment, even if a user tries to open the safety belt, the safety belt cannot be operated, and the safety in the process of high-altitude operation is ensured.

In this embodiment, still have and move the function that targets in place and detect safety belt locking piece 9, as shown in fig. 5 and 6, in the pivoted in-process of turning block 1, can drive laser rangefinder unit 3 and move, can realize through its removal that after turning block 1 rotated to target in place, its position that originally carries out laser emission towards safety belt locking piece 9 changes into and carries out laser emission towards the tip of turning block 1 to judge whether it has played effectual insurance effect to safety belt locking piece 9 through the acquisition of this information.

After the safety belt uses the completion, the change that the intelligent chip sensed the acceleration stops to supply power to electromagnet 2, it resets under the effect of pivot point elastic force, wherein, this elastic force accessible torsional spring is a class of structure realization, certainly at this reset in-process, first spring 31 also can play the effect of assistance, reset the back at turning block 1, laser ranging unit 3 gets back to again and carries out the position of laser emission to safety belt locking piece 9, thereby obtain new range finding information, whether this information judgement safety belt locking piece 9 of accessible is effectively relieved.

All above all kinds of condition can report to the police through the components and parts of reputation to play better warning effect.

As a preference for the above embodiment, with continued reference to fig. 5 and 6, the electromagnet 2 is mounted by means of an elastic support 7 comprising a mounting plate 71 fixedly connected to the housing 5, and a second spring 72 connecting the mounting plate 71 and the electromagnet 2. Because the electromagnet 2 can be instantly adsorbed on the rotating block 1, a certain impact force exists, and meanwhile, because the rotating block 1 rotates to be close to the electromagnet 2, the angle of the rotating block changes, the situation that the force application is uneven exists in the process of colliding with the electromagnet 2, in order to avoid noise and damage to the electromagnet 2 caused by the situation, in the preferred scheme, the impact on the electromagnet 2 is buffered through the second spring 72, and the shake generated by the buffering can be controlled by controlling the elastic modulus of the second spring 72.

In order to reduce the problem of accuracy of measured data caused by the elastic shaking of the second spring 72, the rings of the second spring 72 are attached to each other, so that the rotation tendency caused by the impact force of the rotating block 1 on the electromagnet 2 is adapted through the relative rotation between the rings, the force application tendency of the rotating block 1 relative to the electromagnet 2 can be uniform through the mode, and the laser ranging deviation caused by the shaking of the second spring 72 can be avoided.

The end part of the electromagnet 2 is a protrusion or a groove with a spherical structure or a conical structure, and the part of the rotating block 1, which is attached to the electromagnet 2, is provided with a groove or a protrusion with the same profile as the spherical structure or the conical structure. As shown in fig. 7, the form of the groove 73 provided with the conical structure at the end of the turning block 1 is shown, but the protrusion is also applicable in the present preferred embodiment, and in accordance with this, the protrusion with the conical structure having the same contour needs to be provided on the electromagnet 2, so that in the process of the movement of the turning block 1 toward the electromagnet 2, the better fit can be ensured by the guiding effect of the conical structure.

Continuing to refer to fig. 5 and 6, for better to whole safety belt hasp overall arrangement, be provided with running roller structure 8 in the middle part position of pencil 6, running roller structure 8 is used for changing pencil 6's direction to under the unchangeable circumstances of assurance pulling force, can realize going on along linear rail 4 to laser ranging unit 3's pulling force, make laser ranging unit 3's removal more unblocked, avoid the emergence of the dead phenomenon of card.

The guiding direction of the linear track 4 is arranged at an angle to the rotation plane of the turning block 1, as shown in fig. 8, which illustrates the above-mentioned angled form, namely the included angle between the guide plane of the linear track 4 and the horizontal direction, because the space inside the safety belt lock catch is narrower and narrower in the actual use process, when the guide direction is horizontally arranged, the hole site 91 shown in the drawing cannot be widened due to a small moving amount of the laser ranging unit 3, since, after the widening, the belt locking piece 9 is locked in place, the laser beam passes through the hole 91 and the distance to the belt locking piece 9 cannot be measured, however, since the width of the hole 91 is too small, it is liable to cause collision with the rotary block 1, and therefore, in the present preferred embodiment, by arranging the guide direction of the linear guide 4 obliquely, even after the width of the hole 91 is widened, the laser beam is reflected by the portion of the seat belt locking piece 9 at the bottom of the hole 91.

The use steps of the safety belt lock catch with the electromagnetic safety function are as follows:

s1: after the equipment is powered on, the laser ranging unit 3 is enabled to continuously emit laser beams;

s2: after the safety belt locking piece 9 is inserted in place, reflecting the laser beam and acquiring first information that the safety belt is locked in place;

s3: the electromagnet 2 is controlled through the first information, the rotating block 1 is driven to rotate through magnetism and penetrates through a hole position 91 on the safety belt locking piece 9, in the process, the laser ranging unit 3 is shifted along the linear track 4, the rotating block 1 reflects a laser beam after shifting, and second information that the rotating block 1 rotates in place is collected;

It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A safety belt lock catch with an electromagnetic safety function is characterized in that an intelligent chip is arranged inside the safety belt lock catch, the intelligent chip at least comprises an acceleration sensor and a processor, the acceleration sensor is used for sensing the acceleration of the safety belt lock catch, the processor judges the motion state of the safety belt lock catch through the acceleration, and controls an electromagnetic safety device of the safety belt lock catch according to the comparison between the motion state and a set threshold value;

wherein the processor has a programming interface.

2. The seatbelt buckle with electromagnetic safing function according to claim 1, wherein the electromagnetic safing means comprises:

a rotating block (1) which is elastically and rotatably mounted around a specific point on a housing (5) of the safety belt lock catch;

the electromagnet (2) is powered on and off under the control of the processor, one end of the rotating block (1) is adsorbed after being powered on to obtain magnetism, and the other end of the rotating block (1) penetrates through a hole position (91) on the safety belt locking sheet (9) locked in place after rotating;

a laser ranging unit (3) that emits a laser beam and receives the laser beam reflected by the reflecting surface;

a linear track (4) providing motion constraint to the laser ranging unit (3);

the rotating block (1) is connected with the laser ranging unit (3) through a wire harness (6), in the rotating process of the rotating block (1), the wire harness (6) provides power for the laser ranging unit (3) to move along the linear track (4), the laser ranging unit (3) is connected with the other end of a first spring (31) with one end fixed, and the first spring (31) is used for providing force for balancing the pulling force of the wire harness (6).

3. The safety belt lock with electromagnetic safety function according to claim 2, characterized in that the electromagnet (2) is mounted by means of an elastic support (7) comprising a mounting plate (71) fixedly connected with the housing (5) and a second spring (72) connecting the mounting plate (71) and the electromagnet (2).

4. The seatbelt buckle with electromagnetic safety function according to claim 3, characterized in that the coils of the second spring (72) are arranged in abutment.

5. The safety belt lock catch with the electromagnetic safety function according to any one of claims 2 to 4, wherein the end of the electromagnet (2) is a protrusion or a groove with a spherical structure or a conical structure, and a groove or a protrusion with an equal profile to the spherical structure or the conical structure is arranged on the part of the rotating block (1) attached to the electromagnet (2).

6. The seatbelt buckle with an electromagnetic safing function according to any one of claims 2 to 4, wherein a roller structure (8) is provided at a middle position of the wiring harness (6), the roller structure (8) being configured to change a direction of the wiring harness (6).

7. The safety-belt lock with electromagnetic safety function as claimed in claim 2, characterized in that the guide direction of the linear track (4) is arranged at an angle to the plane of rotation of the rotary block (1).

8. The seatbelt buckle with electromagnetic safing function according to claim 2, characterized in that it is used in the steps of:

after the equipment is powered on, enabling the laser ranging unit (3) to continuously emit laser beams;

after the safety belt locking piece (9) is inserted in place, reflecting the laser beam and acquiring first information that the safety belt is locked in place;

the electromagnet (2) is controlled through the first information, the rotating block (1) is driven to rotate through magnetism and penetrates through a hole position (91) on the safety belt locking piece (9), in the process, the laser ranging unit (3) is shifted along the linear track (4), the rotating block (1) reflects the laser beam after shifting, and second information that the rotating block (1) rotates in place is collected;