WO2008140269A1

WO2008140269A1 - Protection system for digital multimedia movement

Info

Publication number: WO2008140269A1
Application number: PCT/KR2008/002708
Authority: WO
Inventors: Nam Jung Her
Original assignee: Samjung. Co., Ltd
Priority date: 2007-05-15
Filing date: 2008-05-15
Publication date: 2008-11-20
Also published as: KR100832523B1

Abstract

Provided is a shock-absorbing device of a black box that stores video data in an accident. According to the present invention, it is possible to absorb an external shock in any directions with only a small number of springs by making an axial of springs in parallel to an attachment plane of the black box or a support member. In addition, it is possible to doubly absorb a shock by using elasticity and tension of the springs by crossing the contact points formed to fixing the springs to the black box and the support member. Furthermore, it is possible to easily increase or decrease elasticity of the springs by stretching or shortening one spring, and since an outer side of the springs contacts the attachment plane of the black box or the support member, it is possible to easily install the springs without considering irregularity of the attachment plane.

Description

PROTECTION SYSTEM FOR DIGITAL MULTIMEDIA

MOVEMENT

Technical Field

[1] The present invention relates to a shock- absorbing device to protect a black box which is installed within various kinds of transport means in order to store video data of accident situations, and more particularly, to a device which is capable of preventing a black box from being broken by dispersing or absorbing an external shock applied to the black box. Background Art

[2] A black box refers to means for acquiring or gathering and storing running-related information, such as video or voice information relating to accident situations or special situations which may take place in the course of running, from a camera, a sensor or the like.

[3] Such a black box may be recovered after an accident takes place for the purpose of presenting the cause of the accident or a clear ground for locus of responsibility for the accident by analyzing video data stored in the black box.

[4] In order to accomplish the purpose, the video data stored in the black box is necessarily conserved in safety. To this end, a storage to store the video data included in the black box has to be unimpaired.

[5] Fig. 1 is a view showing an example of installation for shock-absorption of a conventional black box. In a case of a vehicle, a conventional vehicle black box 10 gathers video data with the black box 10 fixed to a portion of the vehicle, as shown in Fig. l(a). The black box 10 fixed by joining means 20 as shown in the figure has no shock- absorbing device against external shock, and thus it receives a shock just as the vehicle is shocked, thereby serious damage is caused to the black box 10. This may result in damage or loss of the video data stored in the black box 10, thereby making it impossible to do duty as a black box.

[6] In order to alleviate such a problem, there has been proposed a device mounted in a portion of a vehicle for absorbing an external shock using a plurality of springs 30 attached to a portion of the black box 10, as shown in Fig. l(b). This proposed device is capable of conserving video data in safety by absorbing or dispersing an external shock using elasticity of the plurality of springs 30 arranged in one side of the black box 10, supporting the black box 10, with axes of the springs 10 perpendicular to the one side of the black box 10.

[7] However, the above device has a problem of low effectiveness in that horizontality of the springs 30 is varied depending on products, flatness of a support member or a portion of the vehicle to which the black box 10 is fixed is not constant, and a side of the black box 10 is leaned, thereby making it difficult to evenly distribute shock absorption.

[8] In addition, due to difficulty in such horizontal installation, complexity of an installation process is unavoidable, which results in increase of costs.

[9] In addition, when the springs 30 are arranged in the above manner, in circumstances where vibration in a vertical direction is large or a degree of vibration is varied such as when a vehicle runs on a highly-curved road, a lasting shock due to vibration of the springs 30 which is produced with movement of the vehicle may do more fatal damage to the black box 10 than a damage caused by an external shock.

[10] In addition, since the modulus of elasticity of the springs 30 is not constant and thus a shock is concentrated on only one side of the black box 10, it is difficult to effectively absorb or disperse the shock and it is not easy to adjust the modulus of elasticity of the springs 30, which may results in considerable difficulty in installing the springs.

[11] Furthermore, the length of the springs 30 is unavoidably increased in order to increase a degree of shock-absorption, thereby requiring lager installation space, which results in difficulty of efficient arrangement of the springs. Disclosure of Invention

Technical Problem

[12] It is therefore an object of the present invention to provide a protection system for digital multimedia movement, which is capable of safely conserving information such as video data stored in a black box in an accident, by properly arranging shock- absorbing springs in the black box. Technical Solution

[13] To achieve the above object, according to an aspect of the present invention, there is provided a protection system for digital multimedia movement, for absorbing a shock in a cubical direction, which is applied to a black box storing video data in an accident, by connecting the black box to a support member provided to mount the black box to a portion of transport means, including: a spring unit whose axial direction is parallel to the black box and the support member, the spring unit being arranged between the black box and the support member and including one or more springs to absorb a shock in a plurality of directions which is applied to the black box; a first contact point portion including at least one contact point to join the black box to the springs; and a second contact point portion including at least one contact point to join the support member to the springs. [14] According to another aspect of the present invention, there is provided a protection system for digital multimedia movement, for absorbing a shock in a cubical direction, which is applied to a black box storing video data in an accident, by connecting a hard disk of the black box to a support member provided to mount the black box to a body of the black box or a portion of transport means, including: a spring unit whose axial direction is parallel to the black box and the support member, the spring unit being arranged between the black box and the support member and including one or more springs to absorb a shock in a plurality of directions which is applied to the black box; a first contact point portion including at least one contact point to join the black box to the springs; and a second contact point portion including at least one contact point to join the support member to the springs.

[15] Preferably, the springs are wire springs having high tension and centrifugal force.

[16] Preferably, the support member is a portion of the transport means or the black box may be directly mounted on the portion of the transport means. In addition, a hard disk in which the video data are substantially stored may be protected. If the hard disk is contained in the black box, a body of the black box may be the support member. If the hard disk is installed in the outside of the black box, a portion of the transport means may be the support member.

[17] Preferably, some of the contact points included in the first contact portion and the second contact point portion are constituted by a ring-shaped structure through which some of the springs are passed, or are constituted by joining means to be joined to the springs.

Advantageous Effects

[18] According to the present invention, the protection system for digital multimedia movement can absorb an external shock in any directions with only a small number of springs by making the axial of the springs in parallel to an attachment plane of the black box or the support member.

[19] In addition, according to the present invention, it is possible to cubically absorb a shock by using elasticity and tension of the springs by crossing the contact points formed to fixing the springs to the black box and the support member.

[20] Furthermore, according to the present invention, it is possible to easily increase or decrease elasticity of the springs by stretching or shortening one spring, and since an outer side of the springs contacts the attachment plane of the black box or the support member, it is possible to easily install the springs without considering irregularity of the attachment plane. Brief Description of the Drawings

[21] Fig. 1 is a perspective view of a conventional vehicle black box shock- absorbing device.

[22] Fig. 2 is a perspective view and a bottom view of a vehicle black box shock- absorbing device according to an embodiment of the present invention.

[23] Fig. 3 is a view showing a contact point formation state of springs according to an embodiment of the present invention.

[24] Fig. 4 is a view showing means for constructing contact points according to an embodiment of the present invention.

[25] Fig. 5 is a view showing an operation state of the vehicle black box shock-absorbing device according to the embodiment of the present invention. Mode for the Invention

[26] Hereinafter, exemplary embodiments of the present invention will be described by way of an example of vehicle with reference to the accompanying drawings.

[27] Fig. 2 is a view showing an embodiment of spring mount according to an embodiment of the present invention. Figs. 2(a) and 2(b) are a perspective view and a bottom view of a black box on which springs are mounted. As shown in these figures, springs 30 to absorb an external shock can be mounted on a side of a vehicle black box 10 to collect video data through external sensors. The springs 30 have their axial direction in parallel to the side of the black box 10 unlike a general mount scheme of the springs 30.

[28] Fig. 3 shows that the black box to collect the video data and the springs to absorb the shock and vibration applied to the black box are integrally attached to a portion of the vehicle. The black box is mounted on the portion of the vehicle with the springs to absorb the external shock as connection means. The external shock may be applied to the black box in any directions including front, back, left and right directions. Such external shocks can be cubically absorbed through proper arrangement of contact points contacting outer ends of the springs.

[29] Referring to Fig. 3 (a), the device to absorb the external shock applied to the black box may include a plurality of first contact points 51, 52, 53 and 54 to couple the outer ends of the springs 30 to a side of the black box 10. In addition, the device may further include a plurality of contact points 61, 62, 63 and 64 to couple the springs 30 to a portion of the vehicle or a support member 40 to support the portion of the vehicle in order to mount the black box 10 coupled to the springs 30 on the vehicle.

[30] At this time, it is preferable that the first contact points 51, 52, 53 and 54 are crossed to the second contact points 61, 62, 63 and 64. If an lateral shock is applied in a state where the first contact points 51, 52, 53 and 54 are arranged to oppose the second contact points 61, 62, 63 and 64, since the first contact points 51, 52, 53 and 54 oppose the second contact points 61, 62, 63 and 64, the springs 30 are fixed without being stretched in the lateral shock direction, and thus can not absorb the lateral shock, and, as a result, all the lateral shock is transferred to the black box 10. However, as described above, when the first contact points 51, 52, 53 and 54 are crossed to the second contact points 61, 62, 63 and 64, the external shock can be diversified throughout the springs 30. A further description of operation of the device upon shock will be given below.

[31] As shown in Fig. 3 (a), the springs 30 are arranged in both sides of the black box 10 in order to absorb the shock, or as shown in Fig. 3(b), the springs 30 may be further arranged along the circumference of the black box 10 in order to further absorb the shock.

[32] If an object for absorption of shock is a hard disk to substantially store video data, the springs 30 may be attached to a portion of the hard disk which is then attached to the support member 40. At this time, if the hard disk is incorporated into the black box 10, the support member 40 may be a body of the black box 10. If the hard disk is externally connected to the black box, the support member 40 may be a portion of the vehicle.

[33] Fig. 4 shows various forms of contact points configured as means for fixing the springs to the black box and the support member. Some of the first contact points and the second contact points may be configured as means for fixing a ring- shape structure 100 to a portion of the black box or the support member and then passing and fixing a portion of the springs 30, as shown in Fig. 4(a), or may be configured as joining means 200 such as a screw to directly join the springs 30, as shown in Fig. 4(b).

[34] As described earlier, the axial direction of the springs of the present invention is parallel to the black box. This can more disperse a shock than when the axial direction of the springs of the present invention is perpendicular to the black box. As the appearance of the black box is more complicated, when the springs are attached perpendicularly to the black box, a plurality of springs are required to effectively disperse a shock and a complicated process is required to adjust springs having different lengths and moduli of elasticity in order to fix the black box to a portion of the vehicle or the support member. However, the springs of the present invention can be attached by properly bending or stretching one spring to meet the appearance of the black box, and can be easily installed since even only one spring can cover a plurality of sides of the black box according to the above description.

[35] Since the modulus of elasticity of one spring is constant, it is possible to evenly disperse and effectively absorb a shock unlike a shock concentrated by partial vibration due to irregularity of moduli of elasticity of a plurality of springs in conventional methods. In addition, although a conventional shock-absorbing device has to adjust elasticity of each spring in order to overcome such a partial vibration effect, in the present invention, it is possible to easily adjust elasticity of one spring by stretching or shortening the spring.

[36] In addition, in the prior art, an axial direction of a plurality of springs is perpendicular to the black box and thus a degree of vibration is high due to concentration of shock by absorbing the shock in a small area, and when the shock is applied downward, since capability to absorb the shock depends on a distance between unit rings of the springs, there is a high restriction to size, ring-to-ring distance and length of springs. However, the parallel arrangement of the axial direction of the springs of the present invention disperses the shock over a large area since outer sides of the springs undertake the shock. In addition, even when a diameter of the springs is increased to strengthen shock-absorbing capability, increase of volume is not large and vibration can be suppressed due to diversification of shock.

[37] Hereinafter, an operation of the shock-absorbing device of the vehicle black box according to the embodiment of the present invention will be described in detail.

[38] Fig. 5 is a view showing reaction of the black box shock-absorbing device to a shock direction according to the embodiment of the present invention.

[39] Figs. 5 (a) and 5(b) show operation of the shock-absorbing device to front and rear shock. When an external force by front and rear shock is applied to push the black box 10 forward and backward, the springs 30 absorbs the external shock as an interval between pitches adjacent to the contact points 52 and 62 of the first contact points and the second contact points, which are located in a direction opposite to a direction in which the external force is applied becomes narrow while an interval between pitches adjacent to the contact points 51 and 61 in proximity to the direction in which the external force is applied becomes wide. In addition, as the contact points 51, 52, 61 and 62 are crossed each other and the springs are leaned along the external force direction, the length of the springs 30 are extended, thereby making it possible to absorb secondary shock.

[40] Referring to Figs. 5(c) and 5(d), when a shock is externally applied to a side of the vehicle black box 10, the first contact points 51 and 52 are moved along the external shock direction to extend the springs 30 while the second contact points 61 and 62 fix a portion of the springs to stably absorb the shock.

[41] In addition, referring to Figs. 5(e) and 5(f), when a shock is applied vertically to the vehicle black box 10, it is possible to properly absorb the shock using elasticity of the springs 30.

[42] As described above, the shock-absorbing device is able to effectively absorb a shock applied to the black box in a plurality of direction, and is also able to effectively absorb a shock applied cubically in addition to the above directions by moving the springs arranged in parallel to the black box, the black box and the support member in a direction corresponding to a shock direction through tension and elasticity of the springs due to crossed arrangement of contact points joining the black box and the support member to the springs to absorb the shock and then returning the springs to an original position.

[43] Although the exemplary embodiment of the present invention has been described on the basis of vehicle, it should be understood that the present invention is applicable to other transport means, such as ships, trains, aircrafts and so on, which produce irregular vibration.

Claims

[1] A protection system for digital multimedia movement, for absorbing a shock in a cubical direction, which is applied to a black box storing video data in an accident, by connecting the black box to a support member provided to mount the black box to a portion of transport means, comprising: a spring unit whose axial direction is parallel to the black box and the support member, the spring unit being arranged between the black box and the support member and including one or more springs to absorb a shock in a plurality of directions which is applied to the black box; a first contact point portion including at least one contact point to join the black box to the springs; and a second contact point portion including at least one contact point to join the support member to the springs.

[2] The protection system according to Claim 1, wherein the first contact point portion and the second contact point portion are crossed each other.

[3] The protection system according to Claim 1, wherein some of the contact points included in the first contact portion and the second contact point portion are constituted by a ring-shaped structure through which some of the springs are passed.

[4] The protection system according to Claim 1, wherein some of the contact points included in the first contact portion and the second contact point portion are constituted by joining means to be joined to the springs.

[5] The protection system according to Claim 1, wherein the support member is a portion of the transport means.

[6] The protection system according to Claim 1, wherein the springs are wire springs.

[7] The protection system according to Claim 1, wherein at least one spring is arranged along the circumference of the black box.

[8] A protection system for digital multimedia movement, for absorbing a shock in a cubical direction, which is applied to a black box storing video data in an accident, by connecting a hard disk of the black box to a support member provided to mount the black box to a body of the black box or a portion of transport means, comprising: a spring unit whose axial direction is parallel to the black box and the support member, the spring unit being arranged between the black box and the support member and including one or more springs to absorb a shock in a plurality of directions which is applied to the black box; a first contact point portion including at least one contact point to join the black box to the springs; and a second contact point portion including at least one contact point to join the support member to the springs. [9] The protection system according to Claim 8, wherein the first contact point portion and the second contact point portion are crossed each other. [10] The protection system according to Claim 8, wherein some of the contact points included in the first contact portion and the second contact point portion are constituted by a ring-shaped structure through which some of the springs are passed. [11] The protection system according to Claim 8, wherein some of the contact points included in the first contact portion and the second contact point portion are constituted by joining means to be joined to the springs. [12] The protection system according to Claim 8, wherein the support member is a portion of the transport means or a portion of a case constituting the black box.