KR20230091632A - Smart safety bar system - Google Patents

Abstract

Disclosed is a smart safety bar system comprising: a sensing part including lidar sensing a reflection wave reflected from emitted light and a camera photographing an image; a server acquiring moving and location data of a vehicle or a pedestrian through the reflection wave and the image, and controlling operations of a safety bar; and a safety bar device operating the safety bar in accordance with control of the server. The safety bar device includes: a safety bar having a connection part and a line part protruding toward the front side of an entering vehicle, and deformable to be folded and unfolded in accordance with control of a safety bar control part; a support installed on the rear side of the safety bar, and for suppressing pushing of the safety bar caused by a vehicle collision of the safety bar; and a main body having a support groove accommodating one end of the support and the safety bar and a first rotating part moving the safety bar and the support. The main body includes an upper portion, a lower portion, and a second rotating part connecting the upper portion and the lower portion and rotating the upper portion to move the safety bar to a set angle toward the direction in which a vehicle turning right enters. According to the present invention, vehicles and pedestrians moving in a children protection zone, a senior citizen protection zone, and a disabled people protection zone can be monitored at all times to predict traffic accident risk situations to prevent traffic accidents of ordinary people and vehicle drivers as wells as children, senior citizens, and disabled people who are vulnerable to traffic accidents.

Description

Smart safety bar system {Smart safety bar system}

The present invention relates to a smart safety bar system, and more specifically, to prevent traffic accidents by constantly monitoring vehicles and pedestrians in child protection areas, elderly protection areas, and disabled protection areas using lidar and CCTV. It is about a smart safety bar system that can

Recently, the importance of child protection and safety in child protection zones has been highlighted, such as traffic accidents in child protection zones becoming a social issue. Accordingly, a school zone, a space that can safely protect children from the risk of traffic accidents, has been designated. However, it is a reality that traffic accidents in children's protection zones continue to occur because children are still physically and mentally immature.

In addition, there are not only children's protection zones, but also senior citizens' protection zones and disabled protection zones, which are spaces for protecting the elderly or disabled, etc., but these are also still vulnerable to traffic accidents.

Accordingly, there is a need for a system that can prevent traffic accidents in advance by predicting the risk of traffic accidents in advance by constantly monitoring the movement of vehicles and pedestrians in areas vulnerable to traffic accidents, such as children's protection areas, elderly protection areas, and disabled protection areas. do.

KR Registered Patent No. 10-1212641 B1 KR Publication No. 10-2013-0004561 A

The purpose of the present invention is to predict the risk of traffic accidents in advance by constantly monitoring vehicles and pedestrians moving in child protection areas, elderly protection areas, and disabled protection areas using lidar and CCTV, etc., so that children and the elderly who are vulnerable to traffic accidents And to provide a smart safety bar system that can prevent traffic accidents of not only the disabled, but also the general public and vehicle drivers.

A smart safety bar system according to an embodiment of the present invention emits laser light to a crosswalk and a surrounding area, and detects a reflected wave of the emitted light reflected from a vehicle or pedestrian in the crosswalk and the surrounding area, and the crosswalk A sensor unit including a camera that captures an image of a sidewalk or surrounding area, a server that receives movement and location data of a vehicle or pedestrian through the reflected wave and the image received from the sensor unit, and controls the operation of a safety bar, and A safety bar device operating under the control of the server may be included.

In addition, the server includes a recognition unit including a vehicle recognition unit and a pedestrian recognition unit for recognizing a vehicle or pedestrian according to the reflected wave and image received from the detection unit, and movement and location data of the vehicle or pedestrian recognized through the recognition unit. and a safety bar control unit for controlling the operation of the safety bar of the safety bar device based on the signal of the traffic light.

In addition, the safety bar device includes a safety bar having a first straight part, a second straight part, and a connection part connecting the first straight part and the second straight part through a hinge part, and the first straight part of the safety bar and The connection unit protrudes toward the front of the vehicle entering, and may be deformed to be unfolded and folded according to the control of the safety bar control unit.

In addition, the safety bar device may include a support that is installed directly adjacent to a rear side surface of the safety bar and suppresses the safety bar from being pushed due to a vehicle collision of the safety bar.

In addition, the safety bar device has a main body having a support groove for accommodating one end of the safety bar and the support, and a first rotational part connected to the safety bar and the support and moving the safety bar and the support in a vertical-horizontal direction. can include

In addition, the connection portion of the safety bar and the outer circumferential surfaces of the first and second straight lines may further include a shock absorbing material for shock mitigation.

In addition, the hinge part may include an elastic part that returns the safety bar to its original state by folding the connection part and the first straight line part.

In addition, the main body may further include an upper part, a lower part, and a second rotation part connecting the upper part and the lower part and rotating the upper part to move the safety bar in the left and right directions.

Furthermore, the upper part of the main body may move the position of the safety bar by rotating at a predetermined angle toward the direction in which the right-turning vehicle enters in order to suppress the right-turning progress of the vehicle when the vehicle turns right.

Features and advantages of the present invention will become more apparent from the following detailed description taken in conjunction with the accompanying drawings.

Prior to this, the terms or words used in this specification and claims should not be interpreted in a conventional and dictionary sense, and the inventor may appropriately define the concept of the term in order to explain his or her invention in the best way. It should be interpreted as a meaning and concept consistent with the technical idea of the present invention based on the principle that there is.

According to an embodiment of the present invention, vehicles and pedestrians moving in a child protection area, an elderly protection area, and a disabled protection area are always monitored to predict a traffic accident risk situation in advance, so that not only children, the elderly and the disabled, who are vulnerable to traffic accidents, but also , traffic accidents of ordinary people and vehicle drivers can be prevented in advance.

1 is a block diagram schematically showing a smart safety bar system according to an embodiment of the present invention.
2 is a view showing a safety bar device of a smart safety bar system according to an embodiment of the present invention installed near a crosswalk.
3 is a view of a rotatable safety bar device of a smart safety bar system according to another embodiment of the present invention installed near a crosswalk.
4 is a view for explaining an operation of a safety bar device according to an embodiment of the present invention, and is a perspective view showing a state before a vehicle collides with a safety bar.
5 is a view for explaining an operation of a safety bar device according to an embodiment of the present invention, and is a perspective view showing a state in which a vehicle collides with a safety bar.
FIG. 6 is a top view of the safety bar device according to the embodiment of FIG. 4 as viewed from above, and is a top view showing a state before the vehicle collides with the safety bar.
FIG. 7 is a top view of the safety bar device according to an embodiment of FIG. 5 viewed from above, showing a state in which a vehicle collides with a safety bar.
8 is a perspective view illustrating an operation of a rotatable safety bar device according to another embodiment of FIG. 3 .

Objects, advantages, and features of an embodiment of the present invention will become more apparent from the following description of an embodiment in conjunction with the accompanying drawings. In adding reference numerals to components of each drawing in this specification, it should be noted that the same components have the same numbers as much as possible, even if they are displayed on different drawings. In addition, terms such as "one side", "other side", "first", and "second" are used to distinguish one component from another, and the components are not limited by the above terms. no. Hereinafter, in describing an embodiment of the present invention, a detailed description of related known technologies that may unnecessarily obscure the subject matter of an embodiment of the present invention will be omitted.

In addition, it should be noted that the terms used in the present invention are only used to describe specific embodiments and are not intended to limit the present invention, and singular expressions include plural expressions unless otherwise specified in context.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Hereinafter, various embodiments of this document will be described with reference to the accompanying drawings. However, this is not intended to limit the technology described in this document to specific embodiments, and should be understood to include various modifications, equivalents, and/or alternatives of the embodiments of this document. . In connection with the description of the drawings, like reference numerals may be used for like elements.

1 is a block diagram schematically showing a smart safety bar system according to an embodiment of the present invention, and FIG. 2 is a view showing a safety bar device of a smart safety bar system according to an embodiment of the present invention installed near a crosswalk. 3 is a view of a rotatable safety bar device of a smart safety bar system according to another embodiment of the present invention installed near a crosswalk.

As shown in FIG. 1, the smart safety bar system according to an embodiment of the present invention emits laser light to the crosswalk and the surrounding area, and the emitted light is reflected from vehicles or pedestrians in the crosswalk and the surrounding area. Through a detector 10 including a lidar 11 for detecting the reflected wave and a camera 12 for capturing an image of the crosswalk or the surrounding area, the reflected wave and the image received from the detector 10 It may include a server 20 that acquires movement and location data of a vehicle or pedestrian and controls the operation of a safety bar, and a safety bar device 40 that operates under the control of the server.

Each of the components as described above may communicate with each other through a wired or wireless communication network.

On the other hand, the smart safety bar system of FIG. 1 is only one embodiment of the present invention, and should not be construed as limiting the invention through FIG. 1.

The lidar (11; Radar) of the sensing unit 10 emits laser light (ie, laser pulses), and receives the reflected light from surrounding objects (eg, vehicles or pedestrians) and returns, It is a device that can measure the distance or location to the object.

That is, the lidars 11 shown in FIGS. 2 and 3 are installed in the vehicle traffic lights U1 and U2 and the pedestrian traffic lights S1 to S4 to emit light to the crosswalk and the surrounding area, which is reflected from vehicles or pedestrians. The reflected wave can be continuously detected.

In addition, the camera 12 of the detector 10 is an image capturing device such as a CCTV, and the cameras 12 shown in FIGS. 2 and 3 are installed in vehicle traffic lights U1 and U2 and pedestrian traffic lights S1 to S4. It is possible to continuously photograph situations such as vehicles or pedestrians around the crosswalk.

On the other hand, the range detected and photographed through the lidar 11 and the camera 12 of the sensing unit 10 may be appropriately set according to the needs of the operator.

As described above, the reflected waves and images of vehicles or pedestrians continuously sensed and photographed through the lidar 11 and the camera 12 of the sensing unit 10 may be output to the server 20 .

The server 20 includes a recognition unit 100 including a vehicle recognition unit 110 and a pedestrian recognition unit 120 for recognizing a vehicle or a pedestrian according to the reflected wave and image received from the detection unit 10, and The safety bar 41 of the safety bar device 40 based on the movement and location data of the vehicle or pedestrian recognized through the vehicle recognition unit 110 and the pedestrian recognition unit 120 of the recognition unit 100 and the signal of the traffic light. ) It may include a safety bar control unit 200 that controls the operation of.

The vehicle recognizing unit 110 and the pedestrian recognizing unit 120 of the server 20 obtain movement and location data of vehicles or pedestrians through the reflected waves and images received from the sensing unit 10, and through this, a crosswalk is detected. and vehicles or pedestrians in the surrounding area can be recognized.

Specifically, the vehicle recognizing unit 110 and the pedestrian recognizing unit 120 receive from the detecting unit 10 based on the reference moving speed and moving direction data of the vehicle or pedestrian previously stored in the storage unit 300. Movement and location data of a vehicle or pedestrian may be acquired through a reflected wave and an image, and the vehicle or pedestrian may be recognized through this.

That is, although not described in detail, the recognition unit 100 may include a Doppler frequency analyzer, and such a Doppler frequency analyzer transmits the reflected wave of a vehicle or pedestrian detected by the LIDAR 11 according to the Doppler effect. The moving direction and speed of the vehicle or pedestrian may be analyzed by the aspect, and the vehicle or pedestrian may be recognized according to the analyzed moving direction and speed.

Thereafter, the safety bar control unit 200 detects the movement situation of vehicles and pedestrians in the current crosswalk or surrounding area based on the movement and location data of the vehicle or pedestrian recognized through the recognition unit 100 and the signal of the traffic light. In consideration of this, it is possible to control the operation of the safety bar 41 of the safety bar device 40.

In addition, the server 20 is a storage unit for storing vehicle or pedestrian movement and location-related data obtained through reflected waves and images received from the sensor 10 or vehicle- or pedestrian-related data input through other external devices. 300, communication unit 400 for communication between each component of the smart safety bar system or other external devices, input/output unit for inputting and outputting data of each component of the smart safety bar system or external device 500, and a notification unit 600 for outputting a video or text message, a voice message, a warning sound, or a warning light under the control of the safety bar controller 200.

Meanwhile, at least some of the components are connected to each other through a communication method between peripheral devices (eg, a bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)). Signals (eg, commands or data) can be exchanged with each other.

In addition, at least some of the components may mutually exchange signals (eg, commands or data) between neighboring devices through a wireless communication method such as LTE, 5G, or 6G or a wireless communication method to be developed in the future.

In addition, as an output device that outputs a video or audio message, a warning sound, or a warning light through the notification unit 600, various types of display devices capable of displaying images or texts, and various types of display devices capable of generating voice messages or warning sounds can be used. It may include various types of speakers and various types of light emitting devices capable of generating warning lights.

The output devices may be installed at vehicle traffic lights, pedestrian traffic lights, safety bar devices, or other suitable places as needed.

In addition, an AI-based deep learning algorithm that performs artificial intelligence learning may be used in the smart safety bar system according to the present invention.

That is, by using the AI-based deep learning algorithm, vehicle or pedestrian movement and location-related data obtained through reflected waves and images continuously collected through the sensing unit 10 and stored in the storage unit 300, or By learning the movement and location patterns of vehicles and pedestrians obtained based on big data such as vehicle or pedestrian data input through other external devices and stored in the storage unit 300, pedestrians such as children, the elderly, and the disabled It can be implemented to predict and determine dangerous situations in advance, and prevent traffic accidents in advance by notifying vehicle drivers and pedestrians of dangerous situations.

Hereinafter, the configuration of the safety bar device 40 will be described in detail with reference to FIGS. 4 to 7 .

4 is a view for explaining the operation of a safety bar device according to an embodiment of the present invention, and is a perspective view showing a state before a vehicle collides with a safety bar, and FIG. 5 is a safety bar device according to an embodiment of the present invention. A diagram for explaining the operation of, which is a perspective view showing a state in which a vehicle collides with a safety bar, and FIG. 6 is a top view of the safety bar device according to an embodiment of FIG. 4, showing a state before the vehicle collides with the safety bar. FIG. 7 is a top view of the safety bar device according to the embodiment of FIG. 5 as viewed from above, and is a top view illustrating a state in which a vehicle collides with a safety bar.

The safety bar device 40 of the present invention as described above has a first straight portion E1, a second straight portion E2, and a hinge portion of the first straight portion E1 and the second straight portion E2. It includes a safety bar 41 having a connection portion (C) connected through (43, 44), and the first straight portion (E1) and the connection portion (C) of the safety bar 41 are toward the front of the entering vehicle. It protrudes toward, and can be unfolded and folded according to the control of the safety bar control unit 200.

In addition, the safety bar device 40 of the present invention is installed immediately adjacent to the rear side of the safety bar 41, suppresses the safety bar 41 from being pushed due to a vehicle collision of the safety bar 41, and A support 42 for secondarily absorbing the impact of the safety bar 41 may be included.

In addition, in the safety bar device 40 of the present invention, the support groove 60 accommodating one end of the safety bar 41 and the support 42, and the safety bar 41 and the support 42 are connected and the The safety bar 41 and the support 42 may include a main body 50 having a first rotational part 70 that moves in a vertical-horizontal direction.

On the other hand, the safety bar 41 and the support 42 may be made of a material such as steel to absorb shock caused by a vehicle collision, but are not limited thereto, and various types of materials capable of absorbing shock may be used. can

In addition, although only one connecting portion C is shown in FIGS. 4 to 8 , it is not limited thereto, and it should be noted that more connecting portions may be further configured as needed for shock mitigation.

In addition, one end of the second straight part E2 of the safety bar 41, one end of the support 42 facing and corresponding to the second straight part E2, and the safety bar 41 and The first pivoting part 70 connected to one end of the support 42 is integrally coupled, and the connection part C and the first straight part E1 of the safety bar 41 are one end of the support 42. It may be spaced apart from other parts by a predetermined distance.

On the other hand, one end of the safety bar 41 and the support 42 need not necessarily be configured integrally, and may be coupled to the first rotational part 70 at a predetermined interval if necessary.

As described above, since the safety bar 41 and the support 42 are integrally coupled with the first rotational part 70, the safety bar 41 and the support 42 are formed according to the rotation of the first rotational part 70. They can also move at the same time.

That is, the safety bar 41 and the support 42 move in the vertical-horizontal direction (ie, D1- as shown in FIG. 4 according to the rotation of the first rotation unit 70 through the control of the safety bar control unit 200). direction D2).

The rotation of the first rotation unit 70 is driven by a motor (not shown) installed in the main body 50 of the safety bar device 40 through the operation control of the safety bar device 40 of the safety bar control unit 200. can be done according to

On the other hand, when the movement of the safety bar 41 and the support bar 42 in the vertical-horizontal direction along the support groove 60 is completed, the safety bar 41 and the support bar 42 are attached to the support groove 60. A stopper (not shown) may be installed at a fixed position in the vertical-horizontal direction in the support groove 60 so as to be stably and firmly fixed.

In addition, according to the change in the moving direction of the safety bar 41 and the support 42, the vertical and horizontal locking and unlocking of the safety bar 41 and the support 42 may be changed through the stopper.

In addition, warning lights L1 and L2 may be installed on the upper surface of the support 42 to notify a vehicle driver of a warning, and the installation position and number of such warning lights may be appropriately set as needed.

On the other hand, as described above, an electric signboard (not shown) may be installed on a vehicle traffic light or a pedestrian traffic light so that the vehicle driver can know the warning of the warning lights L1 and L2 according to what situation. Through this, the vehicle driver can A warning situation (eg, a situation where a pedestrian is walking on a crosswalk, etc.) is more clearly known. In addition, it should be noted that the installation location of the electronic display board is not limited to vehicle traffic lights or pedestrian traffic lights.

In addition, the connection portion C of the safety bar 41 and the outer circumferential surfaces of the first and second straight portions E1 and E2 may be configured as a shock absorbing material for mitigating impact caused by a vehicle collision.

Materials such as rubber or foamed polyethylene may be used as the material of the buffer, but various other types of buffer materials may be used without being limited thereto.

In addition, the hinge parts 43 and 44 may include an elastic part (not shown) capable of returning the safety bar 41 to its original state by folding the connection part C and the first straight part E1.

The elastic part as described above may be a spring or the like capable of returning the safety bar 41 to its original state by folding the connection part C and the first straight part E1, but is not limited thereto.

Moreover, as shown in FIGS. 3 and 8, which are other embodiments of the present invention, the upper part 51 of the main body 50 is directed toward the direction in which the right-turning vehicle enters in order to suppress the right-turning progress of the vehicle V2 when the vehicle turns right. It may be configured to move the position of the safety bar 41 by rotating at a predetermined angle.

That is, the main body 50 of FIGS. 3 and 8 connects the upper part 51 and the lower part 52, and the upper part 51 and the lower part 52 and rotates the upper part 51 to secure the safety bar 41. It may be configured to further include a second rotation unit 80 that moves in the left and right directions.

Thereby, through the control of the safety bar device 40 of the safety bar control unit 200, the second rotation unit 80 is rotated according to the operation of a motor (not shown) in the main body 50 to move the main body 50 The upper part 51 of can be rotated in the left and right directions. The rotation angle of the upper part 51 of the main body 50 may be appropriately set as needed.

Hereinafter, the operation of the safety bar device implemented through the smart safety bar system according to an embodiment of the present invention will be described in detail with reference to the drawings.

As the pedestrian traffic lights S1 and S2 are changed to green signals through the traffic light control system 30, the safety bar controller 200 of the server 20 controls the safety bar device 40 to operate.

When the motor of the main body 50 is driven and the first rotating part 70 rotates according to the operation control of the safety bar device 40 by the safety bar control unit 200, the safety bar 41 as shown in FIG. ) and the support 42 is moved from the vertical direction D1 to the horizontal direction D2.

At this time, as the safety bar 41 and the support 42 move in the horizontal direction D2, the warning lights L1 and L2 installed on the support 42 emit light, giving the driver of the vehicle V1 a pedestrian signal light. (S1, S2) is changed to a green signal to warn pedestrians to stop by notifying them that they are crossing the crosswalk.

Thereafter, after all pedestrians on the crosswalk have crossed, the server 20 The safety bar controller 200 of ) controls the safety bar device 40 to operate.

When the motor of the main body is driven and the first rotation unit 70 is rotated according to the operation control of the safety bar device 40 of the safety bar control unit 200, the safety bar 41 and the support ( 42 is moved from the horizontal direction D2 to the vertical direction D1 to return to its original state, and the warning lights L1 and L2 of the support 42 turn off.

However, despite the fact that the pedestrian traffic lights S1 and S2 are changed to a red signal and the vehicle traffic light U1 is changed to a straight ahead or left turn signal, the pedestrian recognition unit 120 moves on the crosswalk according to the detection of the detection unit 20. When recognizing that there is still a pedestrian and predicting that a dangerous situation may occur, the server 20 controls the safety bar device 40 through the safety bar control unit 200 so that the safety bar 41 and the support 42 while maintaining the state of the horizontal direction (D2) without returning it from the horizontal direction (D2) to the vertical direction (D1), a video or audio message, warning sound, or warning light installed in a pedestrian traffic light, safety bar device, or other appropriate place A video or text message is displayed through an output device (not shown), a voice message or warning sound is generated, or a warning light is generated to warn the vehicle driver that there is still a pedestrian on the crosswalk.

Then, when it is confirmed that there is no pedestrian on the crosswalk as a result of the recognition unit 100's pedestrian recognition according to the detection of the detection unit 10, the safety bar 41 and the support ( 42 is moved from the horizontal direction D2 to the vertical direction D1 to return to its original state, and the warning lights L1 and L2 of the support 42 turn off.

However, as described above, despite warning the vehicle driver that there is a pedestrian on the crosswalk, the vehicle driver does not recognize this and the safety bar 41 of the safety bar device 40 maintained in the horizontal direction D2 When the vehicle V1 collides (see FIGS. 5 and 7), the connection portion C and the first straight portion E1 installed on the safety bar 41 spread in the direction of the arrow A1 shown in FIGS. 4 and 6 for safety. The bar 41 is in a state as shown in FIGS. 5 and 7 to mitigate the impact caused by the collision of the vehicle V1.

Meanwhile, the impact suppression force of the hinge parts 43 and 44 and the connecting part C for mitigating the impact caused by the collision of the safety bar 41 of the vehicle may be appropriately set in consideration of the speed of the vehicle. That is, the impact suppression force may be appropriately set by adjusting the tightening of the connection portion C through the hinge portion and the first and second straight portions E1 and E2.

In addition, the support 42 installed on the rear side of the safety bar 41 in the opposite direction to the protruding direction of the connection part C and the first straight part E1 is the primary impact caused by the collision of the safety bar 41 of the vehicle. The impact of the resulting safety bar 41 may be secondaryly reinforced.

Next, the operation of the safety bar device implemented through the smart safety bar system according to another embodiment of the present invention will be described in detail with reference to FIGS. 3 and 8 .

FIG. 8 is a perspective view illustrating the operation of the rotatable safety bar device according to another embodiment of FIG. 3 , wherein the upper part 51 of the main body 50 prevents the right turning vehicle from proceeding when the vehicle turns right. It may be configured to move the position of the safety bar by rotating at a predetermined angle toward the entering direction.

Meanwhile, since the movement of the safety bar 41 of the safety bar device 40 in the vertical-horizontal direction is substantially the same as that of one embodiment, it will be described with reference to the above embodiment.

First, as the pedestrian traffic lights S3 and S4 are changed to green signals through the traffic light control system 30, the safety bar controller 200 of the server 20 controls the safety bar device 40 to operate.

When the motor of the main body 50 is driven according to the operation of the safety bar device 40 and the first rotating part 70 is rotated, the safety bar 41 and the support 42 move from the vertical direction D1 to the horizontal direction. (D2) (see Fig. 4).

At this time, as the safety bar 41 and the support 42 move in the horizontal direction D2, the warning lights L1 and L2 installed on the support 42 emit light (see FIG. 4), and go straight to the crosswalk. The pedestrian traffic light (S3, S4) is changed to a green signal to the driver of the vehicle driving the vehicle to inform that a pedestrian is crossing the crosswalk and to warn the driver to stop.

Thereafter, after all pedestrians on the crosswalk have crossed, and the pedestrian traffic lights S3 and S4 are changed to red signals and the vehicle traffic lights U1 are changed to straight ahead or left turn signals through the traffic light control system 30, the server 20 The safety bar controller 200 of ) controls the safety bar device 40 to operate.

Next, as in one embodiment, when the motor is driven according to the operation of the safety bar device 40 and the first rotating part 70 is rotated, the safety bar 41 and the support 42 move in the horizontal direction ( It is moved in the vertical direction D1 in D2) and returns to its original state, and the light emission of the warning lights L1 and L2 of the support 42 is turned off.

However, as shown in FIG. 3, when the vehicle V2 to turn right is recognized through the detection unit 10 and the recognition unit 100 while the pedestrian traffic lights S3 and S4 are green, the server 20 ) Controls the safety bar device 40 through the safety bar control unit 200 to rotate the upper part 51 of the main body 50 to prevent the right turning vehicle V2 from proceeding.

That is, as shown in FIG. 8 , according to the control of the safety bar device 40 through the safety bar control unit 200 of the server 20, the upper part 51 and the lower part 52 of the main body 50 are connected. and the second rotation part 80 for rotating the upper part 51 is rotated (ie, in the left direction) through a motor (not shown) to move the upper part 51 of the main body 50 in the left direction (ie, in D3). direction D4), the progress of the right-turning vehicle V2 is blocked through the safety bar 41.

Simultaneously with the turning, an image or text is displayed, a voice message or a warning sound is generated, or a warning light is generated through the above-described output device to warn the vehicle driver that there is a pedestrian on the crosswalk.

Then, as in FIG. 4, when it is confirmed that there is no pedestrian on the crosswalk as a result of the recognition unit 100's pedestrian recognition according to the detection of the detection unit 10, the safety bar 41 and the support 42 move in the horizontal direction. It is moved in the vertical direction (D1) in (D2) and returns to the original state, the light emission of the warning lights (L1, L2) of the support 42 is turned off, and the upper part 51 of the main body 50 is on the right side as shown in FIG. direction (ie, from direction D4 to direction D3).

However, when the vehicle turns right, despite warning the vehicle driver that there is a pedestrian on the crosswalk, the vehicle driver fails to recognize this and the safety bar 41 of the safety bar device 40 maintained in the horizontal direction D2 When the vehicle V2 collides (not shown), the connecting portion C and the first straight portion E1 of the safety bar 41 are unfolded, and the safety bar 41 is shown in FIGS. 5 and 7, as in the above embodiment. It is in the same state to mitigate the shock caused by the collision of the vehicle.

In addition, like in one embodiment, the support 42 installed at the rear of the safety bar 41 can secondarily reinforce the impact of the safety bar 41 caused by the primary impact caused by the collision with the safety bar 41 of the vehicle. can

As described above, the present invention has been described in detail through specific examples, but this is for explaining the present invention in detail, the present invention is not limited thereto, and within the technical spirit of the present invention, those skilled in the art It will be clear that the modification or change is possible by the person.

All simple modifications or changes of the present invention fall within the scope of the present invention, and the specific protection scope of the present invention will be clarified by the appended claims.

10: sensing unit, 11: lidar,
12: camera, 20: server,
30: traffic light control system, 40: safety bar device,
41: safety bar, 42: support,
43, 44: hinge part, 50: main body,
51: upper part, 52: lower part
60: support groove, 70, 80: rotating part,
100: recognition unit, 110: vehicle recognition unit,
120: pedestrian recognition unit, 200: safety bar control unit,
300: storage unit, 400: communication unit,
500: input/output unit, 600: notification unit,
C: connection part, E1, E2: straight part,
L1, L2: warning lights, S1~S4: pedestrian traffic lights,
U1, U2: vehicle traffic light, V1, V2: vehicle.

Claims (9)

A lidar that emits laser light to the crosswalk and the surrounding area and detects a reflected wave of the emitted light reflected from a vehicle or pedestrian in the crosswalk and the surrounding area, and a camera that captures an image of the crosswalk or the surrounding area sensing unit;
a server that obtains movement and location data of a vehicle or pedestrian through the reflected wave and the image received from the sensor, and controls operation of a safety bar; and
A smart safety bar system comprising a safety bar device operating under the control of the server. The method of claim 1,
The server
a recognition unit including a vehicle recognition unit and a pedestrian recognition unit for recognizing a vehicle or a pedestrian according to the reflected wave and the image received from the detection unit; and
A smart safety bar system comprising a safety bar control unit for controlling the operation of the safety bar of the safety bar device based on the movement and location data of the vehicle or pedestrian recognized through the recognition unit and the signal of the traffic light. The method of claim 2,
The safety bar device includes a safety bar having a first straight part, a second straight part, and a connection part connecting the first straight part and the second straight part through a hinge part,
The first straight part and the connection part of the safety bar protrude toward the front of the entering vehicle, and can be deformed to be unfolded and folded under the control of the safety bar control unit, the smart safety bar system. The method of claim 3,
The safety bar device is installed immediately adjacent to the rear side of the safety bar and includes a support for suppressing the safety bar from being pushed due to a vehicle collision of the safety bar. The method of claim 4,
The safety bar device includes a main body having a support groove for accommodating one end of the safety bar and the support, and a first rotational part connected to the safety bar and the support and moving the safety bar and the support in a vertical-horizontal direction. The smart safety bar system. The method of claim 3,
The connection part of the safety bar and the outer circumferential surface of the first and second straight parts further include a shock absorbing material for shock mitigation, the smart safety bar system. The method of claim 3,
The hinge part includes an elastic part for returning the safety bar to its original state by folding the connection part and the first straight line part, the smart safety bar system. The method of claim 3,
The main body further includes an upper part, a lower part, and a second rotation part that connects the upper part and the lower part and rotates the upper part to move the safety bar in the left and right directions. The method of claim 8,
The upper part of the main body rotates at a predetermined angle toward the direction in which the right-turning vehicle enters to suppress the right-turning progress of the vehicle when the vehicle turns right, thereby moving the position of the safety bar.

Images