KR102562903B1 - Safety apparatus for crosswalk - Google Patents

Abstract

The present invention relates to a crosswalk safety device that operates in conjunction with a crosswalk signal to open the crosswalk when the traffic light is a walking signal and block the crosswalk when it is a stop signal, which is installed to extend vertically on the ground post; Two blocking bars rotatably installed at the upper ends of both sides of the post so that their lower ends extend to the side of the post or are folded so as to be overlapped with the post; a driving unit installed on the post to rotate the two blocking bars; Discloses a safety device for a crosswalk comprising a; and a controller connected to a traffic light installed in a crosswalk and the driving unit to operate the driving unit according to the blinking signal of the traffic light.

Description

Safety apparatus for crosswalk {Safety apparatus for crosswalk}

The present invention relates to a safety device for a crosswalk, and more particularly, to a safety device for a crosswalk that operates in conjunction with a traffic light at a crosswalk to open the crosswalk when the traffic light is a walking signal and to block the crosswalk when the traffic light is a stop signal. It's about the device.

As a technology for safety devices for crosswalks, Korean Utility Model Publication No. 20-2008-0003067 (published on Aug. 4, 2008) 'crosswalk safety door device for pedestrian protection' (hereinafter referred to as 'prior art') ) is presented.

In the prior art, "in the case where a safety fence is formed on the side of a road where a crosswalk is installed, a door frame is formed at the boundary between the road and the sidewalk of the crosswalk, and an automatic door that is opened and closed by a driving member is installed on the door frame. And, the driving member is a technology related to a crosswalk safety door device for pedestrian protection, characterized in that it is opened and closed by a driving signal output from a control means in conjunction with a walking signal or stop signal supplied to a traffic light.

The prior art is a technology that can prevent accidents due to jaywalking by preventing students and passers-by from jaywalking when a pedestrian stop signal is closed at a crosswalk installed around a school, in particular.

However, in the prior art, since a large structure must be constructed along the entire width of the crosswalk, a large amount of cost is required for manufacturing and construction, and operation and maintenance are difficult.

[Document 1] Republic of Korea Utility Model Publication No. 20-2008-0003067 (published on August 4, 2008)

The present invention has been made to solve the above problems, and works in conjunction with the traffic light of the crosswalk to open the crosswalk when the traffic light is a walking signal and to block the crosswalk when it is a stop signal, thereby preventing accidents caused by jaywalking. Its purpose is to provide a safety device for crosswalks that can be prevented, but which makes it easy to manufacture, construct, operate and maintain the device.

The problem to be solved by the present invention is not limited to the above-mentioned problem. Other technical problems not mentioned will be clearly understood by those skilled in the art from the following description.

In order to solve the above problems, a crosswalk safety device according to an embodiment of the present invention includes a post installed to extend vertically on the ground; Two blocking bars rotatably installed at the upper ends of both sides of the post so that their lower ends extend to the side of the post or are folded so as to be overlapped with the post; a driving unit installed on the post to rotate the two blocking bars; and a control unit that is connected to the traffic light installed in the crosswalk and the driving unit and operates the driving unit according to the blinking signal of the traffic light.

In an embodiment of the present invention, as connected to the control unit, it is installed around the crosswalk and further comprises a speed meter for measuring the speed of the vehicle heading to the crosswalk, the control unit heading to the crosswalk through the speed meter. When it is determined that the vehicle is stopped, the driving unit is operated so that each of the blocking bars is folded.

In an embodiment of the present invention, a switch for operating the driving unit so that each of the blocking bars is folded is installed on the side of the post facing the crosswalk.

In an embodiment of the present invention, an impact sensor connected to the control unit is installed on the post, the blocking bar, or both, and the control unit stops the operation of the blocking bar according to the measured value transmitted from the impact sensor. .

In an embodiment of the present invention, the blocking bar may include an upper blocking bar and a lower blocking bar connected to each other in line with each other; and a coil spring connecting the upper blocking bar and the lower blocking bar, so that the lower blocking bar can be bent at the upper blocking bar by elastic deformation of the coil spring.

In an embodiment of the present invention, the blocking bar may include an upper blocking bar and a lower blocking bar connected to each other in line with each other; an upper rotation coupling part and a lower rotation coupling unit formed at the lower end of the upper blocking bar and the upper end of the lower blocking bar, respectively, so that the upper blocking bar and the lower blocking bar are rotatably connected in the forward and backward directions; And an upper stopper and a lower stopper formed in the upper rotation coupling part and the lower rotation coupling portion, respectively, in contact with each other in a state where the upper blocking bar and the lower blocking bar are arranged in a row to limit the bending of the lower blocking bar toward the crosswalk. made including

In an embodiment of the present invention, a gear portion configured to engage with each other is formed at the upper end of the two blocking bars, and the drive unit includes a drive motor installed inside the post; and a power transmission unit connecting the driving motor and any one gear unit of the two gear units.

In the embodiment of the present invention, on the side surfaces of the two blocking bars facing each other, inclined surfaces having a structure approaching each other toward the top and spaced apart from each other toward the bottom are formed, and the driving unit is disposed between the two blocking bars. an elevating member installed inside the post so as to be able to elevate; a driving module that is connected to the lifting member and moves the lifting member up and down; and two driving rollers installed on both sides of the lifting member and coming into contact with the inclined surfaces of the two blocking bars, respectively, so that when the lifting member rises, the driving roller rolls along the inclined surface to block the blocking. Pushing the bar spreads it laterally of the post.

According to the crosswalk safety device according to an embodiment of the present invention, the driving unit operates in conjunction with the traffic light of the crosswalk by the control unit to unfold or fold the blocking bar, thereby opening the crosswalk when the traffic light is a walking signal, and when it is a stop signal It has the effect of preventing accidents caused by jaywalking by blocking crosswalks.

The crosswalk safety device according to an embodiment of the present invention has a simple structure, and is made of a small size, so that the production and construction costs are low, and the manufacturing, construction, operation, and maintenance are easy.

1 is a view showing a state of use of a safety device for a crosswalk according to an embodiment of the present invention.
2 is a view showing a state in which the blocking bar is unfolded in FIG. 1;
Figure 3 is a schematic diagram of a safety device for a crosswalk according to an embodiment of the present invention.
4 is a view showing a state in which the blocking bar is unfolded in FIG. 3;
5 is a front view showing another embodiment of a blocking bar in a safety device for a crosswalk according to an embodiment of the present invention.
Figure 6 is a perspective view showing another embodiment of the blocking bar in the safety device for a crosswalk according to an embodiment of the present invention.
Figure 7 is a schematic diagram of a safety device for a crosswalk according to another embodiment of the present invention.
8 is a view showing a state in which the blocking bar is unfolded in FIG. 7;

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

However, the accompanying drawings may be exaggerated, omitted, or schematically illustrated for convenience of description of essential parts, and the terms and names used in the description are implicitly defined by the shape, function, role, etc. of the configuration rather than the dictionary meaning. The description of the direction is determined based on the direction first presented from the initially presented drawing, and the description of the position is determined based on the middle of each configuration or the center of the circle.

In addition, detailed descriptions of pre-registered known technologies and conventional technologies may obscure the gist, so they are omitted or replaced with simple codes or names. In addition, the specific structure, shape, shape, arrangement, size, etc. of the configuration that can be identified through the drawings, the operation of the configuration that can be inferred through the drawings, and the resulting action and effect may obscure the gist, so detailed descriptions will be omitted. Bolts, welds, holes, etc. applied for coupling between components may obscure the point and may be omitted from the drawings.

1 is a view showing a state of use of a safety device for a crosswalk according to an embodiment of the present invention, FIG. 2 is a view showing a state in which the blocking bar is unfolded in FIG. 1, and FIG. 3 is a crosswalk according to an embodiment of the present invention A schematic diagram of a safety device for a crosswalk, Figure 4 is a view showing the unfolded state of the blocking bar in Figure 3, Figure 5 is a front view showing another embodiment of the blocking bar in the crosswalk safety device according to an embodiment of the present invention, 6 is a perspective view showing another embodiment of the blocking bar in the safety device for a crosswalk according to an embodiment of the present invention.

1 to 6, the crosswalk safety device 10 according to the embodiment of the present invention largely includes a post 100, a blocking bar 200, a driving unit 300, a control unit 400, and a speed measuring device. (500).

1 and 2, two or more safety devices 10 for crosswalks according to an embodiment of the present invention are arranged along the width direction of the crosswalk to block or open the crosswalk.

The post 100 is formed in a circular or polygonal column shape and is installed to extend vertically on the ground of a sidewalk adjacent to a crosswalk.

Two blocking bars 200 are provided and rotatably coupled to upper ends of both sides of the post 100, respectively. Therefore, the lower end of the blocking part 200 is configured to be unfolded to the side of the post 100 or folded so as to be overlapped with the post 100.

As shown in FIGS. 3 and 4 , gear units 2A0 configured to mesh with each other are formed at the upper ends of the two blocking bars 200 , respectively. The two blocking bars 200 are interlocked to be unfolded or folded by the respective gear units 2A0.

In addition, as shown in FIGS. 3 and 4, a plurality of LEDs (light emitting diodes, 600) arranged along the longitudinal direction of each of the blocking bars 200 may be installed. At this time, each of the LEDs 600 is configured to be capable of color conversion into green and red, and is connected to the control unit 400 to be described later, and is configured to be lighted in green or red color by a signal of the control unit 400. Therefore, the LED 600 is lit in the same color as the traffic light 20 of the crosswalk, as shown in FIGS. 1 and 2, so that the pedestrian can easily grasp the walking signal and the stop signal of the crosswalk.

The drive unit 300 is installed on the post 100 to rotate the two blocking bars 200, and includes a drive motor 310 installed inside the post 100; and a power transmission unit 320 connecting the drive motor 310 and any one gear unit 2A0 of the two gear units 2A0.

Here, the power transmission unit 320 may be applied with various known power transmission methods such as a gear transmission method, a chain transmission method, and a belt transmission method.

The control unit 400 is connected to the traffic light 20 installed in the crosswalk and the driving unit 300 to operate the driving unit 300 according to the blinking signal of the traffic light 20.

That is, when the traffic light 20 is a walking signal, the control unit 400 operates the drive unit 300 to fold the two blocking bars 200 to open the crosswalk, and when the traffic light 20 is a stop signal, the two blocking bars 200 By operating the drive unit 300 to unfold, the crosswalk is blocked.

The control unit 400 may be provided separately inside the post 100, and may be provided in a manner using a control unit installed in the traffic light 20 as needed.

Meanwhile, a switch (not shown) connected to the controller 400 may be installed on a side of the post 100 facing the crosswalk. The switch operates the driving unit 300 so that each blocking bar 200 is folded, so that when each blocking bar 200 is unfolded in a state where a pedestrian does not completely cross the crosswalk, the pedestrian operates the switch to each blocking bar By making the 200 foldable, pedestrians can safely move to the sidewalk.

In addition, as shown in FIGS. 3 and 4 , an impact sensor 700 connected to the control unit 400 may be installed on the post 100 or the blocking bar 200 or both of them. The impact sensor 700 detects an impact applied to the post 100 or the blocking bar 200 and transmits the measured value to the control unit 400, and the control unit 400 detects an impact applied to the impact sensor ( 700) to stop the operation of the blocking bar 200 by stopping the driving unit 300 when an impact of a certain amount or more occurs according to the measured value.

The speed measuring device 500 is connected to the controller 400 and is installed around a crosswalk to measure the speed of a vehicle heading toward the crosswalk. The speed measuring device 500 may be composed of various devices capable of measuring the speed of the vehicle such as a known speed gun and transmitting the measured value to the controller 400 .

According to the speed measuring device 500, when the control unit 400 determines that the vehicle heading to the crosswalk has stopped through the speed measuring device 500 when the traffic light 20 is a walking signal, each of the blocking bars 200 By operating the driving unit 300 so as to be folded, it is possible to prevent a pedestrian accident caused by a traffic violation vehicle.

Meanwhile, in an embodiment of the present invention, the blocking bar 200 may be configured to be bendable for the safety of pedestrians.

As shown in FIG. 5, the blocking bar 200 includes an upper blocking bar 210 and a lower blocking bar 220 connected to be arranged in a line with each other; and a coil spring 230 connecting the upper blocking bar 210 and the lower blocking bar 220. At this time, it is preferable that the upper blocking bar 210 is relatively short and the lower blocking bar 220 is relatively long.

According to the structure as described above, the lower blocking bar 220 is configured to be easily bent in the upper blocking bar 210 by the elastic deformation of the coil spring 230, so that a pedestrian can use the blocking bar 200 It can prevent you from getting hit and injured.

As shown in FIG. 6, the blocking bar 200 includes an upper blocking bar 210 and a lower blocking bar 220 connected to be arranged in a line with each other; An upper rotation coupling part formed at the lower end of the upper blocking bar 210 and the upper end of the lower blocking bar 220, respectively, so that the upper blocking bar 210 and the lower blocking bar 220 are rotatably connected in the forward and backward directions ( 240) and the lower rotation coupling part 250; A rotational shaft 260 inserted through the center of the upper rotation coupling portion 240 and the lower rotation coupling portion 250; It is formed in the upper rotational coupling part 240 and the lower rotational coupling part 250, respectively, and is in contact with each other in a state where the upper blocking bar 210 and the lower blocking bar 220 are arranged in a row, so that the lower blocking bar 220 ) An upper stopper 270 and a lower stopper 280 that limit bending toward the crosswalk; And a torsion spring 290 inserted into the rotating shaft 260 to keep the upper blocking bar 210 and the lower blocking bar 220 in a line spread state.

According to the structure as described above, when each of the blocking bars 200 is unfolded in a state in which the pedestrian has not completely crossed the crosswalk, the pedestrian can safely move to the sidewalk while pushing the lower blocking bar 220, but each of the blocking bars By preventing the lower blocking bar 220 from bending toward the crosswalk in a state in which the 200 is unfolded, it is possible to prevent a pedestrian on the sidewalk from pushing the lower blocking bar 220 and jaywalking.

According to the crosswalk safety device 10 according to the embodiment of the present invention configured as described above, the driving unit 300 is operated in conjunction with the traffic light 20 of the crosswalk by the control unit 400 to block the bar 200 By unfolding or folding, it is possible to prevent accidents due to jaywalking by opening the crosswalk when the traffic light 20 is a walking signal and blocking the crosswalk when it is a stop signal.

In addition, the safety device for a crosswalk according to an embodiment of the present invention has a simple structure but is made of a small size, so that the production and construction costs are low, and the manufacturing, construction, operation and maintenance are easy.

In addition, the crosswalk safety device according to an embodiment of the present invention can be used for preventing the entry of vehicles such as a bollard by installing a plurality of safety devices spaced apart along the width direction of the crosswalk as shown in FIGS. 1 and 2 There is an effect that can be easily applied to crosswalks of various widths by changing only the number of installations according to the width of the crosswalk.

Hereinafter, a crosswalk safety device according to another embodiment of the present invention will be described with further reference to FIGS. 7 and 8, but the same reference numerals are given to the same components as those of the previously described embodiment, and repeated description thereof is omitted. do it with

7 is a schematic diagram of a crosswalk safety device according to another embodiment of the present invention, and FIG. 8 is a view showing a state in which the blocking bar in FIG. 7 is unfolded.

As shown in FIGS. 7 and 8, according to the crosswalk safety device according to another embodiment of the present invention, the mutually facing sides of the two blocking bars 200 are closer to each other toward the top and spaced apart from each other toward the bottom. Inclined surfaces 2B0 having a structure are formed, respectively, and the driving unit 300 includes a lifting member 330, a driving module 340, and a driving roller 350.

Here, the lifting member 330 is installed inside the post 100 so as to be capable of lifting operation so as to be disposed between the two blocking bars 200 .

The drive module 340 is connected to the elevating member 330 to lift and move the elevating member 330, and includes a rack 341 formed to extend downward under the elevating member 330 and the rack It comprises a pinion (pinion, 342) installed inside the post 100 to engage with (341). At this time, although not shown, the driving module 340 further includes a motor and a power transmission device for rotating the pinion 342 .

The drive module 340 may be changed and modified into various structures, such as a structure including the rack 341 and the pinion 342, such as lifting and lowering the lifting member 330 using a cylinder.

Two drive rollers 350 are provided and installed on both sides of the elevating member 330, respectively. The two driving rollers 350 come into contact with the inclined surfaces 2B0 of the two blocking bars 200, respectively. Accordingly, the two blocking bars 200 move the driving roller 350 when the lifting member 330 rises. is rolled along the inclined surface 2B0 and spreads to the side of the post 100 by pushing up the blocking bar 200.

According to the configuration as described above, when the elevating member 330 descends, the two blocking bars 200 are folded by their own weight, thereby preventing an accident in which a pedestrian is caught between the post 100 and the blocking bar 200 It can be done, and it is possible to prevent the crosswalk safety device 10 or the object from being damaged by being caught between the post 100 and the blocking bar 200.

In the above description of the present invention, it has been described with reference to limited embodiments and drawings, but this is exemplary, and it will be apparent to those skilled in the art that various modifications and implementations are possible within the scope of the technical spirit of the present invention. Therefore, the protection scope of the present invention should be determined by the description of the claims and their equivalents.

100: post 200: blocking bar
210: upper blocking bar 220: lower blocking bar
230: coil spring 240: upper rotation coupling part
250: lower rotation coupling part 260: rotation shaft
270: upper stopper 280: lower stopper
290: torsion spring 2A0: gear part
2B0: inclined surface 300: driving unit
310: drive motor 320: power transmission unit
330: lifting member 340: drive module
341: rack 342: pinion
350: driving roller 400: control unit
500: speed meter 600: LED
700: shock sensor

Claims (8)

Post 100 installed to extend vertically on the ground;
Two blocking bars 200 rotatably installed on both upper ends of the post 100 so that the lower ends are spread to the side of the post 100 or folded so as to overlap the post 100;
a driving unit 300 installed on the post 100 to rotate the two blocking bars 200; and
A control unit 400 connected to the traffic light 20 installed in the crosswalk and the driving unit 300 to operate the driving unit 300 according to the blinking signal of the traffic light 20; including,
A switch is installed on the side of the post 100 facing the crosswalk to operate the driving unit 300 so that each blocking bar 200 is folded,
The blocking bar 200,
an upper blocking bar 210 and a lower blocking bar 220 connected in a line with each other;
An upper rotation coupling part formed at the lower end of the upper blocking bar 210 and the upper end of the lower blocking bar 220, respectively, so that the upper blocking bar 210 and the lower blocking bar 220 are rotatably connected in the forward and backward directions ( 240) and the lower rotation coupling part 250;
A rotational shaft 260 inserted through the center of the upper rotation coupling portion 240 and the lower rotation coupling portion 250;
It is formed on the upper rotational coupling part 240 and the lower rotational coupling part 250, respectively, and is in contact with each other in a state where the upper blocking bar 210 and the lower blocking bar 220 are arranged in a line, so that the lower blocking bar 220 ) An upper stopper 270 and a lower stopper 280 that limit bending toward the crosswalk; and
A torsion spring 290 inserted into the rotating shaft 260 to keep the upper blocking bar 210 and the lower blocking bar 220 in a straight line unfolded state;
On the mutually facing side surfaces of the two blocking bars 200, inclined surfaces 2B0 having a structure approaching each other toward the top and spaced apart from each other toward the bottom are formed, respectively.
The drive unit 300,
an elevating member 330 installed so as to be capable of elevating operation inside the post 100 so as to be disposed between the two blocking bars 200;
a driving module 340 connected to the lifting member 330 and operating the lifting member 330; and
Two driving rollers 350 installed on both sides of the elevating member 330 and coming into contact with the inclined surfaces 2B0 of the two blocking bars 200, respectively;
The two blocking bars 200 move to the side of the post 100 by pushing up the blocking bar 200 while the driving roller 350 rolls along the inclined surface 2B0 when the lifting member 330 rises. A safety device for a crosswalk, characterized in that it is unfolded.
According to claim 1,
As connected to the control unit 400, it is installed around the crosswalk and further comprises a speed meter 500 for measuring the speed of the vehicle heading to the crosswalk,
The control unit 400 operates the driving unit 300 so that each blocking bar 200 is folded when it is determined that the vehicle heading to the crosswalk has stopped through the speed measuring device 500 at the time of the walking signal. Safety devices for crosswalks.
delete According to claim 1,
An impact sensor 700 connected to the control unit 400 is installed on the post 100 or the blocking bar 200 or both,
The control unit 400 is a safety device for a crosswalk, characterized in that to stop the operation of the blocking bar 200 according to the measured value transmitted from the shock sensor 700.
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