KR200495680Y1 - Safety display system for controlling multiple display device - Google Patents

Abstract

Disclosed is a safety indication system capable of controlling a plurality of display devices. The master display device according to the disclosed embodiment is provided on one side of the road and is a master display device for guiding a vehicle traveling on the road. A wireless module that performs wireless communication with a plurality of slave display units provided along the road on one side, and transmits a lighting display signal to a plurality of slave display units, is provided in the housing unit and performs wireless communication with the administrator terminal, lighting from the administrator terminal A Bluetooth module for receiving the display control signal, and one or more blocking films provided to prevent electromagnetic interference between the wireless module and the Bluetooth module in the housing unit, and made of an electromagnetic wave shielding material.

Description

A safety display system that can control multiple display devices

An embodiment of the present invention relates to a safety display system capable of controlling a plurality of display devices.

In general, a safety display device is installed along the road in a place where accidents frequently occur or in a curved section of the road. However, there is a problem in that the conventional safety display devices are all turned on and thus cannot stimulate the eyes of the person or all are blinking so that the eyes of the person are stimulated, but the timing of the blinking is different, thereby confusing the eyes of the person.

Korean Patent Publication No. 10-2002019 (2019.07.19)

An object of the present invention is to provide a safety display system capable of controlling a plurality of display devices to increase visibility for a driver of a vehicle.

An object of the present invention is to provide a safety display system capable of controlling a plurality of display devices to reduce cost and energy consumption.

On the other hand, the technical tasks to be achieved in the present invention are not limited to the technical tasks mentioned above, and other technical tasks not mentioned are clearly to those of ordinary skill in the technical field to which the present invention belongs from the description below. can be understood

A master display device according to an embodiment of the present invention is provided on one side of a road and is a master display device for guiding a vehicle traveling on the road, comprising: a housing; a lighting display provided on one surface of the housing; a wireless module that is provided in the housing unit and performs wireless communication with a plurality of slave display units provided along the road on one side of the road, and transmits a lighting display signal to the plurality of slave display units; a Bluetooth module provided in the housing and performing wireless communication with a manager terminal, and receiving a lighting display control signal from the manager terminal; and one or more blocking films provided to prevent electromagnetic interference between the wireless module and the Bluetooth module in the housing, and made of an electromagnetic shielding material.

The blocking film may include a first blocking film provided in the housing unit to cross the housing unit and separating the housing unit into a first space and a second space.

The wireless module is provided in the first space, the Bluetooth module is provided in the second space, and the blocking film is provided to surround the wireless module in the first space except for a radio wave radiation part. barrier; and a third blocking film provided to surround the Bluetooth module except for a radio wave radiation portion in the second space.

The wireless module is provided at the upper end of the first space and the radio wave radiation direction is provided in the upper upper direction of the upper end of the housing, the Bluetooth module is provided at one corner of the second space and the radio wave radiation direction is the housing It may be provided in the lateral direction of the negative.

The second blocking film may be provided such that a portion at a position corresponding to the antenna of the wireless module has a larger diameter toward the upper end of the housing unit.

The master display device may include a main board provided in the first space or the second space of the housing unit; a first cable having one end electrically connected to the wireless module and the other end electrically connected to the main board; and a second cable having one end electrically connected to the Bluetooth module and the other end electrically connected to the main board, wherein the shortest distance between the first cable and the second cable is spaced apart by more than a preset threshold distance can be provided.

The wireless module is provided in the first space, the Bluetooth module is provided in the second space, the housing part is made of a metal material, and the master display unit is a radio wave of the wireless module in the housing part an opening formed in the radiating portion; a protective pad provided on the opening and made of an insulating material; and a protection pad fixing unit provided on both sides of the protection pad on the surface of the housing unit and fixing the protection pad.

The master display unit, a humidity sensor provided in the housing unit to detect the surrounding humidity; And when the humidity value sensed by the humidity sensor is greater than or equal to a preset reference humidity value, it may further include a control unit for operating the light display.

The controller may control the plurality of slave emitters in a sequential lighting control mode or a simultaneous lighting control mode according to a lighting mode control signal included in the lighting display control signal.

The plurality of slave emitters are arranged in a line along the road from the rear of the master emitter, and the sequential lighting control mode is illuminated from the first slave emitter located in the rear of the master emitter to the last slave emitter. It is a lighting control mode for sequentially operating the display, and the simultaneous lighting control mode may be a lighting control mode for simultaneously operating the lighting displays of the plurality of slave emitters.

The master display device further includes an illuminance sensor provided in the housing part and sensing ambient illuminance, and the control unit adjusts the brightness of the illuminated display according to the illuminance value sensed by the illuminance sensor, and the illuminance A brightness control value according to the value may be included in the lighting expression signal and transmitted to the slave display unit.

A safety display system according to an embodiment of the present disclosure is provided on one side of a road and includes: a master display device for guiding a vehicle traveling on the road; and a plurality of slave display units arranged in a line along the road from the rear of the master display unit, wherein the master display unit includes: a housing; a lighting display provided on one surface of the housing; a wireless module provided in the housing unit to perform wireless communication with the plurality of slave display units, and transmit a lighting display signal to the plurality of slave display units; a Bluetooth module provided in the housing and performing wireless communication with a manager terminal, and receiving a lighting display control signal from the manager terminal; and one or more blocking films provided to prevent electromagnetic interference between the wireless module and the Bluetooth module in the housing, and made of an electromagnetic shielding material.

According to an embodiment of the present invention, the humidity sensor and the illuminance sensor are provided only in the master display unit, and by controlling the lighting operation and brightness of the slave display unit through the master display unit, the cost of building a safety display system can be reduced. and energy consumed in the safety display system can be reduced. And, by controlling the master display device through the manager terminal, the manager can easily control the entire safety display system.

In addition, by controlling a plurality of slave emitters by the master emitter according to the sequential lighting control mode or the simultaneous lighting control mode, visibility for the driver of the vehicle traveling on the road can be increased, and safety accidents can be prevented.

In addition, the master display unit divides the space into a first space and a second space through a first blocking film in the housing unit, surrounds the wireless module through a second blocking film while disposing a wireless module in the first space, and a Bluetooth in the second space By wrapping the Bluetooth module through the third blocking film while disposing the module, electromagnetic interference between the wireless module and the Bluetooth module can be minimized.

On the other hand, the effects obtainable in the present invention are not limited to the above-mentioned effects, and other effects not mentioned will be clearly understood by those of ordinary skill in the art to which the present invention belongs from the description below. will be able

1 is a view showing the configuration of a safety display system according to an embodiment of the present invention,
2 is a block diagram showing the configuration of a master displayer according to an embodiment of the present invention;
3 is a perspective view showing a master display device according to an embodiment of the present invention,
4 is a diagram schematically showing a radio wave radiation portion of a wireless module in an embodiment to be disclosed;
5 is a block diagram illustrating and describing a computing environment including a computing device suitable for use in example embodiments.

Hereinafter, embodiments of the present invention will be described in more detail with reference to the accompanying drawings. Embodiments of the present invention may be modified in various forms, and the scope of the present invention should not be construed as being limited to the following embodiments. This embodiment is provided to more completely explain the present invention to those of ordinary skill in the art. Accordingly, the shapes of elements in the drawings are exaggerated to emphasize a clearer description.

The configuration of the invention for clarifying the solution to the problem to be solved by the present invention will be described in detail with reference to the accompanying drawings based on a preferred embodiment of the present invention, but the same in assigning reference numbers to the components of the drawings For the components, even if they are on different drawings, the same reference numbers are given, and it is noted in advance that the components of other drawings can be cited when necessary in the description of the drawings.

1 is a view showing the configuration of a safety display system according to an embodiment of the present invention.

Referring to FIG. 1 , the safety indication system 100 may include a master display unit 102 and one or more slave display units 104 . The master presenter 102 is communicatively connected to one or more slave presenters 104 through a communication network (not shown).

In the disclosed embodiments, a communication network (not shown) includes the Internet, one or more local area networks, wide area networks, cellular networks, mobile networks, other types of networks, or It may include any combination of these networks.

In an exemplary embodiment, the master presenter 102 and the slave presenter 104 may be communicatively connected by wire, respectively. In addition, the master display unit 102 and the slave display unit 104 may be connected communicatively wirelessly, respectively.

The master display unit 102 and the slave display unit 104 may be arranged along the driving direction of the road 50 from one side of the road 50 . Accordingly, it is possible to guide the driving of the vehicle 60 traveling on the road 50 through the master display unit 102 and the slave display unit 104 . The master display unit 102 and the slave display unit 104 may each include a lighting display for guiding the driving of the vehicle.

In an exemplary embodiment, the master presenter 102 may be placed first on one side of the road 50 . That is, the master display unit 102 may be provided at a position where the vehicle 60 traveling on the corresponding road 50 sees first. The slave display 104 may be arranged in a line along the road 50 at the rear of the master display 102 . That is, the first slave display unit 104-1 is provided at the rear of the master display unit 102, and the second slave display unit 104-2 is provided at the rear of the first slave display unit 104-1. n slave emitters 104-n may be arranged along the road 50 in such a way that

The master display unit 102 may be provided to detect the surrounding humidity, and to light the lighting (illumination of the lighting display) in a preset color according to the detected humidity value. For example, when the detected humidity value is equal to or greater than a preset reference humidity value, the master display unit 102 may be provided to light the light in a preset color.

The master display unit 102 may operate the lighting for a preset lighting operation time from the point of turning on the lighting and turn off the lighting. The master emitter 102 may transmit the lighting expression signal to the first slave emitter 104-1 after turning off the lighting.

The first slave emitter 104-1 receives the lighting expression signal from the master emitter 102, turns on the lighting (illumination of the lighting display), operates the lighting for a preset lighting operation time, and then turns off the lighting can do it The first slave emitter 104-1 may transmit the lighting expression signal to the second slave emitter 104-2 after turning off the lighting.

The second slave emitter 104-2 receives the lighting expression signal from the first slave emitter 104-1, turns on the lighting, operates the lighting for a preset lighting operation time, and then turns off the lighting. have. The second slave emitter 104-2 may transmit the lighting expression signal to the third slave emitter 104-3 after turning off the lighting.

In this way, it may be provided so that the lighting is sequentially turned on and off from the master emitter 102 to the n-th slave emitter 104-n. And, when the n-th slave emitter 104-n turns off the lighting after operating the lighting for a preset lighting operation time, it transmits the lighting expression signal to the master emitter 102 and starts the second from the master emitter 102. It may be provided so that the lighting is sequentially turned on and off again until the n slave display unit 104-n.

In the disclosed embodiment, the lighting control mode in which the lighting is sequentially turned on and off from the master emitter 102 to the n-th slave emitter 104-n may be referred to as a “sequential lighting control mode” .

In another embodiment, the master emitter 102 operates the lighting for a preset lighting operation time and after turning off the lighting, the first slave emitter 104-1 to the nth slave emitter 104- n) can be transmitted simultaneously. Then, the first slave emitter 104-1 to the n-th slave emitter 104-n may turn off the lighting after operating the lighting for a preset lighting operation time, respectively.

In this way, the master emitter 102 simultaneously transmits the lighting expression signal to the first slave emitter 104-1 to the n-th slave emitter 104-n, and the first slave emitter 104-1 to A lighting control mode in which the n-th slave emitter 104-n simultaneously turns on and off the lighting may be referred to as a “simultaneous lighting control mode”.

Here, the sequential lighting control mode may be used when the master emitter 102 and the slave emitter 104 are communicatively connected by wire or wirelessly. Simultaneous lighting control mode may be used when the master emitter 102 and the slave emitter 104 are wirelessly communicatively connected.

2 is a block diagram showing the configuration of a master displayer according to an embodiment of the present invention.

Referring to FIG. 2 , the master display unit 102 includes a humidity sensor 111 , an illuminance sensor 113 , a lighting display 115 , a wireless module 117 , a Bluetooth module 119 , and a control unit 121 . can do.

Humidity sensor 111 may be provided to detect the surrounding humidity of the master display unit (102). The illuminance sensor 113 may be provided to detect the illuminance around the master display unit 102 .

The lighting display 115 may operate when the humidity value detected by the humidity sensor 111 is greater than or equal to a preset reference humidity value under the control of the controller 121 . The lighting display 115 may include a lighting means capable of expressing one or more colors. In addition, the lighting display 115 may include a display for guiding the driving of the vehicle. The display may display a driving guide identification table (eg, an arrow, etc.) for guiding the driving of the vehicle on the screen. The lighting means provides lighting to the display, and the lighting color and brightness may be adjusted according to the control of the controller 121 .

The wireless module 117 may be provided to perform wireless communication with the slave presenter 104 . The wireless module 117 may transmit a lighting display signal to the slave display 104 under the control of the controller 121 . The wireless module 117 may receive a lighting expression signal from the slave emitter 104 . In an exemplary embodiment, the antenna of the wireless module 117 may be provided as a built-in in the master presenter 102, but is not limited thereto.

The Bluetooth module 119 may be provided to communicate with a manager terminal (not shown). In an exemplary embodiment, the antenna of the Bluetooth module 119 may be provided as a built-in in the master presenter 102, but is not limited thereto. The Bluetooth module 119 may receive a lighting display control signal from a manager terminal (not shown). The master presenter 102 may operate according to the lighting display control signal received by the Bluetooth module 119 .

That is, the manager can control the master display unit 102 through the manager terminal (not shown). In an exemplary embodiment, the manager terminal (not shown) may be a portable electronic device such as a smart phone or tablet PC, and an application for controlling the master display unit 102 may be installed in the manager terminal (not shown). .

For example, the lighting display control signal transmitted by the manager terminal (not shown) may include a lighting mode control signal. That is, the lighting display control signal may include a lighting mode control signal for determining whether the lighting control mode by the master emitter 102 is a sequential lighting control mode or a simultaneous lighting control mode.

The control unit 121 may control each configuration of the master display unit 102 . Specifically, when the humidity value detected by the humidity sensor 111 is greater than or equal to a preset reference humidity value, the controller 121 may turn off the lighting display 115 after operating it for a preset lighting operation time. At this time, when the lighting control mode is a sequential lighting control mode, the control unit 121 controls the lighting expression signal to be sequentially transmitted from the first slave emitter 104-1 to the n-th slave emitter 104-n. can On the other hand, when the lighting control mode is the simultaneous lighting control mode, the control unit 121 can control the lighting expression signal to be simultaneously transmitted from the first slave emitter 104-1 to the n-th slave emitter 104-n. have.

The controller 121 may adjust the brightness of the lighting display 115 according to the illuminance value detected by the illuminance sensor 113 . That is, the controller 121 may increase the brightness of the lighting display 115 as the detected illuminance value is lower. The control unit 121 may include the brightness control value in the light expression signal and transmit it to the slave display unit 104 . In this case, the brightness of the master emitter 102 and each slave emitter 104 can be equally controlled according to the illuminance value detected by the illuminance sensor 113 .

That is, the humidity sensor 111 and the illuminance sensor 113 are provided only in the master display unit 102, and by controlling the lighting operation and brightness of the slave display unit 104 through the master display unit 102, safety display It is possible to reduce the cost of building the system 100 , and it is possible to reduce energy consumed in the safety display system 100 .

Accordingly, the slave display unit 104 may include only some of the components of the master display unit 102 (eg, a lighting display unit, an antenna, and a control unit, etc.). In this case, by controlling the master display unit 102 through the manager terminal (not shown), the manager can easily control the entire safety display system 100 .

3 is a perspective view showing a master display device according to an embodiment of the present invention.

Referring to FIG. 3 , the master display unit 102 includes a housing unit 131 , a first blocking film 133 , a second blocking film 135 , a third blocking film 137 , a main board 139 , and a wireless module 117 . ), and a Bluetooth module 119 .

The housing unit 131 may constitute the exterior of the master display unit 102 . The housing part 131 may serve to protect each component provided therein from the external environment. In an exemplary embodiment, the housing part 131 may have a rectangular parallelepiped shape, but the shape is not limited thereto. In addition, the housing part 131 may be made of a metal material, but is not limited thereto. A lighting display 115 may be provided on one surface of the housing 131 .

The first blocking film 133 may be provided in the housing 131 by connecting one inner wall of the housing 131 and the other inner wall of the housing 131 . That is, the first blocking film 133 may be provided to cross the inside of the housing part 131 . The first blocking film 133 may divide the inside of the housing part 131 into a first space S1 (upper space) and a second space S2 (lower space). In an exemplary embodiment, the first blocking layer 133 may be formed of an electromagnetic wave shielding material.

Here, the wireless module 117 may be provided in the first space S1 in the housing unit 131 , and the Bluetooth module 119 may be provided in the second space S2 within the housing unit 131 . At this time, as the wireless module 117 and the Bluetooth module 119 are spatially separated through the first blocking film 133 and electromagnetic waves are blocked through the first blocking film 133 , the wireless module 117 and the Bluetooth module (119) It is possible to primarily prevent electromagnetic interference.

The second blocking film 135 may be provided in the first space S1 in the housing 131 . The second blocking film 135 may be provided to surround the wireless module 117 in the first space S1 . In an exemplary embodiment, the wireless module 117 may be provided on the upper side in the first space S1. In addition, the radio wave radiation direction of the wireless module 117 may be provided in the upper upper direction of the housing unit 131 .

The second blocking film 135 may be provided to surround a portion of the wireless module 117 excluding the radio wave radiation portion. In this case, the second blocking film 135 may constitute a housing of the wireless module 117 . In an exemplary embodiment, the second blocking layer 135 may be formed of an electromagnetic wave shielding material.

A portion of the second blocking film 135 at a position corresponding to the antenna 117a of the wireless module 117 may be provided such that its diameter increases toward the top. Accordingly, the antenna 117a collects output frequencies when transmitting radio waves and transmits them to the outside to increase output efficiency, and since the antenna 117a collects and receives input frequencies when receiving radio waves, the input efficiency can also be increased.

The third blocking film 137 may be provided in the second space S2 in the housing 131 . The third blocking film 137 may be provided to surround the Bluetooth module 119 in the second space S2 . That is, the Bluetooth module 119 may be provided in the third blocking film 137 in the second space S2 . The third blocking film 137 may be provided to surround a portion of the Bluetooth module 119 except for the radio wave radiation portion. In this case, the third blocking film 137 may constitute a housing of the wireless module 117 . The third blocking layer 137 may be formed of an electromagnetic wave shielding material.

In an exemplary embodiment, the Bluetooth module 119 may be provided at one corner of the housing unit 131 in the second space S2 . The wireless module 117 is disposed on the upper side in the first space (S1), and the Bluetooth module 119 is disposed on one corner in the second space (S2), the wireless module 117 in the housing unit 131 ) and the Bluetooth module 119 are spaced apart from each other by a certain distance or more.

In addition, the radio wave radiation direction of the Bluetooth module 119 may be provided in the side direction of the housing unit 131 . That is, the radio wave radiation direction of the Bluetooth module 119 may be provided in a direction perpendicular to the radio wave radiation direction of the wireless module 117 .

In this way, the wireless module 117 and the Bluetooth module 119 are disposed to be spaced apart from each other by a predetermined distance within the housing 131 and the radio wave radiation directions are provided perpendicular to each other, so that between the wireless module 117 and the Bluetooth module 119 . It is possible to reduce the generated electromagnetic interference.

In addition, in the disclosed embodiment, the first blocking film 133 separating the space in the housing unit 131 between the wireless module 117 and the Bluetooth module 119 into a first space S1 and a second space S2. ), electromagnetic interference between the wireless module 117 and the Bluetooth module 119 can be prevented, and the influence of the wireless module 117 on the main board 139 can be reduced.

In addition, the second blocking film 135 is provided to surround the portion except for the radio wave radiation portion of the wireless module 117, thereby reducing the effect on the main board 139 and the blue-permeable module 119 when the wireless module 117 is operated. can be further reduced.

In addition, the second blocking film 137 is provided to surround the portion except for the radio wave radiation portion of the Bluetooth module 119, thereby further reducing the effect on the wireless module 117 and the main board 139 during the operation of the Bluetooth module 119. be able to

The main board 139 is provided in the housing unit 131 and may include electronic components and circuits for controlling each configuration of the master display unit 102 . In an exemplary embodiment, the main board 139 may be provided in the second space S2 within the housing 131 , but is not limited thereto and may be provided in the first space S1 .

Here, the wireless module 117 may be electrically connected to the main board 139 through the first cable C1 . The first cable C1 may pass through the second blocking film 135 and the first blocking film 133 to be electrically connected to the main board 139 . The Bluetooth module 119 may be electrically connected to the main board 139 through the second cable C2 . The second cable C2 may pass through the third blocking film 137 to be electrically connected to the main board 139 .

In this case, the first cable C1 and the second cable C2 may be provided to be spaced apart from each other by a predetermined critical distance or more. For example, the shortest distance between the first cable C1 and the second cable C2 may be provided to be spaced apart from each other by more than a preset critical distance. In addition, the first cable C1 and the second cable C2 may be provided so as not to cross each other. In this way, as the first cable C1 and the second cable C2 are spaced apart by a predetermined threshold distance or more, frequency crosstalk can be minimized during input/output of radio signals.

On the other hand, as the wireless module 117 and the Bluetooth module 119 are provided to be built-in in the housing part 131 , the radio wave radiation part of the wireless module 117 and the Bluetooth module 119 is made of a metal housing part 131 . An opening may be formed to minimize radio wave interference caused by the . 4 is a diagram schematically illustrating a radio wave radiation portion of the wireless module 117 in one disclosed embodiment. The radio wave radiation portion of the Bluetooth module 119 may also be provided in the same or similar form.

Referring to FIG. 4 , an opening P may be formed in the radio wave radiation portion of the wireless module 117 in the housing 131 . That is, a portion of the housing portion 131 may be cut and removed in the radio wave radiation portion of the wireless module 117 to form the opening P. In addition, the protective pad 141 may be provided on the opening P. Protective pad fixing parts 143 for fixing the protective pad 141 may be provided on both sides of the protective pad 141 .

In an exemplary embodiment, the protective pad 141 may be made of a material that can transmit radio waves. That is, the protective pad 141 may be made of a material (eg, an insulating material) that does not interfere with radio waves emitted from the Bluetooth module 119 . The protection pad 141 may serve to protect the Bluetooth module 119 from the external environment. The protective pad 141 and the protective pad fixing part 143 may be each waterproofed.

5 is a block diagram illustrating and describing a computing environment 10 including a computing device suitable for use in example embodiments. In the illustrated embodiment, each component may have different functions and capabilities other than those described below, and may include additional components in addition to those described below.

The illustrated computing environment 10 includes a computing device 12 . In one embodiment, computing device 12 may be master presenter 102 . Also, the computing device 12 may be a slave presenter 104 .

Computing device 12 includes at least one processor 14 , computer readable storage medium 16 , and communication bus 18 . The processor 14 may cause the computing device 12 to operate in accordance with the exemplary embodiments discussed above. For example, the processor 14 may execute one or more programs stored in the computer-readable storage medium 16 . The one or more programs may include one or more computer-executable instructions that, when executed by the processor 14, configure the computing device 12 to perform operations in accordance with the exemplary embodiment. can be

Computer-readable storage medium 16 is configured to store computer-executable instructions or program code, program data, and/or other suitable form of information. The program 20 stored in the computer readable storage medium 16 includes a set of instructions executable by the processor 14 . In one embodiment, computer-readable storage medium 16 includes memory (volatile memory, such as random access memory, non-volatile memory, or a suitable combination thereof), one or more magnetic disk storage devices, optical disk storage devices, flash It may be memory devices, other forms of storage medium that can be accessed by computing device 12 and store desired information, or a suitable combination thereof.

Communication bus 18 interconnects various other components of computing device 12 , including processor 14 and computer readable storage medium 16 .

Computing device 12 may also include one or more input/output interfaces 22 and one or more network communication interfaces 26 that provide interfaces for one or more input/output devices 24 . The input/output interface 22 and the network communication interface 26 are coupled to the communication bus 18 . Input/output device 24 may be coupled to other components of computing device 12 via input/output interface 22 . Exemplary input/output device 24 may include a pointing device (such as a mouse or trackpad), a keyboard, a touch input device (such as a touchpad or touchscreen), a voice or sound input device, various types of sensor devices, and/or imaging devices. input devices and/or output devices such as display devices, printers, speakers and/or network cards. The exemplary input/output device 24 may be included in the computing device 12 as a component constituting the computing device 12 , and may be connected to the computing device 12 as a separate device distinct from the computing device 12 . may be

The above detailed description exemplifies the present invention. In addition, the foregoing is intended to describe preferred embodiments of the present invention, and the present invention can be used in various other combinations, changes, and environments. That is, changes or modifications are possible within the scope of the concept of the invention disclosed herein, the scope equivalent to the written disclosure, and/or within the scope of skill or knowledge in the art. The written embodiment describes the best state for implementing the technical idea of the present invention, and various changes required in specific application fields and uses of the present invention are possible. Therefore, the detailed description of the above design is not intended to limit the present invention to the disclosed embodiments. Also, the appended claims should be construed as including other embodiments.

100: safety indication system
102: master display device
104: slave display device
111: humidity sensor
113: light sensor
115: light display
117: wireless module
117a: antenna
119: bluetooth module
121: control unit
131: housing part
133: first blocking film
135: second blocking film
137: third blocking film
139 : main board
141: protective pad
143: protective pad fixing part

Claims (12)

As a master display device provided on one side of the road to guide a vehicle traveling on the road,
housing unit;
a lighting display provided on one surface of the housing;
a wireless module that is provided in the housing unit and performs wireless communication with a plurality of slave display units provided along the road on one side of the road, and transmits a lighting display signal to the plurality of slave display units;
a Bluetooth module provided in the housing and performing wireless communication with a manager terminal, and receiving a lighting display control signal from the manager terminal; and
It is provided in the housing to prevent electromagnetic interference between the wireless module and the Bluetooth module, and includes one or more blocking films made of an electromagnetic wave shielding material,
The barrier is:
a first blocking film provided across the housing in the housing and separating the housing into a first space and a second space;
a second blocking film provided to surround the wireless module except for a radio wave radiation portion in the first space; and
and a third blocking film provided to surround the Bluetooth module except for a radio wave radiation portion in the second space,
The wireless module is provided at the upper end of the first space and the radio wave radiation direction is provided in the upper upper direction of the upper end of the housing,
The Bluetooth module is provided at one corner of the second space and the radio wave radiation direction is provided in the side direction of the housing unit, the master displayer.
delete delete delete The method according to claim 1,
The second blocking film,
A portion at a position corresponding to the antenna of the wireless module is provided such that the diameter increases toward the upper end of the housing unit, the master displayer.
As a master display device provided on one side of the road to guide a vehicle traveling on the road,
housing unit;
a lighting display provided on one surface of the housing;
a wireless module that is provided in the housing unit and performs wireless communication with a plurality of slave display units provided along the road on one side of the road, and transmits a lighting display signal to the plurality of slave display units;
a Bluetooth module provided in the housing and performing wireless communication with a manager terminal, and receiving a lighting display control signal from the manager terminal; and
It is provided to prevent electromagnetic interference between the wireless module and the Bluetooth module in the housing unit, and includes one or more blocking films made of an electromagnetic wave shielding material,
The barrier is:
a first blocking film provided across the housing in the housing and separating the housing into a first space and a second space;
a second blocking film provided to surround the wireless module except for a radio wave radiation portion in the first space; and
and a third blocking film provided to surround the Bluetooth module except for a radio wave radiation portion in the second space,
The wireless module is provided in the first space,
The Bluetooth module is provided in the second space,
The master presenter is:
a main board provided in the first space or the second space of the housing part;
a first cable having one end electrically connected to the wireless module and the other end electrically connected to the main board; and
Further comprising a second cable having one end electrically connected to the Bluetooth module and the other end electrically connected to the main board,
The shortest distance between the first cable and the second cable is provided to be spaced apart by more than a preset critical distance, the master displayer.
As a master display device provided on one side of the road to guide a vehicle traveling on the road,
housing unit;
a lighting display provided on one surface of the housing;
a wireless module that is provided in the housing unit and performs wireless communication with a plurality of slave display units provided along the road on one side of the road, and transmits a lighting display signal to the plurality of slave display units;
a Bluetooth module provided in the housing and performing wireless communication with a manager terminal, and receiving a lighting display control signal from the manager terminal; and
It is provided in the housing to prevent electromagnetic interference between the wireless module and the Bluetooth module, and includes one or more blocking films made of an electromagnetic wave shielding material,
The barrier is:
a first blocking film provided across the housing in the housing and separating the housing into a first space and a second space;
The wireless module is provided in the first space,
The Bluetooth module is provided in the second space,
The housing part is made of a metal material,
The master presenter is:
an opening formed in the radio wave radiation portion of the wireless module in the housing unit;
a protective pad provided on the opening and made of an insulating material; and
On the surface of the housing part, provided on both sides of the protective pad and further comprising a protective pad fixing part for fixing the protective pad, master displayer.
The method according to claim 1,
The master display device,
a humidity sensor provided in the housing and sensing ambient humidity; and
When the humidity value detected by the humidity sensor is greater than or equal to a preset reference humidity value, the master display device further comprising a control unit for operating the light display.
9. The method of claim 8,
The control unit is
Controlling the plurality of slave emitters in a sequential lighting control mode or simultaneous lighting control mode according to the lighting mode control signal included in the lighting display control signal, the master emitter.
10. The method of claim 9,
The plurality of slave display units are arranged in a line along the road from the rear of the master display unit,
The sequential lighting control mode is a lighting control mode that sequentially operates the lighting display from the first slave emitter located at the rear of the master emitter to the last slave emitter,
The simultaneous lighting control mode is a lighting control mode for simultaneously operating the lighting display of the plurality of slave emitters, the master emitter.
9. The method of claim 8,
The master display device,
Further comprising an illuminance sensor provided in the housing portion and sensing ambient illuminance,
The control unit is
A master display device that adjusts the brightness of the illuminated display according to the illuminance value detected by the illuminance sensor, and transmits the brightness control value according to the illuminance value to the illumination display signal to the slave display.
a master display device provided on one side of the road and for guiding a vehicle traveling on the road; and
It includes a plurality of slave emitters arranged in a line along the road at the rear of the master emitter,
The master presenter is:
housing unit;
a lighting display provided on one surface of the housing;
a wireless module that is provided in the housing unit and performs wireless communication with a plurality of slave display units provided along the road on one side of the road, and transmits a lighting display signal to the plurality of slave display units;
a Bluetooth module provided in the housing and performing wireless communication with a manager terminal, and receiving a lighting display control signal from the manager terminal; and
It is provided to prevent electromagnetic interference between the wireless module and the Bluetooth module in the housing unit, and includes one or more blocking films made of an electromagnetic wave shielding material,
The barrier is:
a first blocking film provided across the housing in the housing and separating the housing into a first space and a second space;
a second blocking film provided to surround the wireless module except for a radio wave radiation portion in the first space; and
and a third blocking film provided to surround the Bluetooth module except for a radio wave radiation portion in the second space,
The wireless module is provided at the upper end of the first space and the radio wave radiation direction is provided in the upper upper direction of the upper end of the housing,
The Bluetooth module is provided at one corner of the second space and the radio wave radiation direction is provided in the side direction of the housing unit.

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