KR20060068273A - Footpath block and system for guiding visual disability with pedestrian guide light lamp - Google Patents

Abstract

Disclosed are a visually handicapped person guide system and a system for combining walking guidance lighting. The apparatus of the present invention includes a wireless transceiver for communicating with a visually handicapped portable device in a block housing installed on a sidewalk, a photoelectric conversion unit for converting light energy into electrical energy, an illumination unit for turning on and off a walking guidance display, and An energy accumulator for storing the electrical energy provided to the photoelectric conversion unit and providing the stored energy as a power supply voltage, and in response to the visually impaired access, communicate with the portable device of the visually impaired through the wireless transceiver to transmit a guide code. When detecting below a predetermined illuminance, the controller is provided to turn on the lighting unit and visually display a walking guide light.

Therefore, it can be used as a guide for visually impaired people in normal times, pedestrian walkways at night as pedestrian guidance lighting, and underground structures can be used as emergency induction lights in case of emergency.

Description

Footpath Block and System for guiding Visual Disability with Pedestrian guide Light Lamp}

1 is a block diagram of a visual guidance system for persons with visual impairment combined with walking guidance lighting according to the present invention.

Figure 2 is a block diagram of a preferred embodiment of the guide walkway block according to the present invention.

Figure 3 is a block diagram of a preferred embodiment of a visually handicapped portable device according to the present invention.

Figure 4 is a view showing a state in which the guide walkway block according to the present invention installed in the subway platform.

Figure 5 is a view showing a state in which the guide walkway block according to the present invention is installed on the intersection crosswalk safety line.

6 is a flow chart for explaining the operation of the guide walkway block according to the present invention.

7 is a flow chart for explaining the operation of the visually handicapped portable device according to the present invention.

The present invention relates to a visually handicapped guided walkway block and system combined with pedestrian guidance lighting, and more particularly, to a device that can be installed in a structure such as a sidewalk or subway or underpass, and can operate as an emergency induction light in case of a disaster such as guidance and fire of the visually impaired. will be.

In recent years, metros have been built as the main means of public transportation. Therefore, in the environment where many citizens use the subway every day, there is a growing interest in safety facilities in underground structures.

In particular, underground structures, such as subway stations, are installed with facilities such as emergency guidance to evacuate to the ground in the event of a fire or earthquake, and safety facilities such as a safety walkway block and a blind person guide block on the platform in the history.

In addition, the pedestrian walkway line adjacent to the pedestrian crossing on the ground is provided with uneven walkway blocks for the visually impaired to guide the walk of the disabled.

Korean Utility Model Registration No. 20-208447 discloses a walking guide device for the visually impaired. The present invention discloses a technique of providing a walk guide with vibration to a visually impaired person by installing a transmitter that emits a signal in a sidewalk block and a receiver and a vibrator in a cane.

However, the conventional devices are installed separately, so that the installation cost is double invested, or the effective arrangement of the safety facility device is difficult.

SUMMARY OF THE INVENTION An object of the present invention is to provide a visually impaired guided walkway block combined with a pedestrian guided light incorporating an illumination or emergency induction light and a visually impaired guide device to solve the problems of the prior art.

It is another object of the present invention to provide a visually impaired guidance system for both walk and walk guidance lighting capable of voice notification of walking guidance and improved walking guidance.

In order to achieve the above objects, the apparatus of the present invention provides a wireless transceiver for communicating with a visually handicapped portable device in a block housing installed on a sidewalk, a photoelectric conversion unit for converting light energy into electrical energy, and a walking guidance display. An off-illumination unit, an energy storage unit for storing electrical energy provided to the photoelectric conversion unit, and providing the stored energy as a power supply voltage, and communicating with the visually handicapped portable device through the wireless transceiver in response to the visually handicapped person. It is characterized in that the control unit for transmitting the guide code, and when detecting below a predetermined illuminance, the lighting unit is turned on to visually display the walking guide light.

In the present invention, it is preferable that the sidewalk block housing is formed with a recess in the center of the block in which the irregularities are formed on the surface for the visually impaired. Maintain uneven structure at the periphery.

In the present invention, the guide code preferably has a specific guide code value corresponding to the installation location and environment of the sidewalk block. In particular, the visually impaired can be notified to the visually impaired where they are at the crossroads such as Yellow Danbodo and in which direction they can go after crossing the crosswalk. You can check whether it is correct.

In addition, the sidewalk block is installed in an underground structure such as a subway platform, the guide code includes an emergency evacuation guide code value when detecting below the predetermined illuminance. In particular, since the sidewalk block of the present invention is installed on the floor, it can be turned on in case of a disaster such as a fire to display an emergency evacuation direction, so that the escape direction can be accurately guided when escaping by escaping the floor in a situation where the front of the smoke is not visible.

In the present invention, the wireless transceiver of the sidewalk block detects power energy applied from the outside and stores the operating electrical energy, and is operated by the electrical energy accumulated in the energy receiving unit. And a data transceiver for demodulating and decoding a wirelessly received data signal, the data transceiver being operated by electrical energy stored in the energy receiver, receiving the received data provided from the data transceiver, generating a guide code, and generating the guide code. It includes a transmission and reception control unit for providing the guide code. More specifically, it is preferable to configure a passive RFID label or chip of 13.56 MHz in terms of reducing power consumption, but may be configured as an active RFID label or other proximity wireless communication circuit. That is, it is preferably configured as a wireless communication circuit having a sensing area of a radius of about 0 to 50 centimeters within a predetermined distance.

In the present invention, it is preferable that the transmission / reception control unit of the wireless transmission / reception unit of the sidewalk block is generated by including the emergency evacuation guide code value in response to the detection below the predetermined illuminance of the control unit.

In the present invention, the lighting unit of the sidewalk block comprises at least one or more light emitting diodes and a surface lighting device including an arrow-shaped light guide plate in which light emitted from the light emitting diodes is incident to the side and emitted to the upper surface, thereby reducing power consumption. Can be.

In the present invention, the photoelectric conversion unit is composed of a solar cell converts light into electrical energy under daytime or underground lighting, the energy storage unit is composed of a large capacity charging capacitor or storage battery. When installed in an underground structure and used as an emergency induction lamp, it operates only during a disaster such as a fire, so it is possible to reduce the manufacturing cost by constructing a large capacity capacitor. However, when installed in a pedestrian walkway adjacent to the pedestrian crossing on the ground, it is preferable to configure the energy storage unit with a rechargeable battery for displaying a walking guidance light at night.

The system of the present invention is installed on a pedestrian walkway, accumulates electrical energy through a photoelectric conversion unit to obtain an operating voltage, and transmits a visually handicapped guide code through a wireless transceiver to respond to visually impaired access, and induce pedestrians in response to ambient illumination. A plurality of visually handicapped guided walk-through blocks that turn on an indicator light and include an emergency evacuation guide code value in the guide code, and are carried by the visually handicapped person and periodically radiate power energy to be within a predetermined radiation range of the power energy. And a visually handicapped person receiving the guide code transmitted from the guide press block and outputting a walking guide as a voice in response to the received guide code.

In the present invention, the visually handicapped portable device is installed in the wand-type housing and the lower end of the housing, periodically radiates power energy, wirelessly transmits a call data signal, and receives a response data signal to restore the guide code value. A wireless transceiver, a voice synthesizer installed in the housing and configured to generate a voice guide signal corresponding to the guide code value, and installed at an upper end of the housing and amplifying the voice guide signal to output voice through a speaker. And a controller installed in the housing and controlling the wireless transceiver in response to a user command, and receiving the restored guide code value and providing corresponding guide data to the voice synthesizer. Here, the wireless transmission and reception unit and the control unit of the portable device are preferably configured as a reader of the wireless transmission and reception unit of the sidewalk block.

In the present invention, the controller of the portable device compares the previous guide code value with the current guide code value and provides the guide data for the pedestrian traveling direction in response to the increase or decrease of the sequential value to the voice synthesizer. Therefore, the walking pedestrian can be guided to the visual pedestrian more precisely, which can greatly assist the pedestrian walking.

In the present invention, the control unit preferably provides emergency evacuation direction guide data to the voice synthesizer in response to the emergency evacuation guide code value. In particular, when a disaster occurs due to a fire in a subway platform, it is possible to accurately guide the evacuation direction to the visually impaired without the help of others.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. This embodiment may be modified in many different forms and should not be construed as limited to the embodiments set forth below, and is sufficient to enable those skilled in the art to practice the invention. It is described in detail.

Figure 1 shows the configuration of the visual combined blind and guide system according to the present invention. Referring to FIG. 1, the system of the present invention includes a gait guide light 10 for a visually impaired person with a walking guide light and a walking voice guide wand 20 carried by a visually impaired person.

Visually impaired guide block 10 is a projection 12 is formed in the periphery of the upper surface, the visually impaired guide device for both visual and visual impairment combined with walking guide lighting is mounted on the groove 14 of the center.

The housing 102 of the guide device 100 is combined with the transparent top cover 104 to form a box. In the housing 102, a solar cell 106, a surface lighting device 108, a wireless transmission / reception unit 110, a control unit 112, an energy storage unit 114, and the like are installed. The solar cell 106 and the surface lighting device 108 are disposed on the inner surface of the top cover 104.

2 is a circuit diagram showing a preferred embodiment of the guide device 100 according to the present invention. Referring to Figure 2, the wireless transceiver 110 is composed of a conventional passive RFID label or chip. The wireless transceiver 110 receives the power energy radiated from the cane 20 through the power energy receiving antenna 110a. The antenna 110a transfers the power energy received by the loop antenna to the energy receiver 110b. The energy receiver 110b receives the power radiation energy provided from the antenna to accumulate operating electrical energy to generate an operating voltage. The transmission / reception control unit 110c and the data transmission / reception unit 110d are enabled by receiving an operating voltage to start an operation. The data transmission / reception unit 110d receives data transmitted from the cane 20 through the data transmission / reception antenna 110e, demodulates or decodes the received data, and provides the received data to the transmission / reception control unit 110c. The transmission / reception control unit 110c generates a guide code in response to the decoded data, and provides the guide code to the data transmission / reception unit 110d. The data transmission / reception unit 110d encodes or modulates the guide code and transmits the guide code through the antenna 110e. The transmission and reception control unit 110c detects that an operating voltage is generated through the energy receiving unit 110b, and sets a unique guide code according to the use condition through the control unit 110b.

The solar cell 106 charges the capacitor C1 through the diode ZD1 and the inductor L1 through photoelectrically converted electrical energy. The voltage across the capacitor C1 is applied to the controller 112.

The controller 112 checks the level of the voltage across the capacitor C1 to detect peripheral illumination. When installed in an underground structure such as a subway platform, the lighting unit 108 is turned on in response to the illuminance in which the power supply inside the underground structure is stopped due to a fire. When installed on the pedestrian walkway on the ground, the lighting unit 108 is turned on at sunset illumination, and the lighting unit 108 is turned off at sunrise illumination.

The voltage across the capacitor C1 is transferred to the energy storage unit 114 via the backflow prevention diode D1. The energy accumulator 114 charges the battery B + with electrical energy provided from the solar cell 106 via the overcharge prevention circuit 114a. Energy charged in the battery B + is transferred to the regulator 115 via the over-discharge prevention circuit 114b. The regulator 115 generates a 5V operating voltage and provides it to the controller 112 and the LED driving circuit 116. The LED driving circuit 116 turns on and off the light emitting diodes by turning on / off the command of the controller 112.

The lighting unit 108 is a surface lighting apparatus composed of an arrow-shaped light guide plate 108a and a plurality of light emitting diodes 108b disposed on the side of the light guide plate 108a. The plurality of light emitting diodes 108b are driven by the LED driving circuit 116.

3 shows the internal circuit configuration of the voice guidance staff 200 according to the present invention. Referring to FIG. 3, the voice guide wand 200 includes an antenna 202, a wireless transceiver 204, a controller 206, a voice synthesizer 208, a voice output unit 210, and a power supply 212. do.

The power supply unit 212 includes a battery 212 and a power switch SW1 and generates an operating voltage of 3V when the power switch SW1 is turned on. When the start switch SW2 is turned on, the controller 206 controls the radio transmitter / receiver 204 to periodically transmit the power radiant energy and the call data signal through the antenna 202. The radio transceiver 204 is configured with a conventional 13.56 MHz RFID label reader. When response data is received through the antenna 202 in response to the call data signal, demodulation and decoding are provided to the control unit 206. The controller 206 is configured as a microprocessor and controls the speech synthesizer 208 to output a corresponding voice announcement in response to the decoded guide code. The voice synthesizer 208 generates a synthesized voice signal in response to the voice announcement data provided from the controller 206. The generated voice signal is amplified by the voice output unit 210 and output through the speaker.

4 shows an example in which the guide block according to the present invention is installed in a subway platform. In FIG. 4, safety line block blocks 310 and guide line blocks 320 are installed in a subway platform. The guide code of the safety line line blocks 310 and the guide code of the guide line blocks 320 are distinguished from each other. Corresponding to the guide code of the safety line line blocks 310, the voice guidance comment "The safety line line. Please stop" is output from the cane 20.

The guide codes of the guide blowers 320 include a sequential value that increases as the distance from the emergency stairs. Accordingly, the cane 20 outputs a voice announcement saying "Guideline. Proceed in the riding direction" if the current sequence value is larger than the previous sequence value in response to the sequence value of the guide code. When the crossing position appears while traveling in the riding direction, it encounters the block 322, and a voice guidance message is output in response to the guide code of the block 322, "Guideline crossing. The left direction is the riding position." When it is located in block 324, a voice announcement is output, "It is the end of the guide line. The left direction is the riding position."

On the contrary, if the current sequence value is smaller than the previous sequence value, the voice guide comment "This is a guide line. If the crossing position appears while going in the step direction, the block 322 is encountered, and in response to the guide code of the block 322, the voice guidance comment "Guideline crossing. Right direction is the riding position." When it is located in block 326, a voice announcement is outputted, "Guideline entrance. Right direction is riding position."

Therefore, it is possible to help evacuation of the visually impaired because it can communicate with the walking stick during a disaster such as a fire to notify the emergency stair escape direction by voice.

In an emergency such as a fire, an evacuation guide code may be sent in response to illumination detection.

In response to the evacuation guidance code, if the visually impaired person is moving in response to the evacuation guidance code, the cane may output a voice announcement saying, "It is a disaster. The stairs are in the opposite direction. Also, if you are moving in the direction of decreasing sequential value, you can output a voice announcement saying "It is a disaster. We are in the direction of the stairway, so please evacuate urgently."

5 shows an example in which the guide block according to the present invention is installed in a crosswalk access line. In FIG. 5, the guide codes of the blocks are set to different guide code values according to eight directions, and the relationship of the guidement of the wands is shown in Table 1 below.

Guide code Announcement 402 Pedestrian crossing guide. Stop. Current location is Yeoksam Subway Station Intersection. Crosswalk in the direction of Jamsil on the Hangang side. 404 Pedestrian crossing guide. Stop. Current location is Yeoksam Subway Station Intersection. Crosswalk in Yangjae direction, Gangnam. 406 Pedestrian crossing guide. Stop. Current location is Yeoksam Subway Station Intersection. This is a crosswalk in the direction of the Han River in Gangnam. 408 Pedestrian crossing guide. Stop. Current location is Yeoksam Subway Station Intersection. Crosswalk in the direction of the Jamsil side. 410 Pedestrian crossing guide. Stop. Current location is Yeoksam Subway Station Intersection. This is a crosswalk in Yangjae direction Gangnam. 412 Pedestrian crossing guide. Stop. Current location is Yeoksam Subway Station Intersection. Crosswalk in the direction of the Han River in Jamsil. 414 Pedestrian crossing guide. Stop. Current location is Yeoksam Subway Station Intersection. Crosswalk in the Jamsil-side dressing direction. 416 Pedestrian crossing guide. Stop. Current location is Yeoksam Subway Station Intersection. It is a pedestrian crossing in the direction of Gangnam on the Han River side.

In other words, as shown in Table 1, the present location is voiced at the same time as the crosswalk announcement, so that the visually impaired person can know where he is and where he will go in the future. Can give

In addition, at night, the lighting unit is turned on at the crosswalk safety line blocks 402 to 416, so that pedestrians and drivers can easily identify the crosswalk and help traffic safety. Can help.

6 shows a flowchart for explaining the operation of the guide apparatus 100 according to the present invention. Referring to FIG. 6, when the energy accumulator 114 is charged with electrical energy through the solar cell 106 and an operating voltage is obtained above a predetermined level, the controller 112 initializes the system (S602). Subsequently, the controller 112 checks the current illuminance by checking the level of the voltage across the capacitor C1 (S604). In step S604, if the detected illuminance is lowered below a certain level, if the abnormal state is recognized that the power supply to the underground structure due to fire, etc. is turned off, the LED 108b through the LED driver 116 to turn on the emergency induction lamp, that is, The lighting unit 108 is turned on (S606). In the step S604, if the detected illuminance is a normal state, the emergency induction lamp, that is, the lighting unit 108 is kept off (S608). Subsequently, it is checked whether power energy received through the wireless transmission / reception unit 110 is detected (S610). If there is no power energy detected in step S610, the process returns to step S604. When the power is detected in step S610, the wireless transmission and reception unit 110 transmits a walking guide code (S612). The walk guide code is sent out periodically until the power detection disappears.

Figure 7 shows a flow chart for explaining the operation of the portable device, that is, the wand 200 according to the present invention. Referring to FIG. 7, the cane 200 checks the turn-on of the power switch SW1 (S702). If SW1 is turned on in step S702, the controller 2060 initializes the system (S704). Then, it is checked whether the start switch SW2 is turned on (S706), and when SW2 is turned on, the controller 206 transmits the radio transmitter / receiver 204. Control periodically transmits the power radiation energy and the call signal through the antenna 202. Then, it is checked whether a walking guide code is received in response to the call signal (S710). If the code has been received, it is compared with the previously received walking guide code in step S712. In step S712, a guidance message related to the current guide code is output in consideration of the above-described sequential value, etc. (S714). If not, in step S712, a walking guidement corresponding to the currently received guide code is output (S716), and in step S716 and S714, it is checked whether SW2 is turned off (S718). SW2 turn If not, the process returns to step S708. If SW2 is turned off in step S718, the system is kept in the standby state (S720), and the turn-off of SW1 is checked in the standby state (S722). Is off, the system is terminated, or the process returns to step S706.

Although described with reference to the examples, those skilled in the art can understand that the present invention can be variously modified and changed without departing from the spirit and scope of the invention described in the claims below. There will be.

As described above, in the present invention, when the visually handicapped approach, a walking guide code is generated, and the visually handicapped person may receive a walking guide by voice.In an emergency such as a night or a fire, a walking guidance light display or an emergency induction lamp for instructing an emergency exit is provided. Because it can be used as a sidewalk or subway, it can be used for multi purpose.

In addition, when the pedestrian crossing safety line is installed at night, the pedestrian and driver can visually display the pedestrian crossing to help traffic safety and help to beautify the night view of the city.

In addition, the voice notification of the current location and the direction to be taken can help the visually impaired people to move along the sidewalk.

Claims (10)

A block housing installed on the sidewalk; A radio transceiver configured to be installed in the housing and to communicate with a visually handicapped portable device; A photoelectric conversion unit installed on a surface of the housing to convert light energy into electrical energy; An illumination unit installed on a surface of the housing to turn on and off a walking guide display; An energy accumulator installed in the housing and storing electrical energy provided to the photoelectric conversion unit and providing the stored energy as a power supply voltage; Is installed in the housing, in response to the visually impaired access to communicate with the portable device of the visually impaired through the wireless transmitting and receiving the guide code, when detecting below a certain illuminance to illuminate the lighting unit to visually display the walking guidance light A visually impaired guided walkway block for both visual and visual impairments, comprising: a control unit having; The method of claim 1, wherein the guide code The visually impaired guided walkway block for visually impaired persons, having a specific guide code value corresponding to the installation location and environment of the sidewalk block. The method of claim 1, wherein the sidewalk block is Installed in underground structures such as subway platforms, The guide code is a visual aid for the visually impaired walkway, characterized in that it comprises an emergency evacuation guidance code value when detecting below the predetermined illuminance. According to claim 1, wherein the wireless transceiver An energy receiver which detects power energy applied from the outside and stores operating electric energy; A data transmitting / receiving unit which is operated by electrical energy accumulated in the energy receiving unit, wirelessly encodes and modulates a guide code, and demodulates and decodes a wirelessly received data signal; It is operated by the electrical energy stored in the energy receiving unit, receiving the received data provided from the data transmission and reception unit for generating a guide code, characterized in that it comprises a transmission and reception control unit for providing the guide code to the data transmission and reception unit A visually impaired walkway block with pedestrian guidance light. The transmitter and receiver of claim 4, wherein The visually impaired guided walkway block for both visual and visual impairments of the control unit, wherein the guide code is generated by including an emergency evacuation guide code value in response to the detection of the predetermined illuminance of the controller. The method of claim 1, wherein the lighting unit At least one or more light emitting diodes; And The visually impaired guided walkway block for both visual and visual impairments, comprising: a light guide plate having an arrow-shaped light guide plate incident on the side surface and emitting light emitted from the light emitting diode. It is installed in the pedestrian walkway, accumulates electrical energy through the photoelectric conversion unit to obtain the operating voltage, sends the visually impaired guide code through the wireless transceiver to respond to the visually handicapped person, turns on the pedestrian guidance light in response to the ambient light, A plurality of visually handicapped guide coverage blocks configured to include the emergency evacuation guide code value in the guide code and to transmit the guide code value; And The visually impaired person carries, periodically radiates power energy, receives the guide code transmitted from the guide walkway block within a predetermined radiation range of the power energy, and outputs a walking guide by voice in response to the received guide code. A visually impaired guidance system for both walk and walklights, comprising: a handicapped person. The method of claim 7, wherein the visually handicapped portable device Cane housing; A radio transceiver configured to be installed at a lower end of the housing, to radiate power energy periodically, to wirelessly transmit a call data signal, and to receive a response data signal to restore guide code values; A voice synthesizer installed in the housing and configured to generate a voice guide signal corresponding to the guide code value; A voice output unit installed at an upper end of the housing and configured to amplify the voice guide signal and output voice through a speaker; And A walking guide installed in the housing, the controller configured to control the wireless transceiver in response to a user command, and to receive the restored guide code value and provide corresponding guide data to the voice synthesizer. Visually Handicapped Information System The method of claim 8, wherein the control unit The visually impaired guidance system for a visually impaired pedestrian combined with a guiding light comprising: providing a guide data for a pedestrian traveling direction in response to an increase or decrease of a sequential value by comparing a previous guide code value with a current guide code value. The method of claim 8, wherein the control unit A visually impaired guide system for both visual and visual impairments, comprising providing emergency evacuation direction guidance data in response to the emergency evacuation guidance code value.

Images