JP3032369B2 - Two-way information transmission system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a system for bidirectionally transmitting information between a worker arranged in a construction site and a site office installed in a predetermined place in the construction site. It is about.

[0002]

2. Description of the Related Art For example, at a construction site, whether or not the current interior / exterior is being implemented as originally designed in accordance with the progress of the construction is created by drawings or computer graphics (hereinafter abbreviated as CG). It may be compared with the completion schedule screen. Conventionally, for example, a worker in a building constructed at a construction site has a drawing at hand, or a monitor screen is installed near the worker and created with the drawing or the CG. Display the completion schedule screen etc.,
It was to assist in judging the enforcement status.

[0003] In addition, when judging whether the enforcement state is appropriate or not at a site office or the like remote from the building, a television camera that can be remotely operated is installed in the building, and the television camera is controlled by the television camera. While viewing the image on a monitor television set in a site office or the like, an instruction was given to a worker in a building using a portable wireless device or the like.

[0004]

However, in the method in which the worker holds a drawing or the like at least, at least one hand of the worker is blocked by the drawing, and for example, the drawing is compared with the actual state of operation. There was a problem that the work efficiency at the time of giving some instructions based on the result was reduced. In a method of installing a monitor screen near the worker and displaying a drawing or a screen to be completed created by the CG on the monitor screen, the CG screen or the like is compared with an actual enforcement state. In such a case, a worker must be present near the monitor screen each time, and there is a problem that the checking operation cannot be performed at an arbitrary place.

[0005] Further, when the enforcement state is to be checked at a site such as a site office remote from the building, a remotely operable television camera must be installed at the work site. There is a problem that a complicated operation is required in order to direct the user to an intended direction by remote control.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and bidirectionally transmits video and audio information between a staff at a site office and a worker located away from the site office. A two-way information transmission system that allows workers in the building to check the enforcement state of the interior and exterior of the building at any location, or at a site office remote from the workers, etc. The purpose is to provide.

[0007]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a bidirectional communication between a worker in a construction site and a site office installed at a predetermined place in the construction site. A system for transmitting information, the first monitor device carried by the worker, and carried by the worker,
A first television camera that captures an image of substantially within the field of view of the worker, and is carried by the worker, receives an external television-type wireless video signal, and displays the received video on the first monitor device; A first signal transmitting / receiving device for converting an image captured by the first television camera into a wireless video signal of a television system and outputting the signal to the outside; a second monitor device and a second television provided in the site office A camera, provided in the building site, receiving a wireless video signal of a first television camera output from the first signal transmitting / receiving device, displaying the received video on the second monitor device, and A second signal transmission / reception device for converting a video taken by a television camera into a television-type wireless video signal and outputting the converted signal to the first signal transmission / reception device; Is located in a multi-story building constructed in a place, the second signal transmitting and receiving device includes a receiving antenna and a transmitting transmitter, and the receiving antenna and the transmitting transmitter are provided for each floor in the multi-story building. Provided, even if the worker is located at any level in the multi-story building, the first signal transmitting / receiving device carried by the worker is provided at the level where the worker is located. And transmitting and receiving the wireless video signal between the receiving antenna and the transmitting transmitter.

Further, the present invention further comprises a transmission / reception device carried by the worker, a microphone and a speaker provided in the site office, wherein the first signal transmission / reception device comprises an external wireless audio signal. Is output to the receiver, and the sound collected by the transmitter is configured to be converted to a wireless sound signal and output to the outside, and the second signal transmitting / receiving device is Receiving the sound collection sound signal of the transmission device output from the first signal transmission / reception device and outputting the sound collection signal to the speaker, and converting the sound collected by the microphone into a wireless sound signal, It is characterized by being configured to output to one signal transmitting / receiving device.

Further, the present invention further comprises a helmet worn on the head of the worker, wherein the first monitor device is held by the helmet so as to be positioned on the line of sight of the worker. The first television camera is held by the helmet so as to be directed in the line of sight of the worker.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an explanatory diagram showing a schematic configuration of a bidirectional information transmission system according to an embodiment of the present invention, and FIG. 2 is an explanatory diagram showing a schematic configuration of a helmet in the bidirectional information transmission system of FIG. In FIG. 1, reference numeral 10 denotes an operator located on a certain floor G in a multi-story building constructed on a building site, and reference numeral 20 denotes a site office installed at a predetermined place in the building site. is there.

The worker 10 wears a helmet 30 on the head H, and a left monitor of the helmet 30 is provided with a first monitor such as a small liquid crystal display via a rotatable arm 35. The device 36 is held so as to be located in front of the left eye of the worker 10. The helmet 30
A first television camera 37 composed of a small camera such as a CCD camera is held on the left side of the camera.

Further, as shown in FIG. 1, a headphone 31 as a telephone receiver is held on the right side of the helmet 30, and a microphone 33 as a telephone transmitter is provided via an arm 32 extending from the headphone 31. When the helmet 30 is worn, the headphone 31 is placed on the right ear of the worker 10 and the microphone 33
Are located at the mouths of the workers 10, respectively.
In this embodiment, the headphone 31 and the microphone 33 constitute a transmission / reception device.

The worker 10 carries a first signal transmitting / receiving device 40 on his / her back. The first signal transmission / reception device 40 is for transmitting and receiving video and audio signals wirelessly using, for example, UHF (ultra-high frequency), and includes a transmission antenna 42 provided at an upper portion of a housing 41 and And a receiving antenna (not shown) disposed therein.
The headphones 31, the microphone 33, the first monitor device 36, and the first television camera 37 are connected.

Although not shown, the first signal transmitting / receiving device 40 demodulates an external UHF radio signal and outputs it to the headphones 31 and the first monitor device 36;
The housing 41 includes a transmission unit that modulates an audio signal collected by the microphone 33 or a video signal captured by the first television camera 37 and outputs the modulated signal to the outside.

On the other hand, in FIG.
Reference numeral 2 denotes a transmission transmitter, which is disposed for each floor G in the multi-story building. A television receiver 70 installed in the site office 20 is connected to the receiving antenna 51 via a coaxial cable 61, and a transmission transmitter 52 is installed in the site office 20 via a coaxial cable 62. Microphone 81 and the second television camera 82 are connected.

The television receiver 70 includes a receiving section (not shown) for demodulating a radio signal based on VHF (ultra high frequency) or UHF, a cathode ray tube 71 for displaying an image based on a video signal demodulated by the receiving section, and a receiving section. And a speaker 72 that sounds in response to an audio signal demodulated by the unit. In the present embodiment, the cathode ray tube 71 corresponds to a second monitor device, and a receiving unit (not shown), the receiving antenna 51 and the transmitting transmitter 52 in the television receiver 70 constitute a second signal transmitting / receiving device.

Next, using the two-way information transmission system of the present embodiment configured as described above, the site office 20 determines whether or not the interior and exterior of the multi-layer building are implemented as originally designed. A case where the determination is made will be described. First, the worker 10 arranged on a certain floor G in a multi-story building wears the helmet 30 on the head H, further carries the first signal transmitting / receiving device 40 on the back, and puts the head H in the enforced state. Point towards the object to be checked.

Next, for example, the first signal transmitting / receiving device 40
Switch (not shown) provided in the
The television camera 37 and the microphone 33 are operated to photograph the object and the state of the worker 10 in the vicinity substantially in the field of view, and the microphone 33 collects sound such as a situation report spoken by the worker 10, The video and audio signals are transmitted via a cable (not shown) to the first
The signal is transmitted to the signal transmitting / receiving device 40.

The first television camera 37 and the microphone 33
The first signal transmission / reception device 40 to which the video and audio signals from are input, converts the video and audio signals into a UHF band television-type wireless signal and outputs the signal from the transmitting antenna 42 to the air. The radio signal from the first signal transmission / reception device 40 is received by a reception antenna 51 disposed on the floor G where the worker 10 is located, and then received by the coaxial cable 6.
1, is input to the television receiver 70 of the site office 20, and is further demodulated by the receiving unit in the television receiver 70, thereby showing a state inside the multi-layered building photographed by the first television camera 37. An image is displayed on the cathode ray tube 71, and a sound such as a status report of the worker 10 collected by the microphone 33 is output from the speaker 72.

Therefore, a person who monitors the construction state at the site office 20 gives an instruction on the future work and an instruction to change the directing direction of the first television camera 37 to the microphone 8.
The second television camera 82 captures visual information such as design drawings and other pictures and characters. Then, the microphone 81 and the second television camera 8
2 are transmitted to the transmission transmitters 52 arranged on each floor G via the coaxial cable 62, and output from the transmission transmitters 52 to the air.

The radio signal output from the transmission transmitter 52 on the floor G where the worker 10 is located is transmitted to the housing 4 of the first signal transmitting / receiving device 40 carried by the worker 10.
1, after being received by a receiving antenna (not shown), the signal is input to a receiving unit (not shown) and demodulated.
Design drawings and other pictures taken by the TV camera 82,
Visual information such as characters is displayed on the first monitor device 36, and a sound such as an instruction on a future work collected by the microphone 81 is output from the headphones 31. Therefore, the worker 10 operates the display screen of the first monitor device 36 and the headphones 3.
The subsequent work is performed on the basis of an instruction on the future work heard from 1.

When the worker 10 checks the state of construction, drawings or materials required for the check are verbally requested, and this sound is transmitted to the site office 20 side. Upon receipt of the request sound of the worker 10 output from 72, the staff of the site office 20 captures visual information such as design drawings and other pictures and characters with the second television camera 82 according to the request, and 1 to display information on the monitor device 36, or to provide an audio and video information to the worker 10 by responding verbally using the microphone 81 and outputting the information from the headphone 31.
Checks the construction status.

As described above, in the two-way information transmission system of this embodiment, the worker 10 and the site office 2 in the multi-story building
Since the video and audio information can be transmitted bidirectionally with the personnel in the building 0, the worker 10 in the building G can check the enforcement state of the interior and exterior of the building at an arbitrary place or work. Can be performed at the site office 20 or the like away from the person 10

In this embodiment, the first monitor device 36 is used.
And is arranged so as to be located in front of the left eye of the worker 10, but may be one having two first monitor devices located in front of both the left and right eyes. In this embodiment, the information is also transmitted by voice between the worker 10 in the multi-story building and the personnel in the site office 20, but the configuration for that purpose is omitted, and Only the configuration for performing bidirectional transmission may be used. Further, the headphone 31 and the microphone 33 may be held by a headband or the like other than the helmet 30, or may be attached to a part other than the head H such as the shoulder, the waist, and the arm of the worker 10. It may be held by a holding member.

The monitor installed at the site office 20 may be a simple display or the like in addition to the television receiver 70 as in the present embodiment. Not limited. Further, the receiving antenna 51 and the transmitting transmitter 52 do not have to be provided for each floor G of the multi-story building, and it goes without saying that the present system can be used at a building site other than the multi-story building.

As described above, according to the present invention, a system for bidirectionally transmitting information between a worker in a construction site and a site office installed at a predetermined place in the construction site. A first monitor device carried by the worker, a first television camera carried by the worker to image substantially within the field of view of the worker, and a first television camera carried by the worker, Receiving a wireless video signal of a television system and displaying the received video on the first monitor device;
A first signal transmitting / receiving device for converting an image captured by the first television camera into a wireless video signal of a television system and outputting the signal to the outside; a second monitor device and a second television provided in the site office A camera, provided in the building site, receiving a wireless video signal of a first television camera output from the first signal transmitting / receiving device, displaying the received video on the second monitor device, and A second signal transmitting / receiving device that converts an image captured by a television camera into a television-type wireless video signal and outputs the converted signal to the first signal transmitting / receiving device, wherein the worker is built at the building site. The second signal transmitting and receiving device is provided with a receiving antenna and a transmitting transmitter, and the receiving antenna and the transmitting transmitter are arranged in the multi-layer building. The first signal transmission / reception device carried by the worker is provided for each level in the building, and the worker is located at any level in the multi-story building. The transmission / reception of the wireless video signal can be performed between the reception antenna and the transmission transmitter provided in the hierarchical level. For this reason, it is possible to bidirectionally transmit video and audio information between the staff of the site office and the worker located away from the site office. The confirmation can be performed by an operator in the building at an arbitrary place, or at a site office remote from the operator.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram illustrating a schematic configuration of a bidirectional information transmission system according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram showing a schematic configuration of a helmet unit of the bidirectional information transmission system of FIG.

[Description of Signs] 10 Worker 20 Field Office 30 Helmet (Holding Means) 31 Headphone (Receiver) 33 Microphone (Transmitter) 36 First Monitor 37 First TV Camera 40 First Signal Transceiver 51 Reception Antenna (Second signal transmitting / receiving device) 52 Transmitting transmitter (second signal transmitting / receiving device) 71 CRT (second monitor device) 72 Speaker 81 Microphone 82 Second television camera G Floor H Head

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H04N 7/18 H04N 7/173

Claims (3)

(57) [Claims] 1. A system for bidirectionally transmitting information between a worker in a building site and a site office installed at a predetermined location in the building site, wherein the system is portable by the worker. A first monitor device carried by the worker, a first TV camera carried by the worker and imaging substantially within the field of view of the worker, and a wireless video signal of the television system carried by the worker and received from outside. A first signal transmitting and receiving device that displays the received video on the first monitor device, and converts a video captured by the first television camera into a television-type wireless video signal and outputs the video video signal to the outside; A second monitor and a second monitor provided in the site office.
A television camera, provided in the building site, receiving a wireless video signal of the first television camera output from the first signal transmitting / receiving device, displaying the received video on the second monitor device, and and a second signal transmitting and receiving apparatus for outputting toward the image captured at 1 television camera to said first signal transmitting and receiving apparatus is converted to the wireless video signal of a television system, said operator built in the building site In a multistory building
And the second signal transmitting and receiving device is provided with a receiving antenna and a transmitting transformer.
A transmitter and a transmitter.
It is provided for each level in the building, and the worker is located at any level in the multi-story building.
The first signal transmission carried by the worker even in the state
The receiving device is provided at the level where the worker is located
Forward between the receiving antenna and the transmitting transmitter
It is configured to be able to transmit and receive wireless video signals.
Bidirectional information transmission system have, characterized in that. 2. The apparatus according to claim 1, further comprising a transmission / reception device carried by the worker, a microphone and a speaker provided in the site office, wherein the first signal transmission / reception device receives an external wireless audio signal. Output to the receiving device, and convert the voice collected by the transmitting device into a wireless voice signal and output to the outside, and the second signal transmitting / receiving device includes the second signal transmitting / receiving device. A first signal transmitting / receiving device which receives a sound-collected audio signal of the transmitting device output from one signal transmitting / receiving device and outputs the signal to the speaker, and converts a sound collected by the microphone into a wireless sound signal to transmit the first signal The two-way information transmission system according to claim 1, wherein the two-way information transmission system is configured to output the information to a device. 3. The apparatus according to claim 1, further comprising a helmet mounted on a head of the worker, wherein the first monitor device is held by the helmet so as to be positioned on a line of sight of the worker; 3. The two-way information transmission system according to claim 1, wherein the camera is held on the helmet so as to point in a line of sight of the worker. 4.