JPH09105116A - Voice alarm device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To secure safety and convenience for passersby, by constituting an alarm device with a child device provided with a human body detector, an output of voice messages, a transmitting circuit, and a receiving circuit, and a parent device provided with a receiving circuit, an information circuit, and transmitting circuit. SOLUTION: When a passerby approaches in a certain range, it is detected by a human body detector 1 and the detected signal 1a of a human body is input in the first signal processor 2 and signals 2a, 2b are transmitted to a voice message output part 3 and the first transmission circuit 7. These are received in the output part 3 and a speaker is driven to issue an alarm to passersby. Or the voice message is stored in a message-selector 5 to give attension to them. The detected signal 2b of human bodies output from the processor 2 is transmitted to a parent device A from an antena 11 through a switch 9 and a branch circuit 8. On the other hand, the outside sounds are collected by a microphone 6 and modulated in the transmission circuit 7 and further, transmitted to the circuit 8 and received by an antena through the antena 11. In this way, attention like an alarm is completely called while reducing labor costs.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a voice message that automatically gives a warning message to a passerby at various construction sites, etc. and enables communication between a master unit and a slave unit. Warning device.

[0002]

2. Description of the Related Art At various construction sites such as roads, electricity, gas, water and sewage systems, and telephones, the conventional method of communicating the dangers and cautions to passers-by is to inform or guide them by field workers or security guards. There are devices that automatically display a voice message by detecting various display lights, posters, etc., and by-passers.

[0003]

[Problems to be Solved by the Invention] However, in the case of having a dedicated field worker or security guard, the labor cost is high, and
There is a problem that the physical and mental burden is great at night, in extreme heat and cold, and in bad weather, and it is dangerous depending on the situation of the site. Furthermore, the method of visually appealing using various kinds of indicator lights and posters is often overlooked, and it is still insufficient to thoroughly inform passers-by of the dangers and cautions at the time of passage. In addition, various existing indicator lights are generally complicated and large in size, and have many protrusions and the like, which is inconvenient for transportation and storage. In addition, when voice communication is required between the site and the field office, a transceiver or the like has been used conventionally, but there is no device that has both a voice warning function and a communication function, and it is desirable to realize it. ing.

The present invention has been made to solve the above problems, and its purpose is to reliably convey the dangers and cautions at the time of passage to a passerby to ensure the safety and convenience of the passerby. In addition, it is an object of the present invention to provide a voice warning device that has a simple configuration, is easy to transport and store, and has a communication function between a master unit and a slave unit and can be provided at low cost.

[0005]

In order to achieve the above object, the invention described in claim 1 is a human body detecting section for detecting a pedestrian approaching within a certain range, and a human body detecting section from the human body detecting section. A voice message output unit for outputting a voice message from a speaker based on a signal, and a first body for transmitting the human body detection signal or a voice signal input from a microphone
A slave unit including a transmitter circuit and a first receiver circuit for receiving a voice signal transmitted from the outside and outputting a voice from a speaker; and a second unit for receiving the signal transmitted from the first transmitter circuit.
A receiving circuit, a reporting circuit that discriminates a human body detection signal and an audio signal from an output signal of the receiving circuit, and an alarm is issued based on the human body detection signal discriminated by the audio signal, and a voice signal input from a microphone. It is characterized by comprising a base unit having a second transmitting circuit for transmitting.

According to a second aspect of the present invention, there is provided a human body detection section for detecting a pedestrian approaching within a certain range, and a human body detection signal from the human body detection section or a voice signal input from a microphone is transmitted. No. 1 transmission circuit, a slave unit including a first reception circuit that receives a voice signal transmitted from the outside and outputs a voice from a speaker, and a second reception circuit that receives the signal transmitted from the first transmission circuit And a notification circuit for discriminating a human body detection signal and a voice signal from the output signal of the receiving circuit and for issuing a warning based on the human body detection signal discriminated by the voice signal, and input from a microphone or a voice message output unit. And a second transmission circuit for transmitting an audio signal.

According to a third aspect of the present invention, in the voice warning device according to the first or second aspect, a message selection unit for selecting one of a plurality of types of voice messages stored in advance is provided, and the message selection is performed. The voice message selected by the unit is output via the voice message output unit.

According to a fourth aspect of the present invention, in the voice warning device according to the first or second aspect, a specific voice message stored in a replaceable storage medium is output via a voice message output section. And

According to a fifth aspect of the present invention, in the voice warning device according to the first or second aspect, a slave unit built into a hollow conical triangular pole is provided.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing the configuration of the embodiment of the present invention. In FIG. 1, the upper block diagram represents the child device B, and the lower block diagram represents the parent device A. The configuration of this embodiment will be described below with reference to this block diagram. The voice warning device of the present embodiment is composed of one master device A and a plurality of slave devices B capable of transmitting and receiving the master device A. When the voice warning device according to the present embodiment is installed at a construction site or the like, the base unit A is installed in an office or the like located away from the site, and communication is performed with a plurality of sites where the handset B is placed. You can do it.

The slave unit B of the voice warning device of this embodiment is constructed by mounting various components inside a hollow conical triangular pole (so-called color cone) placed at a construction site or the like.

In the child device B, reference numeral 1 is a human body detection unit using an infrared sensor, an ultrasonic sensor, etc., for detecting that a passerby has approached within a certain range from the child device B of this voice warning device. belongs to. The first signal processing unit 2 connected to the human body detection unit 1 inputs the human body detection signal 1a output from the human body detection unit 1 (the arrow indicates the direction in which the signal flows. The same applies hereinafter) and the circuit of the next stage. The human body detection signal 2a is output to (the voice message output unit 3 and the first transmission circuit 7 described later)
2b to send out.

A voice message output unit 3 is connected to the output side of the first signal processing unit 2. The voice message output unit 3 uses the human body detection signal 2a from the first signal processing unit 2.
In response to this, the first speaker 4 is driven to issue a voice message such as a warning or caution to passersby.
Specifically, a tape recorder, an IC sound source, etc. can be considered.

Reference numeral 5 denotes a message selection unit, which allows a user to select a desired one from a plurality of voice messages stored in advance by operating a switch or the like. The message selection unit 5 is configured to store a specific voice message in a replaceable storage medium such as a ROM card and read the voice message from the voice message output unit 3 side by mounting the storage medium. May be. An example of a voice message is "I'm sorry for the inconvenience caused during the construction. Please be careful."
We will explain the work contents, contact information, detours, and call attention.

The other human body detection signal 2b output from the first signal processing unit 2 is amplified or modulated by the first transmission circuit 7 via the switch 9 and is transmitted from the antenna 11 via the signal branch circuit 8 to the master unit. Sent to A.

On the other hand, the microphone 6 picks up an external sound within a certain distance and range from this apparatus and sends the audio signal 6a to the next stage. The first transmission circuit 7 is a circuit for amplifying or modulating the audio signal 6a from the microphone 6, and the audio output from this circuit is sent to the signal branch circuit 8. The audio signal 6a that has entered the signal branch circuit 8 is transmitted from the antenna 11 and received by the antenna 20 of the base unit A.

The switch 9 between the first transmission circuit 7 and the voice message output unit 3 transmits the human body detection signal 2b to the base unit side in the city, or by the voice signal 6a from the microphone 6 in the apparatus. This is for turning off when the message sound from the speaker 4 output to the outside is desired to be omitted. Similarly, the switch 10 between the microphone 6 and the first transmission circuit 7
Is for turning off when the sound picked up by the microphone 6 does not need to be heard by the base unit A.

The signal branch circuit 8 transmits / receives a transmission / reception signal when transmitting the human body detection signal 2b and the voice signal 6a that have passed through the first transmission circuit 7 to the master unit and when receiving the voice signal 11a from the master unit A. It is a circuit that branches. Child machine B to parent machine A
The signal output from the first transmission circuit 7 is transmitted to the antenna 11 by the signal branch circuit 8 and transmitted to the base unit A. Further, in the case of reception of the slave unit B, the signal transmitted from the master unit A is received by the antenna 11, and the input voice signal 11a is received by the signal branch circuit 8 in the first receiving circuit 12 in the next stage. Output to. The first receiving circuit 12 performs tuning, detection, demodulation, and amplification on the audio signal 11a and drives the first speaker 4.

The lower part of FIG. 1 is a block diagram of the master unit A of the voice warning device of this embodiment. The entire configuration of the base unit A is divided into a transmission system described later and a reception system for receiving information from the handset B, and an antenna 20 for transmission / reception with the handset B,
A signal branching circuit 21 for branching a transmission signal and a reception signal is shared by each of the transmission system and the reception system.

The transmission system is for transmitting voice from the master unit A to the slave unit B, and includes a microphone 22 and a second transmission circuit 23. The microphone 22 picks up the voice of the human being on the side of the base A and outputs it as a voice signal 22a to the second transmission circuit 23. The transmission circuit 23 amplifies and modulates the input audio signal and transmits the amplified audio signal to the slave unit B by the antenna 20 via the signal branch circuit 21.

The receiving system listens to the sound (or human voice) collected by the microphone 6 of the handset B by the second speaker 26 on the side of the handset A, and the human body detecting section 1 of the handset B. This is for confirming the detected human body detection signal 1a by a lamp 28 and a buzzer 29 on the side of the base unit A which will be described later.

The human body detection signal 2b or the voice signal 6a received by the antenna 20 is output to the second receiving circuit 24 by the signal branching circuit 21 and the second receiving circuit 24.
Performs tuning / detection / demodulation / amplification on the human body detection signal 2b or the voice signal 6a, and the second signal processing unit 25
Output to The second signal processing unit 25 determines whether the input signal is the human body detection signal 2b or the voice signal 6a, and if it is the voice signal 6a, outputs it to the speaker 26 so that the voice can be heard. In the case of the human body detection signal 2b, this signal goes through the alarm circuit 27, turns on the lamp 28, and at the same time sounds the buzzer 29.

With respect to the child device B of the voice warning device of this embodiment having the above-described configuration, all parts are built in and integrated with the triangular pole. It should be noted that the components of the child device B may not be built in the triangular pole, but may be put in an appropriate case and attached to a construction marker pole, a construction fence, a wire net, or the like. The base unit A is
It is placed in an office, etc., away from the site where the handset B is placed, and the information (approach of a person, abnormal noise, etc.) obtained from the handset B is monitored to confirm the safety of the site and grasp the situation. , Makes a call with the child device B as necessary.

As a power source for the slave unit B, an AC power source, a battery, a dry cell, a button cell or the like is used. The type of the first speaker 4 may be unidirectional or omnidirectional. Further, by using an electroacoustic conversion element capable of converting mechanical vibration into an electric signal (or vice versa), the first speaker 4 and the microphone 6 of the child device B are formed as one component, and the second speaker of the parent device A is used. It is also possible to form the microphone 26 and the microphone 22 with one component.

Next, FIG. 2 is a block diagram showing another embodiment. In this embodiment, a voice message output unit 211 and a message selection unit 212 are installed on the base A side.

That is, on the side of the slave unit B, the first signal processing unit 2
The output side of is connected to the first transmission circuit 7 via the switch 9, and only the first reception circuit 12 is connected to the first speaker 4. On the other hand, on the side of the master unit A, the second transmission circuit 2
A series circuit of a voice message output unit 211 and a message selection unit 212 is connected to the input side of 3.

With the above configuration, when the human body is detected on the slave unit B side, the message selected on the master unit A side is sent from the voice message output unit 211 to the second transmission circuit 23 and the signal branch circuit 2.
1 to the slave unit B side via the antenna 20, and in the slave unit B, the antenna 11, the signal branching circuit 8, the first receiving circuit 1
It is possible to output from the first speaker 4 via 2. According to this embodiment, the child device B can be further reduced in size and weight.

In the voice warning device, the human body detecting section 1 and the first speaker 4 are oriented with the triangular poles oriented in any direction.
By changing the directivity of, the restrictions on the installation location are reduced. In addition, a plurality of human body detection units 1 and a plurality of first speakers 4 may be installed to output a voice message to a passerby in multiple directions. Furthermore, the child device B is entirely waterproof (insulated),
With a dustproof structure, it is lightweight and easy to move and install. Further, by incorporating all the components into the triangular pole, it is possible to realize a voice warning device which is convenient for transportation and storage without any protrusions and which does not feel uncomfortable in appearance.

[0029]

As described above, according to the present invention, regardless of time, season, weather, place of installation, etc., when a passerby approaches within a certain range, the human body detecting section automatically detects this. However, warnings and cautions to passersby can be transmitted as voice messages, and warnings and the like can be thoroughly disseminated while suppressing labor costs. As a result, it becomes possible to smoothly carry out the construction while ensuring the safety and convenience of passers-by. Further, the structure of the device is relatively simple and can be provided at low cost.

Further, if all the parts of the child device B are housed in the triangular pole, a structure without protrusions can be formed on the outside, which is convenient for transportation and storage. In addition, it is possible to provide a voice warning device which is comfortable even if it is arranged together with a general triangular pole, and which is rich in unexpectedness.

Since voice and the like can be transmitted and received between the master unit A and the slave unit B, a two-way conversation with a worker in the office where the slave unit B is installed is possible. In addition, handset B
May be installed in tourist facilities, amusement facilities, various event venues, etc., and may be used for information on various places and directions, and information transmission such as waiting time and congestion situation. As described above, by providing both the voice warning function and the communication function, it is not necessary to separately install a communication device, and resources and space can be effectively used. Further, since one master unit A can manage a plurality of slave units B, the number of personnel for safety confirmation can be reduced. Of course, one master unit can manage a plurality of slave units B alone. It is also possible to manage a certain number of parent devices A.

[Brief description of the drawings]

FIG. 1 is a block diagram of a voice warning device according to an embodiment of the present invention.

FIG. 2 is a block diagram showing another embodiment of the present invention.

[Explanation of symbols]

 1 human body detection unit 1a, 2a, 2b human body detection signal 2 first signal processing unit 3, 211 voice message output unit 4 first speaker 5, 212 message selection unit 6, 22 microphones 6a, 11a, 22a voice signal 7 first transmission Circuits 8 and 21 Signal branching circuit 9 and 10 Switch 11 and 20 Antenna 12 First receiving circuit 23 Second transmitting circuit 24 Second receiving circuit 25 Second signal processing unit 26 Second speaker 27 Warning circuit 28 Lamp 29 Buzzer A Parent Machine B Child machine

Claims (5)

[Claims] 1. A human body detection unit that detects a passerby approaching within a certain range, a voice message output unit that outputs a voice message from a speaker based on a human body detection signal from the human body detection unit, and the human body detection signal. Alternatively, a slave unit including a first transmission circuit that transmits a voice signal input from a microphone and a first reception circuit that receives a voice signal transmitted from the outside and outputs a voice from a speaker, and a first transmission circuit A second receiving circuit for receiving a signal transmitted from the receiving circuit, and a reporting circuit for discriminating a human body detection signal and a voice signal from an output signal of the receiving circuit and issuing a warning based on the human body detection signal discriminated by the voice signal. And a master unit including a second transmission circuit that transmits a voice signal input from a microphone, and a voice warning device. 2. A human body detection unit for detecting a pedestrian approaching within a certain range, a first transmission circuit for transmitting a human body detection signal from the human body detection unit or a voice signal input from a microphone, and an external unit. A cordless handset having a first receiving circuit for receiving a transmitted voice signal and outputting a voice from a speaker, a second receiving circuit for receiving a signal transmitted from the first transmitting circuit, and an output of this receiving circuit. A discriminating circuit for discriminating a human body detection signal and a voice signal from the signal and transmitting a voice signal inputted from a microphone or a voice message output section for issuing an alarm based on the human body detection signal discriminated by the voice signal; A voice warning device comprising: a transmission circuit. 3. The voice warning device according to claim 1, further comprising a message selection unit that selects one of a plurality of types of voice messages stored in advance, and the voice message selected by the message selection unit. Is output via a voice message output unit. 4. The voice warning device according to claim 1, wherein a specific voice message stored in a replaceable storage medium is output via a voice message output unit. 5. The voice warning device according to claim 1, further comprising a slave unit built in a hollow conical triangular pole.