JPH08333083A - Voice composing loud-speaker for crane - Google Patents

Abstract

PURPOSE: To enable wireless communication of indication with a natural voice by properly selecting an optional message according to the composed voice of a crane driver. CONSTITUTION: This apparatus consists of an operating box 1, a transmitter/ receiver 2 connected to the operating box 1 and a voice composing loudspeaker 3 provided on the hook 5 side of a crane wire 4. The operating box 1 is provided with a function selecting section and a message selecting switch connected to the function selecting section. The transmitter/receiver 2 is provided with a control signal generating section to prepare a control signal from a signal selected by the message selecting switch and a first transmitting/receiving section to modulate the control signal of the control signal generating section to electric waves. Further, the voice composing loudspeaker 3 receives electric waves sent out of the first transmitting/receiving section while it is provided with a second transmitting/receiving section to demodulate the electric waves to the control signal in an audio frequency band, a voice composing section to regenerate the message corresponding to the signal from the second transmitting/receiving section as a voice signal and a voice input/output section to amplify and output the regenerated voice signal.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is provided in the vicinity of a hook by operating from the driver's seat in order to ensure the safety of a worker below the crane hook when a crane is used for hanging and unloading. The present invention relates to a voice synthesizing loudspeaker for a crane, which is capable of amplifying an arbitrary synthetic voice from a given voice synthesizing loudspeaker, amplifying a driver's real voice, and transmitting a worker's real voice to a driver.

[0002]

2. Description of the Related Art A crane driver operates a crane while observing the condition of the crane hook. However, an operator below the hook can use the hook to prevent the danger or to assist the work. It is necessary to always know the descending situation. However, in many cases, the worker looks to the work site on the ground, and it is difficult to keep his eyes on the overhead hook.

In such a situation, when notifying the descending state of the hook or giving a work instruction, the driver is screamed from the driver's seat or the microphone is used to give a loud voice to inform the contents of the transmission. It was.
However, when the distance from the driver's seat to the hook is long, or when the site is noisy, the driver's voice may not reach the worker below the hook sufficiently.

In response to such a situation, a device as shown in FIG. 9 has been developed conventionally. This figure shows a situation in which a building material 61 transported to the ground is hoisted at a building site by using a crane 60 provided at a high place. In this figure, the hook 6 of the crane 60
A voice generating device 63 is provided on the upper part of 2, and a preset voice is recorded in the device, and a voice generating device 63 is turned on by a worker 64 on the ground as necessary to switch on the remote controller 65. A voice message was generated from the device 63 toward the ground.

[0005]

However, in the above voice generator, the types of voice messages are limited to a small number, and there is only the function of unilaterally transmitting to the ground worker. , It is impossible for the driver to generate an arbitrary message to the ground worker, to generate the driver's real voice, or to give instructions from the ground worker to the driver in the real voice. there were.

The present invention has been made in view of the above circumstances, and the driver transmits information to the lower side of the crane hook by appropriately selecting an arbitrary message by the synthesized voice, and if necessary, the driver. The crane that communicates the real voice of the robot to the worker below the crane hook, and also the operator of the ground to the driver with the real voice (so-called talkback) by wireless communication. It is an object of the present invention to provide a speech synthesis loudspeaker for use.

[0007]

In order to solve the above-mentioned problems, a voice synthesizing loudspeaker for a crane according to the present invention includes an operation box, a transceiver connected to the operation box, and a hook side of a crane wire. The operation box comprises a function selection unit and a message selection switch connected to the function selection unit, and the transceiver uses the signal selected by the message selection switch as a control signal. A control signal generation unit to be created and a first transmission / reception unit that modulates a control signal generated by the control signal generation unit into an electric wave are further provided, and the voice synthesis loudspeaker further receives the electric wave transmitted from the first transmission / reception unit. A second transceiver for demodulating into a control signal in an audio frequency band; a voice synthesizer for reproducing a message corresponding to the signal from the second transceiver as an audio signal; It is characterized in that a voice output unit for outputting as voice amplifies the generated audio signals.

A microphone is connected to the function selection section of the operation box, and a microphone selection switch is provided on the operation box. The voice input to the microphone by the selection of the microphone selection switch is transmitted / received by the first transmission / reception. Alternatively, the voice may be generated from the voice synthesizer and loudspeaker.

Further, a control unit connected to the function selection unit of the operation box is provided in front of the control signal generation unit of the transmitter / receiver, an activation switch is connected to the control unit, and the activation switch is turned on. The signal selected by the message selection switch or the signal selected by the microphone selection switch may be passed through the control signal generation unit only during the period.

An amplifier-equipped speaker is connected to the first transmitter / receiver of the transceiver, and the voice input to a microphone provided in the voice synthesizer is generated from the speaker of the transceiver. You may

Further, the voice synthesis loudspeaker may be provided on the hook side by means of holding a crane wire near the hook.

Further, it is preferable that a foot switch is provided as a starting switch of the transceiver.

[0013]

In the above structure, the operation box and the transmitter / receiver are installed on the driver's side, and the voice synthesis loudspeaker provided on the hook side of the crane wire is controlled by selecting the message selection switch of the operation box. A signal can be sent, a message corresponding to the control signal can be selected from the voice synthesizing unit, and can be loudened as a synthetic voice from the voice synthesizing loudspeaker.

When a microphone is connected to the function selection section of the operation box, the voice input to the microphone can be changed by selecting the microphone selection switch of the operation box.
It can be sent to a transceiver and generated from a speech synthesizer loudspeaker.

Further, when a control unit connected to the function selection unit of the operation box is provided in front of the control signal generation unit of the transceiver and the activation switch is connected to the control unit, the activation switch is turned ON. Only, the signal selected by the message selection switch can be passed to the control signal generator.

When an amplifier-equipped speaker is connected to the first transceiver of the transceiver, the real voice input to the microphone provided in the voice synthesizer can be generated from the speaker of the transceiver.

Further, the voice synthesizing loudspeaker can be attached to the hook side by a holding means for holding the crane wire near the hook.

Further, when a foot switch is provided as a starting switch of the transceiver, the foot switch can be installed under the driver's foot, and the starting operation of the transceiver can be performed by the foot operation of the driver.

[0019]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a schematic view showing the arrangement of a voice synthesizing loudspeaker for a crane according to the present invention. FIG. 2 is a top view of the speech synthesis loudspeaker according to the present invention. FIG. 3 is a bottom view of the device of FIG. FIG. 4 is a side view of the device of FIG. FIG. 5 is an external view of the operation box according to the present invention. FIG. 6 is an external view of a transceiver according to the present invention. FIG. 7 is a block diagram showing the internal structure of an operation box and a transceiver provided on the driver side. FIG. 8 is a block diagram showing the internal structure of the speech synthesis loudspeaker according to the present invention.

As shown in FIG. 1, the entire structure of the voice synthesizing loudspeaker for a crane according to the present invention is connected to a control box 1 provided near a crane driver's seat 20 and a cord 1a connected to the control box 1. The transceiver 2 and the voice synthesizing loudspeaker 3 provided on the hook 5 side of the crane wire 4 can be installed behind the driver's seat 20 or the like. Further, the transceiver 2 and the voice synthesizing loudspeaker 3 are configured to perform transmission and reception by wireless communication.

The above devices will be described below.

First, on the front panel of the operation box 1,
As shown in FIG. 5, a power switch 21, a message selection switch 7 for messages 1, 2, 3, and 4, a microphone switch 22, and a receive switch 23 are provided. A clamp-type fixing metal fitting 24 is provided in the lower portion of the operation box 1, and the fixing metal fitting 24 allows the operation box 1 to be clamped to a plate member 24a or the like in front of the driver's seat 20. Further, the cord 1a is guided from the internal circuit of the operation box 1, and the connector 1b is attached to the tip thereof.
Is connected.

Although the number of types of the message selection switch 7 is four in the above description, the number of types may be further increased or decreased as necessary.

The internal circuit of the operation box 1 will be described. As shown in FIG. 7, a function selecting section 6 connected to the message selecting switch 7 is provided.
A microphone 10 can be connected to the voice synthesizer, and by turning on the microphone switch 22 of the message selection switch 7, the voice synthesis loudspeaker 3 on the hook 5 side can generate a real voice of the driver through the microphone 10.

Next, the transceiver 2 is, as shown in FIG.
From the right side of the figure, an antenna 25, a speaker connector 26, a start switch connector 27, a power supply connector 28, and an operation box connection connector 29 are provided, and a magnet 31 is fixedly installed on the lower surface of the case. Can be attached to a surface.

The internal circuit of such a transceiver 2 is shown in FIG.
As shown in FIG. 1, the control unit 15 connected to the function selection unit 6 of the operation box 1, the control signal generation unit 8 connected to the control unit 15, and the first transmission / reception unit 9 connected to the control signal generation unit 8 (Indicated as “transmission / reception unit 1” in FIG. 7) is provided, and a power supply unit 32 is provided in each circuit.
Is connected.

The control unit 15 has a bypass circuit connected to the first transmission / reception unit 9 without passing through the control signal generation unit 8, and the microphone switch 22 of the operation box 1 is turned on.
Then, the voice signal input through the microphone 10 can be directly sent to the first transceiver 9.

In the control signal generator 8, when a desired message is selected by the message selection switch 7, this signal is sent from the controller 15 to the control signal generator 8 to create this signal as a control signal.

In the first transmitter / receiver 9, the control signal sent from the control signal generator 8 is concentrated on the radio wave and sent out from the first antenna 33 (shown as "antenna 1" in FIG. 7). To do.

In the above configuration, the control section 15
Is equipped with a startup switch 16 and this switch 16 is turned on.
The voice signal sent through the microphone 10 can be sent to the first transmission / reception unit 9 or the signal selected by the message selection switch 7 can be sent to the control signal generation unit 8 only during the period.

The above-mentioned start-up switch 16 can be constituted by a foot switch 16a or the like (see FIG. 1) so as to be installed under the feet of a crane driver.

Here, the voice synthesis loudspeaker 3 will be described. As shown in FIGS. 2 to 4, this speech synthesis loudspeaker 3 has a pair of symmetrical casings 35, 35 aligned on the flat plate side, and bolts 37 by projecting pieces 36 at both ends extended from the flat plate surface. As shown in FIG. 3, a concave portion 38 through which the wire 4 is inserted is provided at the center of each of the flat plates that are fastened.
A rectangular opening 39 is formed by matching the concave portions 38 on both sides.

Further, as shown in FIG. 2, a plate 41 having sandwiching sides 40 forming two sides of a triangle for further reducing the rectangular opening 39 is fixed with screws 42 on the upper surface of the housing 35, and both sides of the plate 41 are fixed. The voice synthesizing loudspeaker 3 can be attached by inserting the wire 4 between the holding sides 40, 40 and pressing and holding it. The screw 42 is inserted into the long hole 41a provided in the plate 41, and the plate 41 is displaced and fixed within the range of the long hole 41a.
The distance between the sandwiching sides 40, 40 on both sides can be adjusted.

Further, by making the casings 35, 35 symmetrical, the weight can be balanced between the left and right sides of the wire 4.

A connector 43 for the second antenna 49 is provided on the upper surface of the voice synthesizing loudspeaker 3.

On the lower surface of the voice synthesizing loudspeaker 3, a speaker 44, an alarm lamp connector 45, and a power source connector 4 are provided.
And 6 are provided. These are provided in the one-sided housing 35, but the other housing 35 is provided with a battery case 47, and a side surface thereof is provided with a cover plate 48, as shown in FIG. The power supply connector 46,
46 is used to guide the power cord connected to the battery provided in the case to the circuit in the other housing 35.

The internal circuit of the voice synthesizing loudspeaker 3 will be described. As shown in FIG. 8, a second antenna (denoted as "antenna 2" in FIG. 8) 49 connected to the above antenna connector is used. The second transmitter / receiver 11 (denoted as “transmitter / receiver 2” in FIG. 8) and the third transmitter / receiver 11 via the second distributor 49a.
Transmitter / receiver 59 (shown as "transmitter / receiver 3" in FIG. 8)
It is connected to the.

In the second transmitter / receiver 11, the second antenna 49
The radio waves received at are demodulated into signals in the audible frequency band. A voice control signal discriminating circuit 50 is connected to the second transmitting / receiving unit 11 to discriminate whether or not the signal sent to the second transmitting / receiving unit 11 is a control signal, and further connected to the voice control signal discriminating circuit 50. It is output to the control signal decoding circuit 51.

The voice synthesizer 12 is connected to the control signal decoding circuit 51, and a message corresponding to the control signal sent to the control signal decoder 51 is selected from the synthesized voices recorded in advance in the voice synthesizer 12. , And the voice synthesizer 12
Is amplified to a predetermined output by the audio amplification section 52 connected to
Audio is output from the speaker 44 connected to the audio input / output unit 13 connected to the audio amplification unit 52.

The voice input / output unit 13 is provided with a microphone 18 (or a speaker 44 having a microphone function can be substituted), and the voice input / output unit 13 is provided in the third transmitting / receiving unit 5.
By being connected to 9, the audio signal input through the microphone 18 can be modulated into a radio wave and output from the second antenna 49.

The storage battery section 53 is provided with the above-mentioned battery, and a solar cell 54 or a wind power generator (not shown) can be connected to the storage battery section 53 to supply electric power. The storage battery unit 53 is a power supply unit / reduced voltage detection unit 55.
And is connected so as to supply power to each of the above circuits.

A display output unit 56 is connected to the control signal decoding circuit 51, and an alarm indicator 57 is connected to the display output unit 56.

The functions of the voice synthesizing loudspeaker for a crane constructed as described above will be described below for each usage mode.

(1) When any one of the message selection switches 7 of the operation box 1 is selected From the message selection switches 7, 7 ... of the operation box 1 installed in the crane driver's seat, the messages 1, 2, 3, 4
When any one of the above is selected, the function selecting section 6 detects which is selected, the control section 15 takes in the information, and the control signal generating section 8 produces a control signal corresponding to the message.

Then, the start switch 16 is turned on to start transmission of the transmitting / receiving section. The control signal is modulated into a radio wave and transmitted from the first antenna 33 only while the activation switch 16 is ON.

In the voice synthesizing loudspeaker 3, the first antenna 33
The electric wave transmitted from the second antenna 49 is received, the electric wave is demodulated into a signal in the audible frequency band by the second transmitter / receiver 11, and then the voice control signal determination circuit 50 determines the control signal and decodes the control signal. It is output to the circuit 51 and is output to the voice synthesis unit 12 as a signal indicating which message is to be generated.

The voice synthesizer 12 reproduces the message selected according to the input control signal, and the voice amplifier 5
It is amplified to a predetermined output at 2 and is output as a sound from the speaker 44 connected to the sound input / output unit 13.

(2) Microphone switch 2 on the operation box 1
When 2 is selected Only while the start switch 16 is being operated, the voice of the crane driver is modulated into a radio wave by the third transmitting / receiving unit 59 via the control unit 15 through the microphone 10 provided in the operation box 1, It is transmitted from the second antenna 49.

In the voice synthesizing loudspeaker 3, the modulated radio wave is received by the second antenna 49, demodulated by the second transmitting / receiving section 11 into a signal in the audible frequency band, and the voice control signal discriminating circuit 50 discriminates it as voice. After being input to the amplifier 52 and amplified to a predetermined output, it can be output from the speaker 44 of the audio input / output unit 13.

(3) When the receive switch 23 is selected in the operation box 1 In the transceiver 2, a control signal corresponding to the receive switch 23 is generated by the control signal generator 8 and when the start switch 16 is turned on, the constant value is maintained. The control signal is modulated into a radio wave for the time and is transmitted from the first antenna 33.

In the voice synthesizing loudspeaker 3, the modulated radio wave is received by the second antenna 49, demodulated by the second transmitting / receiving section 11 into an audible frequency band signal, and the voice control signal discriminating circuit 50.
Is input as a control signal to the control signal decoding circuit 51, the transmission of the third transmitting / receiving unit 59 is started, and the voice input / output unit 13 is activated.
Is modulated into a radio wave by the third transmitter / receiver 59 and output from the second antenna 49. When the radio wave is received by the first antenna 33 of the transceiver 2, it is demodulated by the transceiver 1 and output from the line output.
More talkback audio can be output.

By using the above control signal, a signal is also output to the display output section 56 of the voice synthesizing loudspeaker 3, and the alarm indicator 57 is turned on to warn of danger (alarm) by both light and sound. It is also possible to inform.

Further, in the above-mentioned structure, when a solar cell for replenishing and charging the battery is used together, the battery usually falls below the specified value in 8 hours of operation per day, but the combined use of the solar cell significantly increases the number of times of charging. Can be reduced.

[0055]

As described above, according to the voice synthesizer for cranes of the present invention, the crane driver operates the message selection switch of the operation box provided in the driver's seat according to the situation of the crane hook. By selecting one of them and turning on the switch, the voice synthesizer provided on the crane hook side can expand the message as a synthesized voice, so that the worker below the crane hook can speak to the crane hook. You can know the situation.

Further, if necessary, the driver's side can audibly voice the driver's voice through the microphone from the voice synthesizer on the crane hook side, and a message which cannot be handled by the preset synthesized voice as described above. Very effective when transmitting.

Furthermore, the worker below the hook makes a real voice to the microphone provided in the voice synthesizing loudspeaker section on the side of the crane hook, so that the talk back can be performed to transmit the real voice to the driver's seat. This allows the driver to be instructed to operate the crane.

[Brief description of drawings]

FIG. 1 is a schematic view showing an arrangement of a voice synthesizing loudspeaker for a crane according to the present invention.

FIG. 2 is a top view of a speech synthesis loudspeaker according to the present invention.

FIG. 3 is a bottom view of the device of FIG.

FIG. 4 is a side view of the device of FIG.

FIG. 5 is an external view of an operation box according to the present invention.

FIG. 6 is an external view of a transceiver according to the present invention.

FIG. 7 is a block diagram showing internal structures of an operation box and a transceiver provided on the driver side.

FIG. 8 is a block diagram showing an internal structure of a speech synthesis loudspeaker according to the present invention.

FIG. 9 is a diagram showing a situation in which a conventional voice generator for a crane is used in a crane at a construction site.

[Description of sign]

 1 ... Operation box 2 ... Transceiver 3 ... Speech synthesizer 4 ... Crane wire 5 ... Hook 6 ... Function selection section 7 ... Message selection switch 8 ... Control signal generation section 9 ... First transmission / reception section 10 ... Microphone 11 ... Second Transmitter / receiver 12 ... Voice synthesizer 13 ... Voice input / output unit 14 ... Microphone selection switch 15 ... Control unit 16 ... Start switch 17 ... Speaker with amplifier 18 ... Microphone 44 ... Speaker

Claims (6)

[Claims] 1. An operation box (1), a transceiver (2) connected to the operation box (1), and a voice synthesis loudspeaker (3) provided on the hook (5) side of a crane wire (4). ), The operation box (1) includes a function selection section (6) and a message selection switch (7) connected to the function selection section (6), and the transceiver (2) includes the message selection switch. A control signal generating section (8) for generating a signal selected by (7) into a control signal, and a first modulating the control signal by the control signal generating section (8) into an electric wave.
A second transmitting / receiving section (9), and the voice synthesizing loudspeaker (3) receives a radio wave transmitted from the first transmitting / receiving section (9) and demodulates it into a control signal in an audible frequency band.
A transmitting / receiving unit (11), a voice synthesizing unit (12) for reproducing a message corresponding to a signal from the second transmitting / receiving unit (11) as a voice signal, and a voice for amplifying the reproduced voice signal and outputting it as voice. A voice synthesis loudspeaker for a crane, comprising an input / output unit (13). 2. A microphone (10) is connected to the function selection section (6) of the operation box (1), and a microphone selection switch (14) is provided in the operation box (1). The voice input to the microphone (10) by the selection of (14) is sent to the first transmitting / receiving unit (9), and the voice is generated from the voice synthesis loudspeaker (3). The voice synthesis loudspeaker for a crane according to claim 1. 3. A control unit (15) connected to a function selection unit (6) of the operation box (1) is provided in front of a control signal generation unit (8) of the transceiver (2), and the control unit (15) is provided. Start switch (16) on part (15)
Is connected and the signal selected by the message selection switch (7) or the signal selected by the microphone selection switch (14) is supplied to the control signal generation unit (8) only while the activation switch (16) is turned on. The voice synthesizing loudspeaker for a crane according to claim 1, wherein the voice synthesizing loudspeaker is used for the crane. 4. A speaker (17) with an amplifier is connected to the first transmitting / receiving unit (9) of the transceiver (2), and a microphone (18) provided in the voice synthesizer (3) is connected to the microphone (18). The voice synthesizing loudspeaker for a crane according to claim 1, wherein the input voice is generated from a speaker (17) of the transceiver (2). 5. The voice synthesizing loudspeaker (3) is provided on the hook (5) side by means for holding a crane wire (4) near the hook (5). 1. A voice synthesis loudspeaker for a crane according to 1. 6. A start-up switch (1) for the transceiver (2).
A voice synthesizer for a crane according to claim 5, wherein a foot switch (16a) is provided as 6).