JPS5852639Y2 - Ship operation signal automatic transmitter - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a signal device that displays the operational status of a ship by sound or a signal using sound and light to prevent collisions and other accidents while the ship is sailing.

When a vessel in transit approaches another vessel, it is required to notify the other vessel of its operational status by sound or sound and light signals to prevent a collision.

As for the type of signal, for example, in the case of light, when the vehicle is turning to the right, a flash of light with a duration of 1 second is emitted repeatedly at intervals of 10 seconds or more.

When the vehicle is turning to the left, it is stipulated that a flash of 1 second duration is to be emitted twice at intervals of 1 second at intervals of 10 seconds or more.

Conventionally, this signal was made manually by the navigator, and there were problems such as not being able to accurately maintain the duration of the flash and the interval between flashes, and mistaking the number of flashes. There were many accidents that caused disaster.

In addition, when sending a light emission signal manually, the operator must be located outside the room where the light emission can be confirmed in order to confirm the signal.

There were many inconveniences, such as the caller having to stay with only one person while transmitting the signal.

This invention uses a combination of electric circuits to automatically control the duration, emission time interval, and repetition time interval of the sound and flash that are emitted as vessel maneuvering signals, thereby accurately generating the desired type of signal with a simple switch operation. The present invention provides a device that repeatedly emits light for a desired period of time.

The configuration of the signal device of the present invention will be explained in the case of a light emission signal.

FIG. 1 is a block diagram of the device.

Reference numeral 1 designates a signal type such as a flash duration time, a light emission interval, and a number of times of light emission, and is composed of a number of switches equal to the number of signal types.

Reference numeral 2 denotes a storage section for temporarily storing signals from the command device and repeating the same type of signals.

Reference numeral 3 denotes an oscillator, which is a reference signal source that regulates the flashing duration time and the flashing interval directly or via the frequency divider 4.

Reference numeral 5 denotes a pulse counter from an oscillator or frequency divider, which sends pulses specifying the number of times of light emission to the selection circuit section 6 according to the type of signal.

The selection circuit section 6 further includes the output of the storage section.
It is designed to supply the signal lamp 7 with an electrical signal necessary to carry out a designated light emission signal.

8 is a timer for setting a repetition time interval when the same type of light emission signal is repeated.

Next, the operation of the apparatus of the present invention will be specifically explained with reference to an embodiment.

In FIG. 2, numeral 3 is a square pulse oscillator with a occupancy rate of 50% and 1 pps, and the output of this oscillator is usually a binary counter 40.
NA as a 0.5 pps square pulse divided by 2 by 1
It is applied to the input side of NOR gate 10 along with the output of NOR gate 11 through ND gates 402 and 404.

The output of the flip-flop circuit in the storage section 2 is applied to the NOR gate 11, which is actuated by the operation of any switch on the command unit 1 to send a signal to the NOR gate 10.

This signal input causes the NOR gate 10 to output a 0.5 pps square pulse as shown in FIG. 3, which is applied to the ring counter of the counter 5 and the input side of the AND gate 606, and the ring counter starts counting pulses.

On the other hand, the flip-flop circuit 608 is already set by the signal from the set signal generation circuit 9 when the device is powered on, the AND gate 606 is in a standby state, and the pulse from the NOR gate 10 passes through the AND gate 606 and is multiplied. The signal is supplied to the width switch 13 and lights up the signal light for exactly 1 second (pulse width).

On the other hand, at the output terminal of the ring counter, pulses as shown in Figure 3 appear every fixed number of pulses depending on the number of times the light emission signal is emitted, and these pulses are applied to one of the AND gates 601...604. is input.

The output of the storage flip-flop circuit, which has already been set at the same time as the designation of the light emission signal, is added to one of the AND gates, and upon coincidence with the output pulse from the ring counter 501, the output of the AND gate is applied. operates to reset flip-flop circuit 608 through NOR gate 607.

By this reset of 608, the output of the light emission pulse is AND
The gate 606 is switched to 605, and the pulse is sent to timer 8.
is input to start counting, and at the same time, the signal light circuit is opened and stops emitting light.

At the same time, the ring counter 501 is reset through the NAND gate 12 and stops counting.

In this way, when any of the switches 101 to 103 of the command unit is operated, the flash duration and the flash interval of 1 second are analyzed for the number of times according to the type of flash signal specified by the switch. .

When the count of pulses in the timer 8 reaches a certain value, a pulse as shown in FIG.

This switches the output of the light emission pulse and repeats the light emission signal again.

If the operation of the other vessel is suspicious, a short flash of light duration is to be transmitted five times at short flash intervals, and the switch 104 is used for this signal.

As can be seen from FIG. 2, when the switch 104 is operated, the output of the corresponding memory circuit is also applied to the reset terminal of the binary counter for frequency division.
The counter does not work, so the 1 pps square pulse is input directly to NOR gate 10 through 403 and 404.

Therefore, the output from the NOR game 10 is also a 1 pps square pulse, and as shown in FIG. 4, it is a light emission signal with both a flash duration time and a light emission time interval of 0.5 seconds.

In this case as well, the operation of the light emission control is almost the same as in the previous case, but in order to make the repetition time interval the same as in the previous case, the inversion pulse from the timer circuit is output from Qlo, as shown in Figure 4g. The flip-flop circuit 608 is designed to be inverted when the number of light emission pulses is 20.

In either case, signal generation is stopped by turning off the power supply or resetting the memory circuit.

If necessary, in order to prevent confusion in the sequence due to double operation of the command switch, an NA may be installed before the memory circuit.
It is also possible to form a priority circuit such as an NDAND gate, or to add a monitor circuit for visually or aurally checking the signal output status.

As explained above, in this device, the stable square pulse obtained from the oscillator is directly amplified to emit sound and flash, and the duration and emission interval are extremely accurate.

Furthermore, the circuit configuration is such that the number of times the sound and flash is emitted is controlled by directly counting the pulses, and its reliability is extremely high.

Furthermore, the type of signal instructed once is electrically memorized,
A timer that operates by counting the rectangular pulses allows the same type of signal to be repeatedly issued for a desired time at regular time intervals.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing the configuration of an apparatus according to the present invention. 1...Command unit, 2...Storage unit, 3...
...Oscillator, 4...Divider, 5...
・Pulse counter, 6...Selection circuit, 7...
...Signal generator, 8...Timer. FIG. 2 is a circuit diagram showing one embodiment. FIG. 4 is a pulse waveform diagram for explaining the operation of this device.

Claims (1)

[Scope of utility model registration request] a command device for selecting and specifying different kinds of ship maneuvering signals, a memory circuit for temporarily storing command signals, a pulse generation circuit necessary for controlling the duration and emission interval of sound and flashing according to the type of signal; Automatic transmission of ship maneuvering signals from a pulse counting circuit provided at the output end of the pulse generating circuit, a timer circuit for setting the signal repetition time interval, and a selection circuit for switching between the pulse counting circuit and the timer circuit. Device.