JP2001111723A - Alarm device for data transmitter-receiver - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an alarm device for a data transmitter-receiver that can inexpensively configure and surely raise an alarm. SOLUTION: In the data transmitter-receiver that receives an emergency notice from an external device through a general public line 4, a control means 1a controls the entire operation of the transmitter-receiver. A display means 7 is placed to the outside of the transmitter-receiver and is connected to an internal DC power supply of the transmitter-receiver. A built-in control circuit 1e is controlled by the control means 1a, applies drive control to the display means 7 so as to be continuously lighted based on the reception of the emergency notice and so as to be blinked based on occurrence of a fault on the inside of the transmitter-receiver.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an alarm device in a data transmission / reception device, and more particularly to a technology for alerting an external emergency call and occurrence of an abnormality in the device.

[0002]

2. Description of the Related Art As a conventional data transmission / reception system, a gas concentration system for performing data communication such as gas consumption and security management information between a terminal device such as a gas meter used by each user and a management center of a gas supplier. There is a monitoring system.

In such a gas centralized monitoring system, as shown in FIG. 2, a data transmission / reception device 1 is installed on the management center side, and includes a microcomputer or the like when an abnormality occurs in the hardware of the device itself. Under the control of a control means (not shown), an alarm sound by a buzzer (not shown) built in the main body and a red LED (light emitting diode) 1a for alarm display provided on the front of the apparatus.
And an alarm display by the lighting of, the operator of the center equipment is audibly and visually warned.

When an emergency occurs in the hardware of the device itself under the control of the control means by using the emergency rotation light control device 2 and the emergency rotation light 3 externally connected to the data transmitting / receiving device 1. In both cases, that is, when the emergency call from the customer is received from the general public line 4, the emergency rotation light 3 is turned on to visually alert the operator.

[0005] The emergency rotation light control device 2 is connected to the data transmission / reception device 1 by a three-core cable 5, and as shown in FIG. 2 (b), the I / O port 1 (P1) of the control means is connected to the three-core cable 5. A control signal for the red lamp 3a is received via the cable 5a inside, and a control signal for the yellow lamp 3b is received from the I / O port 2 (P2) of the control means via the cable 5b in the three-core cable 5. It is connected to the ground (ground) of the data transmission / reception device 1 via a cable 5c in the cable 5, and relays a control signal of the emergency rotation light 3 from the data transmission / reception device 1.

The emergency rotation light control device 2 includes a reset switch 2a for turning off the red lamp 3a of the emergency rotation light 3 and a reset switch 2a for turning off the yellow lamp 3b. 2b.

The emergency turning light 3 is connected to the emergency turning light control device 2 by a four-core cable 6, and as shown in FIG.
The control signal for the red lamp 3a is received from the emergency rotation light control device 2 via the cable 6a in the four-core cable 6, and the control for the yellow lamp 3b is performed from the emergency rotation light control device 2 via the cable 6b in the four-core cable 6. A signal is received, and the power supply and the ground are connected to the emergency rotation light control device 2 and cables 6 c and 6 d in the 4-core cable 6.

[0008] When an emergency message is received from the general public line 4, the program of the data transmitting / receiving device 1 writes 1 to the I / O port 1 for controlling the red lamp 3 a of the emergency rotation light 3. As a result, the control signal for the red lamp 3a is relayed from the I / O port 1 of the control means via the cable 5a by the emergency rotation light control device 2 and sent to the emergency rotation light 3, and the red lamp 3a of the emergency rotation light 3 is transmitted. Lights up to visually alert that an emergency call has been made.

When an error occurs in the internal hardware of the data transmission / reception device 1, 1 is written to the I / O port 2 for controlling the yellow lamp 3b of the emergency rotation light 3, and the red LED 1d for controlling the alarm is displayed. 1 is also written to an I / O port (not shown) and an I / O port (not shown) for controlling a built-in buzzer. As a result, the built-in buzzer sounds and the red LED for warning display 1d is turned on, thereby giving an audible and visual warning that an error has occurred in the internal hardware. At the same time, the control signal for the yellow lamp 3b is relayed from the I / O port 2 of the control means via the cable 5b by the emergency rotation light control device 2 and sent to the emergency rotation light 3, and the yellow lamp 3b of the emergency rotation light 3 Lights up to visually alert that an error has occurred in the internal hardware.

Thereafter, the operator turns off the red lamp 3a and the yellow lamp 3b of the emergency rotation light 3 by pressing the reset switch 2a for the red lamp 3a and the reset switch 2b for the yellow lamp 3a of the emergency rotation light control device 2. Can be. Further, when the operator presses a reset switch (not shown) of the data transmitting / receiving device 1, the sound of the built-in buzzer is stopped, and the red LED 1d for alarm display is turned off.

[0011]

However, in the above-described alarm configuration, only certain devices (ie, the emergency rotation light control device 2 and the emergency rotation light 3) can be connected to the data transmitting / receiving device 1. Was getting very expensive.

The data transmission / reception device 1 sounds a built-in buzzer only when a hardware abnormality occurs, and an alarm display LED.
Since 1d is turned on, even if an emergency call occurs when the emergency rotation light 3 is located away from the data transmitting / receiving device 1, the operator cannot be visually and audibly alerted.

Further, when the emergency rotation light 3 is operated, the stop of the emergency rotation light 3 is controlled by the emergency rotation light control device 2 and cannot be controlled by the data transmission / reception device 1. Since the operation of the device 2 must be performed, it is troublesome.

An object of the present invention is to solve the above-mentioned problems and to provide an alarm device in a data transmitting / receiving device which can be configured at a low cost and can issue an accurate alarm.

[0015]

SUMMARY OF THE INVENTION In view of the above-mentioned object, an alarm device in a data transmitting / receiving apparatus according to the first aspect of the present invention is a data transmitting / receiving apparatus for receiving an emergency call from outside via a general public line 4. Control means 1a for controlling the overall operation of the apparatus; and display means 7 provided outside the apparatus and connected to an internal DC power supply of the apparatus.
Is controlled by the control means 1a to drive and control the display means 7 to be continuously lit based on the reception of the emergency notification, and to blink the display means 7 based on the occurrence of an abnormality in the apparatus. And a built-in control circuit 1e for driving control.

According to the first aspect of the present invention, in the data transmitting / receiving apparatus for receiving an emergency call from outside via the general public line 4, the control means 1a controls the entire operation of the apparatus. The display means 7 is installed outside the apparatus and is connected to an internal DC power supply of the apparatus. The built-in control circuit 1e is controlled by the control means 1a, controls the driving so that the display means 7 is continuously lit based on the reception of the emergency notification, and blinks the display means 7 based on the occurrence of an abnormality inside the apparatus. Drive control.

According to a second aspect of the present invention, there is provided a data transmitting / receiving apparatus for receiving an emergency call from the outside via a general public line 4, a control means 1a for controlling the overall operation of the apparatus, A display means 7 installed and connected to the internal DC power supply of the apparatus; and a continuous sound based on the reception of the emergency call, controlled by the control means 1a provided in the apparatus, and an abnormality in the apparatus. An alarm sound generating means 1c which emits an intermittent sound based on the occurrence, and is provided in the device and controlled by the control means 1a to continuously light up based on the reception of the emergency call, and based on the occurrence of an abnormality inside the device. Alarm display means 1d which blinks and lights
And display means 7 installed outside the apparatus and connected to the internal DC power supply of the apparatus, and controlled by the control means 1a, so that the display means 7 is continuously lit based on the reception of the emergency notification. And a built-in control circuit 1e for driving and controlling the display means 7 to blink based on the occurrence of an abnormality inside the apparatus.

According to the second aspect of the present invention, in the data transmitting / receiving apparatus for receiving an emergency call from outside via the general public line 4, the control means 1a controls the entire operation of the apparatus. The display means 7 is installed outside the apparatus and is connected to an internal DC power supply of the apparatus. The alarm sound generating means 1c is provided in the apparatus, and is controlled by the control means 1a. The alarm sound generating means 1c continuously sounds when an emergency message is received, and intermittently sounds when an abnormality occurs inside the apparatus. The alarm display means 1d is provided in the apparatus, and is controlled by the control means 1a, and continuously lights based on the reception of an emergency call and flashes based on occurrence of an abnormality in the apparatus. The display means 7 is installed outside the apparatus and is connected to an internal DC power supply of the apparatus. The built-in control circuit 1e is controlled by the control means 1a, controls the drive so that the display means 7 is continuously lit based on the reception of the emergency notification, and blinks the display means 7 based on the occurrence of an abnormality inside the apparatus. Drive control.

According to a third aspect of the present invention, in the alarm device in the data transmitting / receiving apparatus according to the first or second aspect, the built-in control circuit 1e is turned off by the control means 1a based on the reception of the emergency call. And switching means Q controlled to repeat on / off based on occurrence of an abnormality inside the apparatus.

According to the third aspect of the present invention, the built-in control circuit 1e is turned on by the control means 1a from off to on based on the reception of the emergency call and on / off based on occurrence of an abnormality in the apparatus. Includes switching means Q that is controlled to repeat.

According to a fourth aspect of the present invention, in the alarm device in the data transmitting / receiving apparatus according to the first or second aspect, the built-in control circuit 1e includes an adjusting means VR for adjusting the brightness of the display means 7. It is characterized by the following.

According to the fourth aspect of the present invention, the built-in control circuit 1e controls the adjusting means VR for adjusting the brightness of the display means 7.
including.

According to a fifth aspect of the present invention, in the alarm device of the data transmitting and receiving apparatus according to the first or second aspect, the emergency turning light 7 and the alarm display means 1d are turned off, and the alarm sound generating means 1c is turned off. It is characterized by including reset means 1b for stopping.

According to the fifth aspect of the present invention, the alarm device turns off the emergency rotation light 7 and the alarm display means 1d,
A reset means 1b for stopping the alarm sound generating means 1c is included.

[0025]

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

FIGS. 1A and 1B show an alarm device in a data transmitting / receiving apparatus of the present invention. FIG. 1A is a schematic configuration diagram, and FIG. 1B is a block diagram.

As shown in FIG. 1 (a), the data transmitting / receiving apparatus 1 receives an emergency call from a customer via a general public line 4 and has a red LED 1d for displaying an alarm on its front face. . In addition, a pseudo emergency rotation light 7 is externally connected to the data transmitting / receiving device 1 via a two-core cable 8.

As shown in FIG. 1B, the data transmitting / receiving apparatus 1 includes a microcomputer 1a as control means, a reset switch 1b, a buzzer 1c as alarm sound generating means, and a buzzer 1c as alarm display means. For example, an alarm display LED 1d that emits red light and a built-in control circuit 1e are provided.

In the microcomputer 1a, the built-in control circuit 1e is connected to the I / O port P1,
3, a reset switch is connected, a buzzer 1c is connected to the I / O port P4, and an alarm display L is displayed on the I / O port P5.
ED1d is connected.

The built-in control circuit 1e includes a switching transistor Q as switching means and a variable resistor VR as adjusting means.
Is connected to the I / O port P1 of the microcomputer 1a via the variable resistor VR, the emitter is grounded, and the collector is connected to the pseudo emergency light 7 via the cable 8b of the two-core cable. I have.

The pseudo emergency rotation light 7 functions as a display means, and is composed of a lamp operated at 5 V DC or 12 V DC, a large LED, a light, and the like, and a direct current internal to the data transmitting / receiving device 1 via a cable 8 a of the two-core cable 8. Power supply V
In addition to being connected to the internal control circuit 1e via the cable 8b.

When the program of the microcomputer 1a of the data transmitting / receiving device 1 receives an emergency call from the general public line 4, the program I / O port P1 for controlling the pseudo emergency revolving light 7 and the I / O port for controlling the buzzer 1c. 1 each for port P4 and I / O port P5 for controlling alarm display LED 1d
Write. As a result, a high-level control signal is output from the I / O port P1, is supplied to the base of the switching transistor Q via the variable resistor VR, and the switching transistor Q is turned on. When the switching transistor Q is turned on, an electric current flows from the internal DC power supply Vcc of the data transmitting / receiving device 1 to the pseudo emergency rotation light 7 and the pseudo emergency rotation light 7 is continuously turned on to visually warn of an emergency call. .

Similarly, I / O port P for controlling buzzer 1c
4, a high-level control signal is supplied to the buzzer 1c, the buzzer 1c continuously sounds, and a high-level control signal is supplied to the alarm display LED 1d from the I / O port P5 for controlling the alarm display LED 1d. Lights continuously to provide an audible and visual warning of an emergency call.

On the other hand, when an error occurs in the internal hardware of the data transmitting / receiving device 1, the program of the microcomputer 1a executes the I / O for controlling the pseudo emergency light 7.
1 and 0 are alternately written at regular intervals to the port P1, the I / O port P4 for controlling the buzzer 1c, and the I / O port P5 for controlling the alarm display LED 1d.

As a result, a high-level control signal and a low-level control signal are alternately output from the I / O port P1 at regular intervals and supplied to the base of the switching transistor Q via the variable resistor VR. Turn on and off alternately at regular intervals.
When the switching transistor Q is turned on, a current flows from the internal DC power supply Vcc of the data transmitting / receiving device 1 to the pseudo emergency rotating light 7, and when the switching transistor Q is turned off, the pseudo emergency rotating light 7 is internally supplied to the data transmitting / receiving device 1. No current flows from DC power supply Vcc. As a result, the pseudo emergency rotation light 7 blinks and lights, and visually warns that an error has occurred in the internal hardware.

At the same time, the buzzer 1c control I / O port P
4, a high-level control signal and a low-level control signal are alternately output at regular intervals, supplied to the buzzer 1c, the buzzer 1c intermittently sounds, and the high-level control from the I / O port P5 for controlling the alarm display LED 1d. The signal and the low-level control signal are alternately output at regular intervals and supplied to the alarm display LED 1d, and the alarm display LED 1d flashes and lights up, thereby audibly and visually alarming that an error has occurred in the internal hardware. I do.

It should be noted that the brightness can be arbitrarily changed by adjusting the variable resistor VR of the internal control circuit 1e at the time of continuous lighting or blinking lighting of the pseudo emergency rotation lamp 7 described above. That is, by adjusting the variable resistor VR, the base current of the switching transistor Q is adjusted, and the amount of current flowing to the pseudo emergency rotation light 7 when the switching transistor Q is turned on changes, thereby changing the brightness of the pseudo emergency rotation light 7. It is.

Thereafter, when the operator presses the reset switch of the data transmission / reception device 1, the microcomputer 1a causes the I / O port P1 for controlling the pseudo emergency rotating light 7, the I / O port P4 for controlling the buzzer 1c, and 0 for each I / O port P5 for controlling the alarm display LED 1d
Write. As a result, the pseudo emergency rotation light 7 is turned off, the sound of the built-in buzzer is stopped, and the red
D1d can be turned off.

As described above, depending on whether an emergency call or an internal abnormality has occurred, that is, an internal hardware error has occurred, the pseudo emergency rotation light 7 and the alarm display LED 1d are continuously lit or blinking, and the buzzer 1c is continuously sounded. Since the sound intermittently sounds, the operator can be properly notified.

Further, the configuration for alarm can be constructed at very low cost. That is, only the pseudo emergency rotating light 7 may be externally connected to the data transmitting / receiving device 1.

Further, the control of the operation and stop of the pseudo emergency rotation light 7 can be directly performed by the data transmitting / receiving device 1.

Further, when the pseudo emergency rotation light 7 is installed outside the data transmitting / receiving device 1, the connection can be made with only one two-core cable, so that the assembly is easy.

Further, since only one I / O port of the microcomputer 1a for external connection is required, the vacant port can be used for other purposes.

Further, since the power supply of the pseudo emergency rotation light 7 is supplied from the main body of the data transmitting / receiving device 1, no external power supply is required.

As described above, the embodiment of the present invention has been described. However, the present invention is not limited to this, and various modifications and applications are possible. For example, switching means (relay,
Transistors, photocouplers, etc.)

[0046]

According to the first aspect of the present invention, it is possible to accurately notify the operator whether an emergency call or an internal abnormality has occurred by continuously lighting or blinking the display means. Further, the configuration for the alarm can be constructed very inexpensively. That is, only the display means may be externally connected to the data transmitting / receiving device. The power of the display means is
Because it is supplied from the internal DC power supply of the data transmitting and receiving device,
No external power supply is required.

According to the second aspect of the present invention, whether an emergency call or an internal abnormality has occurred is determined by continuous lighting or blinking of the display means and the alarm display means and continuous or intermittent sounding of the alarm sound generating means. The operator can be notified accurately. Further, the configuration for the alarm can be constructed very inexpensively. That is, only the display means may be externally connected to the data transmitting / receiving device. In addition, since the power supply of the display means is supplied from the internal DC power supply of the data transmitting / receiving device, an external power supply is unnecessary.

According to the third aspect of the present invention, the built-in control circuit for driving and controlling the display means can be made inexpensive.

According to the present invention, the brightness of the display means can be adjusted.

According to the invention described in claim 5, the display means,
The control of the operation and stop of the alarm display means and the alarm sound generation means can be directly performed by the data transmitting / receiving device.

[Brief description of the drawings]

FIG. 1 shows an alarm device in a data transmission / reception device of the present invention, wherein (a) is a schematic configuration diagram and (b) is a block diagram.

FIGS. 2A and 2B show an alarm device in a conventional data transmission / reception device, wherein FIG. 2A is a schematic configuration diagram and FIG. 2B is a block diagram.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Data transmission / reception apparatus 1a Microcomputer (control means) 1b Reset switch (reset means) 1c Buzzer (alarm sound generation means) 1d Alarm display LED (alarm display means) 1e Built-in control circuit 4 General public line Vcc Internal DC power supply Q Switching transistor (Switching means) VR variable resistor (adjustment means)

Claims (5)

[Claims] 1. A data transmitting and receiving apparatus for receiving an emergency call from outside via a general public line, comprising: a control means for controlling an overall operation of the apparatus; and a control means installed outside the apparatus and connected to an internal DC power supply of the apparatus. Connected display means, controlled by the control means, drive-controlled to continuously light the display means based on the reception of the emergency call, and blinking the display means based on occurrence of an abnormality inside the apparatus. An alarm device in a data transmission / reception device, comprising: a built-in control circuit that drives and controls the alarm device. 2. A data transmitting and receiving apparatus for receiving an emergency call from outside via a general public line, comprising: a control means for controlling an overall operation of the apparatus; and a control means installed outside the apparatus and connected to an internal DC power supply of the apparatus. Connected display means, provided in the device, controlled by the control means, and continuously sounding based on the reception of the emergency call, and an alarm sound generating means that sounds intermittently based on occurrence of an abnormality inside the device. Alarm display means provided in the device, controlled by the control means, and continuously lit based on the reception of the emergency notification, and blinking and lit based on occurrence of an abnormality in the device; and installed outside the device. Display means connected to the internal DC power supply of the apparatus; and drive control to be controlled by the control means and to continuously light the display means based on the reception of the emergency notification. And a built-in control circuit for driving and controlling the display means to blink on and off based on the occurrence of an abnormality inside the device. 3. The built-in control circuit is controlled by the control means to switch from off to on based on reception of the emergency notification and to repeat on / off based on occurrence of an abnormality in the device. 3. An alarm device in a data transmitting / receiving apparatus according to claim 1, further comprising means. 4. The alarm device according to claim 1, wherein the built-in control circuit includes an adjusting unit that adjusts brightness of the display unit. 5. The alarm device according to claim 2, further comprising reset means for turning off the emergency rotation light and the alarm display means and stopping the alarm sound generation means.