JP3048026B2 - Connection additional device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connection adding device for connecting a telephone line connected to a terminal device to a host device.

[0002]

2. Description of the Related Art As this type of apparatus, for example, LPG
A system has been developed in which a dealer installs a terminal device at an LPG consumer and reports abnormality, security, meter reading data, and the like to a host device at a center via a telephone line.

That is, in the terminal device, when it is necessary to process signals from various sensors and notify the host device of abnormalities, maintenance, meter reading data, and the like, the terminal dials the telephone number of the host device and dials the terminal device. A line between the device and the connection addition device is set, and thereafter, the connection addition device connects the line with the host device, and transmits report data from the terminal device to the host device.

[0004]

As described above, when an incoming call is received from a terminal device, the conventional connection addition device establishes a line with the terminal device, connects to the host device, and transmits report data from the terminal device. The data was transmitted to the host device.

[0005] For this reason, when there is a problem in the host device, it is impossible to make a report from the terminal device to the host device, and it is not possible to deal with an emergency report such as a gas leak report. SUMMARY OF THE INVENTION It is an object of the present invention to provide a connection adding device capable of coping with a problem occurring in a host device.

[0006]

Means adopted by the present invention to solve the above-mentioned problems will be described with reference to FIG. FIG. 1 is a basic configuration diagram of the present invention. In a connection additional device for connecting a telephone line connected to a terminal device to a host device, a preliminary report destination recording means (1) for recording a preliminary report destination, and when the terminal device requests connection to the host device, When the host device failure detecting means (2) detects a failure in the host device, the preliminary notification destination recording means (1) records the failure. Preliminary report destination transmitting means (3) for transmitting preliminary report destination data to the terminal device
And.

[0007]

The preliminary notification destination recording means 1 records in advance the telephone number of the notification destination at the time of failure of the host device. The host failure detecting means 2 detects whether or not a failure has occurred in the host device when there is an incoming call from the terminal device.

[0008] The preliminary report destination sending means 3, when the host device failure detecting means 2 detects that a failure has occurred in the host device, the telephone number of the preliminary report destination recorded in the preliminary report destination recording means 1. Is read out and sent to the terminal device. The terminal device dials the transferred telephone number and reports.

As described above, the host device records the report destination at the time of failure, and if a failure occurs in the host device when an incoming call is received from the terminal device, it records it in the terminal device. Since the telephone number of the report destination is read and transmitted, the terminal device can dial the transmitted telephone number to make a report, and can cope with an emergency report.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to FIGS. FIG. 2 is a configuration diagram of the embodiment of the present invention, FIG. 3 is an operation flowchart of the connection adding device of the embodiment, and FIG. 4 is an operation flowchart of the terminal device of the embodiment.

In FIG. 2, reference numeral 10 denotes a connection adding device;
Is a terminal device, 30 is a host device, 40 is a preliminary report destination device, and 50 is a telephone line network. When a report request is issued from the terminal device 20 to the host device 30, the terminal device 20 dials the telephone number of the connection addition device, makes the line setting in the telephone line network 50, and when the line setting is completed, the connection addition device 10 The terminal device 20 is connected to the host device 30 and reports to the host device 30.

[0012] The connection addition device 10 includes a preliminary notification destination recording unit 1
1, host device malfunction detection unit 12, preliminary notification destination sending unit 1
3, additional device control unit 14, interface (I / O) 1
5 to 18 and a processor (CPU) 19 for performing processing. The terminal device 20 includes a recording unit 21 for recording various data, a terminal device control unit 22, I / Os 23 and 24,
It is composed of a CPU 25 that performs processing.

Preliminary report destination recording unit 11 of connection adding device 10
In advance, the telephone number of the preliminary notification destination device 40 is recorded in advance. When the day is different between the daytime and the night, the preliminary notification destination device 40 rewrites and records the record of the preliminary notification destination recording unit 11 corresponding to the time zone.

Meter reading data from a gas meter (not shown), a voltage drop signal for operating the device, a gas leak signal from a gas leak sensor, a gas shutoff command at the time of gas leak, and the like are input and output to the I / O 23 of the terminal device 20. It is. The terminal device control unit 22 processes the data input from the I / O 23, and when an item that needs to be notified to the host device 20 occurs during the processing operation, the telephone number of the connection addition device 10 via the I / O 24. Dial to set the line, and transfer the data to be reported to the host device.

Next, the operation of the connection adding apparatus 10 will be described with reference to FIG. In the process S1, the additional device control unit 14 determines whether or not there is an incoming call from the terminal device via the I / O 15 or 16, and if the determination result is NO, the process waits until the determination becomes YES.

In the process S2, the host device malfunction detecting unit 1
2 makes a call request to the host device (# 1) 30-1 for connection with a terminal device (in which a report request has been issued). In the process S3, the host device malfunction detecting unit 12 detects whether or not there is a response signal indicating that connection is possible from the host device (# 1) 30-1. If there is a response, the process proceeds to the process S10. Move to S5.

In process S5, the host device malfunction detecting unit 1
2 makes a connection request to the host device (# 2) 30-2. In step S6, if there is a response, the process proceeds to step S11, and if not, to step S7. In the process S7, the preliminary report destination sending unit 13 reads out the telephone number of the preliminary report destination device 40 recorded in the preliminary report destination recording unit 11, and subsequently transmits the telephone number read out to the terminal device in the process S8.

In processing S9, the additional device control unit 14
The communication line set with the terminal device set via the / O 15 or 16 is released. That is,
The process ends with the on-hook state. In addition, processing S3
If the determination in step S1 is YES, the process proceeds to step S10, where the additional device control unit 14 connects the host device (# 1) 30-1 to the terminal device, and subsequently transmits report data from the terminal device that has proceeded to process S12. The transfer is performed, and when the transfer is completed, the process proceeds to step S9.

If the determination in the step S6 is YES, the process shifts to the step S11 to connect to the host device (# 2) 30-2 and transfer the report data from the terminal device. Next,
The operation of the terminal device will be described with reference to FIG. Processing S2
In 1, the terminal device control unit 22 executes processing of data input from the I / O 23.

In step S22, it is determined whether a report request to the host device 30 has been issued during execution in step S22.
If the determination result is NO, the process moves to step S21 to continue the normal process. In the process S23, when the report request is generated in the process S22, the telephone number of the connection addition device 10 is dialed via the I / O 24 to instruct the line setting with the host device 30.

The telephone line network 50 sets a line to a device (connection additional device) corresponding to the dialed number transmitted via the I / O 24. In process S24, the connection adding device 1
The response data is analyzed from 0 to determine whether the response is a report OK response to the host device, that is, whether the response is a response based on the process S10 or S11 described in FIG. And if the determination is YES,
The process jumps from step S25 to step S7 to step S28, and if the determination is NO, shifts to step S25.

In step S25, the telephone number of the preliminary notification destination device 40 transferred from the connection addition device 10 is recorded in the recording unit 21, and the process proceeds to step S26 to release the line between the currently set connection addition devices. That is, the on-hook state is set. In the processing S27, the processing S25 is executed via the I / O 24.
Then, the telephone number of the preliminary notification destination device 40 recorded in the recording unit 21 is read, and a dial corresponding to the read numerical value is performed to instruct a line setting.

In step S28, when a line is set with the preliminary report destination device 40 based on the line setting command in step S27, report data is transmitted. In the process S29, the line set when the transmission of the notification data is completed is released, and the process S29 is executed.
Then, the process proceeds to S21 and the processes S21 to S29 are repeated.

In this embodiment, the host device failure detecting unit 12 detects a failure based on whether or not there is a response from the host device 30 to the connection request, that is, whether the host device has a failure. Alternatively, a defect corresponding to the case where the processing of the host device is congested may be detected, and if congested, for example, a command may be issued to the terminal device to make a call again after X minutes.

In the embodiment, the host devices # 1 and #
Although both devices are described as being installed in the same building, for example, a device # 2 is installed in another building, and a connection request to the device # 2 is dialed to a telephone network to set a line.
Thereafter, a connection request may be made.

Although the embodiment of the present invention has been described above, the present invention is not limited to this embodiment, and various modifications in accordance with the gist of the invention are possible.

[0027]

As described above, according to the present invention, the following effects can be obtained. The host device is a note of the report destination at the time of failure, if I have a problem occurs in the host device when there is an incoming call from the terminal equipment, the telephone number of a report destination that is recorded is read terminal equipment since so as to sent to the terminal device can perform notification by dialing a telephone number that is transferred, to report the emergency can be addressed. Also, when the spare notification destination is changed
Even if you change the phone number of a certain report destination
Can be dealt with. This means, for example, that
Many terminal devices that are required when
No need to change the
It is valid.

[Brief description of the drawings]

FIG. 1 is a basic configuration diagram of the present invention.

FIG. 2 is a configuration diagram of an embodiment of the present invention.

FIG. 3 is an operation flowchart of the connection adding apparatus of the embodiment.

FIG. 4 is an operation flowchart of the terminal device of the embodiment.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 preliminary report destination recording means 2 host device failure detecting means 3 preliminary report destination sending means 10 connection additional device 20 terminal device 30 host device 40 preliminary report destination device 50 telephone network 11 preliminary report destination recording unit 12 host device defect detection unit 13 Preliminary notification destination sending unit

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H04M 11/00-11/10 H04M 3/22

Claims (2)

(57) [Claims] 1. A connecting additional apparatus for connecting a telephone line connected to the terminal device and the host device, and the preliminary report destination recording means to record the preliminary report destination, a connection request to the host device from the terminal device when the host device fault detection means to detect the failure of the host device
If, when the failure of the host device by the host device fault detection hand stage is detected, and the preliminary report destination delivery means to delivery the pre-report destination data recorded on the preliminary report destination recording hand stage terminal device, A connection adding device comprising: 2. The host device to which the terminal device is to be connected.
A plurality of hosts , and the host device failure detecting means
Make a connection request to the device in a predetermined order.
When connection with the host device cannot be made, the host device
2. The connection adding device according to claim 1 , wherein a fault is detected .