KR200217298Y1 - Backup Device For Communication Apparatus - Google Patents

Abstract

The present invention relates to a communication means backup device, the main communication means 10 for relaying various data by connecting an external public communication network and a private communication network, and the main communication when the communication failure of the main communication means 10 occurs In the communication means consisting of a backup communication means 20 and a plurality of computers 40 connected through the private communication network performing the same function as the communication means 10, when the communication failure of the main communication means 10 And a switching backup circuit 30 for switching the communication line to the backup communication means 20. In addition, the switching backup circuit 30 communicates the main communication line based on a failure control signal output from the main communication means 10 and the backup communication means 20 when a communication failure of the main communication means 10 occurs. Relay switching unit 31 for switching from the means to the backup communication means, and a manual switch unit 32 is operated manually by the operator managing the private communication network.

Therefore, the present invention provides a communication line in any case by providing a switching backup circuit in the private communication network which switches the communication line to the backup communication means in the event of a communication failure of the main communication means connecting the external public communication network and the internal private communication network. It can maintain communication continuously.

Description

Backup Device For Communication Apparatus}

The present invention relates to a communication means backup device, more specifically, to control the switching of the communication line to the backup communication means in the event of communication failure in the host main communication means of the intranet or LAN (LAN) used by government offices and general enterprises. The present invention relates to a communication means backup device.

At present, there is a great change in information and transactions due to the development of the Internet-based network, and the era of sharing all information and trading without borders is approaching rapidly.

In addition, the creation of virtual spaces through the network brings about the provision of various services and online real-time transactions in these virtual spaces, and the activation of offline real and various agency services as well as specialized information and electronic commerce online. It's happening.

In particular, according to the remarkable development of computer communication technology, a tremendous amount of information is transmitted through a computer communication network, and the Internet or PC communication is performed through a private communication network such as an intranet or a LAN communication network used by public offices and general enterprises.

However, despite the rapid growth of communication technology, there are no preparations for communication failures or they depend on expensive imported equipment, and if the communication failures of the main communication means connected to the external public communication network are not properly dealt with, it is expensive. There was a problem that must be taken into account over time and loss.

The present invention has been devised to solve the above problems, the switching switching the communication line to the backup system in the event of a communication failure in the host main system of the intranet or LAN (LAN) used by government offices and general enterprises It is an object of the present invention to provide a communication means backup device in which a backup circuit is provided in a private communication network, which is low in cost and minimizes communication down time of the communication means and enables communication without interruption.

1 is a block diagram schematically showing the configuration of a communication means backup apparatus according to the present invention;

2 is a circuit diagram schematically showing the internal circuit configuration of the switching backup circuit according to the present invention.

♣ Explanation of symbols for the main parts of the drawing ♣

10: main communication means 20: backup communication means

30: switching backup circuit 31: relay switching unit

32: manual switch unit 40: computer (1-N)

In order to achieve the above object, the present invention connects an external public communication network and a private communication network to perform a relay function of various data, and has the same function as the main communication means when a communication failure occurs in the main communication means. A communication means comprising a backup communication means for performing and a plurality of computers connected through the private communication network, comprising a switching backup circuit for switching the communication line to the backup communication means in the event of a communication failure of the main communication means. A communication means backup device is provided.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention in more detail as follows.

1 is a block diagram schematically showing the configuration of the communication means backup apparatus according to the present invention, Figure 2 is a circuit diagram schematically showing the internal circuit configuration of the switching backup circuit according to the present invention.

Referring to this, the communication means backup device according to the present invention is an internal private communication network, such as an intranet or LAN (LAN) and an external public communication network such as the Internet or public switched telephone network (PSTN) used in public offices and general enterprises Main communication means 10 which is connected to a network and performs a relay role such as access and download of various information data, and performs the same function as the main communication means 10 when a communication failure of the main communication means 10 occurs. Backup communication means 20 to detect the communication failure occurs when the main communication means 10, the switching backup circuit 30 for switching the communication line to the backup communication means 20 and connected through the private communication network It consists of a plurality of computers 40 to be made.

As shown in FIG. 2, the switching backup circuit 30 is based on a failure occurrence control signal output from, for example, the main communication means 10 and the backup communication means 20 when a communication failure of the main communication means 10 occurs. For example, a relay switch 31 having a two-terminal relay and a manual switch unit manually operated by an operator who manages a private communication network switch the furnace communication line from the main communication means (terminal A) to the backup communication means (terminal B). It consists of 32.

The communication means backup apparatus according to the present invention has the above configuration, when the communication failure occurrence control signal is output from the main communication means 10 and the backup communication means 20, the switching backup circuit 30 is currently connected to the communication line. Switching control to switch the communication line from the main communication means 10 to the backup communication means 20. Here, the communication failure occurrence control signal may be output by a separate switch operation not shown by the private network operator.

As shown in FIG. 2, the relay switching unit 31 and the manual switch unit 32 of the switching backup circuit 30 normally have an AC terminal by a power supply and a control signal supplied to the relay switching unit 31. The contact is formed, the manual switch 32 is made of a contact point to the CE terminal communication line is connected to the main communication means 10 to perform communication.

When a communication failure occurs in the main communication means 10, the relay switching unit 31 of the switching backup circuit 30 contacts the BC terminal based on a communication failure occurrence control signal output from the main communication means 10, for example. When converted to, since the manual switch unit 32 maintains the contact state of the CE terminal, the communication line is connected to the backup communication means 20 to communicate. That is, as long as normal power is supplied to the relay switching unit 31 and the manual switch unit 32 is not arbitrarily operated, the relay switching unit 31 can maintain the communication line continuously.

On the other hand, when power is not supplied to the switching backup circuit 30 or an error occurs in a control circuit or the like, the relay switching unit 10 operates by a characteristic of a relay that always maintains a basic contact even without power. Maintain the contact point of the AC terminal in the state, the communication line is connected to the main communication means (10).

In this case, the operator who manages the private communication network maintains the AC terminal contact state of the relay switching unit 31, and manually switches the CE terminal contact point to the BE terminal contact point by manipulating the manual switch unit 32 to establish a communication line. It is connected to the backup communication means 20 to be able to maintain communication in any case.

Therefore, as described above, the present invention provides a private communication network with a switching backup circuit for controlling switching of a communication line to a backup communication means when a communication failure of a communication means connected to an external public communication network occurs. Minimize downtime and ensure uninterrupted communication.

In addition, the communication means backup apparatus according to the present invention is not limited only to the above-described embodiment, and various modifications and changes can be made without departing from the technical gist of the invention.

As described above, the present invention provides a private communication network with a switching backup circuit for controlling switching of a communication line as a backup communication means in the event of a communication failure of a main communication means connecting an external public communication network and an internal private communication network. There is an effect that the communication can be carried out by maintaining the line continuously.

Unlike the conventional backup device, the present invention is capable of maintaining normal operation even in the event of a circuit failure of the backup device or a failure of the power supply device, and it is possible to maintain a high reliability since the backup and switching of the relay and the manual are possible. Regardless of the type of software protocol, it can be applied and, of course, can be provided at a lower cost than a conventional backup device, thereby providing a more economical and efficient backup circuit.

Claims (2)

The main communication means 10 which connects the external public communication network and the private communication network to relay various data and performs the same function as the main communication means 10 when a communication failure occurs in the main communication means 10. In the communication means consisting of a backup communication means 20 and a plurality of computers 40 connected through the private communication network, And a switching backup circuit (30) for controlling switching of a communication line to a backup communication means (20) in the event of a communication failure of the main communication means (10). The method of claim 1, The switching backup circuit 30 connects the communication line to the main communication means based on a failure occurrence control signal output from the main communication means 10 and the backup communication means 20 when a communication failure of the main communication means 10 occurs. And a relay switching unit 31 for switching to the backup communication unit 20 at 10), and a manual switch unit 32 manually operated by an operator managing the private communication network. Device.