Data collection apparatus adopting double standby links and use method thereof

A technology for data acquisition and backup links, applied in data exchange networks, digital transmission systems, error prevention/detection using return channels, etc., can solve problems such as backup link impacts and network links, and ensure normal operation , overcoming vulnerability, eliminating the effect of network paralysis

Inactive Publication Date: 2009-02-18
GUANGDONG TRI SUN ELECTRONICS TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the backup link is also a wired network, once the network is paralyzed, it often directly affects a large area of ​​network links. Therefore, even if dual wired links are used for backup, the backup link may still be affected by the same external factors.

Method used

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  • Data collection apparatus adopting double standby links and use method thereof
  • Data collection apparatus adopting double standby links and use method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Assuming that the main link (wired link) at the exit of the data acquisition application system fails, the link switching process is as follows: figure 2 As shown, the specific steps are:

[0036] Step 201: The link monitoring module and the collection terminal regularly send "link detection data packets" / receive "link detection response data packets" to each other.

[0037] Step 202: The link monitoring module judges whether the receiving interval of the "link detection data packet" exceeds the set threshold, if not, the link is working normally; if it exceeds the threshold, it is considered that the link has "potential failure".

[0038] Step 203: The link monitoring module sends a "link detection data packet" to perform repetitive testing, up to 3 times.

[0039] Step 204: The link monitoring module judges whether the "link detection response data packet" is received in the repetitive trial (that is, judges whether the "link detection response data packet" is recei...

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PUM

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Abstract

The invention relates to the data acquisition field, especially to a data acquisition unit employing dual-reserve links and an application method thereof. The invention comprises a wired bridge, a CDMA(WCDMA / TDSCDMA / GPRS / PHS) wireless network, a switching controller and a link monitoring module; the link monitoring module is respectively connected to the wired bridge, a wireless network and the switching controller; the switching controller is respectively connected to the wired bridge, the wireless network and the link monitoring module. The data acquisition unit is communicated with an acquisition terminal through a wired and a wireless reserve links, which overcomes the frangibility of the prior single link system and eliminates the adverse effect of network paralysis caused by the dual-wireless network links suffer the same extrinsic factor.

Description

technical field [0001] The invention relates to the field of data acquisition, in particular to a data acquisition device using dual backup links and an application method thereof. Background technique [0002] When the data acquisition system collects various data, it is inevitable to encounter network paralysis caused by network equipment failure or other force majeure factors (such as lightning strikes, etc.). At this time, usually due to the single export link, once damaged, the data acquisition system cannot communicate with the outside world in real time, resulting in interruption of data acquisition services. [0003] Traditional data acquisition systems use dual wired networks for backup. Since the backup link is also a wired network, once the network is paralyzed, it will directly affect a large area of ​​network links. Therefore, even if dual wired links are used for backup, the backup link may still be affected by the same external factors. Contents of the inve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/26H04L1/22H04L1/16H04L1/18H04B1/74
Inventor 王炅戴国华
Owner GUANGDONG TRI SUN ELECTRONICS TECH
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