CN106385338A - Communication equipment system having fault protection function - Google Patents

Abstract

The invention provides a communication equipment system having a fault protection function. The communication equipment system comprises a fault detection system and a fault protection system. The fault detection system is used for detecting the fault of working of the communication equipment system. The fault protection system is used for protecting the communication equipment system when working of the communication equipment system fails. The fault protection system comprises a brake control module which is used for outputting a brake control signal to a switch control module when working of the communication equipment system fails; the switch control module which is used for controlling a soft start module according to the brake control signal; and the soft start module which is used for performing soft starting of the communication equipment system. According to the communication equipment system having the fault protection function, the communication equipment system is enabled to power off in case of abnormality, and the communication equipment system does not automatically restart without artificial disconnection and restarting so that the risk of shutdown of the communication equipment system in the non-fault state is ensured not to occur.

Description

There is the facility communication system of failure protection function

Technical field

The present invention relates to communication technical field is and in particular to have the facility communication system of failure protection function.

Background technology

If some severe hardware faults occurring in facility communication system and could not excluding in time, facility communication system work The environment made can constantly deteriorate, it is possible to causing veneer to damage even safety accident.

In correlation technique, typically pass through voltage or current fuse (such as protective tube, air switch etc.) protection communication Device systems or facility communication system is protected by temperature-sensitive or light-sensitive device (such as critesistor, light sensitive device etc.) Shield.But, voltage or current fuse need to meet or exceed protection device in facility communication system voltage or electric current Just act on after rated value.If protection device is without self-recovering function, it is accomplished by changing device after working；If protected Shield device band self-recovering function, facility communication system has the risk repeatedly restarted；And for temperature-sensitive and light-sensitive device, communication sets The risk that standby system repeatedly is restarted is bigger.Therefore, the guard method providing in correlation technique is also not abundant.

Content of the invention

For solving the above problems, the present invention is intended to provide having the facility communication system of failure protection function.

The purpose of the present invention employs the following technical solutions to realize：

There is the facility communication system of failure protection function, including fault detection system and fault protection system, described event Barrier detecting system is used for detecting whether the work of facility communication system breaks down, and described fault protection system is used for setting in communication The work of standby system is protected to facility communication system when breaking down；Described fault protection system includes the system being sequentially connected Dynamic control module, switch control module ease up starting module, and described brake control module is used for the work in facility communication system Brake control signal is exported to switch control module, described switch control module is used for according to brake control signal when breaking down Delay startup module is controlled, described delay startup module is used for carrying out delay startup to facility communication system.

Beneficial effects of the present invention are：According to the present invention it is possible to make facility communication system shut down, in communication after exception occurs In the case of the inartificial power-off restarting of device systems, facility communication system will not automatically restart it is ensured that facility communication system not Non-faulting state under out-of-work risk occurs.

Brief description

Using accompanying drawing, the invention will be further described, but the embodiment in accompanying drawing does not constitute any limit to the present invention System, for those of ordinary skill in the art, on the premise of not paying creative work, can also obtain according to the following drawings Other accompanying drawings.

The structure connection diagram of Fig. 1 present invention；

Fig. 2 is the structural representation of fault protection system of the present invention

Fig. 3 is the structural representation of fault detection system of the present invention.

Reference：

Fault detection system 1, fault protection system 2, brake control module 21, switch control module 22, delay startup module 23rd, data acquisition module 11, hardware control module 12, assessment of failure module 13, alarm display module 14, fault location module 15th, fault type determining module 16, information logging modle 17.

Specific embodiment

In conjunction with following application scenarios, the invention will be further described.

Referring to Fig. 1, Fig. 2, Fig. 3, the communication equipment system with failure protection function of an embodiment of this application scene System, including fault detection system 1 and fault protection system 2, described fault detection system 1 is used for detecting the work of facility communication system Whether break down, described fault protection system 2 is used for when the work of facility communication system is broken down to communication equipment System is protected；The brake control module 21 that described fault protection system 2 includes being sequentially connected, switch control module 22 ease up Starting module 23, described brake control module 21 is used for when the work of facility communication system is broken down to switch control module 22 output brake control signals, described switch control module 22 is used for according to brake control signal, delay startup module 23 being controlled System, described delay startup module 23 is used for carrying out delay startup to facility communication system.

Preferably, when determining the combination that there is a kind of fault or various faults, brake control module 21 is to switch control Molding block 22 exports the brake control signal of high level.

Preferably, described according to brake control signal, delay startup module 23 is controlled, including to delay startup module 23 Export the voltage for enabling delay startup module 23.

The above embodiment of the present invention can make facility communication system shut down after exception, inartificial in facility communication system In the case of power-off restarting, facility communication system will not be restarted automatically it is ensured that facility communication system is not in non-faulting shape Out-of-work risk under state.

Preferably, described fault detection system 1 includes data acquisition module 11, hardware control module 12, assessment of failure mould Block 13, alarm display module 14, fault location module 15 and fault type determining module 16, described hardware control module 12 and number Connect according to acquisition module 11 and assessment of failure module 13, hardware control module 12 controls communication described in multiple sensor real-time monitorings Device systems, and the data of real-time monitoring is transported to assessment of failure module 13, described alarm display module by acquisition module 14 are connected with assessment of failure module 13, fault type determining module 16, show malfunction, assessment of failure module 13 is defeated receiving Reported to the police during the alarm signal going out and shown fault type；Described fault location module 15 connecting fault evaluation module 13 and event Barrier determination type module 16, it is analyzed processing with positioning failure sensor by the information that assessment of failure module 13 is sent And location information is sent to fault type determining module 16.

This preferred embodiment constructs the module architectures of fault detection system 1.

Preferably, described data acquisition module 11 includes the data capture unit data amending unit being sequentially connected；Institute State data capture unit to carry out using wireless sensor network, under normal circumstances, only small part sensor node is in work State, carries out data acquisition, data collection cycle be 1s, most of sensor node in a dormant state, when assessment of failure mould During block output alarm signal, in running order sensor node sends to sensor node in a dormant state and wakes up letter Breath, sensor node in a dormant state enters working condition, and data collection cycle shorten to 0.5s simultaneously；Described data is repaiied Positive unit is used for revising the impact under non-standard condition, sensor acquisition data being brought, and introduces correction factor T₀For the standard temperature of working sensor, H₀Wet for the standard of working sensor Degree, wherein T is ambient temperature during sensor acquisition data, and H is ambient humidity during sensor acquisition data.

This preferred embodiment arranges data correction unit, and sensor is obtained in that more accurately observation data.

Preferably, described assessment of failure module 13 includes：

(1) residual signals signal generating unit, for come design error failure fault detection observer and obtaining need according to Gee system method The residual signals of detecting system, failure definition fault detection observer is：

$\widetilde{x_m}=x_m^f+\left[\begin{array}{c}0\\ I\end{array}\right]\left[\begin{array}{cc}{a}_{2i}& I\end{array}\right]x_m$

$x_{m+1}^f=\frac{\left[\begin{array}{cc}{a}_{1i}& 0\\ -a_{2i}& -I\end{array}\right]x_m^f+b_{1i}{K}_m}{\left[\begin{array}{cc}I+a_{2i}{U}_i& U_i\\ a_{2i}{V}_i& V_i\end{array}\right]}$

The computing formula with the residual signals of fault message is：

Herein,

$E_i^{-1}{H}_i=\left[\begin{array}{cc}{a}_{1i}+U_i{U_i}^{-1}{a}_{2i}& U_i{V_i}^{-1}\\ -a_{1i}{a}_{2i}-({V_i}^{-1}+a_{2i}{U}_i{V_i}^{-1})a_{2i}& -({V_i}^{-1}+a_{2i}{U}_i{V_i}^{-1})\end{array}\right]$

Wherein, x_mThe state vector of expression system,Surely show state x_mEstimation,The estimating of expression system output vector Meter,For secondary statuss, C_mRepresent the residual signals with fault message, Z_mFor system mode error, G_mRepresent fault, Y_mFor Unknown outside Bounded Perturbations vector, K_mFor control input vector, a_2i、a_1i、b_1i、c_1iIt is according to the self-defining suitable dimension of system Matrix, d_2iIt is the matrix according to the self-defining sequency spectrum of system, U_i、V_iDesign parameter for described fault-detecting-observer；

(2) assessment of failure unit, for judging whether D.C. magnetic biasing shielding system breaks down, failure definition valuation functions For：

$P\left(C_m\right)=\sqrt{\frac{1}{n}\underset{m=m_0}{\overset{m_0+n}{\mathrm{\Σ}}}{C}_m^T}{C}_m-\underset{K_m\≥0,Y_m\≥0,G_m=0}{SUP}\[\sqrt{\frac{1}{n}\underset{m=m_0}{\overset{m_0+n}{\mathrm{\Σ}}}{C}_m^T}{C}_m\]$

Preferably, m₀For initial evolution time, n is that limited evolution time is interval；If P is (C_m) ＞ 0, described assessment of failure Module output alarm signal, if P is (C_m)≤0, described assessment of failure module 13 exports normal signal.

The fault detection accuracy of the fault detection system 1 of this preferred embodiment setting is high, speed is fast.

Preferably, described alarm display module 14 includes alarm and the LED display being sequentially connected, and comments when receiving fault The alarm signal alarm device estimating module 13 output is reported to the police, and now, LED display is according to fault type determining module 16 Output signal shows fault type；When the normal signal alarm device receiving assessment of failure module 13 output does not work, LED shows Screen display " 00 ".

The alarm display module 14 of this preferred embodiment setting, simple structure is it is easy to implement.

Preferably, described fault location module 15, the sub- observer that it includes being sequentially connected set up unit, decoupling unit and Positioning unit, described sub- observer set up module be directed to each participate in feedback signal sensor set up a series of parallel falls Dimension Robust Observers, each dimensionality reduction Robust Observers corresponds to the output of a sensor；Described decoupling unit utilizes dimensionality reduction Shandong Excellent observer decouples to the output signal of sensor；Described positioning unit is used for positioning failure sensor, if total k ginseng With the sensor of feedback signal, ranging formula is：

$\mathrm{\γ}=j,C_j=\underset{i=0,...k}{max}{C}_i,j\∈\[1,k\]$

Wherein, γ represents fault sensor, C_iThe output signal of sensor and the fall of signal is fed back in expression by i-th participation The estimated value of dimension Robust Observers is compared the residual error deviation obtaining.

The fault location module 15 of this preferred embodiment setting is using the dimensionality reduction Shandong for the output design of each sensor Excellent observer carries out fault quick detection and positioning, and location efficiency is high.

Preferably, described fault detection system 1 also includes information logging modle 17, and described information logging modle 17 includes letter Breath screening unit and information memory cell, described information memory element is a 61GB solid state hard disc, position of failure point and failure classes Type enters into information memory cell through information sifting unit and stores, and has saved memory space, is easy to follow-up work personnel Carry out failture evacuation.The effect of information sifting unit is to select position of failure point and fault type information to carry out from all information Record.

Finally it should be noted that above example is only in order to illustrating technical scheme, rather than the present invention is protected The restriction of shield scope, although having made to explain to the present invention with reference to preferred embodiment, those of ordinary skill in the art should Work as understanding, technical scheme can be modified or equivalent, without deviating from the reality of technical solution of the present invention Matter and scope.

Claims (3)

1. there is the facility communication system of failure protection function, it is characterized in that, including fault detection system and fault protection system, Described fault detection system is used for detecting whether the work of facility communication system breaks down, and described fault protection system is used for When the work of facility communication system is broken down, facility communication system is protected；Described fault protection system includes connecting successively The brake control module that connects, switch control module ease up starting module, and described brake control module is used in facility communication system Work export brake control signal to switch control module when breaking down, described switch control module is used for according to braking control Signal processed is controlled to delay startup module, and described delay startup module is used for carrying out delay startup to facility communication system.

2. the facility communication system with failure protection function according to claim 1, is characterized in that, when determination presence one During the combination of kind fault or various faults, brake control module exports the control for brake letter of high level to switch control module Number.

3. the facility communication system with failure protection function according to claim 2, is characterized in that, described according to braking Control signal is controlled to delay startup module, including the voltage exporting to delay startup module for enabling delay startup module.