CN102780530A - Optical fiber repeater system - Google Patents
Optical fiber repeater system Download PDFInfo
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- CN102780530A CN102780530A CN2011104414587A CN201110441458A CN102780530A CN 102780530 A CN102780530 A CN 102780530A CN 2011104414587 A CN2011104414587 A CN 2011104414587A CN 201110441458 A CN201110441458 A CN 201110441458A CN 102780530 A CN102780530 A CN 102780530A
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Abstract
The invention provides an optical fiber repeater system which comprises a first near-end machine, a first near-end power module, a first far-end machine, a second near-end machine, a second near-end power module, a second far-end machine, a radio frequency switch, a retransmission antenna, a near-end power heat backup control module, a cross backup control switching module, a first far-end power module, a second far-end power module and a far-end power heat backup control module for respectively controlling the first far-end power module and the second far-end power module, wherein the cross backup control switching module respectively detects and judges whether the first far-end machine and the second far-end machine fail; when any one of the far-end machine fails, a signal is switched to the other far-end machine; when optical integration units or radio frequency integration units in the two far-end machines fail, the signal is switched to the corresponding units which do not fail; and therefore, cross backup of key units is realized.
Description
Technical field
The present invention relates to a kind of direct discharging station, relate in particular to a kind of optical fiber repeater system.
Background technology
Optical fiber repeater can solve effectively owing to building block and factors such as ground absorption, space loss cause the radio communication base station range can not reach the desirable problem that covers; But traditional optical fiber repeater generally includes the proximal fiber machine to be made up of duplexer, near-end light integrated module and power module; The optical fiber remote termination is made up of duplexer, far-end light integrated module, radio frequency integrated module and power module; The proximal fiber machine often adopts single-mode transmission optical fiber to link to each other with the optical fiber remote termination is middle; Promptly adopt optical fiber to carry out master-slave back-up mostly to transmission link; Perhaps only can accomplish the parallel connection backup to the part radio-frequency module, not possess functions such as whole system full redundancy Hot Spare and nucleus module crossing hot backup, reliability is low.
Summary of the invention
Technical problem to be solved by this invention is the optical fiber repeater that a kind of full redundancy crossing hot backup need be provided, and improves its security mechanism reliability, reduces failure rate.
To this, the present invention provides a kind of optical fiber repeater system, comprising:
The first near-end machine is connected with outside base station through electric bridge;
The first near-end power module is used for to said first near-end machine power supply;
First remote termination is connected with the said first near-end machine through optical fiber;
The second near-end machine is connected with outside base station through electric bridge;
The second near-end power module is used for to said second near-end machine power supply;
Second remote termination is connected with the said second near-end machine through optical fiber;
RF switch receives the output of said first remote termination and second remote termination respectively;
Retransmitting antenna is used to launch the signal of said RF switch output;
Near-end power supply Hot Spare control module is used for controlling respectively the said first near-end power module and the second near-end power module;
Handover module is controlled in the backup that intersects, and is used for the switching of first remote termination and second remote termination, and the intersection of essential elements is switched in first remote termination and second remote termination;
The first far end supply module is used for to said first remote termination power supply;
The second far end supply module is used for to said second remote termination power supply; And,
Far end supply Hot Spare control module is used for controlling respectively the said first far end supply module and the second far end supply module.
What wherein, electric bridge was used to realize signal closes road and along separate routes; Thereby said intersection backup control handover module judges through the power output that detects said first remote termination and second remote termination whether it breaks down.After detecting first remote termination and breaking down, the backup control handover module that then intersects adopts electronic switch to switch to second remote termination fully, and this process can adopt chip microcontroller; After in detecting first remote termination, breaking down, this intersection backup control handover module adopts electronic switch to switch to second remote termination, realizes the intersection backup, and this process can adopt chip microcontroller.
The present invention includes near, the remote termination equipment of the on all four full redundancy of two covers; This two covers full redundancy is near, remote termination equipment comprises primary, spare near-end machine or the primary, spare remote termination that the first near-end machine, the second near-end machine, first remote termination and second remote termination constitute; The first near-end machine is connected with outside base station through electric bridge, and said first remote termination links to each other through intersection backup control handover module with second remote termination; The mobile radio station of said first remote termination and second remote termination links to each other through RF switch; First remote termination is connected with the said first near-end machine through optical fiber, and second remote termination is connected with the said second near-end machine through optical fiber, among the present invention; The said first near-end machine and first remote termination are main equipment; The said second near-end machine or second remote termination are stand-by equipment, switch to stand-by equipment when arbitrary main equipment breaks down in the first near-end machine or first remote termination, and arbitrary stand-by equipment switches to main equipment when breaking down.
The said first near-end power module and the second near-end power module adopt near-end power supply Hot Spare control module to realize crossing hot backup; The said first far end supply module and the second far end supply module adopt far end supply Hot Spare control module to realize crossing hot backup; Even a certain power module damages, another standby power supply module still can provide power supply respectively for primary, spare near-end machine.
In the prior art; Because Transmission Fibers and each module all do not have any backup; When a certain module of Transmission Fibers, near-end machine or remote termination breaks down, this unjacketed optical fiber direct discharging station will be ineffective fully, and whole aircraft reliability is lower; Railway, subway, light rail etc. signal cover under the higher occasion of reliability requirement the design of unacceptable this optical fiber repeater fully; And adopt the scheme of the optical fiber of transmission link being carried out master-slave back-up, and only can carry out double shield from optical fiber link, if the arbitrary module of equipment breaks down, then equally the problem that optical fiber repeater can not be used can appear.
In the prior art; Also adopt scheme to radio-frequency module parallel connection backup; But double copies have also only been related to radio-frequency module; Independent radio-frequency module parallel connection backup scenario only can limited lifting optical fiber repeater the backup guarantee, power module is core easily worn parts of optical fiber repeater with other key modules, does not but carry out double copies; And it is complicated to adopt the optical fiber repeater of radio-frequency module parallel connection backup to safeguard, when the equipment time-based maintenance, still wants interrupt signal, can not accomplish unbroken maintenance, and it is poor to implement convenience.
Compared with prior art, the present invention adopts and intersects backup control handover module, detects respectively and judges whether said first remote termination and second remote termination break down; When wherein arbitrary remote termination breaks down, signal is switched on another remote termination, and the data on the remote termination of fault are backuped on another remote termination; On this basis, also the first near-end power module, the second near-end power module, the first far end supply module and the second far end supply module have been carried out crossing hot backup, can be when power module breaks down arbitrarily; In time carry out unbroken switching and maintenance; Bring into play perfect security mechanism, reliability is high, and failure rate is low.
The present invention can adapt to the applied environment of the high reliability requirements of support such as track traffic such as railway, subway, light rail fully.
Preferably, the said first near-end machine comprises:
The first near-end duplexer is connected with outside base station through electric bridge;
The first near-end light integrated unit is connected with said first remote termination through optical fiber, and constitutes uplink downlink with the said first near-end duplexer.
Wherein, the said first near-end duplexer is that transmitting of the first near-end machine down link is isolated with the reception signal of up link, guarantees reception and emission operate as normal simultaneously; The first near-end light integrated unit comprises the first near-end CD subelement and the first near-end monitoring panel subelement; The first near-end CD subelement is used for radiofrequency signal is converted into light signal; The first near-end monitoring panel subelement is used for inquiry and the first near-end machine monitoring parameter is set, and communicates with first remote termination simultaneously, when first remote termination breaks down, automatically switches to second remote termination.
The present invention further adopts above-mentioned technical characterictic, and its advantage is, can realize that the automaticdata of first remote termination and second remote termination switches and backup; The first near-end power module, the second near-end power module, the first far end supply module and the second far end supply module have been carried out crossing hot backup; Can when power module breaks down arbitrarily, in time carry out unbroken switching and maintenance, on this basis; The said first near-end machine comprises: the first near-end duplexer and the first near-end light integrated unit; The first near-end light integrated unit is connected with said first remote termination through optical fiber, and constitutes uplink downlink with the said first near-end duplexer, and the first near-end duplexer is isolated with the reception signal of up link with transmitting of down link; Guarantee reception and emission operate as normal simultaneously; Further bring into play perfect security mechanism, reliability is high, and failure rate is lower.
Preferably, the said second near-end machine comprises:
The second near-end duplexer is connected with outside base station through electric bridge;
The second near-end light integrated unit is connected with said second remote termination through optical fiber, and constitutes uplink downlink with the said second near-end duplexer.
Wherein, the said second near-end duplexer is that transmitting of the second near-end machine down link is isolated with the reception signal of up link, guarantees reception and emission operate as normal simultaneously; The second near-end light integrated unit comprises the second near-end CD subelement and the second near-end monitoring panel subelement; The second near-end CD subelement is used for radiofrequency signal is converted into light signal; The second near-end monitoring panel subelement is used for inquiry and the second near-end machine monitoring parameter is set, and communicates with second remote termination simultaneously, when second remote termination breaks down, automatically switches to first remote termination.
The present invention further adopts above-mentioned technical characterictic, and its advantage is, can realize that the automaticdata of first remote termination and second remote termination switches and backup; The first near-end power module, the second near-end power module, the first far end supply module and the second far end supply module have been carried out crossing hot backup; Can when power module breaks down arbitrarily, in time carry out unbroken switching and maintenance, on this basis; The said first near-end machine and the second near-end machine include corresponding near-end duplexer and near-end light integrated unit; The reception and the emission energy that guarantee signal carry out simultaneously, realize that automatic data are switched and backup, further bring into play perfect security mechanism again; Reliability is high, and failure rate is lower.
Preferably, said first remote termination comprises:
The first far-end light integrated unit is connected with the said first near-end machine through optical fiber, and is connected with the said backup control handover module that intersects;
The first far end radio frequency integrated unit, respectively with the said first far end supply module with intersect backup control handover module and be connected;
The first far-end duplexer is connected with mobile radio station through RF switch, and constitutes uplink downlink with the said first far end radio frequency integrated unit.
Wherein, the first far-end light integrated unit comprises the first far-end CD subelement and the first remote monitoring plate unit, constitutes integrated subelement; The first far-end CD subelement is used for the light signal of first remote termination is converted into radiofrequency signal; The first remote monitoring plate unit is used for inquiry and first remote termination monitoring parameter is set; Communicate with the first near-end machine simultaneously; When first remote termination breaks down, automatically switch to second remote termination; The said first far end radio frequency integrated unit is used to realize the down link power amplifier and the up link LNA of first remote termination; The said first far-end duplexer is that transmitting of the first remote termination down link is isolated with the reception signal of up link, and guaranteeing to receive and launch can both the while operate as normal.
Said intersection backup control handover module passes through to detect the luminous power of the integrated subelement of the first far-end light and the power output of the integrated subelement of first far end radio frequency, thereby judges whether light integrated subelement of the first far-end light and the integrated subelement of first far end radio frequency break down.After the integrated subelement of the first far-end light that detects first remote termination or the integrated subelement of first far end radio frequency broke down, the backup control handover module that then intersects adopted electronic switch to switch to second remote termination fully, and handoff procedure can adopt single-chip microcomputer; After integrated subelement fault of the first far-end light or the integrated subelement fault of first far end radio frequency are arranged respectively in detecting first remote termination; The backup control handover module that intersects adopts electronic switch to switch to corresponding backup subelement, realizes the intersection backup of essential elements.
The present invention further adopts above-mentioned technical characterictic; Its advantage is, can realize that the automaticdata of first remote termination and second remote termination switches and backup, and the first near-end power module, the second near-end power module, the first far end supply module and the second far end supply module have been carried out crossing hot backup; Can be when the power module or the subelement of first remote termination break down arbitrarily; In time carry out unbroken switching and maintenance, bring into play perfect security mechanism, reliability is high.
Preferably, said second remote termination comprises:
The second far-end light integrated unit is connected with the said second near-end machine through optical fiber, and is connected with the said backup control handover module that intersects;
The second far end radio frequency integrated unit, respectively with the said second far end supply module with intersect backup control handover module and be connected;
The second far-end duplexer is connected with mobile radio station through RF switch, and constitutes uplink downlink with the said second far end radio frequency integrated unit.
Wherein, the second far-end light integrated unit comprises the second far-end CD subelement and the second remote monitoring plate unit, constitutes integrated subelement; The second far-end CD subelement is used for the light signal of second remote termination is converted into radiofrequency signal; The second remote monitoring plate unit is used for inquiry and second remote termination monitoring parameter is set; Communicate with the second near-end machine simultaneously; When second remote termination breaks down, automatically switch to first remote termination; The said second far end radio frequency integrated unit is used to realize the down link power amplifier and the up link LNA of second remote termination; The said second far-end duplexer is that transmitting of the second remote termination down link is isolated with the reception signal of up link, and guaranteeing to receive and launch can both the while operate as normal.
Said intersection backup control handover module passes through to detect the luminous power of the integrated subelement of the second far-end light and the power output of the integrated subelement of second far end radio frequency, thereby judges whether light integrated subelement of the second far-end light and the integrated subelement of second far end radio frequency break down.After the integrated subelement of the second far-end light that detects second remote termination or the integrated subelement of second far end radio frequency broke down, the backup control handover module that then intersects adopted electronic switch to switch to second remote termination fully, and handoff procedure can adopt single-chip microcomputer; After integrated subelement fault of the second far-end light or the integrated subelement fault of second far end radio frequency are arranged respectively in detecting second remote termination; The backup control handover module that intersects adopts electronic switch to switch to corresponding backup subelement, realizes the intersection backup of essential elements.
The present invention further adopts above-mentioned technical characterictic; Its advantage is; The automaticdata that can realize first remote termination and second remote termination switches and backup; The first near-end power module, the second near-end power module, the first far end supply module and the second far end supply module have been carried out crossing hot backup, can be in the subelement of the subelement of power module, first remote termination or second remote termination during arbitrary breaking down, in time carry out unbroken switching and maintenance; Bring into play perfect security mechanism, improve its reliability.
Preferably, said electric bridge is used for the 3dB electric bridge that signal closes road and shunt.
The present invention further adopts above-mentioned technical characterictic; Its advantage is, can realize that the automaticdata of first remote termination and second remote termination switches and backup, and the subelement of the first near-end power module, the second near-end power module, the first far end supply module, the second far end supply module and this system has been carried out crossing hot backup; The 3dB that realizes signal handles; Comprise and close road and shunt that realize a kind of optical fiber repeater of full redundancy crossing hot backup, reliability is high.
Preferably, the said first near-end machine, the second near-end machine, first remote termination and second remote termination all adopt the hot plug mode.
The present invention further adopts above-mentioned technical characterictic, and its advantage is, has realized a kind of optical fiber repeater of full redundancy crossing hot backup; Reliability is high; On this basis, the said first near-end machine, the second near-end machine, first remote termination and second remote termination all adopt the hot plug mode, can realize in engineering maintenance that signal does not interrupt safeguarding; Signal all can interrupt when standing in engineering maintenance with respect to traditional various optical fiber direct amplifications; In important events such as track traffics, the present invention has avoided the potential safety hazard of bringing because of signal interruption, has improved availability and fail safe.
Preferably, the said first near-end machine, the second near-end machine, first remote termination and second remote termination all adopt indicator light to be used to show its state.
Further adopt above-mentioned technical characterictic; Its advantage is that the present invention has realized a kind of optical fiber repeater of full redundancy crossing hot backup, and reliability is high; Need not to interrupt safeguarding; On this basis, adopt perfect indicator light Presentation Function, can distinguish that the radio frequency that clearly shows the said first near-end machine, the second near-end machine, first remote termination and second remote termination is received, radio frequency is sent out, states such as light is received, light is sent out, data are received, data are sent out, power supply, principal and subordinate's switching; Be very beneficial for engineering staff's identification and maintenance, can in the equipment time-based maintenance, realize the unbroken replacement maintenance of signal.Especially for during the signal periodic maintenances such as track traffic; The state that can show judgment device earlier through perfect indicator light; The optical fiber repeater system that needs are safeguarded only needs replacement respectively to get final product; Easy to maintenance quick, satisfy signal such as track traffic and do not interrupted quick maintenance requirement.
Preferably, said RF switch adopts radio-frequency relay to realize that radio frequency switches.
The present invention can realize a kind of optical fiber repeater of full redundancy crossing hot backup, and reliability is high, need not interrupt signal and safeguards; In addition, said RF switch adopts radio-frequency relay to realize that radio frequency switches, and is simple to operate; Speed is fast, has guaranteed the complete sum safety of data.
Preferably, said near-end power supply Hot Spare control module and far end supply Hot Spare control module all adopt two resistance parallel connections.
The present invention can realize a kind of optical fiber repeater of full redundancy crossing hot backup; Reliability is high, need not interrupt signal and safeguards, in addition; Said near-end power supply Hot Spare control module and far end supply Hot Spare control module all adopt two resistance parallel connections; Simple in structure, safe and reliable, reduced simultaneously and controlled cost.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the present invention;
Fig. 2 is the prior art constructions sketch map.
Embodiment
Below in conjunction with accompanying drawing, more excellent embodiment of the present invention is done further detailed description.
Embodiment 1:
As shown in Figure 1, this example provides a kind of optical fiber repeater system, comprising:
The first near-end machine is connected with outside base station through electric bridge;
The first near-end power module is used for to said first near-end machine power supply;
First remote termination is connected with the said first near-end machine through optical fiber;
The second near-end machine is connected with outside base station through electric bridge;
The second near-end power module is used for to said second near-end machine power supply;
Second remote termination is connected with the said second near-end machine through optical fiber;
RF switch receives the output of said first remote termination and second remote termination respectively;
Retransmitting antenna is used to launch the signal of said RF switch output;
Near-end power supply Hot Spare control module is used for controlling respectively the said first near-end power module and the second near-end power module;
Handover module is controlled in the backup that intersects, and is used for the switching of first remote termination and second remote termination, and the intersection of essential elements is switched in first remote termination and second remote termination;
The first far end supply module is used for to said first remote termination power supply;
The second far end supply module is used for to said second remote termination power supply; And,
Far end supply Hot Spare control module is used for controlling respectively the said first far end supply module and the second far end supply module.
What wherein, electric bridge was used to realize signal closes road and along separate routes; Thereby said intersection backup control handover module judges through the power output that detects said first remote termination and second remote termination whether it breaks down.After detecting first remote termination and breaking down, the backup control handover module that then intersects adopts electronic switch to switch to second remote termination fully, and this process can adopt chip microcontroller; After in detecting first remote termination, breaking down, this intersection backup control handover module adopts electronic switch to switch to second remote termination, realizes the intersection backup, and this process can adopt chip microcontroller.
This example comprises near, the remote termination equipment of the on all four full redundancy of two covers; This two covers full redundancy is near, remote termination equipment comprises primary, spare near-end machine or the primary, spare remote termination that the first near-end machine, the second near-end machine, first remote termination and second remote termination constitute; The first near-end machine is connected with outside base station through electric bridge, and said first remote termination links to each other through intersection backup control handover module with second remote termination; The mobile radio station of said first remote termination and second remote termination links to each other through RF switch; First remote termination is connected with the said first near-end machine through optical fiber, and second remote termination is connected with the said second near-end machine through optical fiber, in this example; The said first near-end machine and first remote termination are main equipment; The said second near-end machine or second remote termination are stand-by equipment, switch to stand-by equipment when arbitrary main equipment breaks down in the first near-end machine or first remote termination, and arbitrary stand-by equipment switches to main equipment when breaking down.
The said first near-end power module and the second near-end power module adopt near-end power supply Hot Spare control module to realize crossing hot backup; The said first far end supply module and the second far end supply module adopt far end supply Hot Spare control module to realize crossing hot backup; Even a certain power module damages, another standby power supply module still can provide power supply respectively for primary, spare near-end machine.
As shown in Figure 2; In the prior art, because Transmission Fibers and each module all do not have any backup, when a certain module of Transmission Fibers, near-end machine or remote termination breaks down; This unjacketed optical fiber direct discharging station will be ineffective fully; Whole aircraft reliability is lower, railway, subway, light rail etc. signal cover under the higher occasion of reliability requirement the design of unacceptable this optical fiber repeater fully; And adopt the scheme of the optical fiber of transmission link being carried out master-slave back-up, and only can carry out double shield from optical fiber link, if the arbitrary module of equipment breaks down, then equally the problem that optical fiber repeater can not be used can appear.
In the prior art; Also adopt scheme to radio-frequency module parallel connection backup; But double copies have also only been related to radio-frequency module; Independent radio-frequency module parallel connection backup scenario only can limited lifting optical fiber repeater the backup guarantee, power module is core easily worn parts of optical fiber repeater with other key modules, does not but carry out double copies; And it is complicated to adopt the optical fiber repeater of radio-frequency module parallel connection backup to safeguard, when the equipment time-based maintenance, still wants interrupt signal, can not accomplish unbroken maintenance, and it is poor to implement convenience.
Compared with prior art, this example adopt to be intersected backup control handover module, detects respectively and judges whether said first remote termination and second remote termination break down; When wherein arbitrary remote termination breaks down, signal is switched on another remote termination, when wherein arbitrary remote termination breaks down; Signal is switched on another remote termination, after in two remote terminations light integrated unit fault or radio frequency integrated cell failure being arranged respectively, signal is switched on the corresponding respectively fault-free unit; Realize the intersection backup of essential elements; On this basis, also the first near-end power module, the second near-end power module, the first far end supply module and the second far end supply module have been carried out crossing hot backup, can be when power module breaks down arbitrarily; In time carry out unbroken switching and maintenance; Bring into play perfect security mechanism, reliability is high, and failure rate is low.
This example can adapt to the applied environment of the high reliability requirements of support such as track traffic such as railway, subway, light rail fully.
Embodiment 2:
Different with embodiment 1 is that the said first near-end machine of this example comprises:
The first near-end duplexer is connected with outside base station through electric bridge;
The first near-end light integrated unit is connected with said first remote termination through optical fiber, and constitutes uplink downlink with the said first near-end duplexer.
Wherein, the said first near-end duplexer is that transmitting of the first near-end machine down link is isolated with the reception signal of up link, guarantees reception and emission operate as normal simultaneously; The first near-end light integrated unit comprises the first near-end CD subelement and the first near-end monitoring panel subelement; The first near-end CD subelement is used for radiofrequency signal is converted into light signal; The first near-end monitoring panel subelement is used for inquiry and the first near-end machine monitoring parameter is set, and communicates with first remote termination simultaneously, when first remote termination breaks down, automatically switches to second remote termination.
This example further adopts above-mentioned technical characterictic, and its advantage is, can realize that the automaticdata of first remote termination and second remote termination switches and backup; The first near-end power module, the second near-end power module, the first far end supply module and the second far end supply module have been carried out crossing hot backup; Can when power module breaks down arbitrarily, in time carry out unbroken switching and maintenance, on this basis; The said first near-end machine comprises: the first near-end duplexer and the first near-end light integrated unit; The first near-end light integrated unit is connected with said first remote termination through optical fiber, and constitutes uplink downlink with the said first near-end duplexer, and the first near-end duplexer is isolated with the reception signal of up link with transmitting of down link; Guarantee reception and emission operate as normal simultaneously; Further bring into play perfect security mechanism, reliability is high, and failure rate is lower.
Embodiment 3:
Different with embodiment 2 is that the said second near-end machine of this example comprises:
The second near-end duplexer is connected with outside base station through electric bridge;
The second near-end light integrated unit is connected with said second remote termination through optical fiber, and constitutes uplink downlink with the said second near-end duplexer.
Wherein, the said second near-end duplexer is that transmitting of the second near-end machine down link is isolated with the reception signal of up link, guarantees reception and emission operate as normal simultaneously; The second near-end light integrated unit comprises the second near-end CD subelement and the second near-end monitoring panel subelement; The second near-end CD subelement is used for radiofrequency signal is converted into light signal; The second near-end monitoring panel subelement is used for inquiry and the second near-end machine monitoring parameter is set, and communicates with second remote termination simultaneously, when second remote termination breaks down, automatically switches to first remote termination.
This example further adopts above-mentioned technical characterictic, and its advantage is, can realize that the automaticdata of first remote termination and second remote termination switches and backup; The first near-end power module, the second near-end power module, the first far end supply module and the second far end supply module have been carried out crossing hot backup; Can when power module breaks down arbitrarily, in time carry out unbroken switching and maintenance, on this basis; The said first near-end machine and the second near-end machine include corresponding near-end duplexer and near-end light integrated unit; The reception and the emission energy that guarantee signal carry out simultaneously, realize that automatic data are switched and backup, further bring into play perfect security mechanism again; Reliability is high, and failure rate is lower.
Embodiment 4:
Different with embodiment 3 is that said first remote termination of this example comprises:
The first far-end light integrated unit is connected with the said first near-end machine through optical fiber, and is connected with the said backup control handover module that intersects;
The first far end radio frequency integrated unit, respectively with the said first far end supply module with intersect backup control handover module and be connected;
The first far-end duplexer is connected with mobile radio station through RF switch, and constitutes uplink downlink with the said first far end radio frequency integrated unit.
Wherein, the first far-end light integrated unit comprises the first far-end CD subelement and the first remote monitoring plate unit, constitutes integrated subelement; The first far-end CD subelement is used for the light signal of first remote termination is converted into radiofrequency signal; The first remote monitoring plate unit is used for inquiry and first remote termination monitoring parameter is set; Communicate with the first near-end machine simultaneously; When first remote termination breaks down, automatically switch to second remote termination; The said first far end radio frequency integrated unit is used to realize the down link power amplifier and the up link LNA of first remote termination; The said first far-end duplexer is that transmitting of the first remote termination down link is isolated with the reception signal of up link, and guaranteeing to receive and launch can both the while operate as normal.
Said intersection backup control handover module passes through to detect the luminous power of the integrated subelement of the first far-end light and the power output of the integrated subelement of first far end radio frequency, thereby judges whether light integrated subelement of the first far-end light and the integrated subelement of first far end radio frequency break down.After the integrated subelement of the first far-end light that detects first remote termination or the integrated subelement of first far end radio frequency broke down, the backup control handover module that then intersects adopted electronic switch to switch to second remote termination fully, and handoff procedure can adopt single-chip microcomputer; After integrated subelement fault of the first far-end light or the integrated subelement fault of first far end radio frequency are arranged respectively in detecting first remote termination; The backup control handover module that intersects adopts electronic switch to switch to corresponding backup subelement, realizes the intersection backup of essential elements.
This example further adopts above-mentioned technical characterictic; Its advantage is, can realize that the automaticdata of first remote termination and second remote termination switches and backup, and the first near-end power module, the second near-end power module, the first far end supply module and the second far end supply module have been carried out crossing hot backup; Can be when the power module or the subelement of first remote termination break down arbitrarily; In time carry out unbroken switching and maintenance, bring into play perfect security mechanism, reliability is high.
Embodiment 5:
As shown in Figure 1, different with embodiment 4 is that said second remote termination of this example comprises:
The second far-end light integrated unit is connected with the said second near-end machine through optical fiber, and is connected with the said backup control handover module that intersects;
The second far end radio frequency integrated unit, respectively with the said second far end supply module with intersect backup control handover module and be connected;
The second far-end duplexer is connected with mobile radio station through RF switch, and constitutes uplink downlink with the said second far end radio frequency integrated unit.
Wherein, the second far-end light integrated unit comprises the second far-end CD subelement and the second remote monitoring plate unit, constitutes integrated subelement; The second far-end CD subelement is used for the light signal of second remote termination is converted into radiofrequency signal; The second remote monitoring plate unit is used for inquiry and second remote termination monitoring parameter is set; Communicate with the second near-end machine simultaneously; When second remote termination breaks down, automatically switch to first remote termination; The said second far end radio frequency integrated unit is used to realize the down link power amplifier and the up link LNA of second remote termination; The said second far-end duplexer is that transmitting of the second remote termination down link is isolated with the reception signal of up link, and guaranteeing to receive and launch can both the while operate as normal.
Said intersection backup control handover module passes through to detect the luminous power of the integrated subelement of the second far-end light and the power output of the integrated subelement of second far end radio frequency, thereby judges whether light integrated subelement of the second far-end light and the integrated subelement of second far end radio frequency break down.After the integrated subelement of the second far-end light that detects second remote termination or the integrated subelement of second far end radio frequency broke down, the backup control handover module that then intersects adopted electronic switch to switch to second remote termination fully, and handoff procedure can adopt single-chip microcomputer; After integrated subelement fault of the second far-end light or the integrated subelement fault of second far end radio frequency are arranged respectively in detecting second remote termination; The backup control handover module that intersects adopts electronic switch to switch to corresponding backup subelement, realizes the intersection backup of essential elements.
This example further adopts above-mentioned technical characterictic; Its advantage is; The automaticdata that can realize first remote termination and second remote termination switches and backup; The first near-end power module, the second near-end power module, the first far end supply module and the second far end supply module have been carried out crossing hot backup, can be in the subelement of the subelement of power module, first remote termination or second remote termination during arbitrary breaking down, in time carry out unbroken switching and maintenance; Bring into play perfect security mechanism, improve its reliability.
Embodiment 6:
Different with embodiment 5 is that this routine said electric bridge is used for signal and closes road and 3dB electric bridge along separate routes.
This example further adopts above-mentioned technical characterictic; Its advantage is, can realize that the automaticdata of first remote termination and second remote termination switches and backup, and the subelement of the first near-end power module, the second near-end power module, the first far end supply module, the second far end supply module and this system has been carried out crossing hot backup; The 3dB that realizes signal handles; Comprise and close road and shunt that realize a kind of optical fiber repeater of full redundancy crossing hot backup, reliability is high.
Embodiment 7:
Different with embodiment 6 is that the said first near-end machine of this example, the second near-end machine, first remote termination and second remote termination all adopt the hot plug mode.
This example further adopts above-mentioned technical characterictic, and its advantage is, has realized a kind of optical fiber repeater of full redundancy crossing hot backup; Reliability is high; On this basis, the said first near-end machine, the second near-end machine, first remote termination and second remote termination all adopt the hot plug mode, can realize in engineering maintenance that signal does not interrupt safeguarding; Signal all can interrupt when standing in engineering maintenance with respect to traditional various optical fiber direct amplifications; In important events such as track traffics, this example has been avoided the potential safety hazard of bringing because of signal interruption, has improved availability and fail safe.
Embodiment 8:
Different with embodiment 7 is that the said first near-end machine of this example, the second near-end machine, first remote termination and second remote termination all adopt indicator light to be used to show its state.
Further adopt above-mentioned technical characterictic; Its advantage is that this example has realized a kind of optical fiber repeater of full redundancy crossing hot backup, and reliability is high; Need not to interrupt safeguarding; On this basis, adopt perfect indicator light Presentation Function, can distinguish that the radio frequency that clearly shows the said first near-end machine, the second near-end machine, first remote termination and second remote termination is received, radio frequency is sent out, states such as light is received, light is sent out, data are received, data are sent out, power supply, principal and subordinate's switching; Be very beneficial for engineering staff's identification and maintenance, can in the equipment time-based maintenance, realize the unbroken replacement maintenance of signal.Especially for during the signal periodic maintenances such as track traffic; The state that can show judgment device earlier through perfect indicator light; The optical fiber repeater system that needs are safeguarded only needs replacement respectively to get final product; Easy to maintenance quick, satisfy signal such as track traffic and do not interrupted quick maintenance requirement.
Embodiment 9
Different with embodiment 6 is that this routine said RF switch adopts radio-frequency relay to realize that radio frequency switches.
This example can realize a kind of optical fiber repeater of full redundancy crossing hot backup, and reliability is high, need not interrupt signal and safeguards; In addition, said RF switch adopts radio-frequency relay to realize that radio frequency switches, and is simple to operate; Speed is fast, has guaranteed the complete sum safety of data.
Embodiment 10:
Different with embodiment 9 is that this routine said near-end power supply Hot Spare control module and far end supply Hot Spare control module all adopt two resistance parallel connections.
This example can realize a kind of optical fiber repeater of full redundancy crossing hot backup; Reliability is high, need not interrupt signal and safeguards, in addition; Said near-end power supply Hot Spare control module and far end supply Hot Spare control module all adopt two resistance parallel connections; Simple in structure, safe and reliable, reduced simultaneously and controlled cost.
Above content is to combine concrete preferred implementation to the further explain that the present invention did, and can not assert that practical implementation of the present invention is confined to these explanations.For the those of ordinary skill of technical field under the present invention, under the prerequisite that does not break away from the present invention's design, can also make some simple deduction or replace, all should be regarded as belonging to protection scope of the present invention.
Claims (10)
1. an optical fiber repeater system is characterized in that, comprising:
The first near-end machine is connected with outside base station through electric bridge;
The first near-end power module is used for to said first near-end machine power supply;
First remote termination is connected with the said first near-end machine through optical fiber;
The second near-end machine is connected with outside base station through electric bridge;
The second near-end power module is used for to said second near-end machine power supply;
Second remote termination is connected with the said second near-end machine through optical fiber;
RF switch receives the output of said first remote termination and second remote termination respectively;
Retransmitting antenna is used to launch the signal of said RF switch output;
Near-end power supply Hot Spare control module is used for controlling respectively the said first near-end power module and the second near-end power module;
Handover module is controlled in the backup that intersects, and is used for the switching of first remote termination and second remote termination, and the intersection of essential elements is switched in first remote termination and second remote termination;
The first far end supply module is used for to said first remote termination power supply;
The second far end supply module is used for to said second remote termination power supply; And,
Far end supply Hot Spare control module is used for controlling respectively the said first far end supply module and the second far end supply module.
2. optical fiber repeater according to claim 1 system is characterized in that the said first near-end machine comprises:
The first near-end duplexer is connected with outside base station through electric bridge;
The first near-end light integrated unit is connected with said first remote termination through optical fiber, and constitutes uplink downlink with the said first near-end duplexer.
3. optical fiber repeater according to claim 2 system is characterized in that the said second near-end machine comprises:
The second near-end duplexer is connected with outside base station through electric bridge;
The second near-end light integrated unit is connected with said second remote termination through optical fiber, and constitutes uplink downlink with the said second near-end duplexer.
4. according to any described optical fiber repeater system of claim 1 to 3, it is characterized in that said first remote termination comprises:
The first far-end light integrated unit is connected with the said first near-end machine through optical fiber, and is connected with the said backup control handover module that intersects;
The first far end radio frequency integrated unit, respectively with the said first far end supply module with intersect backup control handover module and be connected;
The first far-end duplexer is connected with mobile radio station through RF switch, and constitutes uplink downlink with the said first far end radio frequency integrated unit.
5. optical fiber repeater according to claim 4 system is characterized in that said second remote termination comprises:
The second far-end light integrated unit is connected with the said second near-end machine through optical fiber, and is connected with the said backup control handover module that intersects;
The second far end radio frequency integrated unit, respectively with the said second far end supply module with intersect backup control handover module and be connected;
The second far-end duplexer is connected with mobile radio station through RF switch, and constitutes uplink downlink with the said second far end radio frequency integrated unit.
6. optical fiber repeater according to claim 5 system is characterized in that, said electric bridge is used for signal and closes road and 3dB electric bridge along separate routes.
7. optical fiber repeater according to claim 6 system is characterized in that the said first near-end machine, the second near-end machine, first remote termination and second remote termination all adopt the hot plug mode.
8. optical fiber repeater according to claim 7 system is characterized in that the said first near-end machine, the second near-end machine, first remote termination and second remote termination all adopt indicator light to be used to show its state.
9. optical fiber repeater according to claim 6 system is characterized in that, said RF switch adopts radio-frequency relay to realize that radio frequency switches.
10. optical fiber repeater according to claim 9 system is characterized in that said near-end power supply Hot Spare control module and far end supply Hot Spare control module all adopt two resistance parallel connections.
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| CN201110441458.7A CN102780530B (en) | 2011-12-26 | 2011-12-26 | Optical fiber repeater system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110441458.7A CN102780530B (en) | 2011-12-26 | 2011-12-26 | Optical fiber repeater system |
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| CN102780530A true CN102780530A (en) | 2012-11-14 |
| CN102780530B CN102780530B (en) | 2015-04-08 |
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