CN201947267U - Bypass protection equipment for light path system - Google Patents
Bypass protection equipment for light path system Download PDFInfo
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- CN201947267U CN201947267U CN2010206753859U CN201020675385U CN201947267U CN 201947267 U CN201947267 U CN 201947267U CN 2010206753859 U CN2010206753859 U CN 2010206753859U CN 201020675385 U CN201020675385 U CN 201020675385U CN 201947267 U CN201947267 U CN 201947267U
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Abstract
The utility model discloses bypass protection equipment for a light path system, which comprises a main control module, a light power monitoring module and a light path switching module, wherein the light power monitoring module and the light path switching module are connected with the main control module; the light path switching module is connected with a transfer switch which is connected with the input of the protected equipment and the bypass of the protected equipment; the main control module comprises a setting value storage unit and a logic analysis unit; various paths of inputs of the protected equipment are respectively connected with corresponding transfer switches; and each transfer switch is connected with the light path switching module. Compared with the prior art, the equipment can select the bypass when the input of certain path or the inputs of multiple paths of the protected equipment are abnormal according to the requirement, so that the overprotection phenomenon can be avoided and the reliability is improved.
Description
Technical field
The utility model relates to communication technical field, is specifically related to a kind of bypass protection equipment of light path system.
Background technology
Light bypass protection system is a kind of intelligent light path switched system that is applied to fiber optic communication field and can walks around the fault network node automatically; energy is recognition network node power supply state and light signal output state automatically; after local light device breaks down (comprising power interruptions, luminous unusual etc.); can switch to the bypass light path moment; communication line will be walked around local device (being malfunctioning node); thereby can avoid owing to obstacle takes place to hinder entirely this malfunctioning node, guarantee that system connectivity is normal.
Notification number is that the utility model patent of CN200997525 discloses a kind of equipment of realizing bypass protection, comprise: protected module, the bypass protection module that links to each other with protected module, and the switching signal generation module that links to each other with protected module and bypass protection module respectively; Wherein, the switching signal generation module is used for generating and controlling signal to the bypass protection module when detecting protected module when being in the abnormal work state; The bypass protection module, when being used to receive the control signal from the switching signal generation module, protected module is switched in bypass.As long as the bypass protection module takes place unusually promptly to switch to protected module, the information in the protected module then can not flow to miscellaneous equipment at this moment in the described equipment of this utility model, and therefore, might there be the overprotection phenomenon in the said equipment.In addition, the said equipment is made as a whole equipment with protected module and bypass protection module, and data are delivered to protected module again through the bypass protection module earlier, and this need change the structure of protected module, has improved production cost.
The utility model content
The technical problems to be solved in the utility model provides a kind of bypass protection equipment of more reliable light path system.
The bypass protection equipment of light path system described in the utility model; comprise main control module and the Optical Power Monitor Module, the light path handover module that are attached thereto; the light path handover module connects diverter switch; diverter switch connects the input of protected equipment and the bypass of this equipment; described main control module contains set point memory cell, logic analysis unit; unlike the prior art be: each road input of protected equipment is connected to corresponding diverter switch respectively, and each diverter switch connects light path handover module.Described equipment described in the utility model detects the optical power value of each road output light signal of protected equipment earlier; compare with each set point respectively then; take place as the optical power value of certain road output unusual, then with this road or all export pairing input optical signal and switch, directly export through bypass.
In the said equipment, described Optical Power Monitor Module comprises optical branching device, photoelectric switching circuit that links to each other with optical branching device that links to each other with protected equipment output light signal and the A/D converter that links to each other with photoelectric switching circuit.
Luminous power receiving element and switching signal transmitting element that the logic analysis unit of described main control module comprises comparison judgment unit and links to each other with comparison judgment unit respectively; When the optical power value that comparison judgment unit judgement luminous power receiving element receives is exceptional value, generates switching signal and be sent to the light path handover module by the switching signal transmitting element.
Described diverter switch is bistable 2 * 2BT optical switch.When the bypass protection device powers down and protected equipment still during operate as normal, be bistable optical switch because the light path handover module adopts, thereby can't cut by mistake to bypass condition, ensured the user because the equipment mistake is cut the loss that causes.
Described photoelectric switching circuit is a photo-detector.
Bypass protection equipment described in the utility model also comprises an in-line power module, the short-term of bypass protection equipment power supply when being used for power down.If bypass protection equipment and protected equipment power down simultaneously; protected equipment produces the light output abnormality because of outage; the electric power system of bypass protection equipment utilization this moment device interior; continue to keep operate as normal a period of time; find that protected equipment is luminous unusual; switch to bypass condition immediately, realized the function of power down bypass.
Be the parameters such as optical power value of current each port of convenient inquiry, equipment described in the utility model also can comprise a network interface that links to each other with main control module, serial port module.
Perhaps also comprise the manual switchover module, be used for installation and lineup, switch demonstration;
Perhaps also comprise the indicator light indicating module, be used to the output that shows that generation is unusual;
Perhaps also comprise the panel button control module, the parameters such as optical power value that are used to inquire about each port;
Perhaps also comprise screen display module, be used to show the parameters such as optical power value of each port;
They link to each other with main control module respectively.
Compared with prior art; bypass takes place to carry out when unusual in certain one or more the output that equipment described in the utility model can be chosen in protected equipment as required; rather than, avoided the overprotection phenomenon as long as protected equipment takes place unusually just to carry out bypass, improved reliability.When the light path handover module adopts bistable 2 * 2BT optical switch, in the bypass protection device powers down and protected equipment still during operate as normal, thereby can not cut to bypass condition by mistake, ensured the user because the equipment mistake is cut the loss that causes; In bypass protection equipment and the power down simultaneously of protected equipment; protected equipment produces under the situation of light output abnormality because of outage; the electric power system of bypass protection equipment utilization this moment device interior; continue to keep operate as normal a period of time; find that protected equipment is luminous unusual; switch to bypass condition immediately, realized the function of power down bypass.
Description of drawings
Fig. 1 is the structural representation of the bypass protection equipment of light path system described in the utility model;
Fig. 2 has the communicating route figure of the bypass protection equipment of 2 tunnel input and output for the utility model.
Embodiment
Below in conjunction with drawings and Examples, the technical solution of the utility model is described.
Fig. 1 is the structural representation of the bypass protection equipment of light path system described in the utility model; it comprises main control module; the Optical Power Monitor Module that links to each other with main control module; the light path handover module; diverter switch; and and main control module; Optical Power Monitor Module; the in-line power module that the light path handover module links to each other with diverter switch; the light path handover module connects diverter switch; diverter switch connects the input of protected equipment and the bypass of this equipment; described main control module contains the set point memory cell; the logic analysis unit; each road input of described protected equipment is connected to corresponding diverter switch respectively, and each diverter switch connects the light path handover module.Also comprise the network interface, the serial port module that link to each other with main control module respectively, manual switchover module, indicator light indicating module, panel button control module and screen display module.
Optical Power Monitor Module described in this equipment is used to detect the optical power value of each road output light signal of protected equipment, each optical power value is delivered to main control module carry out logical process;
Main control module, with the optical power value of each road output light signal of protected equipment respectively with each set point relatively, take place to generate switching signal and be sent to the light path handover module when unusual as certain road output light signal;
The light path handover module is used to receive the switching signal of main control module, generates control signal and is sent to diverter switch, switches, directly exports through bypass certain unusual road taking place or all exporting pairing input optical signal;
The in-line power module, the short-term of bypass protection equipment power supply when being used for power down.If bypass protection equipment and protected equipment power down simultaneously; protected equipment produces the light output abnormality because of outage; the electric power system of bypass protection equipment utilization this moment device interior; continue to keep operate as normal a period of time; find that protected equipment is luminous unusual; switch to bypass condition immediately, realized the function of power down bypass.
Concrete, described Optical Power Monitor Module comprises optical branching device, photoelectric switching circuit that links to each other with optical branching device that links to each other with protected equipment output light signal and the A/D converter that links to each other with photoelectric switching circuit.
Luminous power receiving element and switching signal transmitting element that the logic analysis unit of described main control module comprises comparison judgment unit and links to each other with comparison judgment unit respectively; When the optical power value that comparison judgment unit judgement luminous power receiving element receives is exceptional value, generates switching signal and be sent to the light path handover module by the switching signal transmitting element.
Described diverter switch is bistable 2 * 2BT optical switch.When the bypass protection device powers down and protected equipment still during operate as normal, be bistable optical switch because the light path handover module adopts, thereby can't cut by mistake to bypass condition, ensured the user because the equipment mistake is cut the loss that causes.
Described photoelectric switching circuit is a photo-detector.
During concrete work; each road output light signal of protected equipment is told a part of light through optical branching device respectively and is delivered to photo-detector through A/D converter; become digital signal corresponding to the input optical power level; again the digital signal of gained is delivered to main control module respectively with the set point memory cell in corresponding each set point relatively; take place as the optical power value of certain road output unusual, then as required with this road or all export pairing input optical signal and switch, directly export through bypass.
Fig. 2 is the communicating route figure of bypass protection equipment described in the utility model (2 road input/output signal).As shown in the figure, when protected equipment was in normal operating conditions, the comparison judgment unit of main control module did not generate switching signal, and the data flow of this moment is: from output signal → R3 → T1 → A (Rx) → B (Tx) → R2 → T4 of circuit west side equipment; Output signal → R4 → T2 → B (Rx) → A (Tx) → R1 → T3 from circuit east side equipment.
Protected device fails; but when the optical power value that B (Tx) (or A (Tx)) the road output light signal of protected equipment is only arranged is lower than its set point; the comparison judgment unit of main control module generates switching signal and is sent to the light path handover module; the light path handover module generates control signal and is sent to diverter switch on B (Tx) (or A (the Tx)) road; diverter switch just B (Tx) (or A (Tx)) the road output pairing T1 of light signal (or T2) road input optical signal is switched; directly export through bypass, the data flow of this moment is: from the output signal → R3 → T4 of circuit west side equipment (or: from the output signal → R4 of circuit east side equipment → T3).
Protected device fails, and when the optical power value of B of protected equipment (Tx) and A (Tx) output light signal all is lower than their set point, the comparison judgment unit of main control module generates switching signal and is sent to the light path handover module, the light path handover module generates control signal and is sent to B (Tx) and diverter switch that A (Tx) road is imported, diverter switch is with B (Tx) and A (Tx) road output pairing T1 of light signal and the switching of T2 road input optical signal, directly export through bypass, the data flow of this moment is respectively: from the output signal → R3 → T4 of circuit west side equipment; Output signal → R4 → T3 from circuit east side equipment.
In bypass protection equipment described in the utility model; because what adopt is bistable 22 * 2BT optical switch too; therefore; when one tunnel input (or output) of protected module takes place when unusual; the communication of its one or more input in addition (or output) is still normally, and can realize the communication of protected module this moment by these normal one or more inputs (or output).
Claims (6)
1. the bypass protection equipment of light path system; comprise main control module and the Optical Power Monitor Module, the light path handover module that are attached thereto; the light path handover module connects diverter switch; diverter switch connects the input of protected equipment and the bypass of this equipment; described main control module contains set point memory cell, logic analysis unit, it is characterized in that:
Each road input of protected equipment is connected to corresponding diverter switch respectively, and each diverter switch connects the light path handover module.
2. the bypass protection equipment of light path system according to claim 1 is characterized in that: described Optical Power Monitor Module comprises optical branching device, photoelectric switching circuit that links to each other with optical branching device that links to each other with protected equipment output light signal and the A/D converter that links to each other with photoelectric switching circuit.
3. the bypass protection equipment of light path system according to claim 1 is characterized in that: luminous power receiving element and switching signal transmitting element that the logic analysis unit of described main control module comprises comparison judgment unit and links to each other with comparison judgment unit respectively.
4. the bypass protection equipment of light path system according to claim 1, it is characterized in that: diverter switch is bistable 2 * 2BT optical switch.
5. according to the bypass protection equipment of each described light path system in the claim 1～4, it is characterized in that: also comprise the in-line power module that links to each other with diverter switch with main control module, Optical Power Monitor Module, light path handover module.
6. the bypass protection equipment of light path system according to claim 5 is characterized in that: also comprise a network interface that links to each other with main control module, serial port module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206753859U CN201947267U (en) | 2010-12-22 | 2010-12-22 | Bypass protection equipment for light path system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206753859U CN201947267U (en) | 2010-12-22 | 2010-12-22 | Bypass protection equipment for light path system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201947267U true CN201947267U (en) | 2011-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206753859U Expired - Fee Related CN201947267U (en) | 2010-12-22 | 2010-12-22 | Bypass protection equipment for light path system |
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|---|---|
| CN (1) | CN201947267U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746737A (en) * | 2013-12-25 | 2014-04-23 | 桂林市光隆光电科技有限公司 | Optical switch debugging equipment |
| CN104104429A (en) * | 2014-07-10 | 2014-10-15 | 上海盈智科技有限公司 | Automatic light bypassing method achieved through MEMS optical switch |
| CN116017214A (en) * | 2022-11-30 | 2023-04-25 | 上海欣诺通信技术股份有限公司 | Fault diagnosis system based on optical fiber communication |
-
2010
- 2010-12-22 CN CN2010206753859U patent/CN201947267U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746737A (en) * | 2013-12-25 | 2014-04-23 | 桂林市光隆光电科技有限公司 | Optical switch debugging equipment |
| CN104104429A (en) * | 2014-07-10 | 2014-10-15 | 上海盈智科技有限公司 | Automatic light bypassing method achieved through MEMS optical switch |
| CN116017214A (en) * | 2022-11-30 | 2023-04-25 | 上海欣诺通信技术股份有限公司 | Fault diagnosis system based on optical fiber communication |
| CN116017214B (en) * | 2022-11-30 | 2024-01-26 | 上海欣诺通信技术股份有限公司 | Fault diagnosis system based on optical fiber communication |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110824 Termination date: 20141222 |
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| EXPY | Termination of patent right or utility model |