CN202494458U - Fiber bragg grating online backup device - Google Patents
Fiber bragg grating online backup device Download PDFInfo
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- CN202494458U CN202494458U CN2012200664386U CN201220066438U CN202494458U CN 202494458 U CN202494458 U CN 202494458U CN 2012200664386 U CN2012200664386 U CN 2012200664386U CN 201220066438 U CN201220066438 U CN 201220066438U CN 202494458 U CN202494458 U CN 202494458U
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- fiber grating
- signal processor
- backup device
- online backup
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Abstract
The utility model relates to a fiber bragg grating online backup device. The online backup device comprises an upper computer, a fiber bragg grating signal processor host computer, a fiber bragg grating signal processor standby computer, a on-line backup switching module and a sensor module; the sensor module is connected with the on-line backup switching module through a transmission cable; the on-line backup switching module is respectively connected with the fiber bragg grating signal processor host computer and the fiber bragg grating signal processor standby computer through an optical cable; the fiber bragg grating signal processor host computer and the fiber bragg grating signal processor standby computer are respectively connected to the upper computer to transmit demodulated signals; and the upper computer connects with and controls the on-line backup switching module. According to the fiber bragg grating online backup device, two sets of systems for on-line backup are adopted and automatic intelligent switch can be realized, which enables a method for realizing the on-line backup with convenient use and high reliability.
Description
Technical field
The utility model relates to optical fiber sensing technology, particularly a kind of fiber grating online backup device.
Background technology
Fiber-optic grating sensor is as a kind of novel sensor, its application very extensively.This sensor can be used for measuring a plurality of physical quantitys that comprise strain, stress, temperature, vibration, displacement, acceleration, electric current, voltage, magnetic field, frequency and concentration.The maximum advantage of FBG sensor is to realize multimetering, obtains relevant physical quantity to reach the purpose of warning and fault diagnosis.
Since 20th century the seventies; Little, highly sensitive because of its volume, do not receive that electromagnetic interference (EMI), reliability are high, cost is low, be easy to integrated and hide advantage such as measurement; Be widely used in fields such as oil, electric power, traffic, bridge, its industry has been known as both at home and abroad has most one of new high-tech industry of development prospect.
But along with application enlarges gradually, this industrial market is also progressively enlarging, and the problem that corresponding this sensor occurs in application process is also more and more.Break down in case detect operational system, the consequence that causes can't be imagined.For this reason, the user is to the reliability of total system, and the requirement of sustainable service ability is also increasingly high.For the concern of security at present also seldom, and how to tackle the aspect when going wrong and also be in ignorant state.In case the system failure occurs, general treating method is to suspend to detect, and remeasures after fixing a breakdown then again.But there is blind spot detection time in this mode, and after fixing a breakdown, loss of data can't be given for change in the time of fixing a breakdown.
The utility model content
The purpose of the utility model is to overcome the deficiency that exists in the above-mentioned prior art, and a kind of new fiber grating online backup device is provided.Intelligence was switched when the fiber grating online backup system of the utility model can break down in system, to realize the not interrupt capture of Monitoring Data, kept the stability of system.
In order to reach above-mentioned utility model purpose, the technical scheme that the utility model patent provides is following:
A kind of fiber grating online backup device; It is characterized in that; This online backup device includes host computer, fiber grating signal processor main frame, fiber grating signal processor standby host, heat handover module and sensor assembly fully; Described sensor assembly connects heat through transmission cable and is equipped with handover module; This heat is equipped with handover module and connects fiber grating signal processor main frame and fiber grating signal processor standby host respectively through optical cable, and fiber grating signal processor main frame and fiber grating signal processor standby host are connected host computer respectively with the transmission restituted signal, and described host computer connects and controls described heat and is equipped with handover module.
In the fiber grating online backup device of the utility model, the passage of described sensor assembly detection optical fiber grating is N, wherein N >=2.The number of the fiber-optic grating sensor in each passage is not limit, and is at least one.
In the fiber grating online backup device of the utility model; Described heat is equipped with and includes optical switch control circuit and the array of photoswitch that is connected in the handover module; The data-interface of said host computer connects this light control circuit that opens the light through umbilical cable; The number of flange-interface is N+2N in the said array of photoswitch; N road flange-interface in the array of photoswitch connects the N road fiber grating string in the sensor assembly, and the N road in the array of photoswitch in the flange-interface of 2N road connects fiber grating signal processor main frame, and N road flange-interface connects fiber grating signal processor standby host in addition.
In the fiber grating online backup device of the utility model, the array that said array of photoswitch is formed for the bi-directional light switch of realizing the light transmitted in both directions.
In the fiber grating online backup device of the utility model, described bi-directional light switch or be mechanical optical switch, or for mems optical switch, or be magneto-optic shutter.
In the fiber grating online backup device of the utility model, described fiber grating signal processor main frame and fiber grating signal processor standby host have the same composition structure.
In the fiber grating online backup device of the utility model, the data communication interface between said host computer and fiber grating signal processor main frame and the fiber grating signal processor standby host or be network interface or for the parallel port or for serial ports or for the RS232/485 interface.
In the fiber grating online backup device of the utility model, said host computer and heat are equipped with the data communication interface between the handover module or be parallel port or for serial ports or be the switching value interface.
Based on technique scheme, the fiber grating online backup device of the utility model has following technological merit when the solution detection system breaks down:
The utility model provides and under double-machine warm backup surroundings, adopt the subsequent use fault solution of machine of a machine works; Dual OMU Servers Mode mainly is the sustainable service ability of raising system; When main frame breaks down; Automatically control and switch to standby host work by host computer, switching time is extremely short, can realize the not interrupt capture of data.In addition, the data of main frame collection upload to host computer through data transmission interface, by host computer to data preserve, analytical calculation, demonstration and warning, realized the data backup of total system.
Description of drawings
Fig. 1 is that the structure of the utility model fiber grating online backup device is formed synoptic diagram.
Fig. 2 is the structural representation of array of photoswitch in the utility model fiber grating online backup device.
Embodiment
Below we combine accompanying drawing and implement illustration and come the utility model fiber grating online backup device done further and set forth in detail; Structure in the hope of understand the utility model more cheer and brightly is formed and the course of work, but can not limit the protection domain of the utility model with this.
Please see Fig. 1, Fig. 1 is that the structure of the utility model fiber grating online backup device is formed synoptic diagram.Can know that by figure the fiber grating online backup device of the utility model structurally mainly includes host computer 1, fiber grating signal processor main frame 2, fiber grating signal processor standby host 3, heat handover module 4 and sensor assembly 5 fully.
In the fiber grating online backup device of the utility model; Sensor assembly 5 connects heat through transmission cable and is equipped with handover module 4; This heat is equipped with handover module 4 and connects fiber grating signal processor main frame 2 and fiber grating signal processor standby host 3 respectively through optical cable; Fiber grating signal processor main frame 2 is connected host computer 1 respectively with the transmission restituted signal with fiber grating signal processor standby host 3, and host computer 1 connects and control heat is equipped with handover module 4.
Host computer in the utility model is a computing machine, and its network interface through a kind of 10M/100M utilizes grid line to be connected to fiber grating signal processor main frame 2 and fiber grating signal processor standby host 3 respectively.The detected data of fiber grating signal processor that are arranged in fiber grating signal processor main frame 2 and fiber grating signal processor standby host 3 upload to host computer 1 through network interface; Host computer 1 receive data and to data preserve, analytical calculation and demonstration, if find data exception then report to the police through the warning device that connects.The data exception here is meant that the data that monitor exceed predefined alarming value.
Heat is equipped with 4 of handover modules and links to each other with sensor assembly 5 through transmission cable, and 5 of sensor assemblies are made up of the sensor that can detect various different physical quantities, between each sensor that is pass through the transmission cable connection.Sensor assembly 5 reflexes to fiber grating signal processor main frame 2 or fiber grating signal processor standby host 3 with detected light signal through the overheated handover module 4 that is equipped with, and demodulates different physical messages by wherein fiber grating signal processor.The passage of the sensor assembly detection optical fiber grating in the utility model is N, and wherein the number of sensors M on every passage >=1 is detected in N >=2 when can realize different physical quantities.
Heat is equipped with handover module 4 by host computer 1 control; Adopt array of photoswitch to realize quick switching to the active and standby machine of fiber grating signal Processing; The utility model host computer waits the switching that realizes photoswitch through I/O mouth or relay card; Adopt the reason that photoswitch switches to be that the switching time of photoswitch is shorter, can realize the uninterrupted detection of data.Host computer 1 is equipped with the data communication interface of handover module 4 with heat or be parallel port or for serial ports or be the switching value interface.
Above-mentioned heat is equipped with and includes optical switch control circuit and the array of photoswitch that is connected on the handover module structure.Wherein, the data-interface of host computer 1 connects this light control circuit that opens the light through umbilical cable.Heat is provided with N+2N road flange-interface in the handover module fully, and is as shown in Figure 2.Wherein, the N road flange-interface in the array of photoswitch connects the N road fiber grating passage in the sensor assembly.2N road flange-interface in the array of photoswitch goes out to connect fiber grating signal processor main frame and fiber grating signal processor standby host respectively.Sensor assembly 5 can be equipped with handover module 4 through heat and connect fiber grating signal processor main frame 2 with the transmission of monitoring signal; Can also be equipped with handover module 4 through heat and connect fiber grating signal processor standby host 3 with the transmission of monitoring signal; The two transmission has only one tunnel work, and another road is as subsequent use.
In the fiber grating online backup device of the utility model, the array that array of photoswitch is formed for the bi-directional light switch of realizing the light transmitted in both directions.Its optical transmission direction is following: send light by main frame or standby host; Transfer to sensor assembly through the overheated handover module that is equipped with; Sensor reflexes to main frame or standby host with the light signal that detects through handover module, demodulates corresponding characteristic wave long value, phase value etc. by main frame or standby host.Above-mentioned bi-directional light switch or be mechanical optical switch, or for mems optical switch, or be magneto-optic shutter.
Fiber grating signal processor main frame 2 in the utility model is used for the signal of sensor assembly 5 is detected, and realizes the demodulation to light signal, and the data that arrive to host computer 1 uploading detection through data-interface.Fiber grating signal processor standby host 3 then is in electric heating and is equipped with state; Be not detect heat transfer agent under the normal condition; Have only when host computer switches the detection heat transfer agent is just arranged when requiring stand-by application, and be connected with host computer and to its transmission data through data-interface.
In the utility model, host computer is the Surveillance center of total system, accomplishes the control of all slave computers is selected, and the sensing amount of monitoring point shows, the setting of parameter sensing, the output of pre-alarm and the handoff functionality of photoswitch.In upper computer software, be provided with Data Receiving and memory module, data disaply moudle, alarm output module and photoswitch switching controls module, realize the storage and the demonstration of data, analytical calculation, pre-alarm is judged, is exported corresponding warning message etc.The fiber grating online backup device of the utility model can be realized the synchronous acquisition of a plurality of passages; Have that capacity is big, resolution is high, good reproducibility, picking rate is fast, reliability is high, processing power is powerful, connect the many and compatible strong advantages of measuring point, can be widely used in the detection of the physical quantity of industries such as petrochemical industry, electric power, traffic, bridge.
Claims (9)
1. fiber grating online backup device; It is characterized in that; This online backup device includes host computer, fiber grating signal processor main frame, fiber grating signal processor standby host, heat handover module and sensor assembly fully; Described sensor assembly connects heat through transmission cable and is equipped with handover module; This heat is equipped with handover module and connects fiber grating signal processor main frame and fiber grating signal processor standby host respectively through optical cable, and fiber grating signal processor main frame and fiber grating signal processor standby host are connected host computer respectively with the transmission restituted signal, and described host computer connects and controls described heat and is equipped with handover module.
2. a kind of fiber grating online backup device according to claim 1 is characterized in that, the passage of described sensor assembly detection optical fiber grating is N, wherein N >=2.
3. a kind of fiber grating online backup device according to claim 1 and 2 is characterized in that, each described passage inner fiber grating sensor is at least one.
4. a kind of fiber grating online backup device according to claim 1; It is characterized in that; Described heat is equipped with and includes optical switch control circuit and the array of photoswitch that is connected in the handover module; The data-interface of said host computer connects this light control circuit that opens the light through umbilical cable, and the number of flange-interface is N+2N in the said array of photoswitch, and the N road flange-interface in the array of photoswitch connects the N road fiber grating string in the sensor assembly; N road in the array of photoswitch in the flange-interface of 2N road connects fiber grating signal processor main frame, and N road flange-interface connects fiber grating signal processor standby host in addition.
5. a kind of fiber grating online backup device according to claim 4 is characterized in that, the array that said array of photoswitch is formed for the bi-directional light switch of realizing the light transmitted in both directions.
6. a kind of fiber grating online backup device according to claim 5 is characterized in that, described bi-directional light switch or be mechanical optical switch, or for mems optical switch, or be magneto-optic shutter.
7. a kind of fiber grating online backup device according to claim 1 is characterized in that described fiber grating signal processor main frame and fiber grating signal processor standby host have the same composition structure.
8. a kind of fiber grating online backup device according to claim 1; It is characterized in that the data communication interface between said host computer and fiber grating signal processor main frame and the fiber grating signal processor standby host or be network interface or for the parallel port or for serial ports or for the RS232/485 interface.
9. a kind of fiber grating online backup device according to claim 1 is characterized in that, said host computer and heat are equipped with the data communication interface between the handover module or be parallel port or for serial ports or be the switching value interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200664386U CN202494458U (en) | 2012-02-28 | 2012-02-28 | Fiber bragg grating online backup device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200664386U CN202494458U (en) | 2012-02-28 | 2012-02-28 | Fiber bragg grating online backup device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202494458U true CN202494458U (en) | 2012-10-17 |
Family
ID=47000683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200664386U Expired - Lifetime CN202494458U (en) | 2012-02-28 | 2012-02-28 | Fiber bragg grating online backup device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202494458U (en) |
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2012
- 2012-02-28 CN CN2012200664386U patent/CN202494458U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 314299, Pinghu Jiaxing Economic Development Zone, Zhejiang Province, 988 emerging two road, the first floor of the first floor of the north side of the building Co-patentee after: Shanghai Zishan Photoelectric Technology Co., Ltd. Patentee after: Pinghu Bohui Communication Technology Co., Ltd. Co-patentee after: Shanghai Bandweaver Technology Co., Ltd. Address before: 314299, Pinghu Jiaxing Economic Development Zone, Zhejiang Province, 988 emerging two road, the first floor of the first floor of the north side of the building Co-patentee before: Shanghai Zishan Photoelectric Technology Co., Ltd. Patentee before: Pinghu Bohui Communication Technology Co., Ltd. Co-patentee before: Shanghai Bohui Communication Technology Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 314299 North side of the first floor of No. 988 Xinxing No. 2 Road, Pinghu Economic Development Zone, Jiaxing City, Zhejiang Province Co-patentee after: Shanghai Zishan Photoelectric Technology Co., Ltd. Patentee after: Pinghu Bohui Communication Technology Co., Ltd. Co-patentee after: Shanghai Bohui Technology Co., Ltd. Address before: 314299 North side of the first floor of No. 988 Xinxing No. 2 Road, Pinghu Economic Development Zone, Jiaxing City, Zhejiang Province Co-patentee before: Shanghai Zishan Photoelectric Technology Co., Ltd. Patentee before: Pinghu Bohui Communication Technology Co., Ltd. Co-patentee before: Shanghai Bandweaver Technology Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121017 |
|
| CX01 | Expiry of patent term |