CN202350949U - Switch cabinet fiber grating temperature measuring system - Google Patents
Switch cabinet fiber grating temperature measuring system Download PDFInfo
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- CN202350949U CN202350949U CN2011205160437U CN201120516043U CN202350949U CN 202350949 U CN202350949 U CN 202350949U CN 2011205160437 U CN2011205160437 U CN 2011205160437U CN 201120516043 U CN201120516043 U CN 201120516043U CN 202350949 U CN202350949 U CN 202350949U
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- fiber
- grating temperature
- switch cubicle
- optical
- temperature sensor
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Abstract
The utility model discloses a switch cabinet fiber grating temperature measuring system, which comprises a liquid crystal display screen, wherein the liquid crystal display screen is connected with a temperature measuring host machine; the temperature measuring host machine is connected with an alarm and a fiber splice tray A respectively; the fiber splice tray A is connected with a fiber splice tray B through a multi-core optical cable; the fiber splice tray B is connected with a 1*2 optical path distribution box through a single-core optical cable; the 1*2 optical path distribution box is connected with an optical path distribution box; the optical path distribution box is connected with a fiber grating temperature sensor in a switch cabinet; and wireless alarming communication can be realized between an industrial personal computer and an audible and visual alarm through wire connection or an Ethernet. According to the switch cabinet fiber grating temperature measuring system, functions such as real-time data acquisition, fixed temperature alarm, temperature rising alarm, history data display, remote control, integration of other systems and the like can be realized.
Description
Technical field
The utility model relates to a kind of optical fiber grating temperature-measuring system, particularly relates to the optical fiber grating temperature-measuring system in a kind of switch cubicle.
Background technology
The high-tension switch cabinet of generating plant, transformer station is important electric equipment; In the long-time running process of high-tension switch cabinet; Because positions such as contact in the switch cubicle and bus row junction generate heat greatly because of aging or contact resistance become; Cause contact or busbar junction temperature to raise, make contact resistance further become big, form vicious cycle and finally cause fire failure to cause fault thereby produce more heat.In recent years; In occasions such as power plant, transformer station and transmission lines of electricity, thermal explosion and fire failure have taken place much to cross, cause large-area power-cuts; Economic loss is very big; Therefore predict the running status of switch cubicle in advance, confirm the switch cubicle temperature in allowed limits, become and take precautions against the key that this type of accident produces.
Contact running temperature in the high-tension switch cabinet detects has certain degree of difficulty, mainly be owing to have exposed high pressure within it, and the space is narrow and small, and common temperature electrical measurement method is difficult to monitoring.If adopt traditional electric transducer monitor temperature, electrical signal line causes electronic induction easily, form electromagnetic interference (EMI), and form high-pressure electrostatic easily, even electric breakdown; And adopt infrared non-contact temperature measuring, and be vulnerable to environment and electromagnetic interference (EMI) on every side, and need manually-operated, realize that the cost of on-line monitoring is too high, realize that difficulty is big.
Though existing high-tension switch cabinet temperature measuring equipment can be accomplished in-cabinet temperature and measure, but its function singleness can't be carried out the preservation of historical data and had access to; Do not possess the remote data transmission function yet, therefore can't accomplish the Centralized Monitoring of many temperature measuring equipments, secondly; The utility model adopts fiber-optical grating temperature sensor, can be directly installed on the exposed high-voltage contact, because the High-Voltage Insulation performance of optical fiber; Can directly measure the running temperature of high voltage component, thereby well solve the temperature monitoring problem, and the monitoring through online temperature; Grasp the temperature conditions of key equipment and parts in real time, in time fix a breakdown, the accident that can effectively prevent takes place.
Summary of the invention
To the problem that prior art exists, the purpose of the utility model provides a kind of switch cubicle optical fiber grating temperature-measuring system, has
To achieve these goals; The technical scheme that the utility model adopts is: a kind of switch cubicle optical fiber grating temperature-measuring system, include LCDs, and LCDs links to each other with the thermometric main frame; The thermometric main frame is connected with alarm respectively; The thermometric main frame links to each other with fiber optic closure A, and fiber optic closure A links to each other with fiber optic closure B through multifiber cable, and fiber optic closure B divides box to link to each other through single fiber cable with 1 * 2 light path; 1 * 2 light path divides box to divide box to link to each other with light path again, and the fiber-optical grating temperature sensor in light path is divided box and is located at switch cubicle links to each other.
Be provided with in the described switch cubicle; Fiber-optical grating temperature sensor B and main bus-bar that the fiber-optical grating temperature sensor A that bus casing is installed through little bus of branch and the three-phase on the little bus, the three-phase on the silent switch contact are installed link to each other; Fiber-optical grating temperature sensor B is located on the static contact box; Be provided with the switch static contact in the static contact box, the bottom of switch cubicle is provided with the ground connection main bus-bar.
Described fiber-optical grating temperature sensor, fiber-optical grating temperature sensor A and fiber-optical grating temperature sensor B select single-ended sensor for use, in switch cubicle, adopt and the mode that connects is plugged on its each fine tail in the jack of multichannel light shunt.
Described alarm includes Short message alarm and audible-visual annunciator,
It is characterized in that it is to adopt embedded system, no fan design, low-power consumption, reliability height; Its built-in GPRS communication and ethernet module can be realized unattended remote data acquisition; Power supply mode adopts and the uninterrupted charging circuit of battery, the jumbo lithium battery following operate as normal continuously more than 12 hours that can guarantee to have a power failure.
Communicate by letter through RS-232 interface between industrial computer wherein and the Short message alarm; Can realize that radio alarming communicate by letter through wired connection or through Ethernet between industrial computer wherein and the audible-visual annunciator.Described system test software mainly includes Fibre Optical Sensor analysis software and integrated alarm software, can realize functions such as real-time data acquisition, constant temperature warning, temperature rise warning, historical data demonstration, Long-distance Control and integrated other system.
The beneficial effect of the utility model is:
This system has adopted current advanced person's mechanics of communication, microprocessor technology, digital temperature sensing technology.Low temperature, highfield, wet environment running technology with original creation design.And, be sent to monitoring terminal to data to complete safety through adopting fiber optic materials can avoid the powerful electromagnetic interference (EMI) of high-voltage electrical equipment.
Description of drawings
Fig. 1 is that the system of the utility model constitutes synoptic diagram.
Fig. 2 is the switch cubicle interior section point for measuring temperature synoptic diagram of the utility model.
Embodiment:
Below in conjunction with accompanying drawing the utility model is done further explain.
With reference to Fig. 1; A kind of switch cubicle optical fiber grating temperature-measuring system includes LCDs 1, and LCDs 1 links to each other with thermometric main frame 2; Thermometric main frame 2 is connected with alarm respectively; Thermometric main frame 2 links to each other with fiber optic closure A5, and fiber optic closure A5 links to each other with fiber optic closure B6 through multifiber cable 7, and fiber optic closure B6 divides box 9 to link to each other through single fiber cable 8 and 1 * 2 light path; 1 * 2 light path divides box 9 to divide box 10 to link to each other with light path again, and the fiber-optical grating temperature sensor 12 in light path is divided box 10 and is located at switch cubicle 11 links to each other.
It is to adopt embedded system, no fan design, and power supply mode adopts and the uninterrupted charging circuit of battery.
Described alarm includes Short message alarm and audible-visual annunciator,
The main material of this system adopts optical fiber, and the Te Fulong material that the sheath of optical fiber adopts E.I.Du Pont Company to produce has high temperature resistant, high pressure resistant, high dielectric strength, but also can prevent dust accumulation, has avoided creepage possibility.And adopt space flight glue that each fiber-optical grating temperature sensor 12 is sticked on the point for measuring temperature in the switch cubicle; Optical fiber grating temperature-measuring sensor 12 in the system adopts single-ended sensor; Its fine tail end through and the mode that connects be plugged on respectively in the hyperchannel jack of optical branching device 10; Optical branching device 10 continued accesses are on 1*2 optical branching device 9; Adopt single fiber cable 8 to be connected between 1*2 optical branching device 9 and the optical cable continued access box A6, be connected through multifiber cable 7 between optical cable continued access box A6 and the optical cable continued access box B5, and pass through optical cable continued access box B5 other end incoming communication main push-towing rope; Be connected with the hyperchannel thermometric main frame 2 at center, backstage, thereby realize optical fiber online in real time temperature monitoring and warning a plurality of enclosed switchgears.These hyperchannel thermometric main frame 2 built-in GPRS communication and ethernet modules can be realized unattended remote data acquisition; Its power supply mode adopts and the uninterrupted charging circuit of battery, the jumbo lithium battery following operate as normal continuously more than 12 hours that can guarantee to have a power failure.Its subsystem is built-in with house dog, can under the situation that system meets accident, still can recover automatically.This system adopts many minutes multiplex techniques, realizes the networking of a plurality of sensors, and system adopts synchronous scanning, parallel detecting technology, can accomplish the temperature data acquisition and the transmission of ten thousand monitoring points of as many as in 1 second.And the measurement with temperature rise rate is for temperature monitoring provides strong technological means.
With reference to Fig. 2, Fig. 2 is the switch cubicle interior section point for measuring temperature synoptic diagram of the utility model.A is a bus-bar room among the figure; B is the circuit breaker cart chamber; C is the cable vault; D is the relay metering house, and this fiber-optical grating temperature sensor is installed in respectively on the busbar joint position, the switch static contact copper bar in the switch cubicle circuit breaker cart chamber of bus-bar room, is prone to the heat spot position in the cable splice position of cable vault and the switch cubicle.Part probe temperature point in the * expression switch cubicle wherein, * * * are that the three-phase of sensor is installed.
Be provided with in the described switch cubicle 11; Fiber-optical grating temperature sensor B16 and main bus-bar 17 that the fiber-optical grating temperature sensor A15 that bus casing 13 is installed through little bus 14 of branch and the three-phase on the little bus, the three-phase on the silent switch contact are installed link to each other; Fiber-optical grating temperature sensor B16 is located on the static contact box 19; Be provided with switch static contact 18 in the static contact box 19, the bottom of switch cubicle 11 is provided with ground connection main bus-bar 20.
Described fiber-optical grating temperature sensor 12, fiber-optical grating temperature sensor A15 and fiber-optical grating temperature sensor B16 select single-ended sensor for use, in switch cubicle, adopt and the mode that connects is plugged on its each fine tail in the jack of multichannel light shunt.
Claims (4)
1. switch cubicle optical fiber grating temperature-measuring system; Include LCDs (1), it is characterized in that, LCDs (1) links to each other with thermometric main frame (2); Thermometric main frame (2) is connected with alarm respectively; Thermometric main frame (2) links to each other with fiber optic closure A (5), and fiber optic closure A (5) links to each other with fiber optic closure B (6) through multifiber cable (7), and fiber optic closure B (6) divides box (9) to link to each other through single fiber cable (8) and 1 * 2 light path; 1 * 2 light path divides box (9) to divide box (10) to link to each other with light path again, and the fiber-optical grating temperature sensor (12) in light path is divided box (10) and is located at switch cubicle (11) links to each other.
2. a kind of switch cubicle optical fiber grating temperature-measuring system according to claim 1; It is characterized in that; Be provided with bus casing (13) in the described switch cubicle (11); Fiber-optical grating temperature sensor B (16) and main bus-bar (17) that the fiber-optical grating temperature sensor A (15) that bus casing (13) is installed through little bus of branch (14) and the three-phase on the little bus, the three-phase on the silent switch contact are installed link to each other; Fiber-optical grating temperature sensor B (16) is located on the static contact box (19), is provided with switch static contact (18) in the static contact box (19), and the bottom of switch cubicle (11) is provided with ground connection main bus-bar (20).
3. a kind of switch cubicle optical fiber grating temperature-measuring system according to claim 1; It is characterized in that; Described fiber-optical grating temperature sensor (12), fiber-optical grating temperature sensor A (15) and fiber-optical grating temperature sensor B (16) select single-ended sensor for use, in switch cubicle, adopt and the mode that connects is plugged on its each fine tail in the jack of multichannel light shunt.
4. a kind of switch cubicle optical fiber grating temperature-measuring system according to claim 1 is characterized in that, described alarm includes Short message alarm (3) and audible-visual annunciator (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205160437U CN202350949U (en) | 2011-12-13 | 2011-12-13 | Switch cabinet fiber grating temperature measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205160437U CN202350949U (en) | 2011-12-13 | 2011-12-13 | Switch cabinet fiber grating temperature measuring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202350949U true CN202350949U (en) | 2012-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205160437U Expired - Fee Related CN202350949U (en) | 2011-12-13 | 2011-12-13 | Switch cabinet fiber grating temperature measuring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202350949U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267591A (en) * | 2013-05-24 | 2013-08-28 | 武汉新烽光电科技有限公司 | Tree-type optical fiber temperature sensor system and using method thereof |
| TWI488394B (en) * | 2013-02-07 | 2015-06-11 | Univ Nat Kaohsiung Applied Sci | Electrical enclosure monitoring system and method thereof |
| CN106225950A (en) * | 2016-08-08 | 2016-12-14 | 国网江苏省电力公司徐州供电公司 | A kind of power cable distributed temperature measuring system based on photoswitch |
| CN107069504A (en) * | 2017-03-13 | 2017-08-18 | 无锡亚天光电科技有限公司 | A kind of high-tension switch cabinet temperature probe mounting process |
| CN110702246A (en) * | 2019-10-23 | 2020-01-17 | 厦门潞铠科技有限公司 | Method and system for monitoring connection state of main loop of switch cabinet |
-
2011
- 2011-12-13 CN CN2011205160437U patent/CN202350949U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI488394B (en) * | 2013-02-07 | 2015-06-11 | Univ Nat Kaohsiung Applied Sci | Electrical enclosure monitoring system and method thereof |
| CN103267591A (en) * | 2013-05-24 | 2013-08-28 | 武汉新烽光电科技有限公司 | Tree-type optical fiber temperature sensor system and using method thereof |
| CN103267591B (en) * | 2013-05-24 | 2014-12-10 | 武汉新烽光电科技有限公司 | Tree-type optical fiber temperature sensor system and using method thereof |
| CN106225950A (en) * | 2016-08-08 | 2016-12-14 | 国网江苏省电力公司徐州供电公司 | A kind of power cable distributed temperature measuring system based on photoswitch |
| CN107069504A (en) * | 2017-03-13 | 2017-08-18 | 无锡亚天光电科技有限公司 | A kind of high-tension switch cabinet temperature probe mounting process |
| CN110702246A (en) * | 2019-10-23 | 2020-01-17 | 厦门潞铠科技有限公司 | Method and system for monitoring connection state of main loop of switch cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20120725 Termination date: 20151213 |
|
| EXPY | Termination of patent right or utility model |