CN113588118B - Switch cabinet fluorescent optical fiber temperature monitoring system - Google Patents
Switch cabinet fluorescent optical fiber temperature monitoring system Download PDFInfo
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- CN113588118B CN113588118B CN202111027602.2A CN202111027602A CN113588118B CN 113588118 B CN113588118 B CN 113588118B CN 202111027602 A CN202111027602 A CN 202111027602A CN 113588118 B CN113588118 B CN 113588118B
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 54
- 238000012544 monitoring process Methods 0.000 title claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims description 17
- 239000000835 fiber Substances 0.000 claims description 15
- 238000013500 data storage Methods 0.000 claims description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 6
- 230000002452 interceptive effect Effects 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 230000004927 fusion Effects 0.000 claims description 2
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 6
- 239000000523 sample Substances 0.000 description 5
- 238000009529 body temperature measurement Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 230000003287 optical effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
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- 230000016507 interphase Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention discloses a fluorescent optical fiber temperature monitoring system of a switch cabinet, which is characterized in that an optical fiber cable collects temperature information of positions of a movable contact, a fixed contact, a busbar and a cable connector of the switch, and provides alarm, dry contact output, human-computer interface display alarm information, current switch cabinet contact information and historical data of temperature information of each contact in the past month, a display screen at the front end of a display box moves upwards to enable a clamping cylinder to rotate and align with a lower locating hole, a buffer spring ejects out of a clamping cylinder line, so that the clamping cylinder is clamped in the lower locating hole, the display screen at the front end of the display box inclines upwards, the temperature displayed by the display screen is conveniently checked, the display box is rotated, the clamping cylinder is clamped in the upper locating hole, the display box is conveniently rotated during maintenance, and the maintenance of the device is more convenient.
Description
Technical Field
The invention relates to the technical field of optical fiber temperature measurement, in particular to a switch cabinet fluorescent optical fiber temperature monitoring system.
Background
Overheat faults, insulation faults and mechanical faults are important reasons for causing safety accidents of the power system, the occurrence frequency of the overheat faults is more than 50% of the total number of accidents, abnormal temperature rise of the high-voltage distribution device can cause increase of contact resistance, equipment aging, insulation decline and conductor burning, serious ground short circuit can be caused, interphase short circuit is secondary, equipment damage and power supply interruption are caused, and serious personal, power grid and equipment accidents are even caused;
the serious accidents not only bring serious economic loss to power enterprises, but also possibly cause immeasurable bad social influence, as overheat faults are frequently generated and have growing potential, 11.7.2 in eighteen important anti-accident measures of the power grid company (trial) of the national power grid company definitely proposes that elements which are easy to generate overheat faults are subjected to temperature rise monitoring about strengthening the monitoring of the temperature rise of operation equipment, and at present, the development of society also brings higher requirements on safety and quality for the whole power supply link, and the monitoring of the operation temperature of a power distribution device is also an important subject of smart power grid construction, so that the report considers that relevant temperature rise on-line monitoring devices are necessary to be configured in the power distribution device, thereby leading the power enterprises to take preventive measures in a targeted manner and improving the safe power supply level;
along with the development of a power grid and the improvement of equipment technology, a closed 10kV and 35kV system switch cabinet is widely used in the power grid, and the miniaturization and compactness design and the change of electricity consumption environment lead the overheating phenomenon inside the switch cabinet to be a common abnormal state in the use of the switch cabinet, so that the problem that the temperature rise of each main conduction part in the switch cabinet exceeds the standard is commonly existed in some circuits with heavier loads;
in the process of rapid development of electric power in the new era, the stability of the electric power equipment is closely related to life of people, so that the stable operation of the electric power equipment such as a switch cabinet and a dry type transformer is also required to be higher, the temperature of the high-voltage electric power equipment is an important aspect of whether the equipment such as the switch cabinet operates normally or not within a normal range, and is also a reason that the equipment of the switch cabinet is easy to break down, so that an online temperature monitoring system of the high-voltage electric power equipment must have good insulativity, high-precision accuracy, quick response capability and strong anti-interference capability;
but the fluorescent optical fiber temperature monitoring system that present market cubical switchboard used, the temperature display box is direct to install on the spot, and mounted position is lower, inconvenient temperature of looking over the demonstration, and when overhauling, the temperature display box rotates inconveniently, overhauls comparatively trouble, uses not enough convenient, overhauls inefficiency.
Disclosure of Invention
The invention provides a fluorescent optical fiber temperature monitoring system for a switch cabinet, which can effectively solve the problems that in the background technology, the fluorescent optical fiber temperature monitoring system for the switch cabinet in the current market is proposed, a temperature display box is directly installed on site, the installation position is low, the displayed temperature is inconvenient to check, and in the process of overhauling, the temperature display box is inconvenient to rotate, the overhauling is troublesome, the use is inconvenient and the overhauling efficiency is low.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a cubical switchboard fluorescence optic fibre temperature monitoring system, includes display box and optical fiber cable, shift knob and display screen, the optical fiber cable is installed to the rear end face of display box, shift knob is installed to the front end face of display box, the display screen is installed in the front end middle part embedding of display box, the supporting component is installed to the side of display box;
the support assembly comprises a fixed ring, a support frame, a connecting rod, a fixed rod, a rotating groove, a positioning rod, a clamping hole, a buffer spring, a clamping cylinder, a positioning block, a rotating ring, a lower positioning hole and an upper positioning hole;
the two side end faces of the display box are respectively provided with a fixed ring, the middle parts of the two fixed rings are respectively provided with a support frame in a rotating way, the bottom ends of the two support frames are respectively provided with a connecting rod in an embedded way, and a fixed rod is fixedly clamped between the two connecting rods;
the middle part of solid fixed ring has been seted up and has been rotated the groove, the both sides terminal surface of display box corresponds gu fixed ring intermediate position butt fusion and has been seted up the locating lever, joint hole has been seted up at locating lever one end middle part, buffer spring is installed to the locating lever other end, the locating lever outside has cup jointed a joint section of thick bamboo, joint section of thick bamboo one end welding has the locating piece, the support frame top corresponds the welding of the inside position of rotating the groove and has been rotated the ring, the locating hole has been seted up at the support frame top, the locating hole has been seted up down in the support frame top position department below corresponding to last locating hole.
According to the technical scheme, the length of the clamping cylinder is equal to that of the positioning rod, one end of the buffer spring is embedded and mounted at one end of the positioning rod, and the other end of the buffer spring is embedded and mounted inside the clamping cylinder.
According to the technical scheme, the locating block is slidably clamped in the clamping hole, and the outer diameter of the clamping cylinder, the inner diameter of the lower locating hole and the inner diameter of the upper locating hole are equal.
According to the technical scheme, the bottom end of the display box is provided with the cable positioning assembly;
the cable positioning assembly comprises a connecting bent pipe, a first connecting pipe, a second connecting pipe, a third connecting pipe, a semicircular pipe, a fourth connecting pipe and a mounting hole;
the bottom of display box has been seted up the mounting hole, the inside embedding of mounting hole has glued the connection return bend, the bottom of connection return bend has glued first connecting pipe, the one end of first connecting pipe is provided with first connecting pipe one end and is provided with the second connecting pipe, the one end of second connecting pipe is provided with the third connecting pipe, the one end of third connecting pipe has glued the semicircle pipe, the bottom of semicircle pipe has glued the fourth connecting pipe.
According to the technical scheme, the first connecting pipe, the second connecting pipe and the third connecting pipe are of an integrated structure, and the connecting bent pipe, the first connecting pipe, the second connecting pipe, the third connecting pipe, the semicircular pipe and the fourth connecting pipe are communicated.
According to the technical scheme, the side ends of the connecting bent pipe, the first connecting pipe, the second connecting pipe, the third connecting pipe, the semicircular pipe and the fourth connecting pipe are provided with cable openings;
the cable openings of the connecting bent pipe, the first connecting pipe and the third connecting pipe face one side end of the display box, and the cable openings of the second connecting pipe and the fourth connecting pipe face the other side end of the display box.
According to the technical scheme, the wire clamping assembly comprises a limiting pipe, a limiting hole, a clamping rod, an extrusion plate, a rubber plate and an anti-slip sleeve;
two fixed mounting has spacing pipe between the support frame, spacing hole has been seted up at the middle part of spacing pipe, the inside joint in spacing hole has the joint pole, joint pole both ends all glue the stripper plate, the position department that stripper plate one end corresponds spacing pipe glue the rubber slab, joint pole both ends all cup joint fixedly have the antiskid cover.
According to the technical scheme, the anti-slip sleeve is fixedly glued with the end part of the clamping rod, and one end of the anti-slip sleeve is clamped inside the clamping rod.
According to the technical scheme, the optical fiber cable and the display screen (7) are mutually used for data transmission through the interactive system;
the interactive system comprises a data conversion module, a data backup module, a data transmission module and a data storage module;
the data conversion module collects data transmission sensing analog quantity externally connected with the optical fiber cable, converts the data transmission sensing analog quantity and carries out normal digital quantity, wherein the data of the optical fiber cable are classified according to the data, and digital comparison is carried out according to the converted quantity of the data;
the optical fiber cable acquires temperature information of positions of a movable contact, a fixed contact, a busbar and a cable joint of the switch;
providing alarm, outputting a dry contact point, displaying alarm information on a human-computer interface, and displaying historical data of the contact information of each current switch cabinet and the temperature information of each contact in the past month in real time;
the data backup module uniquely stores the converted data of each time, is in a read-only mode, is initially set to be 1, and needs to compare through new data after each time of backup and then delete the data;
the data transmission module encrypts and transmits data, and then maintains the data;
the data storage module stores 1-14 data transmitted each time and sequentially replaces the data.
According to the technical scheme, the data storage module is a memory hard disk, and is in butt joint with the system through a cloud server and a network to finish data storage.
Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use:
1. through setting up solid fixed ring, the support frame, the rotary tank, the locating lever, the joint hole, buffer spring, the joint section of thick bamboo, the locating piece, the rotary ring, lower locating hole and last locating hole, make the display screen of display box front end upwards move, make the joint section of thick bamboo rotate and align with lower locating hole, buffer spring pops out the joint section of thick bamboo outside the line, thereby with the joint section of thick bamboo joint in locating hole is inside down, make the display screen tilt up of display box front end, the temperature that the display screen shows is conveniently looked over, rotate the display box, make the joint section of thick bamboo joint in last locating hole inside, the convenience rotates the display box when the maintenance, it is more convenient to make the maintenance of device.
2. Through setting up connecting bend, first connecting pipe, second connecting pipe, third connecting pipe, semicircle pipe, fourth connecting pipe and mounting hole, fiber cable and first connecting pipe, second connecting pipe, third connecting pipe and fourth connecting pipe joint, the cable mouth orientation is crisscross to be set up to can make fiber cable accomodate in the display box bottom, conveniently when rotating the display box, fiber cable is from semicircle pipe and the inside natural separation of fourth connecting pipe, for the rotation headspace of display box, difficult dragging fiber cable.
3. Through setting up spacing pipe, spacing hole, clamping pole, stripper plate, rubber slab and antiskid cover, with fiber cable joint between spacing pipe and stripper plate, pulling spacing pipe, with the tip antiskid cover joint of spacing pipe inside spacing hole, quick carry out the joint to multiunit fiber cable fixedly, rubber slab buffering and protection are difficult for because fiber cable's fluorescence end pulls the junction that leads to the fact fiber cable and display box to damage to the life extension that makes the device, and simple operation when joint and separation.
4. The data can be conveniently stored and maintained through the transmission system, the risk of data loss is reduced, the backup mode is different, and the later maintenance of the monitored data and the better backup and monitoring of the data can be conveniently realized.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the support frame of the present invention;
FIG. 3 is an enlarged schematic view of the area A of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of the structure of the clamping cylinder of the present invention;
FIG. 5 is a schematic view of the structure of the connecting elbow of the present invention;
FIG. 6 is a schematic view of the structure of the clamping rod of the present invention;
FIG. 7 is a schematic view of the structure of a semicircle tube according to the present invention;
FIG. 8 is a schematic illustration of the present invention;
reference numerals in the drawings: 1. a display box; 2. an optical fiber cable;
3. a support assembly; 301. a fixing ring; 302. a support frame; 303. a connecting rod; 304. a fixed rod; 305. a rotating groove; 306. a positioning rod; 307. a clamping hole; 308. a buffer spring; 309. a clamping cylinder; 310. a positioning block; 311. a rotating ring; 312. a lower positioning hole; 313. an upper positioning hole;
4. a cable positioning assembly; 401. a connecting bent pipe; 402. a first connection pipe; 403. a second connection pipe; 404. a third connection pipe; 405. a semicircular tube; 406. a fourth connection pipe; 407. a mounting hole;
5. a wire clamping assembly; 501. a limiting tube; 502. a limiting hole; 503. a clamping rod; 504. an extrusion plate; 505. a rubber plate; 506. an anti-skid sleeve;
6. a switch button; 7. and a display screen.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Examples: as shown in fig. 1-8, the invention provides a technical scheme, namely a switch cabinet fluorescent optical fiber temperature monitoring system, which comprises a display box 1, an optical fiber cable 2, a switch button 6 and a display screen 7, wherein the optical fiber cable 2 is arranged on the rear end surface of the display box 1, the switch button 6 is arranged on the front end surface of the display box 1, the display screen 7 is embedded and arranged in the middle of the front end of the display box 1, and a support component 3 is arranged at the side end of the display box 1;
the support assembly 3 comprises a fixed ring 301, a support frame 302, a connecting rod 303, a fixed rod 304, a rotating groove 305, a positioning rod 306, a clamping hole 307, a buffer spring 308, a clamping cylinder 309, a positioning block 310, a rotating ring 311, a lower positioning hole 312 and an upper positioning hole 313;
the two side end faces of the display box 1 are provided with fixing rings 301, the middle parts of the two fixing rings 301 are rotatably provided with supporting frames 302, the bottom ends of the two supporting frames 302 are embedded and provided with connecting rods 303, and fixing rods 304 are clamped and fixed between the two connecting rods 303;
the middle part of fixed ring 301 has been seted up and has been rotated groove 305, the welding of both sides terminal surface of display box 1 corresponds fixed ring 301 intermediate position has been offered locating lever 306, clamping hole 307 has been offered in locating lever 306 one end middle part, buffer spring 308 is installed to the other end of locating lever 306, clamping cylinder 309 has been cup jointed to the outside of locating lever 306, the length of clamping cylinder 309 equals with the length of locating lever 306, buffer spring 308's one end embedding is installed in locating lever 306 tip, buffer spring 308's the other end embedding is installed in clamping cylinder 309 is inside, make things convenient for clamping cylinder 309 to install, clamping cylinder 309 one end welding has locating piece 310, locating piece 310 slip joint is inside clamping hole 307, the external diameter of clamping cylinder 309, lower locating hole 312 internal diameter equals to last locating hole 313 internal diameter, make things convenient for clamping cylinder 309 and support frame 302 joint to be fixed, support frame 302 top corresponds the inside position welding of rotating groove 305 and has been rotated ring 311, upper locating hole 313 has been seted up at support frame 302 top, support frame 302 top corresponds the position of upper locating hole 313 below.
The bottom end of the display box 1 is provided with a cable positioning component 4;
the cable positioning assembly 4 comprises a connecting bent pipe 401, a first connecting pipe 402, a second connecting pipe 403, a third connecting pipe 404, a semicircular pipe 405, a fourth connecting pipe 406 and a mounting hole 407;
the mounting hole 407 has been seted up to the bottom of show case 1, the inside embedding of mounting hole 407 has glued connecting bend 401, connecting bend 401's bottom has glued first connecting tube 402, the one end of first connecting tube 402 is provided with first connecting tube 402 one end and is provided with second connecting tube 403, the one end of second connecting tube 403 is provided with third connecting tube 404, the one end of third connecting tube 404 has glued semicircle pipe 405, the bottom of semicircle pipe 405 has glued fourth connecting tube 406, first connecting tube 402, second connecting tube 403 and third connecting tube 404 are integrated into one piece structure, connecting bend 401, first connecting tube 402, second connecting tube 403, third connecting tube 404, semicircle pipe 405 and fourth connecting tube 406 are linked together, connecting bend 401, first connecting tube 402, second connecting tube 403, third connecting tube 404, semicircle pipe 405, the cable mouth has all been seted up to fourth connecting tube 406 side, connecting bend 401, the cable mouth of first connecting tube 402 and third connecting tube 404 is towards show case 1 one side, the cable mouth of second connecting tube 403 and fourth connecting tube 406 is towards show case 1 opposite side, make things convenient for fiber cable 2 to carry out spacing.
The wire clamping assembly 5 comprises a limiting pipe 501, a limiting hole 502, a clamping rod 503, an extrusion plate 504, a rubber plate 505 and an anti-slip sleeve 506;
a limiting pipe 501 is fixedly arranged between the two supporting frames 302, a limiting hole 502 is formed in the middle of the limiting pipe 501, a clamping rod 503 is clamped in the limiting hole 502, two ends of the clamping rod 503 are respectively and fixedly connected with an extrusion plate 504, a rubber plate 505 is respectively and fixedly connected with two ends of the clamping rod 503 in a sleeved mode, an anti-slip sleeve 506 is fixedly connected between the anti-slip sleeve 506 and the ends of the clamping rod 503 in a sleeved mode, and one end of the anti-slip sleeve 506 is clamped inside the clamping rod 503 to facilitate fixing of the clamping rod 503.
According to the technical scheme, the optical fiber cable 2 and the display screen 7 mutually perform data transmission through the interactive system;
the interactive system comprises a data conversion module, a data backup module, a data transmission module and a data storage module;
the data conversion module collects data transmission sensing analog quantity externally connected with the optical fiber cable 2, then converts the data transmission sensing analog quantity into normal digital quantity, wherein the data of the optical fiber cable 2 are classified according to the data, and digital comparison is carried out according to the converted data;
the optical fiber cable 2 collects temperature information of positions of a movable contact, a fixed contact, a movable bus and a movable bus cable connector of the switch;
providing alarm, outputting a dry contact point, displaying alarm information on a human-computer interface, and displaying historical data of the contact information of each current switch cabinet and the temperature information of each contact in the past month in real time;
the data backup module uniquely stores the converted data of each time, is in a read-only mode, is initially set to be 1, and needs to compare through new data after each time of backup and then delete;
the data transmission module encrypts and transmits data, and then maintains the data;
the data storage module stores 1-14 data transmitted each time and sequentially replaces the data.
According to the technical scheme, the data storage module is a memory hard disk, and is in butt joint with the system through the cloud server and the network to finish data storage.
The data can be conveniently stored and maintained through the transmission system, the risk of data loss is reduced, the backup mode is different, and the later maintenance of the monitored data and the better backup and monitoring of the data can be conveniently realized.
Technical parameters:
| performance index | Parameter value |
| Temperature measuring range | -40～300℃ |
| Temperature resolution | 0.1℃ |
| Temperature measurement accuracy | ±0.5℃ |
| Temperature measuring channel | 1-12 channels |
| Alarm device | Dry contact output and man-machine interface display |
| External interface | RS485 Modbus protocol |
| Temperature picture data refresh | 2S |
| Diameter of probe | φ3mm |
| Power supply input | AC220V±10％，50/60Hz |
The fluorescent optical fiber (including the temperature measuring probe) converts the temperature information of the monitoring part of the temperature measuring probe into an optical signal and transmits the optical signal to the optical fiber temperature measuring transmitter, and the probe of the optical fiber sensor has extremely small size, can be directly arranged on a measured point, and has accurate temperature measurement and quick response; the tail fiber is a soft and firm special fiber, and has the advantages of high transmission bandwidth, stable signal, electromagnetic interference resistance, flex resistance, high impact strength, quick connection and the like; the tail fiber sheath is made of polytetrafluoroethylene, has the characteristics of high temperature resistance, aging resistance, corrosion resistance, high insulation, non-adhesion and the like, and can be suitable for severe use environments such as high voltage, high temperature, strong electromagnetic and the like. I's fiber optic sensor can withstand at least 100KV of high voltage over a length of 0.4 m.
| Temperature measuring range | -40℃～250℃ |
| Probe size | 3mm |
| Probe material | Heat conducting ceramic |
| Length of pigtail | 3-50 m |
| Radius of curvature | Not less than 4.4cm |
| Tensile strength of pigtail interface | Not more than 40N |
| Tensile strength of pigtail | Not more than 100N |
| Optical fiber connector | ST |
The working principle and the using flow of the invention are as follows: after the optical fiber cables 2 are connected with the switch cabinet, arranging the optical fiber cables 2, placing the display box 1 at a proper position, placing the support frame 302 on the ground, then rotating the display box 1, enabling the display screen 7 at the front end of the display box 1 to move upwards, enabling the clamping cylinder 309 to rotate to be aligned with the lower positioning hole 312, and popping up the clamping cylinder 309 out of line by the buffer spring 308, so that the clamping cylinder 309 is clamped in the lower positioning hole 312, enabling the display screen 7 at the front end of the display box 1 to incline upwards, and facilitating the viewing of the temperature displayed by the display screen 7;
then, the optical fiber cable 2 is sequentially clamped inside the first connecting pipe 402, the second connecting pipe 403, the third connecting pipe 404, the semicircular pipe 405 and the fourth connecting pipe 406 from the connecting bent pipe 401, and the cable openings of the first connecting pipe 402, the second connecting pipe 403, the third connecting pipe 404 and the fourth connecting pipe 406 are arranged in a staggered manner, so that the optical fiber cable 2 can be contained at the bottom of the display box 1, the optical fiber cable 2 can be naturally separated from the inside of the semicircular pipe 405 and the fourth connecting pipe 406 when the display box 1 is rotated, a reserved space is reserved for rotation of the display box 1, and the optical fiber cable 2 is not easy to be pulled;
after the optical fiber cables 2 are fixed with the cable positioning assembly 4, the optical fiber cables 2 are clamped between the limiting pipe 501 and the extrusion plate 504, then the limiting pipe 501 is pulled, the end anti-slip sleeve 506 of the limiting pipe 501 is clamped inside the limiting hole 502, a plurality of groups of optical fiber cables 2 can be fast clamped and fixed, buffering and protection are carried out through the rubber plate 505, and the damage to the joint of the optical fiber cables 2 and the display box 1 caused by the pulling of the fluorescent end of the optical fiber cables 2 is not easy, so that the service life of the device is prolonged;
when the wiring position of the optical fiber cable 2 at the rear end of the display box 1 needs to be overhauled, the clamping cylinder 309 is pressed inwards from the lower positioning hole 312, then the display box 1 is rotated, the display box 1 is separated from the lower positioning hole 312, then the rear end of the display box 1 is continuously rotated upwards, when the display box 1 is rotated, the optical fiber cable 2 is driven to move upwards, and accordingly separated from the semicircular tube 405 and the fourth connecting tube 406, the clamping cylinder 309 is aligned with the upper positioning hole 313, the buffer spring 308 ejects the clamping cylinder 309, so that the clamping cylinder 309 is clamped inside the upper positioning hole 313, the display box 1 is conveniently rotated during overhauling, and the overhauling of the device is more convenient.
Finally, it should be noted that: the foregoing is merely a preferred example of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a cubical switchboard fluorescence optic fibre temperature monitoring system, includes display box (1) and optical fiber cable (2), card line subassembly (5), shift knob (6) and display screen (7), its characterized in that: the optical fiber cable (2) is arranged on the rear end face of the display box (1), the switch button (6) is arranged on the front end face of the display box (1), the display screen (7) is embedded in the middle of the front end of the display box (1), and the support component (3) is arranged at the side end of the display box (1);
the supporting component (3) comprises a fixed ring (301), a supporting frame (302), a connecting rod (303), a fixed rod (304), a rotating groove (305), a positioning rod (306), a clamping hole (307), a buffer spring (308), a clamping cylinder (309), a positioning block (310), a rotating ring (311), a lower positioning hole (312) and an upper positioning hole (313);
the display box is characterized in that fixing rings (301) are arranged on the end faces of two sides of the display box (1), supporting frames (302) are rotatably arranged in the middle of the two fixing rings (301), connecting rods (303) are embedded and arranged at the bottom ends of the two supporting frames (302), and fixing rods (304) are fixedly clamped between the two connecting rods (303);
the middle part of solid fixed ring (301) has been seted up and has been rotated groove (305), gu fixed ring (301) intermediate position butt fusion has locating lever (306) to show the both sides terminal surface of case (1), joint hole (307) have been seted up at locating lever (306) one end middle part, buffer spring (308) are installed to locating lever (306) other end, joint section of thick bamboo (309) have been cup jointed to locating lever (306) outside, joint section of thick bamboo (309) one end welding has locating piece (310), support frame (302) top corresponds rotation groove (305) inside position welding has rotation ring (311), upper locating hole (313) have been seted up at support frame (302) top, lower locating hole (312) have been seted up to support frame (302) top position department below corresponding upper locating hole (313).
2. The system according to claim 1, wherein the length of the clamping cylinder (309) is equal to the length of the positioning rod (306), one end of the buffer spring (308) is embedded and mounted at one end of the positioning rod (306), and the other end of the buffer spring (308) is embedded and mounted inside the clamping cylinder (309).
3. The switch cabinet fluorescent optical fiber temperature monitoring system according to claim 1, wherein the positioning block (310) is slidably clamped inside the clamping hole (307), and the outer diameter of the clamping cylinder (309), the inner diameter of the lower positioning hole (312) and the inner diameter of the upper positioning hole (313) are equal.
4. The switch cabinet fluorescent optical fiber temperature monitoring system according to claim 1, wherein a cable positioning component (4) is installed at the bottom end of the display box (1);
the cable positioning assembly (4) comprises a connecting bent pipe (401), a first connecting pipe (402), a second connecting pipe (403), a third connecting pipe (404), a semicircular pipe (405), a fourth connecting pipe (406) and a mounting hole (407);
the bottom of display box (1) has been seted up mounting hole (407), mounting hole (407) inside embedding has glued connecting bend (401), the bottom of connecting bend (401) has glued first connecting pipe (402), the one end of first connecting pipe (402) is provided with first connecting pipe (402) one end and is provided with second connecting pipe (403), the one end of second connecting pipe (403) is provided with third connecting pipe (404), the one end of third connecting pipe (404) has glued semicircle pipe (405), the bottom of semicircle pipe (405) has glued fourth connecting pipe (406).
5. The system for monitoring the temperature of the fluorescent optical fiber of the switch cabinet according to claim 4, wherein the first connecting pipe (402), the second connecting pipe (403) and the third connecting pipe (404) are in an integrated structure, and the connecting bent pipe (401), the first connecting pipe (402), the second connecting pipe (403), the third connecting pipe (404), the semicircular pipe (405) and the fourth connecting pipe (406) are communicated.
6. The switch cabinet fluorescent optical fiber temperature monitoring system according to claim 4, wherein cable ports are formed at side ends of the connecting bent pipe (401), the first connecting pipe (402), the second connecting pipe (403), the third connecting pipe (404), the semicircular pipe (405) and the fourth connecting pipe (406);
the cable openings of the connecting bent pipe (401), the first connecting pipe (402) and the third connecting pipe (404) face one side end of the display box (1), and the cable openings of the second connecting pipe (403) and the fourth connecting pipe (406) face the other side end of the display box (1).
7. The switch cabinet fluorescent optical fiber temperature monitoring system according to claim 1, wherein the wire clamping assembly (5) comprises a limiting pipe (501), a limiting hole (502), a clamping rod (503), an extrusion plate (504), a rubber plate (505) and an anti-slip sleeve (506);
two fixed mounting has spacing pipe (501) between support frame (302), spacing hole (502) have been seted up at the middle part of spacing pipe (501), the inside joint of spacing hole (502) has joint pole (503), joint pole (503) both ends all glue and have squeeze board (504), the position department that squeeze board (504) one end corresponds spacing pipe (501) glue and have rubber slab (505), joint pole (503) both ends all cup joint and are fixed with anti-skidding cover (506).
8. The switch cabinet fluorescent optical fiber temperature monitoring system according to claim 7, wherein the anti-slip sleeve (506) is fixed with the end of the clamping rod (503) in a gluing mode, and one end of the anti-slip sleeve (506) is clamped inside the clamping rod (503).
9. A switchgear fluorescent optical fiber temperature monitoring system according to any of the claims 1-8, characterized in that the optical fiber cable (2) and the display screen (7) are data-transmitted to each other via an interactive system;
the interactive system comprises a data conversion module, a data backup module, a data transmission module and a data storage module;
the data conversion module collects data transmission sensing analog quantity externally connected with the optical fiber cable (2), converts the data transmission sensing analog quantity and carries out normal digital quantity, wherein the data is classified according to the data of the optical fiber cable (2), and digital comparison is carried out according to the converted quantity of the data;
the optical fiber cable (2) collects temperature information of positions of a movable contact, a fixed contact, a busbar and a cable connector of the switch;
providing alarm, outputting a dry contact point, displaying alarm information on a human-computer interface, and displaying historical data of the contact information of each current switch cabinet and the temperature information of each contact in the past month in real time;
the data backup module uniquely stores the converted data of each time, is in a read-only mode, is initially set to be 1, and needs to compare through new data after each time of backup and then delete the data;
the data transmission module encrypts and transmits data, and then maintains the data;
the data storage module stores 1-14 data transmitted each time and sequentially replaces the data.
10. The system for monitoring the temperature of the fluorescent optical fiber of the switch cabinet according to claim 9, wherein the data storage module is a memory hard disk, and the data storage is completed by interfacing with the system through a cloud server and a network.
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| CN202111027602.2A CN113588118B (en) | 2021-09-02 | 2021-09-02 | Switch cabinet fluorescent optical fiber temperature monitoring system |
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| CN202111027602.2A CN113588118B (en) | 2021-09-02 | 2021-09-02 | Switch cabinet fluorescent optical fiber temperature monitoring system |
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| CN113588118B true CN113588118B (en) | 2024-04-12 |
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| CN113588118A (en) | 2021-11-02 |
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