CN213274633U - Closed bus duct temperature on-line monitoring system - Google Patents
Closed bus duct temperature on-line monitoring system Download PDFInfo
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- CN213274633U CN213274633U CN202021445874.5U CN202021445874U CN213274633U CN 213274633 U CN213274633 U CN 213274633U CN 202021445874 U CN202021445874 U CN 202021445874U CN 213274633 U CN213274633 U CN 213274633U
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- bus duct
- optical fiber
- closed bus
- optic fibre
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Abstract
The utility model provides a closed bus duct temperature on-line monitoring system, including the electrically conductive copper bar of closed bus duct, a plurality of optic fibre temperature sensor, the analytic appearance of optic fibre temperature, the temperature sensing end of a plurality of optic fibre temperature sensor that the dispersion was arranged is fixed on the electrically conductive copper bar of the closed bus duct that needs the temperature measurement through glue or optic fibre fixing base respectively, and the other end of a plurality of optic fibre temperature sensor that the dispersion was arranged all inserts on the analytic appearance of distal end optic fibre temperature, the beneficial effects of the utility model reside in that: the semiconductor or fluorescent optical fiber temperature sensor used by the utility model has the advantages of high measurement precision, high stability and long service life, good stability, high measurement precision and good consistency; self-diagnosis is realized, and manual maintenance is not needed; the system has high expansibility, and can be intelligently upgraded or expanded by the Internet of things.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a power transmission equipment temperature on-line monitoring especially relates to a closed bus duct temperature on-line monitoring system.
[ background of the invention ]
Bus ducts are mostly used in scenes with strict requirements on electric power safety, such as a space between a transformer and a cabinet body, a main line of a large-scale power utilization scene (such as a smelting plant, an automobile assembly line, a terminal building and a convention and exhibition center), and the like. Most of the electric power safety accidents are caused by poor contact points or heating after overload, so that the online hotspot monitoring of the electric power equipment is particularly important. The existing bus duct temperature measurement schemes are roughly divided into the following three types: 1. because the transmission line of the electric signal is a conductor, the direct temperature measurement of the conductive copper bar cannot be carried out, the temperature measurement is realized by monitoring the temperature of the shell of the bus duct, and the delay performance is certain; 2. the indirect measurement based on infrared and surface acoustic waves has the disadvantages that direct measurement is still not available, the temperature measurement result is low in precision, the equipment stability is poor, and manual maintenance is needed; 3. direct measurement based on fiber grating, the disadvantage is that grating reflection or the influence factor of projection light wavelength are more, and the temperature variation of copper bar generally can lead to the cross effect of measuring result along with the change of physical form and butt joint state simultaneously, needs manual intervention analysis, and the grating life-span is relatively short in addition, has the problem of desensitization.
[ Utility model ] content
The utility model aims to solve because the contact point is bad or the overload after generate heat cause the electric power incident easily, consequently to the online focus monitoring of power equipment and a closed bus duct temperature on-line monitoring system that provides.
The utility model discloses a realize through following technical scheme: the utility model provides a closed bus duct temperature on-line monitoring system, includes the conductive copper bar of closed bus duct, a plurality of optic fibre temperature sensor, optic fibre temperature analyzer, and the temperature sensing end of a plurality of optic fibre temperature sensor that the dispersion was arranged is fixed on the conductive copper bar of the closed bus duct that needs the temperature measurement through glue or optic fibre fixing base respectively, and the other end of a plurality of optic fibre temperature sensor that the dispersion was arranged all inserts on the distal end optic fibre temperature analyzer.
The optical fiber temperature analyzer comprises a single-core or multi-core optical connection box and a switching optical cable, wherein the other ends of a plurality of optical fiber temperature sensors which are distributed in a scattered mode are connected into the single-core or multi-core optical connection box, and the single-core or multi-core optical connection box is connected with the plurality of optical fiber temperature sensors which are connected to the single-core or multi-core optical connection box and then connected onto a far-end optical fiber temperature analyzer through the switching optical cable.
Furthermore, a plurality of multi-core optical interfaces are arranged on the optical fiber temperature analyzer.
Further, the optical fiber temperature sensor is a semiconductor or fluorescent optical fiber temperature sensor.
Furthermore, the adapter cable is a multi-core adapter cable.
Further, the glue is epoxy resin.
The beneficial effects of the utility model reside in that:
(1) the semiconductor or fluorescent optical fiber temperature sensor used by the utility model has the advantages of high measurement precision, high stability and long service life, good stability, high measurement precision and good consistency;
(2) self-diagnosis is realized, and manual maintenance is not needed;
(3) the system has high expansibility, and can be intelligently upgraded or expanded by the Internet of things.
[ description of the drawings ]
Fig. 1 is a schematic view of a connection structure of the closed bus duct temperature online monitoring system of the present invention;
FIG. 2 is a schematic view of the connection structure of the single-core or multi-core optical connector and the optical fiber temperature sensor of the present invention;
fig. 3 is the utility model discloses an optic fibre temperature sensor inserts conductive copper bar structure schematic diagram of closed bus duct.
Reference numerals: 1. a conductive copper bar of the closed bus duct; 2. a plurality of optical fiber temperature sensors; 21. a temperature sensing end; 3. an optical fiber temperature analyzer; 31. a multi-core optical interface; 4. a single-core or multi-core optical connector; 5. the optical cable is switched.
[ detailed description ] embodiments
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1, fig. 2, fig. 3, a closed bus duct temperature on-line monitoring system, including closed bus duct's conductive copper bar 1, a plurality of optic fibre temperature sensor 2, optic fibre temperature analysis appearance 3, the temperature sensing end 21 of a plurality of optic fibre temperature sensor 2 that the dispersion was arranged is fixed on the conductive copper bar 1 of closed bus duct that needs the temperature measurement through glue or optic fibre fixing base respectively, the other end of a plurality of optic fibre temperature sensor 2 that the dispersion was arranged all inserts far-end optic fibre temperature analysis appearance 3, the analytic back of accomplishing of optic fibre temperature analysis appearance 3, can handle the multiple rear end of temperature signal, if: the system comprises a comprehensive management system, a power supply system, a temperature information display system, a cloud and high-temperature alarm system, a power supply system and the like.
Preferably, the optical fiber temperature analyzer further comprises a single-core or multi-core optical connector 4 and a switching optical cable 5, the other ends of the plurality of optical fiber temperature sensors 2 which are distributed in a scattered manner are all connected into the single-core or multi-core optical connector 4, and the single-core or multi-core optical connector 4 connects the plurality of optical fiber temperature sensors 2 which are connected to the far-end optical fiber temperature analyzer 3 through the switching optical cable 5.
Preferably, the optical fiber temperature sensor 2 is a semiconductor or fluorescent optical fiber temperature sensor.
Preferably, the optical fiber temperature analyzer 3 is provided with a plurality of multi-core optical interfaces 31.
Preferably, the patch cable 5 is a multi-core patch cable.
Preferably, the glue is epoxy resin.
Appropriate changes and modifications to the embodiments described above will become apparent to those skilled in the art from the disclosure and teachings of the foregoing description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (6)
1. The utility model provides a closed bus duct temperature on-line monitoring system, includes conductive copper bar, a plurality of optic fibre temperature sensor, the analytic appearance of optic fibre temperature of closed bus duct, its characterized in that: the temperature sensing ends of the optical fiber temperature sensors which are distributed in a scattered manner are respectively fixed on a conductive copper bar of the closed bus duct which needs temperature measurement through glue or an optical fiber fixing seat, and the other ends of the optical fiber temperature sensors which are distributed in a scattered manner are all connected to a far-end optical fiber temperature analyzer.
2. The closed bus duct temperature online monitoring system of claim 1, characterized in that: the optical fiber temperature sensor is characterized by further comprising a single-core or multi-core optical connector and a switching optical cable, the other ends of the plurality of optical fiber temperature sensors which are distributed in a dispersed mode are connected into the single-core or multi-core optical connector, and the single-core or multi-core optical connector is connected with the plurality of optical fiber temperature sensors which are connected into the far-end optical fiber temperature analyzer through the switching optical cable.
3. The closed bus duct temperature online monitoring system of claim 1, characterized in that: the optical fiber temperature sensor is a semiconductor or fluorescent optical fiber temperature sensor.
4. The closed bus duct temperature online monitoring system of claim 1, characterized in that: the optical fiber temperature analyzer is provided with a plurality of multi-core optical interfaces.
5. The closed bus duct temperature online monitoring system of claim 2, characterized in that: the switching optical cable is a multi-core switching optical cable.
6. The closed bus duct temperature online monitoring system of claim 1, characterized in that: the glue is epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021445874.5U CN213274633U (en) | 2020-07-21 | 2020-07-21 | Closed bus duct temperature on-line monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021445874.5U CN213274633U (en) | 2020-07-21 | 2020-07-21 | Closed bus duct temperature on-line monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213274633U true CN213274633U (en) | 2021-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021445874.5U Active CN213274633U (en) | 2020-07-21 | 2020-07-21 | Closed bus duct temperature on-line monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213274633U (en) |
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2020
- 2020-07-21 CN CN202021445874.5U patent/CN213274633U/en active Active
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