CN103837262A - System for measuring temperature inside high-voltage distribution cabinet through optical fibers - Google Patents
System for measuring temperature inside high-voltage distribution cabinet through optical fibers Download PDFInfo
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- CN103837262A CN103837262A CN201210493410.5A CN201210493410A CN103837262A CN 103837262 A CN103837262 A CN 103837262A CN 201210493410 A CN201210493410 A CN 201210493410A CN 103837262 A CN103837262 A CN 103837262A
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Abstract
A system for measuring the temperature inside a high-voltage distribution cabinet through optical fibers comprises a fluorescent optical fiber temperature sensor, the optical fibers, multiple optical fiber separators of the optical fibers, a spectrum temperature analysis meter, a control center computer, a network router, the internet, a terminal router, an internet wireless transmission base station, a computer and a mobile phone. The fluorescent optical fiber temperature sensor serves as an internal temperature measurement device of the high-voltage distribution cabinet, measured temperature signals are transmitted to the high-voltage distribution cabinet through the optical fibers, and internal data, calculated through a spectrum analysis meter and the computer, of the high-voltage distribution cabinet are uploaded to the control center computer through the internet or transmitted to the mobile phone of a user through the internet and the wireless transmission base station so that the temperature inside the high-voltage distribution cabinet can be remotely monitored conveniently. According to the system, an optical fiber sensor which is safe, reliable and resistance to electromagnetic interference is used as a measuring instrument, so that the temperature inside the high-voltage distribution cabinet is measured.
Description
Technical field
The invention belongs to high voltage power distributing cabinet temperature survey field, relate to a kind of system of utilizing optical fiber to detect high voltage power distributing cabinet internal temperature.
Background technology
In enclosure-type high-low voltage electric power distribution cabinet apparatus field, due to the requirement of the working environment of enclosure-type power distribution cabinet, therefore the working environment of power distribution cabinet is airtight, along with various electronic devices and components and cable aging, contact point between important electrical equipment and cable can be because dust, loosening, oxidation and cause contact resistance excessive and generate heat, and abnormal heating position can cause various potential safety hazards, but due to the sealing requirements of enclosure-type power distribution cabinet, the way that the person's of patrolling and examining routine is patrolled and examined is difficult to observe inner working condition, and because conventional inside temperature measuring equipment is all contactless temperature measuring device, and be easy to be subject to the interference of the environmental factor such as various electromagnetism or power distribution cabinet internal temperature height, therefore occur that thermometric is inaccurate, the shortcoming of job insecurity.Therefore enclosure-type power distribution cabinet being carried out to accurately online real-time thermometric has become a kind of industry urgently to need the problem solving.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of system of utilizing optical fiber to detect high voltage power distributing cabinet internal temperature, there is feature easy to use simple in structure.
To achieve these goals, the technical solution used in the present invention is:
Utilize optical fiber to detect a system for high voltage power distributing cabinet internal temperature, comprise fluorescent optical fiber temperature sensor 2, optical fiber 3, optical fiber multi-channel optical fibre separation vessel 4, spectroscopic temperature analyser 5, control center's computing machine 6, network router 7, internet 8, end router 9, internet wireless transmission base station 11, computing machine 10 and mobile phone 12;
Wherein fluorescent optical fiber temperature sensor 2 is as the inner temperature measuring equipment of high voltage power distributing cabinet 1, measured temperature signal is transferred out high-low voltage electric power distribution cabinet by optical fiber 3, internal data through the high voltage power distributing cabinet after the calculating of spectroanalysis instrument 5 and computing machine 6 utilizes internet 8 to upload to the computing machine 10 of control center, or be transferred to user mobile phone 12 by internet 8 and wireless transmission base station 11, so that the internal temperature of high voltage power distributing cabinet 1 is carried out to remote monitoring.
Compared with prior art, the Fibre Optical Sensor of the safe and reliable anti-electromagnetic interference (EMI) of the present invention, as surveying instrument, has been realized the temperature survey of high voltage power distributing cabinet inside.
Accompanying drawing explanation
Accompanying drawing is structural representation of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is carried out to more detailed explanation.
As shown in the figure, the present invention is a kind of system of utilizing optical fiber to detect high voltage power distributing cabinet internal temperature, mainly comprises fluorescent optical fiber temperature sensor 2, optical fiber 3, optical fiber multi-channel optical fibre separation vessel 4, spectroscopic temperature analyser 5, control center's computing machine 6, network router 7, internet 8, end router 9, internet wireless transmission base station 11, computing machine 10 and mobile phone 12.Several temperature monitoring points are wherein set uniformly in the inside of enclosure-type power distribution cabinet, especially there is the position of potential safety hazard, answer emphasis that monitoring point is set, the fluorescent optical fiber temperature sensor of contact 2 is arranged on it, because fluorescent optical fiber temperature sensor 2 is to adopt the electromagnetism etc. of not therefore being subject to of fluorescence temperature-measurement principle work to affect, can adopt contact temperature-measuring.Use optical fiber multi-channel optical fibre separation vessel 4, the fluorescent optical fiber temperature sensor of each monitoring point of enclosure-type power distribution cabinet can be coupled together by optical fiber 3, then be connected to by the main communications optical cable of optical fiber continued access box on the light analyser of control center.Wherein after the light signal of spectroscopic temperature analyser 5 each monitoring points of reception of control center's computing machine 6, start to calculate the relatively variation of the luminous power of each check point and draw temperature results, and temperature value is shown on the main screen display of control center, and signal is passed to each panalarm and comprise audible-visual annunciator, temperature alarms etc., can also pass to the temperature value of measurement by internet 8 equipment on supervisor's the computing machine 10 of far-end or on mobile phone 12 by internet.
Wherein the principle of fiber-optical grating temperature sensor is: fluorescence formula optical fiber temperature-measurement module is based on the integrated temp measuring system of fluorescence formula optical fiber temperature-measurement principle.Aspect the industrial thermometric of this product under the particular surroundings such as high voltage, strong electromagnetic, there is unique technical advantage.This product core adopts and researches and develops voluntarily at present latest generation fluorescence formula optical fiber temperature-measurement module and probe, have that essential safety, anti-strong electromagnetic, electrical insulating property are good, anti-lightning strike, high precision, stable performance and, the advantage such as the life-span is long, corrosion-resistant, volume is little.Its letter processing section adopts international advanced digital demodulation technology, has real-time online signals collecting, processing and transfer function.The temperature information of measured body is transferred to transmission from sensing, solution and is all utilized light signal to complete, fully realize non-electric detection and essential safety, can be widely used in generating, become multiple industrial environment and the research fields such as power transmission, Aero-Space, industrial microwave, medical treatment, food processing, petrochemical complex, plastic, rubber industry, microwave chemical.This product need not calibrate in lifetime, is particularly suitable for the Real-Time Monitoring to temperature in the special industry environment such as high voltage, strong electromagnetic (EMI/RFI/EMP).Meanwhile, fluorescence formula optical fiber temperature-measurement modular design flexible form, reliability are high, can complete the multipoint temperature monitoring of topological structure complexity, have higher environmental suitability.Fluorescence optical fiber thermal module uses demodulation part and temperature probe composition, and the fluorescent object (film) that probe is installed by multimode optical fiber with at its top forms.Fluorescent material is being subject to after the light stimulus of certain wavelength (being excited to compose), and stimulated radiation goes out fluorescent energy.After excitation is cancelled, the continuation of fluorescence sunset glow depends on the factors such as fluorescent material characteristic, environment temperature.This fluorescence that is stimulated is normally decayed by exponential manner, and we claim that the time constant of decay is fluorescence lifetime or fluorescence sunset glow time (ns).We find, under different environment temperatures, fluorescence sunset glow decay is also different.Therefore by measuring the length in fluorescence sunset glow life-span, through the processing of demodulation part, just can learn environment temperature at that time.Main application fields is electric power application, medical applications, petrochemical complex, scientific domain, industrial microwave, Aero-Space; Performance index measurement range :-40 ℃～+ 200 ℃ (can be selected according to probe) measuring accuracies: 0.5 ℃ of Measurement sensibility degree of +/-: 0.1 ℃ of survey frequency of +/-: 2 Hz Measurement Resolution: 0.1 ℃ of power requirement: 5VDC, <10mV ripple data-interface: RS232 optical fiber interface: HP fiber lengths: <20m module size: 22*22*38mm.
The above; only the embodiment of the inventive method; not the present invention is imposed any restrictions, the variation of every any simple modification of above embodiment being done according to technical solution of the present invention, structure replaces and all still belonging in the protection domain of the technology of the present invention system.
Claims (1)
1. a system of utilizing optical fiber to detect high voltage power distributing cabinet internal temperature, it is characterized in that, comprise fluorescent optical fiber temperature sensor (2), optical fiber (3), optical fiber multi-channel optical fibre separation vessel (4), spectroscopic temperature analyser (5), control center's computing machine (6), network router (7), internet (8), end router (9), internet wireless transmission base station (11), computing machine (10) and mobile phone (12);
Wherein fluorescent optical fiber temperature sensor (2) is as the inner temperature measuring equipment of high voltage power distributing cabinet (1), measured temperature signal is transferred out high-low voltage electric power distribution cabinet by optical fiber (3), internal data through the high voltage power distributing cabinet after the calculating of spectroanalysis instrument (5) and computing machine (6) utilizes internet (8) to upload to the computing machine (10) of control center, or be transferred to user mobile phone (12) by internet (8) and wireless transmission base station (11), so that the internal temperature of high voltage power distributing cabinet (1) is carried out to remote monitoring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210493410.5A CN103837262A (en) | 2012-11-27 | 2012-11-27 | System for measuring temperature inside high-voltage distribution cabinet through optical fibers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210493410.5A CN103837262A (en) | 2012-11-27 | 2012-11-27 | System for measuring temperature inside high-voltage distribution cabinet through optical fibers |
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| Publication Number | Publication Date |
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| CN103837262A true CN103837262A (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210493410.5A Pending CN103837262A (en) | 2012-11-27 | 2012-11-27 | System for measuring temperature inside high-voltage distribution cabinet through optical fibers |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654882A (en) * | 2016-12-12 | 2017-05-10 | 孙荣华 | Networking intelligent switch cabinet |
| CN117872024A (en) * | 2024-03-11 | 2024-04-12 | 国网黑龙江省电力有限公司绥化供电公司 | Fault diagnosis method for electric power supply and distribution system |
| CN117872024B (en) * | 2024-03-11 | 2024-05-31 | 国网黑龙江省电力有限公司绥化供电公司 | Fault diagnosis method for electric power supply and distribution system |
-
2012
- 2012-11-27 CN CN201210493410.5A patent/CN103837262A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654882A (en) * | 2016-12-12 | 2017-05-10 | 孙荣华 | Networking intelligent switch cabinet |
| CN117872024A (en) * | 2024-03-11 | 2024-04-12 | 国网黑龙江省电力有限公司绥化供电公司 | Fault diagnosis method for electric power supply and distribution system |
| CN117872024B (en) * | 2024-03-11 | 2024-05-31 | 国网黑龙江省电力有限公司绥化供电公司 | Fault diagnosis method for electric power supply and distribution system |
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Application publication date: 20140604 |