CN101504434A - Fault early-warning detection method for single high-tension switch cabinet - Google Patents
Fault early-warning detection method for single high-tension switch cabinet Download PDFInfo
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- CN101504434A CN101504434A CNA2009100479829A CN200910047982A CN101504434A CN 101504434 A CN101504434 A CN 101504434A CN A2009100479829 A CNA2009100479829 A CN A2009100479829A CN 200910047982 A CN200910047982 A CN 200910047982A CN 101504434 A CN101504434 A CN 101504434A
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Abstract
The invention relates to an early warning detection method for faults of a single high voltage switch cabinet. The top of the single high voltage switch cabinet is provided with a small air suction hole; air in the single high voltage switch cabinet is extracted from the small air suction hole under the driving of an air suction blower connected by a pipeline; the extracted air enters a correspondingly configured monitoring device through a branch pipe connected with the high voltage switch cabinet; and the monitoring device detects and analyzes the inhaled air and obtains data. The implementation device and pipeline configuration according to the method is as follows: the position of the small air suction hole on the top of the single high voltage switch cabinet is connected with the branch pipe which is connected with an air inlet of the monitoring device, and an air outlet of the monitoring device is connected to the air suction blower through another branch pipe connected with the monitoring device. The method is different from the prior detection technology, performs early detection on the faults of devices in the single high voltage switch cabinet, can avoid arranging any detection device in the high voltage switch cabinet, and cannot cause any safety problem to the high voltage switch cabinet.
Description
Technical field
The present invention relates to electric system distribution facility high-tension switch cabinet, particularly a kind of fault early-warning detection method of single high-tension switch cabinet.
Background technology
In recent years, along with the extensive application of mid-cabinet, full operating mode enclosed switchgear, the open type switch cubicle was progressively eliminated.Owing to lack effective detection means, in the closed high-tension switch cabinet cabinet once, secondary device since under situations such as manufacturing, environmental pollution, long-time running, serious overload operation, contact oxidation, electric arc impact various faults frequently take place, bury hidden danger to equipment safety operation, if untimely discovery, cause device damage and short circuit accident easily, cause a large amount of property losses.
High-tension switch cabinet is the important distribution facility of electric system, never has good technological means at present and carries out the on-line operation monitoring.This field only rests on the direct temperature measurement mode to environment division point in the cabinet for many years, and the operation conditions that the temperature parameter that is detected according to the part point for measuring temperature comes the interpretation internal unit can't cover the equipment in the whole high-tension switch cabinet.Since these detection methods must be in high-tension switch cabinet erecting equipment, have in addition on bus row, monitoring equipment is installed, so this method itself can be to the safe operation generation serious harm of high-tension switch cabinet.Mainly contain following two big modes at present:
One class is a grating thermometric mode, by optical fiber the thermometric device optical receiver external with being installed in high-tension switch cabinet that is installed on the high-tension apparatus is connected, realize temperature survey by the variation relation between temperature and the light, because optical fiber and oversheath can not be subjected to any pollution, otherwise insulation is difficult to guarantee, but the contaminated just matter of time of optical fiber surface, long-time running certainly will influence insulation, the harm equipment safety operation of equipment.In addition, adopt the equipment price of grating principle extremely expensive.
Another kind of system adopts temperature sensor, data is sent to the receiver of high-tension switch cabinet outside with wireless mode.Because " temperature collecting cell " of this type systematic directly is fixed on the alternate or insulation against ground of the equipment that influences on the primary equipment, the power supply of its temperature collecting cell own can't be properly settled.In addition, wireless transmission method itself is disturbed in the forceful electric power magnetic environment easily, may measure other simultaneously, protects, secondary device such as monitoring exerts an influence.
Adopt the early warning system of above-mentioned two kinds of technology to exist great potential safety hazard on mounting means, add that point for measuring temperature is few, through facts have proved for many years, this type of technology is not suitable for being applied to the early warning detection of high-tension switch cabinet.It is not enough only temperature test being carried out in the part monitoring point in addition, also has miscellaneous equipment in the high-tension switch cabinet, if these device fails, above-mentioned these class methods can not be monitored out.
At present China's economic is just with annual 8% speed increment, the high reliability of power supply directly has influence on economic development, the detection technique of the various power transmission and transforming equipments of current power industry develops very soon, the operation detection technique of high-tension switch cabinet falls behind only, therefore be necessary to adopt a kind of realistic application also can cover the monitoring technology of armamentarium in the cabinet, this will improve power transformation key equipment---the safe operation of high-tension switch cabinet widely.
Summary of the invention
Task of the present invention provides a kind of fault early-warning detection method for single high-tension switch cabinet, it has solved existing early warning detection technique and existed potential safety hazard on mounting means, and point for measuring temperature is few, only temperature test is carried out in the part monitoring point, can not cover problems such as the interior armamentarium of cabinet.
Technical solution of the present invention is as follows:
A kind of fault early-warning detection method for single high-tension switch cabinet, offer air-breathing aperture at the single high-tension switch cabinet tip position, under the suction fan that is connected by pipeline drives, from air-breathing aperture, extract the air of high-tension switch cabinet inside, the air that is extracted enters the monitoring equipment of corresponding configuration by the arm that is connected with this high-tension switch cabinet, by monitoring equipment inhaled air is carried out check and analysis and draws data.
A kind of facilities and equipments and pipeline configuration of pressing fault early-warning detection method for single high-tension switch cabinet, single high-tension switch cabinet is at the air-breathing aperture in its top place connecting branch, the air intake opening of this arm and monitoring equipment joins, and the gas outlet of monitoring equipment is connected to suction fan by another arm that joins with it.
The air inlet of described suction fan connects another arm that joins with the monitoring equipment gas outlet.
Detect for the fault pre-alarming of single high-tension switch cabinet, because direct installation and measuring equipment in high-tension switch cabinet, so the present invention takes a kind of method by single blower fan extracting air, moves to detect the single high-tension switch cabinet internal unit.Fault early-warning detection method for single high-tension switch cabinet of the present invention is to offer air-breathing aperture in optional position, high-tension switch cabinet top, and extracting air draws the high-voltage switch gear cabinet equipment after the air that extracts analyzed after testing and whether has fault.
Method of the present invention is different from existing detection technique, because erecting equipment in high-tension switch cabinet not, therefore the method that adopts extracting air has very big using value at home even abroad all not by practical application.
Adopt detection method of the present invention, equipment in the single high-tension switch cabinet is carried out the fault early detection, can avoid any checkout equipment is installed in high-tension switch cabinet, can not produce any safety problem, can cover the armamentarium in the single high-tension switch cabinet simultaneously it.Fault early-warning detection method for single high-tension switch cabinet of the present invention is applicable to the totally-enclosed high-tension switch cabinet of various types.
Description of drawings
Accompanying drawing is the detection synoptic diagram of a kind of fault early-warning detection method for single high-tension switch cabinet of the present invention.
Embodiment
Referring to accompanying drawing, by a kind of fault early-warning detection method for single high-tension switch cabinet of the present invention, offer air-breathing aperture 2 in optional position, single high-tension switch cabinet 1 top, under the suction fan 3 that is connected by pipeline drives, from the air-breathing aperture 2 of high-tension switch cabinet 1, extract the air of high-tension switch cabinet 1 inside.The air that is extracted enters the monitoring equipment 5 of corresponding configuration by the arm 4 that is connected with this high-tension switch cabinet 1, is carried out check and analysis and is drawn data according to computing machine by 5 pairs of inhaled airs of monitoring equipment.
Because suction fan 3 turns round continuously, therefore the air from single high-tension switch cabinet 1 internal suction passes through monitoring equipment 5 continuously, and data be analyzed and be drawn to monitoring equipment 5 can incessantly to the air of suction.Monitoring equipment 5 can detect and early warning has or not to this high-tension switch cabinet 1 and breaks down.
See accompanying drawing again, be configured to by the facilities and equipments and the pipeline of fault early-warning detection method for single high-tension switch cabinet of the present invention:
Single high-tension switch cabinet 1 position is in its vicinity installed monitoring equipment 5.Single high-tension switch cabinet 1 is air-breathing aperture 2 place's connecting branches 4 at its top, and this arm 4 joins with the air intake opening 51 of monitoring equipment 5.The gas outlet 52 of monitoring equipment 5 is connected to suction fan 3 by another arm 6 that joins with it.Specifically, the air inlet of suction fan 3 connects another arm 6 that joins with monitoring equipment 5 gas outlets 52.The air that aspirates out from single high-tension switch cabinet 1 carries out check and analysis and draws data through monitoring equipment 5.
By a kind of fault early-warning detection method for single high-tension switch cabinet of the present invention, suction fan of every single high-tension switch cabinet configuration provides air-breathing power, inserts monitoring equipment by pipeline, the air process monitoring equipment that single high-tension switch cabinet is aspirated out.The air that enters monitoring equipment is directly analyzed by monitoring equipment and is drawn data according to computing machine, because the suction fan twenty four hours turns round continuously, therefore the air from the high-tension switch cabinet internal suction passes through monitoring equipment continuously, can analyze and draw data incessantly to the air of suction.
Monitoring equipment generally be installed in each high-tension switch cabinet near, therefore, its early warning signal can be positioned that high-tension switch cabinet generation early warning.
Certainly, those skilled in the art in the present technique field will be appreciated that, the foregoing description only is to be used for illustrating the present invention, and be not as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claim of the present invention conversion, the modification of the foregoing description.
Claims (3)
1. fault early-warning detection method for single high-tension switch cabinet, it is characterized in that, offer air-breathing aperture at the single high-tension switch cabinet tip position, under the suction fan that is connected by pipeline drives, from air-breathing aperture, extract the air of high-tension switch cabinet inside, the air that is extracted enters the monitoring equipment of corresponding configuration by the arm that is connected with this high-tension switch cabinet, by monitoring equipment inhaled air is carried out check and analysis and draws data.
2. facilities and equipments and pipeline configuration by the described fault early-warning detection method for single high-tension switch cabinet of claim 1, it is characterized in that, single high-tension switch cabinet is at the air-breathing aperture in its top place connecting branch, the air intake opening of this arm and monitoring equipment joins, and the gas outlet of monitoring equipment is connected to suction fan by another arm that joins with it.
3. facilities and equipments according to claim 2 and pipeline configuration is characterized in that the air inlet of described suction fan connects another arm that joins with the monitoring equipment gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100479829A CN101504434A (en) | 2009-03-23 | 2009-03-23 | Fault early-warning detection method for single high-tension switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100479829A CN101504434A (en) | 2009-03-23 | 2009-03-23 | Fault early-warning detection method for single high-tension switch cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN101504434A true CN101504434A (en) | 2009-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2009100479829A Pending CN101504434A (en) | 2009-03-23 | 2009-03-23 | Fault early-warning detection method for single high-tension switch cabinet |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102680129A (en) * | 2012-05-14 | 2012-09-19 | 章丘市供电公司 | Prewarning system of high-tension switch cabinet |
| CN112415309A (en) * | 2020-11-04 | 2021-02-26 | 广东电网有限责任公司东莞供电局 | Female connector testing arrangement that arranges |
-
2009
- 2009-03-23 CN CNA2009100479829A patent/CN101504434A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102680129A (en) * | 2012-05-14 | 2012-09-19 | 章丘市供电公司 | Prewarning system of high-tension switch cabinet |
| CN112415309A (en) * | 2020-11-04 | 2021-02-26 | 广东电网有限责任公司东莞供电局 | Female connector testing arrangement that arranges |
| CN112415309B (en) * | 2020-11-04 | 2023-08-11 | 广东电网有限责任公司东莞供电局 | Busbar connector testing device |
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Open date: 20090812 |