CN104502411A - Insulator salt density on-line monitoring device - Google Patents
Insulator salt density on-line monitoring device Download PDFInfo
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- CN104502411A CN104502411A CN201410648202.7A CN201410648202A CN104502411A CN 104502411 A CN104502411 A CN 104502411A CN 201410648202 A CN201410648202 A CN 201410648202A CN 104502411 A CN104502411 A CN 104502411A
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Abstract
The invention provides an insulator salt density on-line monitoring apparatus, which comprises a cabinet and a sampling insulator, an open-close sealing cover capable of accommodating the sampling insulator is equipped, the sampling insulator is connected to the cabinet through an elevating system, an upper electrode and a lower electrode are arranged at two ends of umbrella skirt of the sampling insulator, an atomizer is arranged in the sealing cover, the atomizer is connected to a water pump, the upper electrode and the lower electrode are connected to high voltage dc power, an upper electrode conductive sensor is arranged on the upper electrode, a lower electrode conductive sensor is arranged on the lower electrode, the upper electrode conductive sensor is connected to a control processor, the lower electrode conductive sensor is connected to the control processor, a discharge electrode is arranged in the sealing cover, the discharge electrode is connected to the high voltage dc power, and the control processor is connected to information network. The insulator salt density on-line monitoring device has the advantages of high automation degree, simple structure, convenient maintenance, and stable and accurate on-line monitoring on the insulator salt density.
Description
Technical field
Electrical equipment technical field of the present invention, particularly a kind of insulator salt density on-Line Monitor Device.
Technical background
Insulator in overhead transmission line, plays support wire and prevents electric current from returning the basic role on ground.
Salt close (equivalent salt deposit density) is the basic parameter of statement insulator surface pollution level, is for determining the dirty level of environment, formulation or revision electric system fertilizer making by sludge, instructing the authentic data of the antifouling work of electric system.
In electric system, its surface filth degree at least should be detected once every year for the insulator in the places such as the ultra-high-tension power transmission line that comes into operation, generating plant, transformer station and external insulation equipment, to weigh whether may cause pollution flashover accident, and as judging that insulator and external insulation equipment are the need of the foundation of cleaning or change.
The Chinese invention patent application of application number 201410035284.8 discloses a kind of robotization insulator salt density on-line measuring device, comprise sampling insulator and the cleaning arm mechanism being placed in cabinet inside, open-close type seal closure and salt dense instrument, sampling insulator is suspended on power equipment, operating mode residing for sampling insulator is identical with operating insulator, therefore sample insulator filthy state can by sampling insulator characterize, when not using, it is outside that sampling insulator hangs on the close on-line measuring device cabinet of salt, cleaning arm mechanism seals is in open-close type seal closure, when needing to measure, sampling insulator rises and enters in cabinet, cleaning arm mechanism shifts out open-close type seal closure, automatic clean-out operation is carried out to sampling insulator, collect cleaning soiling solution and measure the close numerical value of salt by salt dense instrument.The device structure of this technical scheme is too complicated, the upper and lower surface of insulator is done the wash by salt density test process need cleaning arm mechanism, cleaning arm mechanism needs the action doing a lot of step, cause this device unstable, affect carrying out smoothly of on-line monitoring, in addition due to this device too complexity cause manufacture and maintenance cost higher, also improve the cost of on-line monitoring.
Summary of the invention
The object of the present invention is to provide that a kind of automaticity is high, structure is simple, be convenient to safeguard, can stablize and the insulator salt density on-Line Monitor Device of accurately on-line monitoring insulator salt density.
For achieving the above object, the technical solution adopted in the present invention is:
A kind of insulator salt density on-Line Monitor Device, comprise cabinet and sampling insulator, described cabinet is provided with the seal closure of the open-close type that can hold sampling insulator, described sampling insulator is connected with cabinet by an elevating mechanism, the two ends of the full skirt of described sampling insulator are equipped with top electrode and bottom electrode, atomizer is provided with in described seal closure, described atomizer is connected with water pump by supply channel, described water pump is communicated with water tank, described top electrode is connected with high-voltage DC power supply with bottom electrode, described top electrode is provided with corresponding top electrode conductive sensor, described bottom electrode is provided with corresponding bottom electrode conductive sensor, described top electrode conductive sensor is connected with control processor, described bottom electrode conductive sensor is connected with control processor, sparking electrode is provided with in described seal closure, described sparking electrode is connected with high-voltage DC power supply, described control processor is connected with information network.
Observation process is: be arranged on power equipment by this device, the insulator of sampling insulator and practical function is allowed to be in same external environment condition, when needing to measure, under elevating mechanism, down-sampled insulator fits in seal closure completely, sparking electrode is in the full skirt edge of sampling insulator, water pump is to atomizer water filling, atomizer starts, within 5 minutes, 100% is reached to relative air humidity at the atomization steam of airtight container, stop atomization, control processor controlled discharge electrode, high-voltage DC power supply discharges, Leakage Current is by full skirt upper surface, sparking electrode and top electrode form loop, top electrode conductive sensor collects current data and is transferred to control processor, Leakage Current is by full skirt upper surface, sparking electrode and bottom electrode form loop, bottom electrode conductive sensor collects current data and is transferred to control processor, current data is sent to Surveillance center by information network by control processor, also can be that the salt that control processor directly calculates insulator surface according to current data is close.Test completes, and sampling insulator is risen to sampling location by elevating mechanism.Whole process is simple and easy to operate, and stabilization of equipment performance is good, accurate at the salt dense of relative saturation humidity down-sampling insulator dirty degree.
Described elevating mechanism, water pump, high-voltage DC power supply, sparking electrode are connected with described control processor, are controlled the work of elevating mechanism, water pump, high-voltage DC power supply by control processor.Control processor controls rising or the decline of elevating mechanism, controls the startup of water pump, the connection of high-voltage DC power supply; The automaticity of further raising equipment.
The bottom of described seal closure is provided with leaking hole, and described leaking hole is communicated with a mozzle.The condensation vapor water that during measurement, atomizer is atomized out can, by outside leaking hole and mozzle extraction equipment, avoid condensate water to the damage of device.
Described seal closure is barrel-like structure.Make to be in suitable spatial accommodation when adopting insulator to measure, space humidity environment is everywhere balanced, contributes to the raising of measurement data accuracy.
Described elevating mechanism is electric cylinder, described electric cylinder is arranged in cabinet, the expansion link of described electric cylinder stretches in seal closure through the bottom of cabinet and seal closure, and described expansion link is connected with a shaft collar, and described shaft collar is connected with described sampling insulator; Shaft collar described in when expansion link stretches out flushes with the top of described seal closure, and described sampling insulator is exposed to outside described seal closure completely, and the sampling insulator described in when retracting when expansion link stretches out is contained in described seal closure completely.
Described expansion link stretches in seal closure through the bottom of cabinet and seal closure, and described crossing between cabinet and seal closure is provided with sealant, and described expansion link is through described sealant.Sealant can prevent the steam in seal closure from invading in cabinet, plays a protective role, provide the stability of equipment to the parts in cabinet.
Described elevating mechanism, supply channel, water pump, high-voltage DC power supply, top electrode conductive sensor, bottom electrode conductive sensor, control processor are all arranged in described cabinet.Cabinet all can play a protective role to above-mentioned parts, also improves the overall terseness of device.
Described information network is wireless network.Without the need to setting up the data line of data transmission in addition, save cost.
The present invention adopts and uses insulator place to arrange insulator salt density on-Line Monitor Device in reality, device arranges sampling insulator, during measurement, sampling insulator can in seal closure complete saturated humidity environment under by the Leakage Current of full skirt upper and lower surface, the salt testing upper and lower full skirt surface is respectively close, the data that this measurement device obtains are accurate, and device structure is simple, automaticity is high, realization that can be stable is to the on-line monitoring of insulator salt density.
Accompanying drawing explanation
Fig. 1 is apparatus of the present invention structural representation
Structural representation when Fig. 2 is apparatus of the present invention test mode
Embodiment
Below in conjunction with embodiment, concrete elaboration is made to the present invention.
A kind of insulator salt density on-Line Monitor Device as shown in Figure 1-2, comprise cabinet 3 and sampling insulator 1, described cabinet 3 is provided with the seal closure 2 of the open-close type that can hold sampling insulator 1, described sampling insulator 1 is connected 3 by an elevating mechanism 12 with cabinet, the two ends of the full skirt 101 of described sampling insulator 1 are equipped with top electrode 16 and bottom electrode 15, atomizer 4 is provided with in described seal closure 2, described atomizer 4 is connected with water pump 10 by supply channel 9, described water pump 10 is communicated with water tank 7, between be provided with Cistern valve 8, described powers on, 16 are connected with high-voltage DC power supply (not shown) with bottom electrode 15, described top electrode 16 is provided with corresponding top electrode conductive sensor (not shown), described bottom electrode 15 is provided with corresponding bottom electrode conductive sensor (not shown), described top electrode conductive sensor is connected with control processor 6, described bottom electrode conductive sensor is connected with control processor 6, sparking electrode 5 is provided with in described seal closure 2, described sparking electrode 5 is connected with high-voltage DC power supply, described control processor 6 is connected with information network.
Observation process is: be arranged on power equipment by this device, the insulator of sampling insulator 1 and practical function is allowed to be in same external environment condition, when needing to measure, elevating mechanism 12 times down-sampled insulators fit in seal closure 2 completely, sparking electrode 5 is in the full skirt limit 101 of sampling insulator 1 along place, atomizer 4 water filling given by water pump 10, atomizer 4 starts, within 5 minutes, 100% is reached to relative air humidity at the atomization steam of airtight container 2, stop atomization, control processor 6 controlled discharge electrode 5, high-voltage DC power supply discharges, Leakage Current is by full skirt upper surface, sparking electrode 5 and top electrode 16 form loop, top electrode conductive sensor collects current data and is transferred to control processor 6, Leakage Current is by full skirt upper surface, sparking electrode 5 and bottom electrode 15 form loop, bottom electrode conductive sensor collects current data and is transferred to control processor 6, current data is sent to Surveillance center by information network by control processor 6, also can be that the salt that control processor 6 directly calculates insulator surface according to current data is close.Test completes, and sampling insulator 1 is risen to sampling location by elevating mechanism 2.Whole process is simple and easy to operate, and stabilization of equipment performance is good, accurate at the salt dense of relative saturation humidity down-sampling insulator dirty degree.
Described elevating mechanism 12, water pump 10, high-voltage DC power supply, sparking electrode 5 are connected with described control processor 6, are controlled the work of elevating mechanism 12, water pump 10, high-voltage DC power supply by control processor 6.Control processor controls rising or the decline of elevating mechanism 12, controls the startup of water pump 10, the connection of high-voltage DC power supply; The automaticity of further raising equipment.
The bottom of described seal closure 2 is provided with leaking hole 11, and described leaking hole is communicated with a mozzle.The condensation vapor water that during measurement, atomizer 4 is atomized out can, by outside leaking hole 11 and mozzle extraction equipment, avoid condensate water to the damage of device.
Described seal closure 2 is barrel-like structure.Make to be in suitable spatial accommodation when adopting insulator 1 to measure, space humidity environment is everywhere balanced, contributes to the raising of measurement data accuracy.
Described elevating mechanism 12 is electric cylinder, described electric cylinder is arranged in cabinet 3, the expansion link of described electric cylinder stretches in seal closure 2 through the bottom of cabinet 3 and seal closure 2, and described expansion link is connected with a shaft collar 14, and described shaft collar 14 is connected with described sampling insulator 1; Shaft collar 14 described in when expansion link stretches out flushes with the top of described seal closure 2, described sampling insulator 1 is exposed to outside described seal closure 2 completely, and the sampling insulator 1 described in when retracting when expansion link stretches out is contained in described seal closure 2 completely.
Described expansion link stretches in seal closure 2 through the bottom of cabinet 3 and seal closure 2, and described crossing between cabinet 3 and seal closure 2 is provided with sealant 13, and described expansion link is through described sealant 13.Sealant 13 can prevent the steam in seal closure 2 from invading in cabinet 3, plays a protective role, provide the stability of equipment to the parts in cabinet 1.
Described elevating mechanism 12, supply channel 9, water pump 10, high-voltage DC power supply, top electrode conductive sensor, bottom electrode conductive sensor, controller processor 6 are all arranged in described cabinet 3.Cabinet 3 pairs of above-mentioned parts all can play a protective role, and also improve the overall terseness of device.
Described information network is wireless network.Without the need to setting up the data line of data transmission in addition, save cost.
Claims (8)
1. an insulator salt density on-Line Monitor Device, comprise cabinet and sampling insulator, it is characterized in that described cabinet is provided with the seal closure of the open-close type that can hold sampling insulator, described sampling insulator is connected with cabinet by an elevating mechanism, the two ends of the full skirt of described sampling insulator are equipped with top electrode and bottom electrode, atomizer is provided with in described seal closure, described atomizer is connected with water pump by supply channel, described water pump is communicated with water tank, described top electrode is connected with high-voltage DC power supply with bottom electrode, described top electrode is provided with corresponding top electrode conductive sensor, described bottom electrode is provided with corresponding bottom electrode conductive sensor, described top electrode conductive sensor is connected with control processor, described bottom electrode conductive sensor is connected with control processor, sparking electrode is provided with in described seal closure, described sparking electrode is connected with high-voltage DC power supply, described control processor is connected with information network.
2. insulator salt density on-Line Monitor Device as claimed in claim 1, it is characterized in that described elevating mechanism, water pump, high-voltage DC power supply, sparking electrode are connected with described control processor, controlled the work of elevating mechanism, water pump, high-voltage DC power supply by control processor.
3. insulator salt density on-Line Monitor Device as claimed in claim 1, it is characterized in that the bottom of described seal closure is provided with leaking hole, described leaking hole is communicated with a mozzle.
4. insulator salt density on-Line Monitor Device as claimed in claim 1, is characterized in that described seal closure is barrel-like structure.
5. insulator salt density on-Line Monitor Device as claimed in claim 1, it is characterized in that described elevating mechanism is electric cylinder, described electric cylinder is arranged in cabinet, the expansion link of described electric cylinder stretches in seal closure through the bottom of cabinet and seal closure, described expansion link is connected with a shaft collar, and described shaft collar is connected with described sampling insulator; Shaft collar described in when expansion link stretches out flushes with the top of described seal closure, and described sampling insulator is exposed to outside described seal closure completely, and the sampling insulator described in when retracting when expansion link stretches out is contained in described seal closure completely.
6. insulator salt density on-Line Monitor Device as claimed in claim 5, it is characterized in that described expansion link stretches in seal closure through the bottom of cabinet and seal closure, described crossing between cabinet and seal closure is provided with sealant, and described expansion link is through described sealant.
7. insulator salt density on-Line Monitor Device as claimed in claim 1, is characterized in that described elevating mechanism, supply channel, water pump, high-voltage DC power supply, top electrode conductive sensor, bottom electrode conductive sensor, controller are all arranged in described cabinet.
8. insulator salt density on-Line Monitor Device as claimed in claim 1, is characterized in that described information network is wireless network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410648202.7A CN104502411A (en) | 2014-11-16 | 2014-11-16 | Insulator salt density on-line monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410648202.7A CN104502411A (en) | 2014-11-16 | 2014-11-16 | Insulator salt density on-line monitoring device |
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| CN104502411A true CN104502411A (en) | 2015-04-08 |
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| CN201410648202.7A Pending CN104502411A (en) | 2014-11-16 | 2014-11-16 | Insulator salt density on-line monitoring device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849637A (en) * | 2015-05-27 | 2015-08-19 | 国家电网公司 | Artificial fog room for insulator artificial pollution flashover test |
| CN105866186A (en) * | 2016-05-31 | 2016-08-17 | 中国南方电网有限责任公司电网技术研究中心 | insulator salt density detection device and detection method |
| CN107478560A (en) * | 2017-08-23 | 2017-12-15 | 成都本华清博科技有限公司 | Method for verifying whether water can enter composite insulator mandrel sheath interface through sheath |
| CN109188223A (en) * | 2018-09-29 | 2019-01-11 | 海南电网有限责任公司电力科学研究院 | A kind of composite insulator interface quality detection and localization seal and method |
| CN112595599A (en) * | 2020-12-02 | 2021-04-02 | 江苏比微曼智能科技有限公司 | Hydraulic press with crushing resistance test function |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107478560A (en) * | 2017-08-23 | 2017-12-15 | 成都本华清博科技有限公司 | Method for verifying whether water can enter composite insulator mandrel sheath interface through sheath |
| CN107478560B (en) * | 2017-08-23 | 2020-07-28 | 成都本华清博科技有限公司 | Method for verifying whether water can enter composite insulator mandrel sheath interface through sheath |
| CN109188223A (en) * | 2018-09-29 | 2019-01-11 | 海南电网有限责任公司电力科学研究院 | A kind of composite insulator interface quality detection and localization seal and method |
| CN112595599A (en) * | 2020-12-02 | 2021-04-02 | 江苏比微曼智能科技有限公司 | Hydraulic press with crushing resistance test function |
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