CN103592586A - Power cable insulation monitoring system - Google Patents
Power cable insulation monitoring system Download PDFInfo
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- CN103592586A CN103592586A CN201310608888.2A CN201310608888A CN103592586A CN 103592586 A CN103592586 A CN 103592586A CN 201310608888 A CN201310608888 A CN 201310608888A CN 103592586 A CN103592586 A CN 103592586A
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- withstand voltage
- binding post
- monitoring system
- electrical verification
- power cable
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses a power cable insulation monitoring system which is composed of a shell, an electric leakage electric-verification contact, a voltage-tolerance electric-verification contact, a controller and an alarm. An elastic connecting strip is arranged at the outer surface of the shell, at least two electric leakage detection binding posts and at least two voltage-tolerance electric-verification binding posts are arranged on the upper surface of the shell, at least one alarm is also arranged, a displayer, an adjustable boosting transformer, a storage battery set, an A/D converter, a microprocessor, and a wireless data transmitter form the controller and are all arranged in the shell, wherein an adjusting block of the adjustable boosting transformer is embedded in the upper surface of the shell. The power cable insulation monitoring system is simple in structure and convenient to operate, can randomly detect the insulation grade change situation when the cable is in working state during the whole process, gives an alarm in time, and overcomes the defects that operation staff must be closed to the detection equipment to operate the detection equipment, and therefore the potential safety hazard of electric shock during the detection process is eradicated.
Description
Technical field
The present invention relates to a kind of power cable insulation monitoring system, belong to electric power checkout equipment field.
Background technology
In actual use, the feeder cable insulating property of some high-tension circuits or high-power low-voltage circuit are had to kind of strict appraisal standards, therefore in using, need regularly the insulating property of these cables to be detected, but it is high that traditional checkout equipment mostly is, low pressure megger, the equipment such as multimeter, accuracy of detection is low on the one hand for these equipment, testing is loaded down with trivial details, it must carry out while detecting the in the situation that of the complete power-off of circuit, cannot realize cable under in working order with machine testing, therefore, traditional checkout equipment very easily causes cable insulation under-enumeration or mistake to survey on the one hand, also caused on the other hand the interruption of transmission of electricity or powered operation, had a strong impact on normal productive life.Simultaneously, in detecting maintenance, when especially supply line's class of insulation is measured, need to apply high voltage to cable, well beyond human safety voltage's scope, and legacy equipment operating personnel must directly operate checkout equipment, the risk of electric shock is very big, has brought great hidden danger to operating personnel's personal safety.
Summary of the invention
The object of the invention is just to overcome above-mentioned deficiency, and a kind of power cable insulation monitoring system is provided.
For achieving the above object, the present invention is achieved through the following technical solutions:
A kind of power cable insulation monitoring system, power cable insulation monitoring system is by housing, electric leakage electrical verification contact, withstand voltage electrical verification contact, controller and alarm form, described housing outer surface is established elastic connecting strip, on housing upper surface, establish at least two detection of electrical leakage binding posts and at least two withstand voltage electrical verification binding posts, at least one alarm is separately set, described electric leakage electrical verification contact is by electrostatic transducer, Hall closed loop leakage current sensor is in parallel to be formed, and be connected with detection of electrical leakage binding post by wire, described withstand voltage electrical verification contact consists of inner contact and external contact, inner contact and external contact are cylindrical, and be connected with withstand voltage electrical verification binding post respectively by wire, described detection of electrical leakage binding post and withstand voltage electrical verification binding post are all electrically connected by wire and controller, described controller is by display, adjustable step-up transformer, battery pack, A/D converter, microprocessor and wireless data transmitter form, and be all placed in enclosure interior, wherein microprocessor respectively with A/D converter, display, wireless data transmitter, adjustable step-up transformer, battery pack and alarm electrical connection, described adjustable step-up transformer is separately electrically connected with battery pack and withstand voltage electrical verification binding post respectively, described display, adjustable step-up transformer regulating block is embedded in housing upper surface, described A/D converter is separately electrically connected with detection of electrical leakage binding post and withstand voltage electrical verification binding post respectively, wherein between withstand voltage electrical verification binding post and A/D converter connecting circuit, separately establish at least one group of isolating diode, electric insulation between described adjustable step-up transformer and withstand voltage electrical verification binding post connecting circuit and withstand voltage electrical verification binding post and A/D converter connecting circuit.
Inner contact and external contact material are silver alloy.
Display is liquid crystal display.
Microprocessor is DSP data processing chip.
A/D converter is HI1175JCB A/D converter chip.
Wireless data transmitter is DATA-6123 low-power consumption GPRS data transmission modules.
Alarm is acousto-optic integrated hummer.
The present invention is simple in structure, easy to operate, can omnidistance class of insulation situation of change under cable duty be carried out with machine testing on the one hand, and can there is at cable creepage, electric leakage because the class of insulation declines time and alarm, accuracy and the reliability of cable insulation testing have effectively been guaranteed, and traditional cable detection and the contradiction between normal power supply have been solved, effectively raise power supply quality, also effectively overcome the closely drawback of operation detection equipment of operating personnel simultaneously, thereby stopped to exist in testing process electric shock hidden danger.
Accompanying drawing explanation
Fig. 1 is gauge head structure schematic diagram;
Fig. 2 is electrical schematic diagram of the present invention.
Embodiment
As illustrated in fig. 1 and 2, a kind of power cable insulation monitoring system, power cable insulation monitoring system is by housing 1, electric leakage electrical verification contact, withstand voltage electrical verification contact, controller and alarm 2 form, described housing 1 outside surface is established elastic connecting strip 3, on housing 1 upper surface, establish at least two detection of electrical leakage binding posts 4 and at least two withstand voltage electrical verification binding posts 5, at least one alarm 2 is separately set, described electric leakage electrical verification contact is by electrostatic transducer 6, Hall closed loop leakage current sensor 7 is in parallel to be formed, and be connected with detection of electrical leakage binding post 4 by wire 8, described withstand voltage electrical verification contact consists of inner contact 9 and external contact 10, inner contact 9 and external contact 10 are cylindrical, and be connected with withstand voltage electrical verification binding post 5 respectively by wire 8, described detection of electrical leakage binding post 4 and withstand voltage electrical verification binding post 5 are all electrically connected by wire 8 and controller, described controller is by display 11, adjustable step-up transformer 12, battery pack 13, A/D converter, microprocessor and wireless data transmitter form, and be all placed in housing 1 inside, wherein microprocessor respectively with A/D converter, display 11, wireless data transmitter, adjustable step-up transformer 12, battery pack 13 and alarm 2 electrical connections, described adjustable step-up transformer 12 is separately electrically connected with battery pack 13 and withstand voltage electrical verification binding post 5 respectively, described display 11, adjustable step-up transformer 12 regulating blocks 14 are embedded in housing 1 upper surface, described A/D converter is separately electrically connected with detection of electrical leakage binding post 4 and withstand voltage electrical verification binding post 5 respectively, wherein between withstand voltage electrical verification binding post 5 and A/D converter connecting circuit, separately establish at least one group of isolating diode L1, electric insulation between described adjustable step-up transformer 12 and withstand voltage electrical verification binding post 5 connecting circuit and withstand voltage electrical verification binding post 5 and A/D converter connecting circuit.
During use, first utilize elastic connecting strip that housing is fixed on to installation site or is directly fixed on cable, then according to cable detection need to be by least one Hall closed loop leakage current sensor ring around cable measuring point to be checked outside, then at least one electrostatic transducer is strapped on cable insulation skin by insulating tape, and by Hall closed loop leakage current sensor, electrostatic transducer is connected with detection of electrical leakage binding post by wire, then at cable connector place, inner contact be installed to cable splice inside and be connected with cable core, again external contact is strapped on cable insulation skin by insulating tape, and inner contact and external contact are connected and can complete installation with withstand voltage electrical verification binding post by wire.
While detecting, when cable insulation declines, will there is creepage phenomenon in its insulation course outside in operational process, when serious, occur leaky, and the electrostatic transducer in the present invention can effectively detect at any time and report to the police cable creepage phenomenon, Hall closed loop leakage current sensor detects and reports to the police in the time of can there is electric leakage to cable, thereby realize cable and under normal operating condition, carry out insulating property detection, when cable is during in off working state, by adjustable step-up transformer, battery pack output voltage is raise, and by inner contact and external contact, the class of insulation of cable insulation is detected respectively, and can draw the numerical value that insulate accurately, and in above testing process, its testing result reading and warning all can be carried out remote-controlled operation by wireless communication technique, thereby avoided closely operation detection equipment of staff, thoroughly stopped the generation of electric shock accidents.
Claims (7)
1. a power cable insulation monitoring system, it is characterized in that: described power cable insulation monitoring system is by housing, electric leakage electrical verification contact, withstand voltage electrical verification contact, controller and alarm form, described housing outer surface is established elastic connecting strip, on housing upper surface, establish at least two detection of electrical leakage binding posts and at least two withstand voltage electrical verification binding posts, at least one alarm is separately set, described electric leakage electrical verification contact is by electrostatic transducer, Hall closed loop leakage current sensor is in parallel to be formed, and be connected with detection of electrical leakage binding post by wire, described withstand voltage electrical verification contact consists of inner contact and external contact, inner contact and external contact are cylindrical, and be connected with withstand voltage electrical verification binding post respectively by wire, described detection of electrical leakage binding post and withstand voltage electrical verification binding post are all electrically connected by wire and controller, described controller is by display, adjustable step-up transformer, battery pack, A/D converter, microprocessor and wireless data transmitter form, and be all placed in enclosure interior, wherein microprocessor respectively with A/D converter, display, wireless data transmitter, adjustable step-up transformer, battery pack and alarm electrical connection, described adjustable step-up transformer is separately electrically connected with battery pack and withstand voltage electrical verification binding post respectively, described display, adjustable step-up transformer regulating block is embedded in housing upper surface, described A/D converter is separately electrically connected with detection of electrical leakage binding post and withstand voltage electrical verification binding post respectively, wherein between withstand voltage electrical verification binding post and A/D converter connecting circuit, separately establish at least one group of isolating diode, electric insulation between described adjustable step-up transformer and withstand voltage electrical verification binding post connecting circuit and withstand voltage electrical verification binding post and A/D converter connecting circuit.
2. a kind of power cable insulation monitoring system according to claim 1, is characterized in that: described inner contact and external contact material are silver alloy.
3. a kind of power cable insulation monitoring system according to claim 1, is characterized in that: described display is liquid crystal display.
4. a kind of power cable insulation monitoring system according to claim 1, is characterized in that: described microprocessor is DSP data processing chip.
5. a kind of power cable insulation monitoring system according to claim 1, is characterized in that: described A/D converter is HI1175JCB A/D converter chip.
6. a kind of power cable insulation monitoring system according to claim 1, is characterized in that: described wireless data transmitter is DATA-6123 low-power consumption GPRS data transmission modules.
7. a kind of power cable insulation monitoring system according to claim 1, is characterized in that: described alarm is acousto-optic integrated hummer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310608888.2A CN103592586A (en) | 2013-11-27 | 2013-11-27 | Power cable insulation monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310608888.2A CN103592586A (en) | 2013-11-27 | 2013-11-27 | Power cable insulation monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103592586A true CN103592586A (en) | 2014-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310608888.2A Pending CN103592586A (en) | 2013-11-27 | 2013-11-27 | Power cable insulation monitoring system |
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| CN (1) | CN103592586A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356385A (en) * | 2015-11-25 | 2016-02-24 | 国家电网公司 | Safety wire clamp for distribution line maintenance |
| CN105717429A (en) * | 2016-02-22 | 2016-06-29 | 国网山东省电力公司烟台供电公司 | Insulation detection device of electric power equipment detection tools |
| CN106542376A (en) * | 2016-12-08 | 2017-03-29 | 国网山东省电力公司东明县供电公司 | A kind of cable recovering apparatus and its method |
| CN108089055A (en) * | 2016-11-23 | 2018-05-29 | 中国航发商用航空发动机有限责任公司 | A kind of testing lines device and its test method |
| CN110988542A (en) * | 2019-12-13 | 2020-04-10 | 国网吉林省电力有限公司电力科学研究院 | Data clustering analysis system and method for power equipment |
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| JP2002243787A (en) * | 2001-02-19 | 2002-08-28 | Hitachi Engineering & Services Co Ltd | Insulation monitoring device |
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| JP4398198B2 (en) * | 2003-08-20 | 2010-01-13 | 中国電力株式会社 | Insulation degradation region diagnosis system and method for electric wire or cable |
| CN202351381U (en) * | 2011-11-24 | 2012-07-25 | 北京弘浩达牵引电气有限公司 | Insulation detecting device for service cable |
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2013
- 2013-11-27 CN CN201310608888.2A patent/CN103592586A/en active Pending
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| JP2002243787A (en) * | 2001-02-19 | 2002-08-28 | Hitachi Engineering & Services Co Ltd | Insulation monitoring device |
| JP2003344476A (en) * | 2002-05-24 | 2003-12-03 | Kawamura Electric Inc | Insulation monitor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356385A (en) * | 2015-11-25 | 2016-02-24 | 国家电网公司 | Safety wire clamp for distribution line maintenance |
| CN105717429A (en) * | 2016-02-22 | 2016-06-29 | 国网山东省电力公司烟台供电公司 | Insulation detection device of electric power equipment detection tools |
| CN108089055A (en) * | 2016-11-23 | 2018-05-29 | 中国航发商用航空发动机有限责任公司 | A kind of testing lines device and its test method |
| CN106542376A (en) * | 2016-12-08 | 2017-03-29 | 国网山东省电力公司东明县供电公司 | A kind of cable recovering apparatus and its method |
| CN106542376B (en) * | 2016-12-08 | 2019-04-30 | 国网山东省电力公司东明县供电公司 | A kind of cable recovering apparatus and its method |
| CN110988542A (en) * | 2019-12-13 | 2020-04-10 | 国网吉林省电力有限公司电力科学研究院 | Data clustering analysis system and method for power equipment |
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Application publication date: 20140219 |