CN105137161A - Digital composite functional high-voltage electroscope - Google Patents
Digital composite functional high-voltage electroscope Download PDFInfo
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- CN105137161A CN105137161A CN201510419382.6A CN201510419382A CN105137161A CN 105137161 A CN105137161 A CN 105137161A CN 201510419382 A CN201510419382 A CN 201510419382A CN 105137161 A CN105137161 A CN 105137161A
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Abstract
The invention provides a digital composite functional high-voltage electroscope used for power transmission line electrical inspection work, and belongs to the field of electrical tools and appliances. The digital composite functional high-voltage electroscope comprises an insulating rod, a detection instrument and a handheld rod. The insulating rod is composed of an insulating rod 3 and an insulating rod 4. The detection instrument is composed of a shell 7, a built-in circuit, a knob switch 8, a changeover switch 10, a magnetic field sensor, a sound alerter 16, a high-brightness LED indication lamp 9, a digital display screen 6, an adjustable knob 14 of a current-limiting resistor 2, a laser transmitter 16, a focus lens 17, a connector 13 and a laser switch 18. The handheld rod is composed of a handheld position-limiting ring 11, a storage battery 5 and a conductive film 12. Contact electrical inspection and remote noncontact electrical inspection can be performed simultaneously, induced voltage and working voltage of a maintenance line can be distinguished, and the voltage value of the line can be estimated and displayed. The digital composite functional high-voltage electroscope can be used for different voltage levels of line electrical inspection work via a range conversion knob. The electroscope has advantages of being reliable in electrical inspection, safe in operation, digitalized and multipurpose.
Description
Technical field
The invention belongs to power engineering fixture technology field, particularly a kind of digitizing complex function type high voltage electroscope.
Background technology
Extensively various high-tension apparatus is used in electric system, especially for the whether charged personal safety directly affecting operating personnel of high-tension apparatus, a series of safety problem is caused in order to prevent operating personnel's maloperation, electric system is strict with and is accurately detected electrification in high voltage situation, and high voltage electroscope plays a part very important for the safety in production of power industry.
For line maintenance problems faced be: when a Shi Dang mono-road current supply circuit power-off, adjacent loop normal power supply, power-off loop exists the induced voltage up to 15% operating voltage.Two is that one loop line road disconnects when double circuit power supply, can to the anti-power transmission source of open circuit circuit, and faulty line just also exists operating voltage.Present high voltage electroscope whether detection line can also exist voltage, but cannot judge on circuit it is induced voltage or operating voltage, simultaneously existing high voltage electroscope is all contact electrical verification, and whether can not contacting high-tension line at a distance and not, to carry out detection line charged.
Ordinary high pressure electroscope, only for warning, reminds maintainer's equipment live.Ordinary high pressure electroscope is easy to use, only need hold electroscope handle, touch high-tension apparatus live part with electroscope contact.Existing high voltage electroscope is contact high voltage electroscope on the market, because electroscope directly contacts with high-tension line, due to reasons such as galvanoscopic insulation ag(e)ing, element short, may threaten to the life security of maintainer.Voltage measurement class electroscope can measure high-tension apparatus height with voltage, at looking up the fault, often uses during checkout equipment operation conditions.But current voltage measurement class electroscope needs when using to connect ground wire, easy to use not as high pressure instruction class electroscope.Another kind of voltage surveys most class electroscope need not connect ground wire, but must touch low-field electrode in using, dangerous.This kind of electroscope does not meet industry work safety code.
Summary of the invention
One of the object of the invention is to solve contact electroscope for maintainer's security threat, and employing electric field induction principle, does not contact high-tension line and whether detection line is charged at a distance, provides a kind of digitizing complex function type high voltage electroscope.
Two of the object of the invention solves cannot distinguish existing for existing high voltage electroscope electrical verification operation to overhaul the problem that circuit is induced voltage or operating voltage, provides a kind of digitizing complex function type high voltage electroscope.
Three of the object of the invention solves existing non-contact type high-voltage detecting device cannot eliminate the problem that adjacent lines treats the electrical verification interference of survey line road, provides a kind of digitizing complex function type high voltage electroscope.
Four of the object of the invention solves to adopt the galvanoscopic problem causing inconvenience of rated voltage corresponding specification with it for the electrical verification of different electric pressure circuit, provides a kind of digitizing complex function type high voltage electroscope.
Concrete scheme of the present invention is: digitizing complex function type high voltage electroscope, and it has expansion link, and expansion link is socketed successively by holding rod, insulating bar 3 and insulating bar 4 and forms, the upper end of insulating bar 3 is provided with detection hook 1, and the inside of insulating bar 3 installs series limiting resistor 2 additional, one end of series limiting resistor with detect hook 1 and be communicated with, signal input port A on the tube wall that the other end extends to holding rod, insulating bar 4 is screwed on detector, in the screw-on place 15 of insulating bar 4, generating laser 16 is housed, generating laser 16 other installing focus lamp 17, detector is by housing 7, built-in circuit, rotary switch 8, switch 10, emf sensor, voice guard 16, high-brightness LED pilot lamp 9, digital display screen 6, the adjustable knob 14 of current-limiting resistance 2, generating laser 16, focus lamp 17, connector 13, composition such as laser switch 18 grade, built-in circuit is by A/D modular circuit, single chip circuit, warning circuit, voltage display circuit, self-checking circuit, the compositions such as gear selecting circuit, under detector, holding rod is installed, there is hand-held spacing ring 11 holding rod upper end, signal input port B is had above spacing ring, holding rod top installs 5V lithium battery 5 additional, holding rod inwall is provided with conducting film 12, conductive film is conductive paint, and be connected with input port A by wire, power supply 5V voltage is for driving single chip circuit, the output of warning circuit be respectively with voice guard (high-pitched tone, high power hummer) 16 and high-brightness LED pilot lamp 9, generating laser 16 is connected with distance treatment circuit, the output of voltage display circuit is connected with digital display screen 6, the signal input part of detector is connected through wire with signal output port.
The present invention regulates switch can select contact electrical verification pattern and non-contact type electricity checking pattern, provides and selects different electrical verification pattern according to different demand, also can adopt electrical verification respectively in two ways to same circuit, improve electrical verification reliability.
Insulating bar 3 of the present invention can stretch in the tube wall of insulating bar 4, and insulating bar 4 can twist the top of receiving tester, and holding rod is together with twisting bottom tester and receiving.Select insulating bar 4 to be backed out during noncontact mode, select during contact electrical verification pattern, insulating bar 4 to be assembled.
Rotary switch of the present invention can select corresponding gear according to high-tension line rated voltage, can reach the object of a multi-purpose instrument.
Generating laser 16 is equipped with in the screw-on place 15 of the top insulating bar 4 of tester of the present invention, and generating laser 16 other installing focus lamp 17, measuring distance amount processes Circuit display on digital display screen 6 by distance.
Under non-contact electricity testing pattern of the present invention, magnitude of voltage on circuit can be estimated according to laser testing distance, because line influence voltage accounts for about 15% of operating voltage, then can judge that line voltage distribution is induced voltage or operating voltage by voltage estimated value, and corresponding safety practice can be taked according to voltage levels.Under contact electrical verification pattern of the present invention, after detection clasp joint touches high-tension line, arrive through current-limiting resistance on the inductance capacitance of conducting film and staff formation, pass through human body grounding.Calculate line voltage distribution by the current value measured under different current-limiting resistance, thus judge it is induced voltage or operating voltage, and take corresponding measure.
High voltage electroscope of the present invention installs conical shield cylinder additional outside it, according to the anti-interference standard of measuring distance and country, can measure circuit to be measured within inclination 15 degree, improves the sensitivity of electroscope electrical verification.
Self-checking function of the present invention, whether normally work to detect each branch circuit of tester, its self-test operations process: rotary switch is allocated to " TEST " shelves, voice guard should toot cry, and LED light emitting diode lamp should light, representative digit complex function type high voltage electroscope runs.If calling is very low, LED light is gloomy, then may be storage battery quantity not sufficient.
The present invention is compared with existing high voltage electroscope, the present invention can select contact electrical verification and non-contact type electricity checking two kinds of patterns, for contact electrical verification, when detection hook in the present invention contacts with high-tension line, can test out easily on tested circuit and whether there is voltage, and can judge that line voltage distribution is induced voltage or operating voltage and magnitude of voltage, line maintenance electrical verification is easy to operate, quick, and electrical verification work efficiency is high; For non-contact type electricity checking, can measure according to the different voltage gear of line voltage distribution hierarchical selection, avoid changing galvanoscopic trouble, esy to use, safe and reliable and work efficiency is high.For non-contact type electricity checking, can estimate line voltage distribution, thus judge it is induced voltage or operating voltage, circuit electrical verification is safer, convenient.
Accompanying drawing explanation
Fig. 1 is structural front view of the present invention
Fig. 2 is tester circuit schematic diagram
Fig. 3 is the upward view of tester
Concrete enforcement
A kind of digitizing complex function type high voltage electroscope (see Fig. 1), it has expansion link, expansion link is socketed by insulating bar 3, insulating bar 4 and forms, detection hook 1 is installed in insulating bar 3 upper end, current-limiting resistance 2 is installed inside the tube wall of insulating bar 3, one end of current-limiting resistance 2 is directly connected with detection hook 1, signal input port A on the tube wall that the other end extends to holding rod, insulating bar 4 is screwed on detector, in the screw-on place 15 of insulating bar 4, generating laser 16 is housed, generating laser 16 other installing focus lamp 17, detector is by housing 7, built-in circuit, rotary switch 8, switch 10, emf sensor, voice guard 16, high-brightness LED pilot lamp 9, digital display screen 6, the adjustable knob 14 of current-limiting resistance 2, generating laser 16, focus lamp 17, connector 13, the composition such as laser switch 18 (see Fig. 1), built-in circuit is by A/D modular circuit, single chip circuit, warning circuit, voltage display circuit, self-checking circuit, the composition such as gear selecting circuit (see Fig. 2), under detector, holding rod is installed, there is hand-held spacing ring 11 holding rod upper end, signal input port B is had above spacing ring, holding rod top installs 5V lithium battery 5 additional, holding rod inwall is provided with conducting film 12, conductive film is conductive paint, and be connected with input port A by wire.The resistance of current-limiting resistance is greater than 10 megaohms by every kilovoltage measurement voltage and determines.
In the embodiment shown in Figure 2, single chip circuit is adopted to realize the measurement of voltage, display and prompt functions.Single-chip microcomputer is sampled to the voltage on voltage sensor by A/D sampling module circuit, the 89C51 single-chip microcomputer that single-chip microcomputer adopts low price simple to operate.Resistance R1 is sampling resistor, and Rx is current-limiting resistance, power acquisition 5V storage battery power supply.Contact and non-contact type electricity checking pattern can be selected according to switch.The signal that Laser emission/receiver receives is through A/D sampling module circuit to Single Chip Microcomputer (SCM) system, and line voltage distribution on a display screen, is shown on display screen through Single Chip Microcomputer (SCM) system process, judges trigger alarm circuit by Single Chip Microcomputer (SCM) system by measuring distance display.
In the embodiment shown in Figure 2 in non-contact electricity testing module, be made up of (referring to Fig. 3) electromagnetic field electroscope, rotary switch 8, voice guard 16, high-brightness LED pilot lamp 9, switch 10, when rotary switch 8 is rotated to TEST gear, response self-inspection, voice guard 16 toot cry, LED light lights, and represents electroscope corresponding module normal operation.If calling is very low, LED light is very dark, then may be that electric quantity of power supply is not enough.When confirming the duty of detector, can select 230V alternating current, and being tested near energized conductor at detector top, or by clothing or free-hand friction-top, being triggered also can complete test by electrostatic, the while that lamp being bright, alarm has sounded detection.Rotary switch there are the voltage gears (referring to Fig. 3) such as 230V, 3KV, 6KV, 10KV, 35KV, 66KV, 110KV, 220KV, 330KV, 500KV, select voltage gear in detection according to corresponding line rated voltage, after detecting voltage, high-brightness LED pilot lamp and voice guard respond.
The laser ranging of the detector inside described in this example provides self-service calibration function.Press laser switch 18, Instruments Laser is launched, locking measurement point.Again press laser switch 18, carry out the measurement of single range data, measurement result is shown to (see Fig. 3) on digital display screen 6.
Insulating bar 3 described in this example can stretch to the inside of insulating bar 4, and insulating bar 4 can be twisted and be received on the top screw of detector.When needs carry out contact electrical verification, expansion link is twisted and connect, voltage signal to be input to by wire by the signal output port A on insulating bar in the signal input port B on holding rod (see Fig. 1).
Claims (8)
1. digitizing complex function type high voltage electroscope, it has expansion link, and expansion link is socketed successively by holding rod, insulating bar 3 and insulating bar 4 and forms, the upper end of insulating bar 3 is provided with detection hook 1, and the inside of insulating bar 3 installs series limiting resistor 2 additional, one end of series limiting resistor with detect hook 1 and be communicated with, signal input port A on the tube wall that the other end extends to holding rod, insulating bar 4 is screwed on detector, in the screw-on place 15 of insulating bar 4, generating laser 16 is housed, generating laser 16 other installing focus lamp 17, detector is by housing 7, built-in circuit, rotary switch 8, switch 10, emf sensor, voice guard 16, high-brightness LED pilot lamp 9, digital display screen 6, the adjustable knob 14 of current-limiting resistance 2, generating laser 16, focus lamp 17, connector 13, composition such as laser switch 18 grade, built-in circuit is by A/D modular circuit, single chip circuit, warning circuit, voltage display circuit, self-checking circuit, the compositions such as gear selecting circuit, under detector, holding rod is installed, there is hand-held spacing ring 11 holding rod upper end, signal input port B is had above spacing ring, holding rod top installs lithium battery 5 additional, holding rod inwall is provided with conducting film 12, conductive film is conductive paint, and be connected with input port A by wire, power supply 5V voltage is for driving single chip circuit, the output of warning circuit is connected with voice guard (high-pitched tone, high power hummer) 16 and high-brightness LED pilot lamp 9 respectively, generating laser 16 is connected with A/D modular circuit, the output of voltage display circuit is connected with digital display screen 6, the signal input part of detector is connected through wire with signal output port.
2. digitizing complex function type high voltage electroscope according to claim 1, it is characterized in that: digitizing complex function type high voltage electroscope has contact and contactless two kinds of electrical verification patterns, described switch can select contact electrical verification pattern and non-contact type electricity checking pattern, can select electroscope pattern according to demand.
3. digitizing complex function type high voltage electroscope according to claim 2, is characterized in that: insulating bar 3 can stretch in the tube wall of insulating bar 4, and insulating bar 4 can be screwed onto the top of tester, and holding rod is together with being screwed onto bottom tester.Select insulating bar 4 to be backed out during noncontact mode, select during contact electrical verification pattern, insulating bar 4 to be assembled.
4. digitizing complex function type high voltage electroscope according to claim 3, generating laser 16 is equipped with in its screw-on place, top 15, generating laser 16 other installing focus lamp 17, and measuring distance amount processes Circuit display on digital display screen 6 by distance; This electroscope its can judge that it circuit is induced voltage or operating voltage that circuit judges, and be shown on digital display screen 6 by the estimated value of line voltage distribution, inner Single Chip Microcomputer (SCM) system can according to voltage estimate measuring voltage value on this Distance geometry sensor.
5. digitizing complex function type high voltage electroscope according to claim 4, is characterized in that: described rotary switch 8 can select corresponding gear according to high-tension line rated voltage, can reach the object of a multi-purpose instrument.
6. digitizing complex function type high voltage electroscope according to claim 5, installs conical shield cylinder additional outside it, according to the anti-interference standard of measuring distance and country, can measure circuit to be measured within inclination 15 degree, improves the sensitivity of electroscope electrical verification.
7. digitizing complex function type high voltage electroscope according to claim 1, is characterized in that: built-in circuit is made up of A/D modular circuit, single chip circuit, warning circuit, voltage display circuit, self-checking circuit, gear selecting circuit etc.
8. digitizing complex function type high voltage electroscope according to claim 7, it is characterized in that: signal processing circuit and warning circuit and voltage display circuit are connected, and the output of warning circuit is connected with voice guard (high-pitched tone, high power hummer) 16 and high-brightness LED pilot lamp 9 respectively; The output of voltage display circuit is connected with digital display screen 6.
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| CN201510419382.6A CN105137161A (en) | 2015-07-17 | 2015-07-17 | Digital composite functional high-voltage electroscope |
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| CN201510419382.6A CN105137161A (en) | 2015-07-17 | 2015-07-17 | Digital composite functional high-voltage electroscope |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105547334A (en) * | 2015-12-15 | 2016-05-04 | 重庆梅安森科技股份有限公司 | Multi-shift sensor |
| CN105699743A (en) * | 2016-03-08 | 2016-06-22 | 国网浙江省电力公司湖州供电公司 | Electroscope dedicated to 220 kV double bundle conductor |
| CN107064606A (en) * | 2017-04-25 | 2017-08-18 | 国家电网公司 | A kind of high pressure power frequency self-monitoring electroscope |
| CN107478894A (en) * | 2016-06-07 | 2017-12-15 | 恒同(中国)有限公司 | The measurable non-contact intelligent type high voltage electroscope of magnitude of voltage |
| CN107607777A (en) * | 2017-11-23 | 2018-01-19 | 长兴华阁耐物流装备有限公司 | A kind of double indicator lamp automatically retractable high voltage testing devices |
| CN108072787A (en) * | 2016-11-07 | 2018-05-25 | 恒同(中国)有限公司 | Non-contact intelligent type high voltage direct current electroscope |
| CN108241126A (en) * | 2016-12-23 | 2018-07-03 | 旺玖科技股份有限公司 | Non-contact intelligent battery sensing system and method |
| CN108663564A (en) * | 2018-07-10 | 2018-10-16 | 大连理工大学 | A kind of two-in-one sensor for high voltage electroscope |
| CN108717150A (en) * | 2018-05-11 | 2018-10-30 | 咸亨国际（杭州）电气制造有限公司 | A kind of Portable electricity detection device for electric cable and its method |
| CN109301754A (en) * | 2018-11-15 | 2019-02-01 | 国网河北省电力有限公司石家庄供电分公司 | Insulating bar and electroscope integrated device |
| CN109991464A (en) * | 2019-03-15 | 2019-07-09 | 国网辽宁省电力有限公司电力科学研究院 | It is a kind of to use contact and noncontacting proximity sensor and its electricity-testing method |
| CN110376423A (en) * | 2019-07-30 | 2019-10-25 | 国网河南省电力公司商丘供电公司 | A kind of electric power apparatus examination high voltage electroscope |
| CN110595609A (en) * | 2019-09-29 | 2019-12-20 | 国网河南省电力公司南召县供电公司 | Diagnosis device for rapidly judging fault of power transformation equipment through sound abnormity |
| CN110596447A (en) * | 2019-07-09 | 2019-12-20 | 国网江苏省电力有限公司徐州供电分公司 | Electric field measurement-based charged equipment surrounding safety detection device and detection method thereof |
| CN111025006A (en) * | 2019-12-20 | 2020-04-17 | 云南电网有限责任公司玉溪供电局 | Non-contact voltage detection and phase recognition device |
| CN111308165A (en) * | 2020-04-09 | 2020-06-19 | 国网河北省电力有限公司无极县供电分公司 | Electricity testing operation rod |
| CN113933570A (en) * | 2021-11-24 | 2022-01-14 | 国网山东省电力公司威海市文登区供电公司 | Telescopic high-voltage electroscope |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105547334A (en) * | 2015-12-15 | 2016-05-04 | 重庆梅安森科技股份有限公司 | Multi-shift sensor |
| CN105699743A (en) * | 2016-03-08 | 2016-06-22 | 国网浙江省电力公司湖州供电公司 | Electroscope dedicated to 220 kV double bundle conductor |
| CN107478894A (en) * | 2016-06-07 | 2017-12-15 | 恒同(中国)有限公司 | The measurable non-contact intelligent type high voltage electroscope of magnitude of voltage |
| CN108072787A (en) * | 2016-11-07 | 2018-05-25 | 恒同(中国)有限公司 | Non-contact intelligent type high voltage direct current electroscope |
| CN108241126A (en) * | 2016-12-23 | 2018-07-03 | 旺玖科技股份有限公司 | Non-contact intelligent battery sensing system and method |
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| CN107064606A (en) * | 2017-04-25 | 2017-08-18 | 国家电网公司 | A kind of high pressure power frequency self-monitoring electroscope |
| CN107607777A (en) * | 2017-11-23 | 2018-01-19 | 长兴华阁耐物流装备有限公司 | A kind of double indicator lamp automatically retractable high voltage testing devices |
| CN108717150B (en) * | 2018-05-11 | 2020-06-26 | 咸亨国际（杭州）电气制造有限公司 | Portable cable electricity testing device and method thereof |
| CN108717150A (en) * | 2018-05-11 | 2018-10-30 | 咸亨国际（杭州）电气制造有限公司 | A kind of Portable electricity detection device for electric cable and its method |
| CN108663564A (en) * | 2018-07-10 | 2018-10-16 | 大连理工大学 | A kind of two-in-one sensor for high voltage electroscope |
| CN108663564B (en) * | 2018-07-10 | 2023-09-19 | 大连理工大学 | Two-in-one sensor for high-voltage electroscope |
| CN109301754A (en) * | 2018-11-15 | 2019-02-01 | 国网河北省电力有限公司石家庄供电分公司 | Insulating bar and electroscope integrated device |
| CN109991464A (en) * | 2019-03-15 | 2019-07-09 | 国网辽宁省电力有限公司电力科学研究院 | It is a kind of to use contact and noncontacting proximity sensor and its electricity-testing method |
| CN110596447A (en) * | 2019-07-09 | 2019-12-20 | 国网江苏省电力有限公司徐州供电分公司 | Electric field measurement-based charged equipment surrounding safety detection device and detection method thereof |
| CN110376423A (en) * | 2019-07-30 | 2019-10-25 | 国网河南省电力公司商丘供电公司 | A kind of electric power apparatus examination high voltage electroscope |
| CN110595609A (en) * | 2019-09-29 | 2019-12-20 | 国网河南省电力公司南召县供电公司 | Diagnosis device for rapidly judging fault of power transformation equipment through sound abnormity |
| CN111025006A (en) * | 2019-12-20 | 2020-04-17 | 云南电网有限责任公司玉溪供电局 | Non-contact voltage detection and phase recognition device |
| CN111308165A (en) * | 2020-04-09 | 2020-06-19 | 国网河北省电力有限公司无极县供电分公司 | Electricity testing operation rod |
| CN113933570A (en) * | 2021-11-24 | 2022-01-14 | 国网山东省电力公司威海市文登区供电公司 | Telescopic high-voltage electroscope |
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Application publication date: 20151209 |