CN104502780A - Indoor electric line fault detection device - Google Patents

Indoor electric line fault detection device Download PDF

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Publication number
CN104502780A
CN104502780A CN201410824781.6A CN201410824781A CN104502780A CN 104502780 A CN104502780 A CN 104502780A CN 201410824781 A CN201410824781 A CN 201410824781A CN 104502780 A CN104502780 A CN 104502780A
Authority
CN
China
Prior art keywords
voltage
line
contact
button
live wire
Prior art date
Application number
CN201410824781.6A
Other languages
Chinese (zh)
Inventor
汪振杰
李军鹏
贾宁和
谢国勇
郭骐玮
盛红军
李林
虎启海
童文岚
马云飞
郑满谦
Original Assignee
国网宁夏电力公司固原供电公司
国家电网公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 国网宁夏电力公司固原供电公司, 国家电网公司 filed Critical 国网宁夏电力公司固原供电公司
Priority to CN201410824781.6A priority Critical patent/CN104502780A/en
Publication of CN104502780A publication Critical patent/CN104502780A/en

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Abstract

An indoor electric line fault detection device comprises a shell, a detection line, a measurement trigger, a first voltmeter, a second voltmeter and a third voltmeter. The first voltmeter, the second voltmeter and the third voltmeter are in parallel connection and mounted in a shell, and the measurement trigger is connected with a detection line. By adoption of the indoor electric line fault detection device, fault causes of electric lines can be found out by means of one-time measurement at power sockets of the electric lines, and safety, accuracy and quickness in checking and determining of faults of all lines in user's home. In addition, the indoor electric line fault detection device has the advantages of simple principles, convenience in manufacturing, portability, convenience in storage and capability of completely guaranteeing safety of operators.

Description

Indoor electric line fault testing device

technical field:

The present invention relates to meter detection equipment field, particularly a kind of indoor electric line fault testing device for indoor wireline inspection.

background technology:

Indoor electric circuit breaks down, multimeter is often needed to carry out the detection of voltage, multimeter belongs to high precision instrument, and multimeter causes damage for avoiding to itself in use, and during use, points for attention are more, testing process is very complicated, multimeter is used to detect with the outlet of electric line, respectively to zero line and live wire, zero line and ground wire, voltage between live wire and ground wire is measured, and pendulous frequency is many; The outlet layout of the use electric line in user family is very lack of standardization, and the outlet in some user family is a lot of all in comparatively narrow and small corner, space.Outlet in some user families is after sofa, the sofa that just needs to move away detects, some outlets are below cabinet for TV, now, the staff labour contractor that lies face down just is needed to probe into below cabinet for TV and detect, sometimes need to move a cabinet etc. situation, time-consumingly to require great effort again, when therefore adopting the check fee of multimeter to circuit in family room, effort and more dangerous.

summary of the invention:

In view of this, be necessary to provide a kind of indoor electric line fault testing device for indoor wireline inspection.

A kind of indoor electric line fault testing device, comprise housing, detection line, measurement contact, the first voltage table, the second voltage table, tertiary voltage table, detection line comprises live wire, zero line and ground wire, measure contact and comprise live wire contact, zero line contact, ground wire contact and insulation shell, live wire contact is connected with live wire, zero line contact is connected with zero line, and ground wire contact is connected with ground wire, and live wire contact, zero line contact and ground wire contact are arranged in insulation shell; First voltage table, the second voltage table are in parallel with tertiary voltage table, two slotted lines of the first voltage table are connected with live wire and zero line respectively, a slotted line of tertiary voltage table is connected with ground wire, measure contact to be connected with detection line, the first voltage table, the second voltage table and tertiary voltage table are arranged in housing.

Preferably, indoor electric line fault testing device also comprises button SB1, resistance K1, button SB2 and resistance K2, parallel resistance K1 and button SB1 on the live wire be connected with the first voltage table and zero line, and parallel resistance K2 and button SB2, button SB1, resistance K1, button SB2 and resistance K2 are arranged in housing between the ground wire of tertiary voltage list catenation and live wire.

Preferably, housing is provided with the first voltage table viewing area, the second voltage table viewing area, tertiary voltage table viewing area, button SB1 district and button SB2 district.

Three pieces of voltage table parallel connections of indoor electric line fault testing device provided by the invention, voltage between first voltage table fixation measuring live wire and zero line, voltage between the second voltage table fixation measuring live wire and ground wire, voltage between tertiary voltage table fixation measuring ground wire and zero line, shown by the registration of voltage table, determining section line fault, draw the first voltage table slotted line, at slotted line two ends, (live wire and zero line) parallel resistance K1 and button SB1 forms loop H1, button SB1 control loop H1; Draw the first voltage table slotted line live wire, draw tertiary voltage table slotted line ground wire, between live wire and ground wire, parallel resistance K2 and button SB2 forms loop H2, button SB2 control loop H2.When access three line electricity; the whether reversal connection of indoor electric line grounding wire and zero line can be detected in H1 loop; H2 loop can earth leakage protective device whether fault in sensing chamber; three pieces of voltage table work simultaneously; measure live wire and zero line, live wire and ground wire, voltage between zero line and ground wire respectively, to judge All other routes fault.So, employing the present invention can by carrying out disposable measurement at user power utilization line power spigot, the failure cause by electric line can be found out, safety, accurately, fast complete to the investigation of the fault of circuits all in user family with determine, principle is simple, easy to make, be easy to carry and deposit, worker safety can be ensured completely.Indoor electric line fault testing device is the detection for household electricity circuit, so user also can carry out fault detect with this device to circuit at home.Complete house decoration in user family or purchase new house, can make once " health check-up " circuit in family of indoor electric line fault testing device.

accompanying drawing illustrates:

Fig. 1 is the external structure schematic diagram of indoor electric line fault testing device.

Fig. 2 is the back panel wiring principle schematic of indoor electric line fault testing device.

In figure: voltage table viewing area 12, housing 10, first voltage table viewing area 11, second, tertiary voltage table viewing area 13, button SB1 district 14, button SB2 district 15, detection line 20, measurement contact 30, insulation shell 31, live wire contact 32, zero line contact 33, ground wire contact 34, first voltage table 40, second voltage table 50, tertiary voltage table 60.

embodiment:

Please refer to Fig. 1 and Fig. 2, indoor electric line fault testing device comprises shell, 10, detection line 20, measurement contact 30, first voltage table 40, second voltage table 50, tertiary voltage table 60, detection line 20 comprises live wire, zero line and ground wire, measure contact 30 and comprise live wire contact 32, zero line contact 33, ground wire contact 34 and insulation shell 31, live wire contact 32 is connected with live wire, zero line contact 33 is connected with zero line, ground wire contact 34 is connected with ground wire, and live wire contact 32, zero line contact 33 and ground wire contact 34 are arranged in insulation shell 31; First voltage table 40, second voltage table 50 is in parallel with tertiary voltage table 60, two slotted lines of the first voltage table 40 are connected with live wire and zero line respectively, a slotted line of tertiary voltage table 60 is connected with ground wire, measure contact 30 to be connected with detection line 20, the first voltage table 40, second voltage table 50 and tertiary voltage table 60 are arranged in housing 10.

In the present embodiment, indoor electric line fault testing device also comprises button SB1, resistance K1, button SB2 and resistance K2, parallel resistance K1 and button SB1 on the live wire be connected with the first voltage table 40 and zero line, between the ground wire be connected with tertiary voltage table 60 and live wire, parallel resistance K2 and button SB2, button SB1, resistance K1, button SB2 and resistance K2 are arranged in housing 10.Housing 10 is provided with the first voltage table viewing area 12, voltage table viewing area 11, second, tertiary voltage table viewing area 13, button SB1 district 14 and button SB2 district 15.

Three pieces of voltage table parallel connections of indoor electric line fault testing device provided by the invention, voltage between first voltage table 40 fixation measuring live wire and zero line, voltage between the second voltage table 50 fixation measuring live wire and ground wire, voltage between tertiary voltage table 60 fixation measuring ground wire and zero line, shown by the registration of voltage table, determining section line fault, draw the first voltage table 40 slotted line, at slotted line two ends, (live wire and zero line) parallel resistance K1 and button SB1 forms loop H1, button SB1 control loop H1; Draw the first voltage table 40 slotted line live wire, draw tertiary voltage table 60 slotted line ground wire, between live wire and ground wire, parallel resistance K2 and button SB2 forms loop H2, button SB2 control loop H2.When access three line electricity; the whether reversal connection of indoor electric line grounding wire and zero line can be detected in H1 loop; H2 loop can earth leakage protective device whether fault in sensing chamber; three pieces of voltage table work simultaneously; measure live wire and zero line, live wire and ground wire, voltage between zero line and ground wire respectively, to judge All other routes fault.So, employing the present invention can by carrying out disposable measurement at user power utilization line power spigot, the failure cause by electric line can be found out, safety, accurately, fast complete to the investigation of the fault of circuits all in user family with determine, principle is simple, easy to make, be easy to carry and deposit, worker safety can be ensured completely.Indoor electric line fault testing device is the detection for household electricity circuit, so user also can carry out fault detect with this device to circuit at home.Complete house decoration in user family or purchase new house, can make once " health check-up " circuit in family of indoor electric line fault testing device.

Claims (3)

1. an indoor electric line fault testing device, it is characterized in that: indoor electric line fault testing device comprises housing, detection line, measurement contact, the first voltage table, the second voltage table, tertiary voltage table, detection line comprises live wire, zero line and ground wire, measure contact and comprise live wire contact, zero line contact, ground wire contact and insulation shell, live wire contact is connected with live wire, zero line contact is connected with zero line, ground wire contact is connected with ground wire, and live wire contact, zero line contact and ground wire contact are arranged in insulation shell; First voltage table, the second voltage table are in parallel with tertiary voltage table, two slotted lines of the first voltage table are connected with live wire and zero line respectively, a slotted line of tertiary voltage table is connected with ground wire, measure contact to be connected with detection line, the first voltage table, the second voltage table and tertiary voltage table are arranged in housing.
2. indoor electric line fault testing device as claimed in claim 1, it is characterized in that: indoor electric line fault testing device also comprises button SB1, resistance K1, button SB2 and resistance K2, parallel resistance K1 and button SB1 on the live wire be connected with the first voltage table and zero line, and parallel resistance K2 and button SB2, button SB1, resistance K1, button SB2 and resistance K2 are arranged in housing between the ground wire of tertiary voltage list catenation and live wire.
3. indoor electric line fault testing device as claimed in claim 2, is characterized in that: housing is provided with the first voltage table viewing area, the second voltage table viewing area, tertiary voltage table viewing area, button SB1 district and button SB2 district.
CN201410824781.6A 2014-12-27 2014-12-27 Indoor electric line fault detection device CN104502780A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410824781.6A CN104502780A (en) 2014-12-27 2014-12-27 Indoor electric line fault detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410824781.6A CN104502780A (en) 2014-12-27 2014-12-27 Indoor electric line fault detection device

Publications (1)

Publication Number Publication Date
CN104502780A true CN104502780A (en) 2015-04-08

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Family Applications (1)

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CN201410824781.6A CN104502780A (en) 2014-12-27 2014-12-27 Indoor electric line fault detection device

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106556334A (en) * 2015-09-29 2017-04-05 中国飞机强度研究所 Portable electric flow pattern displacement transducer detection means
CN107462804A (en) * 2017-09-26 2017-12-12 捍防(苏州)实业有限公司 A kind of Electrical Safety analytical equipment
CN107727987A (en) * 2017-09-26 2018-02-23 捍防(苏州)实业有限公司 A kind of Electrical Safety analysis method
CN108398655A (en) * 2018-03-06 2018-08-14 艾思玛新能源技术(上海)有限公司苏州高新区分公司 The output ground fault detection method and sampled signal processing method of gird-connected inverter

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CN101582549A (en) * 2008-05-15 2009-11-18 上海化工研究院 Method for judging failure on single-phase three-wire attaching plug and safety plug
CN102243286A (en) * 2011-05-17 2011-11-16 李英岱 Apparatus for detecting and displaying grounding state of equipment or socket
CN202057749U (en) * 2011-05-17 2011-11-30 李英岱 Instrument for detecting and displaying ground state of equipment or socket
CN202906134U (en) * 2012-11-20 2013-04-24 陕西理工学院 Power socket with function of leakage intensity indication
CN202940463U (en) * 2012-12-11 2013-05-15 衡水供电公司 Power-supply switching box
JP5315474B1 (en) * 2013-04-16 2013-10-16 アメリカン電機株式会社 Laying inspector using DC pulse
CN203813141U (en) * 2013-05-16 2014-09-03 介国安 Capacitor step-down energy-saving faulted neutral line protection and grounding universal self-checking connector assembly
CN203813140U (en) * 2013-05-16 2014-09-03 介国安 Faulted neutral line protection and grounding universal self-checking single-phase three-pole power strip
CN204302431U (en) * 2014-12-27 2015-04-29 国网宁夏电力公司固原供电公司 Indoor electric line fault testing device

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06289085A (en) * 1993-04-05 1994-10-18 Fujita Corp Testing apparatus for electric power circuit
US5642052A (en) * 1995-06-05 1997-06-24 Etcon Corporation Hand-held tester for receptacle ground fault circuit interrupters
CN1987491A (en) * 2005-12-22 2007-06-27 海尔集团公司 Electric power monitor for single phase AC electric device inspection and repair
CN101241161A (en) * 2008-03-14 2008-08-13 中国航天科技集团公司第五研究院第五一四研究所 Single-phase three-hole power socket detection device
CN101582549A (en) * 2008-05-15 2009-11-18 上海化工研究院 Method for judging failure on single-phase three-wire attaching plug and safety plug
CN201278011Y (en) * 2008-10-24 2009-07-22 上海天泉建筑装饰工程有限公司 Electric power socket tester
CN102243286A (en) * 2011-05-17 2011-11-16 李英岱 Apparatus for detecting and displaying grounding state of equipment or socket
CN202057749U (en) * 2011-05-17 2011-11-30 李英岱 Instrument for detecting and displaying ground state of equipment or socket
CN202906134U (en) * 2012-11-20 2013-04-24 陕西理工学院 Power socket with function of leakage intensity indication
CN202940463U (en) * 2012-12-11 2013-05-15 衡水供电公司 Power-supply switching box
JP5315474B1 (en) * 2013-04-16 2013-10-16 アメリカン電機株式会社 Laying inspector using DC pulse
CN203813141U (en) * 2013-05-16 2014-09-03 介国安 Capacitor step-down energy-saving faulted neutral line protection and grounding universal self-checking connector assembly
CN203813140U (en) * 2013-05-16 2014-09-03 介国安 Faulted neutral line protection and grounding universal self-checking single-phase three-pole power strip
CN204302431U (en) * 2014-12-27 2015-04-29 国网宁夏电力公司固原供电公司 Indoor electric line fault testing device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106556334A (en) * 2015-09-29 2017-04-05 中国飞机强度研究所 Portable electric flow pattern displacement transducer detection means
CN107462804A (en) * 2017-09-26 2017-12-12 捍防(苏州)实业有限公司 A kind of Electrical Safety analytical equipment
CN107727987A (en) * 2017-09-26 2018-02-23 捍防(苏州)实业有限公司 A kind of Electrical Safety analysis method
CN107727987B (en) * 2017-09-26 2019-11-05 捍防(苏州)实业有限公司 A kind of Electrical Safety analysis method
CN108398655A (en) * 2018-03-06 2018-08-14 艾思玛新能源技术(上海)有限公司苏州高新区分公司 The output ground fault detection method and sampled signal processing method of gird-connected inverter

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Application publication date: 20150408