CN105652146A - Current transformer polarity detector and detection method - Google Patents
Current transformer polarity detector and detection method Download PDFInfo
- Publication number
- CN105652146A CN105652146A CN201610029503.0A CN201610029503A CN105652146A CN 105652146 A CN105652146 A CN 105652146A CN 201610029503 A CN201610029503 A CN 201610029503A CN 105652146 A CN105652146 A CN 105652146A
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- China
- Prior art keywords
- current transformer
- regulating block
- matrix
- terminal slots
- wiring
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/72—Testing of electric windings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/02—Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformers For Measuring Instruments (AREA)
Abstract
The invention discloses a current transformer polarity detector and a detection method. The current transformer polarity detector comprises an ammeter and a wiring device. The wiring device comprises a base body and a plurality of wiring modules arranged on the base body. The base body is made of an insulating material. Each wiring module comprises two terminal slots formed in the base body and an adjusting block inserted in the base body. One end of the adjusting block is made of a conductive material, and the other end of the adjusting material is made of an insulating material. Two side surface of the insulating end of the adjusting block are respectively provided with a conductive sheet, the two conductive sheets are mutually insulated, and the two conductive sheets are connected with two wiring columns of the ammeter respectively through a conductive wire. The above current transformer polarity detector is adopted by the current transformer polarity detection method. According to the invention, repeated wiring of a secondary winding terminal is not needed, and the switching speed is high, so that an open circuit of the current transformer secondary winding is avoided.
Description
Technical field
The present invention relates to a kind of electric power detector and detection method, particularly toA kind of current transformer polarity detector and detection method��
Background technology
China Patent No. 201210422230.8 discloses a kind of current transformer characteristic test secondary wiring device, it is connected with binding post by double-point double-throw switch one end, the other end is placed in testing terminal or short-circuited terminal, binding post is connected with the wire of the extraction of the secondary windings of current transformer, short-circuited terminal ground connection, it is achieved that wiring need not can complete the switching between " connecting test " and " short circuit grounding " two states.
This kind of test device is before testing, it is necessary to connect double-point double-throw switch on the secondary coil of tested current transformer, and it also requires group device short-circuited terminal and testing terminal. Operate loaded down with trivial details.
Summary of the invention
The technical problem to be solved in the present invention is: provides a kind of easy to operate current transformer polarity detector, and provides a kind of polarity detection method adopting aforementioned currents mutual inductor polarity detector.
In order to solve above-mentioned technical problem, current transformer polarity detector of the present invention includes ammeter and termination, termination includes matrix and the multiple Wiring modules being arranged on matrix, matrix adopts insulant, Wiring module includes two terminal slots being arranged on matrix and the regulating block being plugged on matrix, one end of regulating block adopts conductive material, the other end of regulating block adopts insulant, the two sides of the insulating end of regulating block are respectively provided with a conducting strip, two conducting strips insulate mutually, two conducting strips are connected with two binding posts of ammeter respectively through wire, after all plugging terminal in two terminal slots, regulating block is in position adjustments process, regulating block have two conducting strips respectively with the state of two termination contact, regulating block also has the state of conducting end and two termination contact.
In order to inserting terminal is convenient, described Wiring module has 3-6, and all Wiring modules are arranged in in-line, and two terminal slots of each Wiring module and the slot of regulating block are arranged in I-shaped. So that terminal slots is wider than regulating block slot, regulating block can be stuck in terminal slots, the terminal difficult drop-off when regulating block slides.
In order to prevent terminal removal further, the through matrix of slot of described regulating block, the not through matrix of terminal slots, the notch of all of terminal slots is in the same side of matrix.
Current transformer polarity detection method of the present invention, comprises the steps: that (1) adoptsSuch as claim1, the current transformer polarity detector described in 2 or 3, the conducting end of all regulating blocks is adjusted to two terminal slots just to position; (2) two binding posts that the secondary of each current transformer to be detected winds are inserted respectively in the two-terminal slot of a Wiring module, make the secondary winding short circuit of all current transformers; (3) detection, regulating block corresponding for one current transformer to be detected is adjusted to two conducting strips just right with two terminal slots respectively, make the secondary winding turn-on current table of this current transformer, then the once winding of this current transformer is disconnected with power on moment, observe ammeter simultaneously; (4) polarity of the secondary winding of current transformer is judged according to the rotary state of the pointer of ammeter; (5) position regulating regulating block makes the secondary winding surveyed short-circuit, repeats the next current transformer of step (3) and (4) detection; (6) step (5) is repeated until having detected all current transformers.
The invention has the beneficial effects as follows: the present invention adopts special termination, one termination can connect multiple secondary winding, by regulate the position switching secondary winding of regulating block short-circuit condition and with the connection status of ammeter, terminal wiring repeatedly need not be wound by secondary, and switch speed is fast, it is thus possible to avoid Current Transformer Secondary winding open circuit.
Accompanying drawing explanation
Fig. 1Structural representation for the present inventionFigure;
Fig. 2ForFig. 1A-A cut open and showFigure;
Fig. 3ForFig. 2B-B cut open and showFigure;
Figure4 is the structural representation amplification of part 4Figure;
In figure: 1, ammeter, 2, matrix, 3, terminal slots, 4, regulating block, 5, wire, 4-1, conducting end, 4-2, insulating end, 4-3, conducting strip.
Detailed description of the invention
Such as Fig. 1��Fig. 2WithFig. 3Shown a kind of current transformer polarity detector, it includes electric currentTable 1And termination, termination includes matrix 2 and the multiple Wiring modules being arranged on matrix 2, and matrix 2 adopts insulant, Wiring module to include two terminal slots 3 being arranged on matrix 2 and the regulating block 4 being plugged on matrix 2,Such as figureShown in 4, one end of regulating block 4 adopts conductive material, the other end of regulating block 4 adopts insulant, form conducting end 4-1 and insulating end 4-2, the two sides of the insulating end 4-2 of regulating block 4 are respectively provided with a conducting strip 4-3, two conducting strip 4-3 phases insulate, and two conducting strip 4-3 are respectively through wire 5 and electric currentTable 1Two binding posts connect, after all plugging terminal in two terminal slots 3, regulating block 4 in position adjustments process, regulating block have two conducting strip 4-3 respectively with the state of two termination contact, regulating block 4 also has the state of conducting end 4-1 and two termination contact.
Wiring module has 4, and all Wiring modules are arranged in in-line, and two terminal slots 3 of each Wiring module and the slot of regulating block 4 are arranged in I-shaped. The through matrix 2 of slot of regulating block 4, the not through matrix of terminal slots 3, the notch of all of terminal slots 3 is in the same side of matrix 2.
A kind of current transformer polarity detection method, comprises the steps: that (1) adoptsSuch as Fig. 1��Fig. 2WithFig. 3Shown current transformer polarity detector, one end that all regulating blocks 4 conduct electricity is adjusted to two terminal slots 3 just to position;(2) two binding posts that the secondary of each current transformer to be detected winds are inserted respectively in the two-terminal slot 3 of a Wiring module, make the secondary winding short circuit of all current transformers; (3) detection, is adjusted to two conducting strip 4-3 by regulating block 4 corresponding for current transformer to be detected just right with two terminal slots 3 respectively, makes the secondary winding turn-on current of this current transformerTable (Remove short-circuit condition), then the once winding of this current transformer is disconnected with power on moment, observe ammeter simultaneously; (4) polarity of the secondary winding of current transformer is judged according to the rotary state of the pointer of ammeter; (5) position regulating regulating block makes the secondary winding surveyed short-circuit, repeats the next current transformer of step (3) and (4) detection; (6) step (5) is repeated until having detected all current transformers.
Claims (4)
1. a current transformer polarity detector, it is characterized in that: include ammeter and termination, termination includes matrix and the multiple Wiring modules being arranged on matrix, matrix adopts insulant, Wiring module includes two terminal slots being arranged on matrix and the regulating block being plugged on matrix, one end of regulating block adopts conductive material, the other end of regulating block adopts insulant, the two sides of the insulating end of regulating block are respectively provided with a conducting strip, two conducting strips insulate mutually, two conducting strips are connected with two binding posts of ammeter respectively through wire, after all plugging terminal in two terminal slots, regulating block is in position adjustments process, regulating block have two conducting strips respectively with the state of two termination contact, regulating block regulating block also has the state of conducting end and two termination contact.
2. current transformer polarity detector according to claim 1, it is characterised in that: described Wiring module has 3-6, and all Wiring modules are arranged in in-line, and two terminal slots of each Wiring module and the slot of regulating block are arranged in I-shaped.
3. current transformer polarity detector according to claim 2, it is characterised in that: the through matrix of slot of described regulating block, the not through matrix of terminal slots, the notch of all of terminal slots is in the same side of matrix.
4. a current transformer polarity detection method, it is characterized in that: comprise the steps: that (1) adopts current transformer polarity detector as described in claim 1,2 or 3, the conducting end of all regulating blocks is adjusted to two terminal slots just to position; (2) two binding posts that the secondary of each current transformer to be detected winds are inserted respectively in the two-terminal slot of a Wiring module, make the secondary winding short circuit of all current transformers; (3) detection, regulating block corresponding for one current transformer to be detected is adjusted to two conducting strips just right with two terminal slots respectively, make the secondary winding turn-on current table of this current transformer, then the once winding of this current transformer is disconnected with power on moment, observe ammeter simultaneously; (4) polarity of the secondary winding of current transformer is judged according to the rotary state of the pointer of ammeter; (5) position regulating regulating block makes the secondary winding surveyed short-circuit, repeats the next current transformer of step (3) and (4) detection; (6) step (5) is repeated until having detected all current transformers.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610029503.0A CN105652146B (en) | 2016-01-18 | 2016-01-18 | A kind of current transformer polarity detector and detection method |
| CN201810559489.4A CN109001586B (en) | 2016-01-18 | 2016-01-18 | Polarity detection method for current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610029503.0A CN105652146B (en) | 2016-01-18 | 2016-01-18 | A kind of current transformer polarity detector and detection method |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810559489.4A Division CN109001586B (en) | 2016-01-18 | 2016-01-18 | Polarity detection method for current transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105652146A true CN105652146A (en) | 2016-06-08 |
| CN105652146B CN105652146B (en) | 2018-11-16 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810559489.4A Active CN109001586B (en) | 2016-01-18 | 2016-01-18 | Polarity detection method for current transformer |
| CN201610029503.0A Active CN105652146B (en) | 2016-01-18 | 2016-01-18 | A kind of current transformer polarity detector and detection method |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810559489.4A Active CN109001586B (en) | 2016-01-18 | 2016-01-18 | Polarity detection method for current transformer |
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| CN (2) | CN109001586B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202562967U (en) * | 2012-05-15 | 2012-11-28 | 珠海格力电器股份有限公司 | Rapid wiring device and testing system |
| CN203224526U (en) * | 2013-04-07 | 2013-10-02 | 国家电网公司 | A high-voltage wire connector used for AC withstanding voltage |
| CN103344935A (en) * | 2013-05-10 | 2013-10-09 | 国家电网公司 | Full-automatic low-voltage current transformer testing wiring apparatus |
| CN103715525A (en) * | 2013-12-30 | 2014-04-09 | 重庆雷士照明有限公司 | Fast-inserting terminal block |
| CN204271321U (en) * | 2014-08-29 | 2015-04-15 | 广东华声电器股份有限公司 | A kind of American cross two insert |
| JP2015220769A (en) * | 2014-05-14 | 2015-12-07 | 三菱電機株式会社 | Connection conductor unit |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100535678C (en) * | 2003-11-12 | 2009-09-02 | 国际商业机器公司 | Ionization test for electrical verification |
| CN102944700B (en) * | 2012-10-30 | 2015-11-18 | 武汉华源电力工程有限责任公司 | A kind of current transformer characteristic test secondary wiring device |
| CN204330944U (en) * | 2015-01-14 | 2015-05-13 | 李振东 | Instrument for testing polarity of current transformer |
| CN204832398U (en) * | 2015-05-21 | 2015-12-02 | 国家电网公司 | Current transformer secondary wiring detection device that take a percentage more |
| CN204925309U (en) * | 2015-07-31 | 2015-12-30 | 国网山东沂源县供电公司 | Current transformer polarity tester |
| CN204832412U (en) * | 2015-08-07 | 2015-12-02 | 国网山东省电力公司淄博供电公司 | Novel combined instrument transformer polarity test appearance |
-
2016
- 2016-01-18 CN CN201810559489.4A patent/CN109001586B/en active Active
- 2016-01-18 CN CN201610029503.0A patent/CN105652146B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202562967U (en) * | 2012-05-15 | 2012-11-28 | 珠海格力电器股份有限公司 | Rapid wiring device and testing system |
| CN203224526U (en) * | 2013-04-07 | 2013-10-02 | 国家电网公司 | A high-voltage wire connector used for AC withstanding voltage |
| CN103344935A (en) * | 2013-05-10 | 2013-10-09 | 国家电网公司 | Full-automatic low-voltage current transformer testing wiring apparatus |
| CN103715525A (en) * | 2013-12-30 | 2014-04-09 | 重庆雷士照明有限公司 | Fast-inserting terminal block |
| JP2015220769A (en) * | 2014-05-14 | 2015-12-07 | 三菱電機株式会社 | Connection conductor unit |
| CN204271321U (en) * | 2014-08-29 | 2015-04-15 | 广东华声电器股份有限公司 | A kind of American cross two insert |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109001586B (en) | 2020-07-17 |
| CN109001586A (en) | 2018-12-14 |
| CN105652146B (en) | 2018-11-16 |
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Effective date of registration: 20181010 Address after: 225400 west side of Dai Wang Road, Taixing hi tech Industrial Development Zone, Taizhou, Jiangsu Applicant after: Taixing SEER Amperex Technology Limited Address before: 262700 Shouguang City, Shouguang City, Shandong Province, Guangming Road, San you, Weifang, Shouguang City. Applicant before: Xin Xinghua |
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