CN105572430A - Wiring apparatus for polarity detection of current transformer, and manufacturing method thereof - Google Patents
Wiring apparatus for polarity detection of current transformer, and manufacturing method thereof Download PDFInfo
- Publication number
- CN105572430A CN105572430A CN201610029187.7A CN201610029187A CN105572430A CN 105572430 A CN105572430 A CN 105572430A CN 201610029187 A CN201610029187 A CN 201610029187A CN 105572430 A CN105572430 A CN 105572430A
- Authority
- CN
- China
- Prior art keywords
- matrix
- regulating block
- mold core
- diaphragm capsule
- current transformer
- Prior art date
- Legal status (The legal status 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 status listed.)
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Classifications
-
- 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
- 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
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformers For Measuring Instruments (AREA)
Abstract
The invention discloses a wiring apparatus for polarity detection of a current transformer, and a manufacturing method thereof. The wiring apparatus comprises a matrix and a plurality of wiring modules which are arranged on the matrix, wherein each wiring module includes two terminal slots in the matrix and an adjusting block which is plugged in the matrix; one end of the adjusting block is made of conductive material, and the other end of the adjusting block is made of insulating material; and two side surfaces of an insulating end of the adjusting block are respectively provided with one conducting strip. The manufacturing method of the wiring apparatus utilizes an enclosed die to enclose a molded matrix. As the special wiring apparatus is utilized, repeated wiring of a secondary winding terminal is not required and the switching speed is high, so that a secondary winding open circuit for the current transformer is avoided. The manufacturing method of the wiring apparatus utilizes special method to manufacture a matrix so that the injection molded matrix is convenient for demoulding and the production efficiency of the matrix is high.
Description
Technical field
The present invention relates to a kind of current transformer Check up polarity termination, particularly a kind of current transformer Check up polarity termination and preparation method thereof.
Background technology
China Patent No. 201210422230.8 discloses a kind of current transformer characteristic test secondary wiring device, be connected with connection terminal by double-point double-throw switch one end, the other end can be placed in testing terminal or short-circuited terminal, connection terminal is connected with the wire of the extraction of the secondary winding of current transformer, short-circuited terminal ground connection, achieves and does not need wiring can complete switching between " connect test " and " short circuit grounding " two states.
This kind of proving installation before testing, needs to connect double-point double-throw switch on the secondary coil of tested current transformer, and needs 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: provide a kind of patching operations simple current transformer Check up polarity termination, also provide a kind of method for making of aforementioned termination.
In order to solve the problems of the technologies described above, the present invention includes matrix and be arranged on the multiple Wiring modules on matrix, matrix adopts insulating material, Wiring module comprises two terminal slots be arranged on matrix and the regulating block be plugged on matrix, one end of regulating block adopts conductive material, the other end of regulating block adopts insulating material, 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 to wire, wire one end is located in the insulating end of regulating block, the other end of wire is drawn from the end face of regulating block insulating end, after all plugging terminal in two terminal slots, regulating block is in the adjustment process of position, 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.Thus making terminal slots 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 terminal slots is in the same side of matrix.
The method for making of current transformer Check up polarity termination of the present invention, it is characterized in that: comprise the steps: (1) injection mo(u)lding matrix: adopt closed die, mould comprise diaphragm capsule and and lower diaphragm capsule, an enclosed box body is formed after upper diaphragm capsule and lower diaphragm capsule matched moulds, the bottom of lower diaphragm capsule is provided with the I shape lower mold core identical with the Wiring module quantity of matrix, upper diaphragm capsule is provided with the yi word pattern upper mold core that quantity is identical with lower mold core quantity, upper diaphragm capsule is provided with injecting hole and bleeder vent, first by upper diaphragm capsule and lower diaphragm capsule matched moulds, upper mold core and lower mold core one_to_one corresponding, upper mold core withstands on the intermediate beam of lower mold core, fluid plastic is injected from injecting hole, mold the matrix of the slot of band terminal slots and regulating block, (2) regulating block is made, (3) regulating block is installed on matrix.
In order to improve the quality of matrix, described injecting hole and bleeder vent are on the top board of diaphragm capsule, described injecting hole quantity is identical with upper mold core quantity, each upper mold core faces an injecting hole, injecting hole corresponding to adjacent upper mold core is positioned at the both sides of upper mold core, described bleeder vent has two, and two ventilative point is on two diagonal angles of the top board of patrix box.
The invention has the beneficial effects as follows: the present invention adopts special termination, a termination can connect multiple secondary winding, the short-circuit condition of secondary winding and the connection status with reometer is switched by regulating the position of regulating block, do not need the wiring repeatedly of secondary winding terminal, and switch speed is fast, thus Current Transformer Secondary winding can be avoided to open a way.The method for making of termination of the present invention adopts special method to make matrix, and the matrix after injection mo(u)lding is convenient in demoulding, and makes matrix production efficiency high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the A-A cut-away view of Fig. 1;
Fig. 3 is the B-B cut-away view of Fig. 2;
Fig. 4 is the structural representation enlarged drawing of part 4;
Fig. 5 is the perspective view (cuing open a sidewall) of lower diaphragm capsule;
Fig. 6 is the perspective view (spin upside down rear state, and cut open a sidewall) of upper diaphragm capsule.
In figure: 1, reometer, 2, matrix, 3, terminal slots, 4, regulating block, 5, wire, 6, lower diaphragm capsule, 7, lower mold core, 8, upper diaphragm capsule, 9, injecting hole, 10, upper mold core, 11, bleeder vent.4-1, conducting end, 4-2, insulating end, 4-3, conducting strip.
Embodiment
As Fig. 1, a kind of current transformer Check up polarity termination shown in Fig. 2 and Fig. 3, multiple Wiring modules that termination comprises matrix 2 and is arranged on matrix 2, matrix 2 adopts insulating material, Wiring module comprises two terminal slots 3 be arranged on matrix 2 and the regulating block 4 be plugged on matrix 2, as shown in Figure 4, one end of regulating block 4 adopts conductive material, the other end of regulating block 4 adopts insulating material, 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, two conducting strip 4-3 are respectively connected with a wire 5, wire 5 one end is located in the insulating end of regulating block 4, the other end of wire 5 is drawn from the end face of the insulating end of regulating block 4, after all plugging terminal in two terminal slots 3, regulating block 4 is in the adjustment process of position, 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 terminal slots 3 is in the same side of matrix 2.
The method for making of above-mentioned current transformer Check up polarity termination, comprise the steps: (1) injection mo(u)lding matrix 2: adopt closed die, as shown in Figure 5 and Figure 6, mould comprise diaphragm capsule 8 and and lower diaphragm capsule 6, an enclosed box body is formed after upper diaphragm capsule 8 and lower diaphragm capsule 6 matched moulds, the bottom of lower diaphragm capsule 6 is provided with the I shape lower mold core 7 identical with the Wiring module quantity of matrix 2, upper diaphragm capsule 8 is provided with the yi word pattern upper mold core 10 that quantity is identical with the quantity of lower mold core 7, upper diaphragm capsule 8 is provided with injecting hole 9 and bleeder vent 11, first by upper diaphragm capsule 8 and lower diaphragm capsule 6 matched moulds, upper mold core 10 and lower mold core 7 one_to_one corresponding, upper mold core 10 withstands on the intermediate beam of lower mold core 7, fluid plastic is injected from injecting hole 9, mold the matrix 2 of the slot of band terminal slots and regulating block, (2) regulating block 4 is made, (3) regulating block 4 is installed on matrix 2.
This termination is when making Check up polarity, reometer and power supply is coordinated to use, Check up polarity comprises the steps, one end that all regulating blocks 4 conduct electricity is adjusted to the position just right with two terminal slots 3 by (1), is connected on reometer 1 by two wires 5 of each regulating block 4; (2) two connection terminals of the secondary winding of each current transformer to be detected are inserted in the two-terminal slot 3 of a Wiring module respectively, make the secondary winding short circuit of all current transformers; (3) detect, regulating block 4 corresponding for current transformer to be detected is adjusted to two conducting strip 4-3 just right with two terminal slots 3 respectively, make the secondary winding turn-on current table (removal short-circuit condition) of this current transformer, then this current transformer winding and power supply connected and disconnect instantaneously, observing reometer simultaneously; (4) polarity of the secondary winding of current transformer is judged according to the rotary state of the pointer of reometer; (5) regulate the position of regulating block to make the secondary winding short circuit of survey, repeat step (3) and (4) and detect next current transformer; (6) step (5) is repeated until detected all current transformers.
Claims (5)
1. a current transformer Check up polarity termination, it is characterized in that: comprise matrix and be arranged on the multiple Wiring modules on matrix, matrix adopts insulating material, Wiring module comprises two terminal slots be arranged on matrix and the regulating block be plugged on matrix, one end of regulating block adopts conductive material, the other end of regulating block adopts insulating material, 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 to wire, wire one end is located in the insulating end of regulating block, the other end of wire is drawn from the end face of regulating block insulating end, after all plugging terminal in two terminal slots, regulating block is in the adjustment process of position, 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 Check up polarity termination according to claim 1, it is characterized in that: described Wiring module has 3-6, 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 Check up polarity termination according to claim 2, is characterized in that: the through matrix of slot of described regulating block, and the not through matrix of terminal slots, the notch of all terminal slots is in the same side of matrix.
4. the method for making of a current transformer Check up polarity termination as claimed in claim 3, it is characterized in that: comprise the steps: (1) injection mo(u)lding matrix: adopt closed die, mould comprise diaphragm capsule and and lower diaphragm capsule, an enclosed box body is formed after upper diaphragm capsule and lower diaphragm capsule matched moulds, the bottom of lower diaphragm capsule is provided with the I shape lower mold core identical with the Wiring module quantity of matrix, upper diaphragm capsule is provided with the yi word pattern upper mold core that quantity is identical with lower mold core quantity, upper diaphragm capsule is provided with injecting hole and bleeder vent, first by upper diaphragm capsule and lower diaphragm capsule matched moulds, upper mold core and lower mold core one_to_one corresponding, upper mold core withstands on the intermediate beam of lower mold core, fluid plastic is injected from injecting hole, mold the matrix of the slot of band terminal slots and regulating block, (2) regulating block is made, (3) regulating block is installed on matrix.
5. method for making according to claim 4, it is characterized in that: described injecting hole and bleeder vent are on the top board of diaphragm capsule, described injecting hole quantity is identical with upper mold core quantity, each upper mold core faces an injecting hole, injecting hole corresponding to adjacent upper mold core is positioned at the both sides of upper mold core, described bleeder vent has two, and two ventilative point is on two diagonal angles of the top board of patrix box.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610029187.7A CN105572430B (en) | 2016-01-18 | 2016-01-18 | A kind of current transformer Check up polarity termination and preparation method thereof |
| CN201810331587.2A CN108646133B (en) | 2016-01-18 | 2016-01-18 | Manufacturing method of wiring device for detecting polarity of current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610029187.7A CN105572430B (en) | 2016-01-18 | 2016-01-18 | A kind of current transformer Check up polarity termination and preparation method thereof |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810331587.2A Division CN108646133B (en) | 2016-01-18 | 2016-01-18 | Manufacturing method of wiring device for detecting polarity of current transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105572430A true CN105572430A (en) | 2016-05-11 |
| CN105572430B CN105572430B (en) | 2018-09-28 |
Family
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810331587.2A Expired - Fee Related CN108646133B (en) | 2016-01-18 | 2016-01-18 | Manufacturing method of wiring device for detecting polarity of current transformer |
| CN201610029187.7A Active CN105572430B (en) | 2016-01-18 | 2016-01-18 | A kind of current transformer Check up polarity termination and preparation method thereof |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810331587.2A Expired - Fee Related CN108646133B (en) | 2016-01-18 | 2016-01-18 | Manufacturing method of wiring device for detecting polarity of current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN108646133B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970345A (en) * | 2017-04-07 | 2017-07-21 | 国网浙江乐清市供电公司 | Portable type current transformer secondary connection polarity test device |
| WO2020038179A1 (en) * | 2018-08-24 | 2020-02-27 | 宁波舜宇光电信息有限公司 | Circuit board assembly and semi-finished product thereof, flood light, photographing module and application thereof |
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| 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 |
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2016
- 2016-01-18 CN CN201810331587.2A patent/CN108646133B/en not_active Expired - Fee Related
- 2016-01-18 CN CN201610029187.7A patent/CN105572430B/en active Active
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| 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 |
| CN102778666A (en) * | 2012-06-11 | 2012-11-14 | 湖北省电力公司武汉供电公司电能计量中心 | Wire connector for rapid verification of intelligent electric meter |
| 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 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970345A (en) * | 2017-04-07 | 2017-07-21 | 国网浙江乐清市供电公司 | Portable type current transformer secondary connection polarity test device |
| WO2020038179A1 (en) * | 2018-08-24 | 2020-02-27 | 宁波舜宇光电信息有限公司 | Circuit board assembly and semi-finished product thereof, flood light, photographing module and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105572430B (en) | 2018-09-28 |
| CN108646133B (en) | 2020-05-12 |
| CN108646133A (en) | 2018-10-12 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20180808 Address after: 344000 Chongren County Industrial Park, Fuzhou, Jiangxi Applicant after: Jiangxi Gandian Electric Co., Ltd. Address before: 262700 Shouguang City, Shouguang City, Shandong Province, Guangming Road, San you, Weifang, Shouguang City. Applicant before: Xin Xinghua |
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