CN105572430B - A kind of current transformer Check up polarity termination and preparation method thereof - Google Patents
A kind of current transformer Check up polarity termination and preparation method thereof Download PDFInfo
- Publication number
- CN105572430B CN105572430B CN201610029187.7A CN201610029187A CN105572430B CN 105572430 B CN105572430 B CN 105572430B CN 201610029187 A CN201610029187 A CN 201610029187A CN 105572430 B CN105572430 B CN 105572430B
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- China
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- matrix
- adjusting block
- diaphragm capsule
- mold core
- termination
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Classifications
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- 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
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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 kind of current transformer Check up polarity terminations and preparation method thereof, termination of the present invention includes matrix and multiple Wiring modules for being arranged on matrix, Wiring module includes two terminal slots being arranged on matrix and the adjusting block being plugged on matrix, one end of adjusting block uses conductive material, the other end of adjusting block uses insulating materials, and a conductive sheet is respectively provided on the two sides of the insulating end of adjusting block.Production method of the present invention is used closes formed substrates using closed die.The present invention does not need secondary winding terminal wiring repeatedly using special termination, and switch speed is fast, to be avoided that Current Transformer Secondary winding open circuit.The production method of termination of the present invention makes matrix using special method, and matrix after injection molding is convenient in demoulding so that matrix production efficiency is high.
Description
Technical field
The present invention relates to a kind of current transformer Check up polarity termination, more particularly to a kind of current transformer polarity
Detection termination and preparation method thereof.
Background technology
China Patent No. 201210422230.8 discloses a kind of current transformer characteristic test secondary wiring device, passes through
Double-point double-throw switch one end is connect with connecting terminal, and the other end can be placed in testing terminal or short-circuited terminal, connecting terminal and electric current
The conducting wire of the extraction of the secondary windings of mutual inductor connects, short-circuited terminal ground connection, realizes not needing wiring and can be completed and " connects and survey
Switching of the examination " between " short circuit grounding " two states.
Such test device before testing, is needed to connect double-pole double throw on the secondary coil of tested current transformer and be opened
It closes, and it also requires group device short-circuited terminal and testing terminal.It operates loaded down with trivial details.
Invention content
The technical problem to be solved by the present invention is to：A kind of simple current transformer Check up polarity of patching operations is provided with connecing
Line apparatus also provides a kind of production method of aforementioned termination.
In order to solve the above-mentioned technical problem, the present invention includes matrix and multiple Wiring modules for being arranged on matrix, matrix
Using insulating materials, Wiring module includes two terminal slots being arranged on matrix and the adjusting block being plugged on matrix, is adjusted
One end of locking nub uses conductive material, and the other end of adjusting block uses insulating materials, each on the two sides of the insulating end of adjusting block
If there are one conductive sheet, two conductive sheets mutually insulate, and two conductive sheets are connected separately with conducting wire, and conducting wire one end is located at adjusting block
In insulating end, the other end of conducting wire is drawn from the end face of adjusting block insulating end, after plugging terminal in two terminal slots, is adjusted
Locking nub is in the adjustment process of position, and there are two conductive sheet, the state with two termination contacts, adjusting block also have adjusting block tool respectively
There is the state of conducting end and two termination contacts.
In order to which inserting terminal is convenient, the Wiring module has 3-6, and all Wiring modules are arranged in linear type, each
Two terminal slots of Wiring module and the slot of adjusting block are arranged in I-shaped.So that terminal slots are than adjusting block slot
Width, adjusting block can be stuck in terminal slots, and when adjusting block slides, terminal is not easily to fall off.
In order to further prevent terminal removal, the slot of the adjusting block to penetrate through matrix, terminal slots do not penetrate through matrix,
The notch of all terminal slots is in the same side of matrix.
The production method of current transformer Check up polarity termination of the present invention, it is characterised in that：Include the following steps：
（1）Injection molding matrix：Using closed die, mold include upper diaphragm capsule and with lower diaphragm capsule, upper diaphragm capsule and lower diaphragm capsule molding after
An enclosed box body is formed, the bottom of lower diaphragm capsule is provided with I-shaped lower mold core identical with the Wiring module quantity of matrix, on
Quantity "-" type upper mold core identical with lower mold core quantity is provided on diaphragm capsule, upper diaphragm capsule is equipped with injecting hole and air hole, first
Upper diaphragm capsule and lower diaphragm capsule are molded, upper mold core is corresponded with lower mold core, and upper mold core is withstood on the intermediate beam of lower mold core, from injection molding
Fluid plastic is injected in hole, molds the matrix of the slot with terminal slots and adjusting block；（2）Make adjusting block；（3）By adjusting block
It is installed on matrix.
In order to improve the quality of matrix, the injecting hole and air hole are on the top plate of diaphragm capsule, the injection molding
Hole number is identical as upper mold core quantity, and each upper mold core faces an injecting hole, and the corresponding injecting hole of adjacent upper mold core is located at
The both sides of upper mold core, there are two the air holes, two ventilative be divided to two of the top plate for being in diaphragm capsule diagonally on.
The beneficial effects of the invention are as follows：The present invention uses special termination, and a termination can connect multiple
Secondary winding, by adjust adjusting block position switch secondary winding short-circuit condition and with the connection status of ammeter, be not required to
Secondary winding terminal wiring repeatedly is wanted, and switch speed is fast, to be avoided that Current Transformer Secondary winding open circuit.The present invention
The production method of termination makes matrix using special method, and matrix after injection molding is convenient in demoulding so that matrix is given birth to
It produces efficient.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the A-A cut-away views of Fig. 1；
Fig. 3 is the B-B cut-away views of Fig. 2；
Fig. 4 is the structural representation enlarged drawing of part 4；
Fig. 5 is the dimensional structure diagram of lower diaphragm capsule（Cut open a side wall）；
Fig. 6 is the dimensional structure diagram of upper diaphragm capsule（Rear state is spun upside down, and cuts open a side wall）.
In figure：1, ammeter, 2, matrix, 3, terminal slots, 4, adjusting block, 5, conducting wire, 6, lower diaphragm capsule, 7, lower mold core, 8,
Upper diaphragm capsule, 9, injecting hole, 10, upper mold core, 11, air hole.4-1, conducting end, 4-2, insulating end, 4-3, conductive sheet.
Specific implementation mode
A kind of current transformer Check up polarity termination as shown in Figure 1, Figure 2 and Figure 3, termination includes matrix
2 and multiple Wiring modules for being arranged on matrix 2, matrix 2 use insulating materials, Wiring module includes being arranged on matrix 2
Two terminal slots 3 and the adjusting block 4 being plugged on matrix 2 are adjusted as shown in figure 4, one end of adjusting block 4 uses conductive material
The other end of locking nub 4 uses insulating materials, forms conducting end 4-1 and insulating end 4-2, the two sides of the insulating end 4-2 of adjusting block 4
On be respectively provided with a conductive sheet 4-3, two conductive sheet 4-3 phases insulate, and respectively there are one conducting wire 5, conducting wires for connection by two conductive sheet 4-3
5 one end are located in the insulating end of adjusting block 4, and the other end of conducting wire 5 is drawn from the end face of the insulating end of adjusting block 4, when two ends
After plugging terminal in sub- slot 3, adjusting block 4 is in the adjustment process of position, and there are two conductive sheet 4-3 respectively with two for adjusting block tool
The state of a termination contact, the also state with conducting end 4-1 and two termination contacts of adjusting block 4.
Wiring module has 4, and all Wiring modules are arranged in linear type, two 3 Hes of terminal slots of each Wiring module
The slot of adjusting block 4 is arranged in I-shaped.The slot of adjusting block 4 penetrates through matrix 2, and terminal slots 3 do not penetrate through matrix, all ends
The notch of sub- slot 3 is in the same side of matrix 2.
The production method of above-mentioned current transformer Check up polarity termination, includes the following steps：（1）Injection molding base
Body 2：Using closed die, as shown in Figure 5 and Figure 6, mold include upper diaphragm capsule 8 and with lower diaphragm capsule 6, upper diaphragm capsule 8 and lower diaphragm capsule 6
Form an enclosed box body after molding, the bottom of lower diaphragm capsule 6 be provided with it is identical with the Wiring module quantity of matrix 2 it is I-shaped under
Mold core 7, quantity "-" type upper mold core 10 identical with the quantity of lower mold core 7 is provided on upper diaphragm capsule 8, and upper diaphragm capsule 8 is equipped with note
Mole 9 and air hole 11 first mold upper diaphragm capsule 8 and lower diaphragm capsule 6, and upper mold core 10 is corresponded with lower mold core 7, and upper mold core 10 is pushed up
On the intermediate beam of lower mold core 7, fluid plastic is injected from injecting hole 9, molds the base of the slot with terminal slots and adjusting block
Body 2；（2）Make adjusting block 4；（3）Adjusting block 4 is installed on matrix 2.
This termination will coordinate ammeter and power supply to use when making Check up polarity, and Check up polarity includes the following steps,
（1）The conductive one end of all adjusting blocks 4 is adjusted to the position with two 3 faces of terminal slots, by two of each adjusting block 4
Conducting wire 5 is connected on ammeter 1；（2）Two connecting terminals of the secondary winding of each current transformer to be detected are inserted respectively
Enter into the two-terminal slot 3 of a Wiring module, makes the secondary winding short circuit of all current transformers；（3）Detection, by one
The corresponding adjusting block 4 of current transformer to be detected is adjusted to two conductive sheet 4-3 respectively with two 3 faces of terminal slots, makes this
The secondary winding turn-on current table of current transformer（Remove short-circuit condition）, then by the primary winding of the current transformer and electricity
Source is connected and moment disconnects, while observing ammeter；（4）Judge current transformer according to the rotary state of the pointer of ammeter
The polarity of secondary winding；（5）Adjusting the position of adjusting block keeps the secondary winding surveyed short-circuit, repeats step（3）With（4）Under detection
One current transformer；（6）Repeat step（5）Until having detected all current transformers.
Claims (2)
1. a kind of current transformer Check up polarity termination, it is characterised in that：Including matrix and it is arranged on matrix more
A Wiring module, matrix use insulating materials, Wiring module to include two terminal slots being arranged on matrix and be plugged on base
One end of adjusting block on body, adjusting block uses conductive material, the other end of adjusting block to use insulating materials, the insulation of adjusting block
A conductive sheet is respectively provided on the two sides at end, two conductive sheets mutually insulate, and two conductive sheets are connected separately with conducting wire, conducting wire one
End is located in the insulating end of adjusting block, and the other end of conducting wire is drawn from the end face of adjusting block insulating end, when in two terminal slots
After plugging terminal, adjusting block in the adjustment process of position, adjusting block tool there are two conductive sheet respectively with two termination contacts
State, the adjusting block also state with conducting end and two termination contacts, two terminal slots of each Wiring module and adjusting
The slot of block is arranged in I-shaped, and the slot of adjusting block penetrates through matrix, and terminal slots do not penetrate through matrix, all terminal slots
Notch is in the same side of matrix.
2. a kind of production method of current transformer Check up polarity termination as described in claim 1, it is characterised in that：
Include the following steps：（1）Injection molding matrix：Using closed die, mold include upper diaphragm capsule and with lower diaphragm capsule, upper diaphragm capsule and
An enclosed box body is formed after lower diaphragm capsule molding, the bottom of lower diaphragm capsule is provided with I-shaped identical with the Wiring module quantity of matrix
Type lower mold core, quantity "-" type upper mold core identical with lower mold core quantity is provided on upper diaphragm capsule, and upper diaphragm capsule is equipped with injecting hole
And air hole, first upper diaphragm capsule and lower diaphragm capsule are molded, upper mold core is corresponded with lower mold core, and upper mold core withstands on the centre of lower mold core
Liang Shang injects fluid plastic from injecting hole, molds the matrix of the slot with terminal slots and adjusting block；（2）Make adjusting block；
（3）Adjusting block is installed on matrix.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810331587.2A CN108646133B (en) | 2016-01-18 | 2016-01-18 | Manufacturing method of wiring device for detecting polarity of current transformer |
| CN201610029187.7A CN105572430B (en) | 2016-01-18 | 2016-01-18 | A kind of current transformer Check up polarity termination and preparation method thereof |
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 CN105572430A (en) | 2016-05-11 |
| CN105572430B true CN105572430B (en) | 2018-09-28 |
Family
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610029187.7A Active CN105572430B (en) | 2016-01-18 | 2016-01-18 | A kind of current transformer Check up polarity termination and preparation method thereof |
| CN201810331587.2A Expired - Fee Related CN108646133B (en) | 2016-01-18 | 2016-01-18 | Manufacturing method of wiring device for detecting polarity of current transformer |
Family Applications After (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) | CN105572430B (en) |
Families Citing this family (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 |
| EP3840546A4 (en) * | 2018-08-24 | 2021-10-06 | Ningbo Sunny Opotech Co., Ltd. | 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 | Quick wiring device and test 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 |
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| DE3048295A1 (en) * | 1980-12-20 | 1982-07-08 | Erno Raumfahrttechnik Gmbh, 2800 Bremen | Connection device for automatic electrical test facility - has contact control element activated by cable proximity detector |
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| CN201804071U (en) * | 2010-08-20 | 2011-04-20 | 嵩县电业局 | Polarity tester for current transformer |
| CN203011948U (en) * | 2012-10-30 | 2013-06-19 | 武汉华源电力工程有限责任公司 | Current transformer characteristic test secondary connection device |
| CN103278790B (en) * | 2012-11-29 | 2016-12-28 | 杭州凯达电力建设有限公司 | A kind of current transformer ratio polarity high speed tester and method of testing |
| CN103259141B (en) * | 2013-03-30 | 2015-09-23 | 宁波硕达电子科技有限公司 | Connector of a kind of tool switch change-over formula structure and preparation method thereof |
| CN203232060U (en) * | 2013-04-27 | 2013-10-09 | 国家电网公司 | Insulation rod test wire connector |
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| CN103472357B (en) * | 2013-08-23 | 2016-03-23 | 国家电网公司 | A kind of current transformer device for detecting polarity |
| JP6270618B2 (en) * | 2014-05-14 | 2018-01-31 | 三菱電機株式会社 | Connection conductor unit |
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2016
- 2016-01-18 CN CN201610029187.7A patent/CN105572430B/en active Active
- 2016-01-18 CN CN201810331587.2A patent/CN108646133B/en not_active Expired - Fee Related
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| CN202562967U (en) * | 2012-05-15 | 2012-11-28 | 珠海格力电器股份有限公司 | Quick wiring device and test 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 |
| 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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Also Published As
| Publication number | Publication date |
|---|---|
| CN105572430A (en) | 2016-05-11 |
| CN108646133B (en) | 2020-05-12 |
| CN108646133A (en) | 2018-10-12 |
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| C10 | Entry into substantive examination | ||
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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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