CN204832412U - Novel combined instrument transformer polarity test appearance - Google Patents

Novel combined instrument transformer polarity test appearance Download PDF

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Publication number
CN204832412U
CN204832412U CN201520594232.4U CN201520594232U CN204832412U CN 204832412 U CN204832412 U CN 204832412U CN 201520594232 U CN201520594232 U CN 201520594232U CN 204832412 U CN204832412 U CN 204832412U
Authority
CN
China
Prior art keywords
interface
reometer
pilot lamp
secondary side
side interface
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.)
Expired - Fee Related
Application number
CN201520594232.4U
Other languages
Chinese (zh)
Inventor
杨雷鹏
于洋
魏汝东
王毅
王屹
王会诚
尹相国
张囝
张东升
孙海英
靳凤岐
王立江
刘毅
龙跃
于杰
梅永超
窦志强
邱晨
王慧丽
叶亮
王前
傅乐
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Zibo Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Zibo Power Supply Co of State Grid Shandong Electric Power Co Ltd
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.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Zibo Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201520594232.4U priority Critical patent/CN204832412U/en
Application granted granted Critical
Publication of CN204832412U publication Critical patent/CN204832412U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a novel combined instrument transformer polarity test appearance belongs to mutual -inductor testing arrangement field, including panel and shell, the panel mounting is on the shell, be equipped with the side joint mouth on the panel one time, the secondary side interface, the ampere meter interface, pilot lamp A, pilot lamp B, select switch, test switch and some touch switch, be equipped with the battery in the shell, the positive pole and the negative pole of battery are connected to two side joint mouths through select switch with some touch switch respectively, select switch's an output loops through pilot lamp A and protection ohmic connection to side joint mouth, another output of select switch lug connection is to a side joint mouth, the positive pole of battery loops through test switch, a pilot lamp B and protection ohmic connection to a secondary side interface, whether can detect the wiring at any time successful, and but whether the measuring current table connects the reverse side, the efficiency of detect is greatly improved.

Description

Novel composite mutual inductor polarity tester
Technical field
The utility model provides a kind of Novel composite mutual inductor polarity tester, belongs to mutual inductor measuring electricity testing device field.
Background technology
In electric system, the polarity test of current transformer is extremely important.It is the basic premise ensureing protective relaying device correct operation and accurate measurement, at present, carrys out the polarity of measuring current mutual inductor during conventional method with 2 pieces of dry cells and 1 indicator type current meter.
Operation field, after mutual inductor is contained in metering cabinet usually, and before electric energy meter and terminal box be contained in metering cabinet, when measuring current mutual inductor polarity, one people is at the primary side of high-voltage mutual inductor, dry cell is utilized to be connected the inlet wire of current transformer and the limit phase of leading-out terminal or voltage transformer (VT) and middle phase with wire, then carry out switching operation, with the yawing moment that multimeter pointer is observed into and out of line in corresponding Current Transformer Secondary side in pointer multimeter aligning terminal box, another people judges that whether wiring polarity is correct simultaneously.Because combined instrument transformer one secondary coil is all sealed in the metal shell of ground connection, contact distance shell 20cm distance, existing transformer test instrument primary connection is difficult to be deep into mutual inductor contact, the contact of tester is added an extension lead and stretches into a contact by usual needs 2 to 3 people, but we cannot judge whether reliable contacts, in addition, mutual inductor secondary terminals S1, S2 is connected to table tail terminal box K1, K2 secondary wiring, usually a terminal block or switch can be added, broken string situation may be there is, also likely occur that S1 receives K2, S2 receives the situation of K1, in the process of test mutual inductor polarity, when after connection primary side power supply, if the ammeter pointer being connected to table tail does not deflect, because combined instrument transformer contact is bad when we cannot judge, or because the contact before metering cabinet does not connect, or breaking appears in the wire between mutual inductor secondary side and electric energy meter, existing polarity test instrument can not effectively solve the problem, we progressively can only be investigated by multimeter and ask trouble spot.
Utility model content
Whether the utility model object is to provide a kind of Novel composite mutual inductor polarity tester, can detect wiring whether success at any time, and can detect reometer and connect instead, improves detection efficiency greatly.
Novel composite mutual inductor polarity tester described in the utility model, comprise panel and shell, erecting of panel is on shell, panel is provided with primary side interface, secondary side interface, reometer interface, pilot lamp A, pilot lamp B, selector switch, Test Switchboard and point-touch switch, battery is provided with in shell, the positive pole of battery and negative pole are connected to two primary side interfaces respectively by selector switch and point-touch switch, an output terminal of selector switch is connected to a primary side interface by pilot lamp A and protective resistance successively, another output terminal of selector switch is directly connected to a primary side interface, the positive pole of battery passes through Test Switchboard successively, pilot lamp B and protective resistance are connected to a secondary side interface, battery cathode is directly connected to another secondary side interface, two secondary side interfaces are connected respectively to two reometer interfaces, primary side interface, secondary side interface and reometer interface are by connecting line and Devices to test primary side, secondary side and ammeter connect.
Described Novel composite mutual inductor polarity tester, after being connected with needing the joint of the current transformer measured, the two-way of selector switch exports corresponding test gear and operation range respectively, when selector switch pushes test shelves, namely the input end of selector switch is connected with the output terminal being connected pilot lamp A, when action personnel press point-touch switch, if pilot lamp A does not work, represent primary side wiring and do not connect, if pilot lamp lights, represent wiring success, in secondary side, can judge with same principle whether secondary side wiring connects by closed Test Switchboard, reometer interface is connected to after on the reometer on measuring screen, can judge that whether ammeter wiring direction is correct by closed Test Switchboard equally, if the display of wiring correct reometer on the occasion of, if reversal connection reometer display negative value, judge wiring whether success and ammeter wiring whether correct after, selector switch can be adjusted on work shelves, namely battery and primary side contact are directly connected, by pressing point-touch switch, and whether the wiring watching the beat of pointer walking direction current transformer of reometer is correct, the simple cost of whole device structure is low, and any problem that can occur in testing process, do not need to investigate one by one, improve detection efficiency greatly.
Described Novel composite mutual inductor polarity tester, panel is provided with reometer, and reometer is milliampere level reometer, and reometer interface is connected to the interface on reometer.Can on panel integrated current table, shortened the length of wire, directly can use the reometer on panel, made observed data also convenient.
Described Novel composite mutual inductor polarity tester, primary side interface, connecting line between secondary side interface and Devices to test comprise wire, wire one end is provided with connection plug, the wire other end is provided with special joint, special joint comprises insulation course, insulation course one end is provided with conductive head, and the insulation course other end is connected with handle by shading ring, and the core of wire is connected to copper conductive head through handle, separation layer and insulation course.When testing, conductive head made of copper is contacted with the contact of mutual inductor, other positions are insulation, improve security, install shading ring additional simultaneously and isolate, effectively can ensure the personal safety of staff between handle and insulation course.
The utility model compared with prior art beneficial effect is:
Described Novel composite mutual inductor polarity tester, after being connected with needing the joint of the current transformer measured, the two-way of selector switch exports corresponding test gear and operation range respectively, when selector switch pushes test shelves, namely the input end of selector switch is connected with the output terminal being connected pilot lamp A, when action personnel press point-touch switch, if pilot lamp A does not work, represent primary side wiring and do not connect, if pilot lamp lights, represent wiring success, in secondary side, can judge with same principle whether secondary side wiring connects by closed Test Switchboard, reometer interface is connected to after on the reometer on measuring screen, can judge that whether ammeter wiring direction is correct by closed Test Switchboard equally, if the display of wiring correct reometer on the occasion of, if reversal connection reometer display negative value, judge wiring whether success and ammeter wiring whether correct after, selector switch can be adjusted on work shelves, namely battery and primary side contact are directly connected, by pressing point-touch switch, and whether the wiring watching the beat of pointer walking direction current transformer of reometer is correct, the simple cost of whole device structure is low, and any problem that can occur in testing process, do not need to investigate one by one, improve detection efficiency greatly.
Accompanying drawing explanation
Fig. 1 is panel construction schematic diagram;
Fig. 2 is the utility model electrical schematic diagram;
Fig. 3 is connecting wire structure schematic diagram.
In figure: 1, panel; 2, primary side interface; 3, secondary side interface; 4, reometer interface; 5, pilot lamp A; 6, pilot lamp B; 7, selector switch; 8, Test Switchboard; 9, point-touch switch; 10, battery; 11, connection plug; 12, insulation course; 13, conductive head; 14, shading ring; 15, handle; 16, Devices to test; 17, wire.
Embodiment
Below in conjunction with the utility model, the utility model embodiment is described further:
Embodiment 1: as Fig. 1 and shown, Novel composite mutual inductor polarity tester described in the utility model, comprise panel 1 and shell, panel 1 is arranged on shell, panel 1 is provided with primary side interface 2, secondary side interface 3, reometer interface 4, pilot lamp A5, pilot lamp B6, selector switch 7, Test Switchboard 8 and point-touch switch 9, battery 10 is provided with in shell, the positive pole of battery 10 and negative pole are connected to two primary side interfaces 2 respectively by selector switch 7 and point-touch switch 9, an output terminal of selector switch 7 is connected to a primary side interface 2 by pilot lamp A5 and protective resistance successively, another output terminal of selector switch 7 is directly connected to a primary side interface 2, the positive pole of battery 10 is successively by Test Switchboard 8, pilot lamp B6 and protective resistance are connected to a secondary side interface 3, battery 10 negative pole is directly connected to another secondary side interface 3, two secondary side interfaces 3 are connected respectively to two reometer interfaces 4, primary side interface 2, secondary side interface 3 and reometer interface 4 are by connecting line and Devices to test 16 primary side, secondary side and ammeter connect.
Embodiment 2: on the architecture basics described in embodiment 1, panel 1 is provided with reometer, and reometer is milliampere level reometer, and reometer interface is connected to the interface on reometer.
Embodiment 3: on the architecture basics described in embodiment 2, as shown in Figure 3, primary side interface 2, connecting line between secondary side interface 3 and Devices to test 16 comprise wire 17, wire 17 one end is provided with connection plug 11, wire 17 other end is provided with special joint, special joint comprises insulation course 12, insulation course 12 one end is provided with conductive head 13, insulation course 12 other end is connected with handle 15 by shading ring 14, and the core of wire 17 is connected to copper conductive head 13 through handle 15, shading ring 14 and insulation course 12.

Claims (3)

1. a Novel composite mutual inductor polarity tester, comprise panel (1) and shell, panel (1) is arranged on shell, it is characterized in that, panel (1) is provided with primary side interface (2), secondary side interface (3), reometer interface (4), pilot lamp A (5), pilot lamp B (6), selector switch (7), Test Switchboard (8) and point-touch switch (9), battery (10) is provided with in shell, the positive pole of battery (10) and negative pole are connected to two primary side interfaces (2) respectively by selector switch (7) and point-touch switch (9), an output terminal of selector switch (7) is connected to a primary side interface (2) by pilot lamp A (5) and protective resistance successively, selector switch (7) another output terminal is directly connected to a primary side interface (2), the positive pole of battery (10) is successively by Test Switchboard (8), pilot lamp B (6) and protective resistance are connected to a secondary side interface (3), battery (10) negative pole is directly connected to another secondary side interface (3), two secondary side interfaces (3) are connected respectively to two reometer interfaces (4), primary side interface (2), secondary side interface (3) and reometer interface (4) are by connecting line and Devices to test (16) primary side, secondary side and ammeter connect.
2. Novel composite mutual inductor polarity tester according to claim 1, is characterized in that, panel (1) is provided with reometer, and reometer is milliampere level reometer, and reometer interface (4) is connected to the interface on reometer.
3. Novel composite mutual inductor polarity tester according to claim 1, it is characterized in that, primary side interface (2), connecting line between secondary side interface (3) and Devices to test (16) comprises wire (17), wire (17) one end is provided with connection plug (11), wire (17) other end is provided with special joint, special joint comprises insulation course (12), insulation course (12) one end is provided with conductive head (13), insulation course (12) other end is connected with handle (15) by shading ring (14), the core of wire (17) is through handle (15), separation layer and insulation course (12) are connected to copper conductive head (13).
CN201520594232.4U 2015-08-07 2015-08-07 Novel combined instrument transformer polarity test appearance Expired - Fee Related CN204832412U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520594232.4U CN204832412U (en) 2015-08-07 2015-08-07 Novel combined instrument transformer polarity test appearance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520594232.4U CN204832412U (en) 2015-08-07 2015-08-07 Novel combined instrument transformer polarity test appearance

Publications (1)

Publication Number Publication Date
CN204832412U true CN204832412U (en) 2015-12-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520594232.4U Expired - Fee Related CN204832412U (en) 2015-08-07 2015-08-07 Novel combined instrument transformer polarity test appearance

Country Status (1)

Country Link
CN (1) CN204832412U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105182173A (en) * 2015-08-07 2015-12-23 国网山东省电力公司淄博供电公司 Novel combined-type mutual inductor polarity tester
CN109001586A (en) * 2016-01-18 2018-12-14 辛兴华 A kind of current transformer polarity detection method
CN109342886A (en) * 2018-11-16 2019-02-15 中车唐山机车车辆有限公司 Cable connection test device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105182173A (en) * 2015-08-07 2015-12-23 国网山东省电力公司淄博供电公司 Novel combined-type mutual inductor polarity tester
CN109001586A (en) * 2016-01-18 2018-12-14 辛兴华 A kind of current transformer polarity detection method
CN109001586B (en) * 2016-01-18 2020-07-17 无锡市埃克威电气有限公司 Polarity detection method for current transformer
CN109342886A (en) * 2018-11-16 2019-02-15 中车唐山机车车辆有限公司 Cable connection test device

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151202

Termination date: 20180807