CN203117360U - Current transformer polar tester - Google Patents
Current transformer polar tester Download PDFInfo
- Publication number
- CN203117360U CN203117360U CN 201320159100 CN201320159100U CN203117360U CN 203117360 U CN203117360 U CN 203117360U CN 201320159100 CN201320159100 CN 201320159100 CN 201320159100 U CN201320159100 U CN 201320159100U CN 203117360 U CN203117360 U CN 203117360U
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- secondary circuit
- polarity
- indicator light
- primary circuit
- terminal
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Abstract
本实用新型涉及一种电流互感器极性测试仪，属于供电测试设备技术领域。技术方案是：包含一次回路接线端子（1）、二次回路接线端子（2）、试验按钮（3）、电池（4）、二次回路极性指示灯一（5）和二次回路极性指示灯二（6），所述一次回路接线端子与外部一次回路单元互相连接，二次回路接线端子与外部二次回路单元互相连接，电池通过试验按钮与一次回路接线端子互相连接，二次回路极性指示灯一、二次回路极性指示灯二与二次回路接线端子依次连接。本实用新型的有益效果是：携带、使用方便，使用廉价的发光二极管代替指针表，降低了成本，且不易损坏，外部接线简单，避免了传统方法中可能出现的接线错误问题，提高了工作效率。
The utility model relates to a current transformer polarity tester, which belongs to the technical field of power supply test equipment. The technical solution is: including primary circuit terminal (1), secondary circuit terminal (2), test button (3), battery (4), secondary circuit polarity indicator light one (5) and secondary circuit polarity Indicator light two (6), the primary circuit terminal is connected to the external primary circuit unit, the secondary circuit terminal is connected to the external secondary circuit unit, the battery is connected to the primary circuit terminal through the test button, and the secondary circuit The polarity indicator light 1 and the secondary circuit polarity indicator light 2 are connected to the secondary circuit terminal in sequence. The beneficial effects of the utility model are: easy to carry and use, use cheap light-emitting diodes to replace the pointer table, reduce the cost, not easy to damage, simple external wiring, avoid the problem of wiring errors that may occur in the traditional method, and improve work efficiency .
Description
Technical field
The utility model relates to a kind of current transformer polarity tester, belongs to power supply testing apparatus technical field.
Background technology
At present, known current transformer polarity test method is that test contact, battery (or power supply), pointer gauge are combined.Test contact and current transformer are once reached secondary partly to be connected, battery (or power supply) is once partly producing electric current, Current Transformer Secondary partly produces induction current and flows through pointer gauge, and the pointer of pointer gauge is offset towards different directions, judges positive polarity or negative polarity thus.But the fault of indicator damage in use takes place to make because electric current is excessive in pointer gauge easily, causes device damage; Secondly, one of present using method is that each part in the method for testing is carried respectively, makes up at the scene, is easy to generate the problem of wrong line, and the wrong single line will make test result opposite fully.
The utility model content
The utility model purpose provides a kind of current transformer polarity tester, by adopting winding polarity test loop and light emitting diode indication polarity, portably uses conveniently, and not fragile, solve the problems referred to above that exist in the background technology.
The technical solution of the utility model is: a kind of current transformer polarity tester, comprise the primary circuit connection terminal, the secondary circuit connection terminal, test button, battery, secondary circuit polarity pilot lamp one and secondary circuit polarity pilot lamp two, described primary circuit connection terminal and unit, outside primary circuit are connected to each other, secondary circuit connection terminal and outside secondary circuit unit are connected to each other, battery is connected to each other by test button and primary circuit connection terminal, secondary circuit polarity pilot lamp one, secondary circuit polarity pilot lamp two is connected successively with the secondary circuit connection terminal.
Also comprise the primary circuit and be communicated with pilot lamp, described primary circuit is communicated with pilot lamp and primary circuit connection terminal series connection.
Described primary circuit connection terminal has four, is respectively a polarity terminal and three nonpolar terminals.
Described secondary circuit connection terminal has two.
Described primary circuit is communicated with pilot lamp, secondary circuit polarity pilot lamp first and second loop polarity pilot lamp two is light emitting diode.
The beneficial effects of the utility model are: carry, easy to use, use cheap light emitting diode to replace pointer gauge, reduced cost, and it is not fragile, external cabling is simple, has avoided the wiring error problem that may occur in the classic method, has improved work efficiency.
Description of drawings
Fig. 1 is primary circuit of the present utility model basic circuit diagram;
Fig. 2 is secondary circuit basic circuit diagram of the present utility model;
Fig. 3 is surface arrangement figure of the present utility model;
Among the figure: primary circuit connection terminal 1, secondary circuit connection terminal 2, test button 3, battery 4, secondary circuit polarity pilot lamp 1, secondary circuit polarity pilot lamp 26, primary circuit are communicated with pilot lamp 7.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail by embodiment.
A kind of current transformer polarity tester, comprise primary circuit connection terminal 1, secondary circuit connection terminal 2, test button 3, battery 4, secondary circuit polarity pilot lamp 1 and secondary circuit polarity pilot lamp 26, described primary circuit connection terminal 1 is connected to each other with unit, outside primary circuit, secondary circuit connection terminal 2 is connected to each other with outside secondary circuit unit, battery 4 is connected to each other by test button 3 and primary circuit connection terminal 1, and secondary circuit polarity pilot lamp 1, secondary circuit polarity pilot lamp 26 are connected successively with the secondary circuit connection terminal.After wiring is finished, press test button 3, battery 4 is connected with the primary circuit, by the current transformer induced inside, make secondary circuit produce electric current and two secondary circuit polarity pilot lamp of the indication polarity of flowing through, secondary circuit polarity pilot lamp 1 and secondary circuit polarity pilot lamp 26 were by both definite sequence was luminous, and the indication secondary circuit is positive polarity wiring or reversed polarity wiring, reaches the purpose of measuring current mutual inductor polarity.
Also comprise the primary circuit and be communicated with pilot lamp 7, described primary circuit is communicated with pilot lamp 7 and primary circuit connection terminal 1 series connection, after wiring is finished, press test button 3, if connect good with the current transformer primary side, it is bright that then the primary circuit is communicated with pilot lamp 7, judges that whether the primary circuit contact is good more convenient quick, improved work efficiency.
Described primary circuit connection terminal has four, is respectively a polarity terminal and three nonpolar terminals, and wherein terminals P 1 is polar end, and the selection of terminals P 2, P3, P4 is determined by the no-load voltage ratio of cell voltage and current transformer.
Described secondary circuit connection terminal has two, wherein terminal S1 is polar end, terminal S2 is non-polar end, after pressing test button 3, then be judged as positive polarity as if lighting with the order of secondary circuit polarity pilot lamp 1, secondary circuit polarity pilot lamp 26, light with the order of secondary circuit polarity pilot lamp 26, secondary circuit polarity pilot lamp 1 and then be judged as reversed polarity.
Described primary circuit connection pilot lamp 7, secondary circuit polarity pilot lamp 1, secondary circuit polarity pilot lamp 26 are light emitting diode.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320159100 CN203117360U (en) | 2013-04-02 | 2013-04-02 | Current transformer polar tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320159100 CN203117360U (en) | 2013-04-02 | 2013-04-02 | Current transformer polar tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203117360U true CN203117360U (en) | 2013-08-07 |
Family
ID=48897695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320159100 Expired - Fee Related CN203117360U (en) | 2013-04-02 | 2013-04-02 | Current transformer polar tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203117360U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104749480A (en) * | 2015-03-08 | 2015-07-01 | 国家电网公司 | Whole-set secondary circuit polarity testing device used for relay protection |
| CN104865494A (en) * | 2015-05-06 | 2015-08-26 | 国家电网公司 | Portable current transformer polarity testing device and use method thereof |
| CN108964079A (en) * | 2018-08-07 | 2018-12-07 | 浙江亿德科技有限公司 | The mutual inductor interstar connection configuration method of power quality controlling equipment |
-
2013
- 2013-04-02 CN CN 201320159100 patent/CN203117360U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104749480A (en) * | 2015-03-08 | 2015-07-01 | 国家电网公司 | Whole-set secondary circuit polarity testing device used for relay protection |
| CN104749480B (en) * | 2015-03-08 | 2017-06-30 | 国网山东省电力公司枣庄供电公司 | One kind is used for relay protection secondary circuit whole group polarity test device |
| CN104865494A (en) * | 2015-05-06 | 2015-08-26 | 国家电网公司 | Portable current transformer polarity testing device and use method thereof |
| CN108964079A (en) * | 2018-08-07 | 2018-12-07 | 浙江亿德科技有限公司 | The mutual inductor interstar connection configuration method of power quality controlling equipment |
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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: 20130807 Termination date: 20190402 |