CN108254647B - Lead on-off circuit testing method for 200KHZ high-frequency transformer - Google Patents
Lead on-off circuit testing method for 200KHZ high-frequency transformer Download PDFInfo
- Publication number
- CN108254647B CN108254647B CN201711239528.4A CN201711239528A CN108254647B CN 108254647 B CN108254647 B CN 108254647B CN 201711239528 A CN201711239528 A CN 201711239528A CN 108254647 B CN108254647 B CN 108254647B
- Authority
- CN
- China
- Prior art keywords
- lead
- universal meter
- saturated saline
- frequency transformer
- cups
- 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.)
- Active
Links
Images
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
Abstract
The invention discloses a lead on-off test method for a 200KHZ high-frequency transformer, which relates to the technical field of lead on-off test detection and comprises the following steps: a. 2 cups of saturated saline solution are prepared; b. respectively placing the positive electrode of the universal meter and the negative electrode of the universal meter in two cups of saturated salt solution, turning on a power switch to enable the universal meter to start working, and placing one end of a lead into one cup of saturated salt solution; c. and manually putting the other end of the electric kettle into another cup of saturated salt water step by step, judging the electric kettle to be a closed circuit if a resistance value is displayed on a universal meter, and judging the electric kettle to be an open circuit if no digital display exists.
Description
Technical Field
The invention relates to the technical field of on-off test detection of a lead, in particular to a lead on-off test method for a 200KHZ high-frequency transformer.
Background
With the increase of rated current and the increasing of working frequency of high-power semiconductor devices in actual work, the market demand of wires for 200KHZ high-frequency transformers is larger and larger, the workload of short circuit test between the wire strands of the 200KHZ high-frequency transformers is increased more and more, the existing single-stranded wires are formed by stranding 0.18mm single wires by 200, if the conventional common intertwister short circuit method is complicated, after the insulation of two ends of all enameled wires is removed, the two ends of the enameled wires are firstly conducted by a universal meter to be paired one by one, after the passage is completed, the two ends of the successfully paired single wires are marked by groups, then resistance test is carried out between the adjacent single wires, the adjacent strands are not conducted, the judgment is no short circuit, and the whole test process needs to spend 2 hours of labor and time and labor.
Disclosure of Invention
The invention aims to solve the technical problems that time and labor are consumed when the short circuit between the conducting wire strands for the 200KHZ high-frequency transformer is tested, the defects of the prior art are overcome, and a conducting wire on-off circuit testing method for the 200KHZ high-frequency transformer is provided.
In order to solve the technical problem, the invention provides a method for testing the on-off circuit of a lead for a 200KHZ high-frequency transformer, which comprises the following steps:
a. 2 cups of saturated saline solution are prepared;
b. respectively placing the positive electrode of the universal meter and the negative electrode of the universal meter in two cups of saturated salt solution, turning on a power switch to enable the universal meter to start working, and placing one end of a lead into one cup of saturated salt solution;
c. and manually putting the other end of the electric kettle into another cup of saturated salt water step by step, judging the electric kettle to be a closed circuit if a resistance value is displayed on a universal meter, and judging the electric kettle to be an open circuit if no digital display exists.
The technical scheme of the invention is further defined as follows:
further, the saturated saline solution was prepared by mixing 100 g of water at room temperature with 36.5 g of common salt.
The invention has the beneficial effects that:
(1) according to the invention, two ends of a lead for the 200KHZ high-frequency transformer to be tested are not required to be subjected to insulation removal, two ends of a measuring rod of the universal meter are respectively placed in two cups of saturated salt solution in the testing process, a power switch is turned on to enable the universal meter to start working, one end of the lead is placed in one cup of saturated salt solution, the other end of the lead is manually and sequentially placed into the saturated salt solution in a splitting manner, a resistance value is displayed on the universal meter when the circuit is switched on, and the circuit is determined to be open circuit when no digital display is available.
Drawings
Fig. 1 is a schematic structural diagram of a wire according to the present invention.
Wherein: 1. a universal meter; 2. a positive electrode of a universal meter; 3. a negative electrode of a universal meter; 4. a wire; 5. saturated saline solution.
Detailed Description
The method for testing the on-off of the lead for the 200KHZ high-frequency transformer provided by the embodiment has a structure shown in fig. 1, and comprises the following steps:
a. 2 cups of saturated saline solution 5 are prepared;
b. respectively placing the positive pole 2 and the negative pole 3 of the universal meter in two cups of saturated salt water 5, turning on a power switch to enable the universal meter 1 to start working, and placing one end of the universal meter into one cup of saturated salt water 5;
c. and manually putting the other end of the lead 4 into another cup of saturated saline water 5 in turn in a stranding mode, judging that the current is on if the resistance value is displayed on the universal meter 1, and judging that the current is off if no digital display exists.
Wherein the saturated salt solution 5 is prepared by mixing 100 g of water with 36.5 g of salt at room temperature.
In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention.
Claims (2)
1. A lead on-off circuit testing method for a 200KHZ high-frequency transformer is characterized by comprising the following steps: the method comprises the following steps:
a. 2 cups of saturated saline solution (5) are prepared;
b. respectively placing the positive pole (2) and the negative pole (3) of the universal meter in two cups of saturated saline solution (5), turning on a power switch to enable the universal meter (1) to start working, and placing one end of a lead (4) into one cup of saturated saline solution (5);
c. and manually and sequentially putting the other end of the lead (4) into another cup of saturated saline water (5) in a split manner, judging that the current path is opened if a resistance value is displayed on the universal meter (1), and judging that the current path is opened if no digital display exists.
2. The method for testing the on-off state of the lead wire of the 200KHZ high-frequency transformer according to claim 1, wherein: the saturated saline solution (5) is prepared by mixing 100 g of water with 36.5 g of common salt at room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711239528.4A CN108254647B (en) | 2017-11-30 | 2017-11-30 | Lead on-off circuit testing method for 200KHZ high-frequency transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711239528.4A CN108254647B (en) | 2017-11-30 | 2017-11-30 | Lead on-off circuit testing method for 200KHZ high-frequency transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108254647A CN108254647A (en) | 2018-07-06 |
| CN108254647B true CN108254647B (en) | 2021-01-15 |
Family
ID=62721512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711239528.4A Active CN108254647B (en) | 2017-11-30 | 2017-11-30 | Lead on-off circuit testing method for 200KHZ high-frequency transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108254647B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110749805B (en) * | 2019-09-18 | 2021-01-29 | 浙江大学 | Simulation experiment device, simulation experiment system and simulation experiment method for flashover discharge of submarine cable |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003139794A (en) * | 2001-11-07 | 2003-05-14 | Hioki Ee Corp | Multi-terminal structure for measuring impedance |
| CN204882779U (en) * | 2015-08-06 | 2015-12-16 | 大唐钟祥风电有限公司 | Short -term test circuit switches on device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101650388B (en) * | 2009-09-15 | 2012-10-03 | 国网电力科学研究院武汉南瑞有限责任公司 | Measuring device and method of human body resistance under DC current |
| CN201984904U (en) * | 2011-04-08 | 2011-09-21 | 杭州伟峰电子有限公司 | Wire break warning device of enameled wire stranding machine |
| CN102636723A (en) * | 2012-05-04 | 2012-08-15 | 新疆维吾尔自治区送变电工程公司 | Secondary cable checking method for transformer substation |
| CN104649079B (en) * | 2015-02-02 | 2017-03-29 | 东莞市联洲知识产权运营管理有限公司 | A kind of rolling-up mechanism with enamel-covered wire pinhole detection |
-
2017
- 2017-11-30 CN CN201711239528.4A patent/CN108254647B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003139794A (en) * | 2001-11-07 | 2003-05-14 | Hioki Ee Corp | Multi-terminal structure for measuring impedance |
| CN204882779U (en) * | 2015-08-06 | 2015-12-16 | 大唐钟祥风电有限公司 | Short -term test circuit switches on device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108254647A (en) | 2018-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106646209B (en) | Intelligent testing equipment for high-temperature and low-temperature tripping of charge control circuit breaker | |
| CN108254647B (en) | Lead on-off circuit testing method for 200KHZ high-frequency transformer | |
| CN203895875U (en) | 10kV insulation wire clamp | |
| CN203275522U (en) | Novel breaker loop resistor testing clamp | |
| CN204389540U (en) | The device of a kind of test lead splicing ear row | |
| CN204302441U (en) | High-voltage motor insulated pick-up unit | |
| CN202994856U (en) | General test cable used for transformer test | |
| CN206640097U (en) | Cable cold-pressed joint is with rinsing tin equipment | |
| CN204241608U (en) | A kind of leakage current testing cassete | |
| CN207908618U (en) | A kind of cable insulation detection auxiliary device | |
| CN113589155A (en) | Testing device and method for high-voltage circuit breaker | |
| CN204144552U (en) | Power supply disks Novel joint | |
| CN211627786U (en) | Enameled wire paint damage detection device | |
| CN202126478U (en) | Fast detection device by cable quality contrast | |
| CN206411152U (en) | A kind of Hi-pot Tester automatic switching control equipment | |
| CN204964684U (en) | Transformer for partial discharge test square signal pour into action bars into | |
| CN204008883U (en) | A kind of test fixture of electromagnetic compatibility | |
| CN207636672U (en) | Magnetic ring coil number of turns measuring instrument auxiliary table | |
| CN204535888U (en) | A kind of sensor proof voltage megger test frock | |
| CN203966586U (en) | A kind of little electric current for actual training device connects wire fast | |
| CN204269742U (en) | Restart test unit | |
| CN102749537A (en) | Method for testing performance of trip outlet contact of relay protection device | |
| CN204882626U (en) | Semiconductor component's test centre gripping frock | |
| CN208596206U (en) | A kind of cable insulation detection auxiliary device | |
| CN204761259U (en) | A winding wiring and wiring structure for single -phase asynchronous motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |