CN201203665Y - Magnetic measurement square loop - Google Patents
Magnetic measurement square loop Download PDFInfo
- Publication number
- CN201203665Y CN201203665Y CNU2008200677411U CN200820067741U CN201203665Y CN 201203665 Y CN201203665 Y CN 201203665Y CN U2008200677411 U CNU2008200677411 U CN U2008200677411U CN 200820067741 U CN200820067741 U CN 200820067741U CN 201203665 Y CN201203665 Y CN 201203665Y
- Authority
- CN
- China
- Prior art keywords
- binding post
- winding
- magnetic
- measuring
- straight tube
- 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
Links
Images
Landscapes
- Measuring Magnetic Variables (AREA)
Abstract
The utility model relates to a magnetic measuring square coil, which comprises an installation plate (1) with four straight tubes (2) each of which is wounded to form a square, the inner frame of the cross section of the straight tube is a rectangle, the straight tube (2) is wounded with an initial winding (3) and a secondary winding (4); part of the straight tubes (2) is wounded with a measuring winding (5). A measuring winding is arranged above the magnetic measuring square coil, the number of windings of the measuring winding is set according to the electric steel DC magnetic measuring principle, and the number of windings may be fiftieth of that of the secondary coil, ensuring the reliability of DC magnetic measurement.
Description
Technical field
The utility model relates to and is used to measure siliconized plate magnetic property device, particularly Magnetic Measurement side's circle.
Background technology
Magnetic Measurement side's circle (common name epstein frame) is the standard measuring equipment that is used for siliconized plate AC magnetism performance, it comprises installing plate, installing plate is provided with four and encompasses foursquare straight tube, and the inside casing of straight tube xsect is a rectangle, is wound with just winding and time winding on the straight tube.Its design of (magnetization) winding, inferior (measurement) umber of turn just meets the technical requirement of siliconized plate alternating magnetism measuring principle (voltammetry and wattmeter method) fully, at present international epstein frame is first, inferior umber of turn is equal fully, mainly adopts 700 and 1000 liang of regulation number of turn indexs.
The deficiency that present Magnetic Measurement side's circle exists is:
1, circle important technological parameters in side's is first, the inferior winding coil number of turn is identical, is to set according to electrical sheet alternating magnetism measuring principle, and test function is single.
2, be variation situation in the different measuring interval with the measuring equipment matching, influenced measurement accuracy.
Summary of the invention
Technical problem to be solved in the utility model is: a kind of Magnetic Measurement side circle is provided, and this novel side's circle possesses alternating voltammetry and direct current ballistic method test function simultaneously, and test philosophy is reliable, and measuring process is simple, and test result is accurate, stable.
The utility model solves the problems of the technologies described above the technical scheme that is adopted:
A kind of Magnetic Measurement side circle, it comprises installing plate, and installing plate is provided with four and encompasses foursquare straight tube, and the inside casing of straight tube xsect is a rectangle, is wound with just winding and time winding on the straight tube; Also be wound with the measurement winding on the part straight tube.
In the such scheme, the two ends of first winding are respectively equipped with first binding post, second binding post, and the two ends of inferior winding are respectively equipped with the 3rd binding post, the 4th binding post, and the two ends of measuring winding are respectively equipped with the 5th binding post, the 6th binding post.
In the such scheme, second binding post is connected by lead with the 3rd binding post, and lead is provided with switch.
Compared with prior art, the utlity model has following advantage:
1, set up one on Magnetic Measurement side's circle and measure winding, the number of turn of this measurement winding can be set according to electrical sheet dc magnetic measuring principle, and its number of turn can be about 1/50th of time coil usually, guarantees dc magnetic measurement reliability.
2, the two ends of each winding are respectively equipped with binding post, and according to measuring the purpose needs, select any two windings to be connected with the different measuring device, carry out electrical sheet friendship or dc magnetic and measure; Enriched present measuring method, made the measuring method generalization that more becomes, for the production and the development of electrical sheet provides more comprehensive directly measurement means.
3, second binding post on first, the inferior winding is connected by lead with the 3rd binding post, and lead is provided with switch, when carrying out the dc magnetic measurement, can change the number of turn of field coil fast as the magnetization winding; Guaranteed and the coupling of measurement mechanism that in fast and accurate measurement, maximum magnetic field strength can improve 2.5 times.
Description of drawings
Fig. 1 is the structural representation of the utility model Magnetic Measurement side circle
Fig. 2 is the structural representation of the utility model Magnetic Measurement side circle embodiment 1
Fig. 3 is the structural representation of the utility model Magnetic Measurement side circle embodiment 2
Among the figure: 1-installing plate, 2-straight tube, 3-first winding, 301-the first binding post, 302-the second binding post, 4-inferior winding, 401-the three binding post, 402-the four binding post, 5-measurement winding, 501-the five binding post, 502-the six binding post, 6-lead, 7-switch.
Embodiment
The utility model Magnetic Measurement side circle embodiment 1 as shown in Figure 1, 2, it comprises installing plate 1, and installing plate 1 is provided with four and encompasses foursquare straight tube 2, and the inside casing of straight tube 2 xsects is a rectangle, is wound with just winding 3 and time winding 4 on the straight tube 2; Also be wound with on the part straight tube 2 and measure winding 5.
Just the two ends of winding 3 are respectively equipped with first binding post 301, second binding post 302, and the two ends of inferior winding 4 are respectively equipped with the 3rd binding post 401, the 4th binding post 402, and the two ends of measuring winding 5 are respectively equipped with the 5th binding post 501, the 6th binding post 502.
The utility model embodiment 1 is when carrying out the measurement of electrical sheet alternating magnetism, the connected mode of side's circle and power supply and measurement instrument is equal to routine side's circle mode of connection fully, first binding post 301 is connected with the excitation supply output terminal with second binding post 302, forms magnetization cycle; The 3rd binding post 401 and the 4th binding post 402 connect to form the measurement loop with the measurement instrument contact and measure.
When carrying out the measurement of electrical sheet dc magnetic, second binding post 302 is connected (connecting among the figure) with the 3rd binding post 401 usefulness leads, first binding post 301 is connected with the positive and negative level of dc magnetization power supply respectively with the 4th binding post 402, forms the dc magnetization loop; Other the 5th binding post 501 and the 6th binding post 502 connect to form with the measurement instrument contact respectively and measure the loop.When carrying out the dc magnetic measurement, second binding post 302 is connected with the 3rd binding post 401, and the number of turn of magnetizing coil has increased by one times like this, the magnetic-field measurement scope is also corresponding to double, measure coil turn simultaneously and reduced, avoided the secondary coil signal excessive, guaranteed measuring reliability.
The utility model Magnetic Measurement side circle embodiment 2 as shown in Figure 3, it is with the difference of embodiment 1: second binding post 302 is connected by lead 6 with the 3rd binding post 401, and lead 6 is provided with switch 7.
The utility model embodiment 2 is when carrying out the measurement of electrical sheet alternating magnetism, and switch 7 disconnects, when carrying out the measurement of electrical sheet dc magnetic, and switch 7 closures, other is with embodiment 1.
Claims (3)
1, a kind of Magnetic Measurement side is enclosed, and it comprises installing plate (1), and installing plate (1) is provided with four and encompasses foursquare straight tube (2), and the inside casing of straight tube (2) xsect is a rectangle, is wound with just winding (3) and time winding (4) on the straight tube (2); It is characterized in that: also be wound with on the part straight tube (2) and measure winding (5).
2, Magnetic Measurement side as claimed in claim 1 is enclosed, it is characterized in that: the two ends of first winding (3) are respectively equipped with first binding post (301), second binding post (302), the two ends of inferior winding (4) are respectively equipped with the 3rd binding post (401), the 4th binding post (402), and the two ends of measuring winding (5) are respectively equipped with the 5th binding post (501), the 6th binding post (502).
3, Magnetic Measurement side as claimed in claim 2 is enclosed, and it is characterized in that: second binding post (302) is connected by lead (6) with the 3rd binding post (401), and lead (6) is provided with switch (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200677411U CN201203665Y (en) | 2008-06-12 | 2008-06-12 | Magnetic measurement square loop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200677411U CN201203665Y (en) | 2008-06-12 | 2008-06-12 | Magnetic measurement square loop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201203665Y true CN201203665Y (en) | 2009-03-04 |
Family
ID=40425977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200677411U Expired - Fee Related CN201203665Y (en) | 2008-06-12 | 2008-06-12 | Magnetic measurement square loop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201203665Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101528072B1 (en) * | 2013-12-24 | 2015-06-16 | 주식회사 포스코 | multiwinding Epstein apparatus |
| CN108226826A (en) * | 2017-12-11 | 2018-06-29 | 全球能源互联网研究院有限公司 | A kind of monolithic ferrometer, monolithic specimen measurement device and measuring method |
| CN110531288A (en) * | 2019-09-26 | 2019-12-03 | 武汉钢铁有限公司 | A kind of epstein frame magnetic property detection device and method |
-
2008
- 2008-06-12 CN CNU2008200677411U patent/CN201203665Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101528072B1 (en) * | 2013-12-24 | 2015-06-16 | 주식회사 포스코 | multiwinding Epstein apparatus |
| CN108226826A (en) * | 2017-12-11 | 2018-06-29 | 全球能源互联网研究院有限公司 | A kind of monolithic ferrometer, monolithic specimen measurement device and measuring method |
| CN108226826B (en) * | 2017-12-11 | 2020-04-21 | 全球能源互联网研究院有限公司 | Single-piece magnetic permeameter, single-piece sample measuring device and measuring method |
| CN110531288A (en) * | 2019-09-26 | 2019-12-03 | 武汉钢铁有限公司 | A kind of epstein frame magnetic property detection device and method |
| CN110531288B (en) * | 2019-09-26 | 2021-05-25 | 武汉钢铁有限公司 | Epstein square ring magnetic property detection device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203133146U (en) | Transformer neutral point current measuring device | |
| CN201955421U (en) | Wiring detector for multifunctional electric energy metering device | |
| CN103308743B (en) | Direct current metering device | |
| CN102323459A (en) | Alternating magnetic field-resistant manganin current divider | |
| CN203191419U (en) | Intelligent electricity meter with diamagnetic structured electromagnetic current transformers | |
| CN103852619A (en) | Open type current sensor based on closed loop fluxgate technology | |
| CN103928226A (en) | Error compensation single-core three-winding current transformer and split core type current transformer | |
| US9354258B2 (en) | Current detection device and electricity meter | |
| CN201203665Y (en) | Magnetic measurement square loop | |
| CN106298214A (en) | A kind of wide-range Zero flux current ratio changer | |
| CN202189670U (en) | Combined current converter | |
| CN203204135U (en) | U type single magnetic core magnetic flux gate probe | |
| CN110836987B (en) | Manganese-copper shunt of three-phase intelligent electric energy meter and application thereof | |
| CN201749142U (en) | Double-coil current sensor | |
| CN102368434A (en) | Open-type electronic current transformer | |
| CN208224351U (en) | One kind being based on Hall magnetic balance type voltage sensor | |
| CN110676039A (en) | Mutual inductor comprising current detection and signal detection | |
| CN202486194U (en) | Current sensor based on Rogowski coil | |
| CN106443154B (en) | Current and voltage proportional transformation and sampling device | |
| CN212568917U (en) | Electronic current sensor for electric energy meter | |
| CN102004231A (en) | DC and low frequency magnetic field signal detection device and detection method thereof | |
| CN204946702U (en) | A kind of Multichannel isolating voltage instrument transformer with compensation | |
| CN106707015A (en) | High-performance self-calibrated photoelectric combined type current transformer and self-calibration method thereof | |
| CN203069683U (en) | Online transformer transformation ratio testing device | |
| CN210722708U (en) | Integrated current transformer |
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 |
Granted publication date: 20090304 Termination date: 20140612 |
|
| EXPY | Termination of patent right or utility model |