CN103592475A - 3*3m power frequency magnetic field generator - Google Patents
3*3m power frequency magnetic field generator Download PDFInfo
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- CN103592475A CN103592475A CN201310594839.8A CN201310594839A CN103592475A CN 103592475 A CN103592475 A CN 103592475A CN 201310594839 A CN201310594839 A CN 201310594839A CN 103592475 A CN103592475 A CN 103592475A
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Abstract
The invention relates to a 3*3m power frequency magnetic field generator. The 3*3m power frequency magnetic field generator comprises a control unit, the control unit controls a converter so as to achieve the aim for controlling an output magnetic field, a linear stabilized voltage supply supplies working voltage for the control unit, the input end of the control unit is connected with an input module, and the output end of the control unit is connected with a display unit. The 3*3m power frequency magnetic field generator is characterized in that the converter is connected with two sets of 3*3m power frequency magnetic field coils, and the distance between the two sets of power frequency magnetic field coils is adjustable within 1-3m. Compared with the prior art, the 3*3m power frequency magnetic field generator has the following advantages that through the two sets of 3*3m power frequency magnetic field coils between which the distance is adjustable within 1-3m, the magnetic field range which is far more than that of 1*1m coils is generated, and the condition is provided for testing power frequency magnetic field resistance interference by large-scale equipment through an immersion method.
Description
Technical field
The present invention relates to a kind of power frequency magnetic field generator, relate in particular to a kind of large-scale power frequency magnetic field generator.
Background technology
In current existing power frequency magnetic field generator product, have the following disadvantages:
Domestic power frequency magnetic field antenna is all to require to make according to standard GB/T/T17626.8 at present, the antenna of this standard recommendation is the coiled coil of 1 * 1m monocycle coil or similar size, adopt and immerse method of testing, its test specimen size, all less than one cubic metre, cannot meet the requirement of large scale equipment.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of power frequency magnetic field generator that can meet large scale equipment requirement.
In order to solve the problems of the technologies described above, technical scheme of the present invention has been to provide a kind of 3 and has taken advantage of 3 meters of power frequency magnetic field generators, comprise control module, thereby control module is controlled current transformer and is reached the object that output magnetic field is controlled, by linear stabilized power supply, provide operating voltage for control module, the input end of control module connects load module, its output terminal connects display unit, it is characterized in that: current transformer connects two groups and is monolaterally of a size of 3 meters of power frequency magnetic field coils of taking advantage of 3 meters, and the distance between two groups of power frequency magnetic field coils is adjustable in 1～3m.
Preferably, described load module is button panel.
Preferably, described display unit is charactron.
The present invention contrasts prior art following beneficial effect: provided by the invention 3 take advantage of 3 meters of power frequency magnetic field generators, by two groups of distance 1～3m adjustable monolateral 3 take advantage of the coil of 3 meters, produce 1 magnetic field range of taking advantage of 1m coil that surpasses far away, for main equipment adopts immersed method to test anti-power frequency magnetic field, disturb the condition that provides.
Accompanying drawing explanation
Fig. 1 provided by the invention a kind of 3 takes advantage of the structural representation of 3 meters of power frequency magnetic field generators.
Embodiment
For the present invention is become apparent, hereby with preferred embodiment, and coordinate accompanying drawing to be described in detail below.
As shown in Figure 1, the invention provides a kind of 3 and take advantage of 3 meters of power frequency magnetic field generators, comprise control module 1, thereby control module 1 is controlled current transformer 5 and is reached the object that output magnetic field is controlled, by linear stabilized power supply 3, provide operating voltage for control module 1, the input end of control module 1 connects button panel 2, and its output terminal connects charactron 4, current transformer 5 connects two groups and is monolaterally of a size of 3 meters and takes advantage of the distance between 6, two groups of power frequency magnetic field coils 6 of power frequency magnetic field coil of 3 meters adjustable in 1～3m.
Introduce in detail the composition of each major function piece below:
Control module 1:
Control module 1 of the present invention be take 80C51 single-chip microcomputer as core, and major function is to show and the control of output magnetic field with button panel 2 Control on Communication charactrons 4.
Button panel 2:
User's input parameter arranges.
Linear stabilized power supply 3:
Linear stabilized power supply 3 is given the power supply of complete machine control loop, and linear stabilized power supply 3 has advantages of anti-interference good and externally disturb little.
Charactron 4:
Be used for showing user setup data and running status.
Current transformer 5:
Current transformer 5 takes advantage of the power frequency magnetic field coil 6 of 3 meters that adjustable power current is provided for two groups 3 meters, to produce adjustable power frequency magnetic field intensity at coil space.
The two groups 3 meters power frequency magnetic field coils 6 of taking advantage of 3 meters:
In coil, pass into electric current space generation magnetic field around, central magnetic field intensity can reach 30A/m.3 meters are taken advantage of the power frequency magnetic field coil 6 of 3 meters is the magnetic field to the 50/60Hz frequency of surrounding space generation by the large electric current in simulating grid power equipment, checks the impact that electronic product may produce work when standing this type of magnetic interference.Its technical parameter is according to latest edition international standard IEC61000-4-8:2009 " Electromagnetic compatibility (EMC)-Part4-8:Testing and measurement techniques-Power frequency magnetic field immunity test "; Standard GB/T/T17626.8-2006 < < EMC test and measuring technique power frequency magnetic field immunity experiment > > (corresponding IEC61000-4-8:2001)
Although the present invention discloses as above with preferred embodiment; so it is not in order to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when doing a little modification and perfect, so protection scope of the present invention is worked as with being as the criterion that claims were defined.
Claims (3)
1. take advantage of 3 meters of power frequency magnetic field generators for one kind 3, comprise control module (1), control module (1) is controlled current transformer (5) thereby is reached the object that output magnetic field is controlled, by linear stabilized power supply (3), for control module (1), provide operating voltage, the input end of control module (1) connects load module, its output terminal connects display unit, it is characterized in that: current transformer (5) connects two groups and is monolaterally of a size of 3 meters of power frequency magnetic field coils (6) of taking advantage of 3 meters, and the distance between two groups of power frequency magnetic field coils (6) is adjustable in 1～3m.
2. as claimed in claim 1 a kind of 3 take advantage of 3 meters of power frequency magnetic field generators, it is characterized in that: described load module is button panel (2).
3. as claimed in claim 1 a kind of 3 take advantage of 3 meters of power frequency magnetic field generators, it is characterized in that: described display unit is charactron (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310594839.8A CN103592475A (en) | 2013-11-21 | 2013-11-21 | 3*3m power frequency magnetic field generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310594839.8A CN103592475A (en) | 2013-11-21 | 2013-11-21 | 3*3m power frequency magnetic field generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103592475A true CN103592475A (en) | 2014-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310594839.8A Pending CN103592475A (en) | 2013-11-21 | 2013-11-21 | 3*3m power frequency magnetic field generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103592475A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374936A (en) * | 2018-09-28 | 2019-02-22 | 深圳市霍达尔仪器有限公司 | A kind of Current feedback power frequency magnetic field generator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3684959A (en) * | 1969-11-11 | 1972-08-15 | Crompton Parkinson Ltd | Moving coil electrical measuring instruments |
| JPS56114307A (en) * | 1980-02-13 | 1981-09-08 | Yokogawa Hokushin Electric Corp | Magnetic circuit |
| CN102890257A (en) * | 2012-10-17 | 2013-01-23 | 中国西电电气股份有限公司 | Calibration system and calibration method for power frequency magnetic field noise immunity generator |
| CN203849300U (en) * | 2013-11-21 | 2014-09-24 | 上海三基电子工业有限公司 | Power frequency magnetic field generator of 3m*3 m |
-
2013
- 2013-11-21 CN CN201310594839.8A patent/CN103592475A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3684959A (en) * | 1969-11-11 | 1972-08-15 | Crompton Parkinson Ltd | Moving coil electrical measuring instruments |
| JPS56114307A (en) * | 1980-02-13 | 1981-09-08 | Yokogawa Hokushin Electric Corp | Magnetic circuit |
| CN102890257A (en) * | 2012-10-17 | 2013-01-23 | 中国西电电气股份有限公司 | Calibration system and calibration method for power frequency magnetic field noise immunity generator |
| CN203849300U (en) * | 2013-11-21 | 2014-09-24 | 上海三基电子工业有限公司 | Power frequency magnetic field generator of 3m*3 m |
Non-Patent Citations (2)
| Title |
|---|
| 杨文英等: "工频磁场对电磁继电器动态特性影响的三维有限元分析", 《电工技术学报》 * |
| 黄文广: "工频磁场测试系统分析及其感应线圈的设计", 《医疗装备》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374936A (en) * | 2018-09-28 | 2019-02-22 | 深圳市霍达尔仪器有限公司 | A kind of Current feedback power frequency magnetic field generator |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140219 |