CN203849300U - Power frequency magnetic field generator of 3m*3 m - Google Patents
Power frequency magnetic field generator of 3m*3 m Download PDFInfo
- Publication number
- CN203849300U CN203849300U CN201320743996.6U CN201320743996U CN203849300U CN 203849300 U CN203849300 U CN 203849300U CN 201320743996 U CN201320743996 U CN 201320743996U CN 203849300 U CN203849300 U CN 203849300U
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- magnetic field
- power frequency
- frequency magnetic
- meters
- field generator
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- 238000012360 testing method Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000036039 immunity Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The utility model relates to a power frequency magnetic field generator of 3m*3 m. The power frequency magnetic field generator comprises a control unit which controls a converter for controlling output magnetic field. A linear voltage-stabilized source is used for providing working voltage for the control unit. An input terminal of the control unit is connected with an input module, and an output terminal is connected with a display unit. The power frequency magnetic field generator is characterized in that, a current transformer is connected with two groups of power frequency magnetic field coils of 3m*3m, and the distance between the two groups of power frequency magnetic field coils can be adjusted in a range of 1-3m. Compared with the prior art, the power frequency magnetic field generator of 3m*3 m has the beneficial effect that, through the two groups of power frequency magnetic field coils of 3m*3m with a adjusted range of 1-3m, a magnetic field scope is generated with a range exceeding 1*1m, hence, the power frequency magnetic field generator provides a condition for a large-scale apparatus to adopt an immersing method to test anti-power frequency magnetic field interference.
Description
Technical field
The utility model relates to a kind of power frequency magnetic field generator, relates 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 problems to be solved in the utility model 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, the technical solution of the utility model 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 utility model contrast prior art has following beneficial effect: what the utility model provided 3 takes 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
A kind of 3 structural representations of taking advantage of 3 meters of power frequency magnetic field generators that Fig. 1 provides for the utility model.
Embodiment
For the utility model is become apparent, hereby with preferred embodiment, and coordinate accompanying drawing to be described in detail below.
As shown in Figure 1, the utility model provides a kind of 3 to 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 utility model 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 utility model discloses as above with preferred embodiment; so it is not in order to limit the utility model; any those skilled in the art; within not departing from spirit and scope of the present utility model; when doing a little modification and perfect, therefore protection domain of the present utility model 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 |
|---|---|---|---|
| CN201320743996.6U CN203849300U (en) | 2013-11-21 | 2013-11-21 | Power frequency magnetic field generator of 3m*3 m |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320743996.6U CN203849300U (en) | 2013-11-21 | 2013-11-21 | Power frequency magnetic field generator of 3m*3 m |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203849300U true CN203849300U (en) | 2014-09-24 |
Family
ID=51562301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320743996.6U Expired - Lifetime CN203849300U (en) | 2013-11-21 | 2013-11-21 | Power frequency magnetic field generator of 3m*3 m |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203849300U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592475A (en) * | 2013-11-21 | 2014-02-19 | 上海三基电子工业有限公司 | 3*3m power frequency magnetic field generator |
| 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 |
-
2013
- 2013-11-21 CN CN201320743996.6U patent/CN203849300U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592475A (en) * | 2013-11-21 | 2014-02-19 | 上海三基电子工业有限公司 | 3*3m power frequency magnetic field generator |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210416 Address after: 200063 floor 15 and 16, No. 509, Wuning Road, Putuo District, Shanghai Patentee after: Shanghai Electric Power Intelligent Equipment Technology Co.,Ltd. Address before: 200333 Shanghai city Putuo District Yunling West Road No. 7 Lane 356 Patentee before: SHANGHAI SANKI ELECTRONIC INDUSTRIES Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140924 |