CN108226668A - A kind of quick rectification device of power cord conduction transmitting test - Google Patents
A kind of quick rectification device of power cord conduction transmitting test Download PDFInfo
- Publication number
- CN108226668A CN108226668A CN201711280399.3A CN201711280399A CN108226668A CN 108226668 A CN108226668 A CN 108226668A CN 201711280399 A CN201711280399 A CN 201711280399A CN 108226668 A CN108226668 A CN 108226668A
- Authority
- CN
- China
- Prior art keywords
- inductance
- capacitance
- power cord
- common mode
- area
- 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.)
- Pending
Links
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
- G01R31/001—Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/30—Structural combination of electric measuring instruments with basic electronic circuits, e.g. with amplifier
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Filters And Equalizers (AREA)
Abstract
The present invention relates to a kind of quick rectification devices of power cord conduction transmitting test, according to the composition structure of common electromagnetic interference (EMI) wave filter, reliable way is taken to connect respectively the differential mode inductance of the differential mode capacitor of different capacitances, common mode capacitance and different induction amount, common mode inductance and be fixed in a device, a variety of different capacitive/inductive combinations can be quickly obtained, so as to position selecting filter suitable parameters by research technique.By selecting different binding posts and break-make button, it can realize that in parallel with single/multiple capacitance, the former inductance of wave filter original capacitance is connected with single/multiple inductance, so as to quickly determine suitable capacitance/inductance values.Quick rectification device proposed by the present invention, it can help product design personnel's rapid Optimum filter parameter, by quickly and easily attempting so that the conducted emission of product is preferably minimized, and is achieved the purpose that eventually by rectification wave filter through power cord conduction transmitting test.
Description
Technical field
The invention belongs to electromagnetic compatibility tests and rectification field, are related to a kind of quick rectification of power cord conduction transmitting test
Device, can be fast to solve when military equipment and subsystem be not by the power cord conduction transmitting test in GJB151A/B
Fast effective redesign wave filter, and then pass through experiment.
Background technology
In the case where battlefield surroundings and weapon therein electromagnetic environment become increasingly complex, weaponry is to its electricity
Magnetic compatibility proposes requirement and using experiment examination.The existing military mark that China's weaponry emc testing uses
Standard is the GJB151A-1997 and its GJB151B-2003 of new edition, the two standards are to the Electromagnetic Launching of China's military use product
(EMI) it is provided with electromagnetic susceptibility (EMS) test.The purpose of power cord conduction transmitting test is in test test item power cord
Disturbance voltage.Electronic equipment can generate various electromagnetic interference noises at work, for example digital circuit is using arteries and veins
Signal is rushed to represent logical relation, Fourier analysis is carried out to its impulse waveform and understands that its spectral range is very wide；In electronic equipment
Switching Power Supply is widely used in secondary power supply, and, at work in switching state, the EMI noise generated is existing very wide for it
Frequency range, and have very high intensity.These interference can be through a variety of ways coupled to power cord so that influence entire power supply network
The stability of network causes undesirable influence to other electronic equipments in identical platform (such as aircraft).The experiment is by using connecing
Receipts machine directly measures the power cord of test item to determine the level of test item power cord conducted emission, and electromagnetic interface filter can be non-
Often effectively reduce the level.
The weaponry in China is still the means for taking and first developing and testing afterwards in Electro Magnetic Compatibility at present, is developing just
Phase predicts the integral level and spectrum distribution of product power cord conducted emission there is no good means, carries out electromagnetic interface filter
It can not be customized during type selecting according to product spectral characteristic, purchase is general mode filter substantially.In the product testing stage,
Just it usually will appear power cord conduction transmitting test project not pass through, wave filter can just be carried out according to result of the test at this time whole
Change, relevant capacitor or inductance are adjusted.In this stage, a kind of quickly rectification device is highly desirable.
Invention content
Technical problems to be solved
In order to avoid the shortcomings of the prior art, the present invention proposes a kind of quick rectification of power cord conduction transmitting test
Device.
Technical solution
The quick rectification device of a kind of power cord conduction transmitting test, it is characterised in that including difference/common mode capacitance area, differential mode
Inductor section and common mode inductance area；The difference/common mode capacitance area includes the capacitance of multiple parallel connections, and each capacitance both ends are equipped with wiring
Column is equipped with break-make button between each two capacitance；The differential mode inductance area includes the inductance of multiple series connection, and each inductance both ends are set
There is binding post, break-make button is equipped between each two inductance；The common mode inductance area includes the series electrical two by multiple inductance
Road, each inductance both ends are equipped with binding post, break-make button are equipped between each two inductance.
The value of multiple capacitances in the difference/common mode capacitance area is different.
The differential mode inductance area is different with the value of multiple inductance in common mode inductance area.
The difference/common mode capacitance area is that the minimum capacitance of multiple capacitances is 100pF, and maximum capacitance is 10uF.
The minimum inductance value of multiple inductance in the differential mode inductance area and common mode inductance area is 50uH, and maximum inductance value is 5mH.
Advantageous effect
The quick rectification device of a kind of power cord conduction transmitting test proposed by the present invention, according to common electromagnetic interference
(EMI) the composition structure of wave filter, by the differential mode capacitor of different capacitances, common mode capacitance and different induction amount differential mode inductance,
Common mode inductance take respectively reliable way connect and be fixed in a device, can quickly obtain a variety of different capacitances/
Inductor combination, so as to position selecting filter suitable parameters by research technique.By the way that different binding posts and break-make is selected to press
Button can realize that in parallel with single/multiple capacitance, the former inductance of wave filter original capacitance is connected with single/multiple inductance, so as to quick
Determining suitable capacitance/inductance values.
Quick rectification device proposed by the present invention can help product design personnel's rapid Optimum filter parameter, pass through
It quickly and easily attempts so that the conducted emission of product is preferably minimized, and is reached eventually by rectification wave filter and is passed by power cord
Lead the purpose of emission test.
Description of the drawings
Fig. 1 is electromagnetic interface filter structure chart
Fig. 2 is quick rectification structure drawing of device
Specific embodiment
In conjunction with embodiment, attached drawing, the invention will be further described：
Electromagnetic interface filter is generally by common mode inductance (L1), common mode capacitance (CY), resistance (R), differential mode inductance (L2) and differential mode electricity
Hold (CX) composition, see Fig. 1.During actually rectifying and improving, other than resistance, the parameter of remaining all device is required to attempt to adjust
Section.
C in electromagnetic interface filterX、CY、L1、L2The band-rejected characteristic of wave filter is combination defined, in addition to combination product electricity
Except the test data of source line conduction transmitting test, the type selecting of device is also contemplated that the factors such as volume, pressure resistance, cost.If production
Product are exceeded in low-frequency range, then should choose larger capacitor and inductor value；If it is determined that interference signal is common mode either differential mode, then
It is corresponding inductively or capacitively to adjust its.Attempt on having filter basis to increase one by one in usually practical rectification capacitance or
Inductance often attempts primary needs bonding wire immobilising device again, takes time and effort very much, now invented a kind of quick rectification device, seen
Fig. 2.
The present invention is made of difference/common mode capacitance area, differential mode inductance area, common mode inductance area, and each region can independent Cheng Mo
Block also can multiple regions integrate, as shown in Figure 2.Difference/common mode capacitance area is made of the capacitance of five dry different capacitances and (may be configured as
Multistage, quantity freely define), capacitance answers ascending and covers multiple types at certain intervals, minimum as shown in the figure
100pF is up to 10uF.Each capacitor both ends are set there are two binding post, are pressed between each two capacitor there are two break-make
Button realizes the capacitance selectivity of whole device.It can be by connecting different binding post and button in actual mechanical process
Break-make select the capacitance of single or multiple capacitance parallel connections to select.
The differential mode inductance area includes the inductance of five series connection, and common mode inductance area includes the series electrical two by three inductance
Road.Differential mode inductance area and common mode inductance area are connected in series by various different induction values, and minimum 50uH, is up to as shown in the figure
5mH.Each inductance both ends are equipped with binding post, and there are one break-make buttons between each two inductance, realize the electricity of whole device
Sensibility reciprocal selectivity can select the electricity that single or multiple inductance are connected by connecting different binding posts with the break-make of button
Inductance value selects.During rectification, it is only necessary to which the input of electromagnetic interface filter or output line are connected to connecing for quick rectification device
On terminal, you can quickly carry out experimental test, multiple combinations scheme can be measured in a short time, provide optimal measures to rectify and reform.
When being filtered device optimization, if necessary to two common mode capacitance C in Fig. 1YAdjustment, can be in wave filter and electricity
Difference/common mode capacitance area is incorporated between source (being LISN in EMC laboratories), L lines and GND lines are accessed into binding post；If necessary to right
Differential mode capacitor CXAdjustment, can be incorporated to difference/common mode capacitance area between L lines and N lines.By the way that different binding posts and break-make is selected to press
Different capacitor combinations may be selected in button, rational to set series with that after capacitances at different levels, cover the capacitance range of non-constant width.Such as
Fruit adjustment common mode inductance L1, then need to simultaneously switch off L lines and GND lines, common mode inductance area sealed between LISN and wave filter；It adjusts
Whole differential mode inductance L2, then L lines or GND lines are disconnected, differential mode inductance area is sealed in wherein, by connecting different binding posts with leading to
Disconnected button selects different inductance value or inductor combination.
Claims (5)
1. the quick rectification device of a kind of power cord conduction transmitting test, it is characterised in that including difference/common mode capacitance area, differential mode electricity
Sensillary area and common mode inductance area；The difference/common mode capacitance area includes the capacitance of multiple parallel connections, and each capacitance both ends are equipped with binding post,
Break-make button is equipped between each two capacitance；The differential mode inductance area includes the inductance of multiple series connection, and each inductance both ends are equipped with
Binding post is equipped with break-make button between each two inductance；The common mode inductance area includes the series circuit two by multiple inductance,
Each inductance both ends are equipped with binding post, and break-make button is equipped between each two inductance.
2. the quick rectification device of power cord conduction transmitting test according to claim 1, it is characterised in that：It is described poor/common
The value of multiple capacitances of mould capacitive region is different.
3. the quick rectification device of power cord conduction transmitting test according to claim 1, it is characterised in that：The differential mode electricity
Sensillary area is different with the value of multiple inductance in common mode inductance area.
4. the quick rectification device of power cord conduction transmitting test according to claim 1 or claim 2, it is characterised in that：It is described it is poor/
Common mode capacitance area is that the minimum capacitance of multiple capacitances is 100pF, and maximum capacitance is 10uF.
5. according to the quick rectification device of the power cord conduction transmitting test of claim 1 or 3, it is characterised in that：The difference
The minimum inductance value of multiple inductance in mould inductor section and common mode inductance area is 50uH, and maximum inductance value is 5mH.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711280399.3A CN108226668A (en) | 2017-12-07 | 2017-12-07 | A kind of quick rectification device of power cord conduction transmitting test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711280399.3A CN108226668A (en) | 2017-12-07 | 2017-12-07 | A kind of quick rectification device of power cord conduction transmitting test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108226668A true CN108226668A (en) | 2018-06-29 |
Family
ID=62653420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711280399.3A Pending CN108226668A (en) | 2017-12-07 | 2017-12-07 | A kind of quick rectification device of power cord conduction transmitting test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108226668A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110018408A (en) * | 2019-03-22 | 2019-07-16 | 太仓市同维电子有限公司 | A kind of home gateway class communication terminal fails the method for adjustment tested by conduction interference |
| CN110514918A (en) * | 2019-07-08 | 2019-11-29 | 上海市计量测试技术研究院(中国上海测试中心、华东国家计量测试中心、上海市计量器具强制检定中心) | A kind of conduction filtering diagnostic device |
| CN112731017A (en) * | 2020-12-21 | 2021-04-30 | 北京无线电计量测试研究所 | Device for measuring and rectifying conduction emission items of power line |
| CN113341361A (en) * | 2021-06-04 | 2021-09-03 | 江苏海明医疗器械有限公司 | Electronic equipment rectification device, system and method |
| CN113595380A (en) * | 2021-08-30 | 2021-11-02 | 京东方科技集团股份有限公司 | EMC debugging filter board card of electronic equipment and debugging method |
| CN113765364A (en) * | 2021-09-07 | 2021-12-07 | 北京精密机电控制设备研究所 | Parameter-adjustable-based EMI filter assembly |
| CN113945786A (en) * | 2021-10-11 | 2022-01-18 | 海检检测有限公司 | Automatic optimization device and optimization method for conducted disturbance parameters |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101651408A (en) * | 2009-06-10 | 2010-02-17 | 上海爱瑞科技发展有限公司 | Filtering module inhibiting common mode noise and differential mode noise |
| CN102982968A (en) * | 2012-12-05 | 2013-03-20 | 南京航空航天大学 | Planar integrated EMI (electro magnetic interference) choking coil for planar EMI filter |
| CN205490442U (en) * | 2016-01-14 | 2016-08-17 | 杭州信多达电器有限公司 | EMI filter circuit collection moulding piece |
| CN106026634A (en) * | 2016-07-22 | 2016-10-12 | 深圳创维－Rgb电子有限公司 | Anti-electromagnetic interference filtering circuit |
| CN106786586A (en) * | 2017-01-23 | 2017-05-31 | 青岛中公联信息科技有限公司 | A kind of self-adaptive electromagnetic interference filter |
-
2017
- 2017-12-07 CN CN201711280399.3A patent/CN108226668A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101651408A (en) * | 2009-06-10 | 2010-02-17 | 上海爱瑞科技发展有限公司 | Filtering module inhibiting common mode noise and differential mode noise |
| CN102982968A (en) * | 2012-12-05 | 2013-03-20 | 南京航空航天大学 | Planar integrated EMI (electro magnetic interference) choking coil for planar EMI filter |
| CN205490442U (en) * | 2016-01-14 | 2016-08-17 | 杭州信多达电器有限公司 | EMI filter circuit collection moulding piece |
| CN106026634A (en) * | 2016-07-22 | 2016-10-12 | 深圳创维－Rgb电子有限公司 | Anti-electromagnetic interference filtering circuit |
| CN106786586A (en) * | 2017-01-23 | 2017-05-31 | 青岛中公联信息科技有限公司 | A kind of self-adaptive electromagnetic interference filter |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110018408A (en) * | 2019-03-22 | 2019-07-16 | 太仓市同维电子有限公司 | A kind of home gateway class communication terminal fails the method for adjustment tested by conduction interference |
| CN110514918A (en) * | 2019-07-08 | 2019-11-29 | 上海市计量测试技术研究院(中国上海测试中心、华东国家计量测试中心、上海市计量器具强制检定中心) | A kind of conduction filtering diagnostic device |
| CN112731017A (en) * | 2020-12-21 | 2021-04-30 | 北京无线电计量测试研究所 | Device for measuring and rectifying conduction emission items of power line |
| CN112731017B (en) * | 2020-12-21 | 2023-04-11 | 北京无线电计量测试研究所 | Device for measuring and rectifying conduction emission items of power line |
| CN113341361A (en) * | 2021-06-04 | 2021-09-03 | 江苏海明医疗器械有限公司 | Electronic equipment rectification device, system and method |
| CN113595380A (en) * | 2021-08-30 | 2021-11-02 | 京东方科技集团股份有限公司 | EMC debugging filter board card of electronic equipment and debugging method |
| CN113765364A (en) * | 2021-09-07 | 2021-12-07 | 北京精密机电控制设备研究所 | Parameter-adjustable-based EMI filter assembly |
| CN113945786A (en) * | 2021-10-11 | 2022-01-18 | 海检检测有限公司 | Automatic optimization device and optimization method for conducted disturbance parameters |
| CN113945786B (en) * | 2021-10-11 | 2024-06-04 | 海检检测有限公司 | Automatic conduction disturbance parameter optimizing device and optimizing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108226668A (en) | A kind of quick rectification device of power cord conduction transmitting test | |
| CN107003340B (en) | Current sensor and measuring device | |
| CN106655528A (en) | ECPT (Electric-field Coupled Power Transfer) system based on bilateral LC networks and parameter designing method thereof | |
| US20120014144A1 (en) | Power supplying apparatus | |
| CN110175351B (en) | Converter transformer modeling method | |
| CN102095942B (en) | Analysis and calibration method for characteristic parameters of topological structure of V mold line impedance stabilization network | |
| EP3232551A1 (en) | Switch-mode power supply | |
| CN103905089A (en) | Circuit of power line carrier signal adjustable attenuator | |
| CN108347160A (en) | A kind of filtering method of DC-DC converter, device and terminal | |
| Zhang et al. | Predicting far-field radiation with the emission models of power converters | |
| CN106461722B (en) | Circuit arrangement for high-voltage test equipment | |
| Kim et al. | Electromagnetic interference shielding effects in wireless power transfer using magnetic resonance coupling for board-to-board level interconnection | |
| Kotny et al. | Design of EMI filters for DC-DC converter | |
| JP5028942B2 (en) | Conduction noise simulator, conduction noise simulation method, and conduction noise simulation program | |
| CN106026634A (en) | Anti-electromagnetic interference filtering circuit | |
| Kovačević et al. | Practical characterization of EMI filters replacing CISPR 17 approximate worst case measurements | |
| Jiraprasertwong et al. | Practical design of a passive EMI filter for reduction of EMI generation | |
| CN204479673U (en) | A kind of novel alternating current electronic load | |
| Zhao et al. | Electromagnetic Compatibility | |
| Schmidt et al. | Influence of parasitic effects on passive cancellation of common mode noise in a boost converter | |
| Kotny et al. | Filter design method for GaN-Buck converter taking into account of the common-mode propagation paths | |
| CN210867500U (en) | EMI power filter | |
| CN106463332B (en) | The crosstalk compensation of Ion Mobility Spectroscopy measuring method electric supply | |
| RU131540U1 (en) | ELECTROMAGNETIC COMPATIBILITY FILTER | |
| WO2020043143A1 (en) | Audio interface device and audio apparatus |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180629 |