CN106067725A - A kind of power-supply filter suppressing short wave communication frequency band speech to disturb - Google Patents
A kind of power-supply filter suppressing short wave communication frequency band speech to disturb Download PDFInfo
- Publication number
- CN106067725A CN106067725A CN201610576669.4A CN201610576669A CN106067725A CN 106067725 A CN106067725 A CN 106067725A CN 201610576669 A CN201610576669 A CN 201610576669A CN 106067725 A CN106067725 A CN 106067725A
- Authority
- CN
- China
- Prior art keywords
- winding
- mode inductance
- power
- frequency band
- communication frequency
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/12—Arrangements for reducing harmonics from ac input or output
- H02M1/126—Arrangements for reducing harmonics from ac input or output using passive filters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/12—Arrangements for reducing harmonics from ac input or output
- H02M1/123—Suppression of common mode voltage or current
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Filters And Equalizers (AREA)
Abstract
The invention discloses a kind of power-supply filter suppressing short wave communication frequency band speech to disturb, mainly include device fixed plate, winding, winding, winding, winding, RC filter circuit and the magnet ring be made up of ultracrystallite or non-crystalline material, magnet ring.Winding, windingAnd magnet ringComposition common mode inductance, winding, windingAnd magnet ringComposition differential mode inductance, RC filter circuit is as bypass filter circuit.The invention have the advantage that the present invention solves the electromagnetism Interference problem that short wave communication frequency band speech is produced in short-wave radio set power supply process by permanent magnet reversible diesel generating set, can effectively suppress the interference signal on power line, filter effect is excellent, simple in construction, easy for installation.
Description
Technical field
The present invention relates to a kind of power-supply filter, particularly relate to the filter of a kind of power supply suppressing short wave communication frequency band speech to disturb
Ripple device.
Background technology
Customer responsiveness, permanent magnet reversible diesel generating set in short wave communication radio station power supply process to short wave communication frequency range
Voice produces electromagnetic interference, have impact on the proper communication of short-wave radio set.Therefore, a kind of power-supply filter must be studied, can pass through
Power-supply filter effectively suppresses the electricity that short wave communication frequency band speech is produced in power supply process by permanent magnet reversible diesel generating set
Magnetic Conduction Interference.
The inverter of permanent magnet reversible diesel generating set is switching type power supply, along with permanent magnet reversible diesel generating set is in work
More and more applying in industry and army, the electromagnetic interference between permanent magnet reversible diesel generating set and electrical equipment is the tightest
Weight, be mainly reflected between 10K～30MHz based on common mode disturbances, differential mode interference be auxiliary electromagnetic interference, this interference master
To propagate with conduction pattern, to cause the biggest harm to the safety of electrical equipment is properly functioning, it is necessary to be controlled by.
Summary of the invention
Object of the present invention is to provide a kind of power-supply filter suppressing short wave communication frequency band speech to disturb, use altogether
The modes such as mould inductance, differential mode inductance, bypass filter circuit, by inductance, electric capacity and the mating reaction of resistance, effectively suppress permanent magnetism
The electromagnetism Interference that short wave communication frequency band speech is produced in short-wave radio set power supply process by inversion diesel generating set.This
Power-supply filter is possible not only to suppress based on common mode disturbances, differential mode interference is auxiliary electromagnetic interference, but also can suppress to come
The peak voltage produced from surge current and the on and off switch action of external electrical network or electric current.
The present invention is achieved like this, a kind of power-supply filter suppressing short wave communication frequency band speech to disturb, and mainly wraps
Include common mode inductance, differential mode inductance, bypass filter circuit, electric capacity, resistance, device fixed plate；It is characterized in that: common mode inductance by around
Group, windingAnd magnet ringComposition；Differential mode inductance is by winding, windingAnd magnet ringComposition；Bypass filter circuit is by 10
Group electric capacity composition；Power-supply filter input connects common mode inductance, common mode inductance parallel connection bypass filter circuit, bypasses filter circuit
Differential mode inductance in parallel, differential mode inductance connects power-supply filter outfan；Connect between described bypass filter circuit and differential mode inductance
Resistance, connects electric capacity between described differential mode inductance and power-supply filter outfan；By common mode inductance, differential mode inductance, bypass filtering
Circuit, electric capacity, resistance are fixed in device fixed plate in order；Described bypass filter circuit ground connection.Common mode inductance suppression is altogether
Mould disturbs, differential mode inductance suppression differential mode interference, by inductance, electric capacity and the mating reaction of resistance, and effectively suppression permanent magnet reversible bavin
The electromagnetism Interference that short wave communication frequency band speech is produced in power supply process by oily hair group of motors.This power-supply filter not only may be used
To suppress based on common mode disturbances, differential mode interference is auxiliary electromagnetic interference, but also can suppress the surge from external electrical network
Peak voltage that electric current and on and off switch action produce or electric current.
Common mode inductance upper magnetic ring of the present inventionIt is wound with windingAnd windingComposition common mode inductance.
Differential mode inductance upper magnetic ring of the present inventionIt is wound with windingAnd windingComposition differential mode inductance.
Magnet ring of the present inventionIt is made up of ultracrystallite or non-crystalline material.
Magnet ring of the present inventionIt is made up of ultracrystallite or non-crystalline material.
The thickness of device fixed plate of the present invention is 2mm.
The solution have the advantages that: solve permanent magnet reversible diesel generating set right in short-wave radio set power supply process
The electromagnetism Interference problem that short wave communication frequency band speech produces, can effectively suppress the interference signal on power line, filter effect
Excellent, simple in construction, easy for installation.This power-supply filter is possible not only to suppress the filter circuit of electromagnetic interference, but also permissible
Suppress peak voltage or the electric current produced from surge current and the on and off switch action of external electrical network, applied widely, have
Higher Social benefit and economic benefit.
Accompanying drawing explanation
Fig. 1 is the power-supply filter structure chart that the present invention suppresses short wave communication frequency band speech to disturb.
Fig. 2 is the power-supply filter schematic diagram of suppression short wave communication frequency band speech interference.
In the drawings, 1 device fixed plate, 2 magnet rings, 3 windings, 4 windings, 5 RC filter circuits,
6 magnet rings, 7 windings, 8 windings, 9, common mode inductance, 10, differential mode inductance, 11, bypass filter circuit, 12, resistance
R1,13, electric capacity C11.
Detailed description of the invention
As shown in Figure 1 and Figure 2, the present invention is such to work and enforcement, a kind of suppression short wave communication frequency band speech interference
Power-supply filter, mainly include that common mode inductance 9, differential mode inductance 10, bypass filter circuit 11, electric capacity 13, resistance 12, device are solid
Determine plate 1；It is characterized in that: common mode inductance 9 is by winding, (7) windingAnd magnet ring (8)(6) composition；Differential mode inductance 10 by around
Group(3), windingAnd magnet ring (4)(2) composition；Bypass filter circuit 11 is made up of ten groups of electric capacity C1-C10；Power supply is filtered
Ripple device input connects common mode inductance 9, common mode inductance 9 bypass in parallel filter circuit 11, bypass filter circuit 11 differential mode in parallel electricity
Sense 10, differential mode inductance 10 connects power-supply filter outfan；Electricity is connected between described bypass filter circuit 11 and differential mode inductance 10
Resistance R1, connects electric capacity C11 between described differential mode inductance 10 and power-supply filter 11 outfan；By common mode inductance 9, differential mode inductance
10, bypass filter circuit 11, electric capacity, resistance is fixed in device fixed plate 1 in order；Described bypass filter circuit 11 is
RC filter circuit 5 ground connection.Common mode inductance 9 suppresses common mode disturbances, differential mode inductance 10 to suppress differential mode interference, by inductance, electric capacity and
The mating reaction of resistance, short wave communication frequency band speech is produced in power supply process by effectively suppression permanent magnet reversible diesel generating set
Electromagnetism Interference.
The present invention is by windingAnd winding (7)(8) it is wrapped in magnet ring(6) upper composition common mode inductance L1, by winding
And winding (3)(4) it is wrapped in magnet ring(2) upper composition differential mode inductance 10, resistance R1 and C1～C10 composition bypass filtered electrical
Road 11；Common mode inductance 9, differential mode inductance 10 and bypass filter circuit 11 are arranged in device fixed plate 5；The thickness of device fixed plate
For 2mm.
Operation principle of the present invention: when power supply flows into common mode inductance L1 from the input of power-supply filter, electric current flow through around
GroupAnd winding, electric current can be at windingAnd windingMagnetic field that middle generation is reverse and cancel out each other.Flow through when there being common mode current
During inductance L1, due to the same tropism of common mode current, electric current can be at windingAnd windingThe magnetic flux of middle generation equal sizes and increase
The induction reactance of coil, coil high impedance can produce stronger damping, with this attenuation common-mode electric current, reaches filter effect.
Power supply flows to bypass filter circuit 11, winding after common mode inductance L1It is connected to bypass the common mode electricity of filter circuit
Hold C1～C5, windingIt is connected to bypass common mode capacitance C6～the C10 of filter circuit, when power supply flows through common mode capacitance, filters miscellaneous
Ripple signal, reaches filter effect.
Power supply flows to differential mode inductance L2, winding after the common mode capacitance of bypass filter circuitIt is connected to bypass filtered electrical
Common mode capacitance C1 on road～C5, windingBeing connected to bypass common mode capacitance C6～the C10 of filter circuit, power supply flows through differential mode electricity
During sense L2, can decay differential-mode current, reaches filter effect.
Power supply flows to differential mode capacitor C11 through differential mode inductance L2, filters noise signal, and power supply exports to user power utilization equipment
End.
Claims (6)
1. suppress the power-supply filter that short wave communication frequency band speech disturbs, mainly include common mode inductance, differential mode inductance, bypass
Filter circuit, electric capacity, resistance, device fixed plate；It is characterized in that: common mode inductance is by winding, windingAnd magnet ringComposition；Difference
Mould inductance is by winding, windingAnd magnet ringComposition；Bypass filter circuit is made up of 10 groups of electric capacity；Power-supply filter input
Connecting common mode inductance, common mode inductance parallel connection bypass filter circuit, bypass filter circuit parallel connection differential mode inductance, differential mode inductance connects electricity
Source filter outfan；Resistance, described differential mode inductance and power filter is connected between described bypass filter circuit and differential mode inductance
Electric capacity is connected between device outfan；Common mode inductance, differential mode inductance, bypass filter circuit, electric capacity, resistance are fixed in order
In device fixed plate；Described bypass filter circuit ground connection.
A kind of power-supply filter suppressing short wave communication frequency band speech to disturb the most according to claim 1, it is characterised in that:
Described common mode inductance upper magnetic ringIt is wound with windingAnd windingComposition common mode inductance.
A kind of power-supply filter suppressing short wave communication frequency band speech to disturb the most according to claim 1, it is characterised in that:
Described differential mode inductance upper magnetic ringIt is wound with windingAnd windingComposition differential mode inductance.
A kind of power-supply filter suppressing short wave communication frequency band speech to disturb the most according to claim 1, it is characterised in that:
Described magnet ringIt is made up of ultracrystallite or non-crystalline material.
A kind of power-supply filter suppressing short wave communication frequency band speech to disturb the most according to claim 1, it is characterised in that:
Described magnet ringIt is made up of ultracrystallite or non-crystalline material.
A kind of power-supply filter suppressing short wave communication frequency band speech to disturb the most according to claim 1, it is characterised in that:
The thickness of described device fixed plate is 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610576669.4A CN106067725A (en) | 2016-07-21 | 2016-07-21 | A kind of power-supply filter suppressing short wave communication frequency band speech to disturb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610576669.4A CN106067725A (en) | 2016-07-21 | 2016-07-21 | A kind of power-supply filter suppressing short wave communication frequency band speech to disturb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106067725A true CN106067725A (en) | 2016-11-02 |
Family
ID=57207008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610576669.4A Pending CN106067725A (en) | 2016-07-21 | 2016-07-21 | A kind of power-supply filter suppressing short wave communication frequency band speech to disturb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106067725A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109167639A (en) * | 2018-08-20 | 2019-01-08 | 浙江晨泰科技股份有限公司 | Bandwidth carrier common mode interference suppressing method and module |
| CN111478578A (en) * | 2020-04-30 | 2020-07-31 | 北京理工大学 | New energy automobile motor controller high voltage direct current power supply electromagnetic interference filter |
| CN112865509A (en) * | 2021-01-15 | 2021-05-28 | 西安智源导通电子科技有限公司 | Intelligent general type common mode EMI wave filter |
| CN113872205A (en) * | 2020-06-11 | 2021-12-31 | 北京新能源汽车股份有限公司 | Electromagnetic interference filtering device and electric automobile |
| CN116800284A (en) * | 2023-07-18 | 2023-09-22 | 北京捷星电子科技有限公司 | Bluetooth multimedia radio |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1555743A1 (en) * | 2002-04-15 | 2005-07-20 | Jialin Wu | Multifunction power convertor |
| CN201528319U (en) * | 2009-09-14 | 2010-07-14 | 宝鸡市瑞通电器有限公司 | Differential mode enhanced low-pass filter |
| CN203377597U (en) * | 2013-06-19 | 2014-01-01 | 山东朗进科技股份有限公司 | Filtering protection circuit |
| CN206272479U (en) * | 2016-07-21 | 2017-06-20 | 江西泰豪军工集团有限公司 | A kind of power-supply filter for suppressing the interference of short wave communication frequency band speech |
-
2016
- 2016-07-21 CN CN201610576669.4A patent/CN106067725A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1555743A1 (en) * | 2002-04-15 | 2005-07-20 | Jialin Wu | Multifunction power convertor |
| CN201528319U (en) * | 2009-09-14 | 2010-07-14 | 宝鸡市瑞通电器有限公司 | Differential mode enhanced low-pass filter |
| CN203377597U (en) * | 2013-06-19 | 2014-01-01 | 山东朗进科技股份有限公司 | Filtering protection circuit |
| CN206272479U (en) * | 2016-07-21 | 2017-06-20 | 江西泰豪军工集团有限公司 | A kind of power-supply filter for suppressing the interference of short wave communication frequency band speech |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109167639A (en) * | 2018-08-20 | 2019-01-08 | 浙江晨泰科技股份有限公司 | Bandwidth carrier common mode interference suppressing method and module |
| CN109167639B (en) * | 2018-08-20 | 2019-11-08 | 浙江晨泰科技股份有限公司 | A kind of bandwidth carrier common mode interference suppressing method and device |
| CN111478578A (en) * | 2020-04-30 | 2020-07-31 | 北京理工大学 | New energy automobile motor controller high voltage direct current power supply electromagnetic interference filter |
| CN113872205A (en) * | 2020-06-11 | 2021-12-31 | 北京新能源汽车股份有限公司 | Electromagnetic interference filtering device and electric automobile |
| CN112865509A (en) * | 2021-01-15 | 2021-05-28 | 西安智源导通电子科技有限公司 | Intelligent general type common mode EMI wave filter |
| CN116800284A (en) * | 2023-07-18 | 2023-09-22 | 北京捷星电子科技有限公司 | Bluetooth multimedia radio |
| CN116800284B (en) * | 2023-07-18 | 2024-03-12 | 北京捷星电子科技有限公司 | Bluetooth multimedia radio |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106067725A (en) | A kind of power-supply filter suppressing short wave communication frequency band speech to disturb | |
| US8212416B2 (en) | Device for filtering harmonics | |
| EP2876794B1 (en) | Input EMI filter and method for motor drive including an active rectifier | |
| JP6680534B2 (en) | Device and method for filtering electromagnetic interference | |
| CN103825474A (en) | Power conversion device with low common-mode noise and application system thereof | |
| CN107134916B (en) | Device and method for preventing electromagnetic information leakage in alternating-current power supply transmission | |
| CN102088188A (en) | DC power supply filter | |
| EP4203221A1 (en) | Electromagnetic interference filter | |
| CN101764525B (en) | Vector transducer with low electromagnetic interference | |
| CN203554278U (en) | A household electrical appliance and an EMI filter circuit thereof | |
| CN206272479U (en) | A kind of power-supply filter for suppressing the interference of short wave communication frequency band speech | |
| CN206237297U (en) | A kind of low ripple output hybrid filter circuit | |
| CN203910415U (en) | Differential-common-mode inductor and inverter comprising inductor | |
| CN206602763U (en) | A kind of anti-electromagnetic interference circuit module | |
| CN205407757U (en) | EMI wave filter of electric power automation equipment | |
| CN203261231U (en) | Direct-current filter used for photovoltaic inverter | |
| RU133987U1 (en) | FILTER HARMONIC OF POWER SUPPLY OF NONLINEAR LOADS | |
| CN205883042U (en) | A electromagnetic compatibility circuit for switching power supply | |
| JP2012034149A (en) | Power source line filter | |
| JP2023506965A (en) | Single-phase three-phase hybrid filter system for charger | |
| US9973001B2 (en) | Zero sequence, fifth harmonic filter for five-phase power distribution system | |
| KR20130006019U (en) | / CM/DM integrated EMI Filter | |
| Chingale et al. | Harmonic filter design for line start permanent magnet synchronous motor | |
| CN104578068A (en) | Low-differential mode noise filter for router alternating-current power supply | |
| KR101675166B1 (en) | Transformer having a function of common-mode noise rejection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161102 |