CN208128228U - A kind of device of Conducted Radio Frequency Immunity coupling uncoupling network - Google Patents
A kind of device of Conducted Radio Frequency Immunity coupling uncoupling network Download PDFInfo
- Publication number
- CN208128228U CN208128228U CN201721062249.0U CN201721062249U CN208128228U CN 208128228 U CN208128228 U CN 208128228U CN 201721062249 U CN201721062249 U CN 201721062249U CN 208128228 U CN208128228 U CN 208128228U
- Authority
- CN
- China
- Prior art keywords
- capacitor
- port
- inductance
- coil
- magnet ring
- 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.)
- Active
Links
Landscapes
- Filters And Equalizers (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
The utility model discloses a kind of devices of Conducted Radio Frequency Immunity coupling uncoupling network, including radio-frequency maser, coupling unit and decoupling part, the coupling unit includes inductance, resistance and capacitor, the inductance, resistance and capacitor are electrically connected by conducting wire, the decoupling part include inductance, common mode inductance and to ground capacitor, the common mode inductance includes coil and magnet ring, the coil uniform winding is on the surface of magnet ring, the left side of the decoupling part is equipped with the port EUT, and the right side of the decoupling part is equipped with the port AE.By being equipped with common mode inductance in the device that Conducted Radio Frequency Immunity couples uncoupling network and arriving ground capacitor, common mode inductance is set to constitute LC filter circuit with to ground capacitor, become magnetic strength and thermal energy convenient for preventing to absorb most of interference signal by inductance, remaining major part, to ground, effectively reduces the interference of Conducted Radio Frequency by capacitive bypass.
Description
Technical field
The utility model relates to network transmission technology field, specially a kind of Conducted Radio Frequency Immunity couples uncoupling network
Device.
Background technique
Existing relevant criterion and technological document, such as：State's net company standard Q/GDW1354, IEC17215 standard, R46 state
Border suggestion and EN50470 standard etc. only focus on Conducted Radio Frequency disturbance jamming immunity test of the intelligent electric meter more than 150kHz frequency,
It is inadequate that influence concern to electric energy meter is harassed to the Conducted Radio Frequency of 150kHz and following frequencies.However, with photovoltaic DC-to-AC converter and
The extensive use of Switching Power Supply, resulting frequency range are that electric energy meter caused by 2kHz-150kHz symmetrical current conducts
The problem of harassing and wrecking, is more and more.Currently, poor and inconvenient to use for the jamproof device effect of Conducted Radio Frequency.
Utility model content
The purpose of this utility model is to provide a kind of devices of Conducted Radio Frequency Immunity coupling uncoupling network, by making
Common mode inductance constitutes LC filter circuit with to ground capacitor, becomes magnetic strength convenient for preventing to absorb most of interference signal by inductance
And thermal energy, remaining major part, to ground, effectively reduce the interference of Conducted Radio Frequency by capacitive bypass.
To achieve the above object, the utility model provides the following technical solutions：A kind of Conducted Radio Frequency Immunity coupling decoupling
Close the device of network, including radio-frequency maser, coupling unit and decoupling part, it is characterised in that：The coupling unit includes coupling electricity
Sense, resistance and capacitor, the coupling inductance, resistance and capacitor are electrically connected by conducting wire, and the decoupling part includes decoupling electricity
Sense, common mode inductance and to ground capacitor, the common mode inductance includes coil and magnet ring, table of the coil uniform winding in magnet ring
Face, the left side of the decoupling part are equipped with the port EUT, and the right side of the decoupling part is equipped with the port AE.
Preferably, the end of the radio-frequency maser is connected with inductance L1, is connected with resistance below the inductance L1, from left to right
Once it is first resistor R1, second resistance R2,3rd resistor R3 and the 4th resistance R4, has been sequentially connected in series electricity below the resistance
Hold, the capacitor is followed successively by first capacitor C1, the second capacitor C2, third capacitor C3 and the 4th capacitor C4.
Preferably, first resistor R1 series connection first capacitor C1 couples a signal to the N-terminal of the port EUT, and described second
The second capacitor C2 of resistance R2 series connection couples a signal to the end L3 of the port EUT, and the 3rd resistor R3 and third capacitor C3 will believe
Number it is coupled to the end L2 of the port EUT, the 4th resistance R 4 and the 4th capacitor C4 couples a signal to the end L1 of the port EUT.
Preferably, the end L1 of the port EUT is wound on magnet ring by the way that coil is smooth and is connected to the end AE L1, institute
State L1 end-coil and magnet ring coiling and form common mode inductance L4, the end L2 of the port EUT by coil it is smooth be wound on magnet ring
The end AE L2 is gone up and is connected to, the L2 end-coil and magnet ring coiling form common mode inductance L5, and the end L3 of the port EUT passes through line
Enclose it is smooth be wound on magnet ring and be connected to the end AE L3, the L3 end-coil and magnet ring coiling form common mode inductance L6, described
The N-terminal of the port EUT by coil it is smooth be wound on magnet ring and be connected to the end AE N, the N-terminal coil is formed with magnet ring coiling
Common mode inductance L7.
Preferably, it is in series with below the port the AE L1 to ground capacitor C5, the lower section the port AE L2 is in series with to ground electricity
Hold C6, is in series with below the port the AE L3 to ground capacitor C7, the lower section the port AE N is in series with to ground capacitor C8.
Compared with prior art, the beneficial effects of the utility model are：
The utility model in the device that Conducted Radio Frequency Immunity couples uncoupling network by being equipped with common mode inductance and arriving
Ground capacitor makes common mode inductance constitute LC filter circuit with to ground capacitor, convenient for preventing to inhale most of interference signal by inductance
Receipts become magnetic strength and thermal energy, and remaining major part, to ground, effectively reduces the interference of Conducted Radio Frequency by capacitive bypass.
Detailed description of the invention
Fig. 1 is the utility model principle architecture circuit structural schematic diagram.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.
Referring to Fig. 1, the utility model provides a kind of technical solution：A kind of Conducted Radio Frequency Immunity coupling uncoupling network
Device, including radio-frequency maser, coupling unit and decoupling part, it is characterised in that：The coupling unit includes coupling inductance, resistance
And capacitor, the coupling inductance, resistance and capacitor are electrically connected by conducting wire, the decoupling part includes decoupling inductance, common mode
Inductance and to ground capacitor, the common mode inductance includes coil and magnet ring, and the coil uniform winding is described to move back on the surface of magnet ring
The left side of coupling part is equipped with the port EUT, and the right side of the decoupling part is equipped with the port AE.
The end of the radio-frequency maser is connected with inductance L1, is connected with resistance below the inductance L1, is once from left to right
First resistor R1, second resistance R2,3rd resistor R3 and the 4th resistance R4 have been sequentially connected in series capacitor below the resistance, institute
It states capacitor and is followed successively by first capacitor C1, the second capacitor C2, third capacitor C3 and the 4th capacitor C4, input signal is passed through into resistance
It is connected in series to the capacitor and is divided into four parts, reduce loss of the signal in transmission process, improve the quality of signal transmission.
The first resistor R1 series connection first capacitor C1 couples a signal to the N-terminal of the port EUT, the second resistance R2 string
Join the end L3 that the second capacitor C2 couples a signal to the port EUT, the 3rd resistor R3 and third capacitor C3 is coupled a signal to
The end L2 of the port EUT, the 4th resistance R4 and the 4th capacitor C4 couple a signal to the end L1 of the port EUT, by resistance with
Capacitive coupling transmits a signal in decoupling circuit, convenient for reducing loss of the signal in transmission process, signal is facilitated to transmit.
The end L1 of the port EUT by coil it is smooth be wound on magnet ring and be connected to the end AE L1, the coil with
Magnet ring coiling forms common mode inductance L4, and the end L2 of the port EUT is wound on magnet ring by the way that coil is smooth and is connected to AE
L2 is held, the coil and magnet ring coiling form common mode inductance L5, and the end L3 of the port EUT is wound on by the way that coil is smooth
On magnet ring and it is connected to the end AE L3, the coil and magnet ring coiling form common mode inductance L6, and the N-terminal of the port EUT passes through line
Enclose it is smooth be wound on magnet ring and be connected to the end AE N, the coil and magnet ring coiling form common mode inductance L7, by by coil
It uniformly is wrapped in the surface of magnet ring, to form common mode inductance, forms magnetic strength and thermal energy convenient for preventing to absorb interference signal,
Reduce the influence that interference signal transmits signal.
It is in series with below the port the AE L1 to ground capacitor C5, the lower section the port AE L2 is in series with to ground capacitor C6, institute
It states and is in series with below the L3 of the port AE to ground capacitor C7, the lower section the port AE N is in series with to ground capacitor C8, by the port AE
Lower section is equipped with to ground capacitor, convenient for bottom interference signal by capacitive transmission on earth to ground, to be transmitted signal to interference signal
Influence.
Working principle：When the utility model is used, signal is transmitted to coupling circuit by inductance L1 by radio-frequency maser
Part, then signal by circuit transmission to decoupling circuit part, in signals transmission, common mode inductance with to ground capacitor structure
At LC filter circuit, the interference signal in signal transmission, which will largely be prevented to absorb by inductance, becomes magnetic strength and thermal energy, remaining
Major part, to ground, improves jamproof performance by capacitive bypass.The above descriptions are merely preferred embodiments of the present invention,
It is not intended to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for this
For the technical staff in field, it is still possible to modify the technical solutions described in the foregoing embodiments, or to it
Middle some technical characteristics are equivalently replaced.Within the spirit and principle of the utility model, made any modification, equivalent
Replacement, improvement etc., should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of device of Conducted Radio Frequency Immunity coupling uncoupling network, including radio-frequency maser, coupling unit and decoupling part,
It is characterized in that：The coupling unit includes coupling inductance, resistance and capacitor, and the coupling inductance, resistance and capacitor pass through conducting wire
It is electrically connected, the decoupling part includes decoupling inductance, common mode inductance and arrives ground capacitor, and the common mode inductance includes coil and magnetic
Ring, the coil uniform winding are equipped with the port EUT in the surface of magnet ring, the left side of the decoupling part, the decoupling part
Right side is equipped with the port AE.
2. a kind of device of Conducted Radio Frequency Immunity coupling uncoupling network according to claim 1, it is characterised in that：Institute
The end for stating radio-frequency maser is connected with inductance L1, is connected with resistance below the inductance L1, be followed successively by from left to right first resistor R1,
Second resistance R2,3rd resistor R3 and the 4th resistance R4 have been sequentially connected in series capacitor below the resistance, and the capacitor is followed successively by
First capacitor C1, the second capacitor C2, third capacitor C3 and the 4th capacitor C4.
3. a kind of device of Conducted Radio Frequency Immunity coupling uncoupling network according to claim 2, it is characterised in that：Institute
State the N-terminal that first resistor R1 series connection first capacitor C1 couples a signal to the port EUT, the second capacitor of the second resistance R2 series connection
C2 couples a signal to the end L3 of the port EUT, and the 3rd resistor R3 and third capacitor C3 couple a signal to the L2 of the port EUT
End, the 4th resistance R 4 and the 4th capacitor C4 couple a signal to the end L1 of the port EUT.
4. a kind of device of Conducted Radio Frequency Immunity coupling uncoupling network according to claim 1, it is characterised in that：Institute
State the end L1 of the port EUT by coil it is smooth be wound on magnet ring and be connected to the end AE L1, the L1 end-coil and magnet ring around
System forms common mode inductance L4, and the end L2 of the port EUT is wound on magnet ring by the way that coil is smooth and is connected to the end AE L2, institute
State L2 end-coil and magnet ring coiling and form common mode inductance L5, the end L3 of the port EUT by coil it is smooth be wound on magnet ring
The end AE L3 is gone up and is connected to, the L3 end-coil and magnet ring coiling form common mode inductance L6, and the N-terminal of the port EUT passes through line
Enclose it is smooth be wound on magnet ring and be connected to the end AE N, the N-terminal coil and magnet ring coiling form common mode inductance L7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721062249.0U CN208128228U (en) | 2017-08-23 | 2017-08-23 | A kind of device of Conducted Radio Frequency Immunity coupling uncoupling network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721062249.0U CN208128228U (en) | 2017-08-23 | 2017-08-23 | A kind of device of Conducted Radio Frequency Immunity coupling uncoupling network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208128228U true CN208128228U (en) | 2018-11-20 |
Family
ID=64208187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721062249.0U Active CN208128228U (en) | 2017-08-23 | 2017-08-23 | A kind of device of Conducted Radio Frequency Immunity coupling uncoupling network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208128228U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111970217A (en) * | 2020-08-25 | 2020-11-20 | 北京科环世纪电磁兼容技术有限责任公司 | Coupling and decoupling network equipment and system |
| CN112217582A (en) * | 2020-10-26 | 2021-01-12 | 苏州泰思特电子科技有限公司 | Coupling/decoupling network and anti-interference test system |
-
2017
- 2017-08-23 CN CN201721062249.0U patent/CN208128228U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111970217A (en) * | 2020-08-25 | 2020-11-20 | 北京科环世纪电磁兼容技术有限责任公司 | Coupling and decoupling network equipment and system |
| CN112217582A (en) * | 2020-10-26 | 2021-01-12 | 苏州泰思特电子科技有限公司 | Coupling/decoupling network and anti-interference test system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204291039U (en) | A kind of RJ45 interface circuit being applicable to switch | |
| CN208128228U (en) | A kind of device of Conducted Radio Frequency Immunity coupling uncoupling network | |
| CN109120307A (en) | A kind of power-line carrier communication system and its band logical are coupled device | |
| CN207542776U (en) | A kind of surge protector for inhibiting electrical fast transient (eft) | |
| CN109932619A (en) | Power distribution network electronic sensor secondary singal collector | |
| CN203301179U (en) | Anti-interference charger applied to capacitor touch screen | |
| CN106506048A (en) | A kind of carrier communication termination power based on inductive | |
| CN204906390U (en) | Multinode broadband dc power line carrier communication impedance matching circuit | |
| CN201878154U (en) | Anti-electromagnetic interference device based on CAN (controller area network) bus | |
| CN213152067U (en) | Coupling/decoupling network and anti-interference test system | |
| CN205725678U (en) | A kind of alternating current circuit carrier signal attenuator circuit | |
| CN206163305U (en) | Convenient and practical's novel current transformer | |
| CN206452387U (en) | A kind of carrier communication termination power based on inductive | |
| CN209388811U (en) | A kind of network filter | |
| CN202616777U (en) | Phase-shifting zero-sequence harmonic filter and three-phase four-wire AC power supply system | |
| CN203261231U (en) | Direct-current filter used for photovoltaic inverter | |
| CN209659152U (en) | A kind of EMC power circuit applied to electromagnetic oven frequency converter | |
| CN203813434U (en) | A mixed type electric power filtering cabinet | |
| CN208706423U (en) | A kind of female type toroidal transformer | |
| CN101976831A (en) | Gigabit LAN (Local Area Network) lightning arrester with PoE (Power on Ethernet) function | |
| CN101635197A (en) | Harmonic shielding Vv connection traction balancing transformer | |
| CN106982080A (en) | A kind of electric line carrier communication circuit system | |
| CN208874566U (en) | A kind of multichannel power carrier communication system | |
| CN204833664U (en) | Bimodulus is synthesized and is hindered ripples ware | |
| CN104242484B (en) | Magnet coupled resonant type multi-load radio energy tree transmis sion network network with load isolation characteristic |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |