CN206041497U - Middling pressure power line broadband bridge power filter module - Google Patents
Middling pressure power line broadband bridge power filter module Download PDFInfo
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- CN206041497U CN206041497U CN201621046214.3U CN201621046214U CN206041497U CN 206041497 U CN206041497 U CN 206041497U CN 201621046214 U CN201621046214 U CN 201621046214U CN 206041497 U CN206041497 U CN 206041497U
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- circuit
- power
- line broadband
- power line
- medium voltage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
Abstract
The utility model relates to a middling pressure power line broadband bridge power filter module, absorb protection circuit, one -level filter circuit, second grade filter circuit, tertiary filter circuit and power output interface including power input connector, surge and short -circuit impact and connect a component power route in proper order. The utility model discloses a power filter module, adopt piezo -resistor, differential mode choke, common mode inductance, X1 safety capacitor, Y1 safety capacitor etc. Are as main core device, the power absorbs the surge impact through preceding stage " surge and short -circuit impact absorb the protection circuit " earlier, differential mode filtering of rethread one -level and two -stage common mode filter, effectively the filtering from the various interfering signal of power introduction, the various high frequency clutters that have also prevented simultaneously load end switching power supply to produce effectively get into AC electric network, it lands to show has improved whole device power EMI and EMC performance partly, the problem of middling pressure power line broadband bridge fragile when the outwork of many mine fields is solved.
Description
Technical field
This utility model is related to power line carrier technology field, more particularly to using medium voltage power line broadband bridge power supply
Filtration module.
Background technology
" power filtering module " supplied in the market typically at most adopts two stage filter, practical effect and quality
It is uneven, it is impossible to reliably to meet " medium voltage power line broadband bridge " lightning strike area work requirement simultaneously out of doors completely, match somebody with somebody
Set is used.
Utility model content
Based on this, for prior art, technical problem to be solved of the present utility model is just to provide a kind of high-performance
Support the use power filtering module with " medium voltage power line broadband bridge ".
The technical solution of the utility model is：
A kind of medium voltage power line broadband bridge power filtering module, including power input interface, power output interface, surge
And short-circuit impact absorbs protection circuit, one-level filter circuit, secondary filter circuit, three-level filtering circuit；
Wherein, the power input interface, surge and short-circuit impact absorb protection circuit, one-level filter circuit, two grades of filters
Wave circuit, three-level filtering circuit and power output interface are linked in sequence and constitute a power path.
Wherein in one embodiment, the live wire of the power input interface, zero line, ground wire input interface adopt 4 cores
, away from needle stand, the live wire of the power output interface, zero line output interface are using 4 core 2.54mm feet away from needle stand for 2.54mm feet.
Wherein in one embodiment, the surge and short-circuit impact absorb protection circuit, series connection resettable fuse and
NTC resistance, and varistor in parallel in the loop.
Wherein in one embodiment, varistor model is 471KD20.
Wherein in one embodiment, the one-level filter circuit includes that the X1 of the two differential mode inductances and parallel connection connected is electric
Hold.
The differential mode inductance adopts inductance value for the nickel-zinc ferrite I-type magnetic core inductance of 47 μ H/1A, institute X1 electric capacity electricity
Capacity is 47nF.
Wherein in one embodiment, the secondary filter circuit include connecting in loop UU9.8 encapsulation 800 μ H the
One common mode inductance and loop zero, Y1 electric capacity in parallel over the ground respectively on live wire.
Wherein in one embodiment, the three-level filtering circuit include connecting in loop UU9.8 encapsulation 30mH the
Two common mode inductances and loop zero, Y2 electric capacity in parallel over the ground respectively on live wire.
Wherein in one embodiment, the electric capacity Y1 and electric capacity Y2 capacitances are all 4.7nF.
Hinge structure, medium voltage power line broadband bridge power filtering module of the present utility model, by handing over to input
Stream power supply multiple-stage filtering, considerably improves EMI the and EMC performances of whole equipment power supply part, solves medium voltage electricity live width
Band bridge fragile problem in area with more lightning activities outwork.
Description of the drawings
Fig. 1 is the medium voltage power line broadband bridge power filtering module principle framework figure of embodiment of the present utility model 1.
Specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments this utility model is described in detail.It should be noted that not rushing
In the case of prominent, the feature in following embodiment and embodiment can be mutually combined.
Fig. 1 gives medium voltage power line broadband bridge power filtering module principle framework figure of the present utility model, can by figure
Know, medium voltage power line broadband bridge signal filtering module, including power input interface, power output interface, surge and short circuit punching
Hit absorption protection circuit, one-level filter circuit, secondary filter circuit, three-level filtering circuit.Power input interface, surge and short circuit
Impact absorbing protection circuit, one-level filter circuit, secondary filter circuit, three-level filtering circuit and power output interface order connect
Connect one power path of composition.Power input interface, power output interface are respectively adopted 4 core 2.54mm feet away from needle stand, can be by plug
Mode flexibly matches installation.Surge and short-circuit impact absorb protection circuit, by sealing in NTC resistance in outfan, improve and set
Power of resisting voltaic impingement when standby electric, seals in resettable fuse, and when avoiding the occurrence of short trouble, problem further expands, and leads to
Cross power input circuit parallel connection varistor to absorb row during the energy of lightning surge.Varistor model is 471KD20.One-level
Two differential mode inductances are sealed in filter circuit loop and an X1 safety electric capacity is incorporated to, to power input and the high frequency of load output
The absorption certain by generation of signal and inhibition, the ability for improving the robust mould high-frequency impulse interference of circuit are prevented simultaneously
The differential mode high-frequency noise that Switching Power Supply load is produced enters electrical network.Gone here and there in secondary filter circuit, three-level filtering circuit loop respectively
A Y1 safety electric capacity in parallel over the ground respectively on a common mode inductance and over the ground and in loop zero, live wire is entered, has mainly carried
The ability of the anti-common mode high frequency impulse disturbances of high circuit prevents the common mode high frequency noise that Switching Power Supply load is produced to enter electricity simultaneously
Net.
Preferably, in the one-level filter circuit differential mode inductance adopt inductance value for 47 μ H/1A nickel-zinc ferrite I-shaped
Type core inductance, the electric capacity for being adopted for capacitance for 47nF X1 safety electric capacity.
Preferably, the common mode inductance for adopting in the secondary filter circuit is UU9.8 package inductances amount for the common mode of 800 μ H
Inductance, the electric capacity for being adopted for capacitance for 4.7nF Y1 safety electric capacity.
Preferably, the common mode inductance for adopting in the three-level filtering circuit is UU9.8 package inductances amount for the common mode of 30mH
Inductance, the electric capacity for being adopted for capacitance for 4.7nF Y1 safety electric capacity.
From the above, it may be appreciated that medium voltage power line broadband bridge signal filtering module of the present utility model, using three-level filtering electricity
Road, and add one-level surge and short-circuit impact to absorb protection circuit in input, effective filter out from each of power supply introduction
Interference signal is planted, while also effectively preventing the various high frequency spurs that load end Switching Power Supply is produced to enter AC network, is shown
Improve EMI the and EMC performances of whole equipment power supply part with writing, solve medium voltage power line broadband bridge outdoor in area with more lightning activities
Fragile problem during work, improves the reliability of equipment work.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more concrete and detailed,
But therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that common for this area
For technical staff, without departing from the concept of the premise utility, some deformations and improvement can also be made, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be defined by claims.
Claims (9)
1. a kind of medium voltage power line broadband bridge power filtering module, it is characterised in that including power input interface, power supply output
Interface, surge and short-circuit impact absorb protection circuit, one-level filter circuit, secondary filter circuit, three-level filtering circuit；
Wherein, the power input interface, surge and short-circuit impact absorb protection circuit, one-level filter circuit, secondary filter electricity
Road, three-level filtering circuit and power output interface are linked in sequence and constitute a power path.
2. medium voltage power line broadband bridge power filtering module according to claim 1, it is characterised in that the power supply is defeated
The live wire of incoming interface, zero line, ground wire input interface using 4 core 2.54mm feet away from needle stand, the live wire of the power output interface, zero
Line output interface is using 4 core 2.54mm feet away from needle stand.
3. medium voltage power line broadband bridge power filtering module according to claim 1, it is characterised in that the surge and
Short-circuit impact absorbs protection circuit, series connection resettable fuse and NTC resistance, and varistor in parallel in the loop.
4. medium voltage power line broadband bridge power filtering module according to claim 3, it is characterised in that the pressure-sensitive electricity
Resistance model 471KD20.
5. medium voltage power line broadband bridge power filtering module according to claim 1, it is characterised in that the first-level filtering
Wave circuit includes the X1 electric capacity of the two differential mode inductances and parallel connection connected.
6. medium voltage power line broadband bridge power filtering module according to claim 5, it is characterised in that the differential mode electricity
Sense adopts inductance value for the nickel-zinc ferrite I-type magnetic core inductance of 47 μ H/1A, and the X1 capacitances are 47nF.
7. medium voltage power line broadband bridge power filtering module according to claim 1, it is characterised in that two grades of filters
Wave circuit include connecting in loop UU9.8 encapsulation 800 μ H the first common mode inductance and loop zero, on live wire respectively over the ground
Y1 electric capacity in parallel.
8. medium voltage power line broadband bridge power filtering module according to claim 7, it is characterised in that the three-level filter
Wave circuit include connecting in loop UU9.8 encapsulation 30mH the second common mode inductance and loop zero, on live wire respectively over the ground
Y2 electric capacity in parallel.
9. medium voltage power line broadband bridge power filtering module according to claim 8, it is characterised in that the electric capacity Y1
All it is 4.7nF with electric capacity Y2 capacitances.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621046214.3U CN206041497U (en) | 2016-09-09 | 2016-09-09 | Middling pressure power line broadband bridge power filter module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621046214.3U CN206041497U (en) | 2016-09-09 | 2016-09-09 | Middling pressure power line broadband bridge power filter module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206041497U true CN206041497U (en) | 2017-03-22 |
Family
ID=58298793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621046214.3U Active CN206041497U (en) | 2016-09-09 | 2016-09-09 | Middling pressure power line broadband bridge power filter module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206041497U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546634A (en) * | 2018-11-28 | 2019-03-29 | 北京精密机电控制设备研究所 | A kind of compound broadband filter circuit with anti surge voltage |
| CN112019039A (en) * | 2020-08-28 | 2020-12-01 | 广州广电计量检测股份有限公司 | Power interface circuit with high-grade surge protection and high EMI performance |
| CN112953730A (en) * | 2021-01-26 | 2021-06-11 | 上海柏楚数控科技有限公司 | Power supply and communication integrated transmission system |
-
2016
- 2016-09-09 CN CN201621046214.3U patent/CN206041497U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546634A (en) * | 2018-11-28 | 2019-03-29 | 北京精密机电控制设备研究所 | A kind of compound broadband filter circuit with anti surge voltage |
| CN112019039A (en) * | 2020-08-28 | 2020-12-01 | 广州广电计量检测股份有限公司 | Power interface circuit with high-grade surge protection and high EMI performance |
| CN112953730A (en) * | 2021-01-26 | 2021-06-11 | 上海柏楚数控科技有限公司 | Power supply and communication integrated transmission system |
| CN112953730B (en) * | 2021-01-26 | 2022-12-13 | 上海柏楚数控科技有限公司 | Power supply and communication integrated transmission system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |