CN207677721U - A kind of power wire broadband carrier communication anti-jamming circuit - Google Patents
A kind of power wire broadband carrier communication anti-jamming circuit Download PDFInfo
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- CN207677721U CN207677721U CN201721538575.4U CN201721538575U CN207677721U CN 207677721 U CN207677721 U CN 207677721U CN 201721538575 U CN201721538575 U CN 201721538575U CN 207677721 U CN207677721 U CN 207677721U
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- carrier communication
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Abstract
The utility model provides a kind of power wire broadband carrier communication anti-jamming circuit, and in the utility model, the effect of capacitance C1 is logical high frequency, hinders low frequency, i.e., capacitance C1 can allow the carrier signal of high frequency to pass through, and be blocked to 50 hertz of ac signal of low frequency；Transient suppressor D1 can absorb sharp pulse, shields；High frequency transformer T1, effect are to be isolated and transmit carrier signal；Transient suppressor D2, effect are to reduce the amplitude of impulse disturbances；Resistance R1, effect be maintain the less distortion of carrier communication waveform to reach preferable anti-jamming effectiveness by the mutual cooperation of each component, meanwhile, element used in the utility model is few, and reliability is high, and at low cost, anti-jamming effectiveness is notable.
Description
Technical field
The utility model belongs to carrier communication Anti-Jamming Technique field, and in particular to a kind of power wire broadband carrier communication is anti-
Interfere circuit.
Background technology
Power wire broadband carrier communication is to utilize low-voltage power distribution wire（380/220V user's line）Matchmaker is transmitted as information
It is situated between and carries out a kind of specific communication mode of voice or data transmission, which is that the high-frequency signal of carrying information is loaded on electricity
Then stream utilizes the power line transmission of various grades, the modem for receiving information that high-frequency signal is detached from electric current again
Out, and it is transmitted to broadband over power line user terminal（Computer, TV or telephone set and intelligent electric meter, become platform at switch）, the skill
Art on the basis of not needing re-wiring, realizes the multiple services carryings such as data, voice and video on existing electric wire；
The feature of power wire broadband carrier communication maximum is to carry out signal biography by the good low-voltage power line network of cloth
It is defeated, channel need not be in addition set up, cost is very low, therefore once release, and power wire broadband carrier communication has just obtained rapidly
It promotes, but power wire broadband carrier communication also has disadvantages that, for example it is at work, is easy by outer signals and noise
It influences, especially the weak problem of anti-interference ability fails to be well solved always, for example, in the pulse charge of electric vehicle,
Prodigious interference can be caused to carrier communication, it could even be possible to causing communication failure.
Utility model content
The purpose of this utility model is to provide a kind of power wire broadband carrier communication anti-jamming circuit, the circuit by
When impulse disturbances, the amplitude of impulse disturbances can be limited and reduce the distortion of bandwidth carrier waveform.
In order to achieve the above object, the used technical solution of the utility model is：
A kind of power wire broadband carrier communication anti-jamming circuit, including 220V AC powers, capacitance C1, transformer T1, wink
Become suppressor D1, transient suppressor D2 and resistance R1, the capacitance C1 is common after connecting with the input terminal of the transformer T1
The both ends of 220V AC powers are serially connected in, the input terminal of the transformer T1 is in parallel with the transient suppressor D1；
The resistance R1 connects after connecting with the transient suppressor D2 with the one of which output end of the transformer T1,
The both ends of the resistance R1 and transient suppressor D2 are parallel with wideband filtered circuit.
Preferably, the transformer T1 is high frequency transformer.
Preferably, the zero line L of the 220V AC powers is connected with one end of capacitance C1, the other end of the capacitance C1
It is connected with the zero line side N of the 220V AC powers with after the series connection of the input terminal of transformer T1.
Compared with prior art, the utility model has the beneficial effects that：In the utility model, the effect of capacitance C1 is logical height
Frequently, low frequency is hindered, i.e., capacitance C1 can allow the carrier signal of high frequency to pass through, and hinder 50 hertz of ac signal of low frequency
It is disconnected；Transient suppressor D1 can absorb sharp pulse, shields；High frequency transformer T1, effect are to be isolated and transmit carrier wave letter
Number；Transient suppressor D2, effect are to reduce the amplitude of impulse disturbances；Resistance R1, effect be maintain carrier communication waveform compared with
Few distortion, by the mutual cooperation of each component, reaches preferable anti-jamming effectiveness, meanwhile, element used in the utility model is few, can
By property height, at low cost, anti-jamming effectiveness is notable.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the circuit diagram of the utility model；
It is marked in figure：1, wideband filtered circuit.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments, based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts belong to
The range of the utility model protection.
As shown, a kind of power wire broadband carrier communication anti-jamming circuit, including 220V AC powers, capacitance C1, change
Depressor T1, transient suppressor D1, transient suppressor D2 and resistance R1, the input terminal string of the capacitance C1 and the transformer T1
The both ends of 220V AC powers are serially connected in after connection jointly, the input terminal of the transformer T1 is in parallel with the transient suppressor D1；
The resistance R1 connects after connecting with the transient suppressor D2 with the one of which output end of the transformer T1,
The both ends of the resistance R1 and transient suppressor D2 are parallel with wideband filtered circuit 1.
The transformer T1 is high frequency transformer.
This programme is advanced optimized, the zero line L of the 220V AC powers is connected with one end of capacitance C1, the capacitance
The other end of C1 is connected with after the series connection of the input terminal of transformer T1 with the zero line side N of the 220V AC powers.
This programme is advanced optimized, the wideband filtered circuit in the utility model is conventional filter circuit, may be selected to be electricity
Hold inductor filter circuit, which is the prior art, is not described in detail here.
Anti-jamming circuit provided by the utility model is answered in the low-voltage power line carrier communication system of state's net electric energy meter
With effectively overcoming the problem of existing bandwidth carrier receives the anti-impulse disturbances energy force difference in circuit.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (3)
1. a kind of power wire broadband carrier communication anti-jamming circuit, including 220V AC powers, capacitance C1, transformer T1, transition
Suppressor D1, transient suppressor D2 and resistance R1, it is characterised in that：The input terminal string of the capacitance C1 and the transformer T1
The both ends of 220V AC powers are serially connected in after connection jointly, the input terminal of the transformer T1 is in parallel with the transient suppressor D1；
The resistance R1 connects after connecting with the transient suppressor D2 with the one of which output end of the transformer T1, described
The both ends of the resistance R1 and transient suppressor D2 are parallel with wideband filtered circuit.
2. a kind of power wire broadband carrier communication anti-jamming circuit according to claim 1, it is characterised in that：The transformation
Device T1 is high frequency transformer.
3. a kind of power wire broadband carrier communication anti-jamming circuit according to claim 1, it is characterised in that：The 220V
The zero line L of AC power is connected with one end of capacitance C1, and the other end of the capacitance C1 is connected with the input terminal of transformer T1
It is connected afterwards with the zero line side N of the 220V AC powers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721538575.4U CN207677721U (en) | 2017-11-17 | 2017-11-17 | A kind of power wire broadband carrier communication anti-jamming circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721538575.4U CN207677721U (en) | 2017-11-17 | 2017-11-17 | A kind of power wire broadband carrier communication anti-jamming circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207677721U true CN207677721U (en) | 2018-07-31 |
Family
ID=62964333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721538575.4U Withdrawn - After Issue CN207677721U (en) | 2017-11-17 | 2017-11-17 | A kind of power wire broadband carrier communication anti-jamming circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207677721U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107733469A (en) * | 2017-11-17 | 2018-02-23 | 联桥科技有限公司 | A kind of power wire broadband carrier communication anti-jamming circuit |
-
2017
- 2017-11-17 CN CN201721538575.4U patent/CN207677721U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107733469A (en) * | 2017-11-17 | 2018-02-23 | 联桥科技有限公司 | A kind of power wire broadband carrier communication anti-jamming circuit |
| CN107733469B (en) * | 2017-11-17 | 2023-10-20 | 联桥科技有限公司 | Anti-interference circuit for power line broadband carrier communication |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180731 Effective date of abandoning: 20231020 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180731 Effective date of abandoning: 20231020 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |