CN204859131U - Adopt power line carrier communication's receipt filter circuit - Google Patents
Adopt power line carrier communication's receipt filter circuit Download PDFInfo
- Publication number
- CN204859131U CN204859131U CN201520581633.6U CN201520581633U CN204859131U CN 204859131 U CN204859131 U CN 204859131U CN 201520581633 U CN201520581633 U CN 201520581633U CN 204859131 U CN204859131 U CN 204859131U
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- China
- Prior art keywords
- power line
- electric capacity
- diode
- line carrier
- coupling transformer
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Abstract
The utility model discloses an adopt power line carrier communication's receipt filter circuit, including coupling transformer T1 and clamping diode VD1, coupling transformer T1 and clamping diode VD1 are connected, be connected with electric capacity C4 on coupling transformer T1 elementary, and electric capacity C4 connects on the live wire L of power line, clamping diode VD1 connects secondary at coupling transformer T1, can effectually going up the power line to collect and adopt the mode of keeping apart the coupling to transmit out through the information of power line carrier transmission, avoiding appearing influencing the transmission of signal owing to electromagnetic interference, entire system has characteristics such as design scientific and reasonable, economical and practical.
Description
Technical field
The utility model relates to the technical field such as power carrier, data receiver, specifically, is a kind of wave reception filtering circuit adopting power line carrier, PLC.
Background technology
Power carrier communication and PLC are the abbreviations of English PowerlineCommunication.Power carrier is the distinctive communication mode of electric power system, and power carrier communication refers to and utilizes existing power line, by carrier system, analog or digital signal is carried out the technology of high-speed transfer.
The maximum feature of PLC: do not need again to set up network, as long as live wire, just can carry out data transmission, becomes one of preferred plan solving this Smart Home transfer of data undoubtedly.Simultaneously because data are only transmitted in this scope of family, 5 of constraint PLC application is perplexed greatly and will be weakened to a great extent, the long-range control to household electrical appliances we be also first connected to PC by legacy network and then control household electrical appliances mode and realize, the cost of PLC modulation /demodulation module is also far below wireless module.
Utility model content
The purpose of this utility model is to provide a kind of wave reception filtering circuit adopting power line carrier, PLC, undertaken collecting by the information of electric force carrier transmission on can by power line being effectively and adopt the mode of isolation coupling to transmit out, avoid the transmission occurring affecting signal due to electromagnetic interference, whole system has the characteristics such as design science is reasonable, economical and practical.
The utility model is achieved through the following technical solutions: a kind of wave reception filtering circuit adopting power line carrier, PLC, comprises coupling transformer T1 and clamping diode VD1, and described coupling transformer T1 is connected with clamping diode VD1.
Further for better to realize the utility model, described coupling transformer T1 elementary on be connected with electric capacity C4, and electric capacity C4 is connected on the live wire L of power line, and described clamping diode VD1 is attempted by the secondary of coupling transformer T1; Described clamping diode VD1 adopts P6KE30CA clamping diode, and described coupling transformer T1 adopts turn ratio to be the coupling transformer of 10:15.
Further for better to realize the utility model, also comprise antiresonant circuit, described antiresonant circuit is in parallel with clamping diode VD1.
Further for better to realize the utility model, described antiresonant circuit comprises electric capacity C1 parallel with one another, electric capacity C2 and inductance L 2, and described electric capacity C1 adopts the ceramic disc capacitor of 200pf, and described electric capacity C2 adopts the ceramic disc capacitor of 150pf.
Further for better to realize the utility model, between described antiresonant circuit and clamping diode, be also connected with resistance R1, one end of described electric capacity C1 connects the other end ground connection of R1, electric capacity C1, and described resistance R1 adopts 3.3k Ω resistance.
Further for better to realize the utility model, go back between above-mentioned inductance L 2 and be connected to diode D1 and diode D2, the positive pole of described diode D1 is connected with diode D2 negative pole, and the minus earth of diode D2.
Further for better to realize the utility model, the positive pole of described diode D2 is also provided with electric capacity C3, and electric capacity C3 is connected with the chip SIGIN pin of rear class, described electric capacity C3 adopts 0.01 μ f ceramic disc capacitor.
The utility model compared with prior art, has the following advantages and beneficial effect:
The utility model is undertaken collecting by the information of electric force carrier transmission on can by power line being effectively and adopts the mode of isolation coupling to transmit out, avoid the transmission occurring affecting signal due to electromagnetic interference, whole system has the characteristics such as design science is reasonable, economical and practical.
The signal received can be carried out effective clamp by the utility model, avoids because large surge current causes damage to late-class circuit.
The utility model can carry out frequency-selecting to 120kHz signal, thus improves the sensitivity of Received signal strength.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but execution mode of the present utility model is not limited thereto.
Embodiment 1:
A kind of wave reception filtering circuit adopting power line carrier, PLC, undertaken collecting by the information of electric force carrier transmission on can by power line being effectively and adopt the mode of isolation coupling to transmit out, avoid the transmission occurring affecting signal due to electromagnetic interference, whole system has the characteristics such as design science is reasonable, economical and practical, as shown in Figure 1, be provided with following structure especially: comprise coupling transformer T1 and clamping diode VD1, described coupling transformer T1 is connected with clamping diode VD1.
Embodiment 2:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further for better to realize the utility model, the signal received can be carried out effective clamp, avoid because large surge current causes damage to late-class circuit, as shown in Figure 1, be provided with following structure especially: described coupling transformer T1 elementary on be connected with electric capacity C4, and electric capacity C4 is connected on the live wire L of power line, and described clamping diode VD1 is attempted by the secondary of coupling transformer T1; Described clamping diode VD1 adopts P6KE30CA clamping diode, and described coupling transformer T1 adopts turn ratio to be the coupling transformer of 10:15.
Embodiment 3:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further for better to realize the utility model, frequency-selecting can be carried out to 120kHz signal, thus improve the sensitivity of Received signal strength, as shown in Figure 1, be provided with following structure especially: also comprise antiresonant circuit, described antiresonant circuit is in parallel with clamping diode VD1.
Embodiment 4:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further for better to realize the utility model, as shown in Figure 1, be provided with following structure especially: described antiresonant circuit comprises electric capacity C1 parallel with one another, electric capacity C2 and inductance L 2, described electric capacity C1 adopts the ceramic disc capacitor of 200pf, and described electric capacity C2 adopts the ceramic disc capacitor of 150pf.
Embodiment 5:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further for better to realize the utility model, as shown in Figure 1, be provided with following structure especially: between described antiresonant circuit and clamping diode, be also connected with resistance R1, one end of described electric capacity C1 connects R1, the other end ground connection of electric capacity C1, described resistance R1 adopts 3.3k Ω resistance.
Embodiment 6:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further for better to realize the utility model, as shown in Figure 1, be provided with following structure especially: go back between above-mentioned inductance L 2 and be connected to diode D1 and diode D2, the positive pole of described diode D1 is connected with diode D2 negative pole, and the minus earth of diode D2.
Embodiment 7:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further for better to realize the utility model, as shown in Figure 1, be provided with following structure especially: on the positive pole of described diode D2, be also provided with electric capacity C3, and electric capacity C3 is connected with the chip SIGIN pin of rear class, described electric capacity C3 adopts 0.01 μ f ceramic disc capacitor.
The above; it is only preferred embodiment of the present utility model; not do any pro forma restriction to the utility model, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present utility model, all falls within protection range of the present utility model.
Claims (7)
1. adopt a wave reception filtering circuit for power line carrier, PLC, it is characterized in that: comprise coupling transformer T1 and clamping diode VD1, described coupling transformer T1 is connected with clamping diode VD1.
2. a kind of wave reception filtering circuit adopting power line carrier, PLC according to claim 1, it is characterized in that: described coupling transformer T1 elementary on be connected with electric capacity C4, and electric capacity C4 is connected on the live wire L of power line, described clamping diode VD1 is attempted by the secondary of coupling transformer T1.
3. a kind of wave reception filtering circuit adopting power line carrier, PLC according to claim 2, it is characterized in that: also comprise antiresonant circuit, described antiresonant circuit is in parallel with clamping diode VD1.
4. a kind of wave reception filtering circuit adopting power line carrier, PLC according to claim 3, is characterized in that: described antiresonant circuit comprises electric capacity C1 parallel with one another, electric capacity C2 and inductance L 2.
5. a kind of wave reception filtering circuit adopting power line carrier, PLC according to claim 4, it is characterized in that: between described antiresonant circuit and clamping diode, be also connected with resistance R1, one end of described electric capacity C1 connects the other end ground connection of R1, electric capacity C1.
6. a kind of wave reception filtering circuit adopting power line carrier, PLC according to claim 5, it is characterized in that: go back between above-mentioned inductance L 2 and be connected to diode D1 and diode D2, the positive pole of described diode D1 is connected with diode D2 negative pole, and the minus earth of diode D2.
7. a kind of wave reception filtering circuit adopting power line carrier, PLC according to claim 6, is characterized in that: on the positive pole of described diode D2, be also provided with electric capacity C3, and electric capacity C3 is connected with the chip SIGIN pin of rear class.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520581633.6U CN204859131U (en) | 2015-08-05 | 2015-08-05 | Adopt power line carrier communication's receipt filter circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520581633.6U CN204859131U (en) | 2015-08-05 | 2015-08-05 | Adopt power line carrier communication's receipt filter circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204859131U true CN204859131U (en) | 2015-12-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520581633.6U Expired - Fee Related CN204859131U (en) | 2015-08-05 | 2015-08-05 | Adopt power line carrier communication's receipt filter circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204859131U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105141281A (en) * | 2015-08-05 | 2015-12-09 | 成都君禾天成科技有限公司 | Receiving filtering circuit employing power carrier communication |
-
2015
- 2015-08-05 CN CN201520581633.6U patent/CN204859131U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105141281A (en) * | 2015-08-05 | 2015-12-09 | 成都君禾天成科技有限公司 | Receiving filtering circuit employing power carrier communication |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20160805 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |