CN203708242U - Power line modem - Google Patents
Power line modem Download PDFInfo
- Publication number
- CN203708242U CN203708242U CN201320852272.5U CN201320852272U CN203708242U CN 203708242 U CN203708242 U CN 203708242U CN 201320852272 U CN201320852272 U CN 201320852272U CN 203708242 U CN203708242 U CN 203708242U
- Authority
- CN
- China
- Prior art keywords
- circuit
- power line
- chip
- signal
- line modem
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model relates to the field of electronic circuits and discloses a power line modem, which comprises an AC-DC isolated power supply, a plurality of DC-DC power supplies, a protection circuit, a signal coupling and isolating circuit, a receiving filter circuit, an analog/digital conversion circuit, an amplifying circuit, a transmitting filter circuit, a digital/analog conversion circuit, an RJ45 interface circuit and a control circuit composed of an RT 5350 chip and a QCA 6410 chip. Due to the adoption of the above technical scheme of the utility model, data are transmitted through a power line, and the plug-and-play function of the power line modem is enabled. Meanwhile, the power line modem has the advantages of no wiring operation, convenient movement, environmental protection, safety, reliability and the like.
Description
Technical field
The utility model relates to the communications field, particularly a kind of power line modem.
Background technology
Power line is that each family and office space are the most universal, the most wide a kind of physical medium of coverage, considerably beyond the even coverage rate of telephone line of cable TV network, therefore the technology of, utilizing power line to realize high-speed data communication obtains the favor of domestic and international many companies.
Homeplug(Home Plug PowerLine Alliance, socket power line alliance of family) be a non-for-profit group that the Duo Jia technology company declaration establishment including Intel and Compaq is, object is to develop a kind of method that connects computer and other electronic equipments by supply socket.Can on the basis of open intercommunication, develop until the appearance of HomePlug standard means the home network technologies based on power supply, be the milestone in power line carrier communication field.
Summary of the invention
The object of the utility model embodiment is to provide a kind of power line modem, is a kind of power line transmission data, and the electric power modem of plug and play has without wiring, mobile convenient, environmental protection and the feature such as safe and reliable.
A kind of power line modem that the utility model embodiment provides; it is characterized in that; comprise AC-DC insulating power supply, several DC-DC power supplys, protective circuit, signal coupling buffer circuit, wave reception filtering circuit, mould/number conversion circuit, amplifying circuit, transmission filter circuit, D/A switch circuit, RJ45 interface circuit and the control circuit being formed by RT5350 chip and QCA6410 chip
Described wave reception filtering circuit, mould/number conversion circuit send to for the signal of communication from AC power line being carried out to carry out analog-to-digital conversion after denoising the control circuit being made up of described RT5350 chip and QCA6410 chip again,
Described amplifying circuit, send filter circuit, D/A switch circuit for carrying out after digital-to-analogue conversion by the denoising of described transmission filter circuit carrying out freely the signal of communication of the control circuit of described RT5350 chip and QCA6410 chip composition, by amplifying circuit, signal of communication being carried out to re-send to AC power line after signal amplification again transmits
Described RJ45 interface circuit is connected to each other with the control circuit being made up of described RT5350 chip and QCA6410 chip, for the signal on the signal of communication from AC power line and RJ45 interface cable is carried out to information exchange.
Alternatively, described AC-DC insulating power supply one end connects AC power line, one end connects several DC-DC power supplys, realizes the electrical isolation of electric power system and AC power line, simultaneously for DC-DC power supply provides stable constant voltage input.
Alternatively, between described several DC-DC power supplys, be in parallel, for realizing the different voltage requirements of the each functional circuit of power line modem.
Alternatively, described protective circuit is made up of protective tube, thermistor or piezo-resistance, for avoiding power line modem to be subject to the interference from the surge of AC power line and overshoot voltage, electric current.
Alternatively, described signal coupling buffer circuit is by isolating transformer and electric capacity, input industrial-frequency alternating current is limited and isolated.
Alternatively, also comprise LED display circuit, described LED display circuit is for realizing the indication to signal signal intelligence by connecting the control circuit being made up of described RT5350 chip and QCA6410 chip.
Alternatively, also comprise clock signal circuit, be used to the control circuit being formed by described RT5350 chip and QCA6410 chip that synchronous control sequence circuit is provided.
Alternatively, also comprise FLASH circuit, for FLASH being read and write by clock synchronous serial communication interface.
Alternatively, described QCA6410 chip is high degree of integration chip.
Therefore, application the present embodiment technical scheme, owing to the utility model proposes a kind of power line transmission data, meet the electric power modem of the plug and play of HomePlug standard, have without wiring, mobile convenient, environmental protection and the feature such as safe and reliable.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The first power line modem structural representation that Fig. 1 provides for the utility model;
The second power line modem structural representation that Fig. 2 provides for the utility model;
The third power line modem structural representation that Fig. 3 provides for the utility model;
The 4th kind of power line modem structural representation that Fig. 4 provides for the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
embodiment:
The present embodiment provides a kind of power line modem; as shown in Figure 1; comprise AC-DC insulating power supply, several DC-DC power supplys, protective circuit, signal coupling buffer circuit, wave reception filtering circuit, mould/number conversion circuit, amplifying circuit, transmission filter circuit, D/A switch circuit, RJ45 interface circuit and the control circuit being formed by RT5350 chip and QCA6410 chip
Described wave reception filtering circuit, mould/number conversion circuit send to for the signal of communication from AC power line being carried out to carry out analog-to-digital conversion after denoising the control circuit being made up of described RT5350 chip and QCA6410 chip again,
Described amplifying circuit, send filter circuit, D/A switch circuit for carrying out after digital-to-analogue conversion by the denoising of described transmission filter circuit carrying out freely the signal of communication of the control circuit of described RT5350 chip and QCA6410 chip composition, by amplifying circuit, signal of communication being carried out to re-send to AC power line after signal amplification again transmits
Described RJ45 interface circuit is connected to each other with the control circuit being made up of described RT5350 chip and QCA6410 chip, for the signal on the signal of communication from AC power line and RJ45 interface cable is carried out to information exchange.
Can be, but not limited to, described AC-DC insulating power supply one end connects AC power line, one end connects several DC-DC power supplys, realizes the electrical isolation of electric power system and AC power line, simultaneously for DC-DC power supply provides stable constant voltage input.
Can be, but not limited to, be in parallel between described several DC-DC power supplys, for realizing the different voltage requirements of the each functional circuit of power line modem.
Can be, but not limited to, described protective circuit is made up of protective tube, thermistor or piezo-resistance, for avoiding power line modem to be subject to the interference from the surge of AC power line and overshoot voltage, electric current.
Can be, but not limited to, described signal coupling buffer circuit is by isolating transformer and electric capacity, input industrial-frequency alternating current is limited and isolated.
Can be, but not limited to, as shown in Figure 2, also comprise LED display circuit, described LED display circuit is for realizing the indication to signal signal intelligence by connecting the control circuit being made up of described RT5350 chip and QCA6410 chip.
Can be, but not limited to, as shown in Figure 3, also comprise clock signal circuit, be used to the control circuit being formed by described RT5350 chip and QCA6410 chip that synchronous control sequence circuit is provided.
Can be, but not limited to, as shown in Figure 4, also comprise FLASH circuit, for FLASH being read and write by clock synchronous serial communication interface.
Can be, but not limited to, described QCA6410 chip is high degree of integration chip, has integrated internal memory, 10/100 ethernet PHY, AFE (analog front end)/line driver and Power Management Unit in one chip.
Therefore, owing to the utility model proposes a kind of power line transmission data, meet the electric power modem of the plug and play of HomePlug standard, have without wiring, mobile convenient, environmental protection and the feature such as safe and reliable.
Above-described execution mode, does not form the restriction to this technical scheme protection range.The modification done within any spirit at above-mentioned execution mode and principle, be equal to and replace and improvement etc., within all should being included in the protection range of this technical scheme.
Claims (9)
1. a power line modem; it is characterized in that; comprise AC-DC insulating power supply, several DC-DC power supplys, protective circuit, signal coupling buffer circuit, wave reception filtering circuit, mould/number conversion circuit, amplifying circuit, transmission filter circuit, D/A switch circuit, RJ45 interface circuit and the control circuit being formed by RT5350 chip and QCA6410 chip
Described wave reception filtering circuit, mould/number conversion circuit send to for the signal of communication from AC power line being carried out to carry out analog-to-digital conversion after denoising the control circuit being made up of described RT5350 chip and QCA6410 chip again,
Described amplifying circuit, send filter circuit, D/A switch circuit for carrying out after digital-to-analogue conversion by the denoising of described transmission filter circuit carrying out freely the signal of communication of the control circuit of described RT5350 chip and QCA6410 chip composition, by amplifying circuit, signal of communication being carried out to re-send to AC power line after signal amplification again transmits
Described RJ45 interface circuit is connected to each other with the control circuit being made up of described RT5350 chip and QCA6410 chip, for the signal on the signal of communication from AC power line and RJ45 interface cable is carried out to information exchange.
2. a kind of power line modem as claimed in claim 1, it is characterized in that, described AC-DC insulating power supply one end connects AC power line, one end connects several DC-DC power supplys, realize the electrical isolation of electric power system and AC power line, simultaneously for DC-DC power supply provides stable constant voltage input.
3. a kind of power line modem as claimed in claim 1, is characterized in that, is in parallel, for realizing the different voltage requirements of the each functional circuit of power line modem between described several DC-DC power supplys.
4. a kind of power line modem as claimed in claim 1; it is characterized in that; described protective circuit is made up of protective tube, thermistor or piezo-resistance, for avoiding power line modem to be subject to the interference from the surge of AC power line and overshoot voltage, electric current.
5. a kind of power line modem as claimed in claim 1, is characterized in that, described signal coupling buffer circuit is by isolating transformer and electric capacity, input industrial-frequency alternating current is limited and isolated.
6. a kind of power line modem as claimed in claim 1, it is characterized in that, also comprise LED display circuit, described LED display circuit is for realizing the indication to signal signal intelligence by connecting the control circuit being made up of described RT5350 chip and QCA6410 chip.
7. a kind of power line modem as claimed in claim 1, is characterized in that, also comprises clock signal circuit, is used to the control circuit being made up of described RT5350 chip and QCA6410 chip that synchronous control sequence circuit is provided.
8. a kind of power line modem as claimed in claim 1, is characterized in that, also comprises FLASH circuit, for FLASH being read and write by clock synchronous serial communication interface.
9. a kind of power line modem as claimed in claim 1, is characterized in that, described QCA6410 chip is high degree of integration chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320852272.5U CN203708242U (en) | 2013-12-23 | 2013-12-23 | Power line modem |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320852272.5U CN203708242U (en) | 2013-12-23 | 2013-12-23 | Power line modem |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203708242U true CN203708242U (en) | 2014-07-09 |
Family
ID=51058619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320852272.5U Expired - Fee Related CN203708242U (en) | 2013-12-23 | 2013-12-23 | Power line modem |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203708242U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105049085A (en) * | 2015-08-20 | 2015-11-11 | 深圳市拉格朗日电子有限公司 | Power line communication system |
| CN105162495A (en) * | 2015-07-04 | 2015-12-16 | 青岛东软载波科技股份有限公司 | Multi-node low-voltage DC power line wide-band communication system and method |
| CN105915267A (en) * | 2016-04-15 | 2016-08-31 | 贵州大学 | Power line carrier device for measurement and control system and control method thereof |
| CN109921828A (en) * | 2019-01-11 | 2019-06-21 | 西安电子科技大学 | One kind being based on narrowband low-voltage powerline carrier communication cruising inspection system and method |
| CN110752864A (en) * | 2019-10-28 | 2020-02-04 | 中国兵器工业集团第二一四研究所苏州研发中心 | Communication interface circuit based on power cord |
-
2013
- 2013-12-23 CN CN201320852272.5U patent/CN203708242U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162495A (en) * | 2015-07-04 | 2015-12-16 | 青岛东软载波科技股份有限公司 | Multi-node low-voltage DC power line wide-band communication system and method |
| CN105049085A (en) * | 2015-08-20 | 2015-11-11 | 深圳市拉格朗日电子有限公司 | Power line communication system |
| CN105049085B (en) * | 2015-08-20 | 2018-01-30 | 深圳市拉格朗日电子有限公司 | A kind of electric line communication system |
| CN105915267A (en) * | 2016-04-15 | 2016-08-31 | 贵州大学 | Power line carrier device for measurement and control system and control method thereof |
| CN109921828A (en) * | 2019-01-11 | 2019-06-21 | 西安电子科技大学 | One kind being based on narrowband low-voltage powerline carrier communication cruising inspection system and method |
| CN109921828B (en) * | 2019-01-11 | 2020-07-17 | 西安电子科技大学 | Inspection system based on narrowband low-voltage power line carrier communication |
| CN110752864A (en) * | 2019-10-28 | 2020-02-04 | 中国兵器工业集团第二一四研究所苏州研发中心 | Communication interface circuit based on power cord |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203708242U (en) | Power line modem | |
| CN204179435U (en) | There is the enlargement module of USB C-Type connector | |
| CN212183141U (en) | Power line networking type USB power adapter for Internet of things | |
| CN102651658A (en) | Power line carrier communication terminal device | |
| CN103152183A (en) | Electric modem switching device and method for mutual switching of electric signals and network signals | |
| CN105140990A (en) | Power supply device with data transmission function | |
| CN105577391A (en) | Power supply device based on differential communication interface and method and system thereof | |
| CN203313213U (en) | Power line carrier multi-media high-speed broadband Internet terminal device | |
| CN203761274U (en) | Power adapter with function of network transmission | |
| CN203933616U (en) | A kind of signal transmission system | |
| AU2013265061A1 (en) | An electrical system adapted to transfer data and power between devices on a network | |
| CN103973520A (en) | Power line carrier multi-medium high-speed broadband interconnection terminal device | |
| CN205071033U (en) | Ethernet signal transmission circuit and ethernet switch | |
| CN205051434U (en) | Automatic communication control system of power distribution network | |
| US9966996B2 (en) | Power line communication adapter capable of being freely assembled by accessories thereof | |
| CN204271399U (en) | Integrated plug-in power supply | |
| CN207518016U (en) | Wireless charging built-up circuit and device | |
| CN202906930U (en) | POE power supply system based on multi-network distribution of cat5 cables | |
| CN208820779U (en) | A kind of Bus isolation transmission circuit peculiar to vessel | |
| CN205282838U (en) | USB -OTG automatic switching connecting wire | |
| CN104485981B (en) | A kind of 1394 repeaters | |
| JP2021531716A (en) | A system for energy transfer and data exchange between electronic devices | |
| CN214799502U (en) | POE (Power over Ethernet) switch with USB (Universal Serial bus) charging port | |
| CN103905090A (en) | Power line communication equipment and power line communication method | |
| CN209913192U (en) | Network power supply switching device |
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: 20140709 Termination date: 20141223 |
|
| EXPY | Termination of patent right or utility model |