CN203301479U - Embedded power line carrier communication functional chip - Google Patents
Embedded power line carrier communication functional chip Download PDFInfo
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- CN203301479U CN203301479U CN2013203793491U CN201320379349U CN203301479U CN 203301479 U CN203301479 U CN 203301479U CN 2013203793491 U CN2013203793491 U CN 2013203793491U CN 201320379349 U CN201320379349 U CN 201320379349U CN 203301479 U CN203301479 U CN 203301479U
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Abstract
The utility model relates to the field of power line carrier communication and discloses an embedded power line carrier communication functional chip. The embedded power line carrier communication functional chip comprises a memory, an MAC chip, a PHY chip, a DAC converter, an ADC converter, a line driver, a power amplifier, a transmitting terminal and a receiving terminal of an analog front end circuit and an electromagnetic coupler. The MAC chip is interconnected with the PHY chip and connected with the memory, the PHY chip is respectively connected with the DAC converter and the ADC converter, an output terminal of the DAC converter is connected with the line driver, an output terminal of the line driver is connected with the receiving terminal, an input terminal of the ADC converter is connected with the power amplifier, an input terminal of the power amplifier is connected with the transmitting terminal, the transmitting terminal and the receiving terminal are connected with the electromagnetic coupler via an electromagnetic induction coil, and the electromagnetic coupler is connected with a power line. The embedded power line carrier communication functional chip is advantageous in that direct conversion between an electric power carrier wave signal and a network signal is achieved, and the structure is simple, compatibility is good, and practical value is high.
Description
Technical field
The utility model relates to the power line carrier, PLC field, particularly a kind of embedded-type electric power carrier communication functional chip.
Background technology
Power carrier communication is PLC, is the abbreviation of English Power line Communication.Power carrier is the distinctive communication mode of electric power system, and power carrier communication refers to utilize existing power line, by carrier system, the analog or digital signal is carried out the technology of high-speed transfer.Maximum characteristics are not need again to set up network, as long as live wire just can carry out the data transmission.
In prior art, being connected and changing the comparatively complicated equipment of needs between PLC technology and network technology, the structure of whole equipment is comparatively complicated, and transmission rate is not high, and is shorter through the signal transmission distance of conversion.In addition, to having relatively high expectations that crystal oscillator mates, existing conversion equipment needs the user ceaselessly to carry out the debugging of crystal oscillator coupling due to PLC technology, and conversion efficiency is low, has affected popularization and the use of PLC technology.Therefore being necessary that further research and development are a more is adapted to practical application, can be to the power carrier conversion chip of the matching problem of crystal oscillator frequency.
Summary of the invention
The utility model, for power carrier conversion equipment complex structure in prior art, can't carry out the shortcomings such as automatic crystal oscillator coupling, and a kind of novel embedded power line carrier, PLC functional chip is provided.
For achieving the above object, the utility model can be taked following technical proposals:
embedded-type electric power carrier communication functional chip, comprise memory, the MAC chip, the PHY chip, the DAC transducer, the ADC transducer, line driver, power amplifier, the transmitting terminal of analog front circuit, the receiving terminal of analog front circuit, electromagnetic coupler, wherein, MAC chip and PHY chip interconnect, MAC chip connected storage, the PHY chip connects respectively DAC transducer and ADC transducer, the output connection line driver of DAC transducer, the receiving terminal of the output connecting analog front-end circuit of line driver, the input of ADC transducer connects power amplifier, the transmitting terminal of the input connecting analog front-end circuit of power amplifier, the receiving terminal of analog front circuit is connected with electromagnetic coupler by electromagnetic induction coil with the transmitting terminal of analog front circuit, electromagnetic coupler is connected with power line.
, as preferably, also comprise the PLL chip that is connected with the ADC transducer.
As preferably, also comprise the GPIO chip, be used for to light-emitting diode display output control information.
As preferably, also comprise the ethernet PHY chip, the data-signal that is used for exporting after the conversion of PHY chip transmits by network interface.
The utility model, owing to having adopted above technical scheme, has significant technique effect:
Have the modulation /demodulation function of power carrier, realized the conversion of power carrier signal and network signal, can carry out seamless link at the power line and the netting twine that are used for power carrier.
Terminal with compact integral structure, cheap for manufacturing cost, compatible good, all chips can be realized on single IC for both, be particularly useful for Embedded Application, have improved the range of application of chip.
Have the crystal oscillator frequency of having debugged, need not in use procedure the crystal oscillator coupling is debugged again, meet the requirement of power carrier to the crystal oscillator coupling.
Has complete electric source filter circuit, the stability while having improved chip operation.Be provided with bandwidth-limited circuit, the filter circuit that need not other in the signal coupling process can be realized reception and the emission of signal.
Description of drawings
Fig. 1 is the structural representation of embedded-type electric power carrier communication functional chip described in the utility model.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail.
Embodiment 1
embedded-type electric power carrier communication functional chip, as shown in Figure 1, comprise memory 1, MAC chip 2, PHY chip 3, DAC transducer 4, ADC transducer 5, line driver 6, power amplifier 7, the transmitting terminal 8 of analog front circuit, the receiving terminal 9 of analog front circuit, electromagnetic coupler 10, wherein, MAC chip 2 interconnects with PHY chip 3, MAC chip 2 connected storages 1, PHY chip 3 connects respectively DAC transducer 4 and ADC transducer 5, the output connection line driver 6 of DAC transducer 4, the receiving terminal 9 of the output connecting analog front-end circuit of line driver 6, the input of ADC transducer 5 connects power amplifier 7, the transmitting terminal 8 of analog front circuit adopts BPF bandwidth-limited circuit chip, the input of power amplifier 7 connects above-mentioned BPF bandwidth-limited circuit chip, the receiving terminal 9 of analog front circuit is connected with electromagnetic coupler 10 by electromagnetic induction coil with BPF bandwidth-limited circuit chip, electromagnetic coupler 10 is connected with power line.What memory 1 adopted is existing general scratch pad memory, comprise that memory 1, MAC chip 2, PHY chip 3, DAC transducer 4, ADC transducer 5 use the AR7420 integrated chip, line driver 6 and power amplifier 7 use integrated chip AR1540, the receiving terminal 9 of BPF bandwidth-limited circuit chip and analog front circuit forms filter circuit, 10 of electromagnetic couplers can use the MP2303Q chip, and the FLASH chip is W25Q16BVSSIG.
Also comprise the PLL phase-locked loop chip 11 that is connected with ADC transducer 5 on embedded-type electric power carrier communication functional chip, be connected with the active crystal oscillator of 25M; GPIO general input/output port 12, be used for and light-emitting diode display between exchange of control information; And ethernet PHY chip 13, the ethernet PHY integrated chip is in the AR7420 integrated chip, and the data-signal that is used for exporting after 3 conversions of PHY chip transmits by network interface.
Also be provided with power supply on embedded-type electric power carrier communication functional chip, input supply voltage 12V and 3.3V, in order to provide
In a word, the foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (4)
1. embedded-type electric power carrier communication functional chip, it is characterized in that, comprise memory (1), MAC chip (2), PHY chip (3), DAC transducer (4), ADC transducer (5), line driver (6), power amplifier (7), the transmitting terminal of analog front circuit (8), the receiving terminal of analog front circuit (9), electromagnetic coupler (10), wherein, MAC chip (2) interconnects with PHY chip (3), MAC chip (2) connected storage (1), PHY chip (3) connects respectively DAC transducer (4) and ADC transducer (5), the output connection line driver (6) of DAC transducer (4), the receiving terminal (9) of the output connecting analog front-end circuit of line driver (6), the input of ADC transducer (5) connects power amplifier (7), the transmitting terminal (8) of the input connecting analog front-end circuit of power amplifier (7), the transmitting terminal (8) of the receiving terminal of analog front circuit (9) and analog front circuit is connected with electromagnetic coupler (10) by electromagnetic induction coil, electromagnetic coupler (10) is connected with power line.
2. embedded-type electric power carrier communication functional chip according to claim 1, is characterized in that, also comprises the PLL chip (11) that is connected with ADC transducer (5).
3. embedded-type electric power carrier communication functional chip according to claim 1, is characterized in that, also comprises GPIO chip (12), is used for to light-emitting diode display output control information.
4. embedded-type electric power carrier communication functional chip according to claim 1, is characterized in that, also comprises ethernet PHY chip (13), and the data-signal that is used for exporting after PHY chip (3) conversion transmits by network interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203793491U CN203301479U (en) | 2013-06-28 | 2013-06-28 | Embedded power line carrier communication functional chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203793491U CN203301479U (en) | 2013-06-28 | 2013-06-28 | Embedded power line carrier communication functional chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203301479U true CN203301479U (en) | 2013-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203793491U Expired - Lifetime CN203301479U (en) | 2013-06-28 | 2013-06-28 | Embedded power line carrier communication functional chip |
Country Status (1)
| Country | Link |
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| CN (1) | CN203301479U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109426164A (en) * | 2017-08-25 | 2019-03-05 | 上海芯龙半导体技术股份有限公司 | One carrier wave integrated circuit XL1193 for signal transmission in central air conditioner system |
-
2013
- 2013-06-28 CN CN2013203793491U patent/CN203301479U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109426164A (en) * | 2017-08-25 | 2019-03-05 | 上海芯龙半导体技术股份有限公司 | One carrier wave integrated circuit XL1193 for signal transmission in central air conditioner system |
| CN109426164B (en) * | 2017-08-25 | 2021-06-08 | 上海芯龙半导体技术股份有限公司 | Carrier integrated circuit for signal transmission in central air-conditioning system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Hangzhou City, Zhejiang Province, Binjiang District 310000 (pro) East Road No. 1805 Building 2 layer five Patentee after: ZHEJIANG XINZAILING TECHNOLOGY Co.,Ltd. Address before: 310052, Hangzhou, Zhejiang, Hangzhou Binjiang District Long River Street, east stream Road, No. 3, 1810, 3 Patentee before: HANGZHOU ZAILING ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20131120 |
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| CX01 | Expiry of patent term |