CN102957822B - Programmable logic controller modem with embedded third generation (3G)/fourth generation (4G) network module - Google Patents
Programmable logic controller modem with embedded third generation (3G)/fourth generation (4G) network module Download PDFInfo
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- CN102957822B CN102957822B CN201210471122.XA CN201210471122A CN102957822B CN 102957822 B CN102957822 B CN 102957822B CN 201210471122 A CN201210471122 A CN 201210471122A CN 102957822 B CN102957822 B CN 102957822B
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Abstract
The invention discloses a programmable logic controller modem with an embedded third generation (3G)/fourth generation (4G) network module. The programmable logic controller modem comprises a central processor, a 3G/4G network module, a transmitting/receiving filter and a power module, wherein the power module, the transmitting/receiving filter and the central processor are sequentially and electrically connected together, and the 3G/4G network module is electrically connected onto the central processor. The 3G/4G network module is embedded into the programmable logic controller modem, so that the programmable logic controller modem can access the internet through using a 3G/4G network, accordingly, the wiring cost is reduced, and the mounting cost is thus reduced; and circuits do not need to be laid, so that the programmable logic controller modem is simple to install, and accordingly, the purposes of mounting simply and lowering the mounting cost are realized.
Description
Technical field
The present invention relates to network communication field, particularly, relate to a kind of Homeplug embedding 3G/4G mixed-media network modules mixed-media.
Background technology
Existing Homeplug technology can realize the network service under same power bus, but system exists more defect, comprising: (1) existing Homeplug must access fixing netting twine, and cause wiring complicated, inconvenience is disposed; (2) existing Homeplug cannot access to mobile network signal, can only access fixed network signal (3) and can not receive and transmit 3G/4G network signal, cannot guarantee the 3G/4G network signal intensity in room.
Summary of the invention
The object of the invention is to, for the problems referred to above, propose a kind of Homeplug embedding 3G/4G mixed-media network modules mixed-media, simple and easy to realize installation, reduce the advantage of installation cost.
For achieving the above object, the technical solution used in the present invention is:
A kind of Homeplug embedding 3G/4G mixed-media network modules mixed-media, comprise central processing unit, 3G/4G mixed-media network modules mixed-media, sending/receiving filter and power module, described power module, sending/receiving filter and central processing unit are electrically connected successively, and described 3G/4G mixed-media network modules mixed-media is connected electrically on central processing unit.
Further, described central processing unit is electrically connected indicator light.
Further, described 3G/4G mixed-media network modules mixed-media arranges sim card slot.
Technical scheme of the present invention, by embedding 3G/4G mixed-media network modules mixed-media in Homeplug, make Homeplug can use 3G/4G network insertion network, thus decrease wiring cost, thus reduce installation cost, without laying-out, Homeplug is installed simple, thus it is simple and easy to achieve installation, reduce the object of installation cost.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the Homeplug theory diagram of the embedding 3G/4G mixed-media network modules mixed-media described in the embodiment of the present invention;
Fig. 2 is the electrical circuit diagram of the filter circuit described in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
As shown in Figure 1, a kind of Homeplug embedding 3G/4G mixed-media network modules mixed-media, comprise central processing unit, 3G/4G mixed-media network modules mixed-media, sending/receiving filter and power module, power module, sending/receiving filter and central processing unit are electrically connected successively, and 3G/4G mixed-media network modules mixed-media is connected electrically on central processing unit.
Wherein, central processing unit is electrically connected indicator light.3G/4G mixed-media network modules mixed-media arranges sim card slot.Central processing unit, a kind of Intelligent treatment chip (cpu), this chip constitutes the signal processing of PLC, the modulation realizing electric-power wire communication signal is reconciled, the steering D/A conversion of power line signal, converts the electric power signal after reconciling ethernet communication signal to or converts ethernet communication signal to electric power signal.3G/4G mixed-media network modules mixed-media, in order to receive 3G/4G mobile network communication signal, is then passed to central processing unit.Sending/receiving filter, receives the electric power signal from central processing unit, carries out signal bandpass filtering and low noise amplification to it.Power module, for alternating current being converted to the chip operating voltage of system works, being coupled to electric power signal on power line simultaneously, or extracting electric power signal from power line.Indicator light, is used to indicate equipment current operating state, can establish 3 indicator lights, represents power supply indicator, Ethernet data indicator light, electric power data indicator light respectively.
Its specific works process is as follows:
1, the 3G/4G mixed-media network modules mixed-media of main Homeplug receives the mobile network communication signal from the external world, is sent to central processing unit through 3G/4G mixed-media network modules mixed-media.
2, central processing unit receives mobile network communication signal, converts thereof into electric power model, sends sending/receiving filter to, is then sent to power module, is coupled on power line by power module, is sent on indoor electrical network.
3, if user needs data to be sent on the Internet, just the network signal that user is transmitted is sent on the Homeplug matched, converts network signal to electric power signal again through central processing unit, have indoor power grid to be sent on main Homeplug.
4, the electric power source pair of module of main Homeplug its carry out electric power signal extraction, then send sending/receiving filter to, signal bandpass filtering and low noise amplification carried out to it, then passes to central processing unit.
5, central processing unit converts electric power signal to mobile mobile communication signal, is passed to 3G/4G mixed-media network modules mixed-media, is sent on the Internet by data message.
Filter circuit wherein in sending/receiving filter as shown in Figure 2, comprise transport and placing device U1, transport and placing device U2 and transport and placing device U3, series resistance R1 on the inverting input of described transport and placing device U1, shunt capacitance C1 and resistance R2 between the inverting input of described transport and placing device U1 and the output of transport and placing device U1, the in-phase input end ground connection of described transport and placing device U1, series resistance R3 between the inverting input of described transport and placing device U1 and the output of transport and placing device U2, series capacitance C2 between the inverting input of described transport and placing device U2 and the output of transport and placing device U2, the in-phase input end ground connection of described transport and placing device U2, series resistance R4 between the inverting input of described transport and placing device U2 and the output of transport and placing device U3, the inverting input of described transport and placing device U3 is connected on the output of transport and placing device U1, its in-phase input end ground connection.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. one kind embeds the Homeplug of 3G/4G mixed-media network modules mixed-media, comprise central processing unit, 3G/4G mixed-media network modules mixed-media, sending/receiving filter and power module, described power module, sending/receiving filter and central processing unit are electrically connected successively, and described 3G/4G mixed-media network modules mixed-media is connected electrically on central processing unit, it is characterized in that, filter circuit in sending/receiving filter, comprise transport and placing device U1, transport and placing device U2 and transport and placing device U3, series resistance R1 on the inverting input of described transport and placing device U1, shunt capacitance C1 and resistance R2 between the inverting input of described transport and placing device U1 and the output of transport and placing device U1, the in-phase input end ground connection of described transport and placing device U1, series resistance R3 between the inverting input of described transport and placing device U1 and the output of transport and placing device U2, series capacitance C2 between the inverting input of described transport and placing device U2 and the output of transport and placing device U2, the in-phase input end ground connection of described transport and placing device U2, series resistance R4 between the inverting input of described transport and placing device U2 and the output of transport and placing device U3, the inverting input of described transport and placing device U3 is connected on the output of transport and placing device U1, its in-phase input end ground connection.
2. the Homeplug of embedding 3G/4G mixed-media network modules mixed-media according to claim 1, is characterized in that, described central processing unit is electrically connected indicator light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210471122.XA CN102957822B (en) | 2012-11-20 | 2012-11-20 | Programmable logic controller modem with embedded third generation (3G)/fourth generation (4G) network module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210471122.XA CN102957822B (en) | 2012-11-20 | 2012-11-20 | Programmable logic controller modem with embedded third generation (3G)/fourth generation (4G) network module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102957822A CN102957822A (en) | 2013-03-06 |
| CN102957822B true CN102957822B (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210471122.XA Expired - Fee Related CN102957822B (en) | 2012-11-20 | 2012-11-20 | Programmable logic controller modem with embedded third generation (3G)/fourth generation (4G) network module |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086883B (en) * | 2017-05-02 | 2020-06-02 | 深圳市海亿康科技有限公司 | Method for realizing pairing of power modems through internet access communication |
| CN107580156A (en) * | 2017-08-25 | 2018-01-12 | 南京南业电子科技有限公司 | A kind of multi output end Homeplug |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6839792B2 (en) * | 2000-12-15 | 2005-01-04 | Innovative Concepts, Inc. | Data modem |
| CN201893783U (en) * | 2010-11-30 | 2011-07-06 | 深圳市共进电子有限公司 | Homeplug |
| CN102523018A (en) * | 2011-12-16 | 2012-06-27 | 中兴通讯股份有限公司 | Terminal connecting wireless wide area network with power carrier wave network, charging device and method |
| CN202889469U (en) * | 2012-11-20 | 2013-04-17 | 无锡乾煜信息技术有限公司 | Homeplug with embedded 3G/4G network module |
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2012
- 2012-11-20 CN CN201210471122.XA patent/CN102957822B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN102957822A (en) | 2013-03-06 |
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Granted publication date: 20150325 Termination date: 20181120 |