CN203896345U - Broadband carrier wave signal communication system based on automobile power line - Google Patents
Broadband carrier wave signal communication system based on automobile power line Download PDFInfo
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- CN203896345U CN203896345U CN201420276000.XU CN201420276000U CN203896345U CN 203896345 U CN203896345 U CN 203896345U CN 201420276000 U CN201420276000 U CN 201420276000U CN 203896345 U CN203896345 U CN 203896345U
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- automobile power
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- 238000012544 monitoring process Methods 0.000 description 4
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Abstract
The utility model discloses a broadband carrier wave signal communication system based on an automobile power line. The broadband carrier wave signal communication system comprises a signal sending terminal and a signal receiving terminal, the signal sending terminal comprises a signal acquisition module, an Ethernet interface module, a PLC processor and a carrier wave communication module of the signal sending terminal, the signal receiving terminal comprises a carrier wave communication module of the signal receiving terminal, a PLC processor, an Ethernet interface module, and a display device, the signal acquisition module, the Ethernet interface module, and the PLC processor of the signal sending terminal and the carrier wave communication module of the signal sending terminal are connected in sequence, the carrier wave communication module of the signal receiving terminal, the PLC processor, the Ethernet interface module, and the display device of the receiving terminal are connected in sequence, and the carrier wave communication module of the signal sending terminal and the carrier wave communication module of the signal receiving terminal are connected via the automobile power line. According to the broadband carrier wave signal communication system, the power line is employed to transmit broadband signals, a vehicle is not needed to be tuned, the security is high, and the stability is good.
Description
Technical field
The utility model relates to vehicle signal transmission technique field, relates in particular to a kind of broadband carrier signal communication system based on automobile power line.
Background technology
The main employing of signal transmission wire transmission on existing vehicle, also there is part signal to adopt wireless transmission, the shortcoming of wire transmission is mainly that vehicle is preferably first good by holding wire cloth before dispatching from the factory, if need wiring if the vehicle after dispatching from the factory need to install electronic product additional, except being accused of reequiping vehicle, the automobile that also has the problem, particularly headstock of the aspects such as stability fail safe to separate, even if want to install additional all very difficult; And employing wireless signal transmission, stability is not high, and the metal part of vehicle even can cause cannot wireless transmission.
Particularly, for the signal transmission of truck, because truck vehicle body is longer, adopt wireless transmission possibility lower, and truck headstock can separate with compartment, wire transmission is also very difficult, need to add joint, connects up also difficult, is accused of reequiping vehicle.
Utility model content
The utility model provides a kind of broadband carrier signal communication system based on automobile power line, adopts power line transmission broadband signal, does not need to reequip vehicle, safe, good stability.
For solving above technical problem, the utility model provides a kind of broadband carrier signal communication system based on automobile power line, comprise signal sending end and signal receiving end, described signal sending end comprises signal acquisition module, ethernet interface module, PLC processor and carrier communication module, described signal receiving end comprises carrier communication module, PLC processor, ethernet interface module, display device, the signal acquisition module of described signal sending end, ethernet interface module, PLC processor is connected successively with carrier communication module, the carrier communication module of described signal receiving end, PLC processor, ethernet interface module, display device connects successively, the carrier communication module of described signal sending end is connected by automobile power line with the carrier communication module of described signal receiving end.
Further, described signal sending end also comprises analog to digital converter, and described signal acquisition module is connected by the ethernet interface module of described analog to digital converter and described signal sending end.
Further, described signal receiving end also comprises digital to analog converter, and the ethernet interface module of described signal receiving end is connected with described display device by described digital to analog converter.
Further, described signal receiving end also comprises wifi module, and the ethernet interface module of described signal receiving end is connected with described display device by described wifi module.
Further, the ethernet interface module of described signal sending end is specially MII interface chip.The ethernet interface module of described signal receiving end is specially MII interface chip.
Further, the carrier communication module of described signal sending end comprises oscillating circuit, power amplifier, T/R pole changer and coupling circuit, described oscillating circuit, power amplifier, T/R pole changer and coupling circuit are connected successively and access described automobile power line, and described oscillating circuit also connects the PLC processor of described signal sending end.
Further, the carrier communication module of described signal receiving end comprises coupling circuit, T/R pole changer, described coupling circuit connects automobile power line, and described T/R pole changer one end connects described coupling circuit, and the other end connects the PLC processor of described signal receiving end.
Compared with prior art, the beneficial effects of the utility model are:
1, adopt power line signal transmission, a line double-purpose, do not need vehicle to transform, cost is low, and handled easily is safe, good stability;
2, adopt ethernet interface module signal to be converted to the broadband signal of ethernet format, make the power line can transmission of audio, video, data, broadband, the signals such as control, optimum wideband can reach 100M, so can realize multi-signal transmits simultaneously, when meeting multiple vehicle electronics product, use, can realize very easily vehicle backing backsight, tire pressure monitoring, fuel tank monitoring, antitheft, tailstock automation equipment installs additional etc. simultaneously, and be independent of each other between each equipment, improve greatly the fail safe of truck, can be handling and the possibility that realizes of automaticity,
3, automobile power source spider lines is become to On-board LAN, for multiple electronics mobile unit in the future time, install and use, Long-distance Control, real-time upgrading etc. provide support.
Brief description of the drawings
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 some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the system block diagram of the broadband carrier signal communication system based on automobile power line that provides of the utility model embodiment;
Fig. 2 is the concrete structure block diagram of the carrier communication module of signal sending end and the carrier communication module of signal receiving end in Fig. 1.
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, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment provides a kind of broadband carrier signal communication system based on automobile power line, as shown in Figure 1, comprise signal sending end 10 and signal receiving end 20, described signal sending end 10 comprises signal acquisition module 101, ethernet interface module 102, PLC processor 103 and carrier communication module 104, described signal receiving end 20 comprises carrier communication module 201, PLC processor 202, ethernet interface module 203, display device 204, the signal acquisition module 101 of described signal sending end 10, ethernet interface module 102, PLC processor 103 is connected successively with carrier communication module 104, the carrier communication module 201 of described receiving terminal 20, PLC processor 202, ethernet interface module 203, display device 204 connects successively, described carrier communication module 104 is connected by automobile power line 30 with described carrier communication module 201.
Wherein, what ethernet interface module 103 was concrete can be MII interface chip, and what ethernet interface module 203 was concrete can be also MII interface chip.
Wherein, the digital information that signal acquisition module 101 needs for gathering automobile, ethernet interface module 102 is for being converted to the digital information information of collection the broadband signal of ethernet format; PLC processor 103, for being converted to the broadband signal of ethernet format the suitable broadband carrier signal in automobile power line 30 transmission; The carrier communication module 104 of signal sending end 10 transmits in the described suitable broadband carrier signal in automobile power line 30 transmission is loaded into automobile power line 30 networks; The broadband carrier signal that the carrier communication module 201 of signal receiving end 20 transmits for receiving automobile power line 30 networks; PLC processor 202 is for recovering former broadband signal, ethernet interface module 203 for being digital signal by the broadband signal reverse transformation of recovery from broadband carrier signal; Display device 204, for showing the digital signal of inverse conversion.
If the signal that signal acquisition module 101 gathers is analog signal, described signal sending end 10 also comprises analog to digital converter (not shown), described signal acquisition module 101 is connected by the ethernet interface module 102 of described analog to digital converter and described signal sending end 10, and analog to digital converter is sent to ethernet interface module 102 after digital signal again and processes in order to the analog signal of collection is converted to.
If the information that display device 204 needs is analog signal, described signal receiving end 20 also comprises digital to analog converter (not shown), the ethernet interface module 203 of described signal receiving end 20 is connected with described display device 204 by described digital to analog converter, and digital to analog converter is sent to display device 204 after transferring analog signal to for the digital signal that ethernet interface module 203 is exported.
If display device 204 is mobile terminal, such as panel computer, navigator, smart mobile phone etc., described signal receiving end 20 also comprises wifi module (not shown), the ethernet interface module 203 of described signal receiving end 20 is connected with described display device 204 by described wifi module, and the signal that wifi module is used for ethernet interface module 203 to export is by being wirelessly sent to display device 204.
As shown in Figure 2, the carrier communication module 104 of described signal sending end 10 specifically comprises oscillating circuit 1041, power amplifier 1042, T/R pole changer 1043 and coupling circuit 1044, oscillating circuit 1041, power amplifier 1042, T/R pole changer 1043 and coupling circuit 1044 are connected successively and access automobile power line 30, and described oscillating circuit 1041 also connects the PLC processor 103 of described signal sending end 10.The carrier communication module 201 of described signal receiving end 20 comprises coupling circuit 2011, T/R pole changer 2012, described coupling circuit 2011 connects automobile power line 30, described T/R pole changer 2012 one end connect described coupling circuit 2011, and the other end connects the PLC processor 202 of described signal receiving end 20.Concrete, in the time sending data, oscillating circuit 1041 provides a carrier signal, make PLC processor 103 Ethernet broadband signal is converted to the broadband signal of suitable transmission in automobile power line 30, then broadband signal is delivered to power amplifier 1042 and amplified, then through T/R pole changer 1043 and coupling circuit 1044, signal loading is transmitted to automobile power line 30.While receiving data, receive the signal of transmission on automobile power line 30 by coupling circuit 2011, T/R pole changer 2012, and be sent to PLC processor 202.
The utility model can be for truck reverse backsight system.Because truck vehicle body is longer, wireless transmission is impossible, and headstock can separate with compartment, wire transmission is also very difficult, need to add joint, connects up also difficult, be accused of reequiping vehicle, all existing trucks do not have reverse backsight system at all, and and the back-sight visual system relatively popularized of existing compact car, truck more needs reverse backsight system.Adopt the utility model, signal acquisition module is specially camera, camera is installed on to the position that automobile tail is suitable, then the video output signals of camera is transmitted according to the utility model, signal receiving end in driver's cabin just can outputting video signal to display device, complete the transmission of reverse image.
The utility model can also be used for truck tire pressure alarm system, existing tire pressure alarm system adopts wireless transmission conventionally, consider that in tire, sensing transmitter transmitting power is especially little, accept distance very near, only have several meters, be only suitable in dilly, and truck is because vehicle body is oversize, cannot realize radio tire pressure at all and report to the police.Adopt the utility model, truck can be realized tire pressure and report to the police, only signal sending end of the present utility model need to be installed near truck trailing wheel, connect the power line of getting on the car, signal receiving end is installed in driver's cabin, concrete signal acquisition module collection be tire pressure, the same with above-mentioned reverse backsight system, in driver's cabin, can obtain tire pressure alarm signal.
Compared with prior art, the beneficial effects of the utility model are:
1, adopt power line signal transmission, a line double-purpose, do not need vehicle to transform, cost is low, and handled easily is safe, good stability;
2, adopt ethernet interface module by the broadband signal of signal conversion position ethernet format, make the power line can transmission of audio, video, data, broadband, the signals such as control, optimum wideband can reach 100M, so can realize multi-signal transmits simultaneously, when meeting multiple vehicle electronics product, use, can realize very easily vehicle backing backsight, tire pressure monitoring, fuel tank monitoring, antitheft, tailstock automation equipment installs additional etc. simultaneously, and be independent of each other between each equipment, improve greatly the fail safe of truck, can be handling and the possibility that realizes of automaticity,
3, automobile power source spider lines is become to On-board LAN, for multiple electronics mobile unit in the future time, install and use, Long-distance Control, real-time upgrading etc. provide support.
Above disclosed is only a kind of preferred embodiment of the utility model, certainly can not limit with this interest field of the utility model, and the equivalent variations of therefore doing according to the utility model claim, still belongs to the scope that the utility model is contained.
Claims (8)
1. the broadband carrier signal communication system based on automobile power line, it is characterized in that, comprise signal sending end and signal receiving end, described signal sending end comprises signal acquisition module, ethernet interface module, PLC processor and carrier communication module, described signal receiving end comprises carrier communication module, PLC processor, ethernet interface module, display device, the signal acquisition module of described signal sending end, ethernet interface module, PLC processor is connected successively with carrier communication module, the carrier communication module of described signal receiving end, PLC processor, ethernet interface module, display device connects successively, the carrier communication module of described signal sending end is connected by automobile power line with the carrier communication module of described signal receiving end.
2. the broadband carrier signal communication system based on automobile power line as claimed in claim 1, it is characterized in that, described signal sending end also comprises analog to digital converter, and described signal acquisition module is connected by the ethernet interface module of described analog to digital converter and described signal sending end.
3. the broadband carrier signal communication system based on automobile power line as claimed in claim 1, it is characterized in that, described signal receiving end also comprises digital to analog converter, and the ethernet interface module of described signal receiving end is connected with described display device by described digital to analog converter.
4. the broadband carrier signal communication system based on automobile power line as claimed in claim 1, it is characterized in that, described signal receiving end also comprises wifi module, and the ethernet interface module of described signal receiving end is connected with described display device by described wifi module.
5. the broadband carrier signal communication system based on automobile power line as claimed in claim 1, is characterized in that, the ethernet interface module of described signal sending end is specially MII interface chip.
6. the broadband carrier signal communication system based on automobile power line as claimed in claim 1, is characterized in that, the ethernet interface module of described signal receiving end is specially MII interface chip.
7. the broadband carrier signal communication system based on automobile power line as claimed in claim 1, it is characterized in that, the carrier communication module of described signal sending end comprises oscillating circuit, power amplifier, T/R pole changer and coupling circuit, described oscillating circuit, power amplifier, T/R pole changer and coupling circuit are connected successively and access described automobile power line, and described oscillating circuit also connects the PLC processor of described signal sending end.
8. the broadband carrier signal communication system based on automobile power line as claimed in claim 1, it is characterized in that, the carrier communication module of described signal receiving end comprises coupling circuit, T/R pole changer, described coupling circuit connects automobile power line, described T/R pole changer one end connects described coupling circuit, and the other end connects the PLC processor of described signal receiving end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420276000.XU CN203896345U (en) | 2014-05-27 | 2014-05-27 | Broadband carrier wave signal communication system based on automobile power line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420276000.XU CN203896345U (en) | 2014-05-27 | 2014-05-27 | Broadband carrier wave signal communication system based on automobile power line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203896345U true CN203896345U (en) | 2014-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420276000.XU Expired - Lifetime CN203896345U (en) | 2014-05-27 | 2014-05-27 | Broadband carrier wave signal communication system based on automobile power line |
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| Country | Link |
|---|---|
| CN (1) | CN203896345U (en) |
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2014
- 2014-05-27 CN CN201420276000.XU patent/CN203896345U/en not_active Expired - Lifetime
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Granted publication date: 20141022 |