CN204498155U - Car networked terminals communication switched system and car networked system - Google Patents
Car networked terminals communication switched system and car networked system Download PDFInfo
- Publication number
- CN204498155U CN204498155U CN201520057224.6U CN201520057224U CN204498155U CN 204498155 U CN204498155 U CN 204498155U CN 201520057224 U CN201520057224 U CN 201520057224U CN 204498155 U CN204498155 U CN 204498155U
- Authority
- CN
- China
- Prior art keywords
- networked terminals
- car networked
- car
- communication
- communication module
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Small-Scale Networks (AREA)
Abstract
The utility model discloses a kind of car networked terminals communication switched system and car networked system, this car networked terminals communication switched system comprises multiple car networked terminals, for connecting car networking and carrying out the communication module of data interaction with multiple car networked terminals, data switching blocks, data switching blocks comprises the multichannel data passage corresponding with multiple car networked terminals and the control end for controlling every circuit-switched data channel conductive or closedown, control end is connected to communication module, each car networked terminals includes FPDP and PORT COM, communication module is connected to through same bus after the PORT COM parallel connection of multiple car networked terminals, the FPDP of multiple car networked terminals respectively through a circuit-switched data expanding channels to communication module.Car networked terminals is by bus notification communication module, and communication module is opened data channel again and carried out data interaction.This bus obtains the mode of communication request, and structure is simple, and real-time is high, does not need extra high performance controller, and cost reduces.
Description
Technical field
The utility model relates to automotive electronics and communication field, more particularly, relates to a kind of car networked terminals communication switched system and car networked system.
Background technology
Along with popularizing of car networking, various difference in functionality module has had the demand of access car networking, and as high in the clouds speech recognition needs networking, Long-distance Control automobile needs networking, and Online Music needs to network, and large data analysis needs networking etc.Under the pressure of the pressure of cost, it is irrational that each functional module is all equipped with communication module, when automobile Optical Fiber Transmission cost does not slowly fall, utilizes the processor of high-performance multiplex roles to become the selection of a lot of main engine plants.As shown in Figure 1, each networked terminals is connected to communication module through a high-performance processor, if need to access N number of networked terminals, high-performance processor needs to be equipped with N+1 interface, and when sending data, each networked terminals sends the data to high-performance processor, after high-performance processor process, communication module is issued in unification, sent by communication module again, and the data that communication module receives, send to each networked terminals by high-performance processor selectivity.Therefore, the real-time of the communication modes of existing networked terminals is inadequate, and higher to the performance requirement of processor, price is not cheap yet.And further, when the networked terminals of access exceedes some, the interface depending merely on a processor is difficult to support, often needs to be realized by expansion interface, thus makes complex structure further, increases cost.
Utility model content
The technical problems to be solved in the utility model is, above-mentioned Realtime Capability of Communication for prior art is poor, be difficult to support too much networked terminals number quantitative limitation defect to the high cost caused of the performance requirement of processor interface that is high, processor, provides a kind of Realtime Capability of Communication is high, communication cost is low car networked terminals communication switched system and car networked system.
The utility model solves the technical scheme that its technical problem adopts: construct a kind of car networked terminals communication switched system, comprise multiple car networked terminals, for connecting car networking and carrying out the communication module of data interaction with described multiple car networked terminals, data switching blocks, described data switching blocks comprises the multichannel data passage corresponding with described multiple car networked terminals and the control end for controlling every circuit-switched data channel conductive or closedown, described control end is connected to described communication module, each car networked terminals includes FPDP and PORT COM, described communication module is connected to through same bus after the PORT COM parallel connection of described multiple car networked terminals, the FPDP of described multiple car networked terminals is connected to described communication module through data channel described in a road respectively.
Car networked terminals communication switched system described in the utility model, wherein, described bus is CAN, LIN bus or K bus.
Car networked terminals communication switched system described in the utility model, wherein, described data switching blocks is multi-channel analog selector switch or USB diverter switch.
Car networked terminals communication switched system described in the utility model, wherein, described multi-channel analog selector switch comprises the dual channel high speed USB2.0 diverter switch that several models are FSUSB30MUX.
Car networked terminals communication switched system described in the utility model, wherein, described multi-channel analog selector switch comprises the 4 passage numeral control simulation switches that model is CD4052.
Car networked terminals communication switched system described in the utility model, wherein, described communication module comprises the SIMCOM_CDMA/EVDO module that model is SIM6320C.
Car networked terminals communication switched system described in the utility model, wherein, described multiple car networked terminals comprises: car body control module, DVD navigation host, alarm and failure diagnosis standard interface.
The invention also discloses a kind of car networked system, comprise service centre and multiple car-mounted terminal, each car-mounted terminal carries out data communication via car networking with described service centre, and described car-mounted terminal comprises described car networked terminals communication switched system.
Implement car networked terminals communication switched system of the present utility model and car networked system, there is following beneficial effect: in the utility model, each car networked terminals carries out data interaction by data switching blocks and communication module, car networked terminals is first by bus notification communication module, communication module opens data channel corresponding to this car networked terminals again, network-in-dialing and then carry out data interaction.This bus obtains the mode of communication request, and structure is simple, and real-time is high, and during data interaction, only with opening corresponding data channel, do not need extra high performance controller, cost reduces greatly.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation of conventional car networked terminals communication switched system;
Fig. 2 is the structural representation of car networked terminals communication switched system of the present utility model;
Fig. 3 is the logical construction schematic diagram of data switching blocks in car networked terminals communication switched system of the present utility model.
Embodiment
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
As shown in Figure 2, be the structural representation of car networked terminals communication switched system of the present utility model.
Car networked terminals communication switched system of the present utility model, comprise communication module 100, data switching blocks 200 and multiple car networked terminals, communication module 100 is for connecting car networking and carrying out data interaction with described multiple car networked terminals, described data switching blocks 200 comprises the multichannel data passage corresponding with described multiple car networked terminals and the control end for controlling every circuit-switched data channel conductive or closedown, described control end is connected to described communication module 100, each car networked terminals includes FPDP and PORT COM, described communication module 100 is connected to through same bus after the PORT COM parallel connection of described multiple car networked terminals, the FPDP of described multiple car networked terminals is connected to described communication module 100 through a corresponding described data channel respectively.
Wherein, conventional car networked terminals comprises: car body control module (BCM), DVD navigation host, alarm and failure diagnosis standard interface (OBD2).Car body control module, for the control of car door, car light, windscreen wiper, central controlled lock etc.DVD navigation host be a kind ofly to play based on DVD, the on-vehicle host of navigation feature, it is generally used for replacing the CD main frame of former car, support digital map navigation, CMMB Digital Television, one-touch bluetooth handsfree, multimedia etc.
It should be explicitly made clear at this point, the quantity of car networked terminals does not limit, and be only that distance illustrates, such as car networked terminals can also comprise the anti-clip module controlled for rising window herein.
Wherein, described bus can be CAN, LIN bus or K bus, does not limit this.
Described communication module 100 can adopt model to be the SIMCOM_CDMA/EVDO module of SIM6320C, and certainly, the type of communication module 100 does not limit, and only illustrates herein.
Data switching blocks 200 can be multi-channel analog selector switch, or USB diverter switch, the dual channel high speed USB2.0 diverter switch of to be model the be FSUSB30MUX such as, selected in preferred embodiment.
With reference to figure 3, FSUSB30MUX as dual channel high speed USB2.0 diverter switch, have a pair fixing D+/D-FPDP, HSD1+/HSD1-and HSD2+/HSD2-is respectively a pair FPDP of changeable selection;
for enable port, S is for selecting port.
for high level, then all passages are all in closed condition;
for low level and S is low level, then D+/D-and HSD1+/HSD1-is communicated with, the data channel conducting namely corresponding to HSD1+/HSD1-, and the data channel corresponding to HSD2+/HSD2-is closed; If
for low level and S is high level, then D+/D-and HSD2+/HSD2-is communicated with, the data channel conducting namely corresponding to HSD2+/HSD2-, and the data channel corresponding to HSD1+/HSD1-is closed.
A visible FSUSB30MUX possesses two paths of data passage, every circuit-switched data passage can bind a car networked terminals, therefore can choose several FSUSB30MUX according to the quantity of car networked terminals to combine, such as the situation in the present embodiment with 4 car networked terminals, 3 FSUSB30MUX can be chosen, with reference in figure 3,3 FSUSB30MUX chosen are designated as K1, K2, K3 respectively.
D+/D-and K1 of K1, the enable port of K2, K3
with the port selecting port S to be all connected to communication module 100 correspondence.The FPDP HSD1+ of K1 is connected to the FPDP D1+ of K2, and the FPDP HSD1-of K1 is connected to the FPDP D-of K2, and the FPDP HSD2+ of K1 is connected to the FPDP D1+ of K3, and the FPDP HSD2-of K1 is connected to the FPDP D-of K3.Like this, be made up of the two paths of data passage of K2, K3 and form 4 circuit-switched data passages.
For realizing the control of communication module 100 pairs of data switching blocks 200, preferably, for the ease of opening up the quantity of car networked terminals flexibly, dsp chip/single-chip microcomputer/microprocessor that communication module 100 can adopt the SIM6320C of responsible data interaction and responsible data channel to select.
Operation principle of the present utility model is as follows:
When uploading data, the car networked terminals sending data is needed to be sent in bus by solicited message, communication module 100 directly obtains this solicited message from bus, and then the car networked terminals sending this solicited message is identified according to this solicited message, if the FPDP HSD1+/HSD1-of the K2 that this car networked terminals connects, namely corresponding is first via data channel, and now, communication module 100 can send the enable port of high level to K3
send the enable port of low level to K1 and K2
send the selection port S of low level to K1 and K2, so, the FPDP HSD1+/HSD1-of FPDP D+/D-and the K2 of K1 is communicated with, and car networked terminals and the communication module 100 of the FPDP HSD1+/HSD1-of the K2 of connection carry out transfer of data via this data channel.
It should be explicitly made clear at this point, data switching blocks 200 is not limited to USB diverter switch, can be that other controlled electronic switches or multi-channel analog selector switch are combined to form.For certain the car networked terminals sending two paths of signals, two models can be adopted to be that the 4 passages numeral control simulation switches of CD4052 are in charge of two paths of signals and are realized transfer of data, each CD4052 inside has 4 passages, each passage has a sub-switch, the conducting of each passage can be controlled by the state controlling each sub-switch, communication module 100 can control the conducting of corresponding sub-switch by exporting corresponding signal to the binary system control input end of CD4052, and then realizes and being communicated with of certain car networked terminals.The model of multi-channel analog selector switch is chosen and is not limited, and what such as, take for the situation of 4 car networked terminals in the present embodiment is 4 passages numeral control simulation switches, certainly when increasing car networked terminals, can select 6 passages or 8 passages etc.
In addition, the model of USB diverter switch and quantity are chosen and are not limited, what such as, take for the situation of 4 car networked terminals in the present embodiment is 4 dual channel high speed USB2.0 diverter switches, certainly when increasing car networked terminals, can according to circumstances change, such as 5-8 car networked terminals constantly, 7 dual channel high speed USB2.0 diverter switches can be adopted to combine, by that analogy.
The invention also discloses a kind of car networked system, comprise service centre and multiple car-mounted terminal, each car-mounted terminal carries out data communication via car networking with described service centre, and described car-mounted terminal comprises described car networked terminals communication switched system.
In sum, in the utility model, each car networked terminals carries out data interaction by data switching blocks and communication module, and car networked terminals is first by bus notification communication module, communication module opens data channel corresponding to this car networked terminals again, network-in-dialing and then carry out data interaction.This bus obtains the mode of communication request, and structure is simple, and real-time is high, during data interaction, only with opening corresponding data channel, do not need extra high performance controller, cost reduces greatly, and can open up the quantity of the car networked terminals filling access by the quantity increasing data channel.
By reference to the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; do not departing under the ambit that the utility model aim and claim protect, also can make a lot of form, these all belong within protection of the present utility model.
Claims (8)
1. a car networked terminals communication switched system, it is characterized in that, comprise multiple car networked terminals, for connecting car networking and carrying out the communication module (100) of data interaction with described multiple car networked terminals, data switching blocks (200), described data switching blocks (200) comprises the multichannel data passage corresponding with described multiple car networked terminals and the control end for controlling every circuit-switched data channel conductive or closedown, described control end is connected to described communication module (100), each car networked terminals includes FPDP and PORT COM, described communication module (100) is connected to through same bus after the PORT COM parallel connection of described multiple car networked terminals, the FPDP of described multiple car networked terminals is connected to described communication module (100) through data channel described in a road respectively.
2. car networked terminals communication switched system according to claim 1, is characterized in that, described bus is CAN, LIN bus or K bus.
3. car networked terminals communication switched system according to claim 1, is characterized in that, described data switching blocks (200) is multi-channel analog selector switch or USB diverter switch.
4. car networked terminals communication switched system according to claim 3, is characterized in that, described multi-channel analog selector switch comprises the dual channel high speed USB2.0 diverter switch that several models are FSUSB30MUX.
5. car networked terminals communication switched system according to claim 3, is characterized in that, described multi-channel analog selector switch comprises the 4 passage numeral control simulation switches that model is CD4052.
6. car networked terminals communication switched system according to claim 1, is characterized in that, described communication module (100) comprises the SIMCOM_CDMA/EVDO module that model is SIM6320C.
7. car networked terminals communication switched system according to claim 1, is characterized in that, described multiple car networked terminals comprises: car body control module, DVD navigation host, alarm and failure diagnosis standard interface.
8. a car networked system, comprise service centre and multiple car-mounted terminal, each car-mounted terminal carries out data communication via car networking with described service centre, and it is characterized in that, described car-mounted terminal comprises the car networked terminals communication switched system as described in any one of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520057224.6U CN204498155U (en) | 2015-01-27 | 2015-01-27 | Car networked terminals communication switched system and car networked system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520057224.6U CN204498155U (en) | 2015-01-27 | 2015-01-27 | Car networked terminals communication switched system and car networked system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204498155U true CN204498155U (en) | 2015-07-22 |
Family
ID=53577429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520057224.6U Expired - Fee Related CN204498155U (en) | 2015-01-27 | 2015-01-27 | Car networked terminals communication switched system and car networked system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204498155U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111010327A (en) * | 2019-12-31 | 2020-04-14 | 斑马网络技术有限公司 | Remote management system and method for vehicle-machine networking |
| CN112600711A (en) * | 2020-12-21 | 2021-04-02 | 上海星融汽车科技有限公司 | Real vehicle bus data remote cloning system and method |
-
2015
- 2015-01-27 CN CN201520057224.6U patent/CN204498155U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111010327A (en) * | 2019-12-31 | 2020-04-14 | 斑马网络技术有限公司 | Remote management system and method for vehicle-machine networking |
| CN112600711A (en) * | 2020-12-21 | 2021-04-02 | 上海星融汽车科技有限公司 | Real vehicle bus data remote cloning system and method |
| CN112600711B (en) * | 2020-12-21 | 2023-03-14 | 上海星融汽车科技有限公司 | Real vehicle bus data remote cloning system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204161358U (en) | Based on automotive voice control system and the automobile of terminal | |
| CN102545875B (en) | Level identification switching circuit | |
| CN204498155U (en) | Car networked terminals communication switched system and car networked system | |
| CN203911921U (en) | Vehicle-mounted system and intelligent terminal interconnecting system | |
| CN109818840A (en) | A kind of car networking terminal device information interactive system | |
| CN108702341A (en) | sending device, sending method and communication system | |
| CN103558780A (en) | Car-mounted bus controller | |
| CN203614726U (en) | Electronic gear shifting system and automobile | |
| CN201989733U (en) | Network topology structure for intelligent control of automobile as well as automobile | |
| CN114338290A (en) | Vehicle-mounted Ethernet gateway system | |
| CN1996923A (en) | LIN-bus based car lamp control system | |
| CN204286455U (en) | A kind of upgrading navigational system based on Automobile screen display device | |
| CN105991666A (en) | Internet-of-Vehicles terminal communication switching system and Internet-of-Vehicles system | |
| CN205693650U (en) | A kind of vehicle-mounted antenna system | |
| CN105404271A (en) | Centralized body control system and identity early warning method thereof | |
| CN209913823U (en) | Data conversion device and photoelectric conversion network system | |
| CN202264644U (en) | Steering wheel control module of vehicle-mounted multimedia entertainment system | |
| CN203688795U (en) | Large power compound switch | |
| CN105216717A (en) | The CAN communication circuit of vehicle remote controller | |
| CN201707563U (en) | Vehicle body control module adopting parallel-series conversion on-off input | |
| CN209299461U (en) | Car microphone topological structure | |
| CN203606824U (en) | Circuit achieving intelligent serial port multiplexing through multi-way switch | |
| CN202602677U (en) | A vehicle-mounted gateway controller | |
| CN205263805U (en) | Support carplay's USB equipment | |
| CN202475616U (en) | Device and system supporting switching of multiple paths of video signals |
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: 20150722 Termination date: 20170127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |