CN1913382A - Short distance radio transmission system between vehicle electronic component - Google Patents
Short distance radio transmission system between vehicle electronic component Download PDFInfo
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- CN1913382A CN1913382A CN 200510091192 CN200510091192A CN1913382A CN 1913382 A CN1913382 A CN 1913382A CN 200510091192 CN200510091192 CN 200510091192 CN 200510091192 A CN200510091192 A CN 200510091192A CN 1913382 A CN1913382 A CN 1913382A
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Abstract
This invention relates to a short distance radio transmission system among car-carried electronic elements, which divides multiple car-carried electronic elements into several groups, each one in a group can be serial by bus then connected to a blue tooth module and has an identifying code, when information is transmitted by an element via the connected blue tooth module, the identifying code to be transmitted to the destination is transferred together with the information, so that the blue tooth module connected to the element corresponding to the identifying code of the destination can receive the data correctly.
Description
Technical field
The present invention refers to a kind of interelement short distance radio transmission system of vehicle electronics that is applicable to especially about a kind of short distance radio transmission system.
Background technology
All be equipped with the electronic component of many miscellaneous functions now on the automobile, for example guider, automobile-used sound equipment, multimedia video and audio device, driving assistance system and device for mobile communication ... etc.Each other if need transmission signal, but be configured in remote position in the car between these electronic installations, often cause the lead that wiring needs are quite grown in the car to connect the trouble that depot's assembling operation is also suitable.
Especially after vehicle dispatched from the factory, the car owner was equipped with as if desiring to add other electronics voluntarily, and the reservation distribution is not arranged again on the car, and this moment, the car owner need pull down seat, carpet, plaque in the car again ... wait the ability rewiring, quite time-consuming taking a lot of work; Afterwards, re-assembly back seat, carpet, plaque again ... wait accessory in the various cars, cause assembling bad, or vision is not good, or produces different sound, all imperfect.
Summary of the invention
The present invention includes for the interelement short distance radio transmission system of a kind of vehicle electronics: one first electronics group and one second electronics group.Wherein, the first electronics group includes one first short-distance wireless conveyer, at least one first electronic component, it is electrically connected the above-mentioned first short-distance wireless conveyer and first electronic component to reach one first connecting line.Each first electronic component definition has one first identification code.The above-mentioned second electronics group then includes one second short-distance wireless receiver, at least one second electronic component and one second connecting line, and it is electrically connected the above-mentioned second short-distance wireless receiver and this at least one second electronic component.Each second electronic component definition has one second identification code.
Above-mentioned first electronic component transmits one first data transmission to the first short-distance wireless conveyer by first connecting line, and the first short-distance wireless conveyer sends out first data transmission is wireless again.Wherein, in first data transmission and include at least one first destination identification code, it is corresponding to above-mentioned second electronic component one at least.Above-mentioned second short-distance wireless receiver and above-mentioned first data transmission of wireless receiving, and then send pairing second electronic component of at least one first destination identification code to by second connecting line.
Therefore, adjoining electronic component can be connected to each other by connecting line, the electronic component that distance is far away is then linked up wirelessly each other via short-distance wireless receiver and short-distance wireless transmitter, so can avoid the hardship that the coiling of wiring long lead is difficult in the car, more but elasticity increases electronic component new or that change, makes vehicle have more variability, is more suitable for each car owner's use.
Wherein, the above-mentioned first short-distance wireless transmitter and the second short-distance wireless receiver all can be respectively blue bud wireless module or 802.11 modules or infrared module or microwave module ... etc., or other equivalent short-distance wireless communication device all can.
Wherein, first connecting line and second connecting line all can be respectively general lead, optic fibre wire or any bus all can, all can have identical functions.
Description of drawings
Fig. 1 is the system architecture diagram of a preferred embodiment of the present invention.
Fig. 2 is actual enforcement state diagram in the car of another preferred embodiment of the present invention.
Fig. 3 is the system architecture diagram of another preferred embodiment of the present invention.
Symbol description among the figure:
11 roof groups 21 of motor vehicles 10 master control groups
Group's 31 blue bud wireless module 13 blue bud wireless modules 23 behind the car
Blue bud wireless module 23 buses 110,210,310
Guider 14 driving assistance systems 15 automobile-used sound equipments 16
Control unit 17 tool display unit rearview mirrors 25
Temperature-sensing device 26 skylights 24 disc accessings 35
Air purification device 34 temperature-sensing devices 36 disc accessings 45
Device for mobile communication 44 blue bud wireless modules 401,411,421,441
Embodiment
Fig. 1 is the interior system architecture diagram of the car of a preferred embodiment of the present invention, the interelement short distance radio transmission system of vehicle electronics of the present invention is loaded on the motor vehicles 10, its Che Neiche (hardness) includes group 31 behind master control group 11, roof group 21 and the car, that is present embodiment is that several electronic components that will be close to earlier are online respectively to form three groups.
As shown in Figure 1, master control group 11 in comprised a blue bud wireless module 13, a guider 14, driving assistance system 15, one an automobile-used sound equipment 16 and a control unit 17.Above-mentioned electronic component is coupled together with a bus 110, and it is preferable adopting controller local area network's bus (Controller Area Network Bus, CAN Bus) in the present embodiment.
In addition, roof group 21 is as the term suggests formed by the electronic component that is assembled on the roof, couple together as shown in Figure 1 in respect of a blue bud wireless module 23, a skylight 24, a tool display unit rearview mirror 25 and a temperature-sensing device 26, and with a CAN bus 210.
Group 31 was made up of the electronic component that is positioned at motor vehicles 10 rear ends after Fig. 1 showed car again, comprised a blue bud wireless module 33, an air purification device 34, a disc accessing 35 and a temperature-sensing device 36, and coupled together with a CAN bus 310.
Each electronic component in above-mentioned each group all has been defined a unique identifier in advance, can use as identification each other in the time of can making things convenient for data to transmit.
For instance, be linked to air conditioner in the car of master control group 11 (figure does not show) just comes automatic control compressor or warming machine according to the temperature in the crew department running, but the temperature in the crew department is also unequal usually, therefore, control unit 17 must collect temperature T 1 that the place ahead temperature-sensing device 26 detected simultaneously, the temperature T 2 that detected with rear temperature-sensing device 36 and to be added the General Logistics Department average.At this moment, the temperature-sensing device 26 that belongs to roof group 21 can load the temperature T 1 that detects in the package earlier, and will receive object---the identification code of control unit 17 also adds in the package, deliver to blue bud wireless module 23 via its CAN bus 210, and by blue bud wireless module 23 with wireless the sending of above-mentioned package.
Owing to have this destination in the above-mentioned package---the identification code of control unit 17, so other blue bud wireless module 13,33 when receiving, can be detected earlier this identification code voluntarily whether among the group of itself.Therefore, blue bud wireless module 33 can detect this identification code and not belong to group 31 behind its car, so can not comprehend this package.Yet it is to represent the control unit 17 of itself master control group 11 that blue bud wireless module 13 can detect this identification code, thus have only blue bud wireless module 13 this package can be accepted, and send control unit 17 to via CAN bus 110.
Same, belong to that the temperature-sensing device 36 of group 31 also adds the destination again with the temperature T 2 of detecting behind the car---after the identification code of control unit 17, pass to blue bud wireless module 33 via its CAN bus 310, and wireless sending.Have only the blue bud wireless module 13 of master control group 11 can confirm that it contains the identification code of its group inner control unit 17 and is received, and passes to control unit 17 via CAN bus 110 again.So control unit 17 can be received two different temperatures T1, T2 also gives on average, as the foundation of air-conditioner operation.
Certainly, above-mentioned each group 11,21, the data between 31 is not limited in one-way transmission, because general blue bud wireless module 13,23,33 is with emission and reception, so this example also can be made the transmitted in both directions function.In fact, this routine control unit 17 also can start or the order that stops group 31 and have the identification code of air purification device 34 behind the car via blue bud wireless module 13 wireless transmission one, and by blue bud wireless module 33 wireless receivings, and then start or turn off air purification device 34 by CAN bus 310.Owing to contain the on purpose identification code of an air purification device 34 in this startup or the order that stops, making blue bud wireless module 33 can correctly receive, also correctly pass to air purification device 34.
For the disc accessing 35 of group behind the car 31, VCD player for example, very possible transmission data is to two different elements, it similarly is the automobile-used sound equipment 16 that the source of sound data is just delivered to master control group 11, in order to automobile-used sound equipment 16 playing back music, the track data is then delivered to the tool display unit rearview mirror 25 of roof group 21, and can show at the track number of playing, or even song, the lyrics, singer's title etc.Therefore, when disc accessing 35 sends data, its destination identification code can have two groups or more than, be respectively the identification code of tool display unit rearview mirror 25 and the identification code of automobile-used sound equipment 16, and receive respectively by blue bud wireless module 13 and blue bud wireless module 23, be resent to corresponding device, with broadcast and the demonstration of finishing music.
As a same reason, the driver can issue an order to the skylight 24 of roof group 21 via the control unit 17 of master control group 11, and skylight 24 is opened; Or the relevant display message that navigation system 14 will be navigated reaches on the tool display unit rearview mirror 25, and is shown that junction ahead need turn left or right-hand rotation etc.; Driving assistance system 15 more can be in the same manner, cuisine variety street, key scenic spot, public place of entertainment near prompting on the tool display unit rearview mirror 25 ... etc.
Below be another embodiment, Fig. 2 is actual enforcement state diagram in the car of the present invention, and please contrast the system architecture diagram of the correspondence of Fig. 3.Wherein, automobile-used Music centre loudspeaker 41 is installed on the car door, and is connected to a blue bud wireless module 411.Disc accessing 45 is arranged at driver's seat the place ahead, and is connected to a blue bud wireless module 401.When the car owner desires playing back music, disc accessing 45 reads the music information on the CD, and deliver to blue bud wireless module 401 via lead, blue bud wireless module 401 is delivered to blue bud wireless module 411 car door on together with the purpose identification code with wireless mode with this music information again, when blue bud wireless module 411 receives and differentiates the purpose identification code and corresponds to automobile-used Music centre loudspeaker 41, deliver to automobile-used Music centre loudspeaker 41 via lead again and broadcasted.Therefore, change new automobile-used Music centre loudspeaker 41 if drive human desires, or desire the disc accessing 45 that more renews, all need not dismantle car door plaque or instrument board or the wiring of pulling strings again, again linking upward after only need changing the outfit respectively, original blue bud wireless module 411,401 gets final product.
Fig. 3 shows that the blue bud wireless module 401 in driver's seat the place ahead is not limited in and connects disc accessing 45, all can be connected with blue bud wireless module 401 together and forms a huge electronics group such as guider 40, driving assistance system 43... etc.In this electronics group, each electronic component all must have its identification code separately, in order to blue bud wireless module 401 in the usefulness that receives or discern during the emission data.
In addition, transfer of data also is not limited only between two electronics groups, more has from a group to be sent to the situation of two groups in addition.For example, control centre is online when asking the way when the driving of driver and a distant place, relevant waiter's voice data and path data all can be received by device for mobile communication 44, and via blue bud wireless module 441 wireless blue bud wireless module 411 and the blue bud wireless modules 401 of sending to, and broadcast voice by automobile-used Music centre loudspeaker 41 respectively, and the screen of being shared by driving assistance system 43 and guider 40 comes display position.Also be not have this when play multimedia such as DVD, VCD, disc accessing 45 reads image and the music information on the CD, and send via blue bud wireless module 401, the identification code that includes in the image data corresponding to the display unit 42 at seat rear receives in order to blue bud wireless module 421, and the identification code that then includes corresponding automobile-used Music centre loudspeaker 41 in the music information receives in order to blue bud wireless module 411.Therefore blue bud wireless module 421 and blue bud wireless module 411 can receive required data accurately, and are sent to display unit 42 and automobile-used Music centre loudspeaker 41 respectively, and then are play.
As seen from the above embodiment, the present invention by means of short-distance wireless transmission/receiver to replace the numerous and diverse distribution of tradition and the difficult assembling operation of coiling, the driver more can be at the demand of itself, at any time the electronics that increases or reduce on the car is equipped with, all needn't dismantle in the various cars accessory again or re-assembly back again, make motor vehicles 10 be more suitable for each car owner, also have more elasticity and change.
The foregoing description is only given an example for convenience of description, and the interest field that the present invention advocated should be as the criterion so that the claim scope is described certainly, but not only limits to the foregoing description.
Claims (6)
1. the interelement short distance radio transmission system of vehicle electronics is characterized in that, comprising:
One first electronics group, include one first short-distance wireless conveyer, at least one first electronic component, and one first connecting line its be electrically connected this first short-distance wireless conveyer and this at least one first electronic component, each first electronic component defines one first identification code; And
One second electronics group, include one second short-distance wireless receiver, at least one second electronic component, and one second connecting line its be electrically connected this second short-distance wireless receiver and this at least one second electronic component, each second electronic component defines one second identification code;
Wherein, this at least one first electronic component transmits one first data transmission to this first short-distance wireless conveyer by this first connecting line, first data transmission is wireless sends out with this again for this first short-distance wireless conveyer, this first data transmission and include at least one first destination identification code its corresponding to above-mentioned second electronic component one at least;
Wherein, this first data transmission of this second short-distance wireless receiver and wireless receiving, and then send pairing second electronic component of this at least one first destination identification code to by this second connecting line.
2. the interelement short distance radio transmission system of vehicle electronics as claimed in claim 1, it is characterized in that, this second electronics group more includes one second short-distance wireless conveyer, and it is electrically connected to this at least one second electronic component via this second connecting line, and this first electronics group more includes one first short-distance wireless receiver, and it is electrically connected to this at least one first electronic component via this first connecting line;
Wherein, this at least one second electronic component transmits one second data transmission to this second short-distance wireless conveyer by this second connecting line, second data transmission is wireless sends out with this again for this second short-distance wireless conveyer, this second data transmission and include at least one second destination identification code its corresponding to above-mentioned first electronic component one at least;
Wherein, this second data transmission of this first short-distance wireless receiver and wireless receiving, and then send pairing first electronic component of this at least one second destination identification code to by this first connecting line.
3. the interelement short distance radio transmission system of vehicle electronics as claimed in claim 1, it is characterized in that, more comprise at least one the 3rd electronics group, each the 3rd electronics group includes one the 3rd short-distance wireless receiver, at least one the 3rd electronic component, it is electrically connected the 3rd short-distance wireless receiver and this at least one the 3rd electronic component to reach one the 3rd connecting line, and each the 3rd electronic component definition has one the 3rd identification code;
Wherein, this at least one first electronic component transmits one the 3rd data transmission to this first short-distance wireless conveyer by this first connecting line, this first short-distance wireless conveyer sends out the 3rd data transmission is wireless again, the 3rd data transmission and include at least one the 3rd destination identification code its corresponding to above-mentioned the 3rd electronic component one at least;
Wherein, the 3rd short-distance wireless receiver and wireless receiving the 3rd data transmission, and then send pairing the 3rd electronic component of this at least one the 3rd destination identification code to by the 3rd connecting line.
4. the interelement short distance radio transmission system of vehicle electronics as claimed in claim 1, it is characterized in that, more comprise at least one the 3rd electronics group, each the 3rd electronics group includes one the 3rd short-distance wireless conveyer, at least one the 3rd electronic component, it is electrically connected the 3rd short-distance wireless conveyer and this at least one the 3rd electronic component to reach one the 3rd connecting line;
Wherein, this at least one the 3rd electronic component transmits one the 3rd data transmission to the 3rd short-distance wireless conveyer by the 3rd connecting line, the 3rd short-distance wireless conveyer sends out the 3rd data transmission is wireless again, the 3rd data transmission and include at least one the 3rd destination identification code its corresponding to above-mentioned second electronic component one at least;
Wherein, this second short-distance wireless receiver and wireless receiving the 3rd data transmission, and then send pairing second electronic component of this at least one the 3rd destination identification code to by this second connecting line.
5. the interelement short distance radio transmission system of vehicle electronics as claimed in claim 1 is characterized in that, this first short-distance wireless transmitter, with this second short-distance wireless receiver be respectively a blue bud wireless module.
6. the interelement short distance radio transmission system of vehicle electronics as claimed in claim 1 is characterized in that, this first connecting line and this second connecting line are respectively controller local area network's bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510091192 CN1913382A (en) | 2005-08-09 | 2005-08-09 | Short distance radio transmission system between vehicle electronic component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510091192 CN1913382A (en) | 2005-08-09 | 2005-08-09 | Short distance radio transmission system between vehicle electronic component |
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| Publication Number | Publication Date |
|---|---|
| CN1913382A true CN1913382A (en) | 2007-02-14 |
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| CN 200510091192 Pending CN1913382A (en) | 2005-08-09 | 2005-08-09 | Short distance radio transmission system between vehicle electronic component |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110753332A (en) * | 2019-10-24 | 2020-02-04 | 上海银基信息安全技术股份有限公司 | Data processing method and device based on Bluetooth SIG MESH and terminal to be unlocked |
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2005
- 2005-08-09 CN CN 200510091192 patent/CN1913382A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110753332A (en) * | 2019-10-24 | 2020-02-04 | 上海银基信息安全技术股份有限公司 | Data processing method and device based on Bluetooth SIG MESH and terminal to be unlocked |
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Open date: 20070214 |