CN203198918U - Vehicle-mounted audio control device and vehicle - Google Patents
Vehicle-mounted audio control device and vehicle Download PDFInfo
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- CN203198918U CN203198918U CN 201320154682 CN201320154682U CN203198918U CN 203198918 U CN203198918 U CN 203198918U CN 201320154682 CN201320154682 CN 201320154682 CN 201320154682 U CN201320154682 U CN 201320154682U CN 203198918 U CN203198918 U CN 203198918U
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Abstract
The utility model provides a vehicle-mounted audio control device and a vehicle. The vehicle-mounted audio control device comprises a comparer, the comparer is connected with a vehicular audio system and a vehicle body controller, so that vehicle identification codes and traveled distance data stored in the vehicular audio system are compared with vehicle identification codes and traveled distance data stored in the vehicle body controller to confirm whether the vehicular audio system is started. According to the vehicle-mounted audio control device, the internal comparer is used for comparing and verifying the vehicle identification codes and the traveled distance data stored in the vehicular audio system with the vehicle identification codes and the traveled distance data stored in the vehicle body controller, only when passing through the verification can the vehicular audio system be started. Therefore, the anti-theft effect of the vehicular audio system can be greatly improved, and the vehicular audio system is prevented from being stolen by others and used in other vehicles.
Description
Technical field
The utility model relates to automobile technical field, refers to especially a kind of vehicle audio control setup and vehicle.
Background technology
In recent years, along with the progress of expanding economy and society, private car has progressively entered family.Wherein for the research of vehicle anti-theft performance carried out very deep, improved the anti-theft effect of vehicle.But for the accessory in the car, the vehicle audio of fetch long price for example, its anti-theft effect is still poor.
In order to improve the anti-theft effect of vehicle audio, generally can set a password for vehicle audio in the prior art, this password is 4～6 numeral.Be cracked but this password is as easy as rolling off a log, safety is very poor.The vehicle audio of same brand is generally all preset identical initial password simultaneously, in case the car owner forgets Modify password then performs practically no function.Some vehicle audio is connected in the anti-joyride device of vehicle, but removes PA-system in case disconnect battery feed again, and the antitheft audible alarm of sound equipment then can not be triggered.If simultaneously the power down of sound equipment abnormity of power supply, power shortage or Password Input mistake are to tend to think that sound equipment is stolen and the sound equipment that is automatically locked need to be applied for release sound equipment or application new password to producer more than three times, the cycle of expending is long to bring puzzlement to user oneself.
The utility model content
The technical problems to be solved in the utility model provides a kind of more convenient but vehicle audio control setup and vehicle that theftproof performance is good.
For solving the problems of the technologies described above, embodiment of the present utility model provides a kind of vehicle audio control setup, comprise comparator, described comparator connects vehicle audio and car body controller and compares with vehicle identification code and the travelled distance of storing in the vehicle identification code of will store in the described vehicle audio and travelled distance and the car body controller, to determine whether to start described vehicle audio.
Wherein, described device also comprises read write line, described read write line connects car body controller and sends into comparator with the driving mileage data and the vehicle identification code data that read in the described car body controller, and described read write line also connects described vehicle audio and writes described vehicle audio with the described driving mileage data that will read in the car body controller; Described read write line also connects described comparator and sends into comparator with the driving mileage data that will read in the described vehicle audio.
Wherein, described read write line connects described vehicle audio and car body controller by Controller Area Network BUS.
Wherein, described vehicle audio is provided with scratch pad memory with the driving mileage data of store car.
Wherein, described comparator connects described vehicle audio and car body controller by Controller Area Network BUS.
Wherein, be provided with read-only memory (ROM) in the described vehicle audio to store described vehicle identification code.
Embodiment of the present utility model also provides a kind of vehicle, comprises aforesaid vehicle audio control setup.
The beneficial effect of technique scheme of the present utility model is as follows:
By a comparator vehicle identification code of storing in the vehicle audio and vehicle identification code and the driving mileage data in driving mileage data and the car body controller are compared verification in the such scheme, only verification by the time just start this vehicle audio.Can improve greatly like this anti-theft effect of vehicle audio, prevent from that other people from stealing to be installed on other vehicles behind the vehicle audio to use.Further the driving mileage data of vehicle can also be write at any time in the vehicle audio, can also further carry out verification by dynamic data like this, more improve safety.
Description of drawings
Fig. 1 is the structural representation of the vehicle audio control setup of the utility model embodiment;
Fig. 2 is vehicle audible device mileage backup diagram of circuit;
Fig. 3 is vehicle audible device start security authentication process figure;
Fig. 4 more renews the part diagram of circuit for vehicle audible device after sale;
Fig. 5 for car body controller after sale from vehicle audible device study backup mileage diagram of circuit.
The specific embodiment
For making the technical problems to be solved in the utility model, technical scheme and advantage clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The utility model has proposed a kind of vehicle audio control setup and vehicle for the poor problem of vehicle audio theftproof performance of existing vehicle.
As shown in Figure 1, the vehicle audio control setup of the utility model embodiment comprises comparator, described comparator connects vehicle audio and car body controller (Body Control Module, BCM), compare to determine whether to start described vehicle audio with vehicle identification code and the travelled distance of storing in the vehicle identification code of will store in the described vehicle audio and travelled distance and the car body controller.
Wherein, vehicle identification code (VIN) is unique vehicles identifications.In embodiment of the present utility model, when vehicle production rolls off the production line, the VIN code of vehicle is write car body controller and vehicle audio.In order to improve storage and efficient relatively, rear 8 of a VIN code of can picking up the car (totally 17) correspond to ASCII character with its every and store (totally 64) with 82 system numbers.Namely locked after in case the VIN code writes, can not remove or revise.Even stolen also can't being installed on other vehicles of vehicle audio used like this, make the burglar profitless, thereby reduce the stolen possibility of vehicle audio.Therefore, described car body controller is provided with read-only memory (ROM) to store described vehicle identification code.And also can be provided with read-only memory (ROM) in the vehicle audio to store described vehicle identification code.
Simultaneously, the utility model also is written to the driving mileage data of vehicle in the vehicle audio, when starting vehicle audio the driving mileage data in vehicle audio and the combination instrument is carried out verification.Can further increase like this anti-theft effect of vehicle audio.Therefore, described vehicle audio can be provided with scratch pad memory to store the driving mileage data of described vehicle.
Therefore, as shown in Figure 1, described vehicle audio is provided with scratch pad memory to store the driving mileage data of described vehicle.
As shown in Figure 1, described device connects described vehicle audio and car body controller by Controller Area Network BUS (CAN BUS); Concrete, comparator connects described vehicle audio and car body controller by Controller Area Network BUS (CAN BUS).
As shown in Figure 1, the device of the utility model embodiment also comprises read write line, described read write line connects the car body controller of vehicle and sends into comparator with the driving mileage data and the vehicle identification code data that read in the described car body controller, and described read write line also connects described vehicle audio and writes described vehicle audio with the described driving mileage data that will read in the car body controller; Described read write line also connects described comparator and sends into comparator with the driving mileage data that will read in the described vehicle audio.As shown in Figure 1, in the utility model embodiment, comparator is to connect described car body controller by read write line.
As shown in Figure 1, described read write line connects described vehicle audio and car body controller by Controller Area Network BUS.
Concrete, as shown in Figure 1, this car body controller can connect combination instrument dish (Instrument Control Module, ICM) to obtain driving mileage data.
Certainly, Fig. 1 just realizes a kind of structure of the present utility model, and those skilled in that art are appreciated that this vehicle audio control setup both can be parts that arrange separately, also can be built in the vehicle audio.
Simultaneously, embodiment of the present utility model also provides a kind of vehicle, comprises as the aforementioned vehicle audio control setup.
The vehicle audio control setup of the utility model embodiment, its principle of work is:
When vehicle audio is started shooting, need successively by the comparison accreditation of VIN code and backup mileage value, judge whether legal use of sound equipment.If not through safety certification, PA-system can not worked.
In the situation that the storage mileage is all lost in the combination instrument dish, car body controller, can be by the diagnostic operation of setting, make storage mileage in the car body controller study vehicle audio to recover the driving mileage data of vehicle, avoid the Vehicle-Miles of Travel loss of data.
Further, the vehicle audio of the utility model embodiment comprises the radio reception module, DVD player, and GPS navigation, the LCD touching display screen, the audio-visual playing module of iPod etc., the security authentication mechanism of PA-system master ECU realized the antitheft of auto audio equipment when it passed through start.
The below introduces the workflow of the vehicle audio control setup of the utility model embodiment in detail:
The information interaction of vehicle VIN code and total kilometrage, relate to major part combination instrument dish (Instrument Control Module is arranged, ICM), car body controller (Body Control Module, BCM), vehicle audio (In Car Entertainment, ICE), they are by CAN(Controller Area Network, controller local area network) bus realizes the information interaction of vehicle VIN code and total mileage data mileage number.
As shown in Figure 2, the mileage of vehicle audio backup flow process is:
Igniting powers on after the communication, and vehicle audio gathers " BCM_VIN " signal of car body controller issue and compares the driving mileage data driving mileage data with the VIN code of self storage;
If ICE_VIN is identical with BCM_VIN, then vehicle audio gathers the total kilometrage information (BCM_ODO) of car body controller issue, and compares; If ICE_ODO〉when BCM_ODO or ICE_ODO＜BCM_ODO-50, then ICE generates the unmatched failure code of ODO (total kilometrage), and the mileage backup is unsuccessful; If 0km＜(BCM_ODO-ICE_ODO)＜50km, then ICE covers current storing value with the BCM_ODO value that gathers;
If ICE_VIN is not identical with BCM_VIN, then ICE generates the unmatched failure code of VIN.
As shown in Figure 3, vehicle audio start security authentication process is:
During the vehicle audio start, vehicle audio gathers " BCM_VIN " value of car body controller issue and compares with the VIN code of self storing;
If BCM_VIN is identical with ICE_VIN: then vehicle audio gathers the total kilometrage value (BCM_ODO) of car body controller issue, and compare; If ICE_ODO=BCM_ODO, the ICE accreditation is passed through, sound equipment start work; If ICE_ODO ≠ BCM_ODO, and continuous three times relatively mileage is unequal, and then the ICE accreditation is not passed through, and sound equipment demonstration accreditation is not passed through, and closes shielding.
If BCM_VIN is not identical with ICE_VIN, then ICE generates the unmatched failure code of VIN, and accreditation is not passed through, and sound equipment is not worked and closed screen.
As shown in Figure 4, vehicle audio more renews the part flow process and is after sale:
Behind the PA-system that more renews, the igniting communication that powers on, adopt diagnostic equipment after sale that vehicle VIN code is write ICE, and sends the diagnosis command of backup mileage study, after ICE receives the diagnosis command of backup mileage study, read " BCM_VIN " value of car body controller issue and compare with the VIN code of self storing; If ICE_VIN=BCM_VIN, ICE read the BCM_ODO value and judge BCM_ODO〉during ICE_ODO, study BCM_ODO value is also stored; If ICE_VIN ≠ BCM_VIN, the study of ICE mileage is unsuccessful.
As shown in Figure 5, car body controller from vehicle audio study backup mileage flow process is after sale:
In the situation that the storage mileage is all lost in the combination instrument, car body controller, when the igniting communication that powers on, adopting after sale, diagnostic equipment sends the diagnosis request instruction of BCM backup mileage study to ICE, after ICE receives the diagnosis request instruction of BCM backup mileage study, send total kilometrage value and the VIN code information of ICE storage in event frame mode, car body controller receives " ICE_VIN " value and compares with the VIN code of self storing; If ICE_VIN=BCM_VIN and ICE_ODO 〉=BCM_ODO, BCM gather mileage value and the storage of ICE issue; If ICE_VIN ≠ BCM_VIN or ICE_ODO＜BCM_ODO, the study of BCM mileage is unsuccessful.
By a comparator vehicle identification code of storing in the vehicle audio and vehicle identification code and the driving mileage data in driving mileage data and the car body controller are compared verification in the such scheme, only verification by the time just start this vehicle audio.Can improve greatly like this anti-theft effect of vehicle audio, prevent from that other people from stealing to be installed on other vehicles behind the vehicle audio to use.Further the driving mileage data of vehicle can also be write at any time in the vehicle audio, can also further carry out verification by dynamic data like this, more improve safety.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. vehicle audio control setup, it is characterized in that, comprise comparator, described comparator connects vehicle audio and car body controller and compares with vehicle identification code and the travelled distance of storing in the vehicle identification code of will store in the described vehicle audio and travelled distance and the car body controller, to determine whether to start described vehicle audio.
2. vehicle audio control setup according to claim 1, it is characterized in that, described device also comprises read write line, described read write line connects car body controller and sends into comparator with the driving mileage data and the vehicle identification code data that read in the described car body controller, and described read write line also connects described vehicle audio and writes described vehicle audio with the described driving mileage data that will read in the car body controller; Described read write line also connects described comparator and sends into comparator with the driving mileage data that will read in the described vehicle audio.
3. vehicle audio control setup according to claim 2 is characterized in that, described read write line connects described vehicle audio and car body controller by Controller Area Network BUS.
4. vehicle audio control setup according to claim 1 is characterized in that, described vehicle audio is provided with scratch pad memory with the driving mileage data of store car.
5. vehicle audio control setup according to claim 1 is characterized in that, described comparator connects described vehicle audio and car body controller by Controller Area Network BUS.
6. vehicle audio control setup according to claim 1 is characterized in that, is provided with read-only memory (ROM) in the described vehicle audio to store described vehicle identification code.
7. a vehicle is characterized in that, comprises each described vehicle audio control setup such as claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320154682 CN203198918U (en) | 2013-03-29 | 2013-03-29 | Vehicle-mounted audio control device and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320154682 CN203198918U (en) | 2013-03-29 | 2013-03-29 | Vehicle-mounted audio control device and vehicle |
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| Publication Number | Publication Date |
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| CN203198918U true CN203198918U (en) | 2013-09-18 |
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| CN 201320154682 Expired - Lifetime CN203198918U (en) | 2013-03-29 | 2013-03-29 | Vehicle-mounted audio control device and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099689A (en) * | 2014-05-15 | 2015-11-25 | 比亚迪股份有限公司 | Replacing system and method for vehicle electronic device |
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2013
- 2013-03-29 CN CN 201320154682 patent/CN203198918U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099689A (en) * | 2014-05-15 | 2015-11-25 | 比亚迪股份有限公司 | Replacing system and method for vehicle electronic device |
| CN105099689B (en) * | 2014-05-15 | 2019-12-10 | 比亚迪股份有限公司 | replacement system and method for vehicle-mounted electronic equipment |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171010 Address after: 102606 Beijing City Economic Development Zone, Daxing District Caiyu mining and Road No. 1 Patentee after: BAIC BJEV Address before: 101300 Beijing City Renhe Town Shunyi District Shuanghe Street No. 99 Patentee before: BAIC MOTOR Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130918 |
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| CX01 | Expiry of patent term |