CN201357808Y - Bus access type wildcard burglary-resisting system for automobiles - Google Patents

Abstract

The utility model discloses a bus access type wildcard burglary-resisting system for automobiles, which is used for security protection and monitoring of the automobiles adopting bus network structures. The burglary-resisting system comprises a control unit as well as a bus driver, a storage unit and a jumper wire device which are electrically connected with the control unit respectively. The bus driver is inserted into the bus of an automobile; the jumper wire device provides at least two connection statuses for a user to set; characteristic data of at least two central locking control signals is prestored in the storage unit; according to different connection statuses of the jumper wire device, the control unit reads the corresponding characteristic data of a central locking control signal in the storage unit, extracts and identifies the control signals in the bus of a current automobile acquired by the bus driver; and whether the burglary-resisting status is set or not is determined according to the control signals. The bus access type wildcard burglary-resisting system for the automobiles provided by the utility model performs the wildcard function for the automobile burglary-resisting system adopting a bus access mode, thereby not only facilitating standardized production for manufacturers to lower the cost, but also helping users to realize standard configuration.

Description

Bus access wildcard type automotive theft proof system

[technical field]

The utility model relates to the automobile safety-security area, relates in particular to a kind of bus access wildcard type automotive theft proof system.

[technical background]

Traditional automotive theft proof system, whether lock in order to determine automobile, thereby set anti-theft system and whether enter anti-theft state, anti-theft system need insert the electrode place of central controlled lock and indicator with signal wire (SW), like this, there is complicated wiring relation between anti-theft system and the automotive interior circuit, but complexity is far above in this, also need and the side door testing circuit, the boot testing circuit, the engine case testing circuit, annex shelves (ACC) testing circuit, the parking brake testing circuit, the service brake testing circuit, the vehicle window testing circuit, the known circuit that is used for safety monitoring carries out wiring on speed of a motor vehicle control circuit or the like the automobile, obviously, the wiring of traditional automotive theft proof system is very complicated.

At present, along with CAN (Control Area Network, the control area net network) and the development of two kinds of bus access technologies of LIN (LocalInterconnect Network local internet network), each equipment on the automobile, instrument, functional module etc., as long as meet the standard that such bus inserts, the mode that just can adopt the modular design normalisation to insert is carried out interconnected, and traditional pass through direct wiring and read the mode of analog electrical signal and also change into and send control signal by in logic control end and transmit by bus, with by corresponding controlled terminal identification and do further processing.Thus, the relation of the component interconnection on the automobile develops along with the development of bussing technique.

Disclosed CN101072153 patent application on November 14th, 2007, a kind of CAN bus type automobile anti-theft alarm method and device thereof are disclosed, with the one-chip computer is the control core, gather lock car, release, vehicle door status information on the former car CAN bus by the CAN bus driver, simultaneously the alarm message that one-chip computer monitoring anti-theft alarm sensor is sent behind the lock car, drive alarming horn and report to the police.When occurring the corresponding data of lock car on the CAN bus, one-chip computer transfers the output signal that detects sensor for tilt angle to, and when inductor had been triggered output signal, one-chip computer was discerned and algorithm process immediately, to true induced signal, drive alarm work.When the data of release occurring on the CAN bus, one-chip computer drives annunciator and produces the sound equipment prompting.This device can make the succinct installation car alarm of CAN bus type automobile standard, and it is not compromised.Application of sensor for tilt angle makes that it is rational in infrastructure, it is simple to install, volume is small and exquisite, reliability is very high, and rate of false alarm is extremely low, and practicality improves greatly.

Although the mode that the CN101072153 patent application adopts bus to insert has overcome the shortcoming that multi-thread access way exists, but, automobile in the social life is by different manufacturer production, each tame manufacturer also continues to preserve own unique technique tricks of the trade after realizing normalisation, thereby, because the form difference of the control signal that various automobile bus networks send out even go into the formula automotive theft proof system with a kind of bus interface, can not cover and be applicable to all automobiles.In this case, the manufacturer of anti-theft system need be at the different product of different automobile vendor design, obviously science not.

[utility model content]

The utility model will overcome above-mentioned deficiency exactly, a kind of bus access wildcard type automotive theft proof system is provided, makes the same set of automotive theft proof system can be in the purpose in the automobile that after simply being provided with, is applicable to two or more at least employing different bus signal format to reach.

For realizing this purpose, the utility model adopts following technical scheme:

A kind of bus access wildcard type automotive theft proof system of the utility model is used for adopting the automobile of bus network to carry out safety monitoring, comprises control unit and the bus driver, memory cell, the bridle wire apparatus that electrically connect with it respectively.This bus driver inserts the bus of automobile; This bridle wire apparatus provides at least two kinds of coupled condition to be provided with for the user; Prestore the characteristic data of at least two kinds of central controlled lock control signals in this memory cell; Control unit is according to the characteristic data of a cooresponding central controlled lock control signal in the different reading cells of coupled condition of bridle wire apparatus, whether control signal in the current automobile bus that proposition and identification bus actuator obtain is set at anti-theft state according to this control signal decision.

Described bridle wire apparatus comprises attaching parts and at least three pins, and any two pins of this attaching parts conducting are identified as a kind of coupled condition for described control unit.As a kind of embodiment, be provided with the wire jumper translation circuit between described bridle wire apparatus and the control unit, be used for the coupled condition of bridle wire apparatus is converted to the electric signal state.In the another kind of embodiment, the pin of described bridle wire apparatus is directly drawn from this control unit.

Consider cost factor, described control unit adopts one-chip computer.

In addition, for safety protection function is finished in cooperation, this system also comprises:

Probe assembly is used for when anti-theft state surveying the various safe conditions of automobile;

Alarm assemblies, control unit monitor exist in the probe assembly non-safe as a result the time controlled unit drives report to the police.

Compared with prior art, the utility model possesses following advantage: at first, by increasing described memory cell and bridle wire apparatus, the manufacturer can be pre-stored in this memory cell after the feature collection with central controlled lock control signal in the bus of different automobile types, during this anti-theft system of user installation, according to the different wire jumper mode of self vehicle selection flexible and convenient is set; Secondly; thus; the manufacturer need only production standard production can be satisfied with multiple vehicle with a kind of anti-theft system; and needn't pin be its this vehicle customization anti-theft system because the central controlled lock signal of each concrete vehicle is different, productive costs can be further saved in the realization of scale and standardized production.

[description of drawings]

Fig. 1 is the functional block diagram of the bus access wildcard type type anti-theft system of the utility model preferred embodiment;

Fig. 2 is the functional block diagram of the bus access wildcard type type anti-theft system of another embodiment of the utility model.

[specific embodiment]

Below in conjunction with drawings and Examples the utility model is further described:

Please in conjunction with Fig. 1, in the preferred embodiment of the utility model bus access wildcard type automotive theft proof system, adopted simple relatively structure, comprise the bus driver 4 that inserts automobile bus 2, adopt the control unit 3 of one-chip computer, for providing the power supply of electric power, this control unit 3 supports circuit 5, electrically connect the memory cell 6 that is used to store intermediate variable and relevant setting with this control unit 3, be used to survey the probe assembly 7 of automobile associated safety state, the alarm assemblies 8 of 3 controls of controlled unit and work and offer the bridle wire apparatus (91,92) etc. that control unit 3 carries out initial configuration.

Described bus driver 4, insert in the bus network of automobile, be used to read the right of way signal of automobile bus network, and therefrom identify the control signal of central controlled lock, perhaps relevant therewith be used for other signal that the Control of Automobile car door is locked and unblanked, as the signal that cooperates the flicker of control indicator etc.Bus driver 4 exports described control unit 3 to after reading this central controlled lock control signal.

This control unit 3 by the central controlled lock control signal that reads bus driver 4 after, discerned, confirm as lock normally or unlocking signal after, current state is set to antitheft or removes theft-proof state respectively, show that the state that can be a variable on the program changes, after this control unit 3 can according at this variable as selecting to carry out the program of anti-thefting monitoring when characterizing anti-theft state, then select not carry out this program when perhaps characterizing non-anti-theft state for it.

Described probe assembly 7, generally include functional components such as side door testing circuit, boot testing circuit, engine case testing circuit, annex shelves (ACC) testing circuit, parking brake testing circuit, service brake testing circuit, vehicle window testing circuit, speed of a motor vehicle control circuit, the general serviceability that detects corresponding automobile position of such circuit, and generation characterizes the signal output of this serviceability to described control unit 3.This control unit 3 according to default programming logic, is analyzed the result of various circuit when anti-theft state, need to determine whether warning, in this way, then promote described alarm assemblies 8 and carry out work realization warning function.

Described alarm assemblies 8, comprise one of modes such as sound, light or its combination, for example, can warn by piping of loud speaker, also can reach the purpose of alarm by the irregular flicker of Control of Automobile car light, also can warn, even can send remote signal to far-end and notify by other similar parts such as telltales.

In the automobile that adapts to the life of current different vendor, dispose different bus network, and CAN or LIN, perhaps, for for a kind of bus network, because the central controlled lock that is adopted is from different vendor, perhaps different car manufactures adopts the control signal of different-format to the control of central controlled lock, therefore, the utility model is set up described bridle wire apparatus (91,92), and bridle wire apparatus (91 among Fig. 1,92) comprise a connection piece 91 and three pins 92, pin 92 is directly drawn from the pin of controlling unit 3, and attaching parts 91 connects wherein two pins 92, just can produce a coupled condition, the number of coupled condition is limited by the number of pin 92, pin 92 is many more, but the coupled condition of its subject of knowledge and the object of knowledge sign is also just many more, therefore, can dispose the described control signal of multiple difference by the quantity of control pin 92, so that this anti-theft system is applicable to multiple automobile.

Store the data of the feature of described various different control signals in the described memory cell 6, and the programming logic in the control unit 3 has been preset the one-to-one relationship between each characteristic data in described some coupled condition and the memory cell 6, thus, bridle wire apparatus (91,92) a coupled condition, under the identification of control unit 3, just the characteristic data of a central controlled lock control signal in the corresponding stored unit 6, control unit 3 reads in the right of way signal of the automobile bus that bus driver 4 obtained on the one hand, differentiate bridle wire apparatus (91 on the other hand, 92) read in characteristic of correspondence data in the memory cell 6 after the coupled condition, extract and discern central controlled lock control signal in the current automobile bus with this characteristic data, set anti-theft system and enter anti-theft state whether operation thereby just can carry out.

Thus, manufacturer only need provide automotive theft proof system of the present utility model, when just adorning for the user, on the basis of the feature of the central controlled lock control signal of understanding current automobile, set the coupled condition of bridle wire apparatus (91,92), just can finish the coupling installation process of anti-theft system and automobile.

See also another embodiment that Fig. 2 discloses, can carry out reinforcement on the function to anti-theft system of the present utility model, and form structural optimization.Particularly, in the present embodiment, this system has functional components such as the included bus driver of last embodiment 4, control unit 3, power supply support circuit 5, memory cell 6, alarm assemblies 8 and probe assembly 7, in addition, also set up a sensor for tilt angle 1, it is used for combining to reduce the False Rate of control unit 3 when differentiating the central controlled lock control signal with the programming logic of control unit 3.

And, than last embodiment, bridle wire apparatus (90 in the present embodiment, 91,92) also comprise a wire jumper translation circuit 90, itself and control unit 3 directly electrically connect, and provide number of pins 92 for being connected with a connection piece 91, wire jumper translation circuit 90 is converted to electric signal with the coupled condition of pin 92 and attaching parts 91 herein and directly offers control unit 3, and 3 of control units need this electric signal of identification just can directly make judgement about coupled condition.

In sum, the utility model bus access wildcard type automotive theft proof system has realized adopting the wildcard effect of the automotive theft proof system of bus access way, both has been convenient to manufacturer's standardized production with cost-cutting, is convenient to the user again and realizes standard configuration.

The foregoing description is the utility model preferred implementation; but embodiment of the present utility model not merely is restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.

Claims (6)

1, a kind of bus access wildcard type automotive theft proof system is used for adopting the automobile of bus network to carry out safety monitoring, it is characterized in that, comprising:

Control unit and the bus driver, memory cell, the bridle wire apparatus that electrically connect with it respectively;

This bus driver inserts the bus of automobile;

This bridle wire apparatus provides at least two kinds of coupled condition to be provided with for the user;

Prestore the characteristic data of at least two kinds of central controlled lock control signals in this memory cell;

Control unit is according to the characteristic data of a cooresponding central controlled lock control signal in the different reading cells of coupled condition of bridle wire apparatus, whether control signal in the current automobile bus that proposition and identification bus actuator obtain is set at anti-theft state according to this control signal decision.

2, bus access wildcard type automotive theft proof system according to claim 1, it is characterized in that: described bridle wire apparatus comprises attaching parts and at least three pins, and any two pins of this attaching parts conducting are identified as a kind of coupled condition for described control unit.

3, bus access wildcard type automotive theft proof system according to claim 2 is characterized in that: be provided with the wire jumper translation circuit between described bridle wire apparatus and the control unit, be used for the coupled condition of bridle wire apparatus is converted to the electric signal state.

4, bus access wildcard type automotive theft proof system according to claim 2 is characterized in that: the pin of described bridle wire apparatus is directly drawn from this control unit.

5, according to any described bus access wildcard type automotive theft proof system in the claim 1 to 4, it is characterized in that: described control unit is an one-chip computer.

6, according to any described bus access wildcard type automotive theft proof system in the claim 1 to 4, it is characterized in that this system also comprises:

Probe assembly is used for when anti-theft state surveying the various safe conditions of automobile;

Alarm assemblies, control unit monitor exist in the probe assembly non-safe as a result the time controlled unit drives report to the police.

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