CN2512672Y

CN2512672Y - Automobile anti-theft device capable of tracking

Info

Publication number: CN2512672Y
Application number: CN01274310U
Authority: CN
Inventors: 刘泽; 叶芸; 韩俊波
Original assignee: Nokia Shanghai Bell Co Ltd
Current assignee: Nokia Shanghai Bell Co Ltd
Priority date: 2001-12-19
Filing date: 2001-12-19
Publication date: 2002-09-25
Anticipated expiration: 2011-12-19

Abstract

The utility model relates to a car theft proof device capable of tracking. The utility model is characterized in that the utility model comprises a shell, an integrated GSM terminal hardware, a GSM terminal physical layer, an agreement warehouse and an information control unit for the GSM position. The information control unit comprises a power module, a processor, a SIM connector, a radio frequency module, a frequency/ base coding and decoding module, a flash/RAM memory, an E 2 PROM memory, a SIM card and an antenna connector; as the utility model is provided with an integrated GSM terminal hardware, a GSM terminal physical layer, an agreement warehouse and an information control unit for the GSM position, the utility model can send and receive dispatch order, analyze and process GSM position information. Therefore the utility model not only can realize the automatic alarming, but also can realize the effective position to the car through the advantage of GSM which has a wide network covering and the network position information. Moreover, the terminal can directly send the position information through the short message and will not enhance the load of the network information. The utility model provides a GSM information control unit on the GSM communication module, thereby reducing the terminal cost and enhancing the elusive of the device.

Description

A kind of traceable alarms and security systems for automobiles

Technical field

The utility model relates to a kind of traceable alarms and security systems for automobiles, relates in particular to the traceable alarms and security systems for automobiles that a kind of change with GSM (global system for mobile communications) network location information triggers warning and stolen vehicle is followed the tracks of.

Background technology

Along with popularizing of automobile, vehicle anti-theft becomes people's question of common concern.Nowadays there is quite a few vehicle all to be equipped with Car Burglar Alarm.But what car alarm on the market was primarily aimed at present is that illegal the intrusion reported to the police, that is: when automobile is trespassed (as sled car door, broken vehicle window etc.), pipe with loudspeaker and produce to report to the police, cut off to start the main line (as circuit, oil circuit etc.) of automobile simultaneously, thereby make car stealer's vehicle that can't drive away reach antitheft purpose.But there is following defective in these Car Burglar Alarms: one, and owing to Car Burglar Alarm links to each other with automobile line by sensor, disguised variation, thus reduced theft-proof reliability; Its two, in case the failure of trespass reporting to the police can't be followed the tracks of stolen vehicle.

Summary of the invention

The purpose of this utility model is to provide a kind of novel traceable alarms and security systems for automobiles, this device volume is little, be convenient to hidden, can trigger warning with the change of GSM network location information, require this Car Burglar Alarm can provide the location information of vehicle simultaneously according to server instruction, to the tracking of vehicle with search, improve theft-proof reliability with convenient stolen back.

The purpose of this utility model is achieved in that a kind of traceable alarms and security systems for automobiles, be characterized in, comprise a housing, and the information control unit of integrated global system for mobile communications (GSM) terminal hardware that in this housing, is provided with and global system for mobile communications GSM terminal physical layer, protocol stack, global system for mobile communications (GSM) position; Described information control unit comprises power module, treater, subscriber identification module (SIM) interface, radio-frequency module, audio frequency/base band coding/decoding module, memory device, subscriber identification module (SIM) card and antennal interface; Described power module is used for providing working power to each module of control circuit; The mouth of described treater respectively with subscriber identification module (SIM) interface, radio-frequency module, audio frequency/base band coding/decoding module, memory device is two-way is connected, and receives that the needs that transmit from these modules are handled and the information of control, finishes processing capacity; Described subscriber identification module SIM interface is used to support exterior subscriber identification module (SIM) deck, and (SIM) blocks two-way the connection with subscriber identification module; Described radio-frequency module, its mouth is connected with antennal interface; Described audio frequency/base band coding/decoding module is used for audio frequency and baseband signal are carried out Code And Decode; Described memory device is used for stored programme information; Described subscriber identification module (SIM) card is used to store user's personal information; Described antennal interface is used for external global system for mobile communications (GSM) antenna.

Above-mentioned a kind of traceable alarms and security systems for automobiles, wherein, described memory device comprises flash memory (flash), random access memory (RAM), electricallyerasable ROM (EEROM) (E ²PROM), wherein: flash memory (flash) memory device is used for program code stored, and random access memory (RAM) provide the program run space, electricallyerasable ROM (EEROM) (E ²PROM) stored parameter setting and parameter format information.

Above-mentioned a kind of traceable alarms and security systems for automobiles, wherein, described memory device comprises a flash memory (flash)/random access memory (RAM) and an electricallyerasable ROM (EEROM) (E ²PROM), wherein: flash memory (flash) memory device is used for program code stored, and random access memory (RAM) provide the program run space, electricallyerasable ROM (EEROM) (E ²PROM) stored parameter setting and parameter format information.

Because the utility model has adopted above technical measures, in this device, be provided with GSM terminal hardware and GSM terminal physical layer integrated, the information control unit of protocol stack, GSM position, therefore can receive and dispatch dispatch, analyze and processing GSM location information.Can not only realize the warning of moving at the position; And it has made full use of GSM network coverage advantage widely, uses the GSM network location information to position, and realizes the effective tracking to vehicle.Simultaneously, this terminating set directly utilizes short message to send locating information, can not increase the network signal load.And the direct integrated GSM location information control unit in GSM mobile communication module of the utility model, reduced the terminal cost, increased the disguise of device.

Description of drawings

Concrete structure of the present utility model is further provided by following embodiment and accompanying drawing thereof.

Fig. 1 is a hardware module structural representation of the present utility model.

Fig. 2 is a workflow diagram of the present utility model.

The specific embodiment

See also Fig. 1, the utility model comprises power module 1, treater 2, SIM interface 3, radio-frequency module 4, audio frequency/base band coding/decoding module 5, flash/RAM memory device 61, E ²Prom memory 62, SIM 7, antennal interface 8.Power module 1 provides+working power of 5v+/-5% to module.Treater 2, by the power module power supply, itself and SIM interface 3, radio frequency module 4, audio frequency/base band coding/decoding module 5,6 two-way connections of memory device receive needs processing of transmitting from these modules and the information of controlling, and finish processing capacity.Memory device 6 can be a flash memory (flash) memory device, a random access memory (RAM) and an electricallyerasable ROM (EEROM) (E ²PROM) constitute, also can be by a flash memory (flash)/random access memory (RAM) and an electricallyerasable ROM (EEROM) (E ²PROM) constitute, present embodiment is to adopt by a flash memory (flash)/random access memory (RAM) 61 and an electricallyerasable ROM (EEROM) (E ²PROM) 62 constitute, and in the flash/RAM memory device 61, the flash memory device is used for program code stored, and RAM provides the program run space.E ²Prom memory 62 is used for stored parameter setting and parameter format information.

SIM interface 3 is used to support exterior SIM seat, and its mouth is connected with SIM 7.SIM 7 is used to store user's personal information.Radio-frequency module 4, its mouth is connected with antennal interface 8.Antennal interface 8, external GSM 900/1800 antenna.Audio frequency/base band coding/decoding module 5 is used for audio frequency and baseband signal are carried out Code And Decode.

See also Fig. 2, dispatch in the utility model between traceable alarms and security systems for automobiles and the monitor service end and locating data are transmitted with the short message form by the GSM public network.

The working process of antitheft terminal controller monitor portion is as follows in the utility model:

GSM location information control unit is finished reading, handle, storing of GSM locating information and is relatively judged, realizes returning of the anti-theft alarm that moves at the position and location information.The principle of this GSM location information control unit control is: as MS (mobile station) when being in idle condition, MS monitors the message on the BCCH (BCCH).The regular transmission system message of meeting on the BCCH channel is comprising the location information of MS.Location information is made up of MCC (mobile subscriber's national code), MNC (mobile network number), LAC (lane place number) and CellId (cell ID).The location information that at every turn receives is not necessarily in full accord, mainly shows different on the cell ID.Be subjected to the influence of factors such as the network planning, in different places, the cell ID that mobile station can receive is inconsistent.But in same place, the cell ID that mobile station can receive is certain, in general can receive 7 cell identity information at most.Therefore we can define a rational stabilization time in implementation procedure, at this moment between in the section mobile station will accept and store all different districts that receive to identify the formation cell list that prestores.When vehicle location changes, the cell ID that mobile station can receive also will change, therefore in a single day control module finds that a certain cell ID that receives and clauses and subclauses in the cell ID table that prestores are not inconsistent, and then thinks to have taken place that move the position and send alarm message by the GSM network.Even the vehicle stolen car person drive away, Car Burglar Alarm also can constantly return new cell ID according to server instruction, and server positions vehicle according to cell information and location information matching list.Its locating accuracy depends on the size of radius of society, does not wait from tens meters to two kilometers.Generally be in tens meters between the hundreds of rice in small and medium-sized cities, particularly in bustling block, because radius of society is less, accuracy of positioning will be further enhanced.) simultaneously, the raising of monitoring server side cell information and location information matching degree also can make the accuracy of positioning of this method improve.Because the perfect covering of GSM network, utilize this positioning means will realize effective tracking to stolen vehicle.

When the car owner not the time, trigger antitheft terminal with short message and make the theftproof monitoring state that enters.Antitheft terminal constantly detects GSM network location information parameter, in case unusual circumstance, promptly the mode with short message sends alerting signal and location information to car owner and monitoring and control centre.In this process,,, then stop monitoring and withdraw from anti-thefting monitoring with short message mode notice monitoring and control centre if receive car owner's the monitor command that stops if the control command that receives is then handled in the order of receiving monitoring and control centre.

Monitoring anti-theft function of the present utility model is complete, and volume is little, and disguise is very strong, is convenient to be hidden in each position of automobile, as under rear cabinet, the vehicle seat etc.

Claims

1, a kind of traceable alarms and security systems for automobiles, it is characterized in that, comprise a housing, and the information control unit of the integrated global mobile telecommunication system hardware that in this housing, is provided with and global mobile telecommunication system Physical layer, protocol stack, global system for mobile communications position; Described information control unit comprises power module, treater, subscriber identification module interface, radio-frequency module, audio frequency/base band coding/decoding module, memory device, subscriber identify module card and antennal interface;

Described power module is used for providing working power to each module of control circuit;

The mouth of described treater is connected with subscriber identification module interface, radio-frequency module, audio frequency/base band coding/decoding module, memory device two-phase respectively, receives needs processing of transmitting from these modules and the information of controlling, and finishes processing capacity;

Described subscriber identification module interface is used to support exterior SIM card holder, is connected with subscriber identify module card is two-way;

Described radio-frequency module, its mouth is connected with antennal interface;

Described audio frequency/base band coding/decoding module is used for audio frequency and baseband signal are carried out Code And Decode;

Described memory device is used for stored programme information;

Described subscriber identify module card is used to store user's personal information;

Described antennal interface is used for external antenna.

2, a kind of traceable alarms and security systems for automobiles according to claim 1, it is characterized in that, described memory device comprises flash memory, random access memory, electricallyerasable ROM (EEROM), wherein: flash memories is used for program code stored, random access memory provides the program run space, and the electricallyerasable ROM (EEROM) stored parameter is provided with and parameter format information.

3, a kind of traceable alarms and security systems for automobiles according to claim 1, it is characterized in that, described memory device comprises one a flash memory/random access memory and an electricallyerasable ROM (EEROM), wherein: flash memories is used for program code stored, random access memory provides the program run space, and the electricallyerasable ROM (EEROM) stored parameter is provided with and parameter format information.