CN104527574A - Key detection and fingerprint identification based automobile anti-theft system - Google Patents
Key detection and fingerprint identification based automobile anti-theft system Download PDFInfo
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- CN104527574A CN104527574A CN201410677586.5A CN201410677586A CN104527574A CN 104527574 A CN104527574 A CN 104527574A CN 201410677586 A CN201410677586 A CN 201410677586A CN 104527574 A CN104527574 A CN 104527574A
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- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 238000004891 communication Methods 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 238000012546 transfer Methods 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 abstract description 11
- 238000013461 design Methods 0.000 abstract description 4
- 230000007123 defense Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- 238000010295 mobile communication Methods 0.000 abstract 1
- 230000000977 initiatory effect Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000000392 somatic effect Effects 0.000 description 3
- 239000007799 cork Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 101100382854 Arabidopsis thaliana CCD7 gene Proteins 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000036651 mood Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/24—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
- B60R25/248—Electronic key extraction prevention
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
- B60R25/102—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device a signal being sent to a remote location, e.g. a radio signal being transmitted to a police station, a security company or the owner
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/25—Means to switch the anti-theft system on or off using biometry
- B60R25/252—Fingerprint recognition
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2325/00—Indexing scheme relating to vehicle anti-theft devices
- B60R2325/10—Communication protocols, communication systems of vehicle anti-theft devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2325/00—Indexing scheme relating to vehicle anti-theft devices
- B60R2325/20—Communication devices for vehicle anti-theft devices
- B60R2325/205—Mobile phones
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Human Computer Interaction (AREA)
- Burglar Alarm Systems (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses a key detection and fingerprint identification based automobile anti-theft control method. An automobile anti-theft system is designed through a reinforced low-power single chip microcomputer by a fingerprint identification technology and a wireless communication GSM (Global System for Mobile Communication) technology, the uniqueness of biological characteristics of fingerprints of the human body is utilized, a circuit and an oil circuit of an automobile are controlled by fingerprint identification, and accordingly the anti-theft purpose is achieved. The unduplicatedness and the complexity of the living fingerprints can be utilized to prevent decoding and accordingly the problems of code interception in the air and the illegal access to an electronic key for legal driving in the wireless remote control way which is widely used currently are solved; the civil air defense function is added to the GSM technology and a remote alarm can be given through a wireless network; the defects of a single anti-theft circuit are effectively overcome and the safety of the automobile is ensured due to the design.
Description
Technical field
The present invention relates to automobile anti-theft method, especially design and a kind ofly to detect and the automotive theft proof system of fingerprint recognition based on key, belong to antitheft field.
Background technology
Along with expanding economy and social progress, quantity and the popularity of automobile all grow with each passing day, and meanwhile automobile burglar problem also highlights gradually.In prior art, alarms and security systems for automobiles mainly contains electric anti-thief device and network theftproof device.Electric anti-thief device can send acousto-optic to frighten invader, finds the igniting of invasion lockable or start to reach antitheft object.Network theftproof device adopts GPS global position system and mobile communcations system to combine, and except network type electron or startup reach antitheft object, alarm message and vehicle position is sent to alarm center or car owner's mobile phone simultaneously.
Along with the develop rapidly of automotive market and the raising of people's living standard, more and more carry out many automobiles and enter average family.Automobile burglar just seems particularly important, becomes an important social concern urgently to be resolved hurrily.The car alarm sold in the market mostly is the car alarm installing formula car alarm additional and adopt Electronics Cryptographic Keys.The formula car alarm of installing additional mainly adopts the circuit of concatenation type, and for the robber being proficient in automobile circuit, can avoid anti-theft circuit very like a cork by the method for cross-over connection, anti-theft system is as illusory.For the car alarm adopting Electronics Cryptographic Keys, robber generally by stealing key, and utilizes remote controller to seek car fast and implements theft.This illustrates the antitheft means of existing alarms and security systems for automobiles and unreliable.And adopt fingerprint identification module to verify car owner's identity and assist multiple warning measure to complete the design of car alarm, the safety of automobile can be ensured as much as possible when not changing Integral automobile circuit.
Fingerprint recognition is the one of living things feature recognition, and it utilizes the uniqueness of fingerprint characteristic and unchangeable property to carry out certification to personal identification, has high safety and ease for use.
Alarms and security systems for automobiles of the prior art is all the mode adopting initiatively monitoring, adopt various sensor to detect and whether occur to steal car situation, and then send alarm message, serve necessarily antitheft effect, but still there is following problem: rate of false alarm is higher, affect the mood of car owner and the peacefulness of nearby residents pedestrian, too increase the noise emission in city; Adopt the mode of initiatively monitoring, when automobile does not start, anti-joyride device is in mode of operation always, considerably increases the burden of level in car.
Such as application number is a kind of alarms and security systems for automobiles of " 201310720127.6 ", adopts RFID technique and GPS to realize automobile burglar monitoring, comprises start detection module, wireless communication module, GPS module, control module and RFID module; Described control module start detection module, wireless communication module, GPS module are connected with RFID module; The RFID label tag that all embedded uniquely identified of car key mates with automobile, after vehicle launch, if the RFID module be arranged in car cannot get the RFID label tag of correct coupling, then be judged to occur the stolen situation of vehicle, start GPS module and obtain geographical location information, and send the geographical location information of Current vehicle by GSM, GPRS or 3G network to user, thus can fast track stolen vehicle.Although this invention can play a role automobile burglar, for the robber being proficient in automobile circuit, can avoid anti-theft circuit very like a cork by the method for cross-over connection, anti-theft system is as illusory.
And for example application number is a kind of automotive theft proof system of " 201210062028.9 ".This automotive theft proof system comprises system BCM on car, with oneself base station, initiation key and engine control module, when initiation key inserts automobile ignition lock, described BCM receives and compares the startup authentication code from carry-on base station and initiation key, if consistent, then send actuation signal to engine control module, otherwise send No starting signal to engine control module.Utilize automotive theft proof system of the present invention, can effectively prevent automobile stolen.Although this invention can be used in automobile burglar, antitheft strategy needs optimized further.
Summary of the invention
Technical matters to be solved by this invention provides a kind of detection based on key and the automotive theft proof system of fingerprint recognition for the deficiency of background technology, fingerprint identification technology can be applied in automotive theft proof system by effectively, and in conjunction with gsm wireless communication network, realize remote alarms, effectively ensure the safety of automobile.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
Detect and the automotive theft proof system of fingerprint recognition based on key, comprise micro controller module and connected fingerprint identification module, key key interface module, communication module, display module, alarm module and power module; Described micro-control module comprises the first state detection unit, the first control unit, the second state detection unit, the second control unit;
Wherein, key key interface module, for accessing key key;
Display module, for indication operation method and content of operation;
Power module, for providing electric energy needed for this automotive theft proof system;
First state detection unit, whether correct for detection key key, and then send a signal to the first control unit;
First control unit, for the signal sent according to the first state-detection detecting unit, if cipher key coupling is correct, then starts fingerprint identification module; If cipher key coupling is unsuccessful, then cut off oil circuit and the circuit of automobile, control alarm module simultaneously and give the alarm, and then transfer to car owner by communication unit;
Second state detection unit, judges fingerprint identification module for analyzing whether the match is successful, and then send a signal to the second control unit;
Second control unit, for the signal sent according to the second state detection unit, if the match is successful for fingerprint recognition, then ignition trigger automobile, if fingerprint recognition coupling is unsuccessful, then cuts off oil circuit and the circuit of automobile, control alarm module to give the alarm simultaneously, and then transfer to car owner by communication unit.
To detect based on key and the further preferred version of automotive theft proof system of fingerprint recognition as the present invention is a kind of, the model of described fingerprint identification module is SM-2B.
To detect based on key and the further preferred version of automotive theft proof system of fingerprint recognition as the present invention is a kind of, described alarm module is acousto-optic warning unit.
To detect based on key and the further preferred version of automotive theft proof system of fingerprint recognition as the present invention is a kind of, described micro controller module is AVR series monolithic.
To detect based on key and the further preferred version of automotive theft proof system of fingerprint recognition as the present invention is a kind of, described communication unit is GSM.
To detect based on key and the further preferred version of automotive theft proof system of fingerprint recognition as the present invention is a kind of, described SM-2B type fingerprint identification module comprises dsp processor, FPC capacitive fingerprint sensing device and FLASH chip.
The present invention adopts above technical scheme compared with prior art, has following technique effect:
1, the inventive method simple, be easy to realize;
2, the present invention utilizes the uniqueness of the biological characteristic of somatic fingerprint, is controlled the circuit, oil circuit etc. of automobile, thus reach antitheft object by fingerprint recognition;
3, the non-reproduction of somatic fingerprint and complexity, can accomplish the feature of anti-decoding, solves the wireless remote control mode extensively adopted at present and exist and cut code and illegally obtain the problems such as the legal driving of electron key in the air;
4. fingerprint identification technology is applied in automotive theft proof system by actv., and in conjunction with gsm wireless communication network, realizes remote alarms, has effectively ensured the safety of automobile.
Accompanying drawing explanation
Fig. 1 is structure principle chart of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
As shown in Figure 1, a kind ofly to detect and the automotive theft proof system of fingerprint recognition based on key, comprise micro controller module and connected fingerprint identification module, key key interface module, communication module, display module, alarm module and power module; Described micro-control module comprises the first state detection unit, the first control unit, the second state detection unit, the second control unit;
Wherein, key key interface module, for accessing key key;
Display module, for indication operation method and content of operation;
Power module, for providing electric energy needed for this automotive theft proof system;
First state detection unit, whether correct for detection key key, and then send a signal to the first control unit;
First control unit, for the signal sent according to the first state-detection detecting unit, if cipher key coupling is correct, then starts fingerprint identification module; If cipher key coupling is unsuccessful, then cut off oil circuit and the circuit of automobile, control alarm module simultaneously and give the alarm, and then transfer to car owner by communication unit;
Second state detection unit, judges fingerprint identification module for analyzing whether the match is successful, and then send a signal to the second control unit;
Second control unit, for the signal sent according to the second state detection unit, if the match is successful for fingerprint recognition, then ignition trigger automobile, if fingerprint recognition coupling is unsuccessful, then cuts off oil circuit and the circuit of automobile, control alarm module to give the alarm simultaneously, and then transfer to car owner by communication unit.
Wherein, the model of described fingerprint identification module is SM-2B, described alarm module is acousto-optic warning unit, described micro controller module is AVR series monolithic, described communication unit is GSM, and described SM-2B type fingerprint identification module comprises dsp processor, FPC capacitive fingerprint sensing device and FLASH chip.
The present invention adopts SM-2B type fingerprint identification module, it is by high-speed dsp treater, the formations such as FPC capacitive fingerprint sensing device and FLASH chip, 512 pieces of fingerprint templates can be stored, there is abundant instruction set and be less than 1.0 s search time, accuracy of system identification is less than 0.001%, refuse sincerely to be less than 1%, carry RS 232 serial communication interface, communication baud rate is 57 600 b/s, STM32F103VC is controlled fingerprint identification module by USART2, realize fingerprint image acquisition and process, fingerprint characteristic gathers, fingerprint template typing, template stores, fingerprint comparison, the functions such as fingerprint search.
The radio communication gsm module TC35 that the present invention adopts Siemens Company to release.The operating voltage of this module is 3.3 ~ 5.5 V.900 MHz/1 800 MHz, bis-frequency ranges can be operated in, carry RS 232 communication interface, can easily with MCU Interfacing and Communication, safety, the data, voice transfer, Short Message Service etc. that reliably realize in system schema.In circuit, TC35 is communicated with the USART1 of STM32F103VC by MAX3 232, and when there being alert to occur, Car Burglar Alarm can send alarming short message from trend car owner mobile phone.So just, remote alarms can be realized in real time, reliably, quickly.
During work, after car owner's switch-off, Car Burglar Alarm enters lock-out state.If now automobile key can not the match is successful, just fingerprint recognition can not be carried out; Only have when automobile key that the match is successful, just available fingerprints identification unlocks Car Burglar Alarm and automatic ignition.In the locked state, the oil circuit, circuit etc. of automobile are cut-off, and automobile key cannot be lighted a fire; If cut off the line of finger print acquisition module and control capsule by force, or nonrecognition fingerprint and by force with automobile key igniting, automobile can by blowing a trumpet, flashing light and cordless communication network report to the police.Insert cipher key at lock-out state and can enter released state, and the operations such as fingerprint register/deletion, phone number setting and emergent igniting can be carried out according to LCD and voice message by keypad.
This employing enhancement mode low-power scm, fingerprint identification technology and radio communication GSM technology devise automotive theft proof system, it utilizes the uniqueness of the biological characteristic of somatic fingerprint, controlled the circuit, oil circuit etc. of automobile by fingerprint recognition, thus reach antitheft object.The non-reproduction of living body finger print and complexity, can accomplish the feature of anti-decoding, and the wireless remote control mode solving extensively employing at present exists the problem such as aerial section code and the legal driving of illegal acquisition electron key.GSM technology adds people's air defense function, and it carries out remote alarms by wireless network.The design of native system, actv. compensate for the shortcoming of single anti-theft circuit, has ensured the safety of automobile.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And these belong to connotation of the present invention the apparent change of extending out or variation still belong to protection scope of the present invention.
Claims (6)
1. detect and the automotive theft proof system of fingerprint recognition based on key, it is characterized in that: comprise micro controller module and connected fingerprint identification module, key key interface module, communication module, display module, alarm module and power module; Described micro-control module comprises the first state detection unit, the first control unit, the second state detection unit, the second control unit;
Wherein, key key interface module, for accessing key key;
Display module, for indication operation method and content of operation;
Power module, for providing electric energy needed for this automotive theft proof system;
First state detection unit, whether correct for detection key key, and then send a signal to the first control unit;
First control unit, for the signal sent according to the first state-detection detecting unit, if cipher key coupling is correct, then starts fingerprint identification module; If cipher key coupling is unsuccessful, then cut off oil circuit and the circuit of automobile, control alarm module simultaneously and give the alarm, and then transfer to car owner by communication unit;
Second state detection unit, judges fingerprint identification module for analyzing whether the match is successful, and then send a signal to the second control unit;
Second control unit, for the signal sent according to the second state detection unit, if the match is successful for fingerprint recognition, then ignition trigger automobile, if fingerprint recognition coupling is unsuccessful, then cuts off oil circuit and the circuit of automobile, control alarm module to give the alarm simultaneously, and then transfer to car owner by communication unit.
2. a kind ofly according to claim 1 to detect and the automotive theft proof system of fingerprint recognition based on key, it is characterized in that: the model of described fingerprint identification module is SM-2B.
3. a kind ofly according to claim 1 to detect and the automotive theft proof system of fingerprint recognition based on key, it is characterized in that: described alarm module is acousto-optic warning unit.
4. a kind ofly according to claim 1 to detect and the automotive theft proof system of fingerprint recognition based on key, it is characterized in that: described micro controller module is AVR series monolithic.
5. a kind ofly according to claim 1 to detect and the automotive theft proof system of fingerprint recognition based on key, it is characterized in that: described communication unit is GSM.
6. a kind ofly according to claim 2 to detect and the automotive theft proof system of fingerprint recognition based on key, it is characterized in that: described SM-2B type fingerprint identification module comprises dsp processor, FPC capacitive fingerprint sensing device and FLASH chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410677586.5A CN104527574A (en) | 2014-11-21 | 2014-11-21 | Key detection and fingerprint identification based automobile anti-theft system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410677586.5A CN104527574A (en) | 2014-11-21 | 2014-11-21 | Key detection and fingerprint identification based automobile anti-theft system |
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| CN104527574A true CN104527574A (en) | 2015-04-22 |
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| CN201410677586.5A Withdrawn CN104527574A (en) | 2014-11-21 | 2014-11-21 | Key detection and fingerprint identification based automobile anti-theft system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105023336A (en) * | 2015-09-02 | 2015-11-04 | 谭玉新 | Intelligent motorcycle controlled by mobile phone |
| CN105128818A (en) * | 2015-07-12 | 2015-12-09 | 九江学院 | Multistage-identity-authentication car remote controlled key and work method thereof |
| CN111452754A (en) * | 2019-01-18 | 2020-07-28 | 富顶精密组件（深圳）有限公司 | Intelligent automobile anti-theft system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005070733A1 (en) * | 2004-01-26 | 2005-08-04 | Toshiba Solutions Corporation | Security system, authentication system for vehicle, method and program |
| CN203126778U (en) * | 2013-02-16 | 2013-08-14 | 河南速达电动汽车科技有限公司 | Fingerprint recognition anti-theft system for miniature household electric car |
| CN203805849U (en) * | 2014-04-22 | 2014-09-03 | 长安大学 | Automobile fingerprint identification antitheft warning recording device based on GSM |
-
2014
- 2014-11-21 CN CN201410677586.5A patent/CN104527574A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005070733A1 (en) * | 2004-01-26 | 2005-08-04 | Toshiba Solutions Corporation | Security system, authentication system for vehicle, method and program |
| CN203126778U (en) * | 2013-02-16 | 2013-08-14 | 河南速达电动汽车科技有限公司 | Fingerprint recognition anti-theft system for miniature household electric car |
| CN203805849U (en) * | 2014-04-22 | 2014-09-03 | 长安大学 | Automobile fingerprint identification antitheft warning recording device based on GSM |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105128818A (en) * | 2015-07-12 | 2015-12-09 | 九江学院 | Multistage-identity-authentication car remote controlled key and work method thereof |
| CN105023336A (en) * | 2015-09-02 | 2015-11-04 | 谭玉新 | Intelligent motorcycle controlled by mobile phone |
| CN111452754A (en) * | 2019-01-18 | 2020-07-28 | 富顶精密组件（深圳）有限公司 | Intelligent automobile anti-theft system and method |
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Application publication date: 20150422 |