CN107985256A - A kind of automotive theft proof system - Google Patents
A kind of automotive theft proof system Download PDFInfo
- Publication number
- CN107985256A CN107985256A CN201711234331.1A CN201711234331A CN107985256A CN 107985256 A CN107985256 A CN 107985256A CN 201711234331 A CN201711234331 A CN 201711234331A CN 107985256 A CN107985256 A CN 107985256A
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- Prior art keywords
- module
- voltage
- capacitance
- conversion circuit
- voltage conversion
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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
- B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
- B60R25/1004—Alarm systems characterised by the type of sensor, e.g. current sensing means
-
- 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
- B60R25/30—Detection related to theft or to other events relevant to anti-theft systems
- B60R25/34—Detection related to theft or to other events relevant to anti-theft systems of conditions of vehicle components, e.g. of windows, door locks or gear selectors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The invention discloses a kind of automotive theft proof system, includes Data Detection and control terminal and connected mobile terminal；The Data Detection and control terminal include processor module, monitoring modular, signal processing module, alarm module, communication module, execution module, power supply module；The power supply module includes the power supply module and includes vehicular power-bottle, voltage conversion circuit, bandpass filter module, and the vehicular power-bottle is successively by voltage conversion circuit, bandpass filter module connection micro controller module；Using otherness of the multisensor in performance with complementary, comprehensive a variety of data messages from each sensor, data analysis is carried out using fusion method, actively can judge the state of automobile exactly；System carries out data acquisition using sensor array and effectively raises detection efficiency and accuracy, can also be communicated using wireless network with car owner, notifies condition of the vehicle at once, improves the reliability of alarm system.
Description
Technical field
The invention belongs to intelligent vehicle monitoring field, more particularly to a kind of automotive theft proof system.
Background technology
Enter one of mark of fashion, the modern life with the improvement of living standards, possessing private car and having become family.But
It is increasing with automobile quantity, thief also begins to sight be invested the automobile as luxury goods.It is although current big
Most automobiles are equipped with the antitheft device of genuine, and in the market also has the automobile auxiliary alarm of a variety of brands, but these are antitheft
Device is not only to lay particular emphasis on passively processing to meet alert condition, and the reliability for exactly judging stolen process for alarm does not have enough
Attention, cause to misrepresent deliberately, failing to report phenomenon happens occasionally, many unnecessary troubles caused to car owner.
The content of the invention
The technical problems to be solved by the invention are that the deficiency for being directed to background technology provides a kind of automotive theft proof system.
The present invention uses following technical scheme to solve above-mentioned technical problem
A kind of automotive theft proof system, includes Data Detection and control terminal and connected mobile terminal；The data inspection
Survey and control terminal include processor module, monitoring modular, signal processing module, alarm module, communication module, execution module,
Power supply module；By signal processing module connection processing device module, the alarm module, communication module, hold the monitoring modular
Row module is connected with processor module respectively, the power supply module respectively with processor module, monitoring modular, signal processing mould
Block, alarm module, communication module, execution module connection, for providing its required electric energy；It is how general that the monitoring modular includes microwave
Strangle sensor array, vibration detector arrays, obliquity sensor array, pyroelectric infrared sensor array, Hall switch device
Array, and respectively with microwave Doppler sensor array, vibration detector arrays, obliquity sensor array, rpyroelectric infrared
The multiplexer switch that sensor array, Hall switch device array connect one to one；
The power supply module includes the power supply module and includes vehicular power-bottle, voltage conversion circuit, bandpass filter module, described
Vehicular power-bottle is successively by voltage conversion circuit, bandpass filter module connection micro controller module；
The bandpass filter module, is total to comprising T-shaped high-pass filter, and with the Hair-pin line that the T-shaped high-pass filter is connected
Shake chamber；The T-shaped high-pass filter includes the first capacitance, the second capacitance, the 3rd capacitance, the 4th capacitance and the first inductance, described
First capacitance, the second capacitance, the 3rd capacitance are sequentially connected in series, and one end of first inductance is connected to the first capacitance and the second capacitance
Between, the other end ground connection of first inductance；One end of 4th capacitance is connected between the second capacitance and the 3rd capacitance,
The other end of 4th capacitance is grounded by the second inductance.
As a kind of further preferred scheme of automotive theft proof system of the present invention, the voltage conversion circuit, including prime
Voltage conversion circuit and rear class voltage conversion circuit coupled thereto.
As a kind of further preferred scheme of automotive theft proof system of the present invention, the prime voltage conversion circuit includes：
First voltage protection module, is coupled to supply voltage and provides internal conversion voltage；First voltage modular converter, is coupled to first
Voltage protection module, prime output signal is converted to according to internal conversion voltage by input signal.
As a kind of further preferred scheme of automotive theft proof system of the present invention, the rear class voltage conversion circuit includes：
Second voltage protection module, produces the first reversed-phase output signal, the first output signal, the second reversed-phase output signal and the second output
Signal, wherein, prime voltage conversion circuit and rear class voltage conversion circuit have multiple transistors, when the magnitude of voltage of supply voltage
More than transistor breakdown voltage when, voltage conversion circuit protection transistor pressure difference be less than breakdown voltage, when supply voltage
When magnitude of voltage is less than breakdown voltage, voltage conversion circuit full width exports the first reversed-phase output signal, the first output signal, second anti-
Mutually output signal and the second output signal.
As a kind of further preferred scheme of automotive theft proof system of the present invention, the chip model of the multiplexer switch
For AMC4601.
The present invention compared with prior art, has following technique effect using above technical scheme：
Automotive theft proof system based on sensor data fusion technology on the basis of the various ways that comprehensive analysis automobile is stolen,
Using otherness of the multisensor in performance with complementary, comprehensive a variety of data messages from each sensor, using melting
Conjunction method carries out data analysis, actively can judge the state of automobile exactly；
System carries out data acquisition using sensor array and effectively raises detection efficiency and accuracy, can also utilize wireless
Network communicates with car owner, notifies condition of the vehicle at once, improves the reliability of alarm system；
The present invention provides a kind of amplifier circuit of three-level structure for amplifying, designs triple structure for amplifying, significantly improves amplifier
Switching rate, it is ingenious in design, it is worthy to be popularized.
Brief description of the drawings
Fig. 1 is the system structure schematic diagram of the present invention；
Fig. 2 is bandpass filter module circuit diagram of the present invention.
Embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1, a kind of automotive theft proof system, includes Data Detection and control terminal and connected mobile terminal；
The Data Detection and control terminal include processor module, monitoring modular, signal processing module, alarm module, communication module,
Execution module, power supply module；By signal processing module connection processing device module, the alarm module, lead to the monitoring modular
News module, execution module are connected with processor module respectively, the power supply module respectively with processor module, monitoring modular, letter
Number processing module, alarm module, communication module, execution module connection, for providing its required electric energy；The monitoring modular includes
Microwave Doppler sensor array, vibration detector arrays, obliquity sensor array, pyroelectric infrared sensor array, Hall
Switching device array, and respectively with microwave Doppler sensor array, vibration detector arrays, obliquity sensor array, heat
Release electric infrared array sensor, the multiplexer switch that Hall switch device array connects one to one；
The power supply module includes the power supply module and includes vehicular power-bottle, voltage conversion circuit, bandpass filter module, described
Vehicular power-bottle is successively by voltage conversion circuit, bandpass filter module connection micro controller module；
As shown in Fig. 2, the bandpass filter module, connects comprising T-shaped high-pass filter, and with the T-shaped high-pass filter
Hair-pin line resonant cavity；The T-shaped high-pass filter includes the first capacitance, the second capacitance, the 3rd capacitance, the 4th capacitance and first
Inductance, first capacitance, the second capacitance, the 3rd capacitance are sequentially connected in series, and one end of first inductance is connected to the first capacitance
And second between capacitance, the other end ground connection of first inductance；One end of 4th capacitance is connected to the second capacitance and
Between three capacitances, the other end of the 4th capacitance is grounded by the second inductance.
The voltage conversion circuit, including prime voltage conversion circuit and rear class voltage conversion circuit coupled thereto.
The prime voltage conversion circuit includes：First voltage protection module, is coupled to supply voltage and provides internal turn
Change voltage；First voltage modular converter, is coupled to first voltage protection module, is changed input signal according to internal conversion voltage
Signal is exported for prime.
The rear class voltage conversion circuit includes：Second voltage protection module, produces the first reversed-phase output signal, first defeated
Go out signal, the second reversed-phase output signal and the second output signal, wherein, prime voltage conversion circuit and rear class voltage conversion circuit
With multiple transistors, when the magnitude of voltage of supply voltage is more than the breakdown voltage of transistor, voltage conversion circuit protection crystal
The pressure difference of pipe is less than breakdown voltage, when the magnitude of voltage of supply voltage is less than breakdown voltage, voltage conversion circuit full width output the
One reversed-phase output signal, the first output signal, the second reversed-phase output signal and the second output signal.
The chip model of the multiplexer switch is AMC4601.
Processor module receives information from each sensor and carries out data fusion, processing the result is that by alarm point
Level.Processor module is according to the different alarm signal of different grades of alarm trigger and operation, and by communication module by the state of affairs
Judge that result is transferred to car owner；When judging that situation is serious, execution module can be controlled directly to block the firing circuit of automobile, made
Automobile cannot start.
Alarm module receives the instruction of processor module, is alarmed using sound, flash of light.
Execution module is instructed as highest priority with the car owner received by communication module, and car owner can easily carry out vapour
Lock it is dead ", " all clear " waits and operates.
Data communication facility can be realized using communication module.System passes through the warning message of classification in the form of short message
GSM/CDMA networks pass to car owner, to remind car owner to notice the safety of automobile；Car owner can utilize SMS to vapour at the same time
Car carries out remote control.
The selection of detection module sensor
To realize the purpose for reasonably selecting senser element, now vehicle thefts mode is analyzed.Generally speaking burglar is the most frequently used
Theft means have following several method：
1. vehicle carrying method：Directly vehicle is dragged away using trailer, or vehicle is loaded into other delivery vehicles and is transported.Such a deathwatch
Extremely short the time required to mode, burglar can speed away scene.
2. destroy car body method：Burglar directly destroys automobile door lock with instrument or glass is strong in unattended parking site
It is advanced into car, is electrically sailed away vehicle with connecing.
3. copy key or unlocking master-hand：Key is replicated or opens car door with unlocking tool, directly car drives away.
4. steal vehicle-mounted object：Burglar dismantles car body exterior part, or smashes the in-car article of vehicle window theft.
Phenomena such as these behaviors of burglar can cause body oscillating, tilt, while be also 9 ~ 10 μm with centre wavelength
The biological information of human body such as infra-red radiation.The abnormal phenomenon triggered according to burglar's stolen car, select appropriate monitoring devices into
Row data acquisition, and use appropriate data processing algorithm, it is possible to realize the purpose of accurate early warning.
In order to extract enough information, the accurate judgement to monitoring objective is realized, select sensor to follow
Basic principle：Reasonably select sensor and be subject to optimum organization, to realize system high accuracy, the demand of low cost；Select different
The sensor of species, difference in functionality, plays the advantage of each sensor, information sharing, the possibility for reduce false, failing to report；Choosing
With multiple congener sensors, rational deployment, removes monitoring dead angle, improves the reliability of system.Analysis based on more than, choosing
The monitoring modular of burglary-resisting system is formed to lower sensor：
1. microwave Doppler sensor.It can be used for detecting the shifting of human body or object using sensor made of Doppler effect
It is dynamic, the sensor people or object close to when the frequency that receives of receiver change, can be with when frequency is changed to setting value
It is judged as that someone or object enter the early warning range of burglary-resisting system；
2. vibrating sensor., can be to the vibration of car body particular frequency bands using vibrating sensor made of acceleration detection device
It is monitored, alarm can be produced in the situation that car body is destroyed by external force；
3. obliquity sensor.Whether obliquity sensor monitoring car body there is change of pitch angle relative to initial position, if this angle
The change of degree is the threshold value for occurring with specific frequency or reaching setting, it is possible to is judged as that automobile is integrally handled upside down.
4. pyroelectric infrared sensor.The infrared radiation that a length of 9 ~ 10 μm of pyroelectric infrared sensor centering cardiac wave is quick
Sense, is able to detect that the infrared information of human body radiation, may be used as the in-car monitoring devices of human body invasion；
5. Hall switch device.Can be to the non-of the car door of automobile, engine compartment cover and case cover by Hall switch device
Method is opened and is monitored.
The change of several Sensor monitoring wave frequency rates, body oscillating, the change of car body position state and biological information of human body etc. above
Different aspect, then remove monitoring dead angle by being reasonably laid out, it becomes possible to obtain the enough information needed for automobile burglar, maximum journey
Degree ground eliminates the uncertainty of information, improves the reliability of alarm
Meet the fusion treatment of alert information
Multi-sensor information fusion refers to that collaboration uses multiple sensors, and various heat transfer agents is effectively combined, shape
The process of the uniformity description to environment is obtained into high performance sensory perceptual system.Compared with single-sensor, multisensor letter
Breath merges the uncertainty in reduction information, the accuracy of raising system acquisition information, reduces the cost of system, improves system
Reaction speed etc. has significant advantage, therefore the data that information fusion technology can be used to gather monitoring modular carry out
Fusion treatment.
Information fusion model can be represented from several respects such as function, structure and mathematical models to study.Functional mode is from melting
The process of conjunction is set out, and description information fusion includes which major function, database, and system respectively forms during progress information fusion
Interaction process between part；Structural model is from the composition of information fusion, the soft and hardware of descriptive information emerging system
The man-machine interface of composition, related data flow, system and external environment condition；Mathematical model is then information fusion algorithm and integrated logic.
The functional mode of multi-sensor information fusion can be divided into the fusion of detection level, tracking fusion, property level fusion three
A level.And alert levels are divided into " vehicle carrying ", " car body destruction ", " illegal to open " and " enter car to steal by this burglary-resisting system
Surreptitiously " four classes, and judged using different information fusion models.Wherein " vehicle carrying ", " car body destruction " and " illegally open
Open " it is the information fusion for detecting level, is a distributed detection system, each group Sensor monitoring target is separate, Lothrus apterus,
Their Information Pull combined techniques can be carried out integrating superposition；" entering car theft " is the fusion of property level, need to be to target identities
Carry out Combined estimator, can utilize instruct method progress fusion treatment.
In detection level fusion, the structural model of system uses serial structure.Judge in microwave Doppler sensor node
As a result on the basis of, the detection information with inclination sensor, vibrating sensor and Hall switch device merges respectively, processing procedure
For：The reaction signal of microwave Doppler sensor shows someone or object proximity.When people or the close of object reach early warning distance
Afterwards, if inclination sensor judges that tilting of car body angle reaches the threshold value of setting, show there is " vehicle carrying " situation；If vibrating sensing
Vibration of the device to car body particular frequency bands also produces sensing, then is judged as " car body destruction "；If it is installed on the Hall switch of car door
Device is made a response, and shows car door or front and rear hatchcover by " illegal to open ".Its respective structure type.
Tree is used for the deterministic process of " the entering car theft " of the fusion of application attribute level.According to " car body destruction "
Or the node judging result of " illegal to open ", plus the detection information of infrared sensor, it is possible to judge whether someone enters
It is in-car.
Claims (5)
1. a kind of automotive theft proof system, includes Data Detection and control terminal and connected mobile terminal；The data
Detection and control terminal include processor module, monitoring modular, signal processing module, alarm module, communication module, execution mould
Block, power supply module；The monitoring modular by signal processing module connection processing device module, the alarm module, communication module,
Execution module is connected with processor module respectively, the power supply module respectively with processor module, monitoring modular, signal processing mould
Block, alarm module, communication module, execution module connection, for providing its required electric energy；It is how general that the monitoring modular includes microwave
Strangle sensor array, vibration detector arrays, obliquity sensor array, pyroelectric infrared sensor array, Hall switch device
Array, and respectively with microwave Doppler sensor array, vibration detector arrays, obliquity sensor array, rpyroelectric infrared
The multiplexer switch that sensor array, Hall switch device array connect one to one；It is characterized in that：
The power supply module includes the power supply module and includes vehicular power-bottle, voltage conversion circuit, bandpass filter module, described
Vehicular power-bottle is successively by voltage conversion circuit, bandpass filter module connection micro controller module；
The bandpass filter module, is total to comprising T-shaped high-pass filter, and with the Hair-pin line that the T-shaped high-pass filter is connected
Shake chamber；The T-shaped high-pass filter includes the first capacitance, the second capacitance, the 3rd capacitance, the 4th capacitance and the first inductance, described
First capacitance, the second capacitance, the 3rd capacitance are sequentially connected in series, and one end of first inductance is connected to the first capacitance and the second capacitance
Between, the other end ground connection of first inductance；One end of 4th capacitance is connected between the second capacitance and the 3rd capacitance,
The other end of 4th capacitance is grounded by the second inductance.
A kind of 2. automotive theft proof system according to claim 1, it is characterised in that：The voltage conversion circuit, including it is preceding
Step voltage conversion circuit and rear class voltage conversion circuit coupled thereto.
A kind of 3. automotive theft proof system according to claim 2, it is characterised in that：The prime voltage conversion circuit bag
Include：First voltage protection module, is coupled to supply voltage and provides internal conversion voltage；First voltage modular converter, is coupled to
First voltage protection module, prime output signal is converted to according to internal conversion voltage by input signal.
A kind of 4. automotive theft proof system according to claim 2, it is characterised in that：The rear class voltage conversion circuit bag
Include：Second voltage protection module, produces the first reversed-phase output signal, the first output signal, the second reversed-phase output signal and second
Signal is exported, wherein, prime voltage conversion circuit and rear class voltage conversion circuit have multiple transistors, when the electricity of supply voltage
When pressure value is more than the breakdown voltage of transistor, the pressure difference of voltage conversion circuit protection transistor is less than breakdown voltage, when power supply electricity
When the magnitude of voltage of pressure is less than breakdown voltage, voltage conversion circuit full width exports the first reversed-phase output signal, the first output signal, the
Two reversed-phase output signals and the second output signal.
A kind of 5. automotive theft proof system according to claim 1, it is characterised in that：The multiplexer switch it is chip-shaped
Number it is AMC4601.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711234331.1A CN107985256A (en) | 2017-11-30 | 2017-11-30 | A kind of automotive theft proof system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711234331.1A CN107985256A (en) | 2017-11-30 | 2017-11-30 | A kind of automotive theft proof system |
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| Publication Number | Publication Date |
|---|---|
| CN107985256A true CN107985256A (en) | 2018-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711234331.1A Pending CN107985256A (en) | 2017-11-30 | 2017-11-30 | A kind of automotive theft proof system |
Country Status (1)
| Country | Link |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110115573A1 (en) * | 2009-11-16 | 2011-05-19 | Ambit Microsystems (Shanghai) Ltd. | Band-pass filter |
| CN103580479A (en) * | 2013-10-15 | 2014-02-12 | 上海兆芯集成电路有限公司 | Voltage conversion circuit |
| CN107380118A (en) * | 2017-08-29 | 2017-11-24 | 邢建强 | A kind of automotive theft proof system based on sensor data fusion technology |
-
2017
- 2017-11-30 CN CN201711234331.1A patent/CN107985256A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110115573A1 (en) * | 2009-11-16 | 2011-05-19 | Ambit Microsystems (Shanghai) Ltd. | Band-pass filter |
| CN103580479A (en) * | 2013-10-15 | 2014-02-12 | 上海兆芯集成电路有限公司 | Voltage conversion circuit |
| CN107380118A (en) * | 2017-08-29 | 2017-11-24 | 邢建强 | A kind of automotive theft proof system based on sensor data fusion technology |
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Application publication date: 20180504 |
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