CN2404767Y - Automobile theft-proof alarming device using paging network - Google Patents
Automobile theft-proof alarming device using paging network Download PDFInfo
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- CN2404767Y CN2404767Y CN99258504U CN99258504U CN2404767Y CN 2404767 Y CN2404767 Y CN 2404767Y CN 99258504 U CN99258504 U CN 99258504U CN 99258504 U CN99258504 U CN 99258504U CN 2404767 Y CN2404767 Y CN 2404767Y
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Abstract
The utility model relates to an automobile theft-proof alarming device using paging networks. A paging receiver, a pyroelectricity infrared probe, and a microwave doppler transducer double-identifying sensor, a POCSAG signal programmable microprocessor, an emitter, a hand-hold pager, a remote controller, a theft-proof alarming transmitting/receiving device which can automatically prompt opening, etc. are arranged in an automobile. The intrusion signal sensing of the utility model is in a non-contact type. A rolling code encryption is arranged in the remote controller, and the distance of the remote control is far. The utility model is provided with an alarming device for reminding an automobile owner, and therefore, the performance of theft-proof alarms and monitoring bidirectional roam of automobiles can be improved by making use of a paging network.
Description
The utility model relates to a kind of paging network alarming device for automobile anti-theft that utilizes.
Existing automobile burglar sensor is provided in a side of the touch switch of car door, and it is only to start warning device, realization sound, light caution when forcing open the door invasion.Obvious, this effect of touch sensor that enters by car door to not reporting to the police and take precautions against from the window invasion.The existing car alarm that utilizes the communication paging network generally adopts the remote controller of 8,16 common User Defined passwords to start, closes the warning device in the car, and the used password of its weak point is changeless, is easily released by broken.For example, the passwords that 8 word lengths are formed utilize and grab yard device scanning and only need on one side just can break in 32 seconds and release, and the password of 16 word lengths also only need just can break and releases in 1 hour, and its anti-theft alarm lost efficacy thereupon.When remote control transmitter is lost, worse off.And the horsepower output of existing remote control transmitter is too small, and command range is short, and the practical requirement that efficient range incompatibility automobile flowing power is big brings inconvenience to the car owner; Also have, prior art closing automobile driving engine is committed theft with prevention, utilizes the method for cold run usually, cuts off the automotive ignition power supply, and the weak point of this method is that " fault " is obvious, is very easily perceived by stealer.
The purpose of this utility model is to provide a kind of invasion signal contactless sensing, and the built-in rolling code of remote control is encrypted, and remote control distance is far away and set up automatic prompting and open the alarm set point and the monitoring point bi-directional roaming paging network alarming device for automobile anti-theft of reporting to the police.
Realize that the purpose of this utility model technical scheme is such: it is by paging receiver 1 is set in the car, combined switch 2, POCSAG signal programmable microprocessor 3, projector 4,5 pairs of mirror window comparators 11 of sensor, NAND gate gating circuit 6, car engine ignition blanking circuit 7 and power distribution circuit 12, automatically alerting signal receptor 102 compositions are opened in prompting, wherein sensor 5 is to be combined into dual technology detector by a pyroelectric infrared transducer 51 and a microwave Doppler transducer 52, the each several part connecting relation that is provided with in the car is the power supply of power distribution circuit 12 through combined switch 2 each circuit of control, paging receiver 1 output is connected to a signal input part of POCSAG signal programmable microprocessor, 11 two input ends of two mirror window comparators insert the mouth of pyroelectric infrared transducer 51 and microwave Doppler transducer 52 respectively, its output is connected in the input control end of NAND gate gating circuit 6, the output one tunnel of this NAND gate circuit 6 connects car engine ignition blanking circuit 7, POCSAG signal programmable microprocessor 3 signal input parts are then inserted on another road, this microprocessor output control projector 4.The two mirror window comparators 11 that are provided with in the car, it forms two detection windows by four amplifiers, two NAND gate, is merged by a dual input NAND gate then.Sensor signal relatively triggers the output of NAND gate gating circuit through the amplifier window voltage.Car engine ignition blanking circuit 7 is transistor switchs, it is amplified by two aerotron cascades, diode, Zener in that the input end string has negative pole to dock connect into the automobile current generator neutral contact through the RC integration, and its transistor switch output connects automobile ignition coil.
The technical program is provided with hand-held pager 8, hand-held remote control projector 9 and hand-held prompting automatically and opens anti-theft alarm projector 101.Its hand-held pager is the communication pager.Remote control transmitter 9 is to be made of POCSAG programmable circuit 91, bikini crystal oscillator 92 and doubler 93, RF power amplification level and aerial circuit 95,96, the output frequency modulation bikini crystal oscillator 92 of POCSAG programmable circuit 91 wherein, modulated signal is by doubler 93, RF power amplification level 94 is to aerial circuit 95 couplings, by antenna 96 emissions.Automatically anti-theft alarm projector 101 is opened in prompting, is a micropower projector.
The advantage of paging network alarming device for automobile anti-theft of the present utility model: to the any-mode of car theft person illegal invasion, pyroelectric infrared transducer detects sensitively to its body temperature immediately in the car, and the activity of stealer can produce the mensuration of Doppler frequency shift, and constituting the dual sensing signal thus is enough to the startup of reporting to the police.The recognition function that sensor signal is relatively set by the amplifier window is when stealing feelings and seriously take place, even two detection probe are simultaneously destroyed, its output high level still can start alerting signal automatically; At the built-in rolling password of remote control transmitter, coding chip is pressed password spoon algorithm and is rolled, and its variation does not repeat, be difficult for broken releasing, and can start standby remote controller by the user change sign indicating number when remote controller is lost, the remote controller that makes it to lose lost efficacy, because decoding and fault tolerance power is strong, it is reliable to maintain secrecy; Simultaneously, the radio frequency power output of remote controller is bigger, and range of control can satisfy the big practical requirement of automobile flowing power; When this warning device sent when alerting signal, automotive engine was flame-out immediately, though and driving engine can be lighted a fire once more, then promptly extinguish again, can incur loss through delay the car opportunity of stealing, make it to be difficult to get away, the cooperation warning is restrained by law.This warning device also is provided with automatic prompting and opens the anti-theft alarm transmit receive unit, can remind legal car owner to lay the usefulness of warning.
Description of drawings
Fig. 1 is provided with block scheme in the utility model car
Fig. 2 is the two mirror window comparator circuit diagrams of the utility model
Fig. 3 is the utility model car engine ignition blanking circuit figure
Fig. 4 is the utility model hand-held remote controller block scheme
Fig. 5 is the utility model remote control emission radio circuit figure
Fig. 6 is that the utility model is pointed out unlatching anti-theft alarm transmit receive unit block scheme automatically.
Now be described in further detail the utility model in conjunction with the accompanying drawings and embodiments.
Referring to Fig. 1-3, the utility model is provided with paging receiver 1 in car, combined switch 2, POCSAG signal programmable microprocessor 3, projector 4 pyroelectric infrared transducers 51 and microwave Doppler transducer 52, two mirror window comparators 11, NAND gate gating circuit 6, car engine ignition blanking circuit 7, and power distribution circuit 12 is formed, wherein power distribution circuit 12 is controlled each circuit with power supply through combined switch 2, paging receiver 1 output connects POCSAG signal programmable microprocessor official's a signal input part, 11 two signal input parts of two mirror window comparators insert the mouth of two probes respectively, its output is connected to the control end of NAND gate gating circuit 6, and these NAND gate gating circuit 6 outputs drive car engine ignition blanking circuit 7 and POCSAG little processing 3 able to programme and projector 4 respectively.
Referring to Fig. 4-5, it is by POCSAG programmable circuit 91 for a transmission circuit, its control signal output frequency modulation bikini crystal oscillator 92, and frequency-modulated wave, is launched by antenna 96 to aerial circuit 95 couplings through doubler 93, RF power amplification level 94.
Shown in Figure 6 is that automatically anti-theft alarm transmit receive unit 10 is opened in prompting, it by one with micropower projector 101 and a cue receptor 102 constitute, this cue receptor 102 is installed in the automobile.
The utility model is an alarm for vehicle, is calling alarm for the car owner, can directly show license number or warning code name.Its working process, the user can use pager to send the warning instruction at any time, make power distribution give each circuit immediately by switchgroup, at this moment pyroelectric infrared transducer and microwave probe just drive POCSAG microprocessor coding and emission through two mirror window comparators, NAND gate gating circuit if any transducing signal voltage; Closing automobile engine ignition power supply forces stagnation of movement simultaneously.This state of alert has only the car owner to confirm to utilize pager just can remove when unnecessary.Certainly, can utilize pager to enable warning at any time again.If the car owner has forgotten cloth warning has been set, open antitheft alarm system by automatic prompting and can remind the layout warning, but also can utilize hand-held remote controller that stolen car is carried out replenishment control, make its parking, PTO Power Take Off and oil pump etc., thus realize alarm set point and monitoring point bi-directional roaming paging network alarming device for automobile anti-theft.
Sensor of the present utility model adopts the human body in pyroelectric infrared transducer and the microwave Doppler transducer combine detection illegal invasion car, it can survey the body temperature and the physical activity Doppler signal of its human body, these two sensors all belong to contactless sensing, tested human body is sensation not, and is convenient to again install snugly in the car.By four op amps, three two mirror window comparators that the NAND gate gating constitutes, voltage output to its two tunnel sensor signal, can think that then stealing feelings takes place, this signal triggers NAND gate output high level through the amplifier voltage ratio and starts warning device work, finishes the alerting signal emission and extinguishes automotive ignition.If two sensor probes of artificial destruction, as break and connect electric wire or the people is short circuit, by this circuit layout characteristics, it is approximate power line voltage that its output of amplifier input comparative voltage jumps, and makes NAND gate output high level auto alarm.
When alerting signal was sent, the car engine ignition circuit was by not normal attitude, at first sight, power supply is disconnected in the car, still can retrofire, but must not start to walk to travel, this is because the design of this firing circuit makes the normal starting positive source by ignition lock, through relay contact J
2J
1-2The cut-in point fire coil, J action when stealing the feelings generation, power supply is by ignition lock, through being in the T of conducting
18, D
1To high-tension coil, give engine ignition, then the electrical generator neutral contact of driving engine produces a voltage by R after startup
96, C
56Integration, triggering D
2, D
W, when this voltage makes D
WPuncture and be added on T
19Base stage forces conducting; At this moment T
18Be oppositely to end, spark current interrupts, engine off.Then repeat said process as starting once more, vehicle can not be started to walk all the time, plays stealer is caused illusion, and mistake has problem for the level of driving, and is beneficial to the user and cooperates warning to catch a thief.
The NAND gate gating circuit that Ben Chenei is provided with, its input connects the sensor signal of two mirror window comparators, chooses suitable R C time constant, and the outgoing level of step saltus step removes to control warning circuit and car engine ignition blanking circuit.
Ben Chenei is provided with power distribution circuit, adopt the multiple-way supply power formula of power distribution uniform, by the unified control of combined switch, overcome energising surge current and the voltage fluctuation thereof of moment, and can overcome wherein one road circuit high back voltage electro-motive force that the perception components and parts produce when having a power failure, guarantee each several part circuit stable operation.
The utility model is pointed out the unlatching anti-theft alarm high-frequency signal that transmit receive unit 2 sends when the micropower projector of carrying to be prompted signal receiver automatically and is received, its output low level, and audible alarm IC outage, the IC warning circuit is not worked.When the people leaves the high-frequency carrier signal circuit upset that vehicle 10-15m receptor can not receive projector, export high level and force, IC gets electric work, sound equipment and numeric display warning reminding car owner.After having laid warning, the IC outage quits work, and finishes automatic prompting and opens anti-theft feature.
The utility model is handed pager, is used to steal feelings and monitors, so that enforcement warning and startup are reported to the police, this pager removes and is used for the auto alarm supervision, does not influence the communication paging and uses.Hand-held remote control adopts rolling code to encrypt, make it be difficult to brokenly release, its each password that rolls is to be worked out by many groups multidigit, as earlier by 12 locative preposition preamble codes, 5 position degrees of data initial codes, 32 bit encryption rolling synchronous codes, 28 bit serial customer numbers, 4 key-press status sign indicating numbers, 2 end mark code characters are combined into a frame, every button once, coding chip is pressed key-encryption algorithm rolling amount one frame password.And 5.77 * 12
17During changing, never repeats by the frame password.This remote control coding is not afraid of stolen or is lost, and can enable standby remote controller by the user, automatically generates new pairing through the study mouthful new reference code of memory and compile and separate circuit in case lose, and that loses remote operatedly lost efficacy thereupon.Can import 15 groups of different reference codes by memory function, and can prepare arbitrarily, can prepare 5 decoding circuits of clothes at last, its decoding and fault tolerance power is strong, and it is reliable, practical to maintain secrecy.
This hand-held remote controller POCSAG programmable circuit is the paging receiver number that writes in advance, message address, read repeatedly with user's particular rate by the POCSAG signal, to bikini crystal oscillator frequency modulation, present frequency-modulated wave through doubler, RF power amplification level and mate, reach the warning purpose by the antenna emission to aerial circuit.
The utility model embodiment, a kind of paging network alarming device for automobile anti-theft that utilizes is by paging receiver 1 is set in the automobile, combined switch 2,4 one pyroelectric infrared transducers 51 of POCSAG signal programmable microprocessor 3 projectors and a microwave Doppler transducer 52, two mirror window comparator 11 NAND gate gating circuits 6, car engine ignition blanking circuit 7 and automatic prompting are opened anti-theft alarm receiving device 10 power distribution circuits 12 and are constituted, wherein power distribution circuit 12 is by the power supply of combined switch 2 each circuit of control, paging receiver 1 output connects a signal input part of POCSAG signal programmable microprocessor 3,11 two input ends of two mirror window comparators insert the mouth of pyroelectric infrared transducer 51 and microwave Doppler transducer 52 respectively, its output is connected in the input control end of NAND gate gating circuit 6, these NAND gate gating circuit 6 outputs are one tunnel connection car engine ignition blanking circuits 7, and the input end and the projector 4 of POCSAG programmable microprocessor 3 inserted on another road.
It is made up of two mirror window comparator 11 four amplifiers, three NAND gate, and wherein two amplifiers and a NAND gate are one group, and two group window comparator output voltages merge output by a dual input NAND gate.The NAND gate gating circuit, the transistor switch that two aerotron cascades of car engine ignition blanking circuit 7 usefulness are amplified, aerotron T when normal condition
19For ending, and T
18Be in saturation conduction, ignition wire encloses and obtains+12V voltage engine ignition automobile start.As the aerotron T that is on the alert
19Produce about 6-8V voltage by electrical generator, through R
96, C
58Integration makes its D
WPuncture conducting T
19,, force T because that circuit is connected into cascade is reverse
18End, spark current is closed, engine off.
The hand-held pager of the utility model embodiment is made the usefulness of warning supervision, selects medium-sized beeper for use, and the anti-theft alarm transmit receive unit is opened in prompting automatically, and projector is RCM-1A, and receptor is KCM-18.
The utility model hand-held remote controller encode circuit 91 adopts the performance-oriented micro controller system of a slice 89C2051, radio circuit adopts fundamental frequency 14.8～18.8MHz bikini crystal oscillator 92, frequency modulation is exported about 5W power feed aerial circuit 95 couplings, is launched by antenna 96 by radio-frequency power amplifier 93 after letter frequency level 93 9 frequencys multiplication obtains 134-170MHz.
Claims (5)
1. one kind is utilized the paging network alarming device for automobile anti-theft, comprise paging receiver (1) is set in the car, combined switch (2), POCSAG signal programmable microprocessor (3), projector (4), sensor (5), NAND gate gating circuit (6), car engine ignition blanking circuit (7), hand-held pager (8), in holding remote control transmitter (9) and pointing out automatically and open anti-theft alarm transmitting-receiving injection device (10), it is characterized in that the sensor (5) that is provided with in the car is a pyroelectric infrared transducer (51) and a microwave Doppler transducer (52) dual technology sensor, be provided with in the car and also have two mirror window comparators (11), automatically anti-theft alarm receptor (102) is opened in prompting, power distribution circuit (12), be provided with in the described car, power distribution circuit (12) is controlled the power supply of each circuit through combined switch (2); The output of paging receiver is connected to a signal input part of POCSG signal programmable microprocessor 3, (11) two input ends of two mirror window comparators insert the mouth of pyroelectric infrared transducer (51) and microwave Doppler transducer (52) respectively, its output is connected in NAND gate gating circuit (6), a road of this NAND gate gating circuit (6) output connects car engine ignition blanking circuit (7), POCSAG signal programmable microprocessor (3) signal input part is inserted on another road, microprocessor (3) output modulation transmitter (4).
2. a kind of paging network alarming device for automobile anti-theft that utilizes as claimed in claim 1, it is characterized in that: hand-held remote control projector (9) is to be made of POCSAG signal programmable circuit (91), bikini crystal oscillator (92), doubler (93), RF power amplification level (94) and aerial circuit (95), (96), POCSAG signal programmable circuit (91) output frequency modulation bikini crystal oscillator (92), its modulated signal, is launched by antenna (96) to aerial circuit (95) coupling through doubler (93) RF power amplification level (94).
3. a kind of paging network alarming device for automobile anti-theft that utilizes as claimed in claim 1, it is characterized in that: two mirror window comparators (11) are formed two road detection windows by four amplifiers, three NAND gate circuit, its amplifier window comparator output is the single input nand gate of serial connection, merges output by the double input end NAND gate then.
4. a kind of paging network alarming device for automobile anti-theft that utilizes as claimed in claim 1, it is characterized in that: the car engine ignition blanking circuit is that (7) are connected into the transistor switch that cascade is amplified by two aerotrons, diode and Zener in the butt joint of input end serial connection negative pole, connect the automobile current generator neutral contact through the RC integration, connect automobile ignition coil behind its transistor switch output serial connection relay contact.
5. a kind of paging network alarming device for automobile anti-theft that utilizes as claimed in claim 1, it is characterized in that: automatically anti-theft alarm transmit receive unit (10) is opened in prompting, and it is by audible alarm IC and digital display cue receptor (102) formation by a micropower projector (101) of carrying and one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99258504U CN2404767Y (en) | 1999-12-16 | 1999-12-16 | Automobile theft-proof alarming device using paging network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99258504U CN2404767Y (en) | 1999-12-16 | 1999-12-16 | Automobile theft-proof alarming device using paging network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2404767Y true CN2404767Y (en) | 2000-11-08 |
Family
ID=34041087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99258504U Expired - Fee Related CN2404767Y (en) | 1999-12-16 | 1999-12-16 | Automobile theft-proof alarming device using paging network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2404767Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104520152A (en) * | 2012-08-10 | 2015-04-15 | 奥迪股份公司 | Motor vehicle with encrypted bus data |
-
1999
- 1999-12-16 CN CN99258504U patent/CN2404767Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104520152A (en) * | 2012-08-10 | 2015-04-15 | 奥迪股份公司 | Motor vehicle with encrypted bus data |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: MA WENDU Free format text: FORMER NAME OR ADDRESS: LANG SHENGMING |
|
| CP03 | Change of name, title or address |
Address after: 100023 Beijing Chaoyang District City West No. 2 1 floor, 5 door No. 5 B Patentee after: Ma Wendu Address before: 321100 No. 28, sharp horn, Lanxi, Zhejiang Patentee before: Lang Shengming |
|
| C56 | Change in the name or address of the patentee |
Owner name: LANG SHENGMING Free format text: FORMER NAME OR ADDRESS: MA WENDU |
|
| CP03 | Change of name, title or address |
Address after: 321100 No. 28, sharp horn, Lanxi, Zhejiang Patentee after: Lang Shengming Address before: 100023 Beijing Chaoyang District City West No. 2 1 floor, 5 door No. 5 B Patentee before: Ma Wendu |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |