CN2481584Y

CN2481584Y - Theftproof monitoring device for motor vehicle

Info

Publication number: CN2481584Y
Application number: CN 01222002
Authority: CN
Inventors: 姜跃东
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-05-03
Filing date: 2001-05-03
Publication date: 2002-03-13
Anticipated expiration: 2011-05-03

Abstract

The utility model discloses a theft-proof monitoring device for motor vehicle, wherein a transceiving diverter switch is connected with a high-frequency amplified filter circuit, a filter and a mixer are connected to the amplified filter circuit, a receiving local oscillator circuit is also connected with the amplified filter circuit via the mixer, the circuit is connected with a central processing unit via an intermediate frequency processor and a radio frequency interface circuit, a program memory, an address code memory, a sound memory, a loudspeaker and a dynamic exclusive mechanism are respectively connected with the processing unit; the central processing unit is also connected with an antenna switch via the radio frequency interface circuit, the intermediate frequency processor, an emission VCO circuit, a pre-amplifier circuit, a power magnify circuit and the filter. The device can call the brake vehicle and call the police after automobile is stolen.

Description

Motor vehicle antitheft prognosis measure control monitor unit

The utility model relates to a kind of motor vehicle antitheft warning device, is a kind of motor vehicle antitheft prognosis measure control monitor unit specifically.

It is to report to the police in advance in the territorial scope that owner can receive mostly that present self-propelled vehicle is reported to the police, and once stolen, does not have countrmeasure, causes damage to the car owner.

The purpose of this utility model is to provide a kind of motor vehicle antitheft prognosis measure control monitor unit, it is reported to the police in stolen back, and prognosis can be taken measures, and both can brake rapidly under car owner's Long-distance Control, and can find the region, facilitate for solving a case early to retrieve a loss.

The technical solution of the utility model is as follows:

This device connects the High frequency filter amplifying circuit by the transceiver change-over switch, insert filter amplification circuit through filter, frequency mixer again, receive a local oscillation circuit in addition and also insert filter amplification circuit through frequency mixer, this circuit connects intermediate frequency processor, this treater connects radio-frequency interface circuit, this interface circuit connects central process unit, and central process unit connects program store, address code memory device, power IC, speech memory, loud speaker, powered actuation mechanism respectively; Central process unit also receives the change-over switch of posting a letter through radio-frequency interface circuit, intermediate frequency processor, emission VCO circuit, pre-amplification circuit, power amplification circuit, filter.

Above-mentioned transceiver change-over switch is by switching switch circuit controller B ₁₀₁, switch controlled stage K ₁₀₁And peripheral cell is formed K ₁₀₁Through C ₁₀₂Connect by bandpass filter FL400, coupling capacitance C ₁₀₃, radioamplifier Q ₁₀₃The High frequency filter amplifying circuit of forming.Connect capacitor C through filter FL401 again ₁₀₈, aerotron Q ₁₀₄The mixer circuit of forming, this circuit connects by filter FL402, aerotron Q ₁₀₅The filter amplification circuit of forming; Receive a local oscillation circuit in addition, it is to receive a local frequency synthesizer, mainly by local oscillator voltage controlled oscillator (VCO) U ₂₅₀, Q ₁₀₆Form, it is the capacitor C in mixer also ₁₁₈Insert filter amplification circuit, this circuit connects through C ₁₀₉Connect intermediate frequency processor, 1 pin of IC1U300,6 of intermediate frequency processor, 7 pin meet radio-frequency interface circuit IC7, this interface circuit meets central processor CPU I C2,5 of MC68338,1,2,3,4 pin, 6 of central process unit, 7,8,9 pin connect program store IC3FIASH, 12 pin connect address code memory IC 5 ISD142021,22,23,24,25 pin connect power IC IC6GCAP32092, this integrated circuit also connects SIM, 13 of central process unit, 14 pin connect speech memory IC4 EEPROM, its 11 pin connects the loud speaker warning circuit, 10 pin interlock power actuating units; Central process unit connects 11,12,13,14 pin of intermediate frequency processor also through radio-frequency interface circuit IC7, the 4 pin output of intermediate frequency processor IC1, and the local oscillator voltage controlled oscillator (VCO) U350 of VCO circuit is penetrated in sending and receiving, and this circuit is through pre-amplification circuit aerotron Q ₁₀₈, Q ₁₀₉Connect power amplification circuit, 2 pin of IC8U300PA102, the 8 pin output of this amplifying circuit meets switch controlled stage K through filter ₁₀₁

Above-mentioned powered actuation mechanism is that 10 pin by central process unit IC2 are through aerotron Q ₂₀₂Connect photoelectrical coupler G ₁₀₀, coupler penetrate cascade aerotron Q ₈₀₁, Q ₈₀₂, Q ₈₀₂Emitting stage interlock power power element, current collection cascade relay J _D101, the power power element connects the contact of this relay; The power power element is by Q ₈₀₂Drive electric motor and magnetic clutch.

The above-mentioned loud speaker that central process unit connected is that the 11st pin of central process unit IC2 is through resistance R ₄₀₁Connect master cock pipe Q ₂₀₃And photoelectrical coupler G ₁₀₁, this coupler is through aerotron Q ₉₀₁, Q ₉₀₂Connect relay J _D102This relay connects loud speaker.

Advantage of the present utility model is: 1, this device can be reported to the police after stolen, and promptly the monitored control system of car owner on car made a phone call, and car can be braked rapidly under Long-distance Control, and can find the region, facilitates for solving a case early to retrieve a loss.2, this device total system is simple and practical, and element is general, and cost is low.3, volume is little, and is light, can hidden arrangement should not be found.4, because of transmitting signal by mobile communication network, thus how much there are some blind areas, can be once more or repeatedly control and avoid this phenomenon to take place, the theft-proof realization of not overslaugh integral body.

Fig. 1 is the utility model circuit block diagram;

Fig. 2 is the utility model embodiment schematic circuit diagram;

Fig. 3 is the utility model embodiment loud speaker warning circuit schematic diagram;

Fig. 4 is that the utility model 13MHZ reference clock produces circuit;

Fig. 5 is the schematic circuit diagram of the utility model power amplifier feed circuit.

The utility model is described in further detail below in conjunction with accompanying drawing.

Can see by Fig. 1, this device connects the High frequency filter amplifying circuit by the transceiver change-over switch, insert filter amplification circuit through filter, frequency mixer again, receive a local oscillation circuit in addition, produce oscillator signal, in frequency mixer, enter filter amplification circuit after the mixing with received signal, this circuit connects intermediate frequency processor, this treater connects radio-frequency interface circuit, this interface circuit connects central process unit, and central process unit connects program store, address code memory device, power IC, speech memory, loud speaker, powered actuation mechanism respectively; Central process unit also receives the change-over switch of posting a letter through radio-frequency interface circuit, intermediate frequency processor, emission VCO circuit, pre-amplification circuit, power amplification circuit, filter.

Can see that by Fig. 2 antenna control is by switching switch circuit controller B ₁₀₁, switch controlled stage K ₁₀₁And the peripheral cell composition, its effect is to make device collect mail and post a letter switching between the part, and control end TKG is provided by microprocessor, and promptly 3 of CPU, 4 pin meet TKG, and A, end are low level under free state, so the output of B end no signal voltage is K ₁₀₁Be in information receiving state, when emission state, CPU holds a high level signal to A, makes K ₁₀₁Be in the state of posting a letter.

K ₁₀₁Through C ₁₀₅Connect by bandpass filter FL400, coupling capacitance C ₁₀₃, radioamplifier Q ₁₀₃The High frequency filter amplifying circuit of forming is sent into filter FL401 filtering again after filtering is amplified, send into capacitor C then ₁₀₈, aerotron Q ₁₀₄The mixer circuit of forming, from the GMS signal of high-frequency amplifier circuit, the local oscillation signal of sending here with RXVCO is through coupling capacitance C ₁₁₉Q is sent in coupling ₁₀₄, put level during mixed frequency signal is sent into, Q ₁₀₄Bias voltage provide by RX-GSM; Signal after the mixing is through C ₁₀₈Send filter FL402 to select intermediate-freuqncy signal and send into aerotron Q by this filter ₁₀₅Middle 1 pin demodulation of amplifying the back to intermediate frequency processor IC1, aerotron Q ₁₀₅Bias voltage provide by SW-VCC.6,7 pin of intermediate frequency processor are exported RXI, RXQ signal respectively, meet radio-frequency interface circuit IC7;

In the radio-frequency interface circuit, the data serial ground input central processor CPU after orthogonal simulation baseband signal RXI, RXQ, i/q signal change through A/D carries out respective handling, sampling, phase bit recovery, deciphering, deinterleaving and channel encoding in CPU.Radio-frequency interface circuit meets central processor CPU IC2,5,1,2,3,4 pin of MC68338.

Central process unit has connected its storage inside of the program store IC3FLASH job procedure of system, the work of coordination each several part, during work, CPU sends a reset signal and gives FLASH, makes system reset, treat that again cpu is the read-write end DE of FLASH, WE sheet choosing end gating after, CPU just takes out instruction in FLASH, computing in CPU, decoding, the order of output each several part co-ordination.

12 pin of central process unit connect address code memory IC 5ISD1420;

21,22,23,24,25 pin of central process unit connect this integrated circuit of power IC IC6GCAP32092 and also connect SIM;

Central process unit also connects speech memory IC4, and the memory element in this chip is EEPROM, can change the voice memory contents at any time, when being used for the car owner and changing, changes voice content; Analog voice enters from microphone under the situation that recording allows, and amplification, filtering are sampled in sampling clock generation circuit in chip, carries out the A/D conversion at last in the voice memory feature, decoding and storage.Can store following content: " in your public security service circumference * * kilometer, have a * * color * * board * * type car stolen, now braked by the car owner, and send alerting signal, please track down your native place, please thanks by fast carriage return main telephone 0476-****** again.”

The TX-SPI signal that is sent by radio-frequency interface circuit IC7 is delivered to the 11-14 pin of intermediate frequency processor, signal is modulated back 4 pin output in intermediate frequency processor IC1 inside with two local oscillation signals and is sent into TXVCO module local oscillator pressure oscillator U350, and this circuit is the emission medium-frequency modulation signal and the TX-VCO signal that produces own is synthetic transmits through pre-amplification circuit aerotron Q ₁₀₈, Q ₁₀₉TX-VCO signal after the amplification connects 2 pin of power amplifier module IC8U300PA102, and this amplification module makes the intensity that transmits enough strong, sends into switch controlled stage K through 8 pin ₁₀₁

Above-mentioned powered actuation mechanism is that 10 pin by central process unit IC2 are through aerotron Q ₂₀₂Connect photoelectrical coupler G ₁₀₀, coupler penetrate cascade aerotron Q ₈₀₁Q ₈₀₂, Q ₈₀₂Emitting stage interlock power power element, current collection cascade relay J _D101, the power power element connects the node of this relay; The power power element is by Q ₈₀₂Drive electric motor and magnetic clutch.

Can see the loud speaker warning circuit that central process unit connects by Fig. 3, it is that the 11st pin of central process unit IC2 is through resistance R ₄₀₁Connect master cock pipe Q ₂₀₃, photoelectrical coupler G ₁₀₁, this coupler is through aerotron Q ₉₀₁, Q ₉₀₂Connect relay J _D102, this relay connects loud speaker.

After data-signal arrives central processor CPU, after the CPU inter-process, export two path control signal simultaneously, the one tunnel is 10 pin start-up control switch Q ₂₀₂And photoelectrical coupler G ₁₀₀Thereby, make powered actuation mechanism work by additional power source; Warning circuit is raised in the i.e. 11 pin startup in another road.Wherein the work-hours of powered actuation mechanism is 5 seconds, and loud speaker is because of the permanent adhesive of relay, thus its work-hours from, till exhausting to accumulator electric-quantity.

Can see 13MHZ reference clock circuit by Fig. 4, it mainly is by crystal oscillator body Y ₁₁₁K with control output ₁₁₁Form Deng element, its effect is to produce a stable clock signal, and 13MHZ by the output of 5 pin, sends into 40 pin of central process unit, in order to coordinate CPU the not plain work of bar is arranged, and another part is sent into phaselocked loop and made phase demodulation usefulness.

Can see the feed circuit of power amplification circuit by Fig. 5, mainly by Q ₁₁₀With control tube K ₂₀₁Form, when being in emission state, CPU sends the DM-CS signal, makes aerotron Q ₁₁₀Conducting, control tube K ₂₀₁4 pin be low level, make K ₂₀₁Conducting, cell pressure is sent into from 1,2,3 pin, and 5,6,7,8 pin are sent PA-B+ voltage, for U300 and Q ₁₀₈With.

After self-propelled vehicle is stolen, horse back mounted anti-theft monitoring system on car was made a phone call after the car owner found, as dialling the 13604761101+ code number, if this monitored control system is in mobile communication Cellular Networks scope, after then receiving signal, immediately signal is sent into the High frequency filter amplifying circuit through antenna control, behind the elimination clutter, enter mixer circuit and receive the VCO mixing, again through filtering and amplification, enter 1 pin of intermediate frequency processor, through inter-process from 6,7 pin export radio-frequency interface circuit IC7 to, send into central processor CPU after treatment, after the inner respective handling of CPU, from 10,11 pin are exported two drive signals, and one the road to powered actuation mechanism, and another road is to the loud speaker warning circuit.And then CPU dials local 110 alarm calls rapidly by fixed routine, after waiting to connect, CPU accesses the voice signal of having stored from speech memory, after respective handling, handle accordingly by radio-frequency interface circuit inside, send into intermediate frequency processor by 11,12,13,14 pin of intermediate frequency processor IC1 then, through inner demodulation, export from the 5th pin, reach emission VCO module, portion produces and transmits within it, transmits through preposition amplification, power gain and filtering remove interference noise, are emitted to 110 local alarm stations by sky bundle of lines voice signal at last.Under the situation of conditions permit, 110 alarm stations can be found the particular location of robbed or burgled car by mounted electronics base figure software.

Claims

1, a kind of motor vehicle antitheft prognosis measure control monitor unit, it is characterized in that: it connects the High frequency filter amplifying circuit by the transceiver change-over switch, insert filter amplification circuit through filter, frequency mixer again, receive a local oscillation circuit in addition and also insert filter amplification circuit through frequency mixer, this circuit connects intermediate frequency processor, this treater connects radio-frequency interface circuit, this interface circuit connects central process unit, and central process unit connects program store, address code memory device, power IC, speech memory, loud speaker, powered actuation mechanism respectively; Central process unit also receives the change-over switch of posting a letter through radio-frequency interface circuit, intermediate frequency processor, emission VCO circuit, pre-amplification circuit, power amplification circuit, filter.

2, motor vehicle antitheft prognosis measure control monitor unit according to claim 1, it is characterized in that: its transceiver change-over switch is by switching switch circuit controller B ₁₀₁, switch controlled stage K ₁₀₁And peripheral cell is formed switch controlled stage K ₁₀₁Through C ₁₀₂Connect by bandpass filter F L400, coupling capacitance C ₁₀₃, radioamplifier Q ₁₀₃The High frequency filter amplifying circuit of forming connects capacitor C through filter FL401 again ₁₀₈, aerotron Q ₁₀₄The mixer circuit of forming, this circuit connects by filter FL402, aerotron Q ₁₀₅The filter amplification circuit of forming; Receive a local oscillation circuit in addition, it is to receive a local frequency synthesizer, mainly by local oscillator voltage controlled oscillator (VCO) U ₂₅₀, Q ₁₀₆Form, it is the capacitor C in mixer also ₁₁₈Insert filter amplification circuit, this circuit connects through C ₁₀₉Connect intermediate frequency processor, 1 pin of IC1U300,6 of intermediate frequency processor, 7 pin meet radio-frequency interface circuit IC7, this interface circuit meets central processor CPU IC2,5 of MC68338,1,2,3,4 pin, 6 of central process unit, 7,8,9 pin connect program store IC3FIASH, 12 pin connect address code memory IC 5 ISD142021,22,23,24,25 pin connect power IC IC6GCAP32092, this integrated circuit also connects SIM, 13 of central process unit, 14 pin connect speech memory IC4 EEPROM, its 11 pin connects the loud speaker warning circuit, 10 pin interlock power actuating units; Central process unit connects 11,12,13,14 pin of intermediate frequency processor also through radio-frequency interface circuit IC7, the 4 pin output of intermediate frequency processor IC1, and the local oscillator voltage controlled oscillator (VCO) U350 of VCO circuit is penetrated in sending and receiving, and this circuit is through pre-amplification circuit aerotron Q ₁₀₈, Q ₁₀₉Connect power amplification circuit, 2 pin of IC8U300PA102, the 8 pin output of this amplifying circuit meets switch controlled stage K through filter ₁₀₁

3, motor vehicle antitheft prognosis measure control monitor unit according to claim 1 is characterized in that: its powered actuation mechanism is that 10 pin by central process unit IC2 are through aerotron Q ₂₀₂Connect photoelectrical coupler G ₁₀₀, coupler penetrate cascade aerotron Q ₈₀₁, Q ₈₀₂, Q ₈₀₂Emitting stage interlock power power element, current collection cascade relay J _D101, the power power element connects the contact of this relay; The power power element is by Q ₈₀₂Drive electric motor and magnetic clutch.

4, motor vehicle antitheft prognosis measure control monitor unit according to claim 1 is characterized in that: its loud speaker that central process unit connected is that the 11st pin of central process unit IC2 is through resistance R ₄₀₁Connect master cock pipe Q ₂₀₃And photoelectrical coupler G ₁₀₁, this coupler is through three plate pipe Q ₉₀₁, Q ₉₀₂Connect relay J _D102, this relay connects loud speaker.