CN2384813Y - Fully automatic wireless alarm device for automobile - Google Patents

Abstract

The utility model relates to a fully automatic wireless alarm device for automobile, which is positioned by a satellite positioner (Global Positioning System). The utility model is composed of a computer control system of a single sheet, a voice circuit, a double audio communication system, a portable mobile telephone, etc. The alarm device can automatically call the portable mobile telephone go send alarm information when automobile appears great and abnormal accidents. Various alarm information is reported to users through the portable mobile telephone in voice. Detailed alarm information is delivered to a central station through a DTMF double audio sending and receiving communication circuit.

Description

Automobile full-automatic wireless alarm

The utility model relate to a kind of automobile meet traffic accident can self-orientation, dial the alarm of mobile telephone automatically.

In June, 98, on behalf of domestic and international GPS (Global positioningSystem), " GPS of the Daheng moving target management system " of Beijing company of Daheng 98 editions develop recent developments at present in Beijing " the international GPS exhibition of the Chinese first ".On the cash transit carrier of some large-and-medium size cities traffic accidents processing cars and bank global positioning system (GPS) and communication apparatus such as vehicle-mounted interphone or data radio station have been installed, when traffic accident, traffic management system will look for one apart from the nearest settlement of accident car place to go director event of mis-use breakdown distance location by central sation.Bank note transport car when transporting banknote then with total All-China Federation of Taiwan Compatriots is constantly.Communication distance is subjected to the distribution influence of base station, must set up the central sation processing data specially simultaneously.

The purpose of this utility model is that a kind of automobile full-automatic wireless intelligent alarm instrument will be provided, and it can give the user with computerized speech by Advise By Wire with alarm message.

The purpose of this utility model is achieved in that when the vehicle that is loaded with this instrument and (collision, overturning etc.) when unusual occur, the Single Chip Microcomputer (SCM) system of forming by 80C52, gather the location coordinates (longitude and latitude) and the type of alarm of GPS output, dial the cellular telephone machine simultaneously, and control sound circuit and double-tone receive and dispatch communication circuit frequently, and it can send alarm message to user and response long-distance user control command.

Global positioning system adopts Japan's ancient wild GN-77N OEM dash receiver (detail file Beijing company of Daheng provides free), is characterized in that price is low, volume little (39 * 58 * 12), (39 gram) in light weight, 0.5W low-power consumption, 26 meters of unit accuracy of positionings, data are the output of serial Transistor-Transistor Logic level.The cellular telephone machine adopts PHILIPS TCD-308 type, is characterized in that price is low, volume is little, keyboard is connected with micro controller system easily.

The present invention will be illustrated by its specific embodiments and the drawings.

Figure 01 is total block scheme, and by global positioning system (1), the locating information that transmits is passed to microprocessing systems (2) in real time, preserves in microprocessing systems.When alarm message (6) (collision, overturning, viteous fracture etc.), the microprocessing systems information that receives the report for police service, will be by keyboard control circuit (7), dial cellular telephone machine (4), information is notified to the user, voice are to be produced (3) the bi-directional information of can also communicating by letter frequently by double-tone in addition by sound circuit (5).

Total system connects sees accompanying drawing 02, and wherein plug JGPS connects the gps satellite orientator.

Accompanying drawing 03 is a microprocessing systems, adds that by 89C52 peripheral parts form.Integrated circuit U102 is the X25045 monitoring chip, and there are uP monitoring and Watch Dog WatchDog Timer, 512 bytes of serial EEPROM in its inside.LED1 uses for the mode of operation that shows CPU.

Accompanying drawing 04 is a sound circuit, add that by ISD2500 peripheral parts form, ISD2500 is the high-quality monolithic audio record circuit that American I SD company produces, and its inside is made up of oscillator, voice memory unit, preamplifier, automatic gain control circuit, anti-interference filter, out amplifier.The recording-reproducing system of a minimum only is made up of a microphone, loudspeaker, two buttons, power supply, a minority resistance capacitance.Recording substance deposits the permanent storage unit in, and the zero energy information storage is provided, and this unique method is the patent by means of American I SD company---and DAST (DAST TM) is realized.Utilize it, voice and sound signal are directly stored, and enter eeprom memory with its analog form originally.The direct modeling storage allows to use a kind of monolithic solid circuit methods to finish its reproduction of voice originally.Not only voice quality is winning, and the protection of outage voice.Tonequality is good, and is easy to use, need not special-purpose advantages such as voice development system.

Accompanying drawing 05 adds that by MT8880 peripheral parts form DTMF (Dual-ToneMultifregency) double-tone and receive and dispatch communication circuit frequently, it is characterized in that adopting having transmitting-receiving with the integrated package frequently of the double-tone on a slice.The instruction of its energy receiving remote also can send alarm message.

The principle of compositionality of this module is made of two submodules as shown in Figure 13, is respectively DTMF transceiver module (2), signal tone judge module (3).The data line of these two modules, signal wire (SW) and control line are connected with micro controller system (1) with data-interface by control.Wherein D represents data line, and C represents control, and S is that signal tone is judged line.Finish being connected of microprocessing systems and cellular telephone machine (4).

Accompanying drawing 06 is the phone intercom master cock, by MIC, the SPEAK switch that monolithic processor controlled 74LS377 latchs, analog switch 4016 is controlled.

Accompanying drawing 07 is a vehicular telephone keypad circuit, the off-hook of cellular telephone machine and on-hook are the switch circuits by singlechip microcomputer control, off-hook has dual mode by singlechip microcomputer control, and the one, the active off-hook of alert event takes place, the 2nd, call ring and off-hook.The on-hook mode have two kind one be report to the police finish the back by singlechip microcomputer control initiatively the on-hook another kind be by passive automatic hand-up after the other side's on-hook.Form by d type flip flop integrated package (74LS377), switch block 4051.74LS377 latchs key commands and goes to carry out key commands by special switch integrated package 4051 when single-chip computer control system sends key commands, and this order is dialed and answered mobile telephone set and uses.

Accompanying drawing 8 is to report to the police and the interface microcontroller circuit, and information is overturned warning sensor such as sensor and formed by being contained in acceleration pick-up, glass break sensors, car body in the alarm.Information is passed through Schmidt (4093) by eight input nand gates (74LS30) and is exported being electrically connected of (74LS244) integrated package with three-state, produces the (/INT1) interruption of reporting to the police to one-chip computer.

Accompanying drawing 09 is the ring decision circuitry.The ring of cellular telephone machine is a 800HZ left and right sides 4V P-P peak voltage for its signal tone frequency of bell sound independently.Through D701D, 702 rectifications and C702 filtering Q701 shaping, produce ring by interruption/INT0 to one-chip computer and interrupt.

Accompanying drawing 10 acceleration pick-ups (R801) are made of resistance strain gage, resistance strain gage one end is other end freedom fixedly, make under of (collision) at the external force acceleration/accel, the mechanical damping that produces about 30Hz is vibrated, is made its strain-gauge distortion and the variation of resistance value along with the cycle takes place, the amplification of the conversion by electric current, voltage, 25～45Hz bandpass amplifier again, rectification, by eight input nand gates (74LS30) by being electrically connected of Schmidt (4093) and ternary output (74LS244) integrated package, produce the (/INT1) interruption of reporting to the police to one-chip computer.

Accompanying drawing 11 glass break sensors PY-1A are a kind of intense ultrasonic wave sensors, and its characteristic curve almost is smooth by 0-1000KHz.Through bandpass amplifier amplification, rectification, pass through Schmidt (4093) by eight input nand gates (74LS30) and export being electrically connected of (74LS244) integrated package with three-state, produce warning (/INT1) interruption to one-chip computer.

Accompanying drawing 12 is unidirectional 101 miniature mercury switches, overturns sensor as car body, turn 90 degrees when above mercury switch as traffic accident car body rollover and connects.See Fig. 8, by eight input nand gates (74LS30) by being electrically connected of Schmidt (4093) and ternary output (74LS244) integrated package, produce the (/INT1) interruption of reporting to the police to one-chip computer.

What the data-transformation facility of mobile telephone set was used at present is fewer, so the price height, volume is big.Incompatibility is used for making the warning quasi-instrument.What the utility model adopted is that one-chip computer passes through by d type flip flop integrated package (74LS377), forms by switch integrated package (4051), being electrically connected of direct and cellular telephone switch dish.Because it is few that the many one-chip computers of warning kind interrupt, the utility model produces the (/INT1) interruption of reporting to the police for expand having interrupted having adopted eight input nand gates (74LS30) by being electrically connected of Schmidt (4093) and ternary output (74LS244) integrated package to one-chip computer.Be characterized in simple, price is low, programming is easy.

Claims (3)

1, automobile full-automatic wireless alarm: by global positioning system (1), one-chip computer microprocessing systems (2), double-tone frequency communication circuit (3), cellular telephone machine (4), sound circuit (5), it is characterized in that: one-chip computer is electrically connected with warning sensor (6), one-chip computer is electrically connected with keyboard switch control (7).

2, automobile full-automatic wireless alarm according to claim 1, it is characterized in that: warning sensor (6) is electrically connected, pass through Schmidt (4093) by eight input nand gates (74LS30) and export being electrically connected of (74LS244) integrated package, produce the (/INT1) interruption of reporting to the police to one-chip computer with three-state.

3, automobile full-automatic wireless alarm according to claim 1 is characterized in that: keyboard switch control circuit (7), the cellular telephone switch dish of forming by d type flip flop integrated package (74LS377), by switch integrated package (4051) is electrically connected.

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