CN2139536Y - Multifunctional automatic language alarm for motor-driven vehicle - Google Patents

Abstract

The utility model discloses a multifunctional automatic language alarm for a motor-driven vehicle, which is used for the safe driving of a motor-driven vehicle, such as an automobile, etc. The utility model comprises three parts of an input circuit, an automatic discrimination circuit and a language output circuit. The output signals of the nine sensors of vehicle speed, oil pressure, door seal, gasoline quantity, water temperature, motor oil, reverse running, electric current and braking are amplified and compared with the input circuit. Overrunning signals are sent into the automatic discrimination circuit, the automatic discrimination circuit encodes input signals and discriminates continuous and interrupted alarm signals, and thus the continuous or interrupted alarm of the speech circuit is controlled. The speech memory of the speech output circuit is memorized in segments with the speech alarm signals of the driving status of the nine motor vehicles.

Description

Multifunctional automatic language alarm for motor-driven vehicle

The utility model is a kind of multifunction motor vehicle automatic phonetic alarm that motor vehicle safety such as automobile is driven that is used for.

The annunciator that is used for self-propelled vehicle at present has a variety of, but has following shortcoming: 1. alarm content is few, can not reflect the driving condition of self-propelled vehicle comprehensively; 2. type of alarm is simple, does not have automatic discriminating power; 3. audio alert simple project such as only limit to move backward, pull in.

The purpose of this utility model promptly is to overcome the deficiencies in the prior art, designs a kind of self-propelled vehicle automatic phonetic alarm, can reflect the driving condition of self-propelled vehicle comprehensively, and various states are differentiated automatically, then provides comprehensive and accurate audio alert.

The utility model is made of input circuit, automatic identification circuit, voice output circuit three parts.Input circuit carries out amplification ratio to nine sensor output signals such as the speed of a motor vehicle, oil pressure, door envelope, amount of gasoline, water temperature, machine oil, reversing, electric current, brakes, send automatic identification circuit the signal that transfinites; Automatic identification circuit is encoded to incoming signal and is differentiated continuous and discontinuous alerting signal, thereby the control sound circuit is continuous or interruption is reported to the police; Fragmented storage has the audio alert signal of above-mentioned 9 motor vehicle driving states in the speech memory of voice output circuit.

Compared with prior art the utlity model has following advantage: 1. made full use of original sensor of self-propelled vehicle and power supply, cost is low, easy to install; 2. gathered nine road signals that can comprehensively reflect the motor vehicle driving situation, can carry out comprehensively monitoring and overload alarm the motor vehicle driving state; 3. can differentiate continuous alarm automatically and be interrupted warning, and provide corresponding audio alert signal respectively; 4. the employing speech synthesis technique provides complete audio alert comprehensively.

Accompanying drawing is an embodiment of the present utility model.

Fig. 1 is the overall structure scheme drawing.Among the figure, 1 input circuit, 2 automatic identification circuits, 3 voice output circuit.

Fig. 2 is a switching value sample circuit schematic diagram.Among the figure, R1 1K; U1 74LS04 phase inverter

Fig. 3 is a current sample comparator circuit schematic diagram.

R2，R5 10K；R3，R4，R8 4.7K；R6 1K；R7 2K；R9 47K；R10 1.2K；

R11 5.1K; U2 LM339; The D1 diode; Z1 IN4148;

Wherein, U2-1, R2, R3, R4, R5 constitutes a differential amplifier circuit,

U2-2, R7, R8, R9, R10 constitutes Schmidt's comparator;

Fig. 4 is an analog quantity sampling sampling comparator circuit schematic diagram.

R12 1K; R13, R14 2K; R15 47K; R16 1.2K; R17 5.1K; The D2 diode;

Z2 IN4148; U2-3 wherein, R12, R13, R14, R15, R16 constitutes Schmidt's comparator; Fig. 5 is the automatic identification circuit schematic diagram.

R18，R21 4.7K；R19，R20，R24 10K；R22 3.9K；R23 5.3K；

C1，C2 1μ；C3，C4，C5，C6 0.01μ；

U3，U4，U5，U7 74LS00；U6 74LS08；U8 74LS32；U9 74LS171；

U11 74LS74；U13 74LS164；U14 74LS147；U15 74LS04；

U10 NE556；U12 CD4072；U16 CD4078；

Wherein, U10-1, R19, R20, R22, R23, C3, C4 constitutes oscillating circuit; U3, U4, the U5-1 formation is followed back testing circuit; U13, U16, R18, C1 constitutes beat generator; U9 is an address latch; U10-2, R24, C5, C6 constitutes Schmidt trigger;

U8-1, U15-1, U11, U6-4, U15-2, U8-2, U5-4, U6-3 constitute interruption warning judging circuit; U6-2, U6-3, U7-1 constitutes the continuous alarm judging circuit; The U14 coder;

Fig. 6 is the voice output schematic circuit diagram.

R25，R36 10K；R26，R27，R28，R29，R35 47K；R30 100K；R31，R34 13K；

R32 3K；R33 50K； Z3，Z4 IN4148；

C7，C16 10；C8，C10 47；C9 0.033；C11 1；C12，C13，C14，C19 4700p；

C15 8200p; C16, C17 10; C18 220; The unit that does not mark specific capacitance is μ F;

U21 LM5100, U17 LM324; U18 27512; U19 LM386; U20 8 Europe loud speakers;

Wherein, U21 is a speech chip, and its PLAY signal is from the output of U6-3 in the kinetic energy judging circuit, and the U15-2 input is delivered in its A2 output;

U18 is a speech memory, and its high-order sector address is from the output of U9;

U17-1, R26, R27, R28, R29 constitutes differential amplifier;

U17-2, R30, R31, R34, C9, C13, C14 constitute three rank active filters;

U19, R35, R36, C16, C17, C18, C19 constitutes the loud speaker power amplifier.

In this embodiment, the multifunction motor vehicle automatic phonetic alarm is made up of input circuit, automatic identification circuit, voice output circuit.

(1). input circuit comprises an envelope, reversing, three switching value sample circuits of brake, a current sample comparator circuit, the speed of a motor vehicle, oil pressure, amount of gasoline, water temperature, five analog quantity samplings of machine oil comparator circuit;

(2). automatic identification circuit comprises and follows back testing circuit, coder, the continuous alarm judging circuit, be interrupted the warning judging circuit, address latch, beat generator, Schmidt trigger, oscillating circuit, following back the input of testing circuit and the output of input circuit joins, oscillating circuit output connects beat generator, beat generator output connects and follows back testing circuit, the output that follows back testing circuit connects coder, coder output is ground connection location latch and continuous alarm judging circuit simultaneously, the output of continuous alarm judging circuit connects beat generator, address latch output connects the voice output circuit simultaneously and is interrupted the warning judging circuit, be interrupted the output of warning judging circuit and connect Schmidt trigger, Schmidt trigger output warp or door connect beat generator;

(3). the voice output circuit comprises speech chip, speech memory, differential amplifier, three rank active filters, the loud speaker power amplifier, and loud speaker, the high-order sector address of speech memory and the output of automatic identification circuit address latch are joined, low order address and data line and control line and speech chip join, the output of the continuous alarm judging circuit of the start end of speech chip and automatic identification circuit and interruption warning judging circuit is joined, two tunnel voice outputs and the differential amplifier of speech chip join differential amplifier, three rank active filters, the loud speaker power amplifier, and loud speaker serial connection.

Claims (1)

1, multifunction motor vehicle automatic phonetic alarm is made up of input circuit, automatic identification circuit, voice output circuit, it is characterized in that:

(1). input circuit comprises an envelope, reversing, three switching value sample circuits of brake, a current sample comparator circuit, the speed of a motor vehicle, oil pressure, amount of gasoline, water temperature, five analog quantity samplings of machine oil comparator circuit;

(2). automatic identification circuit comprises and follows back testing circuit, coder, the continuous alarm judging circuit, be interrupted the warning judging circuit, address latch, beat generator, Schmidt trigger, oscillating circuit, following back the input of testing circuit and the output of input circuit joins, oscillating circuit output connects beat generator, beat generator output connects and follows back testing circuit, the output that follows back testing circuit connects coder, coder output is ground connection location latch and continuous alarm judging circuit simultaneously, the output of continuous alarm judging circuit connects beat generator, address latch output connects the voice output circuit simultaneously and is interrupted the warning judging circuit, be interrupted the output of warning judging circuit and connect Schmidt trigger, Schmidt trigger output warp or door connect beat generator;

(3). the voice output circuit comprises speech chip, speech memory, differential amplifier, three rank active filters, the loud speaker power amplifier, and loud speaker, the high-order sector address of speech memory and the output of automatic identification circuit address latch are joined, low order address and data line and control line and speech chip join, the output of the continuous alarm judging circuit of the start end of speech chip and automatic identification circuit and interruption warning judging circuit is joined, two tunnel voice outputs and the differential amplifier of speech chip join differential amplifier, three rank active filters, the loud speaker power amplifier, and loud speaker serial connection.

Images