CN2626770Y

CN2626770Y - Safety operation prompting equipment for automotive vehicle

Info

Publication number: CN2626770Y
Application number: CN 03255317
Authority: CN
Inventors: 付桂耀
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-07-01
Filing date: 2003-07-01
Publication date: 2004-07-21
Anticipated expiration: 2013-07-01

Abstract

The utility model relates to a reminder for motor vehicle safety driving, which includes a shell, a circuit board and a loudspeaker. The circuit board is provided with a power supply circuit; the input end of the power supply circuit is connected with the motor vehicle power supply; a control circuit, the input end of which is connected with the output end of the power supply circuit; a speech circuit, the input end of which is connected with the speech output end of the control circuit and the output end of which is connected with the loudspeaker. The power supply circuit can convert the voltage of the vehicle power supply to an appropriate voltage range for the usage of control circuit, which controls the output speech signal. The output speech signal is processed and enlarged in the speech circuit and is provided to driver by the loudspeaker. The utility model has advantages of simple structure, small volume, and direct equipment in cab or on the meter panel or similar fixation element by installation holes on the shell. Thereby, the utility model can be widely used on automobile, motorcycle, electric motor vehicle and etc, for warning and reminding for drivers.

Description

Self-propelled vehicle safe driving prompting device

Technical field

The utility model relates to a kind of self-propelled vehicle annex, specifically a kind of self-propelled vehicle safe driving prompting device.

Background technology

Show that according to data the traffic accident in the motor-driven vehicle going process is mainly caused by the chaufeur reason,, and do not find as yet in the market chaufeur is worked the reminiscences of warning reminding effect wherein again with fatigue driving and absent minded in the majority.

Summary of the invention

To be solved in the utility model is the prior art above shortcomings, and a kind of self-propelled vehicle safe driving prompting device is provided, and travels to impel chaufeur to abide by chapter, to reduce the incidence of traffic accident.The technical scheme that addresses the above problem employing is: self-propelled vehicle safe driving prompting device, comprise housing, wiring board and loudspeaker, and it is characterized in that described wiring board is provided with:

_ _ one feed circuit, its input end is connected to power sources of motor vehicle;

_ _ one control circuit, its input end is connected to the mouth of feed circuit;

_ _ one sound circuit, its input end is connected to the speech output end of control circuit, and its mouth connects described loudspeaker.

Self-propelled vehicle safe driving prompting device of the present utility model, becoming a suitable voltage range to offer control circuit the voltage transitions of power sources of motor vehicle by feed circuit uses, control circuit control output voice signal, this voice signal obtain handling in sound circuit and amplify the back by loudspeaker prompting chaufeur.It is simple in structure, volume is little, is directly installed in the operator's compartment or on the gauge panel by the mounting hole on the housing, or on the connecting element of similar position, thereby can be widely used on the self-propelled vehiclees such as automobile, motor bike, electrical motor vehicle, as the usefulness of the caution prompting of chaufeur.

Described feed circuit comprise circuit of three-terminal voltage-stabilizing integrated, and 1 pin of described circuit of three-terminal voltage-stabilizing integrated is connected to positive source, cross-over connection first electric capacity between 1 pin and the ground, cross-over connection second electric capacity between 3 pin and the ground, 2 pin ground connection.Described circuit of three-terminal voltage-stabilizing integrated can adopt 7805, L5970 or have the integrated circuit of identical function.

Described control circuit comprises the micro controller system of being with tally function, between 2 pin of described micro controller system and 3 pin string a last crystal oscillator, and with ground between be connected in series an electric capacity respectively; 14 pin are connected to positive source, and 16 pin are connected to positive source by resistance; 11 pin link to each other with 10 pin with an electric capacity by another resistance; 1 pin ground connection.6 pin of described micro controller system and 7 pin are respectively by ground connection behind the switch, and voice output controlled respectively by described switch and literal shows output.This micro controller system can adopt TMP87C809N, MSP430F1121 or have the integrated circuit of identical function.

Described sound circuit is made up of speech processor, speech amplifier and two electric capacity.Described speech processor can adopt ISD4004-10M, ISD5008 or have the integrated circuit of identical function, and described speech amplifier can adopt LM386, TDA8569Q or have the integrated circuit of identical function.

Also be provided with read-out on the described housing, the literal that described read-out is connected to described control circuit shows mouth, plays voice and literal and warns dual prompting.

The source switch with described power sources of motor vehicle switch interlock of also connecting on the described electric power loop, reminiscences is just synchronoused working with self-propelled vehicle like this, that is: after power sources of motor vehicle was opened, reminiscences of the present utility model was just started working; And after power sources of motor vehicle cut-off, reminiscences is just outage automatically also.

The diode that prevents reverse-conducting of also connecting on the described electric power loop.Play automatic protective effect inverse time when the power supply positive and negative electrode connects, prevent that circuit from damaging.

Also be in series with a manual power master cock on the described electric power loop, can select to use reminiscences according to the body ﹠ mind state of self.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is an electrical block diagram of the present utility model.

Fig. 2 is a physical construction scheme drawing of the present utility model.

Fig. 3 is a cut-away view of the present utility model.

The specific embodiment

With reference to Fig. 1, the circuit structure of the reminiscences that this practicality is new comprises a feed circuit I, control circuit II and sound circuit III, and its input end is connected to the speech output end of control circuit II.

Described feed circuit I comprises circuit of three-terminal voltage-stabilizing integrated IC4, and 1 pin of described circuit of three-terminal voltage-stabilizing integrated IC4 is connected to positive source, cross-over

connection capacitor C

1,2 pin ground connection between cross-over

connection capacitor C

1,3 pin and the ground between 1 pin and the ground.

Described control circuit II comprises the micro controller system IC1 that is with tally function, between 2 pin of described micro controller system IC1 and 3 pin string a last crystal oscillator CR, and with ground between be connected in series capacitor C 5 and capacitor C 6 respectively; 14 pin are connected to positive source, and 16 pin are connected to positive source by resistance R 1; 11 pin link to each other with 10 pin with capacitor C 7 by resistance R 2; 1 pin ground connection.6 pin of described micro controller system IC1 and 7 pin are respectively by K switch 3 and K switch 2 back ground connection.

Described sound circuit III is made up of speech processor IC2, speech amplifier IC3 and capacitor C 3 and capacitor C 4.

A source switch K1 and the diode D1 who prevents reverse-conducting with described power sources of motor vehicle switch interlock also connects on the described electric power loop.Described K switch 1 is connected on the positive supply positive pole; Described diode D1 is connected on earthing pole.

In the present embodiment, the micro controller system IC1 of described band tally function adopts TMP87C809N type integrated circuit, described speech processor IC2 adopts ISD4004-10M type integrated circuit, described speech amplifier IC3 adopts LM386 type integrated circuit, and described circuit of three-terminal voltage-stabilizing integrated IC4 adopts 7805 type integrated circuit.

With reference to Fig. 2,3, the physical construction of the reminiscences that this practicality is new is made up of loudspeaker 1, housing 2, read-out 3, manual power master cock 4, speech controling switch 5, display control switch 6, mounting hole 7, power lead 8 and circuit card 9.The both sides of described housing 2 are fixed on the connecting element of self-propelled vehicle by mounting hole 7, are preferably in the dead ahead of chaufeur, on gauge panel.Read-out 3, manual power master cock 4, speech controling switch 5 and display control switch 6 are set on the surface of housing 2.The literal that described read-out 3 is connected to described control circuit II shows output port.Manual power master cock 4 is connected on power supply total loop (not shown in figure 1); The contact of speech controling switch 5, display control switch 6 corresponds respectively to K switch 2 and K3.

Preferably switch 4 adopts normally closed mode, and switch 5,6 adopts the Chang Kaifang formula, makes reminiscences of the present utility model under normal conditions keep mode of operation, selects to close any prompt facility by the manual control mode.

The working process of the utility model reminiscences is: micro controller system IC1 connects when power sources of motor vehicle one from tape counter, and K switch 1 is the interlock closure, and this moment, switch 4 was in normally off, and circuit is started working, and 16 pin of IC1 reset by resistance R 1, and begin counting; After counting down to certain value, IC1 sends the display text signal to read-out, sends the signal enabling phonetic function to IC2 simultaneously; After IC2 receives signal, voice analog signal is input to speech amplifier IC3 amplifies, the signal after the amplification passes through sound horn.K switch 2 is often opened with

K switch

3, and 7 pin and 6 pin are high level, export voice signal and literal shows signal simultaneously.After K switch 2 closures, 7 pin of IC1 become low level, thereby stop to send signal to IC2; In like manner, after K switch 3 closures, 6 pin of IC1 become low level, thereby stop to send signal to read-out; Can select the purpose of phonetic warning and literal caution to reach chaufeur.By to the programming of micro controller system IC1 and the setting of speech processor, can reach in the different time periods and can demonstrate different literal and sound, and the number of times of may command caution.After motor car engine was closed, power supply was cut off, the reminiscences SELF CL.

Power supply of the present utility model adopts the accumulator of motor-driven vehicle power supply.

Claims

1, self-propelled vehicle safe driving prompting device comprises housing (2), wiring board (9) and loudspeaker (1), it is characterized in that described wiring board is provided with:

_ _ one feed circuit (I), its input end is connected to power sources of motor vehicle;

_ _ one control circuit (II), its input end is connected to the mouth of feed circuit (I);

_ _ one sound circuit (III), its input end is connected to the speech output end of control circuit (II),

Its mouth connects described loudspeaker.

2, self-propelled vehicle safe driving prompting device as claimed in claim 1 is characterized in that described feed circuit

(I) comprise circuit of three-terminal voltage-stabilizing integrated (IC4), 1 pin of described circuit of three-terminal voltage-stabilizing integrated (IC4) is connected to positive source, cross-over connection electric capacity (C1) between 1 pin and the ground, cross-over connection electric capacity (C1) between 3 pin and the ground, 2 pin ground connection.

3, self-propelled vehicle safe driving prompting device as claimed in claim 1, it is characterized in that described control circuit (II) comprises the micro controller system (IC1) of being with tally function, between 2 pin of described micro controller system (IC1) and 3 pin string a last crystal oscillator (CR), and with ground between be connected in series electric capacity (C5) and electric capacity (C6) respectively; 14 pin are connected to positive source, and 16 pin are connected to positive source by resistance R 1; 11 pin link to each other with 10 pin with electric capacity (C7) by resistance (R2); 1 pin ground connection.

4, self-propelled vehicle safe driving prompting device as claimed in claim 3 is characterized in that 6 pin of described micro controller system (IC1) and 7 pin pass through switch (K3) and switch (K2) back ground connection respectively.

5, self-propelled vehicle safe driving prompting device as claimed in claim 1 is characterized in that described sound circuit (III) is made up of speech processor (IC2), speech amplifier (IC3) and electric capacity (C3) and electric capacity (C4).

6, self-propelled vehicle safe driving prompting device as claimed in claim 1 is characterized in that also being provided with on the described housing (2) read-out (3), and the literal that described read-out (3) is connected to described control circuit (II) shows mouth.

7, as any one described self-propelled vehicle safe driving prompting device of claim 1～6, a source switch (K1) with described power sources of motor vehicle switch interlock is characterized in that also connecting on the described electric power loop.

8, self-propelled vehicle safe driving prompting device as claimed in claim 7, it is characterized in that also connecting on the described electric power loop one prevents the diode D1 of reverse-conducting.

9, self-propelled vehicle safe driving prompting device as claimed in claim 8 is characterized in that also being in series with on the described electric power loop manual power master cock (4).