CN201002578Y - Driver tiredness caution spacing cap - Google Patents

Abstract

The utility model relates to a driver fatigue caution limiting cap, which belongs to vehicle accessory technology field. The utility model is characterized in that a soft belt of a limiting head is connected with a fixing soft belt, and the other end of the fixing soft belt is connected with a fixing article inside the vehicle; a limiting alarm switch is installed on the fixing soft belt. A select port of a sound alarm chip U1 is grounded via a select switch K1; a U1 input interface is connected to a power VCC via a capacitance C1 and a limiting alarm switch K2; avoice output port of U1 is connected to a speaker W via a triode Q1. The utility model has the advantages of that it is simple in structure and low in price. which can prevent heads of the driver and passengers from colliding into the front windshield glass, instrument board and steering wheel when the vehicle is in hard braking or has an impact thus effectively protect the head. Meanwhile the utility model will give an alarm and supply the cooling to the head of the driver when the driver is fatigue or dozing, which can effectively keep the clear-headed driving.

Description

Driver fatigue caution limited cap

Technical field:

The utility model belongs to automobile appurtenances technical field.

Background technology:

At present, the protection facility to driver and crew in automobile is roughly two kinds, and a kind of is that safe gas is spoken in a low voice, and its deficiency is to cost an arm and a leg, and it is disposable use in addition, so some low and middle-grade car or common utility van or big pony truck all do not have this outfit; Another kind is a safety strap; this protection facility is cheap, uses comparatively generally, and driver and crew's chest is following avoids the bump injury when accident but only can protect; and more than the chest particularly head the time still can strike on the automobile wind shield glass in accident, head is come to harm.Simultaneously, if driver tired driving, automobile does not have the prompting warning yet.

Summary of the invention

The purpose of this utility model is:

Provide a kind of and can effectively protect the chaufeur head, also can warn limited cap the driver fatigue of fatigue driving caution.

The technical solution of the utility model is:

Spacing soft band is connected with fixing soft band, and the fixing soft band other end is connected with the car body inside-fixture, is provided with the spacing alarm switch on fixing soft being with.

Warning circuit is:

Audio alert chip U1 selects mouth by select switch K1 ground connection, and the U1 input interface is by capacitor C 1, spacing alarm K switch 2 power connection VCC, and the voice output mouth of U1 meets loud speaker W by aerotron Q1.

On spacing soft being with, be provided with refrigerator.

The beneficial effects of the utility model are:

Simple in structure; cheap; automobile is when sudden stop and generation collision; can prevent that driver and crew's head and front windshield glass, gauge panel, bearing circle etc. from bumping; effectively protect head; because of limited cap and car body for being flexible coupling; driver and crew's head has enough degree of freedom; to driving, do not have by bus any harmful effect, be used with safety strap, safe effect is better; work as chaufeur simultaneously under fatigue or doze state; this device can in time be reported to the police, and adds refrigeration at its head, can effectively keep the clear-headed driving of chaufeur.

Description of drawings

Fig. 1 is a constructional drawing of the present utility model;

Fig. 2 is that the utility model is reported to the police and the refrigerating part circuit diagram;

The specific embodiment:

As shown in Figure 1, the 1st, spacing soft band, the 2nd, fixing soft band, the 3rd, auxiliary clamping band, the 4th, seat, the 5th, seat fixed beam, the 6th, spacing alarm switch, the 7th, refrigerator.

As shown in Figure 2, U1 is that audio alert chip, K1 are that select switch, K2 are that spacing alarm switch, C1 are that coupling capacitance, R1 are that resistance, Q1 are that aerotron, W are that loud speaker, R2 are that potential device, B are that refrigerator, EC are that automobile power source, VCC are the audio alert chip powers.

Fixing softly be with 2 to be fastened on the seat bottom fixed beam 5 be one of a kind of not only attractive in appearance but also simple yet effective solutions, between headrest and backrest, can be provided with an auxiliary clamping band 2, so that the position of the fixing soft band of restriction, spacing soft 1 diameter of being with equates or is slightly larger than with head diameter to be advisable, spacing soft is with 1 also can make in cap, be used with cap, its decorative effect is better.

Audio alert chip U1 solidifies two kinds of cautions of China and British language, therefore select switch K2 is made as two grades of selections, when chaufeur because when tired or sleepy, spacing alarm K switch 2 off normal cause closing and, voltage makes audio alert chip U1 send the caution phonetic order through coupling capacitance C1 and clamped resistance R 1, amplifies through aerotron Q1 and sends into loud speaker W warning.

Claims (2)

1, a kind of driver fatigue caution limited cap is characterized in that:

A, spacing soft band are connected with fixing soft band, and the fixing soft band other end is connected with the car body inside-fixture, are provided with the spacing alarm switch on fixing soft being with;

B, audio alert chip U1 select mouth by select switch K1 ground connection, and the U1 input interface is by capacitor C 1, spacing alarm K switch 2 power connection VCC, and the voice output mouth of U1 meets loud speaker W by aerotron Q1.

2, a kind of driver fatigue caution limited cap according to claim 1 is characterized in that:

On spacing soft being with, be provided with refrigerator.

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