CN2284715Y

CN2284715Y - Vehicle light fault warning device

Info

Publication number: CN2284715Y
Application number: CN 96222224
Authority: CN
Inventors: 周震
Original assignee: 周震堃
Priority date: 1996-11-13
Filing date: 1996-11-13
Publication date: 1998-06-24
Anticipated expiration: 2006-11-13

Abstract

The utility model discloses a vehicle light fault alarm, which can alarm for the faults of the taillights of vehicles. The utility model is composed of a detector and an alarm. The utility model is characterized in that the detector needs to be inserted at the output interface of an original indicator lamp, the alarm is connected to both ends of a vehicle power source, and wire connections and structures do not need to be changed, so that the utility model can provide the functions for the existing vehicles. The utility model has the advantages of low cost and convenient installation. The driver can concentrate on driving by using the utility model, avoiding penalties or traffic accidents because of no attention to the damage of the taillights.

Description

A kind of car bulb accident warning device

The utility model belongs to the fault alarm field, or rather, and the warning device when being a kind of automobile signal lighting fault.

Running car is realized the illumination in night by signal light, and is sent motion signals at once such as brake, turning, in case taillight damages, as can not in time find, change, light fine then, heavy then can lead to traffic accident, driver's drive often will take into account quality of taillight, the attention that influence is driven.

The purpose of this utility model is will provide a kind of existing vehicle condition is not made any changes, and dismounting is extremely convenient, in case the car bulb accident warning device that taillight breaks down and promptly can report to the police and inform.

The utility model is finished as follows: the utility model is made up of detector and annunciator, detector input end A ₁(Fig. 2 is inserted in automobile signal flasher output line interface A place.The former automobile signal flasher that is inserted in automobile signal flasher output line interface A is imported socket B, is inserted in the output interface B of detector ₁The place.The power input a of annunciator ₁, b ₁Join with the automobile power source positive and negative electrode.

Detector be by with the input a, b two end parallel resistor R ₁And ic chip ₁The testing circuit of forming is by resistance R ₂～R ₄, capacitor C ₁, diode D ₁And IC ₂The modulation circuit of forming is by resistance R ₅, R ₆With aerotron BG ₁The amplifying circuit of forming connect successively form.

Annunciator is by IC ₃Input end pass through capacitor C ₂With power supply a ₁The amplifying circuit that joins and form is by capacitor C ₃, inductance L ₃IC ₄The demodulator circuit of forming is by IC ₅With amplification, the warning circuit that buzzer phone L forms, connect successively and power supply input a ₁, b ₁Two ends are formed.

In each street lamp light signal on the headlight left side of automobile, the headlight right side, a taillight left side, the taillight right side, the detector of only need respectively pegging graft.

Below with reference to accompanying drawing the utility model is further described

Fig. 1, existing automobile signal flasher output interface connects situation

Fig. 2, behind use the utility model, the wiring graph of a relation

Fig. 3, detector circuit figure

Fig. 4, the annunciator scheme circuit

Normal or the signal that damages of automobile tail light enters detector R by automobile signal flasher output line interface A (Fig. 2) ₁(Fig. 3), when automotive lamp is good (normally), because of R ₁Connect with lamp, at R ₁On pressure drop is arranged, pass through IC ₁Make mouth 3 (P ₁) current potential step-down level, by R ₂, R ₃, R ₄, C ₁And IC ₂The blocking of oscillator of forming is directed at by R ₅, R ₆, BG ₁The amplifier non-output signal that constitutes.

When automobile tail light damage, (filament disconnection) R ₁Last no pressure drop, IC ₁P ₁End is high potential, and the oscillator vibration is amplified through BG, at R ₁On oscillation signal output is arranged, and by contact a by the power supply wiring in the automobile, pass to annunciator (Fig. 4), by supply terminals a ₁The place is by IC ₃Amplify, by C ₃L ₃Frequency-selecting is again by IC ₄Demodulation of frequency discriminator goes out peculiar signal and through IC ₅Be amplified to buzzer and report to the police, after changing the bulb, IC ₂Failure of oscillation, warning stop.

After implementing the utility model, the driver needn't care for the taillight quality, the driving of can focusing one's attention on.Avoid not changing, and cause fine and traffic accident because of knowing that taillight does not damage.

Simultaneously, existing automobile does not need to change the wiring of any structure on the automobile when increasing the utility model, only need detector of the present utility model is got final product by (comparison diagram one, figure two) in the middle of being inserted in original lamp wiring socket, and annunciator can be convenient by the driver, is connected on any automobile power source end.The utility model price is very cheap again, thereby is easy to implement on existing automobile.

Claims

1, a kind of lighting fault warning device is made up of detector and annunciator, it is characterized in that: detector input end (A ₁) be inserted in automobile signal flasher output line interface (A) and locate, the former automobile signal flasher input socket (B) that is inserted in automobile signal flasher output line interface (A) is inserted in the output interface (B of detector ₁) locate; Power input (a of annunciator ₁, b ₁) join with the automobile power source positive and negative electrode.

2, car bulb accident warning device according to claim 1 is characterized in that: detector be by with the input a, b two end parallel resistor R ₁And ic chip ₁The testing circuit of forming is by resistance R ₂～R ₄, capacitor C ₁, diode D ₁And IC ₂The modulation circuit of forming is by resistance R ₅, R ₆With aerotron BC ₁The amplifying circuit of forming connects to form successively.

3, car bulb accident warning device according to claim 1, it is characterized in that: annunciator is by IC ₃Input end pass through capacitor C ₂With power supply a ₁The amplifying circuit that joins and form is by capacitor C ₃, inductance L ₃And IC ₄The demodulator circuit of forming is by IC ₅Be connected successively and power supply input a with amplification, warning circuit that buzzer phone L forms ₁, b ₁Two ends are formed.

4, car bulb accident warning device according to claim 1 is characterized in that: in each street lamp light signal on the headlight left side of automobile, the headlight right side, a taillight left side, the taillight right side, and each detector of pegging graft.