CN202035182U

CN202035182U - Headlamp time delay illumination control device

Info

Publication number: CN202035182U
Application number: CN2011200630830U
Authority: CN
Inventors: 张颋; 余俭之; 万马
Original assignee: Jiangling Holdings Co Ltd
Current assignee: Jiangling Holdings Co Ltd
Priority date: 2011-03-11
Filing date: 2011-03-11
Publication date: 2011-11-09
Anticipated expiration: 2021-03-11

Abstract

The utility model discloses a headlamp time delay illumination control device, which consists of a singlechip, a signal input circuit, a headlamp time delay circuit and a voltage stabilizing circuit. The headlamp time delay illumination control device adopts a singlechip for control, a headlamp is judged to be opened through collecting key signals and headlamp switch signals, i.e., after the signal input circuit receives the key signals, whether a key is in an OFF gear or an unplugged state or not is judged according to the headlamp switch signals of the singlechip, the time delay function is met when the received signals are in a suspended state or at a low level, the headlamp switch signal output end of the singlechip outputs 10-second positive voltage signals to a field-effect tube so that the field-effect tube is conducted, a headlamp relay coil is sucked, and the headlamp is in time delay work. The headlamp time delay illumination control device realizes the headlamp time delay illumination function, in addition, the headlamp time delay illumination function is controllable, and the time delay function can be started or limited through inputting some simple specified signals in the singlechip.

Description

Headlamp time-delay illumination control apparatus

Technical field

The utility model relates to car electrics, especially relates to a kind of headlamp time-delay illumination control apparatus.

Background technology

At present, the headlamp delay function that has on the automobile of home and abroad all is uncontrollable, and the user does not have alternative, under the condition of some environment such as street lamp abundance, does not need to open the headlamp delay function.

Summary of the invention

The purpose of this utility model is to provide a kind of headlamp time-delay illumination control apparatus.

The purpose of this utility model is achieved in that

A kind of headlamp time-delay illumination control apparatus, comprise by integrated regulator U1, the 1st capacitor C 1, the 2nd capacitor C 2, the 3rd capacitor C 3, the 4th capacitor C 4, the voltage stabilizing circuit that the 5th capacitor C 5 and the 1st diode V1 form, feature is: also comprise single-chip microcomputer U2, signal input circuit and headlight delay circuit, wherein: signal input circuit is by the 1st resistance R 1, the 2nd resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 6th capacitor C 6, the 7th capacitor C 7 and the 2nd diode V2, the 3rd diode V3 forms, the public termination key signal end of the 6th capacitor C 6 one ends and the 7th capacitor C 7 one ends, the common end grounding of the 6th capacitor C 6 other ends and the 7th capacitor C 7 other ends, the 3rd resistance R 3 is in parallel with the 6th capacitor C 6, the 1st resistance R 1 is connected between key signal input part 7 pin of key signal end and single-chip microcomputer U2, the negative electrode of the 2nd diode V2 connects key signal input part 7 pin of single-chip microcomputer U2, the plus earth of the 2nd diode V2, the 2nd resistance R 2 is connected between head lamp switch signal input part 6 pin of head lamp switch signal end and single-chip microcomputer U2, the negative electrode of the 3rd diode V3 connects head lamp switch signal input part 6 pin of single-chip microcomputer U2, the plus earth of the 3rd diode V3, the 4th resistance R 4 is connected in parallel between head lamp switch signal end and the ground; The headlight delay circuit is made up of field effect transistor NMOS and the 5th resistance R the 5, the 6th resistance R 6, the drain D of field effect transistor NMOS connects headlight relay coil end, the source S ground connection of field effect transistor NMOS, the grid G of field effect transistor NMOS and Der StandlichtScheinwerfer und Parkleuchtenschalter signal output part 5 pin that meet single-chip microcomputer U2 after the 5th resistance R 5 is connected, the 6th resistance R 6 is connected in parallel between Der StandlichtScheinwerfer und Parkleuchtenschalter signal output part 5 pin and ground of single-chip microcomputer U2.Signal input circuit is after receiving the key signal, the head lamp switch signal of single-chip microcomputer judges that key is whether at the OFF shelves or extract state, as receive that signal is vacant state or low level, then satisfy delay function, 10 seconds forward voltage signals of Der StandlichtScheinwerfer und Parkleuchtenschalter signal output part output of single-chip microcomputer are given field effect transistor, make the field effect transistor conducting, the adhesive of headlight relay coil, headlight delay working.

The utility model is made up of single-chip microcomputer, signal input circuit, headlight delay circuit and voltage stabilizing circuit, and it adopts Single-chip Controlling, judges the unlatching headlamp by gathering key signal and head lamp switch signal.It not only can realize headlamp time-delay illumination functions, and headlamp time-delay illumination functions is also controlled, and delay function can be opened or limit to some simple specified signal of input in single-chip microcomputer.

Description of drawings

Fig. 1 is the circuit theory diagrams of utility model.

Embodiment

Below in conjunction with embodiment and contrast accompanying drawing the utility model is described in further detail.

A kind of headlamp time-delay illumination control apparatus, by single-chip microcomputer U2, signal input circuit, headlight delay circuit and voltage stabilizing circuit are formed, wherein: signal input circuit is by the 1st resistance R 1, the 2nd resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 6th capacitor C 6, the 7th capacitor C 7 and the 2nd diode V2, the 3rd diode V3 forms, the public termination key signal end of the 6th capacitor C 6 one ends and the 7th capacitor C 7 one ends, the common end grounding of the 6th capacitor C 6 other ends and the 7th capacitor C 7 other ends, the 3rd resistance R 3 is in parallel with the 6th capacitor C 6, the 1st resistance R 1 is connected between key signal input part 7 pin of key signal end and single-chip microcomputer U2, the negative electrode of the 2nd diode V2 connects key signal input part 7 pin of single-chip microcomputer U2, the plus earth of the 2nd diode V2, the 2nd resistance R 2 is connected between head lamp switch signal input part 6 pin of head lamp switch signal end and single-chip microcomputer U2, the negative electrode of the 3rd diode V3 connects head lamp switch signal input part 6 pin of single-chip microcomputer U2, the plus earth of the 3rd diode V3, the 4th resistance R 4 is connected in parallel between head lamp switch signal end and the ground; The headlight delay circuit is made up of field effect transistor NMOS and the 5th resistance R the 5, the 6th resistance R 6, the drain D of field effect transistor NMOS connects headlight relay coil end, the source S ground connection of field effect transistor NMOS, the grid G of field effect transistor NMOS and Der StandlichtScheinwerfer und Parkleuchtenschalter signal output part 5 pin that meet single-chip microcomputer U2 after the 5th resistance R 5 is connected, the 6th resistance R 6 is connected in parallel between Der StandlichtScheinwerfer und Parkleuchtenschalter signal output part 5 pin and ground of single-chip microcomputer U2.

Voltage stabilizing circuit is by integrated regulator U1(7805), the 1st capacitor C the 1, the 2nd polar capacitor C2, the 3rd polar capacitor C3, the 4th capacitor C the 4, the 5th capacitor C 5 and the 1st diode V1 form, voltage stabilizing circuit provides automobile storage battery+step-down of 12V direct voltage, voltage stabilizing after output+5V direct voltage to power end 1 pin of single-chip microcomputer U2.

Operation principle:

1, operation Der StandlichtScheinwerfer und Parkleuchtenschalter: after normally closing headlight, in 2 seconds Der StandlichtScheinwerfer und Parkleuchtenschalter opened again and close, this moment, key signal input part 7 pin of single-chip microcomputer U2 were received signal high level-low level-high level that this switch is given, simultaneously head lamp switch signal input part 6 pin of single-chip microcomputer U2 judge that key is whether at the OFF shelves or extract state, as receive that signal is vacant state or low level, then satisfy delay function, the grid G that 10 seconds forward voltage signals of Der StandlichtScheinwerfer und Parkleuchtenschalter signal output part 5 pin of single-chip microcomputer U2 output are given field effect transistor NMOS, make drain D and the source S conducting ground connection of field effect transistor NMOS, the adhesive of headlight relay coil, the headlight delay working; Not at the OFF shelves or extract state, when not satisfying the condition that delay function sets after single-chip microcomputer U2 judges, then do not carry out time delay function of headlight as key.

The key signal: key is extracted or under the OFF state, is input as vacant state or low level;

Key is input as high level under ACC or ON state;

Head lamp switch signal: when closing Der StandlichtScheinwerfer und Parkleuchtenschalter, be input as high level;

When opening Der StandlichtScheinwerfer und Parkleuchtenschalter, be input as low level;

2, the utility model is extracted or under the OFF state at key, normally close headlight after, if in 2 seconds Der StandlichtScheinwerfer und Parkleuchtenschalter of switch again, then headlight delay circuit work, headlight is lighted after 10 seconds and is extinguished.

Claims

1. headlamp time-delay illumination control apparatus, comprise by integrated regulator (U1), the 1st electric capacity (C1), the 2nd electric capacity (C2), the 3rd electric capacity (C3), the 4th electric capacity (C4), the voltage stabilizing circuit that the 5th electric capacity (C5) and the 1st diode (V1) are formed, it is characterized in that: also comprise single-chip microcomputer (U2), signal input circuit and headlight delay circuit, wherein: signal input circuit is by the 1st resistance (R1), the 2nd resistance (R2), the 3rd resistance (R3), the 4th resistance (R4), the 6th electric capacity (C6), the 7th electric capacity (C7) and the 2nd diode (V2), the 3rd diode (V3) is formed, the public termination key signal end of the 6th electric capacity (C6) end and the 7th electric capacity (C7) end, the common end grounding of the 6th electric capacity (C6) other end and the 7th electric capacity (C7) other end, the 3rd resistance (R3) is in parallel with the 6th electric capacity (C6), the 1st resistance (R1) is connected between key signal input part 7 pin of key signal end and single-chip microcomputer (U2), the negative electrode of the 2nd diode (V2) connects key signal input part 7 pin of single-chip microcomputer (U2), the plus earth of the 2nd diode (V2), the 2nd resistance (R2) is connected between head lamp switch signal input part 6 pin of head lamp switch signal end and single-chip microcomputer (U2), the negative electrode of the 3rd diode (V3) connects head lamp switch signal input part 6 pin of single-chip microcomputer (U2), the plus earth of the 3rd diode (V3), the 4th resistance (R4) is connected in parallel between head lamp switch signal end and the ground; The headlight delay circuit is made up of field effect transistor (NMOS) and the 5th resistance (R5), the 6th resistance (R6), the drain D of field effect transistor (NMOS) connects headlight relay coil end, the source S ground connection of field effect transistor (NMOS), the grid G of field effect transistor (NMOS) and Der StandlichtScheinwerfer und Parkleuchtenschalter signal output part 5 pin that connect single-chip microcomputer (U2) after the 5th resistance (R5) is connected, the 6th resistance (R6) is connected in parallel between Der StandlichtScheinwerfer und Parkleuchtenschalter signal output part 5 pin and ground of single-chip microcomputer (U2).