CN213262142U

CN213262142U - Relay control-based vehicle DRL system and vehicle

Info

Publication number: CN213262142U
Application number: CN202022263633.5U
Authority: CN
Inventors: 肖天宇
Original assignee: Songuo Motors Co Ltd
Current assignee: Songuo Motors Co Ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-05-25
Anticipated expiration: 2030-10-12

Abstract

The utility model discloses a vehicle DRL system and vehicle based on relay control, include: a first relay, a second relay and a third relay; one end of a normally closed contact of the second relay is connected with the control unit; the other end of the first relay is connected with the coil of the first relay and the coil of the third relay respectively, and normally open contacts of the first relay and the third relay are connected in series in sequence; the normally open contact of the first relay is connected with a daytime running lamp, and the normally open contact of the third relay is connected with the daytime running lamp or a tail lamp. The utility model discloses the control system of relay adopts the hardwire mode to control whole car electrical apparatus, is the logical circuit that utilizes the series connection of relay mechanical contact or parallelly connected and delay relay's hysteresis motion etc. combination formation, and it replaces whole car electrical unit's the development degree of difficulty.

Description

Relay control-based vehicle DRL system and vehicle

Technical Field

The utility model relates to a driving light (DRL) control technical field during the daytime especially relates to a vehicle DRL system and vehicle based on relay control.

Background

The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.

At present, a daytime running lamp (hereinafter referred to as DRL) function of a vehicle is often controlled by an electric control unit, data communication among electronic devices becomes more and more along with more and more applications of the electric control unit in the whole vehicle, and a large number of electric control modules are used, so that the problems of increased design difficulty, increased cost and increased failure rate are brought while the comfort of the vehicle is improved.

Referring to fig. 1, a BCM (body control system) controls a semiconductor circuit thereof by using a logic control program instruction, and has the disadvantages of complex program design, complex hardware manufacturing, high design cost, small load capacity, and the like. The DRL control mode executes corresponding operation after logic judgment through vehicle communication, and because the BCM is designed for the PCB, the load capacity is limited, the integration level is high, the functions are multiple, the design is complex, and the failure rate is high.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a vehicle DRL system and vehicle based on relay control controls the series-parallel mode of vehicle DRL function through the relay, can reduce vehicle design cost, reduces the fault rate of module simultaneously.

In some embodiments, the following technical scheme is adopted:

a relay control based vehicle DRL system comprising: a first relay, a second relay and a third relay; one end of a normally closed contact of the second relay is connected with the control unit; the other end of the first relay is connected with the coil of the first relay and the coil of the third relay respectively, and normally open contacts of the first relay and the third relay are connected in series in sequence; the normally open contact of the first relay is connected with a daytime running lamp, and the normally open contact of the third relay is connected with the daytime running lamp or a tail lamp.

The normally open contact of the fourth relay is connected with the coil of the second relay.

As a further scheme, the normally open contact of the fourth relay is connected in series with the normally open contacts of the first relay and the third relay in sequence.

As a further scheme, the normally open contact of the fourth relay is respectively connected with the position lamp and the light switch.

As a further scheme, a coil of the second relay is connected with a light switch.

As a further aspect, the lamp light-on includes: position light switches and headlight switches.

In a further aspect, the normally open contact of the first relay is connected to a daytime running light and then connected to a vehicle ignition switch.

As a further scheme, one end of a normally closed contact of the second relay is connected with a READY function pin of the control unit MCU.

As a further scheme, all relays are connected through hard wires.

In another write embodiment, the following scheme is employed:

a vehicle comprises the vehicle DRL system based on the relay control.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses the control system of relay adopts the hardwire mode to carry out control to whole car electrical apparatus, is the logical circuit that utilizes the combination such as the hysteresis motion of relay mechanical contact series connection or parallelly connected and time delay relay, and it replaces the development degree of difficulty of whole car electrical control unit;

(2) the utility model discloses use the relay control scheme, can reduce the development maintenance cost of electrical control unit, improve load capacity, greatly reduced design cost. Meanwhile, the reliability of the system is improved, and maintenance events are reduced.

Drawings

Fig. 1 is a schematic structural diagram of a vehicle DRL system based on relay control in the embodiment of the present invention.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Example one

In one or more embodiments, referring to fig. 1, a relay control based vehicle DRL system is disclosed, comprising: a first relay (DRL relay 1), a second relay (DRL relay 2), a third relay (DRL relay 3) and a fourth relay (DRL relay 4); one end of a normally closed contact of the second relay is connected with the control unit; the other end of the first relay is connected with the coil of the first relay, the other end of the second relay is connected with the coil of the third relay, the normally open contacts of the first relay, the third relay and the fourth relay are sequentially connected in series, and one end of the coil of the second relay is connected with the normally open contact of the fourth relay and the light switch respectively.

The normally open contact of the first relay is connected with the daytime running lamp, and the normally open contact of the third relay is connected with the daytime running lamp or the tail lamp; and a normally open contact of the fourth relay is respectively connected with the position lamp and the light switch.

In this embodiment, the light switch includes a headlight switch, a position light switch, and a light switch.

In this embodiment, the control unit MCU adopts an existing controller structure.

The specific working process of this embodiment is as follows:

when the ignition switch is switched on, the MCU controls the first relay and the third relay through a pin output power supply with a READY function and a normally closed contact of the second relay in a working state; a first relay coil is electrified to control the connection of a pin 30 and a pin 87 of the first relay, and a vehicle head DRL LAMP (daytime running light) is turned on; a coil of the third relay is electrified to control a pin 30 and a pin 87 of the third relay to be connected, and the DRL/TAIL LAMP of the vehicle TAIL is lightened; the daytime running lamp function is realized.

After the ignition switch is switched on, under the working state of the MCU, when a POSITION LAMP (POSITION) in a light switch is switched on, a front POSITION LAMP (POSITION LAMP) lights a second relay coil to be electrified, so that a normally closed contact of a second relay is disconnected, the first relay and a third relay coil are powered off, the contacts are disconnected, and the running light is gradually turned off; and the coil of the fourth relay is electrified to control the pin of the contact 30 and the pin 87 of the fourth relay to be connected, and the tail lamp is lightened.

By the vehicle DRL system of the embodiment, when a vehicle is started in the daytime, the head lamp of the vehicle gradually turns on, and the tail lamp and the running lamp of the vehicle tail are a common lamp and also turn on; and under the condition that the sky becomes dark, the small lamp is turned on, so that the driving lamp of the vehicle head is turned off, and meanwhile, the small lamp is turned on, and the working process that the vehicle lamp is turned on again is gradually started under the condition that the small lamp is turned off.

Example two

In one or more embodiments, a vehicle is disclosed that includes the relay control based vehicle DRL system of example one.

Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims

1. A relay control based vehicle DRL system, comprising: a first relay, a second relay and a third relay; one end of a normally closed contact of the second relay is connected with the control unit; the other end of the first relay is connected with the coil of the first relay and the coil of the third relay respectively, and normally open contacts of the first relay and the third relay are connected in series in sequence; the normally open contact of the first relay is connected with a daytime running lamp, and the normally open contact of the third relay is connected with the daytime running lamp or a tail lamp.

2. The relay control based vehicle DRL system as claimed in claim 1, further comprising a fourth relay, the normally open contact of which is connected to the coil of the second relay.

3. The relay control-based vehicle DRL system as claimed in claim 2, wherein the normally open contact of the fourth relay is serially connected with the normally open contacts of the first relay and the third relay.

4. The relay control based vehicle DRL system as claimed in claim 2, wherein the normally open contacts of the fourth relay are connected to a position light and a light switch, respectively.

5. The relay control based vehicle DRL system as claimed in claim 1, wherein the coil of the second relay is connected to a light switch.

6. The relay control based vehicle DRL system of claim 5, wherein the light switch comprises: position light switches and headlight switches.

7. The relay control based vehicle DRL system as claimed in claim 1, wherein the normally open contact of the first relay is connected to the ignition switch of the vehicle after being connected to the daytime running light.

8. The relay control-based vehicle DRL system as claimed in claim 1, wherein one end of the normally closed contact of the second relay is connected to a READY function pin of the control unit MCU.

9. The relay control based vehicle DRL system as claimed in claim 1, wherein the relays are hard wired.

10. A vehicle characterized by comprising a relay control based vehicle DRL system according to any of claims 1-9.