CN210554473U

CN210554473U - Brake lamp arranged in front of automobile

Info

Publication number: CN210554473U
Application number: CN201921325273.8U
Authority: CN
Inventors: 骆玉刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-05-19
Anticipated expiration: 2029-08-15

Abstract

The utility model relates to a brake light control technology field provides a set up the brake light in car the place ahead, is connected with car braking system, including car central controller, preceding brake light, the brake pump pressure detecting element who is connected with car central controller, preceding brake light is including the preceding left brake light, preceding well brake light, the preceding right brake light that are connected with central controller respectively, brake pump pressure detecting element is connected with car braking system. The utility model discloses a lot of dangerous accidents that appear in can avoiding the traffic to improve traffic efficiency of traveling, guarantee the safety of the person, automobile body promptly, also very big traffic pressure that has slowed down.

Description

Brake lamp arranged in front of automobile

Technical Field

The utility model relates to a brake light control technology field, in particular to set up the brake light in car the place ahead.

Background

The brake indicator lamp arranged behind the automobile brings great convenience to traffic, whether the front automobile initiates braking can be judged by observing the brake indicator lamp behind the front automobile, so that whether the automobile also initiates braking is determined, and rear-end accidents of the automobile can be avoided as much as possible. However, when the pedestrian passes through the crosswalk without the traffic lights, it is difficult to judge whether the running automobile decelerates or not, and the pedestrian can not decide whether to pass through the road safely or not; in addition, when the automobile overtakes or changes lanes, especially a novice driver is more difficult to judge whether the automobile is decelerated to overtake or change lanes, so that the automobile is scratched or even collided with pedestrians, and traffic accidents that the automobile overtakes or turns are collided with each other often occur, so that the human body and the automobile body are damaged, traffic jam is caused, and pressure is applied to traffic.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to improve the not enough that exists among the prior art, provide a brake light of setting in car the place ahead.

In order to realize the purpose of the utility model, the embodiment of the utility model provides a following technical scheme:

the brake lamp arranged in front of the automobile is connected with an automobile brake system and comprises an automobile central controller and a front brake lamp connected with the automobile central controller, wherein the front brake lamp is arranged in front of the automobile. When the automobile central controller senses that the automobile starts braking, the automobile central controller controls the front brake lamp to be turned on, so that whether the front pedestrian or the running vehicle starts braking can be judged by observing whether the front brake lamp is turned on.

Furthermore, for better realization the utility model discloses, preceding brake light includes the preceding left brake light, the preceding right brake light that are connected with car central controller respectively. The front left brake lamp and the front right brake lamp are respectively arranged at the turn lamps at the left side and the right side in front of the automobile, and the front left brake lamp and the front right brake lamp are both simultaneously lightened as long as the automobile starts braking, so that pedestrians or vehicles in the left front and the right front of the automobile can observe whether the front brake lamps are lightened from different angles, and observation dead angles are avoided.

Furthermore, for better realization the utility model discloses, still include the output control circuit who is connected with car central controller, preceding left brake lamp, preceding right brake lamp are connected with car central controller through output control circuit respectively. And the output control circuit is used for converting a digital signal sent by the automobile central controller into an analog signal to control the conduction state of the front brake lamp.

Furthermore, for better realization the utility model discloses, preceding brake light still includes the preceding brake light in with output control circuit is connected. The front and middle brake lamps are formed by connecting a plurality of LED lamps in parallel, are arranged around a windshield in front of the automobile or below an engine hood in front of the automobile, and are not required to block or influence the driving vision of a driver, so that pedestrians or driving vehicles in front can conveniently observe the front brake lamps.

Furthermore, for better realization the utility model discloses, still include the current drive unit who is connected with output control circuit, the brake pump pressure detecting element who is connected with car central controller, brake pump pressure detecting element is connected with car braking system, preceding brake light passes through current drive unit and is connected with output control circuit. Brake pump pressure detecting element is used for detecting the dynamics of car braking, and pass the braking dynamics to car central controller, car central controller is according to the difference of dynamics, the corresponding digital signal of transmission gives output control unit, output control unit converts digital signal into analog signal, the electric current of brake lamp in the front according to the analog signal distribution of receiving, promptly according to the difference of braking dynamics, make the LED lamp of brake lamp in the front switch on quantity different, so that the pedestrian in the place ahead or the vehicle of traveling can judge the dynamics of this car braking through the quantity of lighting of observing brake lamp in the front.

Furthermore, in order to better realize the utility model, the central controller of the automobile selects a processor U1 with the model number of MC9S12DJ 64; the output control circuit comprises a digital-to-analog converter U2, an amplifier U1A and an interface J1, wherein the input end of the digital-to-analog converter U2 is connected with the processor U1, the output end of the digital-to-analog converter U2 is connected with the input end of the amplifier U1A, and the output end of the amplifier U1A is connected with the interface J1.

Furthermore, in order to better implement the present invention, the digital-to-analog converter U2 is further connected to a controllable power supply, the controllable power supply includes a controllable resistor RL1 and a controllable voltage stabilizer U3, the controllable resistor RL1 is connected to the digital-to-analog converter U2, and the controllable voltage stabilizer U3 is connected in parallel to the controllable resistor RL 1.

Furthermore, for better realization the utility model discloses, preceding well brake lamp includes the parallelly connected LED _ B pilot lamp of constituteing by a plurality of LED lamps, the current drive unit includes current drive chip U4, the interface J2 of being connected with current drive chip U4, the model of current drive chip U4 is QX7136, interface J2 with interface J1 is connected, current drive chip U4 is connected with LED _ B pilot lamp.

Still further, for better realization the utility model discloses, preceding left brake lamp includes LED _ A pilot lamp, preceding right brake lamp includes LED _ C pilot lamp, LED _ A pilot lamp, LED _ C pilot lamp are connected with interface J1 through interface J3 respectively.

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

the front brake lamp provided by the utility model is arranged in front of the automobile, which can prompt pedestrians or running vehicles in front whether the automobile starts braking, and can judge the braking force of the automobile according to the lighting quantity of the front and middle brake lamps; when the pedestrian crosses the road, the pedestrian can judge whether the automobile is braked after observing the front brake lamp, and then determine whether the automobile crosses the road, and when the automobile overtakes, the pedestrian can observe whether the automobile at the side and the rear part starts braking through the side view mirror, and then determine whether the automobile overtakes; therefore, a plurality of dangerous accidents in traffic can be avoided, the traffic running efficiency is improved, the safety of people and vehicle bodies is ensured, and the traffic pressure is greatly reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a schematic view of the central controller of the present invention;

FIG. 3 is a schematic diagram of an output control circuit of the present invention;

FIG. 4 is a schematic diagram of the current driving unit and the front and middle brake lamps of the present invention;

FIG. 5 is a schematic diagram of the circuit of the front left brake lamp and the front right brake lamp of the present invention;

FIG. 6(a) is a schematic view showing the front and middle brake lights of the present invention being lighted when slightly braking;

FIG. 6(b) is a schematic view of the front and middle brake lights of the present invention shining when braking;

fig. 6(c) is a schematic view of the front and middle brake lights of the present invention being lighted when fully braking.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The utility model discloses a following technical scheme realizes, as shown in fig. 1, a set up the brake lamp in car the place ahead, is connected with car braking system, including car central controller, preceding brake lamp, brake pump pressure detecting element, output control circuit, the current drive unit who is connected with output control circuit, preceding brake lamp includes preceding left brake lamp, preceding well brake lamp, preceding right brake lamp, brake pump pressure detecting element, output control circuit are connected with car central controller respectively, preceding left brake lamp, preceding right brake lamp are connected with output control circuit respectively, preceding well brake lamp is connected with current drive unit, brake pump pressure detecting element is connected with car braking system.

The front left brake lamp and the front right brake lamp are respectively arranged at the turn lamps at two sides in front of the automobile, and when the automobile is braked, the front left brake lamp and the front right brake lamp are both lighted; the setting of brake light is around the windshield in car the place ahead in the front, or sets up the bonnet below in car the place ahead, and the concrete position that sets up of brake light in the front is not fixed the restriction to this embodiment, as long as can make the pedestrian in car the place ahead and the vehicle of traveling conveniently observe, and do not influence driver's the field of vision of traveling can. Preceding well brake light comprises LED _ B lamp side by a plurality of LED lamps, brake pump pressure detecting element is used for detecting the dynamics of car braking, according to the difference of braking dynamics, the LED lamp of different quantity is lighted to preceding well brake light, for example when driver's braking dynamics is less, lights a small number of preceding well brake lights, along with the increase of braking dynamics, the quantity that preceding well brake light was lighted increases, strengthens the indicative nature like this, not only instructs other vehicles whether will brake, but also instructs the braking dynamics, avoids emergency braking or the untimely traffic accident that leads to often of braking. The preferred embodiment is that, as the braking force increases, the LED lamps of the front and middle brake lamps are sequentially turned on from two sides to the middle, as shown in fig. 6, it is assumed that the front and middle brake lamps are LED _ B lamps composed of 10 LED lamps, the shaded part is the turned-on LED lamp, fig. 6(a) is a slight braking, fig. 6(B) is a partial braking, and fig. 6(c) is a complete braking, so that the pedestrian in front of the automobile can judge the braking force of the automobile by the number of turned-on front and middle brake lamps, and judge whether to stop and let the automobile go.

Specifically, as shown in fig. 2, in the embodiment, the central controller of the automobile selects a processor U1 with a model number of MC9S12DJ64, and only a part of pins of the processor U1 are shown in the figure; as shown in fig. 3, the output control circuit includes a digital-to-analog converter U2, an amplifier U1A, an adjustable resistor R6, a resistor R7, a capacitor C2, a MOS transistor M1, and an interface J1, where the model of the digital-to-analog converter U2 is AD5721R, and the model of the amplifier U1A is OP 07; pins ALERT, SDI, SCLK, SYNC, SDO, RESET, CLEAR and LDAC of the digital-to-analog converter U2 are respectively connected with pins PAD00, PAD01, PAD02, PAD03, PAD04, PAD05, PAD06 and PAD07 of a processor U1, a VOUT pin of the digital-to-analog converter U2 is connected with a 3 rd pin of an amplifier U1A, a 2 nd pin of the amplifier U1A is connected with a 5 th pin thereof, a 1 st pin of the amplifier U1A is connected with one end of an adjustable resistor R6, a 7 th pin is connected with an adjustable end of R6, a 6 th pin is connected with the other end of R6, a 4 th pin is grounded, the 5 th pin is also connected with one end of a resistor R7, the other end of a resistor R7 is respectively connected with one end of a capacitor C2 and a gate of a transistor M1, the other end of a capacitor C2 and a source of an MOS transistor M1, and a drain of an MOS transistor M1.

The output control circuit further comprises a controllable power supply, the controllable power supply comprises a controllable resistor RL1, a resistor R1-a resistor R6, a capacitor C1 and a controllable voltage stabilizer U3, and the controllable voltage stabilizer U3 is TL431 in model number; the VREF pin of the digital-to-analog converter U2 is connected with the controllable end of a controllable resistor RL1, one end of RL1 is connected with one end of a resistor R1, the other end of RL1 is connected with one end of a resistor R2, the other end of a resistor R1 is connected with one end of a capacitor C1, one end of a resistor R3, one end of a resistor R5 and the 1 st pin of a controllable voltage stabilizer U3, the other end of a resistor R2 is connected with the other end of the capacitor C1, one end of a resistor R4 and the 3 rd pin of the controllable voltage stabilizer U3, and the other end of the resistor R3 and the other end of the resistor R4 are connected with the 2 nd pin of the controllable voltage stabilizer U3.

Furthermore, as shown in fig. 4, the current driving unit includes an interface J2, a current driving chip U4, a resistor R8, a resistor R9, a capacitor C3, a capacitor C4, and a MOS transistor M2, where the model of the current driving chip U4 is QX 7136; the interface J2 is connected with the interface J1, the drain of the MOS transistor M2 is connected with the interface J2, the gate of the MOS transistor M2 is connected with one end of a capacitor C3 and one end of a resistor R8, the source of the MOS transistor M2 and the other end of the capacitor C3 are both grounded, the other end of the resistor R8 is connected with a DRV pin of the current driving chip U4, a CS pin of the current driving chip U4 is connected with one end of the resistor R9 and one end of the capacitor C4, the other end of the resistor R9 and the other end of the capacitor C4 are both grounded, and an LED pin of the current driving chip U4 is connected with a front brake lamp formed by connecting a plurality of LED lamps in parallel.

It should be noted that the interface J1 is only a schematic diagram, the number of actual pins is more than two, the output control circuit converts a digital voltage signal sent by the processor U1 into an analog voltage signal to control the on-state of the LED lamp of the front brake lamp under the control of the central controller of the automobile through the digital-to-analog converter U2, and as long as a brake control signal is sent, both the front left brake lamp and the front right brake lamp are simultaneously turned on; the current of the front and middle brake lamps is distributed through the current driving unit, and the LED lamps of the front and middle brake lamps are different in conduction quantity according to different braking force.

As shown in fig. 5, the front stop lamps are all formed by LED lamps, and the optimal scheme is to select a red bright LED lamp, the front left stop lamp includes an LED _ a lamp, the front right stop lamp includes an LED _ C lamp, wherein a cathode of the LED _ a lamp is connected to a source of the MOS transistor M3, a gate of the MOS transistor M3 is connected to one end of the resistor R10 and one end of the capacitor C5, the other end of the capacitor C5 and a drain of the MOS transistor M3 are both grounded, and the other end of the resistor R10 is connected to the interface J3; the cathode of the LED _ C lamp is connected with the source electrode of the MOS tube M4, the gate of the MOS tube M4 is respectively connected with one end of a resistor R11 and one end of a capacitor C6, the other end of the capacitor C6 and the drain of the MOS tube M4 are both grounded, and the other end of the resistor R11 is connected with an interface J3.

It should be noted that, when the automobile starts braking, no matter how strong the braking force is, the front left brake lamp and the front right brake lamp will be lighted, the front middle brake lamp will light different numbers of LED lamps according to the braking force, the braking force of the automobile can be observed through the number range of the lighted front middle brake lamp, when the pedestrian crosses the road on the pedestrian crossing without the traffic light, the braking force of the automobile can be judged by observing the number of the lighted front middle brake lights in front of the running automobile, if the automobile is only slightly braked, namely, the front middle brake lamp only lights the parts at the two sides to prompt pedestrians that the pedestrians should not continuously cross the road, if the braking force of the automobile is large, the front and middle brake lamps are sequentially lightened from two sides to the middle, and almost all the LED lamps of the front and middle brake lamps are lightened, so that the automobile is proved to be braked to allow pedestrians to cross the road, and the pedestrians are prompted to cross the road. Similarly, when the automobile overtakes or changes lanes on the road, the automobile needing overtaking or changing lanes can observe whether the automobile in the rear side initiates braking to let the automobile overtake or change lanes through the side view mirror, and if the automobile in the rear side does not initiate braking and the automobile is not in the safe lane changing range, the lane changing should not be forced, so as to avoid the loss of the two parties. For another example, at an intersection without traffic lights, the vehicle needs to turn left, and the vehicle in front of the intersection needs to go straight, although the turning vehicle should give the right to the straight vehicle, many drivers do not obey the rules when driving, so the driver can judge whether the opposite vehicle starts braking by observing the front brake lights in front of the vehicle, so as to determine whether the intersection should continue to drive or should decelerate to give the right.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a set up the brake light in car the place ahead, is connected with car braking system which characterized in that: the automobile brake system comprises an automobile central controller connected with an automobile brake system and a front brake lamp connected with the automobile central controller;

the front brake lamp comprises a front left brake lamp and a front right brake lamp which are respectively connected with the central controller of the automobile; the front left brake lamp and the front right brake lamp are respectively connected with the automobile central controller through the output control circuit; the front brake lamp also comprises a front brake lamp and a middle brake lamp which are connected with the output control circuit;

the automobile brake system further comprises a current driving unit connected with the output control circuit and a brake pump pressure detection unit connected with the automobile central controller, the brake pump pressure detection unit is connected with the automobile brake system, and the front brake lamp is connected with the output control circuit through the current driving unit.

2. A brake light arranged in front of a vehicle according to claim 1, wherein: the front middle brake lamp is formed by connecting a plurality of LED lamps in parallel and is arranged around the front windshield of the automobile or below a front engine hood.

3. A brake light arranged in front of a vehicle according to claim 1, wherein: the automobile central controller selects a processor U1 with the model number of MC9S12DJ 64; the output control circuit comprises a digital-to-analog converter U2, an amplifier U1A and an interface J1, wherein the input end of the digital-to-analog converter U2 is connected with the processor U1, the output end of the digital-to-analog converter U2 is connected with the input end of the amplifier U1A, and the output end of the amplifier U1A is connected with the interface J1.

4. A brake light arranged in front of a vehicle according to claim 3, wherein: the digital-to-analog converter U2 is further connected with a controllable power supply, the controllable power supply comprises a controllable resistor RL1 and a controllable voltage stabilizer U3, the controllable resistor RL1 is connected with the digital-to-analog converter U2, and the controllable voltage stabilizer U3 is connected with the controllable resistor RL1 in parallel.

5. A brake light arranged in front of a vehicle according to claim 3, wherein: the front middle brake lamp comprises an LED _ B indicator lamp formed by connecting a plurality of LED lamps in parallel, the current driving unit comprises a current driving chip U4 and an interface J2 connected with the current driving chip U4, the type of the current driving chip U4 is QX7136, the interface J2 is connected with the interface J1, and the current driving chip U4 is connected with the LED _ B indicator lamp.

6. A brake light arranged in front of a vehicle according to claim 3, wherein: the front left brake lamp comprises an LED _ A indicator lamp, the front right brake lamp comprises an LED _ C indicator lamp, and the LED _ A indicator lamp and the LED _ C indicator lamp are respectively connected with an interface J1 through an interface J3.