CN217969362U

CN217969362U - Adaptive-adjustment automobile headlamp circuit

Info

Publication number: CN217969362U
Application number: CN202221982796.1U
Authority: CN
Inventors: 成生伟
Original assignee: Jiangsu Deyi Xiangyu Optoelectronics Technology Co ltd
Current assignee: Jiangsu Deyi Xiangyu Optoelectronics Technology Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-12-06
Anticipated expiration: 2032-07-29

Abstract

The utility model relates to the technical field of auto-parts, specifically be a car headlight circuit of self-adaptation regulation, including collection system and through PWM controller electric connection's driver, the output of driver is connected with LED lamp body group, and collection system includes photoelectric sensor and sound sensor, and PWM controller's internal integration has the singlechip, and collection system passes through wire and singlechip electric connection, and the singlechip passes through wire and LED lamp body group electric connection. The utility model discloses the singlechip that last photoelectric sensor of collection system and sound sensor will collect information transfer to in the PWM controller is handled, realize in the tunnel that light is darker and in-process automatic start LED lamp body group that whistles and throw light on the road surface and warn preceding vehicle, promote the convenience after the use greatly, degree of automation is high, promote the security of driving, guarantee the safety under the lower road conditions of visibility simultaneously, again can be under the better condition of visibility energy-conservation.

Description

Adaptive-adjustment automobile headlamp circuit

Technical Field

The utility model relates to a headlight circuit especially relates to a car headlight circuit of self-adaptation regulation, belongs to auto-parts technical field.

Background

The function of the automobile headlight is developed from the initial pure lighting to the current decoration, brand characteristic implantation, design power exhibition and the like, and due to the change of light sources, the headlight is also developed from a kerosene lamp to an acetylene lamp, and then from a halogen lamp to a xenon lamp to an LED lamp and a laser lamp, and the lighting effect and the functionality are developed in a cross-mode manner.

Traditional car headlamp is mostly controlled through the combined physical switch, and to the rainy day environment or the condition of entering the tunnel daytime, the driver needs frequent manual turn-on or turn-off of the headlamp, complex operation, and degree of automation is low.

Therefore, there is a need for an improved headlamp circuit for an automobile to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a car headlight circuit of self-adaptation regulation, the singlechip that photoelectric sensor and acoustic sensor on the collection system will be collected in information transfer to the PWM controller is handled, realize in the tunnel that light is darker and in-process automatic start LED lamp body group that whistles and throw light on the road surface and warn preceding vehicle, promote the convenience after the use greatly, degree of automation is high, promote the security of driving, guarantee the safety under the lower road conditions of visibility simultaneously, can be again under the better condition of visibility energy-conservation.

In order to achieve the above object, the utility model discloses a main technical scheme include:

a self-adaptive adjusting automobile headlamp circuit comprises an acquisition device and a driver electrically connected through a PWM (pulse-width modulation) controller, wherein the output end of the driver is connected with an LED lamp body group, the acquisition device, the PWM controller and the driver are sequentially and electrically connected through a lead, and the acquisition device comprises a photoelectric sensor and a sound sensor;

the LED lamp comprises a PWM controller and is characterized in that a single chip microcomputer is integrated in the PWM controller, the acquisition device is electrically connected with the single chip microcomputer through a lead, and the single chip microcomputer is electrically connected with the LED lamp body group through a lead.

Preferably, the PWM controller is connected to a vehicle power supply through a transformer, and a current amplifier and an electromagnetic relay are connected between the PWM controller and the driver.

Preferably, a filter is electrically connected between the current amplifier and the electromagnetic relay, the input end of the electromagnetic relay is electrically connected with the filter, and the output end of the electromagnetic relay is electrically connected with the LED lamp body set.

Preferably, a time relay is arranged between the LED lamp body group and the electromagnetic relay.

Preferably, the electromagnetic relay is a normally closed electromagnetic relay, and the LED lamp body group is electrically connected with the automobile power supply through the electromagnetic relay.

Preferably, the LED lamp body group includes LED passing lamp and LED high beam, the LED passing lamp with the LED high beam all with driver electric connection.

Preferably, a voltage regulator is coupled to the inside of the driver, and the model of the voltage regulator is LM317T.

Preferably, the model of the photoelectric sensor is E3JK-5M3, and the model of the sound sensor is TZ-2KA.

The utility model discloses possess following beneficial effect at least:

1. photoelectric sensor and the single-chip microcomputer of sound sensor on the collection system in will collecting information transfer to the PWM controller are handled, realize in the tunnel that light is darker and in-process automatic start LED lamp body group that whistles and throw light on to the road surface and warn the preceding vehicle, promote the convenience after the use greatly, degree of automation is high, promotes the security of driving.

2. The automobile headlamp can be automatically turned on when the visibility of the weather is lower than a certain value, and can be automatically turned off when the visibility of the weather is higher than the certain value, so that the safety of the automobile headlamp under the condition of low visibility can be ensured, and the energy can be saved under the condition of high visibility.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is an electrical schematic diagram of the present invention.

In the figure, 1-acquisition device, 101-photoelectric sensor, 102-sound sensor, 2-PWM controller, 3-driver, 4-LED lamp body group, 401-LED dipped headlight, 402-LED high beam, 5-single chip microcomputer, 6-current amplifier, 7-electromagnetic relay, 8-filter, 9-time relay and 10-voltage stabilizer.

Detailed Description

The embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement the technical means for solving the technical problems and achieving the technical effects of the present application can be fully understood and implemented.

As shown in fig. 1, the adaptive control automobile headlamp circuit provided in this embodiment includes an acquisition device 1 and a driver 3 electrically connected through a PWM controller 2, an output end of the driver 3 is connected with an LED lamp body group 4, the acquisition device 1, the PWM controller 2 and the driver 3 are electrically connected in sequence through a wire, the acquisition device 1 includes a photoelectric sensor 101 and a sound sensor 102, a single chip microcomputer 5 is integrated inside the PWM controller 2, the acquisition device 1 is electrically connected with the single chip microcomputer 5 through a wire, and the single chip microcomputer 5 is electrically connected with the LED lamp body group 4 through a wire;

photoelectric sensor 101 and sound sensor 102 on collection system 1 will collect the singlechip 5 of information transfer to PWM controller 2 and handle, photoelectric sensor 101's model is E3JK-5M3, sound sensor 102's model is TZ-2KA, at singlechip 5 with information processing back through 3 drive lamp body groups 4 of driver, realize in the tunnel that light is darker and in the in-process automatic start LED lamp body group 4 that whistle is thrown light on the road surface and is warned the preceding vehicle, promote the convenience after the use greatly, the automation is high, promote the security of driving.

After the visibility of weather is lower than a certain value, the automobile headlamp can be automatically turned on, and after the visibility is higher than a certain value, the automobile headlamp can be automatically turned off, so that the safety under the condition of low visibility road conditions can be ensured, the energy can be saved under the condition of high visibility, the automatic on-off of the automobile headlamp according to the weather brightness is realized, the use is convenient, and the energy is saved.

Be connected with vehicle mounted power through the transformer on PWM controller 2, be connected with current amplifier 6 and electromagnetic relay 7 between PWM controller 2 and the driver 3, current amplifier 6 has the effect of amplified current, promote 4 luminance through the increase current in the darker environment of light, electromagnetic relay 7 is normal close formula electromagnetic relay, LED lamp body group 4 is through electromagnetic relay 7 and automotive power electric connection, electromagnetic relay 7 has control system and by control system, be applied to automatic control circuit usually, play automatically regulated in the circuit, safety protection, converting circuit etc. effect.

The filter 8 is electrically connected between the current amplifier 6 and the electromagnetic relay 7, the input end of the electromagnetic relay 7 is electrically connected with the filter 8, the output end of the electromagnetic relay 7 is electrically connected with the LED lamp body group 4, the filter 8 allows low-frequency signals lower than the cut-off frequency to pass, the signals with the frequency higher than the cut-off frequency to pass are reduced, and the stability of the LED lamp body group 4 is improved.

A time relay 9 is arranged between the LED lamp body group 4 and the electromagnetic relay 7 and used for switching on or off electrical elements of a circuit with higher voltage and larger current, a control current is supplied to a working coil of the relay, the relay is closed, a corresponding contact is switched on or off in a power supply circuit, the relay is also called a contactor, and the service life of the circuit is prolonged.

The LED lamp body group 4 comprises an LED dipped headlight 401 and an LED high beam 402, the LED dipped headlight 401 and the LED high beam 402 are both electrically connected with the driver 3, the LED dipped headlight 401 and the LED high beam 402 can be flexibly switched in different environments, and the electric energy is saved.

The voltage stabilizer 10 is coupled to the inside of the driver 3, the model of the voltage stabilizer 10 is LM317T, and the voltage stabilizer 10 helps to provide stable voltage to the LED lamp body group 4, so as to prolong the service life of the LED lamp body group 4.

As shown in fig. 1, the principle of the adaptive adjusting headlamp circuit provided in this embodiment is as follows:

As some terms are used throughout the description and claims to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to achieve the technical effect basically.

It is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrases "comprising one of 8230 \8230;" does not exclude the presence of additional like elements in an article or system comprising the element.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A self-adaptive adjusting automobile headlamp circuit comprises an acquisition device (1) and a driver (3) electrically connected through a PWM (pulse-width modulation) controller (2), and is characterized in that the output end of the driver (3) is connected with an LED lamp body group (4), the acquisition device (1), the PWM controller (2) and the driver (3) are sequentially and electrically connected through a lead, and the acquisition device (1) comprises a photoelectric sensor (101) and a sound sensor (102);

the LED lamp is characterized in that a single chip microcomputer (5) is integrated in the PWM controller (2), the acquisition device (1) is electrically connected with the single chip microcomputer (5) through a lead, and the single chip microcomputer (5) is electrically connected with the LED lamp body group (4) through a lead.

2. The adaptive control headlamp circuit of claim 1, wherein: the PWM controller (2) is connected with a vehicle-mounted power supply through a transformer, and a current amplifier (6) and an electromagnetic relay (7) are connected between the PWM controller (2) and the driver (3).

3. An adaptive dimming headlight circuit as claimed in claim 2, characterized in that: a filter (8) is electrically connected between the current amplifier (6) and the electromagnetic relay (7), the input end of the electromagnetic relay (7) is electrically connected with the filter (8), and the output end of the electromagnetic relay (7) is electrically connected with the LED lamp body group (4).

4. The adaptive control headlamp circuit of claim 3, wherein: and a time relay (9) is arranged between the LED lamp body group (4) and the electromagnetic relay (7).

5. An adaptive dimming headlight circuit as claimed in claim 2, characterized in that: the electromagnetic relay (7) is a normally closed electromagnetic relay, and the LED lamp body group (4) is electrically connected with an automobile power supply through the electromagnetic relay (7).

6. The adaptive control headlamp circuit of claim 1, wherein: LED lamp body group (4) are including LED passing lamp (401) and LED high beam (402), LED passing lamp (401) with LED high beam (402) all with driver (3) electric connection.

7. An adaptive dimming headlight circuit as claimed in claim 1, characterized in that: a voltage regulator (10) is coupled inside the driver (3), and the model of the voltage regulator (10) is LM317T.

8. The adaptive control headlamp circuit of claim 1, wherein: the model of photoelectric sensor (101) is E3JK-5M3, the model of acoustic sensor (102) is TZ-2KA.