CN218941384U

CN218941384U - Step-down high-order stop lamp circuit

Info

Publication number: CN218941384U
Application number: CN202222993941.2U
Authority: CN
Inventors: 刘金洲; 邱勇
Original assignee: Chongqing Haodi Zhuyuan Technology Co ltd
Current assignee: Chongqing Haodi Zhuyuan Technology Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-04-28
Anticipated expiration: 2032-11-10

Abstract

The utility model discloses a voltage-reducing high-position brake lamp circuit, and belongs to the technical field of vehicle lamps. It comprises the following steps: the LED lamp comprises a power supply VCC, a diode D1, a resistor R1-resistor R15, a transient diode TVS1, capacitors C1 and C2 and lamp beads LED1-LED10, wherein the transient diode TVS1, the capacitor C1 and the resistor R1 are all connected in parallel between the power supply and the ground GND, the power supply VCC is connected with the positive electrode of the diode D1, the negative electrode of the diode D1 is respectively connected with one end of the resistor R2-resistor R10, the other ends of the resistor R2-resistor R10 are commonly connected at a common point, a capacitor C2 and a resistor R11 are arranged on the common point of the resistor R2-resistor R10 in parallel, and the capacitor C2 and the resistor R11 are grounded after being connected in parallel; the common point of the resistor R2 and the resistor R10 is also provided with 3 strings of 4 parallel lamp beads. The utility model solves the problems of insufficient brightness and uneven light color of the light-emitting surface of the existing high-level lamp.

Description

Step-down high-order stop lamp circuit

Technical Field

The utility model belongs to an automobile lamp, and particularly relates to a pressure-reducing high-position brake lamp.

Background

The automobile is known to the family now, and can be seen anytime and anywhere. The automobile is provided with a high-position brake lamp, and when the brake is stamped on the rear of the automobile, a row of red lights are lighted. The driver behind the vehicle can know that the front vehicle is decelerating in advance, and the driver can also process the vehicle in advance. Because the brightness of the existing high-level lamp is not enough, the luminous surface is not uniform, and the rear vehicle can be misunderstood, so that unnecessary traffic accidents are generated.

The utility model provides a step-down high-level brake lamp circuit aiming at the technical defects, which solves the problems of insufficient brightness and uneven light color of a light-emitting surface of the existing high-level lamp.

Disclosure of Invention

The present utility model is directed to solving the above problems of the prior art. A step-down high-level brake lamp circuit is provided. The technical scheme of the utility model is as follows:

a buck high-end stop lamp circuit, comprising: the LED lamp comprises a power supply VCC, a diode D1, a resistor R1-resistor R15, a transient diode TVS1, a capacitor C2 and a lamp bead LED1-LED10, wherein the transient diode TVS1, the capacitor C1 and the resistor R1 are all connected in parallel between the power supply and the ground GND, the power supply VCC is connected with the positive electrode of the diode D1, the negative electrode of the diode D1 is respectively connected with one end of the resistor R2-resistor R10, the other ends of the resistor R2-resistor R10 are commonly connected at a common point, a capacitor C2 and a resistor R11 are arranged on the common point of the resistor R2-resistor R10 in parallel, and the capacitor C2 and the resistor R11 are grounded after being connected in parallel; the common point of the resistor R2-the resistor R10 is also provided with 3 strings of 4 parallel lamp beads, wherein the lamp beads LED1-LED3 are connected in series, the lamp beads LED4-LED6 are connected in series, the lamp beads LED7-LED9 are connected in series, the lamp beads LED10 are connected in series with the resistor R14 and the resistor R15, and the four serial lamp bead circuits are connected in parallel and then grounded.

Further, when the power is turned on, the current flows through the transient diode TVS1, the capacitor C1 and the resistor R1 and is connected to the ground GND in parallel, so that the whole circuit is protected; rectifying the current through a diode D1, and connecting the current to a resistor R2-resistor R10 for voltage reduction; the LED lamp is connected with the lamp beads which are connected with the other end 3 in series and 4 in parallel through the voltage-reducing resistors R2-R10, and as only 10 lamp beads are arranged, only one lamp bead LED10 is arranged in a parallel circuit, and the lamp beads are replaced by the resistors R14 and R15; meanwhile, the parallel capacitor C2 and the resistor R11 play a role in protecting the two ends of the lamp bead.

The utility model has the advantages and beneficial effects as follows:

1. the utility model can save more cost to achieve the aim by using the resistor voltage reduction mode.

2. The whole circuit has protection function at two places, and the safety coefficient is improved.

3. The brightness of the whole car lamp is improved, the luminous surface is more uniform, and the car lamp can be clearly distinguished.

Drawings

FIG. 1 is a schematic diagram of a circuit for a high-end stop lamp according to a preferred embodiment of the present utility model.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and specifically described below with reference to the drawings in the embodiments of the present utility model. The described embodiments are only a few embodiments of the present utility model.

The technical scheme for solving the technical problems is as follows:

1. summary of the utility model

S191 high-order lamp is a car lamp designed by I driver according to the requirements of customers, and is suitable for 9-16V voltage. The current and brightness of the high-order lamp are controlled by using 10 lamp beads, 3 strings of lamp beads and 4 strings of lamp beads in parallel and adopting a resistor voltage reduction mode. And (5) finishing ageing, high-temperature experiments and low-temperature experiments. The following is a detailed description of the utility model.

2. Lamp structure

The two sides of the high-level lamp PCB are arc-shaped, and the lamp beads at all positions are evenly distributed, so that the whole luminous surface is uniform, and the high-level lamp PCB is composed of a diode, a resistor, a capacitor, a TVS and the lamp beads.

3. Principle of operation (see the principle diagram in detail)

As shown in fig. 1, a step-down high-level brake lamp circuit includes: the LED lamp comprises a power supply VCC, a diode D1, a resistor R1-resistor R15, a transient diode TVS1, a capacitor C2 and a lamp bead LED1-LED10, wherein the transient diode TVS1, the capacitor C1 and the resistor R1 are all connected in parallel between the power supply and the ground GND, the power supply VCC is connected with the positive electrode of the diode D1, the negative electrode of the diode D1 is respectively connected with one end of the resistor R2-resistor R10, the other ends of the resistor R2-resistor R10 are commonly connected at a common point, a capacitor C2 and a resistor R11 are arranged on the common point of the resistor R2-resistor R10 in parallel, and the capacitor C2 and the resistor R11 are grounded after being connected in parallel; the common point of the resistor R2-the resistor R10 is also provided with 3 strings of 4 parallel lamp beads, wherein the lamp beads LED1-LED3 are connected in series, the lamp beads LED4-LED6 are connected in series, the lamp beads LED7-LED9 are connected in series, the lamp beads LED10 are connected in series with the resistor R14 and the resistor R15, and the four serial lamp bead circuits are connected in parallel and then grounded. In addition, the model numbers or sizes of the respective components of the present utility model are illustrated in fig. 1, which is for illustrating the present utility model and should not be construed as limiting the model numbers or values of the respective components.

Further, when the power is turned on, a current flows through the TVS1, C1, R1 and is connected in parallel to GND, thereby protecting the whole circuit. And then the current is rectified through a diode D1 and is connected to resistors R2, R3, R4, R5, R6, R7, R8, R9 and R10 for voltage reduction. The voltage-reducing resistors R2-R10 are connected with the lamp beads which are connected in series with 4 at the other end 3, and only 10 lamp beads are connected in parallel, so that only one lamp bead is connected in a parallel line, and the power consumed by the lamp beads is replaced by the calculated current through the resistors R14 and R15. Meanwhile, the parallel capacitor C2 and the resistor R11 play a role in protecting the two ends of the lamp bead. (as in figure 1).

The system, apparatus, module or unit set forth in the above embodiments may be implemented in particular by a computer chip or entity, or by a product having a certain function. One typical implementation is a computer. In particular, the computer may be, for example, a personal computer, a laptop computer, a cellular telephone, a camera phone, a smart phone, a personal digital assistant, a media player, a navigation device, an email device, a game console, a tablet computer, a wearable device, or a combination of any of these devices.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.

The above examples should be understood as illustrative only and not limiting the scope of the utility model. Various changes and modifications to the present utility model may be made by one skilled in the art after reading the teachings herein, and such equivalent changes and modifications are intended to fall within the scope of the utility model as defined in the appended claims.

Claims

1. A step-down high-end stop lamp circuit, comprising: the LED lamp comprises a power supply VCC, a diode D1, a resistor R1-resistor R15, a transient diode TVS1, a capacitor C2 and a lamp bead LED1-LED10, wherein the transient diode TVS1, the capacitor C1 and the resistor R1 are all connected in parallel between the power supply and the ground GND, the power supply VCC is connected with the positive electrode of the diode D1, the negative electrode of the diode D1 is respectively connected with one end of the resistor R2-resistor R10, the other ends of the resistor R2-resistor R10 are commonly connected at a common point, a capacitor C2 and a resistor R11 are arranged on the common point of the resistor R2-resistor R10 in parallel, and the capacitor C2 and the resistor R11 are grounded after being connected in parallel; the common point of the resistor R2-the resistor R10 is also provided with 3 strings of 4 parallel lamp beads, wherein the lamp beads LED1-LED3 are connected in series, the lamp beads LED4-LED6 are connected in series, the lamp beads LED7-LED9 are connected in series, the lamp beads LED10 are connected in series with the resistor R14 and the resistor R15, and the four serial lamp bead circuits are connected in parallel and then grounded.

2. The circuit of claim 1, wherein when the power is turned on, the current flows through the transient diode TVS1, the capacitor C1, and the resistor R1 and is connected in parallel to the ground GND, thereby protecting the whole circuit; rectifying the current through a diode D1, and connecting the current to a resistor R2-resistor R10 for voltage reduction; the LED lamp is connected with the lamp beads which are connected with the other end 3 in series and 4 in parallel through the voltage-reducing resistors R2-R10, and as only 10 lamp beads are arranged, only one lamp bead LED10 is arranged in a parallel circuit, and the lamp beads are replaced by the resistors R14 and R15; meanwhile, the parallel capacitor C2 and the resistor R11 play a role in protecting the two ends of the lamp bead.