CN211364409U - High-order stop lamp reminding device of brake pedal stroke - Google Patents

Abstract

The utility model discloses a high-position brake light reminding device for the stroke of a brake pedal, which is applied to an automobile. The device comprises: a brake pedal, which is located at the foot of a driver in a cockpit, and is used for receiving different braking degrees input by the driver. Braking command; the input conditioning circuit is connected to the brake pedal, and is used to convert the braking commands of different braking degrees into braking level signals and send them to the MCU main chip; the MCU main chip is connected to the input conditioning circuit. Connection, used to correspondingly convert the braking level signal into the high-level brake light level signal; the output conditioning circuit is connected with the MCU main chip; the new high-level brake light includes a plurality of LED lights, which are connected with the output conditioning circuit for Receive high-level brake light level signal, corresponding to flashing different number of LED lights. The utility model can correspondingly display the braking degree of the brake pedal through the improved new high-position brake light, thereby improving the safety of the normal driving of the automobile.

Description

A high-level brake light reminder device for brake pedal stroke

technical field

The utility model relates to the technical field of automobile safety, in particular to a high-position brake light reminder device for the stroke of a brake pedal.

Background technique

At present, cars have become an important means of transportation in people's work and life.

As we all know, the rear tail lights of the car are composed of: width lights, brake lights, anti-fog lights, turn signals, reversing lights, and double jump lights. The car controls the working status of these lights through the body controller (BCM). At present, when braking, the brake lights and the car high-mounted lights at the rear tail lights turn on to remind the car coming from behind.

However, for many people, especially the novice, when the vehicle ahead has emergency braking or slow braking, the driver cannot accurately judge the status of the vehicle ahead because the high-mounted lights and brake lights of the car are always on at a fixed brightness. , It is impossible to accurately judge whether the vehicle in front is braking urgently or slowly based on the high-mounted lights and brake lights of the car, so sometimes it is impossible to make the correct braking choice for the vehicle, and accidents are prone to occur. It seriously affects the personal safety of passengers and drivers, and easily causes serious property damage.

Utility model content

The purpose of the utility model is to provide a high-level brake light reminder device for the stroke of the brake pedal, aiming at the technical defects existing in the prior art.

To this end, the utility model provides a high-position brake light reminder device for the stroke of a brake pedal, which is applied to an automobile and includes a brake pedal, an input and output conditioning circuit, an MCU main chip and a novel high-position brake light, wherein:

The brake pedal, located under the driver's feet in the cockpit, is used to receive the braking commands of different braking degrees input by the driver;

The input conditioning circuit is connected to the brake pedal, and is used to convert the braking commands of different braking degrees input by the driver into the corresponding braking degree level signals reflecting different braking degrees, and then send them to the MCU main chip;

The MCU main chip, which is connected to the input conditioning circuit, is used to convert the braking degree level signals reflecting different braking degrees transmitted from the input conditioning circuit into high-level brake light level signals reflecting different braking degrees, and then Sent to the output conditioning circuit;

The output conditioning circuit is connected to the MCU main chip, and is used to receive the high-level brake light level signals reflecting different braking degrees sent by the MCU main chip, and then transmit it to the new high-level brake light;

The new high-position brake light, including multiple LED lights, is located at the original high-position brake light of the car, and is connected to the output conditioning circuit to receive the high-position brake light level signal reflecting different braking degrees, and then according to the high-position brake light level Different signals, corresponding to different numbers of LED lights flashing.

Among them, the output conditioning circuit, the MCU main chip and the output conditioning circuit are integrated on the vehicle body controller.

Among them, the new high-mounted brake light is installed in the middle of the upper part of the rear of the car.

Among them, it also includes a power supply, which is integrated on the body controller of the car, and is respectively connected with the output conditioning circuit, the MCU main chip and the output conditioning circuit for providing electric energy.

It can be seen from the above technical solutions provided by the present utility model that, compared with the prior art, the present utility model provides a high-position brake light reminder device for the stroke of the brake pedal, which can improve the braking degree of the brake pedal by improving it. The new high-position brake light of the new high-level brake light is displayed correspondingly, so that the rear car can know whether the braking situation of the preceding car is sudden or slow braking in time, so as to effectively and reliably prevent the rear car from colliding with the car caused by the sudden braking or slow braking of the preceding car. Improving the safety of normal driving of automobiles, ensuring the property and personal safety of drivers and passengers, is conducive to popularization and application, and has great practical significance in production.

Description of drawings

1 is a structural block diagram of a high-position brake light reminder device for a brake pedal stroke provided by the utility model;

2 is a schematic diagram of a level signal reflecting the braking degree of the brake pedal in an embodiment of a high-position brake light reminder device for a brake pedal stroke provided by the utility model;

3 is a schematic diagram of the level signal of the high-position brake light reflecting the braking degree of the brake pedal in an embodiment of the high-position brake light reminder device for the stroke of the brake pedal provided by the present invention.

Detailed ways

In order to make those skilled in the art better understand the solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

Referring to FIGS. 1 to 3 , the present utility model provides a high-position brake light reminder device for the stroke of the brake pedal, which is applied to an automobile, and specifically includes: a brake pedal, an input and output conditioning circuit, an MCU main chip and a novel high-position brake light. ,in:

The brake pedal, located under the driver's feet in the cockpit, is used to receive the braking commands of different braking degrees input by the driver;

The input conditioning circuit is connected to the brake pedal (through the signal line), and is used to convert the braking commands of different braking degrees input by the driver into corresponding braking degree level signals reflecting different braking degrees, and then send To the MCU main chip;

The MCU main chip is connected to the input conditioning circuit (through the signal line), and is used to convert the braking degree level signals reflecting different braking degrees transmitted from the input conditioning circuit into high-level brake lights reflecting different braking degrees. level signal, and then sent to the output conditioning circuit;

The output conditioning circuit is connected with the MCU main chip (through the signal line), and is used to receive the high-level brake light level signals reflecting different braking degrees sent by the MCU main chip, and then transmit it to the new high-level brake light;

The new high-mounted brake light, including multiple LED lights, is located at the original high-mounted brake light of the car, and is connected with the output conditioning circuit (through the signal line) to receive the high-level brake light level signal reflecting different braking degrees, and then according to the Different levels of high-level brake light signals correspond to different numbers of LED lights flashing (that is, the flashing progress of multiple LED lights is different). Therefore, for the present invention, the braking degree of the brake pedal can be correspondingly displayed through the improved new high-mounted brake light, thereby prompting the rear vehicle to know whether the braking situation of the preceding vehicle is sudden braking or slow braking. Therefore, the utility model can remind the rear vehicle through the novel high-position brake light in time when the vehicle brakes suddenly or brakes, so as to reliably prevent the vehicle from rear-end collision.

In the present invention, in terms of specific implementation, the output conditioning circuit, the MCU main chip and the output conditioning circuit can be integrated on the body controller (BCM) of the automobile.

In the utility model, in terms of specific implementation, the novel high-position brake light is installed in the middle position of the upper part of the rear of the automobile.

In the present invention, the specific implementation further includes a power supply, which is integrated on the body controller (BCM) of the automobile, and is respectively connected with the output conditioning circuit, the MCU main chip and the output conditioning circuit for supplying electric energy.

It should be noted that, in the present invention, the input conditioning circuit is a level conversion conditioning circuit in the existing common circuits, which mainly converts the analog signal (the stroke of the brake pedal) into a circuit suitable for the MCU main chip. processed level signal. Under normal circumstances, it is mainly composed of diodes, capacitors, resistors, amplifiers and other components. Since the level conversion conditioning circuit is a well-known common circuit, it is not repeated here.

It should be noted that, in terms of specific implementation, the MCU main chip can be a Microcontroller Unit (MCU), also known as a single-chip microcomputer, which appropriately reduces the frequency and specifications of the central processing unit (Central Process Unit; CPU). Peripheral interfaces such as memory, counter (TImer), USB, A/D conversion, and even LCD drive circuits are integrated on a single chip to form a chip-level computer, which is the control unit for vehicle status and commands. At present, the mainstream MCU microcontroller companies include Renesas Electronics, NXP, Microchip Technology, STMicroelectronics, Infineon, Texas Instruments, Cypress, Samsung, Toshiba and Core.

It should be noted that, in terms of specific implementation, the output conditioning circuit is a level conversion conditioning circuit in an existing common circuit, which mainly converts the braking degree level signal into a high-level brake light level signal. It is mainly composed of diodes, capacitors, resistors, amplifiers and other components. Since the level conversion conditioning circuit is a well-known common circuit, it is not repeated here.

It should be noted that, for the utility model, the new high-mounted brake light is an improved high-mounted brake light, which is located at the high-mounted brake light of the original car. , according to the different level signals of the high-level brake light, the flashing progress of the LED light is different (specifically, the number of flashes is different), so as to remind the rear vehicle: the braking degree of the car.

For the utility model, in terms of specific implementation, when the driver steps on the brake pedal, the stroke signal of the depressed brake pedal is transmitted to the high-level brake light. The signal also changes. The deeper the brake pedal is, the more bright positions of the high-mounted brake light will be. At this point, the rear vehicle is reminded of the braking situation of the vehicle, so as to effectively and reliably prevent the rear-end collision caused by the braking of the front vehicle.

In order to understand the present utility model more clearly, the working principle of the present utility model will be described below with reference to the specific working process.

For the utility model, when the driver depresses the brake pedal, the input conditioning circuit converts the depressed stroke of the brake pedal (that is, the braking commands of different braking degrees input by the driver) into the braking that reflects the braking degree. The brake level signal is transmitted to the MCU main chip, and the MCU main chip converts the brake level signal into the high-level brake light level signal required by the high-level brake light. Then, through the output conditioning The circuit transmits the high-level brake level signal required by the high-level brake light to the improved new-type high-level brake light. The improved new-type high-level brake light depends on the level signal of the high-level brake light, and the corresponding LED light flashing progress of the trigger display is different (specifically: Correspondingly flashing LED lights of different numbers), to remind the rear vehicle of the braking degree of the vehicle.

Among them, the stroke of the brake pedal is divided into five degrees: the driver has just stepped on the brake pedal within 20% (level 1), the stroke of the brake pedal is 20% to 40% (level 2), the braking The pedal stroke is 40% to 60% (level three), the brake pedal stroke is 60% to 80% (level four), and the brake pedal stroke is 80% to 100% (level five). The braking degree level signal of the brake pedal and the high-level brake light level signal corresponding to the five levels are shown in Figure 2 and Figure 3.

For example, the new high-mounted brake light includes five LED lights, and for the above five levels of high-mounted brake light level signals, one, two, three, four or five LED lights are flashed correspondingly. When four or five LED lights flash, it means emergency braking. And when one or two LED lights flash, it means slow braking state.

It should be noted that the brake pedal, power supply, MCU main chip, and high-level brake light are all installed on the car at present. It is only necessary to improve the high-level brake light and integrate it in the BMC controller. Therefore, the utility model can realize intelligentization and electronization with better performance and lower cost, and improve the safety of normal driving of automobiles.

In the present invention, in terms of specific implementation, the MCU main chip can be a programmable controller PLC, a central processing unit CPU, a digital signal processor DSP or a single-chip MCU.

To sum up, compared with the prior art, the utility model provides a high-level brake light reminder device for the stroke of the brake pedal, which can detect the braking degree of the brake pedal through the improved new high-level brake light. Corresponding display, so that the rear car can know whether the braking situation of the preceding car is sudden or slow braking in time, so as to effectively and reliably prevent the rear car from colliding with the car caused by the sudden braking or slow braking of the preceding car, and improve the safety of the normal driving of the car. It can protect the property and personal safety of drivers and passengers, is conducive to popularization and application, and has great practical significance in production.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the principles of the present invention, several improvements and modifications can be made. These improvements and Retouching should also be regarded as the protection scope of the present invention.

Claims (4)

1. a high-position brake light reminding device of a brake pedal stroke, applied to an automobile, is characterized in that, comprising brake pedal, input and output conditioning circuit, MCU main chip and novel high-position brake light, wherein: The brake pedal, located under the driver's feet in the cockpit, is used to receive the braking commands of different braking degrees input by the driver; The input conditioning circuit is connected to the brake pedal, and is used to convert the braking commands of different braking degrees input by the driver into the corresponding braking degree level signals reflecting different braking degrees, and then send them to the MCU main chip; The MCU main chip, which is connected to the input conditioning circuit, is used to convert the braking degree level signals reflecting different braking degrees transmitted from the input conditioning circuit into high-level brake light level signals reflecting different braking degrees, and then Sent to the output conditioning circuit; The output conditioning circuit is connected to the MCU main chip, and is used to receive the high-level brake light level signals reflecting different braking degrees sent by the MCU main chip, and then transmit it to the new high-level brake light; The new high-position brake light, including multiple LED lights, is located at the original high-position brake light of the car, and is connected to the output conditioning circuit to receive the high-position brake light level signal reflecting different braking degrees, and then according to the high-position brake light level Different signals, corresponding to different numbers of LED lights flashing. 2 . The high-position brake light reminding device of the brake pedal stroke as claimed in claim 1 , wherein the output conditioning circuit, the MCU main chip and the output conditioning circuit are integrated on the vehicle body controller. 3 . 3 . The high-mounted brake light reminding device of the brake pedal stroke according to claim 1 , wherein the new high-mounted brake light is installed in the upper middle position of the rear of the automobile. 4 . 4. The high-position brake light reminding device of the brake pedal stroke according to any one of claims 1 to 3, characterized in that, further comprising a power supply, integrated on the body controller of the automobile, and respectively associated with the output conditioning circuit, The MCU main chip is connected with the output conditioning circuit for providing power.

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