CN220701014U - Self-adaptive heating device for rearview mirror - Google Patents

Abstract

The utility model discloses an adaptive rearview mirror heating device, which relates to the field of vehicles. The rearview mirror adaptive heating device includes: a vehicle power supply unit, which is used to access the vehicle power supply and supply a microcontroller unit, a sensor unit, and a microcontroller unit. Stream output unit; sensor unit, used to detect information about the environment and rearview mirror, convert it into electrical signals and output them to the microcontroller unit; microcontroller unit, used to receive input information from the sensor unit, and select whether or not based on the size of the input electrical signal. The microfluidic output unit is driven to work; the beneficial effects of the utility model are: the utility model is applied to vehicles that cannot heat rearview mirrors. To heat rearview mirrors of different models, only the rearview mirror size unit and the circuit control unit need to be replaced. No changes are required; it does not rely on the entire machine manufacturer's software, and does not require changes to the vehicle's host software; it does not require changes to the vehicle's circuitry; it does not require the addition of separate physical buttons, and has no impact on the driver's operating habits.

Description

A rearview mirror adaptive heating device

Technical field

The utility model relates to the field of vehicles, in particular to a self-adaptive heating device for a rearview mirror.

Background technique

The existing rearview mirror adaptive heating function can only be provided when the vehicle leaves the factory, or for models with OTA functions, the manufacturer will later optimize the control algorithm to perform background upgrades and update the software package.

However, most tram systems do not have the OTA function or the factory does not have the adaptive heating function. Some trams may lack key sensor data and cannot achieve adaptive heating. In rain, fog and other weather, the rearview mirror is blurred and difficult to drive. It is inconvenient to wipe during the process, which affects driving safety and needs to be improved.

Utility model content

The purpose of this utility model is to provide an adaptive heating device for rearview mirrors to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

An adaptive heating device for rearview mirrors, including:

The vehicle power supply unit is used to connect to the vehicle power supply and supply the microcontroller unit, sensor unit, and microfluidic output unit;

The sensor unit is used to detect information about the environment and rearview mirror, convert it into electrical signals and output them to the microcontroller unit;

The microcontroller unit is used to receive the input information of the sensor unit and select whether to drive the microfluidic output unit to work according to the size of the input electrical signal;

A microfluidic output unit is used to heat the rearview mirror during operation;

The vehicle power supply unit is connected to the sensor unit, the microcontroller unit, and the microfluidic output unit. The sensor unit is connected to the microcontroller unit, and the microcontroller unit is connected to the microfluidic output unit.

As a further solution of the present invention: the vehicle power supply unit outputs 12V voltage.

As a further solution of the utility model: the sensor unit includes:

The ambient temperature sensor is used to detect the ambient temperature, convert it into an electrical signal and output it to the microcontroller unit;

Mirror temperature sensor, used to detect the temperature of the rearview mirror, convert it into an electrical signal and output it to the microcontroller unit;

Humidity sensor, used to detect environmental humidity, convert it into an electrical signal and output it to the microcontroller unit;

The ambient temperature sensor, mirror temperature sensor, and humidity sensor are connected in parallel.

As a further solution of the present invention: the ambient temperature sensor, the mirror temperature sensor, and the humidity sensor are connected to different I/O ports of the microcontroller unit.

As a further solution of the utility model: the microfluidic output unit is connected to the heating wire in the rearview mirror.

Compared with the existing technology, the beneficial effects of this utility model are: this utility model is applied to vehicles that cannot heat rearview mirrors. To heat rearview mirrors of different models, only the rearview mirror size unit and the circuit control unit need to be replaced. No changes are required; it does not rely on the entire machine manufacturer's software, and does not require changes to the vehicle's host software; it does not require changes to the vehicle's circuitry; it does not require the addition of separate physical buttons, and has no impact on the driver's operating habits.

Description of drawings

FIG. 1 is a schematic diagram of a rearview mirror adaptive heating device.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. For example, based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Please refer to FIG1 , a rearview mirror adaptive heating device includes:

The vehicle power supply unit is used to connect to the vehicle power supply and supply the microcontroller unit, sensor unit, and microfluidic output unit;

The sensor unit is used to detect information about the environment and rearview mirror, convert it into electrical signals and output them to the microcontroller unit;

A microcontroller unit is used to receive input information from the sensor unit and select whether to drive the microfluidic output unit to work according to the size of the input electrical signal;

The microfluidic output unit is used to heat the rearview mirror during operation;

The vehicle-mounted power supply unit is connected to the sensor unit, the microcontroller unit and the microfluidic output unit, the sensor unit is connected to the microcontroller unit, and the microcontroller unit is connected to the microfluidic output unit.

In this embodiment: please refer to Figure 1, the vehicle power supply unit outputs 12V voltage.

This design device itself does not contain a power supply part. It needs to be connected to the power supply from the original rearview mirror unit, usually 12V, as the control circuit power supply of the entire device.

In this embodiment: please refer to FIG. 1 , the sensor unit includes:

The ambient temperature sensor is used to detect the ambient temperature, convert it into an electrical signal and output it to the microcontroller unit;

The mirror temperature sensor is used to detect the temperature of the rearview mirror and convert it into an electrical signal and output it to the microcontroller unit;

Humidity sensor, used to detect the ambient humidity and convert it into an electrical signal and output it to the microcontroller unit;

The ambient temperature sensor, mirror temperature sensor, and humidity sensor are connected in parallel.

When the mirror surface temperature is more than 5 degrees lower than the ambient temperature, the microcontroller drives the microfluidic output unit to start heating the left and right rearview mirrors;

When the outside humidity reaches 70%, it is considered as rainy weather, and the microcontroller drives the microfluidic output unit to start heating the left and right rearview mirrors;

When the mirror surface temperature is approximately equal to the ambient temperature, after 15 minutes of heating, the microcontroller stops driving the microfluidic output unit and stops heating;

After the vehicle power is turned off, the microcontroller turns off the microflow output control and automatically stops heating.

In this embodiment: please refer to Figure 1. The ambient temperature sensor, mirror temperature sensor, and humidity sensor are connected to different I/O ports of the microcontroller unit.

The microcontroller receives electrical signals from the ambient temperature sensor, mirror temperature sensor, and humidity sensor through the I/O port.

In this embodiment: please refer to Figure 1, the microfluidic output unit is connected to the heating wire in the rearview mirror.

The rearview mirror size of different models needs to be adjusted. The rearview mirrors of different models need to contain heating wires. Those without heating wires can be replaced with rearview mirrors that contain heating wires.

The working principle of the utility model is: the vehicle power supply unit is used to access the vehicle power supply and supply the microcontroller unit, sensor unit, and microfluidic output unit; the sensor unit is used to detect information about the environment and rearview mirror, and convert it into electrical signal output To the microcontroller unit; the microcontroller unit is used to receive input information from the sensor unit, and select whether to drive the microfluidic output unit to work according to the size of the input electrical signal; the microfluidic output unit is used to heat the rearview mirror when working.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description, and it is therefore intended that all claims falling within the rights All changes within the meaning and scope of the required equivalent elements are included in the present invention. Any reference signs in the claims shall not be construed as limiting the claim in question.

In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims (5)

1. A self-adaptive heating device for a rearview mirror is characterized in that:

the self-adaptive heating device for the rearview mirror comprises:

the vehicle-mounted power supply unit is used for accessing a vehicle-mounted power supply and supplying the vehicle-mounted power supply to the microcontroller unit, the sensor unit and the micro-flow output unit;

the sensor unit is used for detecting information of the environment and the rearview mirror, converting the information into an electric signal and outputting the electric signal to the microcontroller unit;

the micro controller unit is used for receiving the input information of the sensor unit and selecting whether to drive the micro flow output unit to work according to the magnitude of the input electric signal;

the micro-flow output unit is used for heating the rearview mirror when in operation;

the vehicle-mounted power supply unit is connected with the sensor unit, the microcontroller unit and the micro-flow output unit, the sensor unit is connected with the microcontroller unit, and the microcontroller unit is connected with the micro-flow output unit.

2. The self-adaptive heating device for a rear view mirror according to claim 1, wherein the vehicle power supply unit outputs 12V voltage.

3. A rear view mirror adaptive heating device according to claim 1, characterized in that the sensor unit comprises:

the environment temperature sensor is used for detecting the environment temperature, converting the environment temperature into an electric signal and outputting the electric signal to the microcontroller unit;

the mirror surface temperature sensor is used for detecting the temperature of the rearview mirror, converting the temperature into an electric signal and outputting the electric signal to the microcontroller unit;

the humidity sensor is used for detecting the ambient humidity, converting the ambient humidity into an electric signal and outputting the electric signal to the microcontroller unit;

the environment temperature sensor, the mirror temperature sensor and the humidity sensor are connected in parallel.

4. A rearview mirror adaptive heating as claimed in claim 3, characterised in that the ambient temperature sensor, the mirror temperature sensor, the humidity sensor are connected to different I/O ports of the micro-controller unit.

5. The self-adaptive heating device for a rear view mirror according to claim 1, wherein the micro-fluid output unit is connected to a heating wire in the rear view mirror.