Anti-dazzle system for controlling linkage of inner mirror by outer mirror

Abstract

The utility model relates to the technical field of automobile parts, and provides an anti-dazzle system with an outer mirror controlling an inner mirror to be linked, the anti-dazzle system comprises a power supply module, an outer mirror control module, a light sensing module, an outer mirror lens module and an inner mirror lens module, and the power supply module is electrically connected with the outer mirror control module; the light sensing module is arranged on the outer mirror lens module and connected to the outer mirror control module, and the light sensing module is used for collecting ambient light or glare; and the outer mirror control module receives the value sent by the light sensing module, judges ambient light or glare, outputs an anti-dazzle grade, and outputs a signal to control the outer mirror lens module and the inner mirror lens module to start an anti-dazzle function. On the basis, the anti-dazzle function of the outer mirror and the inner mirror can be more accurately started, and the driving safety is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of automobile accessories, in particular to an anti-dazzle system with outer mirror controlling inner mirror linkage. BACKGROUND

[0002] At present, most vehicle-mounted outer rearview mirrors are not equipped with active anti-dazzle functions, and rely on linkage control of the main machine and the inner rearview mirror on the vehicle, so that the real-time performance of anti-dazzle is poor and cannot adapt to rapid light changes in complex environments. In addition, the light is easily blocked by the interior trim cover, the rear glass peep film and the flip screen and other configurations, causing the phenomenon of false anti-dazzle, at the same time, the increase of the infrared signal and the light equipment in the vehicle also interferes with the light judgment of the outer rearview mirror, causing abnormal anti-dazzle. These problems seriously affect the clear observation of the driver on the road conditions behind, and reduce the driving safety and the driving experience.

[0003] Therefore, the application studies an anti-dazzle system with outer mirror controlling inner mirror linkage, so that the outer mirror can more accurately obtain light, and the anti-dazzle functions of the outer mirror and the inner mirror can be more accurately started, and the driving safety is improved. CONTENT OF THE UTILITY MODEL

[0004] In order to more accurately start the anti-dazzle functions of the outer mirror and the inner mirror and improve the driving safety, the application provides an anti-dazzle system with outer mirror controlling inner mirror linkage.

[0005] The application provides an anti-dazzle system with outer mirror controlling inner mirror linkage, which adopts the following technical scheme:

[0006] An anti-dazzle system with outer mirror controlling inner mirror linkage comprises a power module, an outer mirror control module, a light sensing module, an outer mirror lens module and an inner mirror lens module, the power module is electrically connected with the outer mirror control module; the light sensing module is arranged on the outer mirror lens module and connected with the outer mirror control module, and the light sensing module is used for collecting ambient light or glare; the outer mirror control module receives the value sent by the light sensing module and judges the ambient light or the glare, outputs an anti-dazzle level, and outputs a signal to control the outer mirror lens module and the inner mirror lens module to start the anti-dazzle function.

[0007] By adopting the above technical scheme, the light sensing module is arranged on the outer mirror lens module, can better obtain light, can collect ambient light and glare in real time, can better judge ambient light and glare, can continuously collect and take average values as ambient light light sensing values, can judge glare when there is a numerical mutation and the numerical mutation lasts for a period of time, and can send the collected light sensing values to the outer mirror MCU. The outer mirror MCU processes and judges the received light sensing values, outputs a corresponding anti-dazzle level, realizes rapid response to glare, controls the outer mirror lens and the inner mirror lens to link and anti-dazzle through the outer mirror control module, and improves the driving safety.

[0008] Optionally, the light sensing module comprises a light environment sensor and a glare sensor, the light environment sensor is used to acquire ambient light, and the glare sensor is used to acquire glare.

[0009] Optionally, the outer mirror control module comprises an outer mirror MCU and an outer mirror mainboard, the outer mirror MCU receives the value sent by the light sensing module and judges ambient light or glare, and outputs an anti-glare level, and the outer mirror mainboard outputs a voltage according to the signal of the outer mirror MCU and controls the outer mirror lens module and the inner mirror lens module to start the anti-glare function.

[0010] Optionally, the outer mirror control module, the outer mirror lens module and the inner mirror lens module are connected through LIN bus.

[0011] By adopting the above technical scheme, communication can be realized through LIN signal.

[0012] Optionally, the outer mirror control module, the outer mirror lens module and the inner mirror lens module are connected through a voltage conversion circuit.

[0013] By adopting the above technical scheme, the voltage conversion circuit can convert the control signal output by the outer mirror control module into a voltage signal suitable for the control of the outer mirror lens module and the inner mirror lens module.

[0014] Optionally, the power module comprises a power supply and a plurality of LDO power supplies with different voltages, the power supply and the LDO power supplies are electrically connected in sequence, the voltages of the different LDO power supplies gradually decrease, and the LDO power supplies are electrically connected to the control module.

[0015] By adopting the above technical scheme, the LDO power supply can convert the input unstable or higher voltage power supply into a stable low voltage output, and through multi-stage voltage reduction, the temperature of the switch tube can be reduced, so that the system is more stable.

[0016] Optionally, it further comprises a power protection module for protecting the power module.

[0017] Optionally, it further comprises an EMC protection module for protecting the internal circuit from the influence of external electromagnetic environment.

[0018] In summary, the present application has the following beneficial technical effects:

[0019] 1. The light sensing module is arranged on the outer mirror lens module, which can better acquire light, can collect ambient light and glare in real time, can better judge ambient light and glare, can continuously collect and average the ambient light light sensing value, can judge glare when there is a sudden change in the value and the change lasts for a period of time, and can send the collected light sensing value to the outer mirror MCU. The outer mirror MCU processes and judges the received light sensing value, outputs the corresponding anti-glare level, realizes rapid response to glare, and controls the outer mirror lens and the inner mirror lens linkage anti-glare through the outer mirror control module to improve driving safety.

[0020] 2. The LDO power supply can convert an unstable or higher voltage input power supply into a stable low voltage output. Through multi-stage voltage reduction, the temperature of the switch tube can be reduced, and the system is more stable. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other embodiments can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0022] In the drawings:

[0023] Figure 1 is a system diagram of the anti-glare system of the outer mirror control inner mirror linkage according to the embodiments of the present application. DETAILED DESCRIPTION

[0024] The following will be described in conjunction with the drawings Figure 1 The present application will be further described in detail.

[0025] The embodiments of the present application disclose an anti-glare system of outer mirror control inner mirror linkage. Referring to Figure 1 , the anti-glare system of outer mirror control inner mirror linkage includes a power supply module, an outer mirror control module, a light sensing module, an outer mirror lens module and an inner mirror lens module. The power supply module is electrically connected with the outer mirror control module for power supply. The light sensing module is arranged on the outer mirror lens module and connected to the outer mirror control module. The light sensing module is used to collect ambient light or glare, so that it can better collect light with better line of sight, and judge ambient light or glare, so as to better avoid the interference of other light and objects, improve the judgment accuracy, and thus improve the driving safety.

[0026] The light sensing module continuously collects average values as ambient light light sensing values, and values with sudden changes and lasting for a period of time are determined as glare. The outer mirror control module receives the values sent by the light sensing module and determines ambient light or glare, outputs an anti-glare level, and outputs a signal to control the outer mirror lens module and the inner mirror lens module to start the anti-glare function, so that the outer mirror control module can control the outer mirror lens module and the inner mirror lens module at the same time, realize linkage between the two, and better avoid misjudgment of the inner mirror lens module and better ensure driving safety.

[0027] In some embodiments, the outer mirror control module includes an outer mirror MCU and an outer mirror mainboard. The outer mirror MCU receives the values sent by the light sensing module and determines ambient light or glare, and outputs an anti-glare level. The outer mirror mainboard outputs a voltage according to the signal of the outer mirror MCU and controls the outer mirror lens module and the inner mirror lens module to start the anti-glare function.

[0028] In some embodiments, the light sensing module can further include a light environment sensor and a glare sensor. The light environment sensor is used to obtain ambient light, and the glare sensor is used to obtain glare.

[0029] In some embodiments, the outer mirror control module, the outer mirror lens module, and the inner mirror lens module are connected by LIN bus. In this embodiment, the outer mirror mainboard receives the control signal of the outer mirror MCU and forwards it through the LIN bus. The outer mirror lens module and the inner mirror lens module both have LIN bus interfaces for receiving the control signal of the outer mirror mainboard, so as to perform corresponding anti-glare actions.

[0030] In some embodiments, the outer mirror control module, the outer mirror lens module, and the inner mirror lens module are connected by voltage conversion circuit. In this embodiment, the outer mirror mainboard is electrically connected to the outer mirror lens module and the inner mirror lens module through the voltage conversion circuit, converts the control signal generated by the outer mirror mainboard into a voltage level suitable for the operation of the outer mirror lens module and the inner mirror lens module, and outputs a voltage signal, so as to control the outer mirror lens module and the inner mirror lens module to perform corresponding anti-glare actions.

[0031] In some embodiments, the power module includes a power supply and a plurality of LDO power supplies with different voltages. The power supply and the LDO power supplies are electrically connected in sequence, and the voltages of the different LDO power supplies gradually decrease. The LDO power supplies are electrically connected to the control module. In this embodiment, the power supply is 12V, two LDO power supplies are provided, and the output voltages are 8V and 5V respectively. The LDO power supply with an output voltage of 8V is connected to the power supply and the LDO power supply with an output voltage of 5V. The LDO power supply with an output voltage of 5V is further electrically connected to the control module, so that the temperature is reduced through multi-stage voltage reduction, and the system is more stable.

[0032] In some embodiments, the anti-glare system of the outer mirror controlling the linkage of the inner mirror further comprises a power protection module for protecting the power module. Specifically, the power protection module can be an overcurrent protection device, when the current exceeds the set safety threshold, the fuse will automatically disconnect the circuit to prevent damage caused by overload. It can also be an overvoltage / undervoltage protection device, the circuit design contains a zener diode / TVS tube. It can also be a short-circuit protection device, the circuit design contains a self-resetting fuse. So as to ensure the safe use of the power module and the circuit, and improve the reliability of the system.

[0033] In some embodiments, the anti-glare system of the outer mirror controlling the linkage of the inner mirror further comprises an EMC protection module for protecting the internal circuit from external electromagnetic environment. Specifically, the use of a common-mode choke and an X capacitor to form a π-type filter on the power line can significantly reduce the entry of high-frequency noise into the system, thereby protecting the circuit from external electromagnetic environment.

[0034] The implementation principle of the anti-glare system of the outer mirror controlling the linkage of the inner mirror according to the embodiments of the present application is that the light sensing module is arranged on the outer mirror lens module, which can better acquire light, can collect ambient light and glare in real time, can better judge ambient light and glare, can continuously collect and average the values as ambient light, can judge glare when there is a sudden change in the value and the change lasts for a period of time, and can send the collected light sensing values to the outer mirror MCU. The outer mirror MCU processes and judges the received light sensing values, outputs the corresponding anti-glare level, realizes rapid response to glare, and controls the linkage of the outer mirror lens and the inner mirror lens through the outer mirror control module to improve driving safety.

[0035] The above is an exemplary embodiment disclosed by the present application, but it should be noted that various changes and modifications can be made without departing from the scope of the embodiments disclosed by the present application defined in the claims. The functions, steps and / or acts of the method claims described herein need not be performed in any particular order. Furthermore, although the elements of the embodiments disclosed by the present application can be described or claimed in individual form, they can also be understood as plural unless explicitly limited to a single.

[0036] It should be understood that, as used herein, the singular forms "a", "an" and "the" are intended to include plural forms unless the context clearly dictates otherwise. It should also be understood that "and / or" as used herein refers to any and all possible combinations of one or more of the associated listed items. The above-mentioned embodiment numbers of the embodiments disclosed by the present application are only for description, and do not represent the advantages or disadvantages of the embodiments.

[0037] Those skilled in the art should understand that the above discussion of any embodiment is only exemplary, and is not intended to mean that the scope of the embodiments disclosed by the present application (including claims) is limited to these examples; under the idea of the embodiments of the present application, the above embodiments or technical features in different embodiments can also be combined, and there are many other changes of different aspects of the embodiments of the present application as above. In order to be brief, they are not provided in details. Therefore, any omission, modification, equivalent replacement, improvement, etc. made in the spirit and principle of the embodiments of the present application shall be included in the protection scope of the embodiments of the present application.

Claims

1. An anti-glare system for interlocking external endoscope control with internal endoscope control, characterized in that: The application relates to an anti-dazzling lens control system, which comprises a power module, an outer lens control module, a light sensing module, an outer lens module and an inner lens module, wherein the power module is electrically connected with the outer lens control module; the light sensing module is arranged on the outer lens module and connected with the outer lens control module, and is used for collecting ambient light or dazzling light; the outer lens control module receives the value sent by the light sensing module and judges the ambient light or dazzling light, outputs an anti-dazzling level, and outputs a signal to control the outer lens module and the inner lens module to start the anti-dazzling function.

2. The anti-glare system of claim 1, wherein: The light sensing module comprises a light environment sensor and a dazzling light sensor, the light environment sensor is used for acquiring ambient light, and the dazzling light sensor is used for acquiring dazzling light.

3. The anti-glare system of claim 1, wherein: The outer lens control module comprises an outer lens MCU and an outer lens mainboard, the outer lens MCU receives the value sent by the light sensing module and judges the ambient light or dazzling light, outputs an anti-dazzling level, and the outer lens mainboard outputs a voltage according to the signal output by the outer lens MCU and controls the outer lens module and the inner lens module to start the anti-dazzling function.

4. The anti-glare system of claim 1 or 3, wherein: The outer lens control module, the outer lens module and the inner lens module are connected through LIN buses.

5. The anti-glare system of claim 1 or 3, wherein: The outer lens control module, the outer lens module and the inner lens module are connected through voltage conversion circuits.

6. The anti-glare system of claim 1, wherein: The power module comprises a power supply and a plurality of LDO power supplies with different voltages, the power supply and the LDO power supplies are sequentially electrically connected, the voltages of the different LDO power supplies gradually decrease, and the LDO power supplies are electrically connected with the control module.

7. The anti-glare system of claim 1, wherein: The application further comprises a power protection module, which is used for protecting the power module.

8. The anti-glare system of claim 1, wherein: The application further comprises an EMC protection module, which is used for protecting the internal circuit from the external electromagnetic environment.

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