High beam control system, high beam control method and vehicle
By detecting the number of power-ons and adjusting the brightness in the high beam control system, distinguishing between normal high beam and flash high beam, the safety hazards caused by insufficient brightness of high beams in the existing technology are solved, and driving safety and warning effects are improved.
Patent Information
- Application Number
- CN202311632349.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-11-30
- Publication Date
- 2025-05-30
AI Technical Summary
Although the brightness of existing vehicles is sufficient for lighting when using high beams, the brightness is insufficient when flashing high beam warning, resulting in safety hazards and the overall safety situation has not been improved.
By introducing a control module into the high-beam control system, the power supply module detects the number of power-on power-on times the power-on module is powered on by the power supply module in a unit time, and compared with the preset power-on times, adjusts the brightness of the high-beam light source module according to the relationship, distinguishes between normal high-beam and flash high-beam conditions, and adjusts the brightness independently.
It reduces the dazzling risk of opposing vehicle drivers during normal high beams, improves the warning effect when flashing high beams, enhances driving safety, and saves costs and does not consume light sources.
Smart Images

Figure CN120076111A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to headlight control, and particularly to a high beam control system, a high beam control method and a vehicle. Background Art
[0002] During the driving process of a vehicle, high beam needs to be turned on when there is no street lamp illumination, the road conditions are unclear, on the highway, or when it is necessary to see road signs clearly. When it is necessary to overtake, pass through an intersection without traffic lights, or encounter a vehicle with high beam on at night while driving at night, it is necessary to flash the high beam for warning. When the existing vehicle performs high beam illumination, the brightness is achieved, but when warning by flashing the high beam, the brightness of the normal high beam does not achieve a good warning effect, causing potential safety hazards. To solve the above problems, in the prior art, the illumination brightness of the high beam lamp is increased as a whole to achieve the warning effect. However, during a large-scale after-sales investigation, we unexpectedly found that although the method of increasing the illumination brightness of the high beam lamp as a whole achieves a good warning effect, its safety situation has not been improved. And this problem has not been considered by technicians all the time. Summary of the Invention
[0003] One of the purposes of the present invention is to provide a high beam control system, which can reduce potential safety hazards during driving, improve driving safety, and can save costs without consuming the service life of the light source.
[0004] Another purpose of the present invention is to provide a high beam control method, which can reduce potential safety hazards during driving, improve driving safety, and can save costs without consuming the service life of the light source.
[0005] Another purpose of the present invention is to provide a vehicle, which can reduce potential safety hazards during driving, improve driving safety, and can save costs without consuming the service life of the light source.
[0006] To achieve the above purposes, in the first aspect of the present invention, a high beam control system is provided, including a control module, a power supply module, a high beam light source module and a dimming module;
[0007] The power supply module is connected to the high beam light source module to be able to supply power to the high beam light source module;
[0008] The control module is connected between the power supply module and the high beam light source module, and is used for: determining a preset power-on times n of the power supply module to the high beam light source module within a unit time t 0 , and being able to detect the power-on times n of the power supply module to the high beam light source module within the unit time t, and then according to the power-on times n and the preset power-on times n 0Adjust the brightness of the light emitted by the high beam light source module according to the relationship.
[0009] Preferably, the method of adjusting the brightness of the light emitted by the high beam light source module according to the number of power - on times n and the preset number of power - on times n 0 is as follows: when the number of power - on times n is greater than or equal to the preset number of power - on times n 0 , increase the brightness of the light emitted by the high beam light source module; when the number of power - on times n is less than the preset number of power - on times n 0 , decrease the brightness of the light emitted by the high beam light source module.
[0010] More preferably, the method of adjusting the brightness of the light emitted by the high beam light source module includes adjusting the input current of the high beam light source module and / or adjusting the input duty cycle of the high beam light source module.
[0011] Preferably, the control module is connected between the power supply module and the high beam light source module so that the current input to the high beam light source module is a first preset current I 1 or a second preset current I 2 , and the first preset current I 1 is greater than the second preset current I 2 ;
[0012] The method of adjusting the brightness of the light emitted by the high beam light source module according to the relationship between the number of power - on times n and the preset number of power - on times n 0 is as follows: when the number of power - on times n is greater than or equal to the preset number of power - on times n 0 , make the current input to the high beam light source module be the first preset current I 1 ; when the number of power - on times n is less than the preset number of power - on times n 0 , make the current input to the high beam light source module be the second preset current I 2 .
[0013] More preferably, it further includes a dimming module. The dimming module is connected between the control module and the high beam light source module so that the duty cycle of the current passing through the dimming module is a first preset duty cycle Dr 1 or a second preset duty cycle Dr 2 , and the first preset duty cycle Dr 1 is greater than the second preset duty cycle Dr 2 ;
[0014] The method of adjusting the brightness of the light emitted by the high beam light source module according to the relationship between the number of power - on times n and the preset number of power - on times n 0 is as follows: when the number of power - on times n is greater than or equal to the preset number of power - on times n0 When the number of power - on times \(n\) is greater than or equal to the preset number of power - on times \(n_0\), the duty cycle of the current input to the dimming module is set to the first preset duty cycle \(Dr_1\). 1 When the number of power - on times \(n\) is less than the preset number of power - on times \(n_0\), 0 the duty cycle of the current input to the dimming module is set to the second preset duty cycle \(Dr_2\). 2 .
[0015] More preferably, the dimming module includes a dimming unit and a dimming control unit;
[0016] The dimming unit is connected between the control module and the dimming control unit, so as to receive and execute the duty - cycle information of the current input to the dimming control unit sent by the control module through the dimming unit, and then convert the duty - cycle information into an input current signal and execute it through the dimming control unit.
[0017] Preferably, a voltage - stabilizing module is further connected to the output end of the power - supply module.
[0018] A high - beam control method provided by the second aspect of the present invention includes: determining the preset number of power - on times \(n_0\) of the high - beam light - source module within a unit time \(t\), 0 detecting the number of power - on times \(n\) of the high - beam light - source module within the unit time \(t\), and adjusting the brightness of the light emitted by the high - beam light - source module according to the relationship between the number of power - on times \(n\) and the preset number of power - on times \(n_0\). 0 .
[0019] Preferably, the method for adjusting the brightness of the light emitted by the high - beam light - source module according to the relationship between the number of power - on times \(n\) and the preset number of power - on times \(n_0\) is: when the number of power - on times \(n\) is greater than or equal to the preset number of power - on times \(n_0\), 0 increase the brightness of the light emitted by the high - beam light - source module; when the number of power - on times \(n\) is less than the preset number of power - on times \(n_0\), 0 decrease the brightness of the light emitted by the high - beam light - source module. 0 .
[0020] Preferably, the method for adjusting the brightness of the light emitted by the high - beam light - source module according to the relationship between the number of power - on times \(n\) and the preset number of power - on times \(n_0\) is: when the number of power - on times \(n\) is greater than or equal to the preset number of power - on times \(n_0\), 0 control the current input to the high - beam light - source module to be the first preset current \(I_1\); 0 when the number of power - on times \(n\) is less than the preset number of power - on times \(n_0\), 1 control the current input to the high - beam light - source module to be the second preset current \(I_2\), 0 wherein the first preset current \(I_1\) is greater than the second preset current \(I_2\). 2 . 1 . 2 .
[0021] Further preferably, it further includes a dimming module connected to the high beam light source module, and the method for adjusting the brightness of the light emitted by the high beam light source module according to the power-on times n and the preset power-on times n 0 is as follows: when the power-on times n is greater than or equal to the preset power-on times n 0 , the duty ratio of the current input to the dimming module is a first preset duty ratio Dr 1 ; when the power-on times n is less than the preset power-on times n 0 , the duty ratio of the current input to the dimming module is a second preset duty ratio Dr 2 , and the first preset duty ratio Dr 1 is greater than the second preset duty ratio Dr 2 .
[0022] More preferably, the dimming module includes a dimming unit and a dimming control unit;
[0023] The method for adjusting the brightness of the light emitted by the high beam light source module according to the power-on times n and the preset power-on times n 0 is as follows: when the power-on times n is greater than or equal to the preset power-on times n 0 , the duty ratio of the current input to the dimming module is a first preset duty ratio Dr 1 , and the first preset duty ratio Dr 1 is converted into a first preset current I 1 by the dimming control unit, and then the current input to the high beam light source module is controlled to be the first preset current I 1 ; when the power-on times n is less than the preset power-on times n 0 , the duty ratio of the current input to the dimming module is a second preset duty ratio Dr 2 , and the second preset duty ratio Dr 2 is converted into a second preset current I 2 by the dimming control unit, and then the current input to the high beam light source module is controlled to be the second preset current I 1 .
[0024] The third aspect of the present invention provides a vehicle, which includes the high beam control system described in the above technical solution and / or executes the high beam control method described in the above technical solution.
[0025] In view of the above problems, after research and analysis by multiple inventors, it is considered that the reasons for the above problems may be as follows: After increasing the brightness of the high beam, although a good warning effect can be achieved when flashing the high beam, when in the normal high beam situation, the excessive brightness of the light may cause dazzling to the driver of the oncoming vehicle, thereby increasing the potential accident hazards and resulting in no improvement in the overall safety situation. In view of this, the present invention is proposed.
[0026] Through the above technical solution, the high beam control system provided by the present invention detects the number of power - on times n of the high beam light source module by the power supply module within the unit time t, and compares it with the preset number of power - on times n of the high beam light source module by the power supply module within the unit time t determined. 0 According to the relationship between the two, the brightness of the light emitted by the high beam light source module is adjusted. It can determine whether it is in the normal high beam and flashing high beam situations according to the relationship between the power - on times n and the preset number of power - on times n, and then independently adjust the brightness of the high beam according to these two situations, so as to reduce the possibility of dazzling the driver of the oncoming vehicle when in the normal high beam, and at the same time improve the warning effect when flashing the high beam. 0
[0027] Other advantages of the present invention and the technical effects of the preferred embodiments will be further described in the following specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] The drawings are used to provide a further understanding of the embodiments of the present invention, and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the embodiments of the present invention, but do not constitute a limitation to the embodiments of the present invention. In the drawings:
[0029] Figure 1 is a schematic diagram of the high beam control system described in a specific embodiment.
[0030] DESCRIPTION OF THE REFERENCE NUMERALS
[0031] 1 Control module; 2 High beam light source module; 3.1 Dimming unit; 3.2 Dimming control unit; 4 Voltage stabilizing module. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0032] The following will describe in detail the specific embodiments of the present invention with reference to the drawings. It should be understood that the specific embodiments described herein are only for explaining and understanding the present invention, and the protection scope of the present invention is not limited to the following specific embodiments.
[0033] In the description of the present invention, it should also be noted that unless otherwise clearly specified and defined, the terms "installation" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0034] In order to improve the warning effect of the high beam flash, in the prior art, the warning effect is usually improved by overall increasing the illumination brightness of the high beam lamp to achieve a better warning effect. However, the inventors of the present invention unexpectedly found during a large-scale regular after-sales investigation that although the warning effect can be achieved by increasing the illumination brightness of the high beam lamp, the overall safety situation of the vehicle has not been improved. This has not been considered by those skilled in the art.
[0035] In view of the above problems, after research and analysis by multiple inventors, they think the possible reasons are as follows: After increasing the brightness of the high beam, although a good warning effect can be achieved when flashing the high beam, when in the normal high beam situation, it may increase the possibility of dazzling the driver of the oncoming vehicle due to the excessive brightness of the light, thus increasing the accident hidden danger and resulting in the overall safety situation not being improved. In view of this, the present invention is proposed.
[0036] As a basic implementation manner of the present invention, a high beam control system is provided, as Figure 1 shown, including a control module 1, a power supply module, a high beam light source module 2, and a dimming module; the power supply module is connected to the high beam light source module 2 to be able to supply power to the high beam light source module 2; the control module 1 is connected between the power supply module and the high beam light source module 2 and is used for: determining the preset power-on times n of the power supply module to the high beam light source module 2 within a unit time t 0 , and being able to detect the power-on times n of the power supply module to the high beam light source module 2 within the unit time t, and then adjusting the brightness of the light emitted by the high beam light source module 2 according to the relationship between the power-on times n and the preset power-on times n 0 .
[0037] According to the present invention, the preset power-on times n of the power supply module to the high beam light source module 2 within the unit time t 0It can be determined according to the actual situation of the user. The unit time t can be 500 ms, 1 s, 2 s, 3 s, 4 s, 5 s, or any value between these values. The preset power-on times can be 2 times, 5 times, 10 times, 15 times, 20 times, 25 times, etc. In a specific embodiment of the present invention, the unit time t is 1 s, and the preset power-on times is 5 times. In this limited case, it can not only reduce the possibility of misunderstanding the normal high beam and the flashing high beam indication due to accidental touch, but also improve the detection accuracy of the flashing high beam, and it is easier to determine whether this behavior is a flashing high beam behavior.
[0038] The control module 1 includes a processor and a memory. The above-mentioned detection of the power-on situation, counting the power-on times, and determining the preset power-on times, etc. are all stored in the memory as program units, and the processor executes the above program units stored in the memory to implement the corresponding functions.
[0039] The processor contains a kernel, and the kernel retrieves the corresponding program units from the memory. One or more kernels can be set, and by adjusting the kernel parameters, it is determined whether to adjust the output brightness of the input high beam light source module 2 according to the relationship between the power-on times and the preset power-on times.
[0040] The memory may include non-permanent memory in a computer-readable medium, in the form of random access memory (RAM) and / or non-volatile memory, such as read-only memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
[0041] When the high beam control system provided by the above basic embodiment of the present invention works, the control module 1 can determine the preset power-on times n of the power supply module for the high beam light source module 2 within the unit time t 0 , and by connecting between the power supply module and the high beam light source module 2, when the power supply module supplies power to the high beam light source module 2, the control module 1 will record and summarize it, so as to achieve the purpose of detecting the actual power-on times n of the power supply module for the high beam light source module 2 within the unit time t. Then, the control module 1 adjusts the brightness of the light emitted by the high beam module according to the relationship between the power-on times n and the preset power-on times n 0 .
[0042] The high beam control system provided by the above basic embodiment of the present invention, by detecting the power-on times n of the power supply module for the high beam light source module 2 within the unit time t, and comparing it with the determined preset power-on times n of the power supply module for the high beam light source module 2 within the unit time t 0 , and adjusting the brightness of the light emitted by the high beam light source module 2 according to the relationship between the two, can adjust the brightness of the light emitted by the high beam light source module 2 according to the relationship between the power-on times n and the preset power-on times n 0Determine whether it is in the normal high beam and flashing high beam situations based on the relationship, and then independently adjust the brightness of the high beam according to these two situations, so as to reduce the possibility of dazzling the driver of oncoming vehicles during normal high beam, and at the same time improve the warning effect during flashing high beam. Moreover, determining the normal high beam and flashing high beam in the above manner can improve the control accuracy of the high beam control system.
[0043] As a specific embodiment of the present invention, according to the number of power - on times n and the preset number of power - on times n 0 The method for adjusting the brightness of the light emitted by the high - beam light source module 2 based on the relationship is as follows: when the number of power - on times n is greater than or equal to the preset number of power - on times n 0 , increase the brightness of the light emitted by the high - beam light source module 2; when the number of power - on times n is less than the preset number of power - on times n 0 , decrease the brightness of the light emitted by the high - beam light source module 2. By this method, it can be accurately determined whether the high beam is a normal high beam or a flashing high beam, thereby improving the control accuracy of the high beam control system.
[0044] The method for adjusting the brightness of the light emitted by the high - beam light source module 2 can adopt any feasible method. In a specific embodiment of the present invention, the method for adjusting the brightness of the light emitted by the high - beam light source module 2 includes adjusting the input current of the high - beam light source module 2 and / or adjusting the input duty cycle of the high - beam light source module 2. By adopting the above method, the controllability of the brightness of the light emitted by the high - beam light source module 2 is higher.
[0045] As another specific embodiment of the present invention, the control module 1 is connected between the power supply module and the high - beam light source module 2, so that the current input to the high - beam light source module 2 is the first preset current I 1 or the second preset current I 2 , the first preset current I 1 is greater than the second preset current I 2 ; according to the number of power - on times n and the preset number of power - on times n 0 The method for adjusting the brightness of the light emitted by the high - beam light source module 2 based on the relationship is as follows: when the number of power - on times n is greater than or equal to the preset number of power - on times n 0 , make the current input to the high - beam light source module 2 be the first preset current I 1 ; when the number of power - on times n is less than the preset number of power - on times n 0 , make the current input to the high - beam light source module 2 be the second preset current I 2 . By adopting this method, it can accurately determine whether the high beam is a normal high beam or a flashing high beam and at the same time can accurately control the brightness of the light emitted by the high - beam light source module 2.
[0046] According to the present invention, the first preset current I 1 and the second preset current I 2The value can be determined according to the actual situation. The second preset current I 2 can be 60 - 80% of the first preset current I 1 .
[0047] In a specific embodiment of the present invention, a dimming module is further included. The dimming module is connected between the control module 1 and the high beam light source module 2, so that the duty cycle of the current passing through the dimming module is the first preset duty cycle Dr 1 or the second preset duty cycle Dr 2 , and the first preset duty cycle Dr 1 is greater than the second preset duty cycle Dr 2 ; The method of adjusting the brightness of the light emitted by the high beam light source module 2 according to the relationship between the power-on times n and the preset power-on times n 0 is as follows: when the power-on times n is greater than or equal to the preset power-on times n 0 , the duty cycle of the current input to the dimming module is the first preset duty cycle Dr 1 ; when the power-on times n is less than the preset power-on times n 0 , the duty cycle of the current input to the dimming module is the second preset duty cycle Dr 2 . By adopting this method, it is possible to accurately determine whether the high beam is a normal high beam or a flashing high beam and at the same time accurately control the brightness of the light emitted by the high beam light source module 2.
[0048] According to the present invention, the values of the first preset duty cycle Dr 1 and the second preset duty cycle Dr 2 can be determined according to the actual situation. The second preset duty cycle Dr 2 can be 60 - 80% of the first preset duty cycle Dr 1 .
[0049] In a specific embodiment of the present invention, the dimming module includes a dimming unit 3.1 and a dimming control unit 3.2;
[0050] The dimming unit 3.1 is connected between the control module and the dimming control unit 3.2, so as to receive and execute the duty cycle information of the current input to the dimming control unit 3.2 issued by the control module through the dimming unit 3.1, and then convert the duty cycle information into an input current signal and execute it through the dimming control unit 3.2.
[0051] In a specific embodiment of the present invention, the output end of the power supply module is further connected to a voltage stabilizing module 4. The voltage stabilizing module 4 can be an LDO (linear voltage stabilizing) module, which can step down the input voltage to provide the operating voltage for the MCU. The voltage stabilizing module 4 can be arranged between the power supply module and the high beam light source module 2, or can be arranged between the power supply module and the control module 1. Preferably, it is arranged between the power supply module and the control module 1, which can make the total voltage of the current entering other modules more stable and reduce the damage to electrical appliances caused by voltage changes.
[0052] In a relatively preferred specific embodiment of the present invention, a high beam control system is provided, as Figure 1 shown, including a control module 1, a power supply module, a dimming module and a high beam light source module 2; the power supply module is connected to the high beam light source module 2 to be able to supply power to the high beam light source module 2; the control module 1 is connected between the power supply module and the high beam light source module 2 to be able to detect the number of power-on times n of the power supply module to the high beam light source module 2 within a unit time t, and is used to determine the preset number of power-on times n of the power supply module to the high beam light source module 2 within a unit time t 0 ; a voltage stabilizing module 4 is also provided between the power supply module and the control module 1, and a dimming module is also provided between the control module 1 and the high beam light source module 2 to be able to make the duty cycle of the current passing through the dimming module be a first preset duty cycle Dr 1 or a second preset duty cycle Dr 2 , the first preset duty cycle Dr 1 is greater than the second preset duty cycle Dr 2 ; the dimming module includes a dimming unit 3.1 and a dimming control unit 3.2. The dimming unit 3.1 is connected between the control module 1 and the dimming control unit 3.2. When the control module 1 detects that the number of power-on times n is greater than or equal to the preset number of power-on times n 0 , the duty cycle of the current input to the dimming module is made to be the first preset duty cycle Dr 1 ; and the first preset duty cycle Dr 1 is converted into a first preset current I 1 through the dimming control unit 3.2, and then the current input to the high beam light source module 2 is controlled to be the first preset current I 1 ; when the control module 1 detects that the number of power-on times n is less than the preset number of power-on times n 0 , the duty cycle of the current input to the dimming module is made to be the second preset duty cycle Dr 2 , and the second preset duty cycle Dr 2 is converted into a second preset current I 2 through the dimming control unit 3.2, and then the current input to the high beam light source module 2 is controlled to be the second preset current I 1 .
[0053] According to the present invention, referring toFigure 1 The power supply module can be a vehicle's own power module or a vehicle's own power generation module. The control module 1 can be an MCU (micro control unit) module, which can count the number of times the power supply module powers on the high-beam light source module 2. The dimming unit 3.1 can be a PWM dimming unit, which is used to receive MCU instructions and output duty cycle instructions. The dimming control unit 3.2 can be a linear control unit, which is used to receive the duty cycle information of PWM dimming and convert it into current information. The high-beam light source module 2 can be an LED module. The voltage regulator module 4 can be an LDO module. The purpose of setting the diode on the right side of the LDO is to absorb transient energy shocks and prevent interference signals from flowing back.
[0054] The high beam control system provided by the above preferred embodiment of the present invention detects the number of times n that the power supply module powers on the high beam light source module 2 within a unit time t, and compares it with the preset number of times n that the power supply module powers on the high beam light source module 2 within a unit time t. 0 By comparison, the brightness of the light emitted by the high beam light source module 2 can be adjusted according to the relationship between the two, and the power-on times n and the preset power-on times n can be adjusted according to the power-on times n and the preset power-on times n. 0 The relationship between the high beam and the flashing high beam is used to determine whether it is in the normal high beam and the flashing high beam situation, and then the current input to the high beam light source module 2 is adjusted independently according to the two situations to adjust the brightness of the high beam, which can reduce the possibility of dazzling the drivers of oncoming vehicles during normal high beam, and can also improve the warning effect when flashing the high beam. Under the premise of saving LED costs without changing the LED model and saving circuit costs without increasing the circuit, the input current of the LED can be increased when flashing the high beam, and the output luminous flux of the LED can be increased in a short time without consuming the service life of the LED. Under the premise of meeting the requirements of optical regulations, both the high beam and the flashing high beam functions have appropriate luminous flux, allowing drivers to use the lights more comfortably and drive more safely during driving, making the lamps more practical in line with life.
[0055] In a basic implementation of the method of the present invention, a high beam control method is provided, comprising: determining a preset power-on number n of the high beam light source module 2 within a unit time t 0 , and detect the number of power-on times n of the high-beam light source module 2 in a unit time t, according to the number of power-on times n and the preset number of power-on times n 0 The relationship between and adjusts the brightness of the light emitted by the high-beam light source module 2.
[0056] The high beam control method described above can be executed using the aforementioned high beam control system.
[0057] The high beam control system provided by the above basic embodiment of the present invention detects the number of power-on times n of the high beam light source module 2 within a unit time t, and compares it with the preset number of power-on times n of the high beam light source module 2 within a unit time t of the determined power supply module. 0Compare, and then adjust the brightness of the light emitted by the high-beam light source module 2 according to the relationship between the two. It is possible to determine whether it is in the normal high-beam or flashing high-beam situation based on the power-on times n and the preset power-on times n 0 to determine whether it is in the normal high-beam or flashing high-beam situation, and then independently adjust the brightness of the high-beam according to these two situations, so as to reduce the possibility of dazzling the driver of oncoming vehicles during normal high-beam, and at the same time improve the warning effect during flashing high-beam. Moreover, determining the normal high-beam and flashing high-beam in the above manner can improve the control accuracy of the high-beam control system.
[0058] As a specific embodiment of the present invention, the method for adjusting the brightness of the light emitted by the high-beam light source module 2 according to the relationship between the power-on times n and the preset power-on times n 0 is as follows: when the power-on times n is greater than or equal to the preset power-on times n 0 , increase the brightness of the light emitted by the high-beam light source module 2; when the power-on times n is less than the preset power-on times n 0 , reduce the brightness of the light emitted by the high-beam light source module 2. By this means, it is possible to accurately determine whether the high-beam is a normal high-beam or a flashing high-beam, thereby improving the control accuracy of the high-beam control system.
[0059] The way to adjust the brightness of the light emitted by the high-beam light source module 2 can adopt any feasible way. In a specific embodiment of the present invention, the way to adjust the brightness of the light emitted by the high-beam light source module 2 includes adjusting the input current of the high-beam light source module 2 and / or adjusting the input duty cycle of the high-beam light source module 2. By adopting the above method, the controllability of the brightness of the light emitted by the high-beam light source module 2 is higher.
[0060] As another specific embodiment of the present invention, the method for adjusting the brightness of the light emitted by the high-beam light source module 2 according to the relationship between the power-on times n and the preset power-on times n 0 is as follows: when the power-on times n is greater than or equal to the preset power-on times n 0 , control the current input to the high-beam light source module 2 to be the first preset current I 1 ; when the power-on times n is less than the preset power-on times n 0 , control the current input to the high-beam light source module 2 to be the second preset current I 2 , the first preset current I 1 is greater than the second preset current I 2 . By adopting this method, it is possible to accurately determine whether the high-beam is a normal high-beam or a flashing high-beam while accurately controlling the brightness of the light emitted by the high-beam light source module 2.
[0061] According to the present invention, the values of the first preset current I 1 and the second preset current I 2 can be determined according to the actual situation, and the second preset current I 2It can be the first preset current I 1 which is 60 - 80% of
[0062] In a specific embodiment of the present invention, it further includes a dimming module connected to the high beam light source module 2. The method for adjusting the brightness of the light emitted by the high beam light source module 2 according to the relationship between the power-on times n and the preset power-on times n 0 is as follows: when the power-on times n is greater than or equal to the preset power-on times n 0 , the duty cycle of the current input to the dimming module is made the first preset duty cycle Dr 1 ; when the power-on times n is less than the preset power-on times n 0 , the duty cycle of the current input to the dimming module is made the second preset duty cycle Dr 2 , and the first preset duty cycle Dr 1 is greater than the second preset duty cycle Dr 2 . By adopting this method, it is possible to accurately determine whether the high beam is a normal high beam or a flashing high beam and at the same time accurately control the brightness of the light emitted by the high beam light source module 2.
[0063] According to the present invention, the values of the first preset duty cycle Dr 1 and the second preset duty cycle Dr 2 can be determined according to the actual situation. The second preset duty cycle Dr 2 can be 60 - 80% of the first preset duty cycle Dr 1 .
[0064] As a specific embodiment of the present invention, the dimming module includes a dimming unit 3.1 and a dimming control unit 3.2; the method for adjusting the brightness of the light emitted by the high beam light source module 2 according to the relationship between the power-on times n and the preset power-on times n 0 is as follows: when the power-on times n is greater than or equal to the preset power-on times n 0 , the duty cycle of the current input to the dimming module is made the first preset duty cycle Dr 1 , and the first preset duty cycle Dr 1 is converted into the first preset current I 1 by the dimming control unit 3.2, and then the current input to the high beam light source module 2 is controlled to be the first preset current I 1 ; when the power-on times n is less than the preset power-on times n 0 , the duty cycle of the current input to the dimming module is made the second preset duty cycle Dr 2 , and the second preset duty cycle Dr 2 is converted into the second preset current I 2 by the dimming control unit 3.2, and then the current input to the high beam light source module 2 is controlled to be the second preset current I 1 .
[0065] In addition, the present invention provides a vehicle, which includes the high beam control system described in the above technical solution and / or executes the high beam control method described in the above technical solution. The vehicle has all the advantages of the above high beam control system and / or high beam control method, and will not be elaborated here one by one.
[0066] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention, and these simple modifications all fall within the protection scope of the present invention.
[0067] In addition, it should be noted that, among the various specific technical features described in the above specific embodiments, without contradiction, they can be combined in any suitable way. To avoid unnecessary repetition, the present invention will not separately describe various possible combination methods.
[0068] In addition, any combination can be made between various different embodiments of the present invention, as long as it does not violate the idea of the present invention, it should also be regarded as the content disclosed by the present invention.
Claims
1. A high beam control system, characterized in that, it includes a control module (1), a power supply module, and a high beam light source module (2); the power supply module is connected to the high beam light source module (2) to be able to supply power to the high beam light source module (2); The control module (1) is connected between the power supply module and the high beam light source module (2) and is configured to: determine a preset power-on number n of the high beam light source module (2) by the power supply module within a unit time t 0 , and is capable of detecting the power-on number n of the high beam light source module (2) by the power supply module within the unit time t, and then adjusting the brightness of the light emitted by the high beam light source module (2) according to the relationship between the power-on number n and the preset power-on number n 0 .
2. The high beam control system according to claim 1, characterized in that, The method for adjusting the brightness of the light emitted by the high beam light source module (2) according to the power-on times n and the preset power-on times n 0 is as follows: when the power-on times n is greater than or equal to the preset power-on times n 0 , increase the brightness of the light emitted by the high beam light source module (2); when the power-on times n is less than the preset power-on times n 0 , decrease the brightness of the light emitted by the high beam light source module (2).
3. The high beam control system according to claim 1, characterized in that, the method of adjusting the brightness of the light emitted by the high beam light source module (2) includes adjusting the input current of the high beam light source module (2) and / or adjusting the input duty cycle of the high beam light source module (2).
4. The high beam control system according to claim 1, characterized in that, The control module (1) is connected between the power supply module and the high beam light source module (2) so that the current input to the high beam light source module (2) is a first preset current I 1 or a second preset current I 2 , the first preset current I 1 is greater than the second preset current I 2 ; The method of adjusting the brightness of the light emitted by the high beam light source module (2) according to the number of power - on times n and the preset number of power - on times n 0 is as follows: when the number of power - on times n is greater than or equal to the preset number of power - on times n 0 the current input to the high beam light source module (2) is made the first preset current I 1 ; When the number of power - on times n is less than the preset number of power - on times n 0 , the current input to the high - beam light source module (2) is the second preset current I 2 .
5. The high beam control system according to claim 4, characterized in that, A dimming module is also provided between the control module (1) and the high beam light source module (2) so that the duty cycle of the current passing through the dimming module can be a first preset duty cycle Dr 1 or a second preset duty cycle Dr 2 , and the first preset duty cycle Dr 1 is greater than the second preset duty cycle Dr 2 ; The method of adjusting the brightness of the light emitted by the high beam light source module (2) according to the relationship between the number of power - on times n and the preset number of power - on times n 0 is as follows: when the number of power - on times n is greater than or equal to the preset number of power - on times n 0 , the duty ratio of the current input to the dimming module is set to a first preset duty ratio Dr 1 ; When the number of power - on times n is less than the preset number of power - on times n 0 the duty cycle of the current input to the dimming module is made the second preset duty cycle Dr 2 .
6. The high beam control system according to claim 5, characterized in that, the dimming module includes a dimming unit (3.1) and a dimming control unit (3.2); the dimming unit (3.1) is connected between the control module (1) and the dimming control unit (3.2) to receive and execute the duty cycle information of the current input to the dimming control unit (3.2) sent by the control module (1) through the dimming unit (3.1), and then convert the duty cycle information into an input current signal and execute it through the dimming control unit (3.2).
7. The high beam control system according to any one of claims 1 to 6, characterized in that, a voltage stabilizing module (4) is further connected to the output end of the power supply module.
8. A high beam control method, characterized in that, it includes: Determine the preset number of power - on times \(n\) of the high - beam light source module (2) within a unit time \(t\). 0 , and detect the number of power - on times \(n\) of the high - beam light source module (2) within the unit time \(t\). Adjust the brightness of the light emitted by the high - beam light source module (2) according to the relationship between the number of power - on times \(n\) and the preset number of power - on times \(n\). 0 9. The high beam control method according to claim 8, characterized in that, The method for adjusting the brightness of the light emitted by the high beam light source module (2) according to the power-on times n and the preset power-on times n 0 is as follows: when the power-on times n is greater than or equal to the preset power-on times n 0 , increase the brightness of the light emitted by the high beam light source module (2); when the power-on times n is less than the preset power-on times n 0 , decrease the brightness of the light emitted by the high beam light source module (2).
10. The high beam control method according to claim 8, characterized in that, The method for adjusting the brightness of the light emitted by the high beam light source module (2) according to the number of power - on times n and the preset number of power - on times n 0 is as follows: when the number of power - on times n is greater than or equal to the preset number of power - on times n 0 , control the current input to the high beam light source module (2) to be the first preset current I 1 ; when the number of power - on times n is less than the preset number of power - on times n 0 , control the current input to the high beam light source module (2) to be the second preset current I 2 , and the first preset current I 1 is greater than the second preset current I 2 .
11. The high beam control method according to claim 10, characterized in that, It further includes a dimming module connected to the high beam light source module (2), and the method for adjusting the brightness of the light emitted by the high beam light source module (2) according to the power-on times n and the preset power-on times n 0 is as follows: when the power-on times n is greater than or equal to the preset power-on times n 0 , the duty ratio of the current input to the dimming module is set to a first preset duty ratio Dr 1 ; When the number of power - on times \(n\) is less than the preset number of power - on times \(n_0\) 0 the duty cycle of the current input to the dimming module is made the second preset duty cycle \(D_{r2}\) 2 The first preset duty cycle \(D_{r1}\) 1 is greater than the second preset duty cycle \(D_{r2}\) 2 .
12. The high beam control method according to claim 11, characterized in that, the dimming module includes a dimming unit (3.1) and a dimming control unit (3.2); The method for adjusting the brightness of the light emitted by the high beam light source module (2) according to the power-on times n and the preset power-on times n 0 is as follows: when the power-on times n is greater than or equal to the preset power-on times n 0 , the duty cycle of the current input to the dimming module is set to a first preset duty cycle Dr 1 , and the first preset duty cycle Dr 1 is converted into a first preset current I 1 by the dimming control unit (3.2), and then the current input to the high beam light source module (2) is controlled to be the first preset current I 1 ; When the number of power - on times n is less than the preset number of power - on times n 0 , make the duty cycle of the current input to the dimming module be the second preset duty cycle Dr 2 , and convert the second preset duty cycle Dr 2 to the second preset current I 2 by the dimming control unit (3.2), and then control the current input to the high - beam light source module (2) to be the second preset current I 1 .
13. A vehicle, characterized in that, it includes the high beam control system according to any one of claims 1 to 7 and / or executes the high beam control method according to any one of claims 8 to 12.