Vehicle and lamplight self-adaptive control device thereof

Abstract

The utility model relates to a vehicle and a lamplight self-adaptive control device thereof, the vehicle is provided with the lamplight self-adaptive control device, and the lamplight self-adaptive control device comprises a rear cover, an upper cover and a circuit board; the rear cover is provided with a containing space, the upper cover and the rear cover form a closed space, and the circuit board is contained in the containing space of the rear cover and electrically connected with a whole vehicle power source. The circuit board is provided with a power supply module, an acquisition module, a detection comparison module, an IC driving module and a load module. The low-voltage interface for the whole vehicle can be used for vehicles such as passenger cars, special vehicles, trucks and the like with dipped headlights, the dipped headlights can be automatically turned on and turned off according to the brightness of the environment, manual active turning on and turning off of dipped headlight switches are reduced, and meanwhile the low-voltage interface for the whole vehicle is easy and convenient to install, simple in circuit, low in whole vehicle installation cost, economical, practical and suitable for popularization and application. The operation intelligence and convenience of the whole vehicle are improved, and major safety accidents are better eradicated.

Description

Technical Field

[0001] The utility model belongs to the technical field of vehicle intelligent control, and relates to a vehicle light adaptive control, in particular to an adaptive control device for a vehicle low beam and a vehicle with the device. Background Art

[0002] During the driving process, the low beam lights are turned on or off according to factors such as time period, vehicle location, rain, fog, etc., and the low beam lights are usually turned on and off manually. Therefore, when frequently entering and exiting tunnels, the driver needs to frequently turn on and off the low beam lights to reasonably provide the road lighting required for the vehicle to drive. If the driver fails to turn on the low beam lights by mistake, it may cause a traffic accident.

[0003] In view of the above, the problem that needs to be solved in this application is to enable vehicles equipped with low beam lights and daytime running lights to automatically turn on the low beam lights when encountering dark light environments. Summary of the invention

[0004] In order to solve the problem that the vehicle low beam lamp cannot be automatically turned on, the utility model provides a vehicle light adaptive control device which can realize automatic turning on and off of the vehicle low beam lamp according to the brightness of the environment and a vehicle using the device.

[0005] The utility model is realized by the following technical solutions:

[0006] The above-mentioned vehicle light adaptive control device comprises a rear cover, an upper cover and a circuit board; the rear cover has a containing space, the upper cover and the rear cover form a closed space, the circuit board is contained in the containing space of the rear cover and is electrically connected to the power supply of the whole vehicle; the circuit board has a power module, a collection module, a detection and comparison module, an IC driving module and a load module.

[0007] The vehicle light adaptive control device, wherein: the power module is respectively connected to the acquisition module, the detection and comparison module, the IC drive module, and the load module, and the power module is used to provide the acquisition module, the detection and comparison module, the IC drive module with the required working voltage and the power supply of the load module; the acquisition module is used to receive the brightness of the ambient light and convert it into an electrical signal that can be identified and compared by the detection and comparison module, and the electrical signal output end is connected to the detection and comparison module; the detection and comparison module is used to receive the electrical signal output by the acquisition module and convert it into a drive signal, and the output end is connected to the IC drive module; the IC drive module is used to receive the signal output by the detection and comparison module, convert it into a drive signal, drive the load, and the output end is connected to the load module; the load module outputs a voltage, current, and maximum power that meet the power required by the load, including the load module; the load module 5 is connected to the output end of the IC drive module.

[0008] The vehicle light adaptive control device, wherein: the rear cover has a base plate, a accommodating space formed by a concave lower end surface of the base plate, and a connecting portion extending backward from the rear end of the accommodating space; the connecting portion is provided with an assembly bayonet at the front end close to the base plate, and a connecting line port is provided at the rear end; a card slot is provided on the inner side wall of the accommodating space; the upper cover matches the rear cover, and includes a base and a tail; a card block protrudes upward from the outer edge of the base, and the card block matches the card slot of the upper cover; the tail extends backward from the rear end of the base, and both sides are bent upward to form an assembly structure, and a buckle matching the assembly bayonet is provided, which cooperates with the connecting portion of the upper cover, and the upper cover is buckled on the rear cover by assembling the card block with the card slot and the buckle with the assembly bayonet to form a closed space with the rear cover.

[0009] The vehicle light adaptive control device, wherein: a mounting bracket is arranged in the accommodating space of the rear cover; an opening is arranged on the upper end surface of the substrate, and the upper end of the mounting bracket protrudes outward from the opening; the circuit board is installed, fixed and limited by the mounting bracket, and heat is dissipated through the opening on the substrate.

[0010] The vehicle light adaptive control device, wherein: a connection terminal is provided at the rear end of the circuit board, the connection terminal is passed through the connection line port of the rear cover, and the vehicle power supply is connected through the connection terminal.

[0011] The vehicle light adaptive control device, wherein: the wiring terminal has 3 functional pins, pin A1 is -24V power supply negative output, pin A3 is +24V power supply positive input, and pin A2 is 0V to 0.5V low power output.

[0012] The vehicle light adaptive control device, wherein: the substrate of the rear cover and the base of the upper cover adopt a circular structure.

[0013] The above-mentioned vehicle has any one of the above-mentioned vehicle light adaptive control devices. Beneficial Effects

[0014] The vehicle light adaptive control device of the utility model is a low-beam vehicle light adaptive control device, which reduces the need for manual opening and closing of the low-beam switch, and is simple and convenient to install, with simple circuits and low vehicle installation cost, which is economical and practical, improves the intelligent convenience of vehicle operation, reduces the need for the driver to turn on and off the low-beam when frequently entering and exiting a cave tunnel with dim light and other environments, and realizes the automatic opening and closing of the vehicle low-beam according to the brightness of the environment, which is convenient for customer operation, is conducive to product modularization, shortens the product development cycle, and thus reduces the production and manufacturing cost, and has universality, and can be applied to all vehicles with low-beam without modifying the software logic or hardware control architecture, thereby overcoming the problem that the special control module with integrated photosensitive elements is usually used to realize this function, and the cost is high, which is not conducive to modularization and universalization, resulting from changing the control circuit and power supply circuit of the whole vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the vehicle light adaptive control device of the utility model;

[0016] Figure 2 This is a structural exploded view of the vehicle light adaptive control device of the utility model;

[0017] Figure 3 This is the front view of the vehicle light adaptive control device of the utility model;

[0018] Figure 4 This is a side view of the vehicle light adaptive control device of the utility model;

[0019] Figure 5 This is a plug-in interface view of the vehicle light adaptive control device of the utility model;

[0020] Figure 6 This is a circuit board structure diagram of the vehicle light adaptive control device of the utility model;

[0021] Figure 7 This is the electrical principle diagram of the vehicle light adaptive control device of the utility model. DETAILED DESCRIPTION

[0022] The following embodiments of the technical solution of the present application are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0023] In the description of the embodiments of the present application, technical terms such as "first" and "second" are only used to distinguish different objects and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features.

[0024] In the description of the embodiments of the present application, the directions or positional relationships indicated by the technical terms "inside", "outside", "up", "down", "front", "back", "left", "right", etc. are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present application and simplifying the description. They do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the embodiments of the present application.

[0025] The utility model is described in detail below with reference to the accompanying drawings and specific implementation modes.

[0026] like Figure 1-Figure 5 As shown, the vehicle light adaptive control device of the utility model comprises an ABS rear cover 1, an ABS upper cover 2, and a circuit board 3.

[0027] The ABS rear cover 1 comprises a base plate 11, a receiving space formed by a concave bottom surface of the base plate 11, and a connecting portion 12 extending backward from the rear end of the receiving space; a mounting bracket 13 is arranged in the receiving space, and a card slot 14 is arranged on the inner side wall; an opening 15 is arranged on the upper end surface of the base plate 11; an assembly card slot 121 is arranged at the front end of the connecting portion 12 close to the base plate 11, and a connecting line port 122 is arranged at the rear end.

[0028] The ABS upper cover 2 matches the ABS rear cover 1, and includes a base 21 and a tail 22; a block 211 protrudes upward from the outer edge of the base 21, and the block 211 matches with the slot 14 of the accommodating space of the ABS rear cover 1; the tail 22 extends backward from the rear end of the base 21, and both sides are bent upward to form an assembly structure, and is provided with a buckle 221, which matches with the assembly bayonet 121 of the connecting portion 12 of the ABS upper cover 1; by assembling the block 211 with the slot 14 and the buckle 221 with the assembly bayonet 121, the ABS upper cover 2 is buckled at the opening of the ABS rear cover 1 to form a closed space with the ABS rear cover 1.

[0029] In this embodiment:

[0030] The base plate 11 of the rear cover 1 and the base 21 of the upper cover 2 both adopt a circular structure;

[0031] The back cover 1 has three slots 14 evenly spaced; the openings 15 match the positions of the slots 14 and have three evenly spaced; the top of the block 211 is located at the opening 15 after being assembled with the slots 14; the upper end of the mounting bracket 13 protrudes outward from the openings 15 distributed on the left and right;

[0032] To facilitate assembly, an assembly clamp 16 is provided on the outer side wall of the accommodating space of the ABS rear cover 1 .

[0033] The circuit board 3 is arranged in the accommodating space of the ABS rear cover 1 and is electrically connected to the power supply of the whole vehicle through the connecting line port; the circuit board 3 is installed, fixed and limited by the mounting bracket 13 of the ABS upper cover 1, and heat is dissipated through the opening 15 on the substrate 11; the circuit board 3 integrates a power module 31, an acquisition module 32, a detection and comparison module 33, an IC drive module 34, and a load module 35.

[0034] like Figure 6 As shown, the power supply module 31 is respectively connected to the acquisition module 32, the detection and comparison module 33, the IC driver module 34, and the load module 35. The power supply module 31 is used to provide the working voltage required by the acquisition module 32, the detection and comparison module 33, the IC driver module 34 and the power supply for the load module 35.

[0035] The acquisition module 32 is used to receive the brightness of the ambient light and convert it into an electrical signal that can be identified and compared by the detection and comparison module 33, and the output end of the electrical signal is connected to the detection and comparison module 33.

[0036] The detection and comparison module 33 is used to receive the electrical signal output by the acquisition module 32 and convert it into a driving signal, and the output end is connected to the IC driving module 34 .

[0037] The IC driving module 34 is used to receive the signal output by the detection and comparison module 33 , convert it into a driving signal, drive the load, and the output end is connected to the load module 35 .

[0038] The load module 35 outputs voltage, current, and maximum power that meet the power required by the load, including the load module; the load module 35 is connected to the output end of the IC driving module 34.

[0039] The rear end of the circuit board 3 is provided with a connection terminal 36, which is inserted into the connection line port 122 of the ABS rear cover 1 and connected to the vehicle power supply through the connection terminal 36. The connection terminal 36 has three functional pins, such as Figure 5 As shown, pin A1 is the negative pole output of -24V power supply, pin A3 is the positive pole input of +24V power supply, and pin A2 is the low power output of 0V to 0.5V. The vehicle light adaptive control device is connected to the positive and negative poles of the power supply through the wiring terminals, and the light control signal is output, and the light control relay is connected through the signal.

[0040] The vehicle of the utility model is provided with the vehicle light adaptive control device.

[0041] The circuit principle of the vehicle light adaptive control device of the utility model is as follows Figure 7 As shown, there are multiple working states, as follows:

[0042] 1. When the acquisition module 32 receives the ambient light intensity > 3500 Lux, it sends an acquisition signal to the detection and comparison module 33. The detection and comparison module 33 sends a shutdown signal to the IC driver module 34. The IC driver module sends a shutdown signal to the load module 35. The load module 35 outputs a high voltage to the coil circuit of the light control relay, and the light control relay has no power output;

[0043] 2. When the acquisition module 32 receives the ambient light intensity of <1500 Lux, it sends an acquisition signal to the detection and comparison module 33. The detection and comparison module 33 sends an opening signal to the IC driver module 34. The IC driver module sends an opening signal to the load module 35. The load module 35 outputs a low voltage to the coil circuit of the light control relay, and the light control relay has power output;

[0044] 3. When the acquisition module 32 receives the ambient light intensity change from >3500Lux to <1500Lux, it sends an acquisition signal to the detection and comparison module 33. The detection and comparison module 33 sends a start signal with a delay of <2S to the IC driver module 34. The IC driver module sends a start signal to the load module 35. The load module 35 outputs a low voltage to the coil circuit of the light control relay, and the light control relay has power output;

[0045] 4. When the acquisition module 32 receives the ambient light intensity change from >1500Lux to <3500Lux, it sends an acquisition signal to the detection and comparison module 33. The detection and comparison module 33 sends a shutdown signal with a delay of >45S to the IC driver module 34. The IC driver module sends a shutdown signal to the load module 35. The load module 35 outputs a high voltage to the light control relay coil circuit, and the light control relay has no power output.

[0046] The vehicle light adaptive control device of the utility model has a low-voltage interface for the whole vehicle and can be used for vehicles equipped with low beam lights, such as buses, special-purpose vehicles, and trucks. The low beam lights can be automatically turned on and off according to the brightness of the environment. The biggest feature of the structure is that it reduces the need for manual opening and closing of the low beam light switch. At the same time, the installation is simple and convenient, the circuit is simple, the installation cost of the whole vehicle is not high, it is economical and practical, and the intelligent convenience of the whole vehicle operation is improved, and the driver's frequent opening and closing of the low beam lights in and out of the cave while driving is reduced, so as to better prevent major safety accidents.

Claims

1. A vehicle lighting adaptive control device, characterized in that: The device comprises a back cover, an upper cover and a circuit board; The rear cover has a accommodating space, the upper cover and the rear cover form a closed space, the circuit board is accommodated in the accommodating space of the rear cover and is electrically connected to the power supply of the entire vehicle; the circuit board has a power module, a collection module, a detection and comparison module, an IC drive module, and a load module.

2. The vehicle light adaptive control device according to claim 1, characterized in that: The power supply module is connected to the acquisition module, the detection and comparison module, the IC drive module, and the load module respectively, and the power supply module is used to provide the acquisition module, the detection and comparison module, the IC drive module with the required working voltage and the load module with the power supply; The acquisition module is used to receive the brightness of the ambient light and convert it into an electrical signal that can be identified and compared by the detection and comparison module, and the output end of the electrical signal is connected to the detection and comparison module; The detection and comparison module is used to receive the electrical signal output by the acquisition module, convert it into a drive signal, and the output end is connected to the IC drive module; The IC driving module is used to receive the signal output by the detection and comparison module, convert it into a driving signal, drive the load, and the output end is connected to the load module; The load module outputs voltage, current and maximum power that meet the power required by the load; the load module is connected to the output end of the IC driving module.

3. The vehicle light adaptive control device according to claim 1, characterized in that: The rear cover comprises a base plate, a receiving space formed by a concave bottom surface of the base plate, and a connecting portion extending backward from the rear end of the receiving space; the connecting portion is provided with an assembly bayonet at the front end close to the base plate, and a connecting line port at the rear end; and a card slot is provided on the inner side wall of the receiving space; The upper cover matches the back cover and includes a base and a tail; a card block protrudes upward from the outer edge of the base, and the card block matches the card slot of the upper cover; the tail extends backward from the rear end of the base, and both sides are bent upward to form an assembly structure, and a buckle matching the assembly bayonet is provided, which cooperates with the connecting part of the upper cover, and the upper cover is buckled on the back cover by assembling the card block with the card slot and the buckle with the assembly bayonet to form a closed space with the back cover.

4. The vehicle light adaptive control device according to claim 3, characterized in that: A mounting bracket is arranged in the accommodating space of the rear cover; an opening is arranged on the upper end surface of the substrate, and the upper end of the mounting bracket protrudes outward from the opening; the circuit board is fixed and limited by the mounting bracket, and heat is dissipated through the opening on the substrate.

5. The vehicle light adaptive control device according to claim 4, characterized in that: A wiring terminal is arranged at the rear end of the circuit board, and the wiring terminal is passed through the connection line port of the rear cover, and the vehicle power supply is connected through the wiring terminal.

6. The vehicle light adaptive control device according to claim 5, characterized in that: The wiring terminal has three functional pins, pin A1 is a -24V power negative output, pin A3 is a +24V power positive input, and pin A2 is a 0V to 0.5V low power output.

7. The vehicle light adaptive control device according to claim 1, characterized in that: The substrate of the rear cover and the base of the upper cover adopt a circular structure.

8. A vehicle, characterized in that: The vehicle has the vehicle light adaptive control device as described in any one of claims 1-6.

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