Automobile lamp control system and automobile

Abstract

The utility model belongs to the technical field of automobiles, and particularly relates to an automobile lamp control system which comprises a main control module, a first CAN communication module, a high beam module, a low beam module and an automobile lamp set. The main control module is provided with two groups of communication interfaces, and one group of communication interfaces is electrically connected with the high beam lamp module and the low beam lamp module respectively; and the other group of communication interfaces are electrically connected with the vehicle lamp module through the first CAN communication module. The two groups of communication interfaces are respectively communicated with the corresponding lamp banks, so that the number of wire harnesses is reduced, meanwhile, the main control module and the corresponding lamp banks are connected through the first CAN communication module, a single-path or multi-path function is controlled to execute a conventional lightening function and complex lamp words, wire harness connection is greatly reduced, the wire harness cost is reduced, and the cost is reduced. The vehicle gauge and safety requirements can be met, the same controller is shared, high-power output can be met, and stability and reliability are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobiles, and particularly relates to a vehicle lamp control system and an automobile. Background Art

[0002] With the continuous increase of electronic devices on vehicles, the electronic circuits connecting these devices have expanded rapidly, and the wiring harness has become more and more complex. For example, for the simplest vehicle lamps, four-door electric windows and central control door locks, if point-to-point wiring is adopted, a large number of wiring harnesses are required. The huge wiring harness not only increases the cost and brings difficulties in wiring, but also increases potential safety hazards. Investigations have shown that a large proportion of vehicle fires are caused by the aging or wear of the wiring harness.

[0003] Therefore, how to reduce the wiring harness in the vehicle has become a problem that must be solved.

[0004] It should be noted that the above information disclosed in this background art section is only used to understand the background art of the concept of this application. Therefore, the above description is not considered as information of the prior art. Summary of the Utility Model

[0005] The embodiments of the present disclosure provide at least a vehicle lamp control system and an automobile.

[0006] In a first aspect, the embodiments of the present disclosure provide a vehicle lamp control system, including:

[0007] A main control module, a first CAN communication module, a high beam light module, a low beam light module, and a vehicle lamp group;

[0008] Two groups of communication interfaces are provided on the main control module, and one group of communication interfaces is electrically connected to the high beam light module and the low beam light module respectively;

[0009] The other group of communication interfaces is electrically connected to the vehicle lamp module through the first CAN communication module.

[0010] In an optional embodiment, the vehicle lamp group includes: a position lamp module, a through lamp module, a turn signal lamp module, and a daytime running lamp module;

[0011] The main control module is electrically connected to the position lamp module, the through lamp module, the turn signal lamp module, and the daytime running lamp module respectively through the first CAN communication module.

[0012] In an optional embodiment, the position lamp module includes: a position lamp driving circuit and a position lamp module;

[0013] The first CAN communication module is electrically connected to the position lamp module through the position lamp driving circuit;

[0014] The through lamp module includes: a through lamp drive circuit and a through lamp module;

[0015] The first CAN communication module is electrically connected to the through lamp module through the through lamp drive circuit;

[0016] The turn signal lamp module includes: a turn signal lamp drive circuit and a turn signal lamp module;

[0017] The first CAN communication module is electrically connected to the turn signal lamp module through the turn signal lamp drive circuit;

[0018] The daytime running lamp module includes: a daytime running lamp drive circuit and a daytime running lamp module;

[0019] The first CAN communication module is electrically connected to the daytime running lamp module through the daytime running lamp drive circuit;

[0020] The high beam lamp module includes: a high beam lamp drive circuit and a high beam lamp module;

[0021] The main control module is electrically connected to the high beam lamp module through the high beam lamp drive circuit;

[0022] The low beam lamp module includes: a low beam lamp drive circuit and a low beam lamp module;

[0023] The main control module is electrically connected to the low beam lamp module through the low beam lamp drive circuit.

[0024] In an optional implementation manner, the number of the position lamp drive circuits is at least two;

[0025] The number of the through lamp drive circuits is at least two;

[0026] The number of the turn signal lamp drive circuits is at least two;

[0027] The number of the daytime running lamp drive circuits is at least five.

[0028] In an optional implementation manner, the vehicle lamp control system further includes an LDO voltage stabilizing module;

[0029] The LDO voltage stabilizing module is adapted to stabilize the input power supply and then supply it to the main control module and the first CAN communication module.

[0030] In an optional implementation manner, the vehicle lamp control system further includes a second CAN communication module;

[0031] The main control module is electrically connected to an external BCM through the second CAN communication module.

[0032] In an optional implementation manner, the second CAN communication module uses a SIT1044QT chip.

[0033] In an alternative embodiment, the position light module includes a plurality of serially connected position light groups;

[0034] Each of the position light groups is composed of a plurality of first LED lights connected in series;

[0035] The through light module includes a plurality of serially connected through light groups;

[0036] Each of the through light groups is composed of a plurality of second LED lights connected in series;

[0037] The turn signal module includes a plurality of serially connected turn signal groups;

[0038] Each of the turn signal groups is composed of a plurality of third LED lights connected in series;

[0039] The daytime running light module includes a plurality of serially connected daytime running light groups;

[0040] Each of the daytime running light groups is composed of a plurality of fourth LED lights connected in series.

[0041] In an alternative embodiment, the vehicle lamp control unit further includes a constant voltage module;

[0042] The constant voltage module is electrically connected to the main control module, the high beam module, the low beam module, and the vehicle lamp group respectively, and is adapted to supply power to the main control module, the high beam module, the low beam module, and the vehicle lamp group.

[0043] In a second aspect, an embodiment of the present disclosure further provides a vehicle, including:

[0044] A vehicle body and the vehicle lamp control system as described above;

[0045] The vehicle lamp control system is installed on the vehicle body.

[0046] The beneficial effects of the present utility model are that the vehicle lamp control system and the vehicle of the present utility model communicate with the corresponding lamp groups respectively by using two sets of communication interfaces, reducing the number of wiring harnesses. At the same time, the main control module and the corresponding lamp groups are connected through the first CAN communication module, and the single-channel or multi-channel functions are controlled to perform the conventional lighting function and complex light signals, greatly reducing the wiring harness connection, reducing the wiring harness cost, meeting the vehicle regulations and safety requirements, sharing the same controller, and being able to meet the high-power output and being stable and reliable.

[0047] Other features and advantages of the present utility model will be described in the subsequent specification, and part of them will become obvious from the specification, or will be understood by implementing the present utility model. The objectives and other advantages of the present utility model are achieved and obtained by the structures specifically pointed out in the specification, claims, and drawings.

[0048] To make the above objects, features, and advantages of the present utility model more obvious and understandable, specific preferred embodiments are hereby given, and in conjunction with the accompanying drawings, the detailed description is as follows. Description of the Drawings

[0049] To more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0050] Figure 1 The principle block diagram of the vehicle lamp control system provided by the embodiments of the present disclosure.

[0051] Figure 2 The circuit diagram of the main control module provided by the embodiments of the present disclosure.

[0052] Figure 3 The circuit diagram of the high beam driving circuit provided by the embodiments of the present disclosure.

[0053] Figure 4 The circuit diagram of the low beam driving circuit provided by the embodiments of the present disclosure.

[0054] Figure 5 The circuit diagram of the first CAN communication module provided by the embodiments of the present disclosure.

[0055] Figure 6 The circuit diagram of the LEO voltage stabilization module provided by the embodiments of the present disclosure.

[0056] Figure 7 The partial circuit diagram of the position lamp module provided by the embodiments of the present disclosure.

[0057] Figure 8 The circuit diagram of the through lamp module provided by the embodiments of the present disclosure.

[0058] Figure 9 The circuit diagram of the turn signal module provided by the embodiments of the present disclosure.

[0059] Figure 10 The circuit diagram of the daytime running lamp module provided by the embodiments of the present disclosure.

[0060] Figure 11 The circuit diagram of the constant voltage module provided by the embodiments of the present disclosure.

[0061] Figure 12 The circuit diagram of the second CAN communication module provided by the embodiments of the present disclosure. Specific Embodiments

[0062] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0063] The following will describe in detail some embodiments of the present utility model with reference to the accompanying drawings. Without conflict, the following embodiments and the features in the embodiments may be combined with each other.

[0064] See Figure 1 , Figure 1 which shows a schematic block diagram of a vehicle lamp control system, including: a main control module, a first CAN communication module, a high beam lamp module, a low beam lamp module, and a vehicle lamp group; the main control module is provided with two sets of communication interfaces, one set of communication interfaces is electrically connected to the high beam lamp module and the low beam lamp module respectively; the other set of communication interfaces is electrically connected to the vehicle lamp module through the first CAN communication module. By using two sets of communication interfaces to communicate with the corresponding lamp groups respectively, the number of wire harnesses is reduced. At the same time, the main control module and the corresponding lamp groups are connected through the first CAN communication module to control the single-channel or multi-channel functions to perform the conventional lighting function and complex light signals, greatly reducing the wire harness connection, reducing the wire harness cost, meeting the vehicle regulations and safety requirements, sharing the same controller, and being able to meet the high-power output and be stable and reliable.

[0065] Among them, the circuit diagram of the main control module is as Figure 2 shown. The control chip U9 of the main control module uses an FS32K144HFT0MLLT microprocessor, which can convert the BCM terminal signal into an internal communication signal and control each function drive module at the same time to turn on and off the high beam lamp module, the low beam lamp module, and the vehicle lamp group.

[0066] In at least one embodiment, the vehicle lamp group includes: a position lamp module, a through lamp module, a turn signal lamp module, and a daytime running lamp module; the main control module is electrically connected to the position lamp module, the through lamp module, the turn signal lamp module, and the daytime running lamp module respectively through the first CAN communication module.

[0067] Specifically, the position lamp module includes: a position lamp drive circuit and a position lamp module; the first CAN communication module is electrically connected to the position lamp module through the position lamp drive circuit; the through lamp module includes: a through lamp drive circuit and a through lamp module; the first CAN communication module is electrically connected to the through lamp module through the through lamp drive circuit; the turn signal lamp module includes: a turn signal lamp drive circuit and a turn signal lamp module; the first CAN communication module is electrically connected to the turn signal lamp module through the turn signal lamp drive circuit; the daytime running lamp module includes: a daytime running lamp drive circuit and a daytime running lamp module; the first CAN communication module is electrically connected to the daytime running lamp module through the daytime running lamp drive circuit; the high beam lamp module includes: a high beam lamp drive circuit and a high beam lamp module; the main control module is electrically connected to the high beam lamp module through the high beam lamp drive circuit; the low beam lamp module includes: a low beam lamp drive circuit and a low beam lamp module; the main control module is electrically connected to the low beam lamp module through the low beam lamp drive circuit. The main control module sends CAN signals and simultaneously controls single or multiple functions to perform conventional lighting functions and complex light signals, greatly reducing the wire harness connections and lowering the wire harness cost.

[0068] It should be noted that constant current drive chips are provided in the position lamp drive circuit, the through lamp drive circuit, the turn signal lamp drive circuit, the daytime running lamp drive circuit, the high beam lamp drive circuit, and the low beam lamp drive circuit.

[0069] Among them, the constant current drive chips of the high beam lamp drive circuit and the low beam lamp drive circuit adopt Rohm - BD18353 chips, which can effectively control the constant current output of the circuit, improve the driving efficiency of the LEDs, and at the same time play roles such as LED open - circuit detection and output ground fault protection, effectively improving the safety performance of the system, thereby enhancing the reliability of the entire system.

[0070] The constant current drive chips of the position lamp drive circuit, the through lamp drive circuit, the turn signal lamp drive circuit, and the daytime running lamp drive circuit adopt E522.49 chips, which can effectively control the multi - channel constant current output, and at the same time have over - voltage protection and over - temperature protection, and also play roles such as LED open - circuit detection and output ground fault protection, effectively improving the safety performance of the system, thereby enhancing the reliability of the entire system.

[0071] Among them, the circuit diagram of the high beam lamp drive circuit is as Figure 3 shown, and the circuit diagram of the low beam lamp drive circuit is as Figure 4 shown.

[0072] In a preferred embodiment, the circuit diagram of the first CAN communication module is as Figure 5 shown.

[0073] In some embodiments, the number of the position lamp driving circuits is at least two; the number of the through lamp driving circuits is at least two; the number of the turn signal lamp driving circuits is at least two; the number of the daytime running lamp driving circuits is at least five.

[0074] Preferably, the number of the position lamp driving circuits is thirty-five, the number of the through lamp driving circuits is eighteen; the number of the turn signal lamp driving circuits is six, and the number of the daytime running lamp driving circuits is thirty-four.

[0075] In some embodiments, the vehicle lamp control system further includes an LDO voltage stabilizing module; the LDO voltage stabilizing module is adapted to stabilize the input power supply and then supply it to the main control module and the first CAN communication module.

[0076] Among them, the LDO voltage stabilizing module uses an LN20542Q1 chip to achieve the voltage stabilizing function in an integrated manner, so that when the input voltage varies within a large range, the output voltage of 5V basically does not change, thereby supplying power to the chips of the main control module, the first CAN communication module, and the second CAN communication module.

[0077] Specifically, the circuit diagram of the LDO voltage stabilizing module is as Figure 6 shown.

[0078] In a preferred embodiment, the vehicle lamp control system further includes a second CAN communication module; the main control module is electrically connected to an external BCM through the second CAN communication module. The circuit diagram of the second CAN communication module is as Figure 7 described. The second CAN communication module uses a TJA1443AT chip, complies with ISO 11898-2:2016, SAE J2284-1 to SAE J2284-5, and SAEJ1939-14. The standard CAN and CAN FD data bit rates are up to 5Mbit / s, with low electromagnetic emission (EME) and high electromagnetic immunity (EMI), and has the characteristic of low sleep current, meeting the low energy consumption requirements of all functions in the standby state. The circuit diagram of the second CAN communication module is as Figure 12 shown.

[0079] The composition of each module in the lamp group will be described below. In some embodiments, the position lamp module includes a plurality of serially connected position lamp groups, and each of the position lamp groups is composed of a plurality of first LED lamps connected in series, as Figure 7 shown. The through lamp module includes a plurality of serially connected through lamp groups, and each of the through lamp groups is composed of a plurality of second LED lamps connected in series, as Figure 8 shown. The turn signal lamp module includes a plurality of serially connected turn signal lamp groups, and each of the turn signal lamp groups is composed of a plurality of third LED lamps connected in series, as Figure 9As shown. The daytime running light module includes a plurality of serially connected daytime running light groups, and each of the daytime running light groups is composed of a plurality of fourth LED lights connected in series. As Figure 10 shown.

[0080] In a preferred embodiment, the vehicle lamp control unit further includes a constant voltage module; the constant voltage module is electrically connected to the main control module, the high beam light module, the low beam light module, and the vehicle lamp group respectively, and is adapted to supply power to the main control module, the high beam light module, the low beam light module, and the vehicle lamp group. The circuit diagram of the constant voltage module is as Figure 11 shown.

[0081] At least one embodiment further provides an automobile, including an automobile body and the vehicle lamp control system as described above; the vehicle lamp control system is installed on the automobile body.

[0082] In summary, the vehicle lamp control system and the automobile of the present invention connect the main control module and the corresponding lamp groups through the first CAN communication module, and simultaneously control single or multiple functions to perform conventional lighting functions and complex light languages, greatly reducing the wire harness connection, reducing the wire harness cost, meeting the vehicle regulations and safety requirements, sharing the same controller, and being capable of meeting high-power output and being stable and reliable.

[0083] Inspired by the above ideal embodiments based on the present invention, through the above description, relevant staff can completely make various changes and modifications without departing from the technical idea of the present invention. The technical scope of the present invention is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A vehicle light control system, characterized in that: include: Main control module, first CAN communication module, high beam module, low beam module and headlight group; The main control module is provided with two groups of communication interfaces, one group of which is electrically connected to the high beam module and the low beam module respectively; Another group of communication interfaces is electrically connected to the vehicle light module through the first CAN communication module.

2. The vehicle light control system according to claim 1, characterized in that: The vehicle light assembly includes: a position light module, a through light module, a turn light module and a daytime running light module; The main control module is electrically connected to the position light module, the through light module, the turn light module and the daytime running light module respectively through the first CAN communication module.

3. The vehicle light control system according to claim 2, characterized in that: The position light module comprises: a position light driving circuit and a position light module; The first CAN communication module is electrically connected to the position light module via a position light driving circuit; The through-light module comprises: a through-light driving circuit and a through-light module; The first CAN communication module is electrically connected to the through-light module via a through-light driving circuit; The turn signal module comprises: a turn signal driving circuit and a turn signal module; The first CAN communication module is electrically connected to the turn signal module via a turn signal driving circuit; The daytime running light module includes: a daytime running light driving circuit and a daytime running light module; The first CAN communication module is electrically connected to the daytime running light module through a daytime running light drive circuit; The high beam lamp module comprises: a high beam lamp driving circuit and a high beam lamp module; The main control module is electrically connected to the high beam lamp module via a high beam lamp driving circuit; The low beam lamp module comprises: a low beam lamp driving circuit and a low beam lamp module; The main control module is electrically connected to the low-beam lamp module through a low-beam lamp driving circuit.

4. The vehicle light control system according to claim 3, characterized in that: The number of the position light driving circuits is at least two; The number of the through-lamp driving circuits is at least two; The number of the turn signal driving circuits is at least two; The number of the daytime running light driving circuits is at least five.

5. The vehicle light control system according to claim 1, characterized in that: The vehicle light control system further includes an LDO voltage stabilization module; The LDO voltage stabilizing module is suitable for stabilizing the input power supply and then transmitting it to the main control module and the first CAN communication module.

6. The vehicle light control system according to claim 5, characterized in that: The vehicle light control system further includes a second CAN communication module; The main control module is electrically connected to the external BCM through the second CAN communication module.

7. The vehicle light control system according to claim 6, characterized in that: The second CAN communication module adopts the SIT1044QT chip.

8. The vehicle light control system according to claim 3, characterized in that: The position light module includes a plurality of position light groups connected in series; Each of the position light groups is composed of a plurality of first LED lights connected in series; The through-light module includes a plurality of through-light groups connected in series; Each of the through-light groups is composed of a plurality of second LED lights connected in series; The turn signal module includes a plurality of turn signal groups connected in series; Each of the turn signal lamp groups is composed of a plurality of third LED lamps connected in series; The daytime running light module includes a plurality of daytime running light groups connected in series; Each of the daytime running light groups is composed of a plurality of fourth LED lights connected in series.

9. The vehicle light control system according to claim 1, characterized in that: The vehicle light control unit further comprises a constant voltage module; The constant voltage module is electrically connected to the main control module, the high beam module, the low beam module and the headlight group, respectively, and is suitable for supplying power to the main control module, the high beam module, the low beam module and the headlight group.

10. An automobile, characterized in that: include: A vehicle body and a vehicle light control system as claimed in any one of claims 1 to 9; The vehicle light control system is installed on the vehicle body.

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