A control circuit and vehicle

Abstract

The embodiment of the present application provides a control circuit and a vehicle. The control circuit comprises: a vehicle control module and a light controller, the light controller comprises an IMMO controller and an AVAS, the vehicle control module is used for sending a light control signal to control the light controller, the vehicle control module is used for sending an anti-theft control signal to control the IMMO controller, and the vehicle control module is used for sending a warning control signal to control the AVAS. In the embodiment of the present application, the integrated light controller can realize the functions of the light controller, the IMMO controller and the AVAS, and the resource consumption of the application of the IMMO controller, the AVAS and the light controller to the vehicle is reduced.

Description

[Technical Field]

[0001] This invention relates to the field of circuit technology, and more particularly to a control circuit and a vehicle. [Background Technology]

[0002] An engine immobilizer (IMMO) controller is an electronic device built into a car that prevents the engine from starting without the correct key. An Acoustic Vehicle Alerting System (AVAS) alerts pedestrians to the presence of electric vehicles by emitting an audible warning. A lighting controller receives rhythmic control commands from the vehicle's infotainment system and vehicle status information from the Integrated Body Control Module (IBCM) via Controller Area Network (CAN) communication, thereby controlling the rhythmic movement of the exterior lights. These three controllers consume significant resources when used in automobiles. [Summary of the Invention]

[0003] In view of this, embodiments of the present invention provide a control circuit and a vehicle to reduce resource consumption when using IMMO controllers, AVAS and lighting controllers in automobiles.

[0004] On one hand, embodiments of the present invention provide a control circuit, which includes: a vehicle control module and a lighting controller. The lighting controller includes an IMMO controller and an AVAS. The vehicle control module is used to send lighting control signals to control the lighting controller, send anti-theft control signals to control the IMMO controller, and send warning control signals to control the AVAS.

[0005] Optionally, the lighting controller includes a LIN module, an OR module, an LDO module, an MCU, a memory, a first CAN module, a speaker control module, and a second CAN module. The vehicle control module is connected to the LIN module, the LIN module is connected to the MCU, the vehicle control module is connected to the LDO module, the vehicle control module is connected to the OR module, the OR module is connected to the LDO module, the LDO module is connected to the MCU, the MCU is connected to the memory, the vehicle control module is connected to the MCU, the vehicle control module is connected to the first CAN module, the first CAN module is connected to the MCU, the vehicle control module is connected to the speaker control module, the speaker control module is connected to the MCU, the vehicle control module is connected to the second CAN module, and the second CAN module is connected to the MCU.

[0006] Optionally, the IMMO controller includes a LIN module, an OR module, an LDO module, an MCU, a memory, and a first CAN module. The vehicle control module is connected to the LIN module, the LIN module is connected to the MCU, the vehicle control module is connected to the LDO module, the vehicle control module is connected to the OR module, the OR module is connected to the LDO module, the LDO module is connected to the MCU, the MCU is connected to the memory, the vehicle control module is connected to the MCU, the vehicle control module is connected to the first CAN module, and the first CAN module is connected to the MCU.

[0007] Optionally, the AVAS includes an LDO module, an MCU, a memory, a first CAN module, and a speaker control module. The vehicle control module is connected to the LDO module, the LDO module is connected to the MCU, the MCU is connected to the memory, the vehicle control module is connected to the MCU, the vehicle control module is connected to the first CAN module, the first CAN module is connected to the MCU, the vehicle control module is connected to the speaker control module, and the speaker control module is connected to the MCU.

[0008] Optionally, the built-in coil of the vehicle control module communicates with the LIN module via LIN; the vehicle control module includes a power module for supplying power to the LDO module and the OR module; the vehicle control module also includes a CAN communication module for sending a first CAN control signal to the first CAN module; the vehicle control module further includes a body control module for sending an IBC signal to the OR module and also for sending an IBC signal or an IGN signal to the MCU.

[0009] Optionally, the vehicle control module includes a power supply module for supplying power to the LDO module; the vehicle control module also includes a CAN communication module for sending a first CAN control signal to the first CAN module; the vehicle control module is used to send an IBC signal or an IGN signal to the MCU; the vehicle control module also includes a speaker, and the speaker control module controls the speaker according to the speaker control signal.

[0010] Optionally, the built-in coil of the vehicle control module communicates with the LIN module via LIN. The vehicle control module includes a power supply module for supplying power to the LDO module and the OR module. The vehicle control module also includes a CAN communication module for sending a first CAN control signal to the first CAN module and a second CAN control signal to the second CAN module. The vehicle control module further includes a body control module for sending an IBC signal to the OR module and an IBC signal or an IGN signal to the MCU. The vehicle control module also includes a speaker, and a speaker control module controls the speaker according to a speaker control signal.

[0011] Optionally, the first CAN module is a common CAN module, and the second CAN module is the CAN module of the lighting controller.

[0012] Optionally, the IGN signal of the IMMO controller and the IBC signal of the lighting controller are both transmitted through the same pin of the MCU.

[0013] On the other hand, embodiments of the present invention provide a vehicle including the above-described control circuit.

[0014] In the control circuit solution provided by this invention, the control circuit includes a vehicle control module and a lighting controller. The lighting controller includes an IMMO controller and an AVAS. The vehicle control module sends lighting control signals to control the lighting controller, sends anti-theft control signals to control the IMMO controller, and sends warning control signals to control the AVAS. In this invention, the integrated lighting controller can realize the functions of a lighting controller, an IMMO controller, and an AVAS, reducing resource consumption when using an IMMO controller, AVAS, and lighting controller in a vehicle. [Attached Image Description]

[0015] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 A schematic diagram of a control circuit provided in an embodiment of the present invention;

[0017] Figure 2 This is a schematic diagram of another control circuit provided in an embodiment of the present invention.

Detailed Implementation Methods

[0018] To better understand the technical solution of the present invention, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0019] It should be understood that the described embodiments are merely some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0020] The terminology used in the embodiments of this invention is for the purpose of describing particular embodiments only and is not intended to limit the invention. The singular forms “a,” “the,” and “the” as used in the embodiments of this invention and the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise.

[0021] It should be understood that the term "and / or" used in this article is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. Additionally, the character " / " in this article generally indicates that the preceding and following related objects have an "or" relationship.

[0022] AVAS is widely used in electric vehicles, while IMMO controllers and lighting controllers are widely used in both gasoline and electric vehicles. These three controllers have many similar modules, and designing and manufacturing them separately would consume a lot of unnecessary manpower and resources. Furthermore, all three controllers need to be installed on the entire vehicle, which increases the complexity of the vehicle's control circuitry when there are many controllers. The microcontroller units (MCUs) used in these three controllers are not always at full load, resulting in wasted resources. To solve the above technical problems, one embodiment of the present invention provides a control circuit. Figure 1 This is a schematic diagram of a control circuit provided in an embodiment of the present invention, as shown below. Figure 1As shown, the control circuit includes: a vehicle control module 1 and a lighting controller 2. The lighting controller 2 includes an IMMO controller 21 and an AVAS 22. The vehicle control module 1 is connected to the lighting controller 2, the vehicle control module 1 is connected to the IMMO controller 21, and the vehicle control module 1 is connected to the AVAS 22.

[0023] In this embodiment of the invention, the lighting controller 2 can be used to control ambient lights and / or rhythm lights.

[0024] Among them, the vehicle control module 1 is used to send light control signals to control the light controller 2, the vehicle control module 1 is used to send anti-theft control signals to control the IMMO controller 21, and the vehicle control module 1 is used to send warning control signals to control the AVAS 22.

[0025] In the control circuit solution provided by this invention, the control circuit includes a vehicle control module and a lighting controller. The lighting controller includes an IMMO controller and an AVAS. The vehicle control module sends lighting control signals to control the lighting controller, sends anti-theft control signals to control the IMMO controller, and sends warning control signals to control the AVAS. In this invention, the integrated lighting controller can realize the functions of a lighting controller, an IMMO controller, and an AVAS, reducing resource consumption when using an IMMO controller, AVAS, and lighting controller in a vehicle.

[0026] One embodiment of the present invention provides another control circuit. Figure 2 A schematic diagram of another control circuit provided in an embodiment of the present invention is shown below. Figure 2 As shown, the control circuit includes: a vehicle control module 1 and a lighting controller 2, wherein the lighting controller 2 includes an IMMO controller 21 and an AVAS 22.

[0027] In this embodiment of the invention, the lighting controller 2 includes a Local Interconnect Network (LIN) module 211, an OR module 212, a Low-dropout regulator (LDO) module 213, an MCU 214, a memory 216, a first CAN module 215, a speaker control module 221, and a second CAN module 231. The vehicle control module 1 is connected to the LIN module 211, the LIN module 212 is connected to the MCU 214, the vehicle control module 1 is connected to the LDO module 213, the vehicle control module 1 is connected to the OR module 212, the OR module 212 is connected to the LDO module 213, the LDO module 213 is connected to the MCU 214, the MCU 214 is connected to the memory 216, the vehicle control module 1 is connected to the MCU 214, the vehicle control module 1 is connected to the first CAN module 215, and the first CAN module 215 is connected to the MCU. 214 is connected to the vehicle control module 1 and the speaker control module 221. The speaker control module 221 is connected to the MCU 214. The vehicle control module 1 is connected to the second CAN module 231. The second CAN module 231 is connected to the MCU 214.

[0028] In this embodiment of the invention, the IMMO controller 21 includes a LIN module 211, an OR module 212, an LDO module 213, an MCU 214, a memory 216, and a first CAN module 215. The vehicle control module 1 is connected to the LIN module 211, the LIN module 211 is connected to the MCU 214, the vehicle control module 1 is connected to the LDO module 213, the vehicle control module 1 is connected to the OR module 212, the OR module 212 is connected to the LDO module 213, the LDO module 213 is connected to the MCU 214, the MCU 214 is connected to the memory 216, the vehicle control module 1 is connected to the MCU 214, the vehicle control module 1 is connected to the first CAN module 215, and the first CAN module 215 is connected to the MCU 214.

[0029] In this embodiment of the invention, AVAS22 includes an LDO module 213, an MCU 214, a memory 216, a first CAN module 215, and a speaker control module 221. The vehicle control module 1 is connected to the LDO module 213, the LDO module 213 is connected to the MCU 214, the MCU 214 is connected to the memory 216, the vehicle control module 1 is connected to the MCU 214, the vehicle control module 1 is connected to the first CAN module 215, the first CAN module 215 is connected to the MCU 214, the vehicle control module 1 is connected to the speaker control module 221, and the speaker control module 221 is connected to the MCU 214.

[0030] In this embodiment of the invention, the memory 216 includes an electrically erasable programmable read-only memory (EEPROM).

[0031] In this embodiment of the invention, different signals acquired by the MCU 214 have corresponding pins, and the signal transmission logic is controlled by the programmed software. The OR module 212 is used to select and control the corresponding function according to the on / off state of the internal circuit of the control circuit. The speaker control module 221 is a power amplifier driver chip that can drive the speaker 15 to achieve the effect of sounding to warn pedestrians.

[0032] Specifically, the built-in coil 11 of the vehicle control module 1 communicates with the LIN module 211 via LIN. The vehicle control module 1 includes a power module 12, which supplies power to the LDO module 213 and the OR module 212. The vehicle control module 1 also includes a CAN communication module 14, which sends a first CAN control signal to the first CAN module 215. The vehicle control module 1 also includes a body control module 13, which sends an IBC signal to the OR module 212 and also sends an Integration Body Control (IBC) signal or an Ignite (IGN) signal to the MCU 214.

[0033] In this embodiment of the invention, the first CAN control signal includes a CANH control signal or a CANL control signal, wherein the CANL control signal is a low-speed CAN signal, typically 250K / S. The state of the CANH control signal terminal can be high or floating, and the state of the CANL control signal terminal can be low or floating.

[0034] Specifically, the vehicle control module 1 also includes a speaker 15, and the speaker control module 221 can control the speaker 15 according to the speaker control signal.

[0035] In this embodiment of the invention, the CAN communication module 14 is further configured to send a second CAN control signal to the second CAN module 231. The second CAN control signal includes a CANH control signal or a CANL control signal, wherein the CANL control signal is a low-speed CAN signal, typically 250 K / S. The state of the CANH control signal terminal can be high or floating, and the state of the CANL control signal terminal can be low or floating.

[0036] In this embodiment of the invention, the first CAN module 215 is a common CAN module, and the second CAN module 231 is the CAN module of the lighting controller 2, which can be used to control the vehicle's rhythm lights and / or ambient lights.

[0037] In this embodiment of the invention, based on the hardware circuit of the lighting controller 2, and considering the power supply module 12, CAN communication module 14, body control module 13, and speaker 15 required by the lighting controller 2, IMMO controller 21, and AVAS 22, the control circuit is reconstructed and optimized. A constantly powered LDO module 213 can be added to the power supply module 12 to meet the power requirements of each module and the power-down self-learning requirements of the IMMO controller 21. This ensures that the control circuit can realize the respective functions of the lighting controller 2, IMMO controller 21, and AVAS 22 without interfering with each other.

[0038] In this embodiment of the invention, the IGN signal of the IMMO controller 21 and the IBC signal of the lighting controller 2 can both be transmitted through the same pin of the MCU 214, thereby realizing the functions of the three controllers, namely the lighting controller 2, the IMMO controller 21 and the AVAS 22, while taking into account the above-mentioned control circuit.

[0039] Since the AVAS22 does not share functional pins with either the IMMO controller 21 or the lighting controller 2, the AVAS22 can be used simultaneously with either the IMMO controller 21 or the lighting controller 2. However, the IMMO controller 21 and the lighting controller 2 share pins and are selected by the control circuit, therefore the IMMO controller 21 and the lighting controller 2 cannot be used simultaneously.

[0040] In the control circuit solution provided by this invention, the control circuit includes a vehicle control module and a lighting controller. The lighting controller includes an IMMO controller and an AVAS. The vehicle control module sends lighting control signals to control the lighting controller, sends anti-theft control signals to control the IMMO controller, and sends warning control signals to control the AVAS. In this invention, the integrated lighting controller can realize the functions of a lighting controller, an IMMO controller, and an AVAS, reducing resource consumption when using an IMMO controller, AVAS, and lighting controller in a vehicle.

[0041] In related technologies, AVAS22, IMMO controller 21, and lighting controller 2 are often used independently, each using a separate MCU. Furthermore, the MCUs do not operate at full load, resulting in resource waste. However, the technical solution provided in this invention, while accommodating the functions of all three controllers, uses only one MCU. This MCU supports two CAN channels and one LIN channel for communication, with timing controlled by a programmed sequencer. The MCU operates at full load, maximizing resource utilization. Compared to separate, independent controllers, the control circuit provided in this invention is applicable to more vehicle models, while also offering a shorter development cycle and lower development costs.

[0042] In the technical solution provided by the embodiments of the present invention, for some microcars that do not have ambient lighting function, a logic OR can be used in the control circuit to select whether to use the ambient lighting function by constant power enable and IBC signal transmitted from the body control module.

[0043] In the technical solution provided by this invention, by reusing and optimizing multiple modules, a single lighting controller 2 can reuse multiple functions to meet the functional requirements of different vehicle models. The integrated lighting controller 2 can realize the functions of three controllers: lighting controller 2, IMMO controller 21, and AVAS 22, which can effectively reduce the development cycle and development cost.

[0044] This invention provides a vehicle including the aforementioned control circuit.

[0045] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A control circuit, the control circuit comprising: The vehicle control module and the lighting controller, the lighting controller including the IMMO controller and the AVAS, the vehicle control module is used to send lighting control signals to control the lighting controller, the vehicle control module is used to send anti-theft control signals to control the IMMO controller, and the vehicle control module is used to send warning control signals to control the AVAS; The IMMO controller includes the LIN module, OR module, LDO module, MCU, memory and first CAN module of the lighting controller. The AVAS shares the LDO module, the MCU, the memory and the first CAN module with the IMMO controller. The AVAS also includes the speaker control module of the lighting controller. The lighting controller includes a second CAN module, the LIN module is connected to the MCU, the OR module is connected to the LDO module, the LDO module is connected to the MCU, the MCU is connected to the memory, the first CAN module is connected to the MCU, the second CAN module is connected to the MCU, and the speaker control module is connected to the MCU.

2. The control circuit according to claim 1, characterized in that, The lighting controller includes a LIN module, an OR module, an LDO module, an MCU, a memory, a first CAN module, and a speaker control module. The vehicle control module is connected to the LIN module, the LIN module is connected to the MCU, the vehicle control module is connected to the LDO module, the vehicle control module is connected to the OR module, the OR module is connected to the LDO module, the LDO module is connected to the MCU, the MCU is connected to the memory, the vehicle control module is connected to the MCU, the vehicle control module is connected to the first CAN module, the first CAN module is connected to the MCU, the vehicle control module is connected to the speaker control module, the speaker control module is connected to the MCU, and the vehicle control module is connected to the second CAN module.

3. The control circuit according to claim 1, characterized in that, The vehicle control module is connected to the LIN module, the LDO module, the OR module, the MCU, and the first CAN module.

4. The control circuit according to claim 2 or 3, characterized in that, The built-in coil of the vehicle control module communicates with the LIN module via LIN; the vehicle control module includes a power module for supplying power to the LDO module and the OR module; the vehicle control module also includes a CAN communication module for sending a first CAN control signal to the first CAN module; the vehicle control module also includes a body control module for sending an IBC signal to the OR module and also for sending an IBC signal or an IGN signal to the MCU.

5. The control circuit according to claim 2, characterized in that, The vehicle control module includes a power supply module for supplying power to the LDO module; the vehicle control module also includes a CAN communication module for sending a first CAN control signal to the first CAN module; the vehicle control module is used to send an IBC signal or an IGN signal to the MCU; the vehicle control module also includes a speaker, and the speaker control module controls the speaker according to the speaker control signal.

6. The control circuit according to claim 2, characterized in that, The vehicle control module has a built-in coil that communicates with the LIN module via LIN. The vehicle control module includes a power supply module for powering the LDO and OR modules. It also includes a CAN communication module for sending a first CAN control signal to the first CAN module and a second CAN control signal to the second CAN module. Furthermore, the vehicle control module includes a body control module for sending IBC signals to the OR module and either IBC or IGN signals to the MCU. Finally, the vehicle control module includes a speaker control module that controls the speaker according to speaker control signals.

7. The control circuit according to claim 6, characterized in that, The first CAN module is a common CAN module, and the second CAN module is the CAN module of the lighting controller.

8. The control circuit according to claim 4 or 6, characterized in that, The IGN signal of the IMMO controller and the IBC signal of the lighting controller are both transmitted through the same pin of the MCU.

9. A vehicle, characterized in that, Includes the control circuit described in any one of claims 1 to 8.

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