A one-button start system for diesel buses

Abstract

This utility model belongs to the technical field of diesel bus technology and provides a one-button start system for diesel buses, including: an ECU for controlling vehicle start; an emergency start controller connected to the ECU via CAN communication and a hardwired connection; the emergency start controller includes a main control chip and an unlocking control module, the unlocking control module being connected to the main control chip and used for verification information; a one-button start controller connected to the ECU via CAN communication and also connected to the emergency start controller via CAN communication and a hardwired connection; a one-button start button connected to the one-button start controller; and a proximity key connected to the antenna of the one-button start controller. This utility model, based on CAN communication, avoids short-circuiting the power line controlling vehicle start with one-button start, improving the security of one-button start; simultaneously, when the proximity key is not within range, verification can be performed via the unlocking control module, and one-button start can still be achieved upon successful verification.

Description

Technical Field

[0001] This utility model relates to the field of diesel bus technology, specifically to a one-button start system for diesel buses. Background Technology

[0002] Traditional diesel buses tend to resemble passenger cars and trams in terms of electrical functions. One-button start is already in use on a certain extent on conventional diesel buses. The control logic of this function is that when the key is within the signal range, the vehicle can be started by pressing the one-button start button. Since most buses do not have a dedicated driver's door, the key usually only has a door opening and closing button. However, the one-button start can only be activated when the key is within the signal range.

[0003] Currently, the control logic for one-button start in diesel buses is basically controlled by wiring harnesses. It simply replaces the key knob for starting control with a one-button start control, without integrating it into the vehicle's ECU. This leads to a problem: this one-button start method is still a hard-wired control. If the power line controlling the vehicle's start is found and short-circuited, the vehicle can be started. Therefore, whether the vehicle starts or not will be independent of whether there is a car key, which is a problem that occurs in conventional fuel vehicles with or without one-button start. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a one-button start system for diesel buses, which solves the problem that current one-button start methods for diesel buses are hard-wired controls and can easily bypass the car key by short-circuiting.

[0005] This utility model provides a one-button start system for diesel buses, comprising: ECU, used to control the starting of the vehicle; An emergency start controller is connected to the ECU via CAN communication and a hardwired connection. The emergency start controller includes a main control chip and an unlock control module. The unlock control module is connected to the main control chip and is used to verify information. The one-button start controller is connected to the ECU via CAN communication, and also to the emergency start controller via CAN communication and hardwire connection; A one-button start is connected to the one-button start controller; The sensor key is connected to the antenna of the one-button start controller. When the one-button start controller determines that the key is not within range, and when the unlocking control module verifies the key and the ECU communication is normal, the ECU controls the vehicle to start after the one-button start button is pressed.

[0006] As can be seen from the above technical solution, the diesel bus one-button start system provided by this utility model switches the one-button start controller from hard-wired control to CAN control, which can avoid short-circuiting the power line of the one-button start control vehicle and improve the safety of one-button start. At the same time, this utility model also sets up an emergency start controller, which can still realize one-button start when the sensing key is not in range, based on the unlock control module verification, and when the verification is successful.

[0007] Optionally, it may also include an instrument, which is connected to the emergency start controller.

[0008] Optionally, the emergency start controller further includes a CAN communication module and a display module, both of which are connected to the main control chip.

[0009] Optionally, the main control chip includes a SHUCHU1 port and a SHUCHU2 port, which are connected to the ECU. The SHUCHU1 port is connected to constant power, and the SHUCHU2 port is also connected to a mechanical lock switch. When the main control chip receives a CAN communication abnormality, it controls the SHUCHU1 port to lose power, and the mechanical lock switch is turned on. When the SHUCHU2 port is powered on, it controls the ECU to start the vehicle.

[0010] Optionally, the unlocking control module includes one or more of a mechanical lock, a fingerprint lock, and a password lock.

[0011] Optionally, the unlocking control module is a 4×4 matrix keypad combination lock.

[0012] Optionally, the main control chip is an STM32F103 microcontroller, and the CAN communication module is a TJA1050.

[0013] By adopting the above technical solution, this application has the following technical effects: This utility model provides a one-button start system for diesel buses, which switches the one-button start controller from hard-wired control to CAN control. This avoids short-circuiting the power line controlling the vehicle's start-up and improves the safety of the one-button start method. In addition, this utility model also sets up an emergency start controller, which verifies the unlock control module when the key is out of range. If the verification is successful, one-button start can still be achieved. Attached Figure Description

[0014] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0015] Figure 1 A schematic diagram of a one-button start system for a diesel bus provided in an embodiment of this utility model; Figure 2 A schematic diagram of the main control chip provided in an embodiment of this utility model; Figure 3 A schematic diagram of the output pins provided in an embodiment of this utility model; Figure 4 A schematic diagram of the unlocking control module provided in an embodiment of this utility model; Figure 5 A schematic diagram of the CAN communication module provided in an embodiment of this utility model; Figure 6 A schematic diagram of a display module provided in an embodiment of this utility model; Figure 7 This is a schematic diagram of a mechanical locking switch provided in an embodiment of the present invention. Detailed Implementation

[0016] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of protection of the present invention. It should be noted that, unless otherwise stated, the technical or scientific terms used in this application shall have the ordinary meaning as understood by one of ordinary skill in the art to which this utility model pertains.

[0017] Hardwired vehicle control technology primarily relies on physical wires or cables to transmit control signals. Inside the car, various sensors, actuators, and controllers are connected via hardwires, forming a complex control system. When the driver operates the vehicle, such as pressing the accelerator pedal or turning the steering wheel, these actions are converted into electrical signals and transmitted via hardwires to the corresponding controllers. The controllers then process the signals and issue commands to control the vehicle's actuators, such as the engine and braking system, thereby achieving vehicle operation and control.

[0018] Currently, existing one-button start control modes allow for one-button start via either the button or the key when the one-button start controller detects the key within range. However, one-button start fails when the controller does not detect the key. While vehicle operation and control are achieved through hard-wired transmission, short-circuiting the power line controlling vehicle start via the one-button start can still start the vehicle. To address this issue, one embodiment provides a one-button start system for diesel buses, comprising: ECU, used to control the starting of the vehicle; An emergency start controller is connected to the ECU via CAN communication and a hardwired connection. The emergency start controller includes a main control chip and an unlock control module. The unlock control module is connected to the main control chip and is used to verify information. The one-button start controller is connected to the ECU via CAN communication, and also to the emergency start controller via CAN communication and hardwire connection; A one-button start is connected to the one-button start controller; The sensor key is connected to the antenna of the one-button start controller. In emergency start mode, when the unlock control module passes the verification and the ECU communication is normal, the ECU controls the vehicle to start after the one-button start is pressed.

[0019] This embodiment switches the one-button start controller from hard-wired control to CAN control, which avoids short-circuiting the power line for starting the vehicle via one-button start and also allows the vehicle to be started, thus improving the safety of one-button start. At the same time, by setting up an emergency start controller, one-button start can still be achieved when the key is out of range, based on the unlock control module verification, and if the verification is successful.

[0020] It should be noted that the one-button start controller's identification of the range of the sensing key and the determination of whether the CAN communication is normal are functions that can be achieved by those skilled in the art using conventional methods, and will not be described in detail here.

[0021] like Figure 2-7 As shown, the emergency start controller includes a main control chip, a CAN communication module, an unlocking control module, and a display module. The CAN communication module, unlocking control module, and display module are all connected to the main control chip. The CAN communication module and... Figure 3 CANH and CANL connections in the system.

[0022] The one-button start system for diesel buses also includes an instrument panel, which is connected to the emergency start controller.

[0023] The main control chip includes a TOYIBIAO port, which connects to... Figure 3 The output pin 2 is connected to the instrument. The TOYIBIAO port is normally not powered. When the instrument receives a signal that the TOYIBIAO port is powered, it enters the CAN communication abnormal start mode and displays the corresponding information.

[0024] Specifically, the main control chip is an STM32F103 microcontroller. The main control chip includes two ports: SHUCHU1 and SHUCHU2. These ports connect via... Figure 3 The output pin 1 is connected to the ECU; The SHUCHU1 port is connected to constant power, and the SHUCHU2 port is also connected to a mechanical lock switch. When the main control chip receives a CAN communication abnormality, it controls the SHUCHU1 port to lose power, turns on the mechanical lock switch, and controls the SHUCHU2 port to be powered on, controlling the ECU to start the vehicle.

[0025] Specifically, the SHUCHU1 port is normally powered. When the emergency start controller enters a CAN communication abnormality start-up state, the SHUCHU1 port loses power and enters the ECU port. The engine ECU checks whether the CAN communication is normal by checking the power loss of the SHUCHU1 port. If the CAN communication abnormality status of the emergency start controller is inconsistent with that of the engine ECU, the vehicle cannot be started and an instrument alarm will be sent via message.

[0026] The ANNIU port is connected to a one-button start button. When the one-button start button is pressed, the ANNIU port is energized. After the ANNIU port is energized, the main control chip determines whether there is a communication abnormality. If so, the ANNIU2 port is energized. Switch SW1 is a mechanical locking switch. When the mechanical locking switch is closed, SW1 closes, energizing the SHUCHU2 port.

[0027] The ECU checks whether the SCHU1 port is energized to determine if the CAN communication status of the emergency start controller is consistent with that of the engine ECU. If the ECU's CAN communication is normal, but the SCHU1 port is de-energized, the vehicle cannot be started. If the ECU determines that the SCHU1 port is de-energized and that the ECU is in a communication abnormal state, it will start the vehicle if it receives power from SCHU2.

[0028] Optionally, it also includes an instrument panel, which is connected to the emergency start controller. The instrument panel is used to display various alarm information. In specific implementations, the instrument panel can be a direct use of existing instruments on the vehicle, and those skilled in the art can implement it using conventional methods.

[0029] Optionally, the emergency start controller also includes a CAN communication module and a display module, both of which are connected to the main control chip. In one specific embodiment, the CAN communication module is model TJA1050, and the display module is model HS13L02W4S01.

[0030] Optionally, the unlocking control module includes one or more of a mechanical lock, a fingerprint lock, and a combination lock. In one specific implementation, such as Figure 4 As shown, the unlocking control module is a 4×4 matrix keypad combination lock. The unlocking control module uses existing unlocking control methods, and those skilled in the art can configure it according to actual needs.

[0031] Based on the one-button start system for diesel buses provided in this embodiment, the keyless start method is the same as the conventional one-button start method. The following mainly describes the two different working modes: Keyless start mode: When there is no key, all devices communicate via CAN. The one-button start controller sends out keyless information, and the ECU sends out a message that it cannot start. Afterwards, if it is verified by the emergency start controller (e.g., if the unlock control module is a password lock and the password lock is verified), the ECU sends out a message that it can start. Press the one-button start button, and the one-button start controller controls the ECU to start via CAN communication.

[0032] CAN communication failure start mode: Unlike electric vehicles, gasoline vehicles may experience communication failures that affect the starting of the vehicle's driving functions. Therefore, a hard-wired control connection is designed for CAN communication failures. This function is used for special starting functions when communication is abnormal. At the same time, this function cannot directly start the vehicle. Instead, it controls the ECU to start the vehicle by controlling the emergency start controller through hard-wired connection.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.

Claims

1. A one-button start system for a diesel bus, characterized in that, include: ECU, used to control the starting of the vehicle; An emergency start controller is connected to the ECU via CAN communication and a hardwired connection. The emergency start controller includes a main control chip and an unlock control module. The unlock control module is connected to the main control chip and is used to verify information. The one-button start controller is connected to the ECU via CAN communication, and also to the emergency start controller via CAN communication and hardwire connection; A one-button start is connected to the one-button start controller; The sensor key is connected to the antenna of the one-button start controller. When the one-button start controller determines that the key is not within range, and when the unlocking control module verifies the key and the ECU communication is normal, the ECU controls the vehicle to start after the one-button start button is pressed.

2. The one-button start system for diesel buses according to claim 1 further includes an instrument panel, which is connected to the emergency start controller.

3. The one-button start system for diesel buses according to claim 2, characterized in that, The emergency start controller also includes a CAN communication module and a display module, both of which are connected to the main control chip.

4. The one-button start system for diesel buses according to claim 3, characterized in that, The main control chip includes a SHUCHU1 port and a SHUCHU2 port, which are connected to the ECU. The SHUCHU1 port is connected to constant power, and the SHUCHU2 port is also connected to a mechanical lock switch. When the main control chip receives a CAN communication abnormality, it controls the SHUCHU1 port to lose power, and the mechanical lock switch is turned on. When the SHUCHU2 port is powered on, it controls the ECU to start the vehicle.

5. The one-button start system for diesel buses according to claim 3, characterized in that, The unlocking control module includes one or more of the following: mechanical lock, fingerprint lock, and password lock.

6. The one-button start system for diesel buses according to claim 5, characterized in that, The unlocking control module is a 4×4 matrix keypad combination lock.

7. The one-button start system for diesel buses according to claim 3, characterized in that, The main control chip is an STM32F103 microcontroller, and the CAN communication module is a TJA1050.

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