Vehicle door opening linkage warning system

Abstract

The utility model provides a vehicle door opening linkage warning system. The vehicle door opening linkage warning system comprises a vehicle door lock position sensor, a vehicle door control unit, a vehicle body control module BCM and a warning control unit. Wherein the vehicle door lock position sensor is in electric signal connection with the vehicle door control unit through an LIN-bus, the vehicle door control unit is in electric signal connection with the vehicle body control module BCM through a CAN bus, and the vehicle body control module BCM is in electric signal connection with the warning control unit through a sub-bus system (Sub-CAN); the car door lock position sensor identifies a car door opening signal and transmits the car door opening signal to the car door control unit through the LIN-bus; the vehicle door control unit transmits the obtained vehicle door opening signal to the vehicle body control module through the comfortable CAN bus and controls the vehicle door to be opened according to the vehicle door opening signal; the vehicle body control module sends a warning instruction to the warning control unit through the Sub-CAN according to the vehicle door opening signal; and the warning control unit starts warning equipment according to the warning instruction. According to the system, the vehicle door opening device and the vehicle steering lamps are set / managed in an associated mode, drivers and passengers are reminded, and meanwhile the effect of warning pedestrians and vehicles coming behind is achieved.

Description

Technical Field

[0001] The utility model relates to a vehicle door opening control system, in particular to a vehicle door opening linkage warning system. Background Art

[0002] According to Article 63, Item 4 of the Regulations for the Implementation of the Road Traffic Safety Law, the vehicle doors shall not be opened or people shall not get on or off before the vehicle stops, and the opening and closing of the doors shall not hinder the passage of other vehicles and pedestrians. However, in daily use of the vehicle, many drivers or passengers are accustomed to opening the door directly to get off the vehicle without checking whether there are pedestrians or vehicles behind or beside the vehicle body. As a result, accidents caused by accidentally opening the door are everywhere. According to statistics, in 2019 alone, the small action of "opening the door" caused 1,162 traffic accidents, resulting in nearly 500 people injured to varying degrees. Therefore, the action of "opening the door" is jokingly called "opening the door to kill"!

[0003] In order to prevent the driver or passenger from opening the door unexpectedly, causing bicycles, electric vehicles, and motorcycles to be caught off guard, and stone carvings to fall and even die. The current method is to teach drivers and passengers to use the Dutch way of opening the door: use the hand farther from the door to open the door. If you sit on the left side, use the right hand to open the door, and if you sit on the right side, use the left hand to open the door. In this way, you will be "forced" to look outward to judge whether there is a car coming from behind, so as to avoid accidents of opening the door. This method requires subjective control of the driver and passengers, and is not a subconscious behavior. More than 80% of people find it difficult to develop this habit. Especially in an emergency, most drivers and passengers will not adopt this form. Utility Model Content

[0004] The utility model aims to remind the driver and passengers to observe the surrounding conditions of the vehicle by linking the door opening device with the warning device, and at the same time, remind pedestrians / vehicles around the vehicle to notice that the door of the vehicle is about to be opened.

[0005] In order to achieve the above object, the utility model provides a door opening linkage warning system, including: a door lock position sensor, a door control unit, a body control module BCM (Body Control Module), and a warning control unit;

[0006] Among them, the door lock position sensor is connected to the door control unit through the LIN-bus, the door control unit is connected to the body control module BCM through the CAN bus, and the body control module BCM is connected to the warning control unit through the sub-bus system (Sub-CAN).

[0007] The door lock position sensor recognizes the door opening signal and transmits it to the door control unit via the LIN-bus;

[0008] The door control unit transmits the acquired door opening signal to the body control module via the CAN bus, and controls the door opening according to the door opening signal;

[0009] The body control module sends a warning command to the warning control unit through the Sub-CAN based on the door opening signal;

[0010] The warning control unit activates the warning device according to the warning instruction.

[0011] The system associates the door opening device with the vehicle turn signal to set / manage it, reminding the driver and passengers while also warning pedestrians and vehicles coming from behind. Compared with the lotus leaf-like door opening behavior, which requires subjective control by the driver and passengers and is not a subconscious behavior, more than 80% of people find it difficult to develop this habit. The system links the door opening warning device to a passive warning control, which can effectively warn the driver and passengers, pedestrians and vehicles coming from behind.

[0012] Preferably, the warning control unit includes: a car light control unit, a sound control unit, the warning instructions include: a flashing light instruction, a horn instruction, and the warning equipment includes: a car light, a horn; wherein the car light control unit controls the car light to flash according to the flashing light instruction, and the sound control unit controls the horn to sound according to the horn instruction. The system links the door opening with the car light and / or horn, and can well provide sound and visual warnings to the driver and passengers, pedestrians and vehicles coming from behind.

[0013] More preferably, the flashing frequency of the headlights includes: normal flashing 35-45 times / minute, warning flashing 75-85 times / minute, super strong warning flashing 35-45 times / minute

[0014] Preferably, the warning control unit includes a delay device, and the warning control unit starts the warning device according to the warning instruction and runs it to the preset time of the delay device, and then stops the warning device. The warning control unit is provided with a delay device so that the warning device can continue to run for a period of time, which can significantly improve the warning effect.

[0015] Preferably, the door control unit includes a delay device, which starts the delay device according to the door opening signal to a preset time length, and then controls the door to open. The door control unit is provided with a delay device to force the door to open with a delay, so that even if the driver and passengers ignore the warning information in a hurry, pedestrians / surrounding vehicles can still be reminded to actively avoid.

[0016] Preferably, the door lock position sensor includes: a left door lock position sensor and a right door lock position sensor, the door control unit includes: a left door control unit and a right door control unit, and the warning control unit includes: a left warning control unit and a right warning control unit.

[0017] The left door lock position sensor recognizes the left door opening signal and transmits it to the left door control unit via the LIN-bus; the right door lock position sensor recognizes the right door opening signal and transmits it to the right door control unit via the LIN-bus;

[0018] The body control module sends a warning command to the left warning control unit according to the left door opening signal, and the body control module sends a warning command to the right warning control unit according to the right door opening signal. Grouping the door lock position sensor, door control unit, and warning control unit can make the warning information more accurate.

[0019] The door opening linkage warning system of the utility model associates the door opening device with the vehicle warning device (such as turn signal, horn) for setting / managing. When the door handle on any side is used to open the door lock, the warning device is activated to warn pedestrians and vehicles coming from behind. Compared with the lotus leaf-style door opening, which requires subjective control, non-subconscious behavior, and is easily forgotten by drivers and passengers in an emergency, this system is a passive warning device that can provide good optical / sound warnings to pedestrians and vehicles coming from behind. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of an embodiment of the structure of a door opening linkage warning system of the utility model;

[0021] Figure 2 for Figure 1 The connection circuit diagram of the door control unit and the body control module BCM of the embodiment shown

[0022] Figure 3 for Figure 1 Connection diagram of the body control module BCM and the warning control unit in the embodiment shown

[0023] Figure 4 It is a schematic diagram of another embodiment of the door opening linkage warning system structure of the utility model;

[0024] Figure 5 It is a schematic diagram of another embodiment of the door opening linkage warning system structure of the utility model;

[0025] Figure 6 This is a circuit diagram of the door control unit, controller, and warning control unit. DETAILED DESCRIPTION

[0026] In order to clearly describe the present invention, it is now described in further detail with reference to the accompanying drawings.

[0027] like Figure 1 , Figure 2 , Figure 3As shown, a door opening linkage warning system includes: a door lock position sensor, a door control unit, a power supply control unit J519 (BCM1), and a warning control unit.

[0028] Among them, the door lock position sensor is electrically connected to the door control unit through the LIN-bus, the door control unit is electrically connected to the body control module BCM through the comfort CAN bus, and the body control module BCM is electrically connected to the warning control unit through the sub-bus system (Sub-CAN).

[0029] More specifically, the door lock position sensor includes: left and right door lock position sensors; the door control unit includes: left and right door control units; the warning control unit includes: left and right warning control units.

[0030] The left door lock position sensor includes the driver door lock position sensor and the left rear door lock position sensor. The driver / left rear door lock position sensors respectively identify the driver / left rear door opening signals and transmit them to the driver / left rear door control unit J386 / J926 through the LIN-bus; the right door lock position sensor includes the right front door lock position sensor and the right rear door lock position sensor. The right front / right rear door lock position sensors identify the right front / right rear door opening signals and transmit them to the right front / right rear door control unit J387 / J927 through the LIN-bus.

[0031] The left door control unit includes the driver's door control unit J386 and the left rear door control unit J926; the right door lock position sensor includes the front passenger door control unit J387 and the right rear door control unit J927.

[0032] The left warning control unit is the left light control unit J1018 and the right warning control unit is the right light control unit J1023.

[0033] The power supply control unit J519 sends a flashing command to the left headlight control unit J1018 according to the left door opening signal, and the left headlight control unit J1018 controls the left front light and left rear light to flash; the power supply control unit J519 sends a flashing command to the right headlight control unit J1023 according to the right door opening signal, and the right headlight control unit J1023 controls the right front light and right rear light to flash.

[0034] The flashing frequencies of the car lights include: normal flashing 35-45 times / minute, warning flashing 75-85 times / minute, and super warning flashing 35-45 times / minute.

[0035] The system associates the door opening device with the vehicle turn signal to set / manage it, reminding the driver and passengers while also warning pedestrians and vehicles coming from behind. Compared with the lotus leaf-like door opening behavior, which requires subjective control by the driver and passengers and is not a subconscious behavior, more than 80% of people find it difficult to develop this habit. The system links the door opening warning device to a passive warning control, which can effectively warn the driver and passengers, pedestrians and vehicles coming from behind.

[0036] In addition to the lights, the warning device can also be a horn. The warning control unit can also include: a sound control unit, the warning instruction includes a horn instruction, and the sound control unit controls the horn to sound according to the horn instruction. The system links the door opening with the lights and / or horn, which can well provide sound and visual warnings to drivers and passengers, pedestrians and vehicles coming from behind.

[0037] When the vehicle equipped with this system is in use, when the driver and the front and rear passengers open the door through the door handle inside the vehicle, the door lock position sensor recognizes that the door is opened and transmits the door opening signal to the driver's door control unit J386 or the front passenger door control unit J387 or the left rear door control unit J926 or the right rear door control unit J927 through the LIN-bus (pink in the figure), where the rear door control units J926 and J927 are connected to the front door control units J386 and J387 through the LIN-bus (pink in the figure). The front door control units J386 and J387 (blue font) transmit the obtained door opening signal to the power supply control unit (BCM 1) J519 (red font) through the comfort CAN bus (yellow-green twisted pair).

[0038] The power supply control unit (BCM 1) J519 sends a command to the left headlight control unit J1018 or the right door control unit J1023 through the Sub-CAN (sub-bus system) according to the door opening signal, and then transmits the signal through the LIN-bus, so that the left or right turn signal (including the front turn signal, rear turn signal, and turn signal on the rearview mirror) flashes at a high frequency at the same time, which serves the purpose of alerting pedestrians and vehicles behind.

[0039] like Figure 6 In the example, the door opening signal is transmitted to the body control module BCM, which distinguishes the left and right door opening signals through the internal control chip and CAN_High (high level) and CAN_Low (low level). After the door controller receives the signal of the door handle opening, it controls the parallel turn signal, also through CAN_High (high level) and CAN_Low (low level) to determine whether the left turn signal or the right turn signal flashes.

[0040] In order to significantly enhance and prolong the warning effect, Figure 1Based on the example shown, a warning delay device can also be added.

[0041] like Figure 4 As shown, the warning control unit includes a warning delay device, which starts the warning device according to the warning instruction and runs for a preset time of the delay device, and then stops the warning device. The device can control the turn signal to flash for a preset time, and / or the horn to keep honking for a period of time.

[0042] In order to significantly improve the warning effect, Figure 1 Based on the example shown, a door opening delay device can also be added. Even if the driver and passengers ignore the warning information in a hurry, pedestrians / surrounding vehicles can still be reminded to actively avoid it.

[0043] like Figure 5 As shown, the door control unit includes a door opening delay device. The door control unit starts the door opening delay device according to the door opening signal to a preset time (for example, 5 seconds), and then controls the door to open. The door delay time can be set in the vehicle settings, which are also divided into four gears: low, medium, high, and custom. The low gear is to delay the door opening for 3s, the medium gear is to delay the door opening for 5s, the high gear is to delay the door opening for 8s, and the custom gear is adjusted between 0 and 8s, where the unit is 1s, and 0s means turning off this function. Through the signal of the door opening by the inner door handle, the left light control unit J1018 or the right door control unit J1023 is matched and calibrated in advance, so that the door control unit can delay a certain number of seconds before issuing a door opening command to the electronic door lock.

Claims

1. A door opening linkage warning system, characterized in that: include: Door lock position sensor, door control unit, body control module BCM, warning control unit; Among them, the door lock position sensor is connected to the door control unit through the LIN-bus, the door control unit is connected to the body control module BCM through the CAN bus, and the body control module BCM is connected to the warning control unit through the sub-bus system Sub-CAN. The door lock position sensor recognizes the door opening signal and transmits it to the door control unit via the LIN-bus; The door control unit transmits the acquired door opening signal to the body control module via the comfort CAN bus; The body control module sends a warning command to the warning control unit through the Sub-CAN based on the door opening signal; The door control unit includes a delay device, which is triggered by the door control unit to start for a preset time and then controls the door to open; The warning control unit activates the warning device according to the warning instruction.

2. The door opening linkage warning system as claimed in claim 1, characterized in that: The warning control unit includes: a car light control unit and a sound control unit, the warning instructions include: a flashing light instruction and a horn instruction, and the warning equipment includes: a car light and a horn; wherein the car light control unit controls the flashing of the car lights according to the flashing light instruction, and the sound control unit controls the sound of the horn according to the horn instruction. The system links the opening of the car door with the car lights and / or the horn, and can provide good sound and visual warnings to the driver and passengers, pedestrians and vehicles coming from behind.

3. The door opening linkage warning system as claimed in claim 2, characterized in that: The flashing frequencies of the vehicle lights include: normal flashing 35-45 times / minute, warning flashing 75-85 times / minute, and super strong warning flashing 35-45 times / minute.

4. The door opening linkage warning system as claimed in claim 1, characterized in that: The warning control unit includes a delay device. The warning control unit starts the warning device according to the warning instruction and runs it to the preset time of the delay device, and then stops the warning device.

5. The door opening linkage warning system as claimed in claim 1, characterized in that: The door lock position sensor includes: a left door lock position sensor and a right door lock position sensor; the door control unit includes: a left door control unit and a right door control unit; the warning control unit includes: a left warning control unit and a right warning control unit. The left door lock position sensor recognizes the left door opening signal and transmits it to the left door control unit via the LIN-bus; the right door lock position sensor recognizes the right door opening signal and transmits it to the right door control unit via the LIN-bus; The body control module sends a warning command to the left warning control unit according to the left door opening signal, and the body control module sends a warning command to the right warning control unit according to the right door opening signal.

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