CN1996049A - Anti-collision warning method and warning system for automobile and its door - Google Patents

Abstract

The invention discloses an automobile and a door anti-collision early warning method and an early warning system thereof.A door anti-collision early warning system is additionally arranged on the automobile, and the door anti-collision early warning method is adopted, so that the detection of a coming automobile and a coming person at the rear is automatically realized when the automobile is off, and when the coming automobile or the pedestrian is detected within a certain distance, the door is prompted and/or locked, the phenomenon that the door is collided by the coming automobile or the pedestrian due to sudden opening is avoided, and the active safety performance of the automobile is greatly improved. The invention can utilize the existing reversing radar system on the automobile, realize the early warning function of door collision prevention when getting off the automobile on the premise of not influencing the early warning function of reversing collision prevention, improve the utilization rate and the utilization value of the existing resources, and ensure that the system of the invention has less investment and low cost.

Description

Anti-collision warning method and warning system for automobile and its door

【Technical field】

The invention relates to an automobile and its safety protection system.

【Background technique】

At present, the number of automobiles has increased significantly, and the environment for using automobiles has become increasingly complex. In order to prevent collisions when the car is reversing, current cars are generally equipped with a reversing radar, which is activated when the car enters the reverse gear to give an early warning to moving obstacles behind the car. This system effectively detects the distance of fixed moving obstacles or human bodies behind the car, avoiding collisions that may injure people or crash cars, which greatly facilitates drivers. But few people pay attention to the potential danger when the people in the car get off after parking. According to statistics, a considerable proportion of automobile collision accidents occur at the moment when the occupants of the car open the door and get off after parking. During normal driving, I didn't realize that the door of the car parked next to me would be opened suddenly. At this time, it is very likely that the oncoming car will hit the suddenly opened door, or the passing pedestrians will be hit or knocked down by the suddenly opened door.

【Content of invention】

The purpose of the present invention is to solve the above problems and provide a car and its door anti-collision warning method and warning system. The method and system are simple, easy to implement, and low-cost, and can significantly improve the active safety of the car.

In order to achieve the above object, at first, the present invention proposes a car with a door anti-collision warning function, including a front bumper, a rear bumper, a car door, and a compartment; it also includes a door anti-collision warning system, which includes Main control module, ultrasonic transceiver module, rear radar probe group, early warning signal execution module; said early warning signal execution module, ultrasonic transceiver module are respectively connected with said main control module; said rear radar probe group is connected with said ultrasonic transceiver module , installed on the rear bumper; in the parking state, the rear radar probe group detects the rear moving obstacles, and when a moving obstacle is detected within the rear safety distance, the main control module sends an early warning signal The execution module sends out an early warning signal, and the early warning signal execution module executes an early warning action.

In the above automobile, the door anti-collision warning system also includes a contact sensor module connected to the main control module; when the contact sensor module detects the door opening action in the compartment, the main control module activates the rear radar The probe group detects the rear moving obstacles in real time. The touch sensor module includes a plurality of resistance-capacitance sensors, which are respectively installed at the door handles of the doors in the compartment.

In the above-mentioned automobile, the warning signal execution module includes one or both or all of a buzzer, a voice module, and an electric control lock module; the buzzer is used for buzzing; the voice module is used for sending an alarm voice ; The electric control lock module includes a plurality of electric control locks, installed at the door. The door anti-collision warning system also includes a front radar probe group, which is connected with the ultrasonic transceiver module and installed on the front bumper; the front radar probe group detects moving obstacles ahead. When a moving obstacle appears within the safe distance, the main control module sends an early warning signal to the early warning signal execution module, and the early warning signal execution module executes an early warning action.

Secondly, the present invention proposes a car door anti-collision early warning method, comprising the following steps: A, when the vehicle is in a parked state, transmit an ultrasonic signal to the rear of the car; B, receive the returned ultrasonic signal, process it, and judge whether it is within a safe distance Whether there is a moving obstacle; C. When there is a moving obstacle within the safe distance, send out an early warning signal and/or execute an early warning action.

In the above-mentioned car door anti-collision warning method, the step C includes: after it is confirmed that there is no moving obstacle within the safe distance, and when a signal of a person in the car touching the door handle is detected, sending a door-opening signal to unlock the car door. Or after confirming that there is no moving obstacle within the safe distance, a door opening signal is issued to unlock the door. Or when the system detects a moving obstacle within a safe distance, it sends out an audible alarm and locks the door; after that, when it detects a signal that a human hand touches the door handle, it sends out a door-opening signal to unlock the door.

The above-mentioned car door anti-collision warning method, before the step A, also includes a step A': detect whether there is a signal from the compartment that a human hand touches the door handle, and when the signal is detected, perform steps A and B , C.

In the above-mentioned car door anti-collision warning method, the step A further includes: transmitting an ultrasonic signal to the front of the car at the same time.

Finally, the present invention proposes a car door anti-collision early warning system, including a main control module, an ultrasonic transceiver module, a rear radar probe group, and an early warning signal execution module; connected; the rear radar probe group is connected with the ultrasonic transceiver module, and is used to be installed on the rear bumper of the vehicle to detect rear moving obstacles; the rear radar probe group detects rear moving obstacles, when When a moving obstacle within the safe distance behind is detected, the main control module sends an early warning signal to the early warning signal execution module, and the early warning signal execution module executes an early warning action.

The above-mentioned vehicle door anti-collision warning system further includes a contact sensor module connected to the main control module for detecting the door opening action in the vehicle compartment. The touch sensor module includes a plurality of resistance-capacitance sensors, which are used to be respectively installed at door handles in the vehicle.

In the above-mentioned vehicle door anti-collision warning system, the warning signal execution module includes one or two or all of a buzzer, a voice module, and an electric control lock module. It also includes a front radar probe group, which is connected with the ultrasonic transceiver module and used to be installed on the front bumper of the vehicle to detect moving obstacles ahead.

Due to the adoption of the above scheme, the following beneficial effects are brought:

The automobile of the present invention, because the car door anti-collision warning system is added, adopts the car door anti-collision warning method, when getting off the car, it automatically realizes the detection of cars and people coming from behind, when it detects that there are cars or pedestrians within a certain distance When waiting, send a reminder and/or lock the car door to avoid being hit by an incoming car or a pedestrian due to the sudden opening of the car door at this time, which greatly improves the active safety performance of the car.

In the system of the present invention, when the radar is added to the front bumper of the car, the anti-collision warning for the car coming ahead can be realized, and the active safety performance of the car can be further improved.

The present invention can utilize the existing reversing radar system on the car, and realizes the anti-collision warning function of the door when getting off without affecting the reversing anti-collision warning function, improves the utilization rate and utilization value of existing resources, and makes the The invented system has less investment and low cost.

【Description of drawings】

FIG. 1 is a schematic diagram of the circuit structure of Embodiment 1 of the present invention.

Fig. 2 is a schematic diagram of a car to which the present invention is applied.

FIG. 3 is a schematic diagram of the circuit structure of Embodiment 2 of the present invention.

【Detailed ways】

The present invention will be described in further detail below through specific embodiments and in conjunction with the accompanying drawings.

Embodiment one:

The car of this example, structure is identical with prior art, comprises front bumper, rear bumper, car door, compartment etc., and difference is that it has set up car door anti-collision warning system; Please refer to Fig. 1, the car door anti-collision of this example The early warning system includes a main control module, an ultrasonic transceiver module, a rear radar probe group, a power module, a contact sensor module, and an early warning signal execution module; The signal execution module and the ultrasonic transceiver module are respectively connected with the main control module. The power module transforms the 12V DC in the car to provide the working voltage of other modules of the system. The touch sensor module adopts four variable capacity sensors, which are respectively installed at the door handles in the car. The pre-warning signal execution module includes a buzzer, a voice module, and an electric control lock module; the output of the voice module is connected to a loudspeaker. The electric control lock module includes four electric control car door locks, if the vehicle itself has electric control car door locks, it can be used directly.

If the vehicle itself is equipped with a reversing radar system, the system's main control module, ultrasonic transceiver module, rear radar probe group, power supply module, voice circuit or buzzer can be directly shared with the reversing radar system. When the vehicle enters the reverse gear, the system executes the reverse warning function. When the vehicle enters the neutral or parking position, it switches to the door anti-collision warning function. At this time, the emission function of the radar probe can be appropriately increased to expand the detection range behind the vehicle. The four doors are locked. When the system confirms the safe distance When there are no oncoming vehicles or pedestrians in the car, the system sends a signal to unlock the four doors, or when the sensor detects that a human hand touches the door handle, the system sends a signal to unlock the door. When the system detects that there are vehicles or pedestrians coming from behind within a safe distance, the buzzer will sound an alarm, or use a voice alarm output. At this time, the four doors are locked. signal to unlock the door. At this time, it is avoided that the car door is hit by an oncoming car due to sudden opening, or hits a pedestrian, which greatly improves the active safety performance of the car.

Another way of working is that when the contact sensor detects that the human hand touches the door handle, the door anti-collision warning system will start the warning function. The voice alarm output is adopted, and at this time the four doors are locked, and the system does not send out a signal to unlock the door until the car or pedestrian leaves the safe distance behind.

Embodiment two:

Please refer to Figure 2 and Figure 3, the car door anti-collision warning system of this example, on the basis of the previous example, add a group of radar probes, installed in the front safety gear of the car, which can realize the anti-collision of the car ahead Early warning, further improving the active safety performance of the car.

Claims (16)

1, a kind of automobile of tool car door anti-collision warning function comprises front bumper, rear bumper, car door, compartment; It is characterized in that: also comprise the car door anti-collision early warning system, described car door anti-collision early warning system comprises main control module, ultrasonic transmission/reception module, rear radar probe group, early warning signal execution module; Described early warning signal execution module, ultrasonic transmission/reception module are connected with described main control module respectively; Described rear radar probe group is connected with described ultrasonic transmission/reception module, is installed on described rear bumper; Under dead ship condition, described rear radar probe group is detected the rear moving obstacle, when moving obstacle occurring in detecting the rear safe distance, send early warning signal by main control module to the early warning signal execution module, described early warning signal execution module is carried out the early warning action.

2, automobile as claimed in claim 1 is characterized in that: described car door anti-collision early warning system also comprises the touch sensor module, is connected with described main control module; When this touch sensor module detect in the compartment opening the door the action after, described main control module starts described rear radar probe group and in real time the rear moving obstacle is detected.

3, automobile as claimed in claim 1 or 2 is characterized in that: described early warning signal execution module comprise one of hummer, voice module, electric control lock module or two or all; Described hummer is used to sound a buzzer; Described voice module is used to send alarm voice; Described electric control lock module comprises a plurality of electric control locks, is installed on the car door place.

4, automobile as claimed in claim 1 or 2 is characterized in that: described car door anti-collision early warning system also comprises the place ahead radar probe group, is connected with described ultrasonic transmission/reception module, is installed on described front bumper; Described the place ahead radar probe group is detected the place ahead moving obstacle, when in detecting the place ahead safe distance, moving obstacle occurring, send early warning signal by described main control module to the early warning signal execution module, described early warning signal execution module is carried out the early warning action.

5, automobile as claimed in claim 2 is characterized in that: described touch sensor module comprises a plurality of resistance-capacitance type sensors, is installed on the grip of opening the door of car door in the compartment respectively.

6, a kind of car door anti-collision method for early warning comprises the steps: A, when vehicle is in dead ship condition, to car rear emission ultrasonic signal; The ultrasonic signal that B, reception are returned is handled, and judges in the safe distance whether moving obstacle is arranged; C, when in the safe distance moving obstacle being arranged, send early warning signal and/or carry out the early warning action.

7, car door anti-collision method for early warning as claimed in claim 6, it is characterized in that: described step C comprises: after confirming do not have moving obstacle in the safe distance, and detect when staff contacts the signal of the handle that opens the door in the car, send enabling signal and be this car door release.

8, car door anti-collision method for early warning as claimed in claim 6 is characterized in that: before described steps A, also comprise steps A `: whether detecting has the open the door signal of handle of the staff contact of sending in the compartment, after detecting this signal, and execution in step A, B, C.

9, car door anti-collision method for early warning as claimed in claim 8, it is characterized in that: described step C comprises: after confirming do not have moving obstacle in the safe distance, send enabling signal and be this car door release.

10, car door anti-collision method for early warning as claimed in claim 8, it is characterized in that: described step C comprises: after in system detects safe distance, moving obstacle being arranged, the warning of sounding, locking car door; After this, when detecting staff contact when opening the door the signal of handle, send enabling signal and be this car door release.

11, as each described car door anti-collision method for early warning of claim 6-10, it is characterized in that: described steps A also comprises: simultaneously to car the place ahead emission ultrasonic signal.

12, a kind of car door anti-collision early warning system is characterized in that: comprise main control module, ultrasonic transmission/reception module, rear radar probe group, early warning signal execution module; Described early warning signal execution module, ultrasonic transmission/reception module are connected with described main control module respectively; Described rear radar probe group is connected with described ultrasonic transmission/reception module, is used to be installed on the car rear bumper, and the rear moving obstacle is detected; Described rear radar probe group is detected the rear moving obstacle, when moving obstacle occurring in detecting the rear safe distance, sends early warning signal by main control module to the early warning signal execution module, and described early warning signal execution module is carried out the early warning action.

13, car door anti-collision early warning system as claimed in claim 12 is characterized in that: also comprise the touch sensor module, be connected with described main control module; Be used to detect the action of opening the door in the compartment.

14, as claim 12 or 13 described car door anti-collision early warning systems, it is characterized in that: described early warning signal execution module comprises one of hummer, voice module, electric control lock module or two or whole.

15, as claim 12 or 13 described car door anti-collision early warning systems, it is characterized in that: also comprise the place ahead radar probe group, be connected, be used to be installed on the car front bumper, the place ahead moving obstacle is detected with described ultrasonic transmission/reception module.

16, car door anti-collision early warning system as claimed in claim 13 is characterized in that: described touch sensor module comprises a plurality of resistance-capacitance type sensors, is used for being installed on respectively the grip of opening the door in the car.

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