CN107472131A - Vehicle door opening warning device, vehicle door opening warning system, vehicle door opening warning method - Google Patents

Abstract

The invention discloses automobile rear-end collision prevention and driving door reminding and early warning equipment, wherein an OBD (on-board diagnostics) decoder is arranged at the tail part of a power plug, the power plug is electrically connected with the OBD decoder, the OBD decoder is electrically connected with a control device through a transmission line, a millimeter wave radar is electrically connected with the control device through a transmission line, a switch is arranged at the inner bottom of a box body, a voice player is arranged at the upper end of the switch, a PCB (printed circuit board) is fixed at the upper end of the voice player, and a bottom shell cover plate is fixedly connected with the box body through a clamping groove. The automobile rear-end collision prevention and driving door reminding early warning device reads partial parameters in a driving computer by using an OBD (on-board diagnostics) decoder to calculate the motion state of an automobile; detecting an obstacle behind the automobile by using a millimeter wave radar; the humanized voice reminding and LED indicating lamp flickering reminding functions; therefore, the invention has good utilization value and market popularization value.

Description

Vehicle door opening warning device, vehicle door opening warning system, vehicle door opening warning method

technical field

The invention belongs to the technical field of automobile early warning, and in particular relates to an automobile door opening early warning device, an automobile door opening early warning system, and an automobile door opening early warning method.

Background technique

There are often some novice car owners and careless drivers. When braking, they often only look at the front of the car, and then slam the brakes. , do not pay attention to the traffic situation behind the vehicle, which will easily cause rear-end traffic accidents due to the untimely evasion of the rear vehicles. Observe the traffic conditions behind the vehicle, and then open the door suddenly, causing other cars or motorcycles, electric vehicles, bicycles, etc. to dodge in a hurry, and directly hit the door, causing casualties and property damage from time to time. In order to reduce the occurrence of such tragic incidents to a certain extent, and at the same time, in order to cultivate good driving habits of drivers through frequent reminders, we have developed this device to remind and warn drivers and passengers in the car, We hope that this product can help reduce the occurrence of such traffic accidents to a certain extent, and at the same time enable drivers and passengers to develop good habits involuntarily.

Contents of the invention

The object of the present invention is to provide a car door opening warning device, a car door opening warning system, and a car door opening warning method, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the present invention provides the following technical solutions: a car anti-rear collision and door opening reminder early warning equipment, including a control device, a millimeter wave radar and a power plug, the tail of the power plug is provided with an OBD decoder, and the The power plug is electrically connected to the OBD decoder, the OBD decoder is electrically connected to the control device through the transmission line, the millimeter wave radar is electrically connected to the control device through the transmission line, and the control device includes a box body, a voice player, PCB board and bottom shell cover plate, the inner bottom of the box body is provided with a switch, the voice player is installed on the upper end of the switch, the PCB board is fixed on the upper end of the voice player, and the bottom shell cover plate passes through the card The groove is fixedly connected with the box body.

Preferably, the PCB board includes a PCB control board and a GPS board, and a GPS positioning antenna module is installed on the GPS board.

Preferably, one end of the millimeter-wave radar is installed with a stainless steel fixed mounting plate.

The present invention also provides a car door opening warning system, which includes a control box, and a central processor electrically connected to the control device of the car door opening warning device is arranged in the control box;

The signal input terminals of the central processing unit are respectively connected with the front-view camera, the rear-view camera, the right camera and the left camera for collecting video signals, and the signal output terminals of the millimeter-wave radar that are used for collecting distance signals. Connected, after the conversion of the A/D conversion module, the central processing will analyze and process the collected data signals;

The electric control output terminals of the central processing unit are respectively electrically connected with the electric control input terminals of the car door 1, car door 2, car door 3 and car door 4 and the alarm device arranged in the car doors, and are used to control the opening or forced locking of the car doors and Whether the alarm is an alarm reminder.

Preferably, the front-view camera, rear-view camera, right camera and left camera all adopt wide-angle high-definition cameras.

The present invention also provides a car door opening warning method, comprising the following steps:

S1. Brake signal acquisition: When the brake pedal is stepped on, the brake warning light at the rear of the car will be energized to work. The tail brake warning light is synchronized with our stepping on the brake pedal. Use a cable to connect to the positive and negative poles of the brake warning light. Provide brake signals for the equipment, and detect the running status of the vehicle through the OBD decoder;

S2. The monitoring equipment is turned on: when the vehicle brakes, the front-view camera, rear-view camera, right camera, left camera, and millimeter-wave radar set up at the front and rear are turned on to collect and detect the video information and distance information of the surrounding obstacles. And pass it to the central processing unit for analysis and processing through the signal output terminal;

S3, analyze and process and execute corresponding operation instructions: after the central processor analyzes and processes the collected video information and distance information, the action instructions of the central processor are sent to the first door, the second door, the third door and the fourth door through its electronic control output terminal And the alarm, if any one or several of the car door one, car door two, car door three, and car door four have obstacles in its front or rear, the central processing unit will control the door to be forcibly locked, and the alarm device arranged in the car door will not Alarm; when there is no obstacle around the door or the obstacle is removed, the door can be opened freely.

The technical effects and advantages of the present invention: the car anti-rear-end collision and door opening reminder early warning equipment uses the OBD decoder to read some parameters in the driving computer to calculate the motion state of the car; Obstacles; humanized voice reminder and LED indicator flashing reminder function; therefore, the present invention has good utilization value and market promotion value.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is an exploded view of the present invention;

Fig. 3 is a working principle diagram of the present invention;

Fig. 4 is a circuit diagram of the present invention.

In the figure: 1 control device, 2 millimeter wave radar, 3 power plug, 4 OBD decoder, 5 transmission line, 6 box body, 7 voice player, 8 PCB board, 9 bottom shell cover plate, 10 switch, 11 stainless steel fixed installation plate.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The present invention provides a car rear-end collision prevention and door opening warning and early warning equipment as shown in Figure 1-3, comprising a control device 1, a millimeter-wave radar 2 and a power plug 3, one end of the millimeter-wave radar 2 is fixed with a stainless steel Mounting plate 11; the tail of the power plug 3 is provided with an OBD decoder 4, and the power plug 3 is electrically connected to the OBD decoder 4, and the OBD decoder 4 is electrically connected to the control device 1 through a transmission line 5, The millimeter-wave radar 2 is electrically connected to the control device 1 through the transmission line 5. The control device 1 includes a box body 6, a voice player 7, a PCB board 8 and a bottom shell cover plate 9. The inner bottom of the box body 6 A switch 10 is provided, the voice player 7 is installed on the upper end of the switch 10, and the PCB board 8 is fixed on the upper end of the voice player 7, and the PCB board 8 includes a PCB control board and a GPS board, and the GPS board A GPS positioning antenna module is installed; the bottom case cover plate 9 is fixedly connected with the box body 6 through a card slot.

As shown in Figure 3, the present invention also provides a car door opening warning system, including a control box, the control box is provided with a central processor electrically connected to the control device of the car door opening warning device;

The signal input terminals of the central processing unit are respectively connected with the front-view camera, the rear-view camera, the right camera and the left camera for collecting video signals, and the signal output terminals of the millimeter-wave radar that are used for collecting distance signals. Connected, after the conversion of the A/D conversion module, the central processing will analyze and process the collected data signals;

The electric control output terminals of the central processing unit are respectively electrically connected with the electric control input terminals of the car door 1, car door 2, car door 3 and car door 4 and the alarm device arranged in the car doors, and are used to control the opening or forced locking of the car doors and Whether the alarm is an alarm reminder.

Preferably, the front-view camera, rear-view camera, right camera and left camera all adopt wide-angle high-definition cameras.

The present invention also provides a car door opening warning method, comprising the following steps:

S1. Brake signal acquisition: When the brake pedal is stepped on, the brake warning light at the rear of the car will be energized to work. The tail brake warning light is synchronized with our stepping on the brake pedal. Use a cable to connect to the positive and negative poles of the brake warning light. Provide brake signals for the equipment, and detect the running status of the vehicle through the OBD decoder;

S2. The monitoring equipment is turned on: when the vehicle brakes, the front-view camera, rear-view camera, right camera, left camera, and millimeter-wave radar set up at the front and rear are turned on to collect and detect the video information and distance information of the surrounding obstacles. And pass it to the central processing unit for analysis and processing through the signal output terminal;

S3, analyze and process and execute corresponding operation instructions: after the central processor analyzes and processes the collected video information and distance information, the action instructions of the central processor are sent to the first door, the second door, the third door and the fourth door through its electronic control output terminal And the alarm, if any one or several of the car door one, car door two, car door three, and car door four have obstacles in its front or rear, the central processing unit will control the door to be forcibly locked, and the alarm device arranged in the car door will not Alarm; when there is no obstacle around the door or the obstacle is removed, the door can be opened freely.

Working process and principle:

1. When the brake pedal is stepped on, the brake warning light at the rear of the car will be energized to work. This tail brake warning light is synchronized with our stepping on the brake pedal, so we can directly connect it to the ± pole of the brake warning light with a cable. Provides a brake signal to our device.

2. Detect and judge the movement state of the car

The present invention utilizes OBD decoder 4 to read the speed parameters in the driving computer to measure and calculate the running state of the car. When the moving state of our car changes from motion to static, we can judge that the next step of the driver and passengers should be It’s time to open the door and get off the car (Of course, there will be certain misjudgments by using this calculation, for example, we are waiting for traffic lights or pulling over to wait for someone. If we open the door and get off the car, there will be false alarms here. If we interpret the door closing signal in the driving computer through the OBD decoder 4 to comprehensively calculate the early warning, it will be very accurate and there will be no possibility of false alarms, but , according to the behavior habits of many people, most people directly push open the car door while opening the car door. At this time, even if our equipment synchronizes the early warning, it is estimated that it is not in a hurry. Therefore, we consider comprehensively, Before the car stops and the driver or passengers in the car rush to push the door, it is necessary to give an early warning and reminder. Since none of them can be 100% accurate, then we choose to have some false alarms rather than false positives. Early warning is required), and the OBD decoder 4 can also be connected to power our equipment.

3. Use millimeter wave radar 2 to detect obstacles behind the car

In the present invention, a millimeter-wave radar 2 is installed at the rear of the car. When the ultrasonic wave emitted by the millimeter-wave radar 2 encounters an obstacle, the signal is fed back, and then the IC chip of the device can know whether there is an obstacle in the rear through calculation. near the rear of the car.

4. Comprehensive analysis and reminder warning

When our equipment passes comprehensive detection and calculation analysis, it is confirmed that the car has changed from a moving state to a stationary state. At the same time, the rear ultra-millimeter wave radar 2 also detects that there is an obstacle approaching the car. At this time, the "door opening reminder and early warning device" will send out reminders and alarms.

5. Humanized voice reminder and LED indicator flashing reminder function

(1) When the driver depresses the brake pedal, the car anti-rear-end collision and door opening reminder warning device will start the anti-rear-end collision reminder function. At this time, the red LED light on our device will work and send out a red danger signal (this The device is adsorbed on the front windshield of the car. We recommend that the user attach the device to the side of the base where the interior rearview mirror and the windshield are fixed, so that firstly, it will not affect the appearance and block the driver's sight. Second, Since the position of the warning light and the interior rearview mirror is very close, the warning indicator light can guide the driver's eyes to observe the rearview mirror to a certain extent), and at the same time, our device will issue a voice to remind the driver: " Watch out for vehicles behind you."

(2) After the comprehensive analysis and judgment of this equipment, if there are other motor vehicles or non-motor vehicles approaching the vehicle, our equipment will stop at the moment when the vehicle just stops (that is, the state of motion of the vehicle changes from a state of motion to a state of zero) , before the driver or passenger in the car has come to open the door, the device will issue a voice prompt: "Stop and open the door, please pay attention to the pedestrians and vehicles behind", and at the same time, the LED indicator light on the device will also flash quickly. Synchronously remind the passengers in the car to pay attention to the pedestrians and vehicles behind, and open the door carefully.

6. Modular expansion

The present invention can be used independently, and can also be loaded into a driving recorder, an electronic dog and other equipment of a car, so as to realize multi-functional integration.

Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still It is possible to modify the technical solutions recorded in the foregoing embodiments, or to perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. within the spirit and principles of the present invention shall be included in the within the protection scope of the present invention.

Claims (6)

1. a kind of automobile door opening source of early warning, including control device (1), millimetre-wave radar (2) and attaching plug (3), its feature It is：The afterbody of the attaching plug (3) is provided with OBD decoders (4), and the attaching plug (3) and OBD decoders (4) electricity Property connection, the OBD decoders (4) are electrically connected with by transmission line (5) and control device (1), and the millimetre-wave radar (2) is logical Cross transmission line (5) to be electrically connected with control device (1), the control device (1) includes box body (6), speech player (7), PCB Plate (8) and drain pan cover plate (9), the inner bottom part of the box body (6) are provided with switch (10), and the speech player (7) is arranged on and opened Close the upper end of (10), the pcb board (8) is fixed on the upper end of speech player (7), the drain pan cover plate (9) by neck with Box body (6) is fixedly connected.

2. automobile door opening source of early warning according to claim 1, it is characterised in that：The pcb board (8) controls including PCB Plate and GPS plates, GPS location Anneta module is installed on the GPS plates.

3. automobile door opening source of early warning according to claim 1, it is characterised in that：One end of the millimetre-wave radar (2) Stainless steel is installed plate (11) is fixedly mounted.

A kind of 4. automobile door opening early warning system, it is characterised in that：Including control box, it is provided with the control box and claim The central processing unit that the control device of automobile door opening source of early warning any one of 1 to 3 is electrically connected with；

The signal input part of the central processing unit respectively with the forward sight camera for gathering vision signal, rearview camera, Right side camera and left side camera and for the signal output for gathering the millimetre-wave radar set before and after distance signal End connection, central processing analyzes and processes to the data-signal of collection after the conversion of A/D modular converters；

The automatically controlled output end of the central processing unit is respectively with car door one, car door two, car door three and car door four and being arranged on car The automatically controlled input of alarm in door is electrically connected with, for controlling car door opening or forcing whether pinning and alarm are reported It is alert to remind.

5. automobile door opening early warning system according to claim 4, it is characterised in that：The forward sight camera, rear-camera Head, right side camera and left side camera use wide-angle high-definition camera.

6. the automobile door opening method for early warning described in a kind of claim 1-3 and claim 4-5, it is characterised in that including with Lower step：

S1, brake signal collection：When brake pedal is stepped on, the brake alarming lantern festival energization work of automobile tail, afterbody It with our pedals that touch on the brake is synchronous that brake warning lamp, which is, is connected to cable on the both positive and negative polarity of brake warning lamp come to set The standby signal that brake is provided, and the state run by OBD decoders to vehicle detects；

S2, monitoring device are opened：When vehicle brake, forward sight camera, rearview camera, right side camera, left side camera To be opened with the millimetre-wave radar of front and rear setting, video information and range information to the barrier of surrounding are acquired detection, And central processing unit is passed to by signal output part and analyzed and processed；

S3, analyzing and processing simultaneously perform corresponding operating instruction：Central processing unit is carried out to the video information and range information of collection After analyzing and processing, the action command of central processing unit sends car door one, car door two, car door three, car door by its automatically controlled output end Four and alarm, if any one in car door one, car door two, car door three, car door four either several in front of it or after There is barrier side, and central processing unit can control car door to force to pin, and the alarm being arranged in car door is simultaneously alarmed；Treat car It is not present around door after barrier or barrier elimination, car door can be opened freely.