CN214647941U - Automobile door opening anti-collision system - Google Patents
Automobile door opening anti-collision system Download PDFInfo
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- CN214647941U CN214647941U CN202120489113.8U CN202120489113U CN214647941U CN 214647941 U CN214647941 U CN 214647941U CN 202120489113 U CN202120489113 U CN 202120489113U CN 214647941 U CN214647941 U CN 214647941U
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Abstract
The utility model relates to an automobile door opening anti-collision system, which comprises a detection unit, an intelligent control unit, a door lock alarm braking unit and a power supply unit, wherein the detection unit detects whether the left side and the right side of an automobile are in danger of opening the door or not, transmits detection data to the intelligent control unit, outputs signals to control the door lock alarm braking unit through the analysis and the processing of the intelligent control unit, and the power supply unit uniformly supplies power to the intelligent control unit, the detection unit and the door lock alarm braking unit; the utility model discloses a capacitance sensing touch switch and radar detection device have realized the in time function that detects that the car opened the door, and high-speed operation through singlechip ARM in time makes the judgement, carries out output function, has realized the warning of opening the door and the lock function that promptly falls of car, and adopts the power supply one to be equipped with the mode and for subsequent power supply and maintenance provide the assurance, has finally guaranteed the safety of opening the door of car, avoids the emergence of incident.
Description
Technical Field
The utility model relates to a traffic safety technical field especially relates to an automobile door opening collision avoidance system.
Background
Along with the increasing population of automobiles and electric vehicles, the complexity of traffic environment is increased, the importance of automobile safety problems to consumers is more and more prominent, the market demand of active safety technology is more and more urgent, and the understanding of safety technology not only shows the protection of drivers, but also guarantees the safety of passengers in the automobiles, pedestrians and vehicles outside the automobiles.
In recent years, there have been news reports of safety accidents caused by careless opening of doors of vehicles, and the safety accidents are easily scratched and seriously dangerous to lives. Such accidents are mostly caused by the fact that the driver or passenger driving the vehicle does not observe the movement track and speed of the vehicle passenger coming to or going from behind.
Therefore, in order to avoid such accidents, necessary measures are needed to solve such problems, and research on such problems has been started since long time ago, for example, car door opening anti-collision radar (CN110450716A), a micro switch is installed at the movable end of a door handle, and an external horn antenna is installed. Therefore, the vehicle door opening prevention device not only needs to be provided with a signal for prompting personnel outside the vehicle, but also needs to be provided with a prompt for personnel inside the vehicle, and can really avoid the door opening accident by preventing the door from being opened in a dangerous emergency.
Disclosure of Invention
The utility model provides an automobile anticollision system that opens door is applied to car door handle with electric capacity response touch switch, and the personnel do not wait hand contact door handle and just can detect the intention of opening the door in the realization car, and whether recycle this utility model discloses a radar detection device accurately detects outside vehicle and personnel in danger range, realizes the inside and outside pronunciation of car and light warning, can guarantee the function of the anticollision system that opens door through the door lock that falls at last, and the entire system supplies power in addition, does not need to consume the car battery.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an automobile door opening anti-collision system, includes detecting element, intelligent control unit, lock warning braking unit and electrical unit, detecting element detects whether there is the danger of opening the door in the left and right sides of car, gives intelligent control unit with detection data transmission, through intelligent control unit's analysis and processing, output signal control lock warning braking unit, electrical unit gives intelligent control unit, detecting element and lock warning braking unit power supply in unison.
The detection unit comprises a capacitance induction touch switch and a radar detection device, and the radar is divided into a rearview radar, a vehicle tail radar and a vehicle head radar; the capacitive sensing touch switch is arranged at a door handle of the vehicle and used for detecting whether an operator in the door makes a gesture of opening the door or not, and which door is to be opened; the radar detection device is used for detecting whether people exist on two sides of the vehicle or the vehicle is in a dangerous area.
The intelligent control unit adopts an ARM single chip microcomputer and is connected with the capacitance sensing touch switch and the radar detection device.
The door lock alarming and braking unit comprises a sound prompt device, a car light prompt device and a car door lock control device, when the intelligent control unit outputs a car door to open a dangerous signal, the door lock alarming and braking unit sends out a voice prompt, the car light prompt device enables the car lights to be turned on in a double flashing mode, people and cars inside and outside the car are warned, and meanwhile, the car door lock control device selects different car doors to execute a lock falling instruction.
The power supply unit comprises a power supply A and a power supply B, wherein the power supply A is used as a power supply, the power supply B is used as a standby power supply, and power is still supplied after the car key is pulled out.
The automobile door opening anti-collision system comprises the following steps:
the method comprises the following steps: acquiring a capacitive sensing touch switch signal on an automobile door handle;
step two: the reverse mirror radar and the vehicle tail radar detection radar detect the instantaneous distance of people and vehicles behind two sides of the vehicle body by using radar signals, and the vehicle head radar detects the instantaneous distance of people and vehicles in front of two sides of the vehicle body;
step three: transmitting the capacitance touch switch signal and the instantaneous distance detected by the radar to the singlechip in real time;
step four: analyzing and calculating the instantaneous distance detected by the radar detection device in the intelligent control unit to obtain whether people and vehicles on two sides of the vehicle body are in a dangerous range of opening the door;
step five: on the premise that the capacitive sensing touch switch is switched on, if people and vehicles on two sides of the vehicle body are in a dangerous range of opening the door in the fourth step, the intelligent control unit executes an output signal;
step six: after the intelligent control unit executes the output signal, the voice prompt equipment in the automobile sends out door opening warning to personnel in the automobile, the automobile lamp prompt equipment is switched on, the automobile starts double-flash to prompt people at two sides of the automobile body to notice, and the automobile door lock control equipment selects different doors to execute a lock-falling instruction to prevent danger;
step seven: the capacitive sensing touch switch signal and whether the two signals of people and vehicles on two sides of the vehicle body are in a dangerous range or not are disconnected, and a door lock of a vehicle door is unlocked immediately.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the capacitive sensing touch switch can penetrate through the insulating material shell by more than 20mm (glass, plastic and the like), so that effective touch of fingers can be accurately detected, and timely and accurate signals are ensured;
2) the safety accidents are avoided in all directions by effectively combining the vehicle head radar, the vehicle tail radar, the rearview radar and the single chip microcomputer;
3) and the judgment and the lock falling of the danger ranges of different doors of the automobile are carried out, so that the effective safe anti-collision function of opening the door of the automobile is realized.
4) One supplies one and has equipped with the mode and guaranteed this utility model whether pulling out the car key or one of them power can all last the power supply under unusual, does not consume the battery of car, and it is convenient to change.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Figure 2 is the ARM single chip circuit diagram of the present invention.
Fig. 3 is a flow chart of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
the utility model provides an automobile door opening anti-collision system, includes detecting element, intelligent control unit, lock warning braking unit and electrical unit, detecting element detects whether there is the danger of opening the door in the left and right sides of car, gives intelligent control unit with detection data transmission, through intelligent control unit's analysis and processing, output signal control lock warning braking unit, electrical unit gives intelligent control unit, detecting element and lock warning braking unit power supply in unison.
The detection unit comprises a capacitance induction touch switch and a radar detection device, and the radar is divided into a rearview radar, a vehicle tail radar and a vehicle head radar; the capacitance induction touch switch is used for detecting whether a person in the door makes a gesture of opening the door or not and which door is to be opened; the radar detection device is used for detecting whether people and vehicles are in a dangerous area or not; the head of the vehicle is provided with four radars which respectively detect vehicles coming from and going to the front, and whether the vehicles come from the front of the left side or the front of the right side is judged according to different detection distances of the four radars; and judging whether the door is in the dangerous area of the door to be opened or not according to the distance between the tail radar and the rearview radar of the vehicle to detect the people and the vehicles behind.
The intelligent control unit adopts an ARM single chip microcomputer, is connected with the capacitance sensing touch switch and the radar detection device, and preferably selects an STM32F103T8U6 chip.
The door lock alarming and braking unit comprises a sound prompt device, a car light prompt device and a car door lock control device, when the intelligent control unit outputs a car door to open a dangerous signal, the door lock alarming and braking unit sends out a voice prompt, the car light prompt device enables the car lights to be turned on in a double flashing mode, people and cars inside and outside the car are warned, and meanwhile, the car door lock control device selects different car doors to execute a lock falling instruction.
The power supply unit comprises a power supply A and a power supply B, wherein the power supply A is used as a power supply, the power supply B is used as a standby power supply, the power supply is still supplied after a car key is pulled out, when the power supply A is abnormal, the power supply A is immediately switched to the power supply B, the power supply A can be detached for maintenance or replacement, and the power supply A is different from a storage battery of a replaced car.
The automobile door opening anti-collision system comprises the following steps:
the method comprises the following steps: acquiring a capacitive sensing touch switch signal on an automobile door handle;
step two: the reverse mirror radar and the vehicle tail radar detection radar detect the instantaneous distance of people and vehicles behind two sides of the vehicle body by using radar signals, and the vehicle head radar detects the instantaneous distance of people and vehicles in front of two sides of the vehicle body;
step three: transmitting the capacitance touch switch signal and the instantaneous distance detected by the radar to the singlechip in real time;
step four: analyzing and calculating the instantaneous distance detected by the radar detection device in the intelligent control unit to obtain whether people and vehicles on two sides of the vehicle body are in a dangerous range of opening the door;
step five: on the premise that the capacitive sensing touch switch is switched on, if people and vehicles on two sides of the vehicle body are in a dangerous range of opening the door in the fourth step, the intelligent control unit executes an output signal;
step six: after the intelligent control unit executes the output signal, the voice prompt equipment in the automobile sends out door opening warning to personnel in the automobile, the automobile lamp prompt equipment is switched on, the automobile starts double-flash to prompt people at two sides of the automobile body to notice, and the automobile door lock control equipment selects different doors to execute a lock-falling instruction to prevent danger;
step seven: the capacitive sensing touch switch signal and whether the two signals of people and vehicles on two sides of the vehicle body are in a dangerous range or not are disconnected, and a door lock of a vehicle door is unlocked immediately.
The following examples are carried out on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the following examples. The methods used in the following examples are conventional methods unless otherwise specified.
[ examples ] A method for producing a compound
As shown in fig. 1, the power supply unit supplies power to the detection unit, the intelligent control unit and the door lock alarm brake unit of the utility model in a collective manner, so as to ensure that the equipment of the utility model is continuously supplied with power regardless of whether the car key is pulled out or not, if the power supply unit A is switched to supply power to the power supply B, the power supply A can be detached, replaced or maintained; the detection unit comprises a capacitance induction touch switch and a radar detection device, and the radar is divided into a rearview radar, a vehicle tail radar and a vehicle head radar; the door lock alarm braking unit comprises a sound prompt device, a car light prompt device and an automobile door lock control device; the detection unit transmits detection signals to the intelligent control unit in a unified mode, and the intelligent control unit sends an output instruction to the door lock alarm braking unit through analysis and processing.
Like in figure 3 detecting element's capacitance-sensing touch switch and radar detection device all with detected signal transfer to intelligent control unit's ARM singlechip, carry out the analysis in the singlechip, at first judge whether personnel in the car will open the door, it is which door to open, judge whether in the danger scope of this door according to the distance signal that radar detection device detected again, if there is voice prompt in the dangerous scope of this door in the car, the vehicle carries out the double flash, and carry out the lock instruction to this door, guarantee the safety of opening the door of car.
Claims (5)
1. The utility model provides an automobile door opening anti-collision system, its characterized in that, includes detecting element, intelligent control unit, lock warning braking unit and electrical unit, detecting element detects whether the left and right sides of car has the danger of opening the door, gives intelligent control unit with detection data transmission, through intelligent control unit's analysis and processing, output signal control lock warning braking unit, electrical unit gives intelligent control unit, detecting element and lock warning braking unit power supply in unison.
2. The automobile door opening anti-collision system according to claim 1, wherein the detection unit comprises a capacitance sensing touch switch and a radar detection device, and the radar is further divided into a rearview radar, a tail radar and a head radar; the capacitive sensing touch switch is arranged at a door handle of the vehicle and used for detecting whether an operator in the door makes a gesture of opening the door or not, and which door is to be opened; the radar detection device is used for detecting whether people exist on two sides of the vehicle or the vehicle is in a dangerous area.
3. The automobile door opening anti-collision system according to claim 1, wherein the intelligent control unit is an ARM single chip microcomputer, and is connected with the capacitance sensing touch switch and the radar detection device.
4. The automobile door opening anti-collision system according to claim 1, wherein the door lock alarm braking unit comprises a sound prompt device, a car light prompt device and an automobile door lock control device, when the intelligent control unit outputs a danger signal that a car door is opened, the sound prompt device sends out a sound prompt, the car light prompt device enables the car light to flash up, the warning is given to people and cars inside and outside the car, and meanwhile, the automobile door lock control device selects different car doors to execute a lock falling instruction.
5. The automobile door opening anti-collision system according to claim 1, wherein the power supply unit comprises a power supply A and a power supply B, the power supply A is used as a power supply, the power supply B is used as a standby power supply, and power is still supplied after a key of an automobile is pulled out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120489113.8U CN214647941U (en) | 2021-03-08 | 2021-03-08 | Automobile door opening anti-collision system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120489113.8U CN214647941U (en) | 2021-03-08 | 2021-03-08 | Automobile door opening anti-collision system |
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| Publication Number | Publication Date |
|---|---|
| CN214647941U true CN214647941U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120489113.8U Active CN214647941U (en) | 2021-03-08 | 2021-03-08 | Automobile door opening anti-collision system |
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| CN (1) | CN214647941U (en) |
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2021
- 2021-03-08 CN CN202120489113.8U patent/CN214647941U/en active Active
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