CN112810534A - Automobile door opening anti-collision system - Google Patents

Automobile door opening anti-collision system Download PDF

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Publication number
CN112810534A
CN112810534A CN202110251474.3A CN202110251474A CN112810534A CN 112810534 A CN112810534 A CN 112810534A CN 202110251474 A CN202110251474 A CN 202110251474A CN 112810534 A CN112810534 A CN 112810534A
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CN
China
Prior art keywords
automobile
door
radar
power supply
intelligent control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110251474.3A
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Chinese (zh)
Inventor
王齐
杨丹丹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liaoning Branch Of World Science And Technology Co ltd
Original Assignee
Shenyang Renhe Chelian Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Priority to CN202110251474.3A priority Critical patent/CN112810534A/en
Publication of CN112810534A publication Critical patent/CN112810534A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q9/00Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/46Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for giving flashing caution signals during drive, other than signalling change of direction, e.g. flashing the headlights or hazard lights
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/03Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/08Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/40Safety devices, e.g. detection of obstructions or end positions
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/80Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/92Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Abstract

The invention 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 analysis and 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 invention adopts the capacitance induction touch switch and the radar detection device to realize the function of timely detecting the opening of the automobile, timely makes judgment through the high-speed operation of the singlechip ARM, executes the output function, realizes the functions of alarming the opening of the automobile and emergently locking the automobile, adopts a power supply one-supply-one-standby mode to provide guarantee for subsequent power supply and maintenance, finally ensures the safety of the opening of the automobile, and avoids the occurrence of safety accidents.

Description

Automobile door opening anti-collision system
Technical Field
The invention relates to the technical field of traffic safety, in particular to an automobile door opening anti-collision 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 invention provides an automobile door opening anti-collision system, wherein a capacitance sensing touch switch is applied to an automobile door handle, so that the purpose that people in an automobile can detect the intention of opening the door without waiting for hands to contact the door handle is realized, a radar detection device disclosed by the invention is utilized to accurately detect whether vehicles and people outside the automobile are in a dangerous range, the voice and light alarm inside and outside the automobile is realized, the function of the door opening anti-collision system can be ensured through the falling lock of the automobile door, the whole system is additionally powered, and the automobile storage battery is not consumed.
In order to achieve the purpose, the invention 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 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 dangerous areas on two sides of the vehicle.
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 invention has the beneficial effects 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) The power supply-standby mode ensures that the invention can continuously supply power no matter whether the automobile key is pulled off or one of the power supplies is abnormal, does not consume the storage battery of the automobile, and is convenient to replace.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a circuit diagram of the ARM single chip microcomputer.
Fig. 3 is a flow chart of the present invention.
Detailed Description
The following further describes embodiments of the present invention 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 scheme of the invention, and detailed embodiments and specific operation processes are given, but the scope of the 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 for the detection unit, the intelligent control unit and the door lock alarm brake unit of the invention in a collective manner, so that the power supply unit A can be immediately switched to the power supply B to supply power if an abnormal condition occurs, and the power supply A can be detached, replaced or maintained no matter whether the automobile key is pulled out of the device of the invention or not; 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 (6)

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 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 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.
6. A method for preventing collision when an automobile opens a door, which is characterized in that the automobile opening collision prevention system of claims 1 to 5 is adopted, and 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.
CN202110251474.3A 2021-03-08 2021-03-08 Automobile door opening anti-collision system Pending CN112810534A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110251474.3A CN112810534A (en) 2021-03-08 2021-03-08 Automobile door opening anti-collision system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110251474.3A CN112810534A (en) 2021-03-08 2021-03-08 Automobile door opening anti-collision system

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201538279U (en) * 2009-10-15 2010-08-04 王翰章 Vehicle door opening safety monitoring device
CN203713683U (en) * 2013-12-17 2014-07-16 蔡锡铙 Door opening safety attention device of vehicle
CN104442664A (en) * 2014-11-04 2015-03-25 李志飞 Vehicle door opening safety pre-warning assisting system and control method thereof
KR101759020B1 (en) * 2016-02-05 2017-07-18 인하대학교 산학협력단 Apparatuis and method for providing automatic alarm for hazardous situation according to the open-door of the vehicle
CN107554421A (en) * 2017-09-20 2018-01-09 高小翎 A kind of opening door of vehicle safety early warning device
US20190211587A1 (en) * 2018-01-09 2019-07-11 Visteon Global Technologies, Inc. Safety system for preventing a vehicle door from opening into traffic
CN112384407A (en) * 2018-07-10 2021-02-19 宁波吉利汽车研究开发有限公司 Vehicle comprising a door opening warning system
CN214647941U (en) * 2021-03-08 2021-11-09 沈阳人与车联科技有限公司 Automobile door opening anti-collision system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201538279U (en) * 2009-10-15 2010-08-04 王翰章 Vehicle door opening safety monitoring device
CN203713683U (en) * 2013-12-17 2014-07-16 蔡锡铙 Door opening safety attention device of vehicle
CN104442664A (en) * 2014-11-04 2015-03-25 李志飞 Vehicle door opening safety pre-warning assisting system and control method thereof
KR101759020B1 (en) * 2016-02-05 2017-07-18 인하대학교 산학협력단 Apparatuis and method for providing automatic alarm for hazardous situation according to the open-door of the vehicle
CN107554421A (en) * 2017-09-20 2018-01-09 高小翎 A kind of opening door of vehicle safety early warning device
US20190211587A1 (en) * 2018-01-09 2019-07-11 Visteon Global Technologies, Inc. Safety system for preventing a vehicle door from opening into traffic
CN112384407A (en) * 2018-07-10 2021-02-19 宁波吉利汽车研究开发有限公司 Vehicle comprising a door opening warning system
CN214647941U (en) * 2021-03-08 2021-11-09 沈阳人与车联科技有限公司 Automobile door opening anti-collision system

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