CN105863404B - Device for preventing collision accident caused when automobile door is opened - Google Patents

Device for preventing collision accident caused when automobile door is opened Download PDF

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Publication number
CN105863404B
CN105863404B CN201610368205.4A CN201610368205A CN105863404B CN 105863404 B CN105863404 B CN 105863404B CN 201610368205 A CN201610368205 A CN 201610368205A CN 105863404 B CN105863404 B CN 105863404B
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signal
resistor
vehicle door
pin
signal acquisition
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CN105863404A (en
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李进
沈德艳
刘洋洋
许自立
王宁宁
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Anhui University of Science and Technology
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Anhui University of Science and Technology
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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00Power-actuated vehicle locks
    • E05B81/54Electrical circuits
    • E05B81/56Control of actuators
    • E05B81/58Control of actuators including time control, e.g. for controlling run-time of electric motors
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00Power-actuated vehicle locks
    • E05B81/02Power-actuated vehicle locks characterised by the type of actuators used
    • E05B81/04Electrical
    • E05B81/06Electrical using rotary motors
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00Power-actuated vehicle locks
    • E05B81/54Electrical circuits
    • E05B81/64Monitoring or sensing, e.g. by using switches or sensors
    • E05B81/72Monitoring or sensing, e.g. by using switches or sensors the lock status, i.e. locked or unlocked condition
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00Power-actuated vehicle locks
    • E05B81/54Electrical circuits
    • E05B81/64Monitoring or sensing, e.g. by using switches or sensors
    • E05B81/76Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles

Abstract

The invention discloses a device for preventing a collision accident caused by opening an automobile door, which comprises a signal acquisition module, a control module and an execution module, wherein the signal acquisition module consists of an automobile door electronic lock signal acquisition part and an automobile door handle position signal acquisition part, and is used for acquiring an electric door lock main switch signal and an automobile door handle position signal and carrying out signal conversion; the control module is connected with the signal acquisition module, comprehensively processes the sensor signal acquired by the signal acquisition module and outputs a control signal; and the execution module is connected with the control module, processes the control signal output by the control module to control the door lock motor, and realizes the locking and unlocking of the door through the forward and reverse rotation of the motor. The device for preventing the collision accident caused by opening the automobile door has the advantages that the short time delay effect is realized in the opening process of the automobile door, the purpose of reminding passengers in the automobile to pay attention to pedestrians and vehicles behind the automobile is achieved, and the device has the characteristics of simplicity in operation, low cost and the like.

Description

Device for preventing collision accident caused when automobile door is opened
Technical Field
The invention relates to the technical field of automobile safety, in particular to a device for preventing a collision accident caused by opening an automobile door.
Background
When the vehicle door is opened, a small seam is tentatively opened, then the vehicle door is completely opened after safety is confirmed, and the vehicle is rapidly unloaded. However, traffic accidents caused by the rush of opening doors are rare in reality. The existing device for preventing accidents caused by opening of the automobile door generally delays the door opening speed by designing a mechanical locking device, or is additionally provided with an ultrasonic sensor, an infrared sensor and the like to detect pedestrians and vehicles around the automobile door so as to control whether the automobile door is opened or not. These methods require more complicated mechanical devices or electronic equipment, and are more costly.
Disclosure of Invention
The invention aims to provide a device for preventing a collision accident caused by opening an automobile door, which utilizes hardware resources equipped on the existing automobile, judges the door opening intention of a passenger through a hardware circuit and software, and has a short time delay effect in the process of opening the automobile door, so as to achieve the purpose of reminding the passenger in the automobile to pay attention to the pedestrian and the automobile behind the automobile.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a device for preventing collision accidents caused by opening of automobile door comprises a signal acquisition module, a control module and an execution module
The signal acquisition module consists of a vehicle door electronic lock signal acquisition part and a vehicle door handle position signal acquisition part and is used for acquiring a main switch signal of the electric door lock and a vehicle door handle position signal and carrying out signal conversion;
the control module is connected with the signal acquisition module and used for comprehensively processing the sensor signal acquired by the signal acquisition module, judging whether the electronic lock of the vehicle door is unlocked or not and outputting a control signal;
and the execution module is connected with the control module, processes the control signal output by the control module to control the door lock motor, and realizes locking and unlocking of the door through the forward and reverse rotation of the motor.
The vehicle door electronic lock signal acquisition part comprises an electric door lock main switch SW, a photoelectric isolator U2, a resistor R3 and a resistor R4, wherein the electric door lock main switch SW is a double-pole double-throw switch, a fixed contact of the electric door lock main switch SW is connected with a No. 1 terminal of the photoelectric isolator U2 through the resistor R3, a first group of pins of the electric door lock main switch SW are connected with a +12V power supply through the resistor R2 and a fuse FU and are also connected with a No. 2 terminal of the photoelectric isolator U2, a No. 3 terminal of the photoelectric isolator U2 is connected with a P1.4 pin of a single chip microcomputer U1 and is also connected with a +5V power supply through the resistor R4, and a No. 4 terminal of the photoelectric isolator U2 is grounded. When a passenger presses a button of the electronic door lock, the position of a main switch SW of the electric door lock is changed, the door can be judged to be in an unlocked or locked state according to different positions, and a photoelectric isolator U2 integrates the collected signals of the main switch SW of the electric door lock into high and low levels to be input into a P1.4 pin of a singlechip U1; when a passenger places the electronic lock button of the vehicle door at a locking position, the double-blade of the main switch SW of the electric door lock drives the first group of pins towards the right side to conduct the light emitting diode in the photoelectric isolator U2, and at the moment, a signal input to the P1.4 pin of the singlechip U1 is a low potential signal; when the passenger puts the door electronic lock button at the unlocking position, the double-pole of the electric door lock main switch SW is turned on the second group of pins at the left side, so that the light emitting diode in the photoelectric isolator U2 is cut off, and the signal input to the P1.4 pin of the singlechip U1 is a high-potential signal at the moment. Therefore, the state of the electronic lock of the vehicle door can be judged by detecting the input level of the P1.4 pin of the single chip microcomputer U1.
The vehicle door handle position signal acquisition part comprises a slide rheostat RV, an NPN type triode Q2, a resistor R1 and a resistor R6, wherein a slide contact of the slide rheostat RV is connected with a vehicle door handle shaft and moves along with the rotation of the vehicle door handle shaft for acquiring vehicle door handle position signals, one fixed end of the slide rheostat RV is connected with a +5V power supply and is also connected with a collector of the NPN type triode Q2 through a resistor R6, the other fixed end of the slide rheostat RV is grounded, the slide end of the slide rheostat RV is connected with a base of the NPN type triode Q2 through a resistor R1, an emitter of the NPN type triode Q2 is grounded, and a connecting point of a collector of the NPN type triode Q2 and a resistor R6 is connected with a P1.0 pin. The slide rheostat RV is used for collecting a position signal of a vehicle door handle, a slide contact of the slide rheostat RV is positioned at the lowest end of the slide rheostat RV in an initial state, the slide contact of the slide rheostat RV is connected with a vehicle door handle shaft and moves along with the rotation of the vehicle door handle shaft, when a passenger in a vehicle pulls a vehicle door handle, the slide contact of the slide rheostat RV moves upwards, when the passenger moves to a certain position, the passenger is judged to need to open the vehicle door, and after the passenger releases the vehicle door handle, the slide contact of the slide rheostat RV is in the initial state along with the rotation of the vehicle door handle shaft; the NPN type triode Q2 is used for converting the collected door handle position signal into high and low level and inputting the high and low level into a P1.0 pin of the single chip microcomputer U1. When the sliding contact of the sliding variable resistor RV is lower than a certain position, the base voltage of the NPN type triode Q2 is lower, the NPN type triode Q2 is cut off, and at the moment, a signal input to a P1.0 pin of the singlechip U1 is a high-potential signal; when the sliding contact of the sliding rheostat RV is higher than a certain position, the base voltage of the NPN triode Q2 enables the NPN triode Q2 to be conducted, and at the moment, a signal input to a P1.0 pin of the single chip microcomputer U1 is a low-potential signal. Therefore, whether the passenger manually pulls the door handle to open the door to a certain position can be judged by detecting the input level of the P1.0 pin of the singlechip U1.
The control module is a single-chip microcomputer U1 system, comprehensively judges whether to unlock the electronic lock of the vehicle door according to signals input by a pin P1.0 and a pin P1.4, delays for 1 second if unlocking is needed, and outputs a high-level signal by the pin P1.7; if the unlocking is not needed, a low level signal is directly output from the pin P1.7. Only when the electronic lock button of the vehicle door is in an unlocking state, the vehicle door handle is pulled to a certain position manually by a passenger, namely a low-potential signal is input by a pin P1.0 and a high-potential signal is input by a pin P1.4, the single chip microcomputer U1 judges that the vehicle door needs to be unlocked, and the high-level signal is output by a pin P1.7 after 1 second delay.
The execution module comprises an NPN type triode Q1 and a motor M, the base electrode of the NPN type triode Q1 is connected to a P1.7 pin of the single chip microcomputer U1 through a resistor R5, the collector electrode of the NPN type triode Q1 is connected with a +12V power supply through a resistor R2 and a fuse FU, the emitter electrode of the NPN type triode Q1 is connected with a second group of pins of the electric door lock main switch SW, and the fixed contact of the electric door lock main switch SW is connected with the motor M. The NPN type triode Q1 realizes unlocking control according to a P1.7 pin output signal of the single chip microcomputer U1, when the electronic lock of the vehicle door is in a locking state, and a P1.7 pin of the single chip microcomputer U1 outputs a low level, the NPN type triode Q1 is cut off, and the motor M does not work; when the electronic lock of the vehicle door is in an unlocking state and the P1.7 pin of the single chip microcomputer U1 outputs a high level, the NPN type triode Q1 is conducted, so that the motor M works to realize unlocking; the motor M realizes locking and unlocking of the electronic lock of the vehicle door, and when current flows through the motor M from right to left as shown in FIG. 2, the motor M rotates forwards to realize locking; when current flows through the motor M from left to right, the motor M is reversed, and unlocking is achieved.
The working principle of the invention is as follows: when the door is locked, the electronic lock button of the door is arranged at the locking position after the door is closed, and the locking can be realized through the work of the door lock motor; when the automobile door is unlocked, the automobile door electronic lock is placed in an unlocking state, the door lock motor does not act at the moment, when a passenger manually pulls the automobile door handle to a certain position, the control module controls the door lock motor to work after short time delay so as to realize unlocking, and then the automobile door can be manually opened. Thus, the door does not open immediately when the occupant first pulls the door handle, but rather a short time period has elapsed. Since the door cannot be opened for such a short time period but waits, it is possible to make the occupant in the vehicle recognize and have time to pay attention to the pedestrian and the purpose of the vehicle behind the vehicle.
Compared with the prior art, the invention has the following beneficial effects:
the device for preventing the collision accident caused by the opening of the automobile door judges the door opening intention of a passenger through a hardware circuit and software by utilizing the hardware resources equipped on the existing automobile, when the passenger presses a button of the electronic lock of the automobile door to unlock, the electronic lock is not unlocked immediately, but when the passenger manually pulls the handle of the automobile door to a certain position, the control module controls the motor of the door lock to work after short time delay to unlock, and then the automobile door can be manually opened, so that the aim of reminding the passenger in the automobile to pay attention to the pedestrian and the automobile behind the automobile is fulfilled.
Drawings
FIG. 1 is a functional block diagram of the present invention;
fig. 2 is a schematic circuit diagram of the present invention.
Detailed Description
The invention is further described below with reference to examples and figures.
Referring to fig. 1 and 2, the device for preventing the collision accident caused by the opening of the door of the automobile comprises a signal acquisition module, a control module and an execution module, wherein the signal acquisition module, the control module and the execution module are respectively connected with the signal acquisition module and the execution module
The signal acquisition module consists of a vehicle door electronic lock signal acquisition part and a vehicle door handle position signal acquisition part and is used for acquiring a main switch signal of the electric door lock and a vehicle door handle position signal and carrying out signal conversion;
the control module is connected with the signal acquisition module and used for comprehensively processing the sensor signal acquired by the signal acquisition module, judging whether the electronic lock of the vehicle door is unlocked or not and outputting a control signal;
and the execution module is connected with the control module, processes the control signal output by the control module to control the door lock motor, and realizes locking and unlocking of the door through the forward and reverse rotation of the motor.
The vehicle door electronic lock signal acquisition part comprises an electric door lock main switch SW, a photoelectric isolator U2, a resistor R3 and a resistor R4, wherein the electric door lock main switch SW is a double-pole double-throw switch, a fixed contact of the electric door lock main switch SW is connected with a No. 1 terminal of the photoelectric isolator U2 through the resistor R3, a first group of pins of the electric door lock main switch SW are connected with a +12V power supply through the resistor R2 and a fuse FU and are also connected with a No. 2 terminal of the photoelectric isolator U2, a No. 3 terminal of the photoelectric isolator U2 is connected with a P1.4 pin of a single chip microcomputer U1 and is also connected with a +5V power supply through the resistor R4, and a No. 4 terminal of the photoelectric isolator U2 is grounded. When a passenger presses a button of the electronic door lock, the position of a main switch SW of the electric door lock is changed, the door can be judged to be in an unlocked or locked state according to different positions, and a photoelectric isolator U2 integrates the collected signals of the main switch SW of the electric door lock into high and low levels to be input into a P1.4 pin of a singlechip U1; when a passenger places the electronic lock button of the vehicle door at a locking position, the double-blade of the main switch SW of the electric door lock drives the first group of pins towards the right side to conduct the light emitting diode in the photoelectric isolator U2, and at the moment, a signal input to the P1.4 pin of the singlechip U1 is a low potential signal; when the passenger puts the door electronic lock button at the unlocking position, the double-pole of the electric door lock main switch SW is turned on the second group of pins at the left side, so that the light emitting diode in the photoelectric isolator U2 is cut off, and the signal input to the P1.4 pin of the singlechip U1 is a high-potential signal at the moment. Therefore, the state of the electronic lock of the vehicle door can be judged by detecting the input level of the P1.4 pin of the single chip microcomputer U1.
The vehicle door handle position signal acquisition part comprises a slide rheostat RV, an NPN type triode Q2, a resistor R1 and a resistor R6, wherein a slide contact of the slide rheostat RV is connected with a vehicle door handle shaft and moves along with the rotation of the vehicle door handle shaft for acquiring vehicle door handle position signals, one fixed end of the slide rheostat RV is connected with a +5V power supply and is also connected with a collector of the NPN type triode Q2 through a resistor R6, the other fixed end of the slide rheostat RV is grounded, the slide end of the slide rheostat RV is connected with a base of the NPN type triode Q2 through a resistor R1, an emitter of the NPN type triode Q2 is grounded, and a connecting point of a collector of the NPN type triode Q2 and a resistor R6 is connected with a P1.0 pin. The slide rheostat RV is used for collecting a position signal of a vehicle door handle, a slide contact of the slide rheostat RV is positioned at the lowest end of the slide rheostat RV in an initial state, the slide contact of the slide rheostat RV is connected with a vehicle door handle shaft and moves along with the rotation of the vehicle door handle shaft, when a passenger in a vehicle pulls a vehicle door handle, the slide contact of the slide rheostat RV moves upwards, when the passenger moves to a certain position, the passenger is judged to need to open the vehicle door, and after the passenger releases the vehicle door handle, the slide contact of the slide rheostat RV is in the initial state along with the rotation of the vehicle door handle shaft; the NPN type triode Q2 is used for converting the collected door handle position signal into high and low level and inputting the high and low level into a P1.0 pin of the single chip microcomputer U1. When the sliding contact of the sliding variable resistor RV is lower than a certain position, the base voltage of the NPN type triode Q2 is lower, the NPN type triode Q2 is cut off, and at the moment, a signal input to a P1.0 pin of the singlechip U1 is a high-potential signal; when the sliding contact of the sliding rheostat RV is higher than a certain position, the base voltage of the NPN triode Q2 enables the NPN triode Q2 to be conducted, and at the moment, a signal input to a P1.0 pin of the single chip microcomputer U1 is a low-potential signal. Therefore, whether the passenger manually pulls the door handle to open the door to a certain position can be judged by detecting the input level of the P1.0 pin of the singlechip U1.
The control module is a single-chip microcomputer U1 system, comprehensively judges whether to unlock the electronic lock of the vehicle door according to signals input by a pin P1.0 and a pin P1.4, delays for 1 second if unlocking is needed, and outputs a high-level signal by the pin P1.7; if the unlocking is not needed, a low level signal is directly output from the pin P1.7. Only when the electronic lock button of the vehicle door is in an unlocking state, the vehicle door handle is pulled to a certain position manually by a passenger, namely a low-potential signal is input by a pin P1.0 and a high-potential signal is input by a pin P1.4, the single chip microcomputer U1 judges that the vehicle door needs to be unlocked, and the high-level signal is output by a pin P1.7 after 1 second delay.
The execution module comprises an NPN type triode Q1 and a motor M, the base electrode of the NPN type triode Q1 is connected to a P1.7 pin of the single chip microcomputer U1 through a resistor R5, the collector electrode of the NPN type triode Q1 is connected with a +12V power supply through a resistor R2 and a fuse FU, the emitter electrode of the NPN type triode Q1 is connected with a second group of pins of the electric door lock main switch SW, and the fixed contact of the electric door lock main switch SW is connected with the motor M. The NPN type triode Q1 realizes unlocking control according to a P1.7 pin output signal of the single chip microcomputer U1, when the electronic lock of the vehicle door is in a locking state, and a P1.7 pin of the single chip microcomputer U1 outputs a low level, the NPN type triode Q1 is cut off, and the motor M does not work; when the electronic lock of the vehicle door is in an unlocking state and the P1.7 pin of the single chip microcomputer U1 outputs a high level, the NPN type triode Q1 is conducted, so that the motor M works to realize unlocking; the motor M realizes locking and unlocking of the electronic lock of the vehicle door, and when current flows through the motor M from right to left as shown in FIG. 2, the motor M rotates forwards to realize locking; when current flows through the motor M from left to right, the motor M is reversed, and unlocking is achieved.
Initial state: the sliding contact of the sliding rheostat RV is located at the lowest end, at the moment, the NPN type triode Q2 is cut off, the potential of the P1.0 pin of the input single chip microcomputer U1 is a high potential signal, at the moment, the P1.7 pin of the single chip microcomputer U1 outputs a low level signal, and the NPN type triode Q1 is cut off.
During locking: after the door is closed, the electronic door lock button is pressed down to be in a locking position, namely, the double-blade of the electric door lock main switch SW is turned to the right, at the moment, current flows through a fuse FU, a resistor R2, the rightmost joint of the electric door lock main switch SW, the motor M, the electric door lock main switch SW and +12VGND in sequence from a +12V power supply, and the motor M rotates forwards in the process, so that the door is locked. At this time, the voltage at the left end of the resistor R3 is higher, so that the light emitting diode in the optoelectronic isolator U2 is turned on, the photodiode in the optoelectronic isolator U2 is turned on, the voltage at the left end of the resistor R4 is at a low level, the voltage at the P1.4 pin of the input single chip microcomputer U1 is at a low level, the P1.7 pin of the single chip microcomputer U1 outputs a low level signal, and the NPN type triode Q1 is turned off.
When unlocking: the electronic door lock button is pressed down to be in an unlocking position, namely, the double-pole of the main switch SW of the electronic door lock is turned to the left, and at the moment, the pin P1.7 of the single chip microcomputer outputs a low-level signal, so that the NPN type triode Q1 is cut off, and the motor M does not act. When a passenger pulls a door handle of a vehicle door, a sliding contact of the sliding rheostat RV moves from bottom to top, the voltage input by the base electrode of the NPN type triode Q2 is increased, when the sliding contact of the sliding rheostat RV reaches a certain position, the voltage input by the base electrode of the NPN type triode Q2 is increased to enable the NPN type triode Q2 to be conducted, and the potential input to a P1.0 pin of the singlechip U1 is low potential; meanwhile, the left end of the resistor R3 is connected with +12VGND, so that the light emitting diode in the photoelectric isolator U2 is cut off, the photosensitive diode in the photoelectric isolator U2 is cut off, the left end of the resistor R4 is at a high level, and the potential of the P1.4 pin of the input singlechip U1 is at a high level. Therefore, the singlechip U1 outputs a high-level signal through a P1.7 pin after delaying for 1 second; the signal is transmitted to the base electrode of an NPN type triode Q1 through a resistor R5 to enable the NPN type triode Q1 to be conducted, at the moment, current flows through a fuse FU, a resistor R2, the NPN type triode Q1, the leftmost connector of an electric door lock main switch SW, a motor M, the electric door lock main switch SW and a +12VGND in sequence from a +12V power supply, in the process, the motor M is reversed to enable the vehicle door to be unlocked, and the vehicle door can be opened.

Claims (1)

1. The utility model provides a device that causes collision accident when preventing car door is opened which characterized in that: comprises a signal acquisition module, a control module and an execution module
The signal acquisition module consists of a vehicle door electronic lock signal acquisition part and a vehicle door handle position signal acquisition part and is used for acquiring a main switch signal of the electric door lock and a vehicle door handle position signal and carrying out signal conversion;
the control module is connected with the signal acquisition module and used for comprehensively processing the sensor signal acquired by the signal acquisition module, judging whether the electronic lock of the vehicle door is unlocked or not and outputting a control signal;
the execution module is connected with the control module, processes the control signal output by the control module to control the door lock motor, and realizes locking and unlocking of the door through the forward and reverse rotation of the motor;
the vehicle door electronic lock signal acquisition part comprises an electric door lock main switch SW, a photoelectric isolator U2, a resistor R3 and a resistor R4, wherein the electric door lock main switch SW is a double-pole double-throw switch, a fixed contact of the electric door lock main switch SW is connected with a No. 1 terminal of a photoelectric isolator U2 through the resistor R3, a first group of pins of the electric door lock main switch SW are connected with a +12V power supply through the resistor R2 and a fuse FU and are also connected with a No. 2 terminal of the photoelectric isolator U2, a No. 3 terminal of the photoelectric isolator U2 is connected with a P1.4 terminal of a single chip microcomputer U1 and is also connected with a +5V power supply through the resistor R4, a No. 4 terminal of the photoelectric isolator U2 is grounded, and the photoelectric isolator U2 integrates the acquired electric door lock main switch SW signals into a high-low level P1.4 terminal which is input into the single chip microcomputer U1;
the vehicle door handle position signal acquisition part comprises a sliding rheostat RV, an NPN triode Q2, a resistor R1 and a resistor R6, a sliding contact of the sliding rheostat RV is connected with a vehicle door handle shaft and moves along with the rotation of the vehicle door handle shaft for acquiring vehicle door handle position signals, one fixed end of the sliding rheostat RV is connected with a +5V power supply and is also connected with a collector of the NPN triode Q2 through a resistor R6, the other fixed end of the sliding rheostat RV is grounded, the sliding end of the sliding rheostat RV is connected with a base of the NPN triode Q2 through a resistor R1, an emitter of the NPN triode Q2 is grounded, a connecting point of a collector of the NPN triode Q2 and a resistor R6 is connected with a P1.0 pin of a single chip microcomputer U1, and the NPN triode Q2 converts the acquired door handle position signals into high and low level signals which are input into the;
the control module is a single-chip microcomputer U1 system, comprehensively judges whether to unlock the electronic lock of the vehicle door according to signals input by a pin P1.0 and a pin P1.4, delays for 1 second if unlocking is needed, and outputs a high-level signal by the pin P1.7; if the unlocking is not needed, a low level signal is directly output by a pin P1.7;
the execution module comprises an NPN triode Q1 and a motor M, the base electrode of the NPN triode Q1 is connected to a P1.7 pin of the single chip microcomputer U1 through a resistor R5, the collector electrode of the NPN triode Q1 is connected with a +12V power supply through a resistor R2 and a fuse FU, the emitter electrode of the NPN triode Q1 is connected with a second group of pins of the electric door lock main switch SW, and the fixed contact of the electric door lock main switch SW is connected with the motor M; the NPN type triode Q1 realizes unlocking control according to a P1.7 pin output signal of the single chip microcomputer U1, and the motor M realizes locking and unlocking of the electronic lock of the vehicle door.
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Families Citing this family (1)

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Publication number Priority date Publication date Assignee Title
CN107031507B (en) * 2017-03-15 2023-03-14 广东机电职业技术学院 Automobile door lock triggering safety system and working method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104097601A (en) * 2013-04-08 2014-10-15 同济大学 Automobile anti-collision door self-locking device
CN204472678U (en) * 2014-12-21 2015-07-15 尹治平 A kind of door opening collision prevention device
CN205098047U (en) * 2015-11-16 2016-03-23 西南大学 Open door of car prevents impact system
CN205778035U (en) * 2016-05-24 2016-12-07 安徽科技学院 A kind of device causing collision accident when preventing arrangements for automotive doors from opening

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0274776A (en) * 1988-09-12 1990-03-14 Nissan Shatai Co Ltd Locking device for automobile door
CN202753850U (en) * 2012-02-28 2013-02-27 浙江吉利汽车研究院有限公司 Vehicular door opening anti-collision device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104097601A (en) * 2013-04-08 2014-10-15 同济大学 Automobile anti-collision door self-locking device
CN204472678U (en) * 2014-12-21 2015-07-15 尹治平 A kind of door opening collision prevention device
CN205098047U (en) * 2015-11-16 2016-03-23 西南大学 Open door of car prevents impact system
CN205778035U (en) * 2016-05-24 2016-12-07 安徽科技学院 A kind of device causing collision accident when preventing arrangements for automotive doors from opening

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