CN112428795B - Device for preventing door opening accident of automobile - Google Patents
Device for preventing door opening accident of automobile Download PDFInfo
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- CN112428795B CN112428795B CN202011370393.7A CN202011370393A CN112428795B CN 112428795 B CN112428795 B CN 112428795B CN 202011370393 A CN202011370393 A CN 202011370393A CN 112428795 B CN112428795 B CN 112428795B
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- relay
- circuit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J5/00—Doors
- B60J5/04—Doors arranged at the vehicle sides
- B60J5/0412—Lower door structure
- B60J5/0416—Assembly panels to be installed in doors as a module with components, e.g. lock or window lifter, attached thereto
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement 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
- B60Q1/50—Arrangement 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 indicating other intentions or conditions, e.g. request for waiting or overtaking
- B60Q1/525—Arrangement 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 indicating other intentions or conditions, e.g. request for waiting or overtaking automatically indicating risk of collision between vehicles in traffic or with pedestrians, e.g. after risk assessment using the vehicle sensor data
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/20—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for lighting specific fittings of passenger or driving compartments; mounted on specific fittings of passenger or driving compartments
- B60Q3/217—Doors, e.g. door sills; Steps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/70—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention provides an automobile door opening accident prevention device, which comprises a control circuit, a lock cylinder arranged on an automobile door and a lock seat arranged on an automobile door frame, wherein the lock cylinder is arranged on the automobile door; the lock core consists of a bottom plate, a guide plate, a return spring, a pin, a push plate, an armature, a buffer cushion and a central column; the lock seat comprises a coil, a contact and a spring. The lock core is fixedly arranged on the reinforcing rib of the vehicle door through a bolt, so that the armature is slightly exposed from the corresponding opening of the interior trim panel of the vehicle door; the electromagnetic seat is fixedly arranged in a groove on the automobile door frame through a screw, and the outer surface of the electromagnetic seat is flush with the door frame; the control circuit divides the door opening process of the get-off personnel in a non-emergency state into three steps of small opening, pause and large outward opening; this scheme can realize normally the door when getting off the vehicle delay open with the door when promptly getting off the vehicle open control fast, the personnel of getting off under the non-emergency condition can only strictly open the door according to step slowly, can not outwards open the door suddenly, can effectively avoid the door of opening outward to collide the rear and come car or pedestrian to and the passenger of getting off falls the accident of falling.
Description
Technical Field
The invention relates to the technical field of automobile safety, in particular to an automobile door opening accident prevention device.
Background
When a passenger gets off the automobile temporarily in the midway of the driving process, the unfolded automobile door is easy to collide with the coming automobile or the pedestrian because the passenger suddenly opens the automobile door outwards without observing the coming automobile or the pedestrian behind, and the passenger is likely to fall sideways to further collide or roll by other automobiles, so that serious accident results are caused. In addition, passengers get off the vehicle at night or in other low-light environments, and may fall or fall down due to the fact that the passengers cannot see the ground outside the vehicle clearly.
Although some technical countermeasures have been proposed or applied in recent years for the above accident risk, they are not widely used due to poor integration with the door structure or lack of economical applicability and reliability, and they are still mainly relied on the careful observation and careless action of the driver's own body to prevent the accident.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an automobile door opening accident prevention device, which solves the problem that a passenger suddenly opens an automobile door outwards without paying attention to observing a rear coming automobile or a pedestrian, so that the unfolded automobile door is easy to collide with the coming automobile or the pedestrian to cause a traffic accident.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
an automobile door opening accident prevention device comprises a control circuit, a lock cylinder arranged on an automobile door and a lock seat arranged on an automobile door frame; the lock cylinder comprises a bottom plate fixedly connected with the vehicle door reinforcing rib, a central column perpendicular to the vehicle door trim panel is arranged on the upper surface of the bottom plate, and a push plate is fixedly arranged on the central column; a guide plate which is sleeved with the outer wall of the central column and can slide along the central column in a reciprocating manner is arranged between the bottom plate and the push plate, a pin is fixedly arranged on the upper surface of the guide plate, the middle of each pin penetrates through the push plate, an armature is fixedly arranged on the upper end face of each pin, the armature is arranged in a gap of the door trim panel and is provided with a contact, and after the lock cylinder is installed on the door, the armature is slightly exposed from a corresponding hole of the door trim panel, and the exposed distance is 1-2 mm; a return spring is sleeved on the outer wall of the pin, one end of the return spring is in contact with the upper surface of the guide plate, and the other end of the return spring is in contact with the lower surface of the push plate; the lock seat comprises an electromagnetic seat fixedly connected with the car door frame, and a coil used for forming an electromagnet is arranged in the electromagnetic seat; a spring hole is formed in the electromagnetic seat, a spring and a contact terminal with the top end contacting with the contact point when the vehicle door is closed are arranged in the spring hole, one end of the spring is contacted with the bottom surface of the contact terminal, and the other end of the spring is contacted with the bottom of the spring hole. The control circuit is electrically connected with the lock core and the lock seat through a contact and a contact, and the control circuit is used for controlling the attraction and separation of the armature and the electromagnetic seat.
When a passenger needs to open the vehicle door, current is conducted through the control circuit, the contact and the contact to enable the coil to be electrified to generate magnetic force to attract the electromagnetic seat and the armature, at the moment, the passenger pushes the vehicle door outwards, the thrust force compresses the return spring through the bottom plate, the center post and the push plate, the vehicle door can be opened outwards in a small range, when the passenger continues to push the vehicle door with force and compresses the return spring to a compression limit, the passenger cannot continue to open the vehicle door, the opening degree of the vehicle door is limited to be opened in a small range, and the problem that the passenger does not observe a coming vehicle or a pedestrian behind to open the vehicle door outwards suddenly and the unfolded vehicle door collides with the coming vehicle or the pedestrian to cause traffic accidents is solved; when the passenger needs to completely open the vehicle door, the passenger temporarily stops pushing the vehicle door outwards with force, the vehicle door is slightly closed under the rebound action of the return spring, the control circuit cuts off the power of the coil, the magnetic force between the electromagnetic seat and the armature is lost, and the passenger can completely open the vehicle door outwards with force again.
Furthermore, in order to fix the relative position of the electromagnetic seat and the armature and control the power-on state of the coil, the electromagnetic seat and the armature are convenient to attract and separate, the central column is of a square column structure, the side surface of the central column is provided with a release contact piece, an intermediate contact piece, a power supply contact piece and a holding contact piece which are electrically connected with a control circuit from top to bottom, and the end of the release contact piece, which is close to the armature, is provided with a thrust contact piece; the guide plate is provided with a conductive holding reed and a release stopping reed, and the holding reed is used for communicating the power supply contact piece and the holding contact piece in the process that the guide plate moves along the central column; the stop reed is used for communicating the release contact piece with the intermediate contact piece, the thrust contact piece and the intermediate contact piece.
Furthermore, a buffer cushion is arranged between the push plate and the armature, and the buffer cushion is fixedly connected with the upper surface of the push plate. When the guide plate, the pin and the armature return to the direction of the bottom plate under the action of the return spring, the cushion pad can play a role in buffering and silencing.
Furthermore, the device for preventing the door opening accident of the automobile further comprises an early warning lamp electrically connected with the control circuit, the early warning lamp is arranged at a door handle on the outer side of the automobile door, and the light of the early warning lamp is red flashing light. The early warning lamp is used for warning personnel outside the vehicle and other vehicles to notice that the vehicle door is about to be opened, and prevents collision in the door opening process.
Further, the accident-preventing device for opening the door of the automobile further comprises an anti-collision lamp and an illuminating lamp which are electrically connected with the control circuit, the anti-collision lamp is arranged in the automobile door, the light of the anti-collision lamp is red twinkling light, the illuminating lamp is arranged on the end face of the automobile door facing the ground, and the illuminating direction of the illuminating lamp is directed to the ground outside the automobile door when the automobile door is in an open state.
The anti-collision lamp is arranged at a conspicuous position at the opening end of the vehicle door and used for warning people outside the vehicle and other vehicles to avoid the vehicle door when the vehicle door is partially or completely opened outwards so as to avoid collision with the vehicle door. The anti-collision lamp adopts red flashing light; the illuminating lamp is arranged on the end face, facing the ground, of the vehicle door, the irradiating direction points to the ground outside the vehicle door when the vehicle door is in an open state, and the illuminating lamp is used for illuminating the ground outside the vehicle when the vehicle is in a night or low-illumination environment, so that the falling accident of the personnel who get off the vehicle is prevented. The illuminating lamp is preferably white or light yellow.
Furthermore, the upper surface of the armature slightly protrudes out of the door trim panel and is parallel to the outer surface of the door trim panel, and the upper surface of the electromagnetic seat is flush with the surface of the door frame, so that the armature and the electromagnetic seat can be reliably attracted, the inner side surface of the door and the outer surface of the door frame are kept attractive, and passengers are prevented from being scratched or clothes are prevented from being scratched.
Furthermore, the control circuit comprises a first terminal electrically connected with the contact, a second terminal electrically connected with the automobile storage battery, a third terminal electrically connected with the power supply contact, a fourth terminal electrically connected with the holding contact, a fifth terminal electrically connected with the thrust contact, a sixth terminal electrically connected with the intermediate contact and a seventh terminal electrically connected with the release contact;
a power-off delay relay contact is arranged on the first wiring end circuit;
a sixth relay contact, a door button switch and a first relay coil are arranged on the second terminal circuit; the lower end of a power-off delay relay contact of the first terminal circuit is communicated with the lower end of a sixth relay contact of the second terminal circuit;
the third terminal is communicated with the lower end of a sixth relay contact of the second terminal circuit;
a second relay coil and a second relay contact thereof, a fifth relay contact and a fourth relay contact are arranged on the fourth terminal circuit; a first relay contact is arranged between the fourth terminal circuit and the second terminal circuit, two ends of the first relay contact are respectively communicated with the lower end of a sixth relay contact of the second terminal circuit and the upper end of a second relay coil of the fourth terminal circuit, and the opening or closing of the first relay contact is controlled by the first relay coil);
a power-off delay relay coil for controlling a power-off delay relay contact is arranged on the fifth wiring end circuit; two ends of the power-off delay relay coil are respectively connected and communicated with two ends of a second relay coil of the fourth terminal circuit in parallel; and the off-time of the contact of the power-off delay relay after the power-off of the branch in which the coil of the power-off delay relay is positioned is set to be 2-3 seconds.
A third relay contact is arranged between the sixth wiring end and the fifth wiring end, and a third relay coil used for controlling the third relay contact to be closed or opened is arranged on the sixth wiring end circuit;
and a fourth relay coil for controlling the opening or closing of the fourth relay contact is arranged on the seventh terminal circuit.
Furthermore, the control circuit also comprises an eighth wiring terminal connected with a wire outlet terminal of a hazard warning flash lamp switch of the automobile, and a fifth relay coil used for controlling the opening or closing of a fifth relay contact is arranged on the eighth wiring terminal.
Furthermore, the control circuit also comprises a ninth terminal connected with the outlet end of the unlocking button on the inner side of the automobile door, and a sixth relay coil used for controlling the opening or closing of the sixth relay contact is arranged on the ninth terminal circuit.
Furthermore, the control circuit also comprises an illumination circuit, the illumination circuit comprises a release switch, a locking switch, a flasher, an early warning lamp, an anti-collision lamp, an illuminating lamp, a seventh relay contact and a seventh relay coil, and two ends of the release switch are respectively communicated with the high potential end of the illumination circuit and the lower end of the power-off delay relay contact of the first terminal circuit; two ends of the closing switch are respectively communicated with a high potential end of the lighting circuit and the upper end of a second relay coil of the fourth terminal circuit;
the seventh relay contact is connected with the illuminating lamp in series and used for controlling the on-off of the illuminating lamp; the seventh relay coil and a control circuit thereof are connected with the seventh relay contact branch in parallel, and the seventh relay coil is used for controlling the connection and disconnection of the seventh relay contact;
the early warning lamp is connected with the anti-collision lamp in parallel and then connected with the flasher in series; the flasher is used for controlling the current fixed-period on-off of the early warning lamp and the anti-collision lamp.
The unlocking switch and the locking switch are arranged on a vehicle door of the vehicle, the on-off state of the unlocking switch and the locking switch is touched by a vehicle door frame when the vehicle door is opened or closed, when the vehicle door is locked, the locking switch is pressed by the vehicle door frame to be closed, and the unlocking switch is pressed by the vehicle door frame to be opened; when the vehicle door is not closed, the closing switch is released to be opened, and the unlocking switch is released to be closed.
The invention has the beneficial effects that: the lock core and the lock seat with the electromagnet function in the scheme can realize delayed opening of the vehicle door when a vehicle passenger normally gets off and rapid opening control of the vehicle door when the vehicle passenger urgently gets off, provide an external vehicle door opening warning signal and ground illumination, and effectively avoid the accident that the external vehicle door collides with a coming vehicle or a pedestrian behind and the vehicle passenger falls down in a low-illumination environment; in this scheme, control circuit's setting divides into the process of opening the door of personnel of getting off and opens, pause, outwards opens three steps by a wide margin. In non-emergency situations, the person getting off can only open the door strictly according to the steps, and cannot open the door outwards suddenly.
Drawings
Fig. 1 is a side view schematic structure diagram of a lock cylinder.
Fig. 2 is a front view structure schematic diagram of the lock cylinder.
Fig. 3 is a side view of the lock seat.
Fig. 4 is a front view of the lock seat.
Fig. 5 is a schematic diagram of the arrangement structure of the warning lamp on the vehicle body.
Fig. 6 is a schematic view of the arrangement structure of the lock cylinder, the anti-collision lamp and the illuminating lamp on the vehicle door.
Fig. 7 is a schematic diagram of a control circuit structure.
Wherein, 1-a lock core; 101-a guide plate; 102-a return spring; 103-pin; 104-a push plate; 105-an armature; 106-release contact; 108-a cushion; 109-thrust contact piece; 110-intermediate contact; a 111-contact; 112-power supply contact; 113-holding contact; 114-a central column; 115-a retention reed; 116-stop spring leaf; 2-an early warning lamp; 301-a base plate; 302-bolt; 401-door stiffener; 402-door trim panel; 403-door frame; 5-locking seat; 501-a coil; 502-spring hole; 503-a spring; 504-an electromagnetic mount; 505-a contact; 506-a screw; 6-an anti-collision lamp; 7-a lighting lamp; 8- -a first terminal; 801-power-off time delay relay contact; 802-off delay relay coil; 803-the unlock switch; 804 — a flasher; 9-a second terminal; 901-sixth relay contact; 902-door knob switch; 903 — a first relay coil; 904-close switch; 905-a first relay contact; 10-a third terminal; 11-a fourth terminal; 1101-a second relay coil; 1102 — a second relay contact; 1103 — fifth relay contact; 1104-a fourth relay contact; 12-a fifth terminal; 13-a sixth terminal; 1301-a third relay contact; 1302-third relay coil 14-seventh terminal; 1401-a fourth relay coil; 15-an eighth terminal; 1501-fifth relay coil; 16-a ninth terminal; 1601-a sixth relay coil; 17-a lighting circuit; 1701-seventh relay contact; 1702-seventh relay coil.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined in the appended claims, and all matters produced by the invention using the inventive concept are protected.
As shown in fig. 1 to 7, the present invention provides an automobile door opening accident prevention device, which comprises a control circuit, a lock cylinder 1 disposed on an automobile door, and a lock seat 5 disposed on an automobile door frame 403; the lock cylinder 1 comprises a bottom plate 301 fixedly connected with a door reinforcing rib 401, a central column 114 vertical to a door trim panel 402 is arranged on the upper surface of the bottom plate 301, and a push plate 104 is fixedly arranged at the top of the central column 114; a guide plate 101 movably connected with the outer wall of the central column 114 is arranged between the bottom plate 301 and the push plate 104 in a sleeved mode, pins 103 are fixedly arranged on two sides of the upper surface of the guide plate 101, the pins 103 penetrate through the push plate 104, an armature 105 is fixedly arranged on the end face of each pin 103, after the lock cylinder 1 is installed on the vehicle door, the armature 105 is slightly exposed from a corresponding opening of the vehicle door interior trim panel 402, and the armature 105 is provided with a contact 111; a return spring 102 is sleeved on the outer wall of the pin 103, one end of the return spring 102 is in contact with the upper surface of the guide plate 101, and the other end of the return spring is in contact with the lower surface of the push plate 104; a buffer pad 108 is arranged between the push plate 104 and the armature 105, and the buffer pad 108 is fixedly connected with the push plate 104.
When the guide plate 101, the pin 103 and the armature 105 are reset towards the bottom plate 301 under the action of the return spring 102, the cushion pad 108 can play a role in buffering and silencing.
The lock seat 5 comprises an electromagnetic seat 504 fixedly connected with the door frame 403, and a coil for forming an electromagnet is arranged in the electromagnetic seat 504; the electromagnetic seat 504 is provided with a spring hole 502 inside, the spring hole 502 is provided with a spring 503 and a contact 505 with the top end contacting with the contact 111, one end of the spring 503 contacts with the bottom surface of the contact 505, and the other end contacts with the bottom of the spring hole 502. The control circuit is electrically connected with the lock cylinder 1 and the lock base 5 through the contact 111 and the contact 505, and the control circuit is used for controlling the adsorption and separation of the armature 105 and the electromagnetic base 504.
When the vehicle door is closed, the contact and the contact are in contact conduction, when a passenger needs to open the vehicle door, current passes through the control circuit, the contact 111 and the contact 505 to enable the coil 501 to be electrified to generate magnetic force to attract the electromagnetic seat 504 and the armature 105, at the moment, the passenger pushes the vehicle door outwards, the thrust force compresses the return spring through the bottom plate, the central column and the push plate, and the vehicle door can be opened outwards in a small range; when the passenger continues to push with force to enable the return spring 102 to be at the compression limit, the passenger cannot continue to open the vehicle door, the opening and closing degree of the vehicle door is limited to be small opening, and the problem that the vehicle door is suddenly opened outwards without observing a vehicle or a pedestrian behind the passenger, so that the unfolded vehicle door is easily collided with the vehicle or the pedestrian to cause traffic accidents is solved; when the passenger needs to completely open the door, the door is pushed outwards by force temporarily, at this time, under the rebounding action of the return spring 102, the door is slightly recovered, the control circuit powers off the coil 501, the magnetic attraction force between the electromagnetic seat 504 and the armature 105 is lost, and the passenger can push the door outwards by force again and completely.
In order to fix the relative contact position of the electromagnetic seat 504 and the armature 105 and reliably control the power-on state of the coil 501 and the attraction and separation of the electromagnetic seat 504 and the armature 105, the central column 114 is a square column structure, the side surface of the central column 114 is provided with a release contact 106, an intermediate contact 110, a power supply contact 112 and a holding contact 113 which are electrically connected with a control circuit from top to bottom, and the end of the release contact 106 close to the armature 105 is provided with a thrust contact 109; the guide plate 101 is provided with a conductive holding reed 115 and a discharge stopping reed 116, and the holding reed 115 is used for communicating the power supply contact 112 and the holding contact 113 in the process that the guide plate 101 moves along the central column 114; stop spring 116 is provided to communicate release contact 106 with intermediate contact 110, thrust contact 109 with intermediate contact 110.
The device for preventing the door opening accident of the automobile further comprises an early warning lamp 2 electrically connected with an automobile power supply system, wherein the early warning lamp 2 is arranged at a door handle on the outer side of the automobile door, and light of the early warning lamp 2 is red flickering light. The early warning lamp 2 is used for warning people outside the vehicle and other vehicles to notice that the vehicle door is about to be opened, and collision is prevented in the door opening process. The device for preventing the door from being opened of the automobile further comprises an anti-collision lamp 6 and a lighting lamp 7, wherein the anti-collision lamp 6 is arranged in the automobile door, the light of the anti-collision lamp 6 is red flashing light, the lighting lamp 7 is arranged on the end face of the automobile door facing the ground, and the irradiation direction of the lighting lamp 7 points to the ground outside the automobile door. The anti-collision lamp 6 is arranged at a conspicuous position at the opening end of the vehicle door and used for warning people outside the vehicle and other vehicles to avoid the vehicle door when the vehicle door is partially or completely opened outwards so as to avoid collision with the vehicle door. The collision-prevention lamp 6 adopts red flashing light; the illuminating lamp 7 is arranged on the end face, facing the ground, of the vehicle door, the illuminating direction points to the ground outside the vehicle door when the vehicle door is in an open state, and the illuminating lamp is used for illuminating the ground outside the vehicle when the vehicle is in a night or low-illumination environment, so that the falling accident of the personnel who get off the vehicle is prevented. The illuminating lamp 7 is preferably white or light yellow.
The control circuit comprises a first terminal 8 electrically connected with the contact 111, a second terminal 9 electrically connected with the automobile battery, a third terminal 10 connected with the power supply contact 112, a fourth terminal 11 connected with the holding contact 113, a fifth terminal 12 connected with the thrust contact 109, a sixth terminal 13 connected with the intermediate contact 110, and a seventh terminal 14 connected with the release contact 106;
a circuit of the first terminal 8 is provided with a power-off delay relay contact 801;
a sixth relay contact 901, a door button switch 902 and a first relay coil 903 are arranged on the second terminal 9 circuit; the lower end of a power-off delay relay contact 801 of the first terminal 8 circuit is communicated with the lower end of a sixth relay contact 901 of the second terminal 9 circuit;
the third terminal 10 is communicated with the lower end of the sixth relay contact 901 of the second terminal 9;
the fourth terminal 11 is provided with a second relay coil 1101, a second relay contact 1102, a fifth relay contact 1103 and a fourth relay contact 1104; a first relay contact 905 is arranged between the fourth terminal 11 circuit and the second terminal 9 circuit, and two ends of the first relay contact 905 are respectively communicated with the lower end of the sixth relay contact 901 and the upper end of the second relay coil 1101;
a circuit of the fifth terminal 12 is provided with a power-off delay relay coil 802 for controlling a power-off delay relay contact 801; two ends of the power-off delay relay coil 802 are respectively connected in parallel with two ends of a second relay coil 1101 of the fourth terminal circuit; the off time of the power-off delay relay contact 801 after the power-off of the branch in which the power-off delay relay coil 802 is located is set to be 2-3 seconds;
a third relay contact 1301 is arranged between the sixth terminal 13 and the fifth terminal 12, and a circuit of the sixth terminal 13 is provided with a third relay coil 1302 for controlling the third relay contact 1301 to be closed or opened;
a fourth relay coil 1401 for controlling the opening or closing of the fourth relay contact 1104 is electrically provided to the seventh terminal 14.
The control circuit further comprises an eighth terminal 15 connected with a wire outlet end of a hazard warning flashlight switch of the automobile, and a fifth relay coil 1501 used for controlling the opening or closing of a fifth relay contact 1103 is arranged on the eighth terminal 15.
The control circuit further comprises a ninth terminal 16 connected with a door unlock button outlet terminal of the automobile, and a sixth relay coil 1601 for controlling the opening or closing of the sixth relay contact 901 is arranged on the ninth terminal 16.
The control circuit further comprises a lighting circuit 17, wherein the lighting circuit 17 comprises an unlocking switch 803, a locking switch 904, a flasher 804, a lighting lamp 7, a seventh relay contact 1701 and a seventh relay coil 1702, and the seventh relay contact 1701 is connected with the lighting lamp 7 in series and is used for controlling the on-off of the lighting lamp 7; the seventh relay coil 1702 and a control circuit thereof are connected in parallel with the branch where the seventh relay contact 1701 is located, and the seventh relay coil 1702 is used for controlling the seventh relay contact 1701 to be closed and opened; two ends of the unlocking switch 803 are respectively communicated with a high potential end of the lighting circuit 17 and the lower end of the power-off delay relay contact 801; both ends of the hold-down switch 904 communicate with the high potential end of the lighting circuit 17 and the upper end of the second relay coil 1101, respectively; the flasher 804 is used for controlling the circuit of the early warning lamp 2 and the anti-collision lamp 6 to be switched on and off at regular intervals.
Under the condition that the alarm flash lamp switch of the automobile is not pressed (namely closed) and the automobile door is locked, if personnel in the automobile get off the automobile, the automobile door unlocking button needs to be opened firstly according to the normal door opening step, at the moment, the sixth relay coil 1601 is conducted, so that the sixth relay contact 901 is attracted, and the device enters a standby state. When the door unlock button is closed, the sixth relay contact 901 is opened, and the system enters a shutdown state.
When the door unlock button has been opened and the door handle is opened in the car according to the normal door opening procedure, the door button switch 902 will close before the door is opened. Then, the first relay coil 903 closes the first relay contact 905, so that the second relay coil 1101 is conducted with the power-off delay relay coil 802, and the second relay contact 1102 is attracted with the power-off delay relay contact 801, at this time, because the contact 111 is contacted and conducted with the contact 505, the coil 501 is electrified to generate magnetic force to attract the electromagnetic seat 504 with the armature 105, and cannot be separated under the action of normal door opening thrust of a passenger. Meanwhile, before the vehicle door is not pushed outwards, the first relay contact 905 and the close switch 904 form a passage, so that the flasher 804, the early warning lamp 2 and the anti-collision lamp 6 are conducted to work, and a person outside the vehicle can observe the flickering and the light-emitting of the early warning lamp 2. At this time, if the door is not pushed outward but the inside door handle is released, the door knob switch 902 is turned off, the first relay coil 903 is turned off, the first relay contact 905 is turned off, and the coil, the flasher 804, the warning lamp 2, and the anti-collision lamp 6 stop operating.
When the door handle in the vehicle is locked to a half-locked state or a completely unlocked state, the door is slightly opened outwards, the armature 105 is driven to move outwards through the door reinforcing rib 401, the bottom plate 301, the central column 114, the push plate 104, the return spring 503102, the guide plate 101 and the pin 103, but the armature 105 is not moved by being attracted by the electromagnetic seat 504, so the guide plate 101 compresses the return spring 102 and slides out slightly along the central column 114 in the coil direction, the release reed 116 connects the release reed 106 with the intermediate reed 110 (i.e. the sixth terminal 13 port and the seventh terminal 14 port of the control circuit are connected), the hold reed 115 connects the power supply reed 112 with the hold reed 113 (i.e. the third terminal 10 port and the fourth terminal 11 port of the control circuit are connected), and meanwhile, the locking switch 904 is opened and the unlocking switch 803 is closed. Since the second relay contact 1102 is engaged previously, the conductive states of the coil 501 and the flashers 804, the warning lamp 2, and the collision avoidance lamp 6 are locked. At this time, the door is closed again, and the holding reed 115 is disconnected from the power supply contact 112 and the holding reed 113, so that the locked state can be released.
When the passenger locks the inside door handle of the vehicle to be completely unlocked and pushes the door outwards, the electromagnetic seat 504 is attracted with the armature 105, the door drives the push plate 104 to move outwards against the elastic force of the return spring 102, and the door can only be opened outwards, and the opening range of the door is determined by the maximum compression stroke of the return spring 102. When the door is opened outwards until the return spring 102 reaches the maximum compression stroke, the armature 105 stops sliding outwards, and the door cannot be pushed outwards continuously due to the attraction force between the electromagnetic seat 504 and the armature 105, so that the person getting off the vehicle can be forced to observe outwards, and sufficient reaction conditions are provided for the outside coming vehicle and the person.
The duration of the door partially opened state is determined by on-off control of the release contact 106 and the thrust contact 109 by the discharge stop reed 116. When the door is pushed outward until the return spring 102 reaches the maximum compression stroke, the release reed 116 connects the release contact 106 with the intermediate contact 110 (i.e., the fifth terminal 13 port and the seventh terminal 14 port of the control circuit are conductive), but at this time, since the thrust contact 109 is not connected with the intermediate contact 110 (i.e., the fifth terminal 12 port and the fifth terminal 13 port of the control circuit are not conductive) and the third relay contact 1302 is not closed, the fourth relay coil 1401 does not operate. When the door is pushed outward continuously to make the return spring 102 reach the maximum compression stroke, the release reed 116 will first disconnect the release contact 106 from the intermediate contact 110 (i.e., the fifth terminal 13 port and the seventh terminal 14 port of the control circuit are disconnected), and then connect the thrust contact 109 to the intermediate contact 110 (i.e., the fifth terminal 12 port and the fifth terminal 13 port of the control circuit are connected), so that the third relay coil 1301 is conducted, and the third relay contact 1302 is closed, but at this time, the fourth relay coil 1401 is still not operated because the release contact 106 and the intermediate contact 110 are disconnected. At this time, the door is in the maximum opening range of the outward opening state, if the lower vehicle passengers still continuously push the door outward with force, the release contact 106 and the intermediate contact 110 are always in the open state, and the door cannot be pushed outward continuously under the restraint of the attraction force between the electromagnetic seat 504 and the armature 105.
When the door has reached the maximum opening width in the outward separated open state, the person getting off should temporarily relax the pushing of the door. At this time, the guide plate 101 slides back slightly toward the base plate 301 by the elastic force of the return spring 102, so that the thrust contact 109 is disconnected from the intermediate contact 110, and the release contact 106 is brought into contact with the intermediate contact 110 for the second time. At this time, the third relay contact 1302 is in an attraction state, so that the fourth relay coil 1401 is switched on, the fourth relay contact 1104 is switched off, the power-off delay relay coil 802 and the second relay coil 1101 are both powered off, the second relay contact 1102 is immediately switched off, the power-off delay relay contact 801 is switched off after a set time (about 2-3 s), the coil 501 of the electromagnetic seat 504 stops working, the armature 105 losing the attraction force is pushed back to the initial position by the return spring 102, the vehicle door is released, and the vehicle door can be continuously pushed outwards to be completely opened.
While the door is greatly opened outwards, the warning lamp 2 and the anti-collision lamp 6 are still conducted by the unlocking switch 803 and continue to be in a light-emitting working state until the door is closed again. At the moment, the person outside the automobile can see the early warning lamp 2 and the anti-collision lamp 6 to flicker and emit light at the same time so as to warn the person to avoid the opened automobile door.
If the door is opened at night or in other low-illumination environments, the early warning lamp 2 and the anti-collision lamp 6 emit light, the triode VT1 is cut off, the collector of the triode VT1 outputs high level, the triode VT2 is turned on, the seventh relay coil 1702 attracts the seventh relay contact 1701, and the illuminating lamp 7 works to illuminate the ground outside the vehicle and prevent the passengers getting off the vehicle from falling.
When the opened vehicle door is closed again, the unlock switch 803 is turned off and the close switch 904 is turned on, but since the door knob switch 902 and the second relay contact 1102 are both in the off state at this time, the warning lamp 2, the anti-collision lamp 6, and the illumination lamp 7 are turned off, and the apparatus enters a standby state.
When the door needs to be opened immediately in an emergency, a hazard flasher switch of the automobile should be pressed. At this time, the fifth relay coil 1501 is turned on, so that the fifth relay contact 1103 is broken, and the device loses control of the door opening process. However, when the door is opened and pushed outward, the first relay contact 905, the locking switch 904, and the unlocking switch 803 may respectively form a passage in sequence, so that the flasher 804, the warning light 2, the anti-collision light 6, and the illumination light 7 are turned on until the door is closed and the door handle is released. Lock core 1 in this scheme and lock seat 5 that has the magnet function, the door that can realize normally getting off the vehicle time delays to open and the door when promptly getting off the vehicle is opened control fast, control circuit can divide into the process of opening under the non-emergency state of personnel of getting off into the small amplitude and open, pause, open three step outward by a wide margin to provide the door and open warning signal and ground illumination, personnel of getting off can only strictly open the door according to above-mentioned step slowly in non-emergency, can not open the door outward suddenly, can effectively avoid the door of opening outward to collide the back and come car or pedestrian, and the passenger of getting off falls the accident of falling.
Claims (8)
1. An automobile door opening accident prevention device is characterized by comprising a control circuit, a lock cylinder (1) arranged on an automobile door and a lock seat (5) arranged on an automobile door frame (403);
the lock cylinder (1) comprises a bottom plate (301) fixedly connected with a door reinforcing rib (401), a central column (114) perpendicular to a door trim panel (402) is arranged on the upper surface of the bottom plate (301), and a push plate (104) is fixedly arranged on the central column (114);
a guide plate (101) which is sleeved with the outer wall of the central column (114) and can slide along the central column (114) in a reciprocating manner is arranged between the bottom plate (301) and the push plate (104), a pin (103) is fixedly arranged on the upper surface of the guide plate (101), the middle part of the pin (103) penetrates through the push plate (104), an armature (105) is fixedly arranged on the end face of the push plate (104), the armature (105) is arranged in a gap of the door trim panel (402), and a contact point is arranged on the armature (105);
the central column (114) is of a square column structure, the side surface of the central column (114) is provided with a release contact (106), an intermediate contact (110), a power supply contact (112) and a holding contact (113) which are electrically connected with the control circuit from top to bottom, and the end, close to the armature (105), of the release contact (106) is provided with a thrust contact (109);
the guide plate (101) is provided with a conductive holding reed (115) and a discharge stopping reed (116), and the holding reed (115) is used for communicating the power supply contact (112) with the holding contact (113) in the process that the guide plate (101) moves along the central column (114); the discharge stopping reed (116) is used for communicating the release contact (106) with the intermediate contact (110), the thrust contact (109) with the intermediate contact (110);
a return spring (102) is sleeved on the outer wall of the pin (103), one end of the return spring (102) is in contact with the upper surface of the guide plate (101), and the other end of the return spring is in contact with the lower surface of the push plate (104);
the lock seat (5) comprises an electromagnetic seat (504) fixedly connected with a door frame (403), and a coil (501) for forming an electromagnet is arranged in the electromagnetic seat (504);
a spring hole (502) is formed in the electromagnetic seat (504), a spring (503) and a contact (505) with the top end contacting with the contact (111) in the closed state of the vehicle door are arranged in the spring hole (502), one end of the spring (503) contacts with the bottom surface of the contact (505), and the other end of the spring contacts with the bottom of the spring hole (502);
the control circuit is electrically connected with the lock cylinder (1) and is electrically connected with the lock base (5) through a contact (111) and a contact head (505), and the control circuit is used for controlling the attraction and separation of the armature (105) and the electromagnetic base (504); the control circuit comprises a first terminal (8) electrically connected with the contact (111), a second terminal (9) electrically connected with an automobile storage battery, a third terminal (10) connected with the power supply contact (112), a fourth terminal (11) connected with the holding contact (113), a fifth terminal (12) connected with the thrust contact (109), a sixth terminal (13) connected with the intermediate contact (110) and a seventh terminal (14) connected with the release contact (106);
a circuit of the first terminal (8) is provided with a power-off delay relay contact (801);
a sixth relay contact (901), a door button switch (902) and a first relay coil (903) are arranged on the second terminal (9) in series; the lower end of a power-off delay relay contact (801) of the first terminal (8) circuit is communicated with the lower end of a sixth relay contact (901) of the second terminal (9) circuit;
the third terminal (10) is communicated with the lower end of a sixth relay contact (901) of the second terminal (9) circuit;
a second relay contact (1102), a second relay coil (1101), a fifth relay contact (1103) and a fourth relay contact (1104) are arranged on the fourth terminal (11) circuit in series, and the opening or closing of the second relay contact (1102) is controlled by the second relay coil (903);
a first relay contact (905) is arranged between the fourth terminal (11) circuit and the second terminal (9) circuit, and two ends of the first relay contact (905) are respectively communicated with the lower end of the sixth relay contact (901) and the upper end of the second relay coil (1101); the opening or closing of the first relay contact (905) is controlled by the first relay coil (903);
a circuit of the fifth terminal (12) is provided with a power-off delay relay coil (802) for controlling the power-off delay relay contact (801) to be closed or opened, and two ends of the power-off delay relay coil (802) are respectively communicated with two ends of a second relay coil (1101) of the circuit of the fourth terminal (11) in parallel;
a third relay contact (1302) is arranged between the sixth terminal (13) and the fifth terminal (12), and a circuit of the sixth terminal (13) is provided with a third relay coil (1301) for controlling the third relay contact (1302) to be closed or opened;
and a fourth relay coil (1401) for controlling the opening or closing of the fourth relay contact (1104) is arranged on the seventh terminal (14) circuit.
2. The device for preventing door opening accidents for automobiles according to claim 1 is characterized in that a buffer pad (108) is arranged between the push plate (104) and the armature (105), and the buffer pad (108) is fixedly connected with the push plate (104).
3. The device for preventing the door opening accident of the automobile according to claim 2, further comprising an early warning lamp (2) electrically connected with the control circuit, wherein the early warning lamp (2) is arranged at the door handle at the outer side of the automobile door, and the light of the early warning lamp (2) is red flashing light.
4. The device for preventing the door opening accident of the automobile according to claim 3, further comprising an anti-collision lamp (6) and an illuminating lamp (7) which are electrically connected with the control circuit, wherein the anti-collision lamp (6) is arranged on the opening end face of the automobile door, the light of the anti-collision lamp (6) is red flashing light, the illuminating lamp (7) is arranged on the end face of the automobile door facing the ground, and the illuminating direction of the illuminating lamp (7) points to the ground outside the automobile door when the automobile door is in the opening state.
5. The car door opening accident prevention device according to claim 4, wherein the upper surface of the electromagnetic seat (504) is flush with the surface of the door frame (403).
6. The device for preventing the door opening accident of the automobile as claimed in claim 5, further comprising an eighth terminal (15) connected to the outlet terminal of the hazard flasher switch of the automobile, wherein a fifth relay coil (1501) for controlling the opening or closing of the fifth relay contact (1103) is arranged on the eighth terminal (15).
7. The door opening accident prevention device for the automobile as claimed in claim 6, further comprising a ninth terminal (16) connected to the outlet terminal of the door unlock button of the automobile, wherein the ninth terminal (16) is provided with a sixth relay coil (1601) for controlling the opening or closing of the sixth relay contact (901) in an electric circuit.
8. The automobile door opening accident prevention device according to claim 7, characterized in that the control circuit further comprises an illumination circuit (17), the illumination circuit (17) being provided with an unlock switch (803), a close switch (904), a flasher (804), a lighting lamp (7), a seventh relay contact (1701), and a seventh relay coil (1702); two ends of the unlocking switch (803) are respectively communicated with a high potential end of the lighting circuit (17) and the lower end of the power-off delay relay contact (801) of the first terminal (8) circuit; two ends of the closing switch (904) are respectively communicated with a high potential end of the lighting circuit (17) and the upper end of a second relay coil (1101) of the fourth terminal (11) circuit;
the seventh relay contact (1701) is connected with the illuminating lamp (7) in series and used for controlling the on-off of the illuminating lamp (7); the seventh relay coil (1702) and a control circuit thereof are connected with the branch of the seventh relay contact (1701) in parallel, and the seventh relay coil (1702) is used for controlling the on and off of the seventh relay contact (1701);
the flasher (804) is connected with the early warning lamp (2) and the anti-collision lamp (6) in series, the early warning lamp (2) and the anti-collision lamp (6) are connected in parallel, and the flasher (804) is used for controlling the current of the early warning lamp (2) and the current of the anti-collision lamp (6) to be switched on and off periodically.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011370393.7A CN112428795B (en) | 2020-11-30 | 2020-11-30 | Device for preventing door opening accident of automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011370393.7A CN112428795B (en) | 2020-11-30 | 2020-11-30 | Device for preventing door opening accident of automobile |
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| CN112428795A CN112428795A (en) | 2021-03-02 |
| CN112428795B true CN112428795B (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011370393.7A Active CN112428795B (en) | 2020-11-30 | 2020-11-30 | Device for preventing door opening accident of automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114735113A (en) * | 2022-04-28 | 2022-07-12 | 卓斐(东营)农业科技研究院有限公司 | Unmanned trolley and flexible production line |
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