CN104695781A - Vehicle door electronic control limiting device - Google Patents

Vehicle door electronic control limiting device Download PDF

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Publication number
CN104695781A
CN104695781A CN201510104532.4A CN201510104532A CN104695781A CN 104695781 A CN104695781 A CN 104695781A CN 201510104532 A CN201510104532 A CN 201510104532A CN 104695781 A CN104695781 A CN 104695781A
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China
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car door
opening angle
stopping means
arresting lever
automatically controlled
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CN201510104532.4A
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CN104695781B (en
Inventor
王军年
任傲
王彦哲
赵东炎
柴元鹏
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Jilin University
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Jilin University
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Abstract

The invention discloses a vehicle door electronic control limiting device. The vehicle door electronic control limiting device comprises an obstacle detecting device arranged outside a vehicle body for measuring a distance from the side surface of the vehicle body to an obstacle; a controller used for determining the maximum allowable opening angle of the vehicle door according to the distance from the side surface of the vehicle body to the obstacle; and a limiting actuating mechanism arranged at the articulated part of the vehicle door and the vehicle body and is used for limiting the outward opening angle of the vehicle door, which is not greater than the maximum allowable opening angle, and allowing the vehicle door to be freely closed inwards. The vehicle door electronic control limiting device achieves the functions that the opening angle of the vehicle door is limited according to the peripheral obstacle conditions when the vehicle door is opened and the action of closing the vehicle door is not influenced when the vehicle door is closed, and can effectively prevent the vehicle door from colliding the peripheral obstacles, thereby reducing automobile loss.

Description

The automatically controlled stopping means of a kind of car door
Technical field
The present invention relates to arrangements for automotive doors guard technology field, be specifically related to the automatically controlled stopping means of a kind of car door.
Background technology
Along with the increase of automobile pollution, although the convenience that occupant's opening car door that parking space line space design limited in city can meet most automobile is got on or off the bus, but the difference of kinds of automobile causes body width to vary, if according to space, parking space parallel between two in maximum passenger car size design city, must the wasting of resources be caused.Meet parking demand for as much as possible, the space on parking space, current city is only enough, and be far from being spaciousness.In addition, if run into indivedual driver parking phenomenon lack of standardization again, cannot ensure that reality is as much as possible equidistantly stopped, indivedual parking stalls narrow space will inevitably be caused, when occupant gets off, cause unexpected wide-angle opening car door to cause unnecessary both sides' automobile damage owing to not noticing space size.The automatically controlled stopping means of car door that the alternative driver of exploitation frequently reminds occupant to work for this reason is necessary very much.
On current arrangements for automotive doors, major part is all provided with following two kinds of simple and easy stops: 1, pulling rod type position limiting device, and 2, cam gear formula stop; Its Main Function is: 1, limit the maximum opening of car door, prevent door skin and obstruction from colliding, 2, the opening of maintenance car door, prevent car door from automatically closing, 3, except maximum opening, increase screens in the middle of, adapt to different occupant and to get on or off the bus demand.Pulling rod type position limiting device due to structure simple, cost is lower and be used widely, and general car all uses this type of, but it for manufacture and matching requirements higher, when assembling is bad, easily produce abnormal sound, in addition, its shift feeling is clear not.The hinge of cam gear stop and stop are integrated in one, easy assembling, more easily meet torque requirement and opening angle requirement, and realizing the requirement of door closing force, shortcoming is that taking up room of hinge is comparatively large, needs the space fully analyzing hinge and stop to arrange, its general principle comes spacing with tooth plate and roller, namely output every grade of spacing stopper slot at tooth plate edge, roller rolls along tooth plate and is stuck in corresponding groove, thus controls the open position of car door.
But, above two kinds of stops just achieve simple single-stage or two-stage limit function, do not fully take into account the problem such as safety, hommization, namely automatically cannot identify the restrictive condition in car door opening space, cannot avoid opening excessively cause the security hidden troubles such as interference and collision between car door and extraneous obstruction to appropriate angle by volitional check car door opening.
Summary of the invention
The invention provides a kind of door-open stopper, object is the opening angle of the Obstacle Position restriction car door according to car body both sides, and do not affect closed door, during to avoid opening the door, car door and obstruction collide and damage simultaneously.
Technical scheme provided by the invention is:
The automatically controlled stopping means of a kind of car door, comprising:
Obstacle detecting device, it is installed on outside car body, for the distance of inspection vehicle body side surface to obstruction;
Controller, it is configured to according to the distance of described vehicle body side to obstruction, determines the maximum permission opening angle of car door;
Spacing executing agency, it is installed on the hinged place of car door and car body, comprises profile of tooth gag lever post and arresting lever, and described spacing executing agency is configured to the outside opening angle of restriction car door and is no more than described maximum permission opening angle, and allows car door freely inwardly to close;
Wherein, described profile of tooth gag lever post is provided with rectangle stopper slot, side, described arresting lever bottom is set to vertical plane, and opposite side is set to cambered surface, and described arresting lever bottom coordinates with described rectangle stopper slot, limits the single-way moving of described profile of tooth gag lever post.
Preferably, described obstacle detecting device comprises ultrasonic radar, and described ultrasonic radar is installed on the sill plate below car door.
Preferably, described spacing executing agency also comprises:
Opening angle checkout gear, it is for determining the opening angle of car door;
Driver, it is connected with described arresting lever, drives described arresting lever to move, and engages with described stopper slot or be separated.
Preferably, described driver comprises electromagnetic coil and elastic component, and described electromagnetic coil energising produces the electromagnetic force put on described arresting lever afterwards, and described elastic component puts on an elastic force on described arresting lever, and described electromagnetic force is contrary with elastic force direction.
Preferably, described rectangle stopper slot is furnished with 5 along described profile of tooth gag lever post.
Preferably, the stopper slot on described profile of tooth gag lever post is that non-equidistant is arranged, and when described arresting lever often moves in adjacent stopper slot in a stopper slot, car door distalmost end to the change of automobile side apart from identical.
Preferably, described driver also comprises housing and the upper cover of hollow, described arresting lever to be arranged in described housing and to slide up and down relative to described housing, is provided with buffer spring, to reduce the impact of described arresting lever to described upper cover between described arresting lever and described upper cover.
Preferably, described opening angle checkout gear comprises the angular transducer be connected between car door and car body, for measuring the opening angle of car door.
Preferably, it is characterized in that, the automatically controlled stopping means of described car door also comprises control button and indicator lamp, for controlling unlatching and the indicating operating status of described stopping means.
The automatically controlled stopping means of a kind of car door, comprising:
Obstacle detecting device, it is installed on outside car body, for the distance of inspection vehicle body side surface to obstruction;
Controller, it is configured to according to the distance of described vehicle body side to obstruction, determines the maximum permission opening angle of car door;
Spacing executing agency, it is installed on the hinged place of car door and car body, comprises profile of tooth gag lever post and arresting lever, and described spacing executing agency is configured to the outside opening angle of restriction car door and is no more than described maximum permission opening angle, and allows car door freely inwardly to close;
Wherein, described profile of tooth gag lever post is provided with continuous print sawtooth, described arresting lever lower end has a tip, matches with the sawtooth on described profile of tooth gag lever post in described arresting lever lower end, and formation can limit described profile of tooth gag lever post single-way moving Ji Tiao mechanism.
Compared with prior art the invention has the beneficial effects as follows:
1, the automatically controlled stopping means of arrangements for automotive doors of the present invention is when opening car door, by controlling the angle that car door can turn over, effectively prevents car door from knocking side obstruction, reduces automobile loss.
2, the automatically controlled stopping means of arrangements for automotive doors of the present invention is by improvement to pulling rod type position limiting device structure, achieves when opening the door according to periphery obstruction situation restriction car door opening angle, and not to affect the function of closing of the door action at closing time.
3, the automatically controlled stopping means of arrangements for automotive doors of the present invention by arranging multiple draw-in groove thus reaching the pinpoint effect of multi-angle in pulling rod type position limiting executing agency.
4, the automatically controlled stopping means of arrangements for automotive doors of the present invention by arranging instrument warning light on instrument board, facilitates driver to understand system works information, avoids fascination.
5, the automatically controlled limit device structure of arrangements for automotive doors of the present invention is simple, easy for installation, cost is lower.Can be used for various arrangements for automotive doors, there is stronger marketing.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the automatically controlled stopping means of car door of the present invention.
Fig. 2 is obstacle detecting device of the present invention and spacing executing agency installation site schematic diagram;
Fig. 3 is the connection diagram of spacing executing agency of the present invention and vehicle body;
Fig. 4 is the partial enlarged drawing of Fig. 3;
Fig. 5 is spacing executing agency of the present invention operating diagram;
Fig. 6 is spacing executing agency of the present invention decomposition chart;
Fig. 7 is spacing executing agency of the present invention sectional view;
Fig. 8 is indicator lamp schematic diagram figure of the present invention;
Fig. 9 is the controller electrical schematic diagram of the automatically controlled stopping means of arrangements for automotive doors of the present invention;
Figure 10 is the single-chip microcomputer control program flow chart of the automatically controlled stopping means of arrangements for automotive doors of the present invention;
Figure 11 is another embodiment of the automatically controlled stopping means of arrangements for automotive doors of the present invention spacing executing agency structural representation.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail, can implement according to this with reference to manual word to make those skilled in the art.
As shown in Figure 1, the invention provides the automatically controlled stopping means of a kind of arrangements for automotive doors, it can comprise: obstacle detecting device 1, controller 20, spacing executing agency 2.Described obstacle detecting device 1 is installed on the outside of car body, can be used for detecting be positioned at vehicle body side obstruction to the distance of car body.Described spacing executing agency 2 also comprises opening angle checkout gear 21, and described opening angle checkout gear 21 is for determining the opening angle of car door.Described controller 20 is configured to according to the distance of vehicle body side to obstruction, determines the maximum permission opening angle of car door.Spacing executing agency 2 is configured to the outside opening angle of restriction car door and is no more than described maximum permission opening angle, and allows car door freely inwardly to close.This design can according to the position of obstruction, determine the maximum permission opening angle of car door, and under the control of controller 20, under car door is limited in safe opening angle by spacing executing agency 2, and the closedown of car door is not limited, freely closing of car door can be realized.
As shown in Figure 2, in above-described embodiment, described obstacle detecting device 1 comprises ultrasonic radar, and it is installed on the sill plate below car door.Time difference when ultrasonic radar is launched by obtaining ultrasonic wave and when returning after encountering obstruction, the distance of disturbance in judgement thing.
Consult Fig. 3 in the lump, inside and outside the car door that spacing executing agency 2 is installed on body hinge place between door-plate in cavity.Described spacing executing agency 2 comprises profile of tooth gag lever post 3, arresting lever 4 and driver.Profile of tooth gag lever post is configured with some stopper slots along its length.Arresting lever 4 optionally matches with described stopper slot, limit described arresting lever 4 relative to the one-sided movement of described profile of tooth gag lever post 3, and allow described arresting lever 4 to move to opposite side relative to described profile of tooth gag lever post 3, open to realize restriction car door 17 and allow car door 17 to close.Driver is connected with described arresting lever, drives described arresting lever to move, and controls arresting lever 4 and engages with described stopper slot or be separated.
As shown in figs. 4-7, driver comprises electromagnetic coil 6 and elastic component 9, and produce the electromagnetic force put on described arresting lever 4 after described electromagnetic coil 6 is energized, described elastic component 9 puts on an elastic force on described arresting lever 4, and described electromagnetic force is contrary with elastic force direction.By the effect of electromagnetic force and elastic force, achieve moving up and down of arresting lever 4, thus make arresting lever 4 coordinate with stopper slot or be separated.Preferred as one, elastic component 9 adopts helical spring.
Driver also comprises housing 7 and the upper cover 8 of hollow, and housing 7 is made up of casting aluminium material.Arresting lever 4 is embedded in housing 7, and arresting lever 4 is made up of circular top and rectangular shaft bottom, and its material is iron.Leave gap between arresting lever 4 circular top and housing 7 inwall, ensure that arresting lever 4 can do straight reciprocating motion in the axial direction under the effect of electromagnetic coil 6.Housing 7 is made up of top large cylinder, middle part small cylinder and lower category rectangular flange dish 5, and its top and middle part have cylindrical cavity, has a rectangular through-hole in the middle of lower flange dish 5.Helical spring 9 is placed in the middle part of electromagnetism spacer pin housing 7 in cylindrical cavity, and helical spring 9 external diameter is less than arresting lever 4 top circular segment outer radius.Put into housing 7 after arresting lever 4 passes in the middle of helical spring 9 from housing 7 top inner, and pass from described housing 7 bottom rectangle hole.Helical spring 9 is fixed between housing 7 intracavity bottom and arresting lever 4 circular top soffit, helical spring 9 upper end contacts with the circular baffle plate soffit of spacer pin 4, the lower end of helical spring 9 uses metal-to-metal adhesive and housing 7 lower surface to bond together, and makes it to be separated, and avoids occurring vibration.Be provided with buffer spring 10 between end cap 8 and arresting lever 4 top upper surface, its upper end uses metal-to-metal adhesive mutually bonding with end cap 8 bottom circular groove inner surface.Buffer spring 10 is the spring that rigidity is larger, is used for reducing impact when arresting lever 4 resets.Leave certain space during nature with arresting lever 4 upper end of end cap 8, when it can avoid arresting lever 4 return and electromagnetism spacer pin housing end plug 8 there is shock and occur noise.Electromagnetic coil 6 is wrapped in the middle part of housing 7 outside small cylinder uniformly, and when inflow current, electromagnetic coil will produce electromagnetic attraction, attracts arresting lever 4 to move downward along axis.Electromagnetic coil 6 scribbles sealing compound, plays the effect of waterproof and insulation.End cap 8 is threaded connection with the upper end of housing 7.
Housing 7 bottom is provided with flange 5, and flange 5 is provided with 4 installing holes, in order to be fixedly connected with support floor 19 by screw.Supporting floor 19 is welded between the inner side door panel 14 of arrangements for automotive doors and outside door plate 15, and profile of tooth gag lever post 3 passes hinged with body upright post by inner side door panel opening 16.
Stopper slot on profile of tooth gag lever post 3 is rectangular channel, the side, rectangular shaft lower end of arresting lever 4 is vertical plane, opposite side is cambered surface, when arresting lever 4 is inserted in rectangular channel, vertical plane and the rectangular channel side of arresting lever 4 side fit, limit car door 17 to continue to open, and when car door 17 is closed, the cambered surface of the rectangular shaft lower end opposite side of arresting lever 4 and joint, rectangular channel side, arresting lever 4 receives the power of an arcuately face normal direction, the size of this power is directly proportional to the power of closed door, when the component of the vertical direction of the power that arresting lever 4 receives be greater than electromagnetic coil 6 produce the difference of the elastic force that electromagnetic force and helical spring 9 produce time, arresting lever 4 will move up, thus depart from from rectangular channel, the restriction of contact to car door 17, realize the normal closedown of car door 17.
Multiple stopper slots that profile of tooth gag lever post 3 is arranged are non-equidistant placement, and preferred as one, the quantity of stopper slot is 5.The spacing of two adjacent stopper slots is determined by designing and calculating, makes profile of tooth gag lever post often pull spacing car door 17 distalmost end of a stopper slot to the change of automobile side apart from identical.
Preferred as one, described opening angle detects 21 devices and comprises the angular transducer be connected between car door 17 and car body, for measuring the opening angle of car door 17.
Preferred as another kind, described opening angle checkout gear 21 comprises the position sensor be arranged in described spacing executing agency 2, for measuring the position of described arresting lever 4 relative to described profile of tooth gag lever post 3, determine by positional information the angle that car door 17 has been opened.
The automatically controlled stopping means of car door of the present invention also comprises control button 11 and indicator lamp, and wherein indicator lamp comprises 4 spacing warning lights 12 and warning lamp 13.As shown in Figure 8, control button 11 is positioned on the left of automobile center console 18, when driver needs artificially to close the automatically controlled stopping means of this car door, can press this button shutdown system, realize artificially controlled.When arbitrary car door is limited, be energized with warning lamp 13 and this corresponding vehicle door spacing warning light 12 and light, be used for the limited car door position of prompting driver and spacing number.4 vehicle door spacing warning lights 12 are controlled by the Light-Emitting Diode be embedded in instrument, and warning lamp 13 places light emitting diode under the black plastic panel emptying " vehicle door spacing, take care " printed words on instrument board to realize; 4 vehicle door spacing warning lights 12 and warning lamp 13 all control its luminescence by controller.
As the controller electrical schematic diagram that Fig. 9 is the automatically controlled stopping means of arrangements for automotive doors, described controller is the core component of the automatically controlled stopping means of car door, this controller is by vehicle-mounted 12V Power supply, and read the signal of ultrasonic radar and system closing button, control the spacing executing agency work of 4 car doors according to the control program stored in single-chip microcomputer internal memory in controller, and light corresponding vehicle door spacing warning light.
Controller comprises single-chip microcomputer, power module, 4 groups of identical electromagnetic coil drive amplification circuit.The VOUT pin of 4 ultrasonic radars is connected with single-chip microcomputer P3.0, P3.1, P3.2 and P3.3 respectively, Vcc with the GND pin of ultrasonic radar is connected with Vcc and the GND pin of single-chip microcomputer.
4 electromagnetic coils 6 in spacing executing agency 2 on 4 car doors are connected with group drive amplification circuit delivery outlet of 4 in controller respectively, drive amplification circuit is existing conventional triode drive amplification circuit, is made up of photoelectrical coupler, transistor amplifier and fly-wheel diode.Photoelectrical coupler can select model to be TIL117, and transistor amplifier is made up of triode and two resistance, and wherein triode VT can select model to be 9013, and fly-wheel diode VD can select IN4001 in addition.The input of the photoelectrical coupler of 4 groups of identical electromagnetic coil drive amplification circuit respectively with the Vcc of single-chip microcomputer, P1.7, P1.6, P1.5, P1.4 pin is connected.
The fly-wheel diode VD output of 4 groups of electromagnetic coil drive amplification circuit is connected with the 12V end of power module and the input of 4 electromagnetic coils jointly.The collector terminal of the triode VT of 4 groups of electromagnetic coil drive amplification circuit is connected with the input of fly-wheel diode VD, the output of 4 electromagnetic coils jointly.The input of vehicle door spacing warning light a is connected with the P1.3 pin of single-chip microcomputer, the input of vehicle door spacing warning light b is connected with the P1.2 pin of single-chip microcomputer, the input of vehicle door spacing warning light c is connected with the P3.5 pin of single-chip microcomputer, the input of vehicle door spacing warning light d is connected with the P3.4 pin of single-chip microcomputer, and their output is combined into and is a bit connected with single-chip microcomputer GND pin by warning lamp 13.Finally the Vcc of single-chip microcomputer end and GND end are connected on 5V end and the GND end of power module.Vehicle-mounted 12V power supply positive and negative terminal is connected with the positive-negative input end of the power module of controller respectively, is powered, and adds master switch K on 12v positive pole line.One end of control button 11 is connected with power module 5V output, and the other end is connected with single-chip microcomputer P3.7 pin.
The control principle of controller is as follows:
The corresponding opening vehicle door angle in stopper slot position on the profile of tooth gag lever post 3 of arrangements for automotive doors is ascending is respectively α 1, α 2, α 3, α 4, during opening car door, first ultrasonic radar records the minimum range h of car door to obstruction, and single-chip microcomputer reads this distance value afterwards, and (Qianmen is f to read known car door maximum length f f, back door is f r), using formula β=arcsin (h/f), calculates maximum opening β, if β>=α 5, show that this distance belongs to safe distance, without the need to controlling, program exits.If β < is α 5, then α is according to β 1, α 2, α 3, α 4, α 5concrete interval, Single-chip Controlling electromagnetic coil be energized, attract arresting lever 4 snap in the groove of profile of tooth gag lever post 3 correspondence, now car door is slightly less than the maximum opening angle of permission, effectively prevents car door and extraneous obstruction from colliding.Meanwhile, on instrument board to should the spacing warning light of car door and warning lamp light, the signal language of display " vehicle door spacing, take care " also, with the car door of pointing out driver limited.
And occupant at closing time, because the bottom of spacer pin is cambered surface near vehicle body side, spacing profile of tooth pull bar 3 compresses spacer pin and overcomes electromagnetic force and retract, so can not produce obstruction of closing the door, car door can be closed smoothly.When car door opening angle β=0 calculated, the automatically controlled stopping means of this car door quits work, and electromagnet pin is due to return spring effect reset, and corresponding spacing warning light extinguishes.
Stored in the control program of the automatically controlled stopping means of the arrangements for automotive doors finished in advance in the controller of the automatically controlled stopping means of car door of the present invention, as shown in Figure 10, it is as follows that program specifically performs step:
1, program initialization, calls in the α designed in advance 1, α 2, α 3, α 4, α 5, f f, f r; And give variable h iand β iinitialize, i=1,2,3,4; Represent 4 car doors respectively:
h i=0;β i=0。
2, when personnel open the door by bus, the car side spacing h that 4 ultrasonic radars are measured is read i, go out β according to following formulae discovery i:
Left front door: β 1=arcsin (h 1/ f f);
Left back door: β 2=arcsin (h 2/ f r);
Right front door: β 3=arcsin (h 3/ f f);
Right-rear-door: β 4=arcsin (h 4/ f r);
3, β is judged iwhether signal is more than or equal to α 5;
"Yes" then skips to the 6th step, EP (end of program);
May collide with obstruction to maximization if "No" then shows that car door is opened, now need spacing.
4, β is judged iin-scope and then determine spacing angle.
5, β is worked as i< α 1time, electromagnetic coil is energized, and spacer pin is stuck on the left of spacing profile of tooth pull bar 3 in the 1st groove, and simultaneously corresponding vehicle door spacing warning light and warning lamp light;
Work as α 1≤ β i< α 2time, electromagnetic coil is energized, and spacer pin is stuck on the left of spacing profile of tooth pull bar 3 in the 2nd groove, and simultaneously corresponding vehicle door spacing warning light and warning lamp light;
Work as α 2≤ β i< α 3time, electromagnetic coil is energized, and spacer pin is stuck on the left of spacing profile of tooth pull bar 3 in the 3rd groove, and simultaneously corresponding vehicle door spacing warning light and warning lamp light;
Work as α 3≤ β i< α 4time, electromagnetic coil is energized, and spacer pin is stuck on the left of spacing profile of tooth pull bar 3 in the 4th groove, and simultaneously corresponding vehicle door spacing warning light and warning lamp light;
Work as α 4≤ β i< α 5time, electromagnetic coil is energized, and spacer pin is stuck on the left of spacing profile of tooth pull bar 3 in the 5th groove, and simultaneously corresponding vehicle door spacing warning light and warning lamp light;
When personnel's closed door of riding is to β iwhen=0, electromagnetic coil power-off, corresponding vehicle door spacing warning light and warning lamp extinguish.
6, spacing release.
Another embodiment of the invention as shown in figure 11, spacing executing agency 2 comprises profile of tooth gag lever post 3 and arresting lever 4, profile of tooth spacing 3 is provided with continuous print sawtooth, arresting lever 4 lower end has a tip, arresting lever 4 can rotate around the axle being located thereon end, when the tip, lower end of arresting lever 4 contacts with profile of tooth gag lever post 3, they constitute a Ge Jitiao mechanism, limit the movement that profile of tooth gag lever post 3 is outside, thus limit the outside unlatching of car door, and profile of tooth gag lever post 3 can move inward freely, achieve the normal closedown of car door.Spacing executing agency 2 also comprises the electromagnet formed primarily of electromagnetic coil 6, and elastic component 9, described elastic component 9 is preferably helical spring or torsion spring, described electromagnet and elastic component 9 pairs of arresting levers 4 apply the contrary moment of torsion in direction, make it rotate around axis of rotation, complete the restriction of profile of tooth gag lever post position or lift restrictions.
Although embodiment of the present invention are open as above, but it is not restricted to listed in manual and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.

Claims (10)

1. the automatically controlled stopping means of car door, is characterized in that, comprising:
Obstacle detecting device, it is installed on outside car body, for the distance of inspection vehicle body side surface to obstruction;
Controller, it is configured to according to the distance of described vehicle body side to obstruction, determines the maximum permission opening angle of car door;
Spacing executing agency, it is installed on the hinged place of car door and car body, comprises profile of tooth gag lever post and arresting lever, and described spacing executing agency is configured to the outside opening angle of restriction car door and is no more than described maximum permission opening angle, and allows car door freely inwardly to close;
Wherein, described profile of tooth gag lever post is provided with rectangle stopper slot, side, described arresting lever bottom is set to vertical plane, and opposite side is set to cambered surface, and described arresting lever bottom coordinates with described rectangle stopper slot, limits the single-way moving of described profile of tooth gag lever post.
2. the automatically controlled stopping means of car door according to claim 1, is characterized in that, described obstacle detecting device comprises ultrasonic radar, and described ultrasonic radar is installed on the sill plate below car door.
3. the automatically controlled stopping means of car door according to claim 1 and 2, is characterized in that, described spacing executing agency also comprises:
Opening angle checkout gear, it is for determining the opening angle of car door;
Driver, it is connected with described arresting lever, drives described arresting lever to move, and engages with described stopper slot or be separated.
4. the automatically controlled stopping means of car door according to claim 3, it is characterized in that, described driver comprises electromagnetic coil and elastic component, described electromagnetic coil energising produces the electromagnetic force put on described arresting lever afterwards, described elastic component puts on an elastic force on described arresting lever, and described electromagnetic force is contrary with elastic force direction.
5. the automatically controlled stopping means of car door according to claim 4, is characterized in that, described rectangle stopper slot is furnished with 5 along described profile of tooth gag lever post.
6. the automatically controlled stopping means of car door according to claim 5, it is characterized in that, stopper slot on described profile of tooth gag lever post is that non-equidistant is arranged, and when described arresting lever often moves in adjacent stopper slot in a stopper slot, car door distalmost end to the change of automobile side apart from identical.
7. the automatically controlled stopping means of the car door according to claim 3 or 4, it is characterized in that, described driver also comprises housing and the upper cover of hollow, described arresting lever to be arranged in described housing and to slide up and down relative to described housing, buffer spring is provided with, to reduce the impact of described arresting lever to described upper cover between described arresting lever and described upper cover.
8. the automatically controlled stopping means of car door according to claim 1, is characterized in that, described opening angle checkout gear comprises the angular transducer be connected between car door and car body, for measuring the opening angle of car door.
9. according to claim 1,2, the automatically controlled stopping means of car door according to any one of 4-8, it is characterized in that, the automatically controlled stopping means of described car door also comprises control button and indicator lamp, for controlling unlatching and the indicating operating status of described stopping means.
10. the automatically controlled stopping means of car door, is characterized in that, comprising:
Obstacle detecting device, it is installed on outside car body, for the distance of inspection vehicle body side surface to obstruction;
Controller, it is configured to according to the distance of described vehicle body side to obstruction, determines the maximum permission opening angle of car door;
Spacing executing agency, it is installed on the hinged place of car door and car body, comprises profile of tooth gag lever post and arresting lever, and described spacing executing agency is configured to the outside opening angle of restriction car door and is no more than described maximum permission opening angle, and allows car door freely inwardly to close;
Wherein, described profile of tooth gag lever post is provided with continuous print sawtooth, described arresting lever lower end has a tip, matches with the sawtooth on described profile of tooth gag lever post in described arresting lever lower end, and formation can limit described profile of tooth gag lever post single-way moving Ji Tiao mechanism.
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CN110145198A (en) * 2019-04-22 2019-08-20 浙江合众新能源汽车有限公司 A kind of safe open-door system and its application method suitable for motor vehicles
CN111270933A (en) * 2019-12-11 2020-06-12 浙江零跑科技有限公司 Magnetic limiter for automobile door
CN112502548A (en) * 2019-09-16 2021-03-16 比亚迪股份有限公司 Vehicle, method and apparatus for controlling door opening of vehicle, and storage medium
CN113910873A (en) * 2021-09-07 2022-01-11 杨谦 Safety vehicle door capable of reducing impact injury
CN115637907A (en) * 2022-09-26 2023-01-24 重庆长安汽车股份有限公司 Electric door opening system without handle, control method and computer readable storage medium

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CN107366492A (en) * 2017-07-27 2017-11-21 树钢 A kind of arrangements for automotive doors anti-clipping system
CN109488133A (en) * 2017-09-12 2019-03-19 曾文昌 The safety catch of door
CN107539262B (en) * 2017-09-14 2023-12-15 湖北科技学院 Automobile safety monitoring system based on radar application
CN107539262A (en) * 2017-09-14 2018-01-05 湖北科技学院 A kind of automotive safety monitoring system based on radar application
CN108166870A (en) * 2018-03-08 2018-06-15 济南大学 A kind of sliding rail block type car door limiter
CN108193965A (en) * 2018-03-08 2018-06-22 济南大学 A kind of spring block formula car door limiter
CN108561030A (en) * 2018-03-12 2018-09-21 展静 Straight-opening type arrangements for automotive doors is slow to open safety device
CN109624669A (en) * 2018-12-17 2019-04-16 梁霄 A kind of quickly induction safety open motor vehicle door arrangement
CN110145198A (en) * 2019-04-22 2019-08-20 浙江合众新能源汽车有限公司 A kind of safe open-door system and its application method suitable for motor vehicles
CN112502548A (en) * 2019-09-16 2021-03-16 比亚迪股份有限公司 Vehicle, method and apparatus for controlling door opening of vehicle, and storage medium
CN111270933A (en) * 2019-12-11 2020-06-12 浙江零跑科技有限公司 Magnetic limiter for automobile door
CN113910873A (en) * 2021-09-07 2022-01-11 杨谦 Safety vehicle door capable of reducing impact injury
CN113910873B (en) * 2021-09-07 2023-12-08 磐安县天诚科技有限公司 Safety vehicle door capable of reducing impact injury
CN115637907A (en) * 2022-09-26 2023-01-24 重庆长安汽车股份有限公司 Electric door opening system without handle, control method and computer readable storage medium

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