CN1232715C - Locking control method and locking device of car door - Google Patents

Locking control method and locking device of car door Download PDF

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Publication number
CN1232715C
CN1232715C CNB021481415A CN02148141A CN1232715C CN 1232715 C CN1232715 C CN 1232715C CN B021481415 A CNB021481415 A CN B021481415A CN 02148141 A CN02148141 A CN 02148141A CN 1232715 C CN1232715 C CN 1232715C
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CN
China
Prior art keywords
mentioned
locking
power supply
switch
speed
Prior art date
Application number
CNB021481415A
Other languages
Chinese (zh)
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CN1415834A (en
Inventor
宇野博生
Original Assignee
株式会社纳博克
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to JP334398/2001 priority Critical
Priority to JP334398/01 priority
Priority to JP2001334398A priority patent/JP3980325B2/en
Application filed by 株式会社纳博克 filed Critical 株式会社纳博克
Publication of CN1415834A publication Critical patent/CN1415834A/en
Application granted granted Critical
Publication of CN1232715C publication Critical patent/CN1232715C/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B83/00Vehicle locks specially adapted for particular types of wing or vehicle
    • E05B83/36Locks for passenger or like doors
    • E05B83/363Locks for passenger or like doors for railway vehicles
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00Locks or fastenings for special use
    • E05B65/08Locks or fastenings for special use for sliding wings
    • E05B65/087Locks or fastenings for special use for sliding wings the bolts sliding parallel to the wings
    • E05B65/0876Locks or fastenings for special use for sliding wings the bolts sliding parallel to the wings cooperating with the slide guide, e.g. the rail
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/60Power-operated mechanisms for wings using electrical actuators
    • E05F15/603Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/632Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00Application of doors, windows, wings or fittings thereof
    • E05Y2900/50Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/51Application of doors, windows, wings or fittings thereof for vehicles for railway cars or mass transit vehicles

Abstract

To provide a door lock control method for a vehicle, which can positively prevent unlocking of a door during traveling of the vehicle, to thereby improve the safety of door locking, and to provide a door lock device. Door lock control for the vehicle is carried out by using a locking means which energizes a lock switching pin to a locking position by the force of a spring, and switches the lock switching pin to an unlocking position by supplying electric power to a solenoid (54). When the traveling speed of the vehicle is below a constant value, a control device (70) on-off-controls power supply from a power source (80) to the solenoid (54), based on a command input from outside. When the traveling speed of the vehicle is equal to or larger than the constant value, a vehicle speed detecting switch (81) is operated, and power supply from the power source (80) to the solenoid (54) is inhibited in spite of the input of the command.

Description

The method for control of locking of car door and locking device

Technical field

The invention relates to and be used for fixing on the method for control of locking and the locking device of complete fastening position being arranged at car door lock on rolling stock etc.

Background technology

In the past, as be used for the driven for opening and closing rolling stock the door means, normally the fluid pressure with air pressure etc. is used as drive source, in recent years, by lower driving the viewpoint that sound or control are responded property or promoted maintainability, and carried out using the exploitation of opening and closing device of railway car door in the driven by power source of motor etc.

Be used as in the device of drive source with motor etc. this, after door is closed fully, in order to prevent that motor from burning or to need to cut off the energising of motor in order to save electric power, and the words that motor cuts out, can be accompanied by rotating freely of its output shaft and allow door move arbitrarily, be used for door is remained on the locking device of buttoned-up status so need to be provided with in addition.

In the past, as the means that are used for allowing door close fully and to lock, the known device that has Japanese kokai publication hei 4-228788 communique to be disclosed.This device is to carry out the switching of door by feed screw mechanism, and reaches the stage of closing fully at door, can allow the automatic start of locking mechanism by the elastic force of spring, locks this buttoned-up status.

In the past, in order more positively to carry out above-mentioned lock out action, developed the driven by power source of using solenoid etc. and can switch to door is fixed on the lock-out state of complete fastening position and the locking device of the unlock state of the locking of removing door (for example opening flat 9-199 fiche with reference to Japan is real).In this locking device, its locking of carrying out control is to instruct the input of (for example unlock instruction or the instruction of opening the door) to come conducting or cut off above-mentioned driven by power source according to predetermined latch-release.

At this locking device is to control in the device that independently carries out with the driven for opening and closing of door, and the device that in above-mentioned Japanese kokai publication hei 4-228788 communique, is disclosed with the door the on-off action interlock lock switching, might in vehicle ', miss latch-release.

That is to say, car door is forbidden opening and closing in principle in vehicle ', so lock in the device for switching for this switching interlock with door, be not worry to allow door-lock-release in vehicle ', wait by solenoid independently respectively in the locking device that locks switching at open and-shut mode with car door, might be owing to latch-release instruction input is allowed latch-release by mistake in vehicle '.

Summary of the invention

The present invention is in view of this situation, and its purpose is to provide a kind of method for control of locking and locking device of car door, can prevent really that door lock is opened when vehicle ', improves safety.

As using the mode that solves above-mentioned problem, the present invention switches to for a kind of use includes car door lock is fixed on the latched position of complete fastening position and the locking switching member of backing out the non-locked position of liberating above-mentioned car door from this latched position, be used for to lock the spring member that switching member suppresses towards above-mentioned latched position side, and supply with the locking device that the elastic force pressure that makes above-mentioned locking switching member overcome above-mentioned spring member with its electromagnetic force switches to the electromagnetic actuator device of above-mentioned non-locked position by accept power supply from power supply, carry out the method for the locking control of car door, when the travel speed of vehicle does not reach certain speed, can come conducting or cut-out from of the power supply of above-mentioned power supply according to coming from outside instruction to electromagnetic actuator device, when the travel speed of vehicle when above-mentioned certain speed is above, no matter the input of above-mentioned instruction how, forbid electromagnetic actuator device being powered from above-mentioned power supply.

By this method, do not reach in the state of safety of certain speed in the travel speed of vehicle, be by coming conducting according to the instruction of importing from the outside or cutting off from of the power supply of above-mentioned power supply to electromagnetic actuator device, carry out usual locking control, on the other hand, when the travel speed of vehicle when above-mentioned certain speed is above, then no matter the input of above-mentioned instruction how, forbid electromagnetic actuator device being powered, therefore can positively prevent in the vehicle ' mistiming situation that the latch-release of door is such from above-mentioned power supply.

The releasing that above-mentioned power supply is forbidden, though also can not reaching the time point of above-mentioned certain speed in the travel speed of vehicle carries out immediately, if but do not reach under the state of above-mentioned certain speed in the travel speed of vehicle and when carrying out the input operation of latch-release instruction, remove above-mentioned power supply and forbid, the person that just can prevent the lock operation is (for example: the vehicle commander) removed the situation that locks between being not intended to.

The present invention is for switching to latched position that car door lock is fixed on complete fastening position and the locking switching member of backing out the non-locked position of liberating above-mentioned car door from this latched position a kind of including, be used for to lock the spring member that switching member suppresses towards above-mentioned latched position side, supply with the electromagnetic actuator device that the elastic force pressure that makes above-mentioned locking switching member overcome above-mentioned spring member with its electromagnetic force switches to above-mentioned non-locked position by accept power supply from power supply, and be used for conducting or cut off locking device to the vehicle of the switching mechanism of the power supply of this electromagnetic actuator device, possessing has: the locking controlling organization of operating above-mentioned switching mechanism according to the instruction of importing from the outside, whether the travel speed that is used for detecting vehicle speed testing agency more than certain speed, and, the travel speed that detects vehicle electromagnetic actuator device is powered from above-mentioned power supply when stoping when certain speed is above, and no matter the input of above-mentioned instruction how, remains on above-mentioned locking switching member the locking maintaining body of latched position.

By this device, do not reach in the travel speed of vehicle under the state of safety of certain speed, the locking maintaining body can start, by the control of locking controlling organization, comes conducting or the power supply that cuts off from above-mentioned power supply to electromagnetic actuator device is supplied with according to the instruction of importing from the outside.That is to say the switching that can lock.Relatively, if the travel speed that detects vehicle is more than above-mentioned certain speed, the locking maintaining body can stop from above-mentioned power supply powers to electromagnetic actuator device, so no matter how above-mentioned instruction is imported, above-mentioned locking switching member also can be maintained at latched position.So, just can positively prevent the mistake situation that the latch-release of door is such in vehicle '.

And, make when possessing instruction input switch that the input operation that is used for carrying out the latch-release instruction is arranged and under the travel speed of vehicle does not reach the state of above-mentioned certain speed, carrying out the input operation of above-mentioned instruction input switch, can make the locking of the prevention action releasing of above-mentioned power supply keep cancel system, just can be returned to and to switch the state of locking according to lock operation person's (for example vehicle commander) the meaning, and can prevent between being not intended to of above-mentioned lock operation person situation latch-release.

Be used for forbidding the action of above-mentioned power supply, though also can be undertaken by the program of for example micro computer, but possess the travel speed that has when vehicle and when certain speed is above, can disconnect if make, the speed of a motor vehicle sense switch that can connect when the travel speed of vehicle does not reach certain speed, to be assembled in this speed of a motor vehicle sense switch in the power supply circuits of above-mentioned electromagnetic actuator device, when disconnecting, this speed of a motor vehicle sense switch then can not power to electromagnetic actuator device from above-mentioned power supply, then this speed of a motor vehicle sense switch can be used for speed of a motor vehicle testing agency and locking maintaining body, the power supply in the time of just can positively carrying out vehicle ' with simple structure stops action.

For example, if allow above-mentioned speed of a motor vehicle sense switch between above-mentioned power supply and electromagnetic actuator device, by allowing same switch disconnect the power supply that just can positively stop to Electromagnetic Drive.

In this case, if make and possess the instruction input switch that the input operation that is used for carrying out the latch-release instruction is arranged, the on-off switch of connecting and being provided with above-mentioned speed of a motor vehicle sense switch, and the driving mechanism for switches that above-mentioned on-off switch is connected, then have only because the very low and above-mentioned speed of a motor vehicle sense switch of travel speed is connected, on-off switch just can disconnect, so can not remove prevention power supply to electromagnetic actuator device, in addition, owing to only when the input operation by above-mentioned instruction input switch allows above-mentioned on-off switch connect, remove above-mentioned prevention power supply, so can prevent the situation that above-mentioned lock operation person unlocks between being not intended to.

That is to say, above-mentioned on-off switch and driving mechanism for switches are only to constitute when carrying out the input operation of above-mentioned instruction input switch under the travel speed at vehicle does not reach the state of above-mentioned certain speed, and the locking of removing the prevention of above-mentioned power supply keeps cancel system.

The present invention as previously discussed, when the travel speed of vehicle does not reach certain speed, come conducting or cut-out from of the power supply of above-mentioned power supply according to instruction to electromagnetic actuator device from the outside input, when the travel speed of vehicle when above-mentioned certain speed is above, then regardless of the input of above-mentioned instruction, forbid from above-mentioned power supply electromagnetic actuator device being powered in the capital, so can realize preventing really the effect that unblanking in the vehicle ' allows safety improve.

Description of drawings

Fig. 1 is the front view that shows the opening/closing door of vehicle drive unit of embodiments of the present invention.

Fig. 2 is the A-A line sectional drawing of Fig. 1.

Fig. 3 is the B-B line sectional drawing of Fig. 4.

Fig. 4 is used for the part section plan view of above-mentioned door locked at the locked component of complete fastening position.

Fig. 5 is the side view of above-mentioned locked component.

Fig. 6 is the block diagram of functional structure that shows the control device of the driven for opening and closing be used for controlling above-mentioned door and locking.

Fig. 7 comprises the demonstration figure of the locking control of above-mentioned control device with circuit.

Fig. 8 is the sequential chart that shows the control action of the above-mentioned control device when opening the door.

Fig. 9 is the sequential chart that shows the control action of above-mentioned control device at closing time.

The specific embodiment

According to drawing preferred implementation of the present invention is described.The embodiment here is the structure that is used for locking the car door of sliding door type, and locking means of the present invention also can be applicable to other forms of door effectively, the locking of the door of the formula that for example pushes or folding gate-type.

In Fig. 1, about sliding door 10 directly near position (in legend be an end position) be provided with locked component 30.And, by this locked component 30, come two sliding doors 10 are locked in complete fastening position.

As Fig. 3~shown in Figure 5, above-mentioned locked component 30 possesses the installing plate 32 that vertical direction is arranged, and is to wait this installing plate 32 is fixed on structure one side to omit illustrated bolt.

Predetermined position (bottom, left side in Fig. 3) at above-mentioned installing plate 32 is being fixed by its leading flank (being right flank in Fig. 5) fulcrum 34 outstanding towards the place ahead, and having at these fulcrum 34 upper supports can be around the revolving member 36 of these fulcrum 34 rotations.Specifically, the mid portion of revolving member 36 is provided with circular through hole, is that the state with chimeric this through hole and above-mentioned fulcrum 34 is installed in fast pulley 35 on the leading section of fulcrum 34.

In the bottom of above-mentioned revolving member 36, be fork 36a, the 36b that two strands of shape ground form pair of right and left, between these forks 36a, 36b, be formed with slot 36c.This slot 36c makes open roughly inverted u-shaped down.

Relatively, the upper end of part is fixed with the carriage 17 (Fig. 5) outstanding towards the top near the door end of the sliding door of a side (in Fig. 1 be left side sliding door) 10 therein, and engaging pin 18 be from this carriage 17 towards the place ahead (being right-hand among Fig. 5) give prominence to.

This engaging pin 18 as shown in Figure 3, having can be from stretches into the diameter in the above-mentioned slot 36c almost very close to each otherly between the leading section of above-mentioned two fork 36a, 36b, when above-mentioned sliding door 10 is positioned at complete fastening position is the solid line position that is positioned at Fig. 3, is accompanied by sliding door 10 and moves and move (with the double dot dash line of figure) towards the left side of Fig. 3 towards opening direction from this complete fastening position.And when above-mentioned sliding door 10 is positioned at the near zone of above-mentioned complete fastening position (when engaging pin 18 during at regional between the solid line position of Fig. 3 and the double dot dash line position), in fact this engaging pin 18 can stretch into above-mentioned slot 36c interior (just can engage).

And, the shape set of above-mentioned slot 36c and two fork 36a, 36b is become, under this fastening state, (just engaging pin 18 moves horizontally) moved in the switching that is accompanied by sliding door 10, and revolving member 36 rotates around fulcrum 34.So, revolving member 36 is positioned at the rotational angle position (stand up position) shown in the solid line of Fig. 3 under the 10 complete closing state at sliding door, be accompanied by sliding door 10 and open from this position and turn to the rotational angle position (engaging pin 18 is from the obliquity of slot 36c disengaging) shown in the double dot dash line of Fig. 3 towards the clockwise direction of Fig. 3.

On above-mentioned installing plate 32, (in the right upper portion of Fig. 3) is fixed with other fulcrums (supporting member) 38 that are different from above-mentioned fulcrum 34 at the position that deviates from above-mentioned fulcrum 34.This fulcrum 38 also is outstanding towards the place ahead from the front face of installing plate 32, and lock arm (linkage part) 40 is installed on this ledge.

Specifically, on a wherein side the end (base end part) of lock arm 40, be formed with the 40a of tube portion with circular through hole, under the state in the outside that the 40a of this is entrenched in above-mentioned fulcrum 38, on this fulcrum 38, fast pulley 42 is installed, by this structure, the base end part of lock arm 40 (40a of tube portion) can be supported on the fulcrum 38 rotationally around fulcrum 38.

Around the above-mentioned tube 40a of portion, be provided with spiral winding spring 44.A wherein end of this spiral winding spring 44 is fixed on the pin 40b that gives prominence on the back side that is arranged at above-mentioned lock arm 40, the other end is fixed on the pin 32b of the outstanding front face that is arranged at installing plate 32, and it is the direction that rotates counterclockwise (Fig. 3 rotates counterclockwise) that the elastic force by this spiral winding spring 44 allows above-mentioned lock arm 40 be suppressed to it seems from the place ahead.

On the opposing party's of lock arm 40 end (leading section), engaging can be installed rotatably with roller 48 around the axle of fore-and-aft direction.Specifically, as shown in Figure 4, axial region 46 be from the back side of lock arm 40 (trailing flank) towards the rear (above among Fig. 4 being) outstanding, rotatably setting-in above-mentioned engaging with roller 48 on this axial region 46.

Relatively, at the first half of above-mentioned revolving member 36, formed fork 36d, the 36e of pair of right and left, above-mentioned engaging can extend between two fork 36d, the 36e with roller 48 two strands of shapes.

Wherein the medial surface of a side fork 36d is as the guiding face 36f of above-mentioned engaging with roller 48.The opposing party's fork 36e, its leading section be bend to hook-shaped, the front end face of this unci be as can with the above-mentioned bearing surface 36g that engages with roller 48 butts.

Specifically, be to be positioned under the state of the obliquity shown in the double dot dash line of Fig. 3 at revolving member 36, engaging uses roller 48 butts (with the figure double dot dash line) in end, the inboard of guiding face 36f (root of fork 36d), be accompanied by revolving member 36 rotation towards the direction that is rotated counterclockwise with figure (direction that sliding door 10 moves towards complete fastening position) from this position, above-mentioned engaging with roller 48 can be on above-mentioned guiding face 36f to rotating (that is to say) along with the rotation engaging of lock arm 40 is risen with roller 48 towards the direction of the front of fork 36d, under the state of the complete fastening position of sliding door 10 arrival (state of the stand up position shown in the solid line of revolving member 36 arrival Fig. 3) at last, above-mentioned engaging can be led to the position of bearing surface 36g of the front end of the fork 36e shown in the solid line that abuts to Fig. 3 with roller 48, set the shape of revolving member 36 with this.

In legend, above-mentioned bearing surface 36g makes to have less times greater than the arc surface of engaging with the radius of curvature of the radius of roller 48.The configuration of each member is to set for, above-mentioned fulcrum 38 is arranged on engaging is connected to its bearing surface 36g with roller 48 the extended line L (Fig. 3 single-point rule) of rotation tangential direction (is horizontal direction in legend) of revolving member 36 of position (abutment) P, and the position of the lock arm 40 under this state (position shown in Fig. 3 solid line) is equivalent to the present invention's so-called " closing correspondence position fully ".That is to say, close fully in the correspondence position that lock arm 40 is between the bearing surface 36g of revolving member 36 and fulcrum 38 and stop revolving member 36 to rotate towards the direction (clockwise direction of Fig. 3) of opening sliding door at this.

Though above-mentioned lock arm 40 can be because the elastic force of weight of itself and spiral winding spring 44 and suppressed and be rotated counterclockwise direction (direction that engaging descends with roller 48) to Fig. 3, and revolving member 36 reaches the words of the obliquity shown in the double dot dash line of Fig. 3, engaging can be sandwiched between two fork 36d, the 36f of this revolving member 36 with roller 48, and allows engaging can not continue decline (lock arm 40 can not rotate towards the counter clockwise direction of Fig. 3) again with roller 48.

That is to say that this obliquity becomes the mobile restriction site of revolving member 36.And the shape set of revolving member 36 becomes, and in this obliquity, the slot 36c of revolving member 36 is open towards oblique below, and this slot 36c can allow the engaging pin 18 of above-mentioned sliding door 10 sides enter.

This locked component 30 possesses locking switching mechanism 50 is arranged, and these locking switching mechanism 50 changeable one-tenth remain on the above-mentioned lock-out state of correspondence position and the unlock state of liberation lock arm 40 of closing fully with above-mentioned lock arm 40.

Locking switching mechanism 50 possesses shell shown in Figure 4 52 is arranged, and above-mentioned shell 52 is the lower faces that are fixed on from the upper end supporting board 32a that (being right-hand among Fig. 5) prolongs towards the place ahead of above-mentioned installing plate 32.Therefore, locking switching mechanism 50 all is to be draped to be bearing in installing plate 32 1 sides, and becomes the state in the place ahead that is disposed at installing plate 32.

In above-mentioned shell 52, be fixed with as the solenoid 54 of electromagnetic actuator device and be used for the sliding bearing locking and switch the guide member 58 of pin (locking switching member) 56, and be to be assembled with the driving force that is used for above-mentioned solenoid 54 to be passed to the drive transmission mechanism 60 that pin 56 is switched in locking.

The structure of above-mentioned solenoid 54 is to have the output shaft 54a that relatively moves towards the direction of haunting with respect to its main body meeting, by making above-mentioned output shaft 54a outstanding from control device 70 output exciting currents (supply capability) described later and with this electromagnetic force.

Sleeve 55 is installed around this output shaft 54a.This sleeve 55 is installed in output shaft 54a, can not relatively move towards direction of principal axis with respect to above-mentioned output shaft 54a, and can in predetermined angular range, relatively rotate the outstanding pin 55a that is provided with on the outer peripheral face of this sleeve 55 with respect to output shaft 54a around its central axis.

On the other hand, near the position above-mentioned sleeve 55 be provided with from the bottom surface of shell 50 towards above (being among Fig. 4) outstanding fulcrum 51 towards beholder side, spiral winding spring (spring member) 53 is installed around this fulcrum 51.This spiral winding spring 53, wherein an end is fixed on above-mentioned pin 55a, the other end is fixed on the pin 52a that is arranged at shell 52 sides, and the elastic force by this spiral winding spring 53 allows the output shaft 54a of above-mentioned sleeve 55 and solenoid 54 also have locking to switch pin 56 and suppressed to submerging in solenoid body side (non-locked position side).

Locking switch pin 56 be with extend fore-and-aft direction (being above-below direction in Fig. 4) towards, can be supported in movably on the guide member 58 towards this fore-and-aft direction, move forward and backward by it, can be switched into the latched position shown in the solid line of Fig. 3~Fig. 5, and the double dot dash line of Fig. 4 shown in the non-locked position that retreats from above-mentioned latched position.

Above-mentioned latched position be project to be positioned at the lock arm 40 of closing correspondence position fully under the position, be present in this latched position by allowing locking switch pin 56, and stoped lock arm 40 to rotate towards the below from the above-mentioned correspondence position of closing fully.That is to say, lock arm 40 is limited in this closes correspondence position fully.And with respect to the non-locked position of this position, be to retreat the position of switching the degree that pin 56 and lock arm 40 can not exert an influence to above-mentioned locking from above-mentioned latched position, locking switch allow under 56 states of pin at this non-locked position above-mentioned lock arm 40 towards below rotation.

The action that drive transmission mechanism 60 is used for being arranged at the direction of haunting of the sleeve 55 on the above-mentioned solenoid 54 is transformed into the action that the fore-and-aft direction of pin 56 is switched in above-mentioned locking, possesses pivot link shown in Figure 4 62 is arranged.

This pivot link 62 can be supported on this fulcrum 51 rotationally around above-mentioned fulcrum 51, and its predetermined position is combined on the pin 55a of above-mentioned sleeve 55, and is formed with the slotted hole 62a that runs through pivot link 62 in the position that deviates from this pin 55a.

On the other hand, on the rear end of above-mentioned locking switching pin 56, be fixed with connecting rod board 64, also be formed with the slotted hole 64a through this connecting rod board 64 on this connecting rod board 64, common pin 66 passes this slotted hole 64a and above-mentioned slotted hole 62a along the vertical direction.

In this locking switching mechanism 50, when the output shaft 54a of above-mentioned solenoid 54 and sleeve 55 elastic force by spiral winding spring 53 be positioned at shown in the solid line of Fig. 4 do not have the implantation site time (when just solenoid 54 cuts off), locking is switched pin 56 and is switched to the latched position shown in the figure solid line, on the other hand, be accompanied by and from this state solenoid switched to dissengaged positions and its output shaft 54a and sleeve 55 and project to the extrusion position shown in the figure double dot dash line, then pivot link 62 rotates and above-mentioned locking is switched pin 56 and is towed to non-locked position with the figure double dot dash line.

Near above-mentioned connecting rod board 64, be provided with and be used for detecting the lock-in detection switch 68 whether locking switching pin 56 has the latched position of being switched to.This lock-in detection switch 68 is made of limit switch, has the contact head 68a that is made of roller.And when above-mentioned locking was switched pin 56 and advanced to latched position, this connecting rod board 64 abutted to above-mentioned contact head 68a, and this lock-in detection switch 68 is switched to conducting state from dissengaged positions.

Fig. 6 is the control device 70 that shows the start be used for controlling above-mentioned driven for opening and closing device 20 and locked component 30.This control device 70 possesses illustrated driven for opening and closing controlling organization 72 and locking controlling organization 74 thereof is arranged.

Driven for opening and closing control device 72 is closed the detection signal of switch 15 output according to door or the command switch 76 and output instruction signal of unlock switch 78 and the output signal (driven for opening and closing of just pulling amount detection signal) that is built in the encoder of said motor 22 wait signal is outputed to motor drive circuit 21, the driving control of carrying out said motor 22 10 the driven for opening and closing control of just pulling simultaneously of opening the door.

Keep timer in the locking controlling organization 74, and be used for receiving the output signal of the lock-in detection switch 68 of speed of a motor vehicle sense switch 81 or above-mentioned locked component 30, come the conducting that the solenoid 54 of above-mentioned locked component 30 is powered or the switching of dissengaged positions just to lock switching with predetermined sequential.

The command switch 76 of opening the door is set at specific operationlocation (for example the vehicle commander is indoor) with unlock switch 78 simultaneously.The command switch 76 that opens the door is to be input to control device 70 by accepting the command signal of opening the door that conducting operation will be equipped with.And simultaneously unlock switch 78 be for example when the act of rescue by accepting conducting operation, and the unlock instruction signal that can remove the locking of each simultaneously is input to control device 70.Two switches 76,78 all are the instruction input switches that is equivalent to be used for importing the latch-release instruction.

Next, the object lesson of the circuit that is assembled with this control device 70 is described according to Fig. 7.

Illustrated circuit includes 80 and three relay R 1 of power supply (being dc source), R2, R3 in legend.The minus earth of power supply 80, on the other hand, at the solenoid 54 of the contact RS1 ' that is equipped with speed of a motor vehicle sense switch 81, relay R 1 with connecting between the positive pole of power supply 80 and the ground wire, above-mentioned locked component 30 and as the transistor 82 of switch means.Above-mentioned relay tip RS1 ' is equivalent to on-off switch of the present invention.

Speed of a motor vehicle sense switch 81 is arranged on the sliding door 10, and whether the travel speed that is used for detecting rolling stock more than certain speed, when this travel speed can disconnect when certain speed (for example 5km/h) is above, then can not connected when reaching this certain speed.

Transistor 82 according to the control signal of being exported from control device 70 with energising conducting or cut-out between solenoid 54 and the ground wire.Specifically, the connector of transistor 82 is connected on the solenoid 54, allows the emitter grounding, base stage then be to be connected to above-mentioned control device 70.

Above-mentioned open the door command switch 76 and simultaneously unlock switch 78 be arranged to above-mentioned speed of a motor vehicle sense switch 81, relay tip RS1 ', solenoid 54, and transistor 82 parallel with one another.Two switches 76,78 are constituted with tumbler switch, then can connect when conducting direction is operated, and the words of operating towards opposite cutting direction then can disconnect.And be provided with the coil RC2 of the relay R 2 of connecting, and in series be provided with the coil RC3 of relay R 3 with unlock switch 78 simultaneously with the command switch 76 that opens the door.

The coil RC1 of relay R 1 be arranged to this relay R 1 contact RS1 ', solenoid 54, and transistor 82 in parallel.And in series being provided with each relay R 2, contact RS2, the RS3 of R3, R1, RS1 with this relay coil RC1, these relay tips RS2, RS3, RS1 dispose parallel with one anotherly.

Relay tip RS1, RS1 ' have only connection when above-mentioned relay coil RC1 is energized, and same coil RC1 disconnects when non-energising.Similarly, relay tip RS2, RS3 have only as above-mentioned relay coil RC2, connect when RC3 is energized, and each coil RC2, RC3 disconnect respectively when non-energising.

These relay R 1, R2, R3 have when opening the door command switch 76 or make the function as driving mechanism for switches (back is described in detail) of relay tip RS1 ' connection when unlock switch 78 switches to conducting state simultaneously.

Next, merge the effect that comprises the circuit and the locked component 30 of this control device 70 with reference to the sequential chart explanation of Fig. 8 and Fig. 9.The sequential chart of Fig. 8 is to show 10 the actions when complete fastening position is opened of will pull, and the sequential chart of Fig. 9 is to show to make 10 the actions when being returned to complete fastening position of pulling.

At first, the state before vehicle arrives parking spot, under the state more than the certain speed, speed of a motor vehicle sense switch 81 is to disconnect as shown in Figure 7 in its travel speed, 54 feeder circuit is forced to cut off from power supply 80 to solenoid.

So, under this state, even shown in the left end of Fig. 8 mistake will open the door command switch 76 or simultaneously unlock switch 78 be operable to conducting state, can not supply power to solenoid 54 yet, locking is switched pin 56 under the tensile force effect of spiral winding spring 53 and be maintained at latched position.That is to say, can positively prevent to remove under steam the situation of door lock owing to the maloperation of each switch 76,78.

At this moment, lock-in detection switch 68 is switched into conducting state, and closing door switch 15 in order to allow sliding door 10 be in complete fastening position becomes conducting state.

Then, almost arrive parking spot and its travel speed when not reaching certain speed at vehicle, speed of a motor vehicle sense switch 81 is connected., in this stage,, relay tip RS1 ' can not power to solenoid 54 so also disconnecting.Except this speed of a motor vehicle sense switch 81 is connected, again by the command switch 76 that opens the door is operating as conducting state, the command signal of then opening the door can be input to control device 70 (moment T1 of Fig. 8), and relay tip RS1 ' connection under the effect of relay R 1, R2.

Specifically, allow relay coil RC2 energising by connecting the above-mentioned command switch 76 that opens the door, be accompanied by this energising relay tip RS2 and connect, and switch on the relay coil RC1 of this relay tip RS2 arranged in series, its result, above-mentioned relay tip RS1 ' connection.Relay tip RS1 also connects simultaneously, and then no matter relay tip RS2 is switched on or switched off, and relay R 1 all can remain on conducting state (self-sustaining).

On the other hand, control device 70 exports control signal to transistor 82 at the time point of the above-mentioned command signal of opening the door of input, and this transistor 82 is switched to conducting state.At this moment, because speed of a motor vehicle sense switch 81 and relay tip RS1 ' connect together, so can power from 80 pairs of solenoids 54 of power supply.That is to say that solenoid 54 can switch to conducting state.

By the electromagnetic actuation force of this solenoid 54, locking is switched pin 56 and is retreated into the latched position shown in the double dot dash line among Fig. 4 and the restriction of the arm 40 that unlocks.Be accompanied by lock-in detection switch 68 is switched to dissengaged positions.Control device 70 confirms that these switches 68 are to switch to dissengaged positions, confirms that just latch-release detects, and the gate drive signal that is used for opening sliding door 10 is outputed to the motor drive circuit 21 (T2 constantly) of driven for opening and closing device 20.

By the output of this gate drive signal, and 10 drivings towards opening direction of pulling begin.Specifically, driving pulley 23 is that the sliding door 10 that counterclockwise rotates about allowing in the figure slides towards the direction that is separated from each other as shown in Figure 1.At this moment, because revolving member 36 is to be fastened on the engaging pin 18 that is arranged on sliding door 10 1 sides, so revolving member 36 with the breakdown action interlock of sliding door 10 from Fig. 3 the stand up position shown in the solid line move to the obliquity shown in the double dot dash line among this figure, above-mentioned then engaging pin 18 breaks away from and only continues the breakdown action of sliding door 10 from revolving member 36.And along with the rotation of above-mentioned revolving member 36, lock arm 40 drops to than this mobile restriction site (double dot dash line position) below more from the horizontal level shown in the solid line of Fig. 3 (fastening position fully).

Above-mentioned gate drive signal is a pulse signal, and in order will sliding door 10 to be quickened gradually by this gate drive signal, the duty ratio of this signal is increased to maximum value (being 70%) gradually from 0% legend.And, arrive 70% time point at this duty ratio, that is to say that the time point (T3 constantly) that finishes in the acceleration of the opening direction of sliding door 10 switches to dissengaged positions with transistor 82.That is to say that the electric power that begins to interrupt solenoid 54 is supplied with, and solenoid 54 is temporarily switched to dissengaged positions.

Supply with by interrupting this electric power, the driving force of solenoid 54 disappears, though locking switching pin 56 is owing to the elastic force pressure of spiral winding spring 53 projects to latched position, because preexist has the lock arm 40 that moves to above-mentioned mobile restriction site, latched position can be do not arrived so pin 56 is switched in above-mentioned locking, the back side of lock arm 40 can be compressed by above-mentioned elastic force pressure.That is to say that switching pin 56 with respect to lock arm 40 lockings is along its direction of principal axis (start direction) butt.

Then, reduce the duty ratio (will open the door drive slow down) of above-mentioned gate drive signal gradually, this duty ratio is remained on the 20% buffering microrunning of opening the door.Then, the time point (T4 constantly) that arrives the position of opening fully at sliding door 10 switches to 4% with duty ratio, keeps the position of this complete opening.

Under the state of this complete opening, with command switch 76 rupturing operations of opening the door, relay R 2 is switched to dissengaged positions, and also can interrupt towards the input signal of control device 70.That is to say that the command signal of opening the door can interrupt just switching to the command signal of closing the door (moment T5 of Fig. 9).

Thereupon, control device 70 gate drive signal that will be used for closing sliding door 10 exports motor drive circuit 21 to.At this moment, the duty ratio of gate drive signal also can increase gradually, keeps this maximum value at the time point that arrives maximum value (being 70%) in legend.

Then, meeting reduce this duty ratio gradually and make to close the door to drive and slow down, arrive the approaching time point in the precalculated position of fastening position fully at sliding door 10, can begin to carry out this duty ratio maintained 20% the buffering microrunning of closing the door, and allow transistor 82 get back to conducting state simultaneously, and conducting is supplied with (T6 constantly) to the electric power of solenoid 54 again.Therefore, allow locking switch pin 56 and be pulled back to the non-locked position shown in the double dot dash line of the 4th figure from the latched position here.

When the sliding door 10 in left side during near fastening position fully, its engaging pin 18 can enter into the slot 36c of the revolving member 36 of the obliquity shown in the double dot dash line that is positioned at Fig. 3.And, the time point that is extend in this slot 36c by engaging pin 18 begins, along with move (among Fig. 3 be towards move right) of this engaging pin 18 towards closing direction, the direction (rotating counterclockwise direction among this figure) of revolving member 36 beginnings stand up position of solid line in this figure is rotated.The lock arm 40 that engages with this revolving member 36 overcomes the elastic force (elastic force pressure) of spiral winding spring 44 and begins clockwise direction rotation in this figure.At this moment, locking is switched pin 56 and is retreated into above-mentioned non-locked position, so can the action of above-mentioned lock arm 40 not impacted.

The driving of closing the door as mentioned above, close door switch 15 and be switched to conducting state, and, stop and 10 time points that stop of pulling at the position detection signal that detects the encoder that is built in motor 22, judge the position (temporary close position) that two sliding doors 10 have arrived mutual butt, with the duty ratio of gate drive signal from 20% rising to 30% and allow the driving force of closing the door promote (T7 constantly) before.Therefore, two sliding doors 10 are accompanied by the compressive strain of the elastomeric material 11 that is arranged on an end and are pressed together powerfully mutually, can arrive complete fastening position.

At this moment, in locked component 30, revolving member 36 arrives the stand up position completely shown in the solid line of Fig. 3, and the bearing surface 36g that automatically lock arm is positioned at its hook portion 36e fully closes correspondence position with roller 48 what the some P of this figure was connected to the engaging of lock arm 40.

Close fully in the correspondence position at this, fulcrum 38 is positioned on the extended line L of rolling tangential direction of revolving member 36 of above-mentioned abutment P, and lock arm 40 is positioned at so-called dead point.Even the elastic force of the elastomeric material 11 of above-mentioned sliding door 10 acts on the lock arm 40 from above-mentioned abutment P as reaction force (reaction force of the direction of opening the door) T, this reaction force T can not act on the power effect that lock arm 40 is rotated yet, and is to act on the lock arm 40 as compressive load specially.In other words, above-mentioned reaction force T is supported in fulcrum 38 1 sides with lock arm 40 when mediating.

Will pull 10 move to complete fastening position after, specifically the duty ratio of gate drive signal is dropped to 4% and the driving force of closing the door is reduced to be lower than the weak driving of usual driving force to keep use driving force, make the built-in timer of control device begin to move simultaneously.

The result that the driving force of will closing the door like this reduces, the reaction force T that is delivered to lock arm 40 from revolving member 36 can descend as shown in Figure 3, this lock arm 40 is kept and is closed correspondence position fully, switch pin 56 also at non-locked position in this time point locking, so be equipped with at for example above-mentioned complete close stance when foreign matter such as clothes clips between the sliding door 10, as long as the strength of opening direction is applied to words on the sliding door 10 with manual mode, can be subjected to power-assisted by the elastic force pressure of spiral winding spring 44 and can make revolving member 36 and lock arm 40 then can open sliding door 10 on one side, therefore just can allow above-mentioned foreign matter deviate from towards rotating with above-mentioned opposite direction.Closing when door switch 15 is switched to dissengaged positions, switch drive control device 20 is being judged as when carrying out the emergency opening operation, and the directions that sliding door 10 was opened towards the scheduled time drive.

On the other hand, close after driving force drops to F2 making, then do not carry out opening door operation, close door switch 15 in conducting state and the timer time in (in legend be the time point that reduces from driving force through 0.5 second time), the duty ratio of gate drive signal is risen to 30% again shift two sliding doors 10 onto complete fastening position again, simultaneously, transistor 82 is switched to dissengaged positions and solenoid 54 is cut off (T8 constantly).So by allowing the electromagnetic actuation force of solenoid 54 disappear, then locking switch pin 56 can be because the elastic force of spiral winding spring 53 and project to the latched position shown in the solid line of Fig. 4 and Fig. 5 from before non-locked position.By the existence that pin 56 is switched in this locking, lock arm 40 just can not depart from from the above-mentioned correspondence position of closing fully, and therefore, the sliding door 10 that is attached on this lock arm 40 via revolving member 36 is locked in above-mentioned complete fastening position.After detecting this lock out action, the duty ratio of gate drive signal adjusted to 0% (just cutting off the energising of motor 22) and finish to close driving by lock-in detection switch 68.

Then, when vehicle take-offs and its travel speed when certain speed is above, speed of a motor vehicle sense switch 81 disconnect and once more force disconnect from the power supply of 80 pairs of solenoids 54 of dc source.And simultaneously, the coil RC1 of relay R 1 also becomes non-energising, contact RS1, contact RS1 ' disconnection.

Though more than shown in action be the action of operation when opening the door command switch 76, and the basic lock out action when operating unlock switch 78 simultaneously can not change yet.

That is to say, when the travel speed of vehicle travelling more than certain speed, speed of a motor vehicle sense switch 81 disconnects, so even mistake simultaneously unlock switch 78 be operable to conducting state, can not allow solenoid 54 switch on yet, just can positively prevent the situation that unlocks under steam.Relatively, when the travel speed of vehicle does not reach the parking of certain speed or does not stop, speed of a motor vehicle sense switch 81 is switched on, and unlock switch 78 switches to conducting state simultaneously under this state, the coil RC3 energising of relay R 3, contact RS3 connects, the coil R1 of relay R 1 energising, and contact RS1, RS1 ' disconnection, and control signal is input to transistor 82 from control device 70, this transistor 82 switches to conducting state, and solenoid 54 is switched on and unlocked.

The command switch 76 and simultaneously in both states (just relay coil RC2, RC3 are in non-power status) of unlock switch 78 of opening the door is cut off in operation at the same time, even dropping to, travel speed do not reach certain speed and 81 connections of speed of a motor vehicle sense switch, can't be at this time point with solenoid 54 energisings (just unlocking).Contact RS2, RS3, RS1 disconnect in order not allow relay coil RC1 energising then allow relay tip RS1 ' disconnection.

In other words, under the state that speed of a motor vehicle sense switch 81 is connected, one of them of switch 76,78 begins to remove the power supply of prevention to solenoid 54 when being manipulated into conducting state.So, just can prevent positively that vehicle commander's etc. lock operation person from switching to solenoid 54 situation of conducting state (unlocking) between being not intended to.

The present invention is not limited to above embodiment, as an example, also can use ensuing mode.

In the above-described embodiment, as the instruction input switch, expression be to possess open the door command switch 76 and two switches of unlock switch 78 are simultaneously arranged, but also can be only wherein a side switch as instructing input switch.And under the situation of command switch 76 as the instruction input switch of will opening the door, after this switch 76 is switched to conducting state, to suitably set the sequential of carrying out latch-release or during preferable, for example also can in the switching process of door, often solenoid 54 be remained on conducting state.

In the above-described embodiment, though be to be speed of a motor vehicle testing agency and the locking maintaining body, the speed of a motor vehicle also can for example be set detect special-purpose sensor and come to force to stop control by control device 70 power supply of solenoid 54 according to this signal with speed of a motor vehicle sense switch 81 dual-purposes., speed of a motor vehicle sense switch 81 dual-purposes by will be as shown are speed of a motor vehicle testing agency and locking maintaining body, then just can stop latch-release in travelling with simple structure.

Even under the situation that with speed of a motor vehicle sense switch 81 dual-purposes is speed of a motor vehicle testing agency and locking maintaining body, its position is not limited to the position between illustrated power supply 80 and the solenoid 54, also speed of a motor vehicle sense switch 81 can be configured in position or the emitter-base bandgap grading of transistor 82 and the position between the ground wire between the base stage of for example control device 70 and transistor 82.

In the present invention, the concrete mechanism of tube winding apparatus is not how, for example can omit above-mentioned linkage part yet, allows the locking switching member directly be engaged on the holding section that is arranged on the car door and is locked, in addition, do not hinder the structure that is applicable to known locking mechanism.Also can directly the plunger that pin 56 is attached to solenoid 54 be switched in locking.

Claims (7)

1. the method for control of locking of a car door, be to use to include to switch to car door lock is fixed on the latched position of complete fastening position is liberated the non-locked position of above-mentioned car door with backing out from this latched position locking switching member, be used for to lock the spring member that switching member suppresses towards above-mentioned latched position side, and supply with the locking device that the elastic force pressure that makes above-mentioned locking switching member overcome above-mentioned spring member with its electromagnetic force switches to the electromagnetic actuator device of above-mentioned non-locked position by accept power supply from power supply, carry out the method for the locking control of car door, it is characterized by:
When the travel speed of vehicle does not reach certain speed, can come conducting or cut-out from of the power supply of above-mentioned power supply according to coming from outside instruction to electromagnetic actuator device, when the travel speed of vehicle when above-mentioned certain speed is above, no matter the input of above-mentioned instruction how, forbid electromagnetic actuator device being powered from above-mentioned power supply.
2. the method for control of locking of car door as claimed in claim 1 is characterized by: only when the travel speed of vehicle does not reach the state of above-mentioned certain speed and carries out the input of latch-release instruction, just can remove the above-mentioned power supply state of forbidding.
3. the locking device of a car door, include to switch to car door lock is fixed on the latched position of complete fastening position is liberated the non-locked position of above-mentioned car door with backing out from this latched position locking switching member, be used for to lock the spring member that switching member suppresses towards above-mentioned latched position side, supply with the electromagnetic actuator device that the elastic force pressure that makes above-mentioned locking switching member overcome above-mentioned spring member with its electromagnetic force switches to above-mentioned non-locked position by accept power supply from power supply, and be used for conducting or cut off switching mechanism to the power supply of this electromagnetic actuator device, it is characterized by:
Possess according to the instruction imported from the outside operate the locking controlling organization of above-mentioned switching mechanism, whether the travel speed that is used for detecting vehicle powers to electromagnetic actuator device from above-mentioned power supply in the speed testing agency more than certain speed and when the travel speed that detects vehicle stops when certain speed is above, and no matter the input of above-mentioned instruction how, remains on above-mentioned locking switching member the locking maintaining body of latched position.
4. the locking device of car door as claimed in claim 3, it is characterized by: also possess the instruction input switch of the input operation that is used for carrying out the latch-release instruction and only when the travel speed of vehicle does not reach the state of above-mentioned certain speed and carries out the input operation of above-mentioned instruction input switch, the locking that just can remove above-mentioned prevention power supply keeps cancel system.
5. the locking device of car door as claimed in claim 3, it is characterized by: the travel speed that also possesses when vehicle disconnects when certain speed is above, and the speed of a motor vehicle sense switch of when the travel speed of vehicle does not reach certain speed, connecting, this speed of a motor vehicle sense switch is assembled in the power supply circuits of above-mentioned electromagnetic actuator device, when this speed of a motor vehicle sense switch disconnects, then can not carry out from of the power supply of above-mentioned power supply to electromagnetic actuator device.
6. the locking device of car door as claimed in claim 5, it is characterized by: above-mentioned speed of a motor vehicle sense switch is between above-mentioned power supply and electromagnetic actuator device.
7. the locking device of car door as claimed in claim 6, it is characterized by: also possess the instruction input switch of the input operation that is used for carrying out the latch-release instruction, the on-off switch of setting and only when carrying out the input operation of above-mentioned instruction input switch of connect with above-mentioned speed of a motor vehicle sense switch, just can make the driving mechanism for switches of above-mentioned on-off switch connection.
CNB021481415A 2001-10-31 2002-10-30 Locking control method and locking device of car door CN1232715C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP334398/2001 2001-10-31
JP334398/01 2001-10-31
JP2001334398A JP3980325B2 (en) 2001-10-31 2001-10-31 Lock device for vehicle door

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CN1415834A CN1415834A (en) 2003-05-07
CN1232715C true CN1232715C (en) 2005-12-21

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CNB021481415A CN1232715C (en) 2001-10-31 2002-10-30 Locking control method and locking device of car door

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KR (1) KR100514200B1 (en)
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JP2006264472A (en) 2005-03-23 2006-10-05 Fujitsu Ten Ltd Vehicle body equipment controlling device and vehicle body equipment controlling method
JP5118813B2 (en) * 2005-12-08 2013-01-16 クラリオン株式会社 Navigation device
DK2079894T3 (en) * 2006-11-10 2012-12-03 Nabtesco Corp Open and close device with lock
JP5296716B2 (en) * 2010-01-15 2013-09-25 株式会社東海理化電機製作所 Vehicle door lock device
CN102501746B (en) * 2011-11-03 2013-10-02 谷正 Safety control system for door of bus
CN103253109A (en) * 2013-05-31 2013-08-21 浙江吉利汽车研究院有限公司杭州分公司 Control method and device for completely locking car doors under driving states of cars
US20150021931A1 (en) * 2013-07-18 2015-01-22 GM Global Technology Operations LLC Vehicle door latch system and method
CN104675261A (en) * 2013-11-29 2015-06-03 青岛永通电梯工程有限公司 Motor car door control method
JP6576628B2 (en) * 2014-10-31 2019-09-18 ナブテスコ株式会社 Lock device for vehicle door
JP2017137680A (en) * 2016-02-03 2017-08-10 トヨタ車体株式会社 Door device for vehicle
US10808436B2 (en) * 2016-09-13 2020-10-20 Ford Global Technologies, Llc Remote secondary hood latch release
CN109469421B (en) * 2018-11-07 2020-08-25 中车株洲电力机车有限公司 Passenger room door opening and closing control circuit and control method and rail transit vehicle
KR102122812B1 (en) * 2018-12-21 2020-06-15 주식회사 성우하이텍 Electromagnet door system for vehicle and control method thereof
CN110644883A (en) * 2019-08-20 2020-01-03 中车青岛四方机车车辆股份有限公司 Train door logic intelligent control system based on intelligent control unit

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JP2003138823A (en) 2003-05-14
TWI221816B (en) 2004-10-11
JP3980325B2 (en) 2007-09-26
CN1415834A (en) 2003-05-07
KR20030035865A (en) 2003-05-09

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