CN104670152A - Electric rotation locking apparatus - Google Patents

Electric rotation locking apparatus Download PDF

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Publication number
CN104670152A
CN104670152A CN201410692505.9A CN201410692505A CN104670152A CN 104670152 A CN104670152 A CN 104670152A CN 201410692505 A CN201410692505 A CN 201410692505A CN 104670152 A CN104670152 A CN 104670152A
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CN
China
Prior art keywords
relay
electric power
power supply
lock
control
Prior art date
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Granted
Application number
CN201410692505.9A
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Chinese (zh)
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CN104670152B (en
Inventor
中西雅之
八重樫譲
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YOUSHIN CO Ltd
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YOUSHIN CO Ltd
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Publication date
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Publication of CN104670152A publication Critical patent/CN104670152A/en
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Publication of CN104670152B publication Critical patent/CN104670152B/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/01Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
    • B60R25/02Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the steering mechanism
    • B60R25/021Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the steering mechanism restraining movement of the steering column or steering wheel hub, e.g. restraining means controlled by ignition switch
    • B60R25/0215Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the steering mechanism restraining movement of the steering column or steering wheel hub, e.g. restraining means controlled by ignition switch using electric means, e.g. electric motors or solenoids
    • 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

Abstract

Provided is an electric rotation locking apparatus, which is capable of removing foreign matters that accumulate on a power supplying limit relay. The power supplying limit relay is arranged closer to an upstream side than a motor driving control part on a motor power supplying path of the motor driving control part. A conduction detection part for detecting the conduction state of the power supplying limit relay is arranged between the power supplying limit relay and the motor driving control part. Under a state that an unlocking control relay and a locking control relay are connected to a grounding side, the power supplying limit relay is switched to be in a conduction state. If the conduction detection part does not detect the conduction state of the power supplying limit relay, a microcomputer performs relay switching control. During the relay switching control, the power supplying limit relay is switched to be in a cut-off state, and the power supplying limit relay is switched to be in a conduction state when the contact state of any of the unlocking control relay and the locking control relay is switched.

Description

Electric steering-lock device
Technical field
The present invention relates to a kind of when vehicle parking for by the electric steering-lock device of electronic mode by the spin locking of bearing circle.
Background technology
In recent years, some vehicles are provided with electric steering-lock device to prevent stolen, for being locked with the rotation of electronic mode by bearing circle when stopping.This electric steering-lock device comprises: lock(ing) bolt, this lock(ing) bolt can and the latched position of steering shaft engaging of vehicle move with removing between this lockset position of coupler engaged; Electrical motor, this electrical motor makes driver train work, and this driver train makes above-mentioned lock(ing) bolt move; Motor driving control section, this motor driving control section has and forms the first control relay towards the supply path of this motor and the second control relay according to the directional selectivity that makes above-mentioned electrical motor rotate; Electric power supply restriction relay, this electric power supply restriction relay can switch between conducting state and dissengaged positions, wherein above-mentioned conducting state is the state of instigating the electric power supply conducting stating motor driving control section upward, and above-mentioned dissengaged positions is the state of instigating the electric power supply stating motor driving control section upward to be cut off; And control element, this control element switches the first control relay of above-mentioned motor driving control section and the contacts status of the second control relay.
In above-mentioned electric steering-lock device, when vehicle immobilization and engine start switch disconnects by chaufeur under engine behavior time, detect that the upper bit location of the electric steering-lock device of this situation just makes engine stop, and confirming to send locking requirement to electric steering-lock device under safe prerequisite.So, when receiving this locking and requiring, the control element of electric steering-lock device just controls motor driving control section to make it rotate towards the direction driving of regulation electrical motor, and by utilizing this electrical motor to make lock(ing) bolt move towards latched position, making this lock(ing) bolt engage with steering shaft, thus the rotation of bearing circle is locked.
On the other hand, when chaufeur carries out making operation to engine start switch under an engine stop condition when vehicle immobilization, detect that the upper bit location of this situation just sends unlock request to electric steering-lock device.So, when receiving this unlock request, the control element of electric steering-lock device just controls motor driving control section with driving motor, and by utilizing this electrical motor to make lock(ing) bolt move towards lockset position of coupler, remove the engaging of this lock(ing) bolt and steering shaft, to remove the lock-out state of bearing circle, thus steering operation can be carried out.
In above-mentioned electric steering-lock device, in vehicle is exercised, electric power supply restriction relay is switched to dissengaged positions, to avoid making lock(ing) bolt move towards latched position direction and situation about engaging with steering shaft because mistaking in vehicle is exercised.
But, the first control relay and the second control relay of being located at motor driving control section mechanically switch moving contact, therefore, following unfavorable condition can be produced: even if above-mentioned control relay has carried out switching action, because the foreign matter being piled up in contact portion hinders conducting, cannot carry out powering towards electrical motor and cause Lenkradschlossvorrichtung not work.
Therefore, in documents 1, propose following electric steering-lock device: the driving limiting unit that the electric power supply towards the first control relay and the second control relay is cut off or connected is set, under this driving limiting unit has cut off the dissengaged positions that the electric power towards control relay supplies, control relay is connected to high-voltage side, afterwards, driving limiting unit switched to conducting state and supply electric power towards control relay, and switch according to the contacts status of hand of rotation to any one party in the first control relay and the second control relay of electrical motor, electric arc is produced in this control relay, to remove the foreign matter being piled up in this control relay.
Prior art document
Patent documentation
Patent documentation 1: Japanese Patent Laid-Open 2012-192873 publication
But, in the electric steering-lock device that patent documentation 1 proposes, limiting unit is driven to be located at the position of ratio motor driving control section side (relative to supplier of electricity to downstream) farther downstream towards the supply path of motor driving control section, therefore, when drive limiting unit identical with control relay be made up of relay, when piling up foreign matter in this driving limiting unit, can not towards the control relay supply electric power of motor driving control section.Therefore, even if implement foreign matter to control relay to remove countermeasure, owing to not removing countermeasure to driving the relay of limiting unit to implement foreign matter, therefore, also producing and lock(ing) bolt can not be made to move to latched position or the such problem of lockset position of coupler.
Summary of the invention
The present invention does in view of the above problems, its object is to provide a kind of electric steering-lock device foreign matter being piled up in electric power supply restriction relay can removed, above-mentioned electric power supply restriction relay is by the electric power supply conducting/cut-out towards motor driving control section.
To achieve these goals, the invention that technical scheme one is recorded comprises: lock(ing) bolt, and this lock(ing) bolt can move with removing between this lockset position of coupler engaged in the latched position engaged with the steering shaft of vehicle; Electrical motor, this electrical motor makes driver train work, and this driver train makes above-mentioned lock(ing) bolt move; Motor driving control section, this motor driving control section has and forms the first control relay and second control relay of the supply path stating electrical motor upward according to the directional selectivity that makes above-mentioned electrical motor rotate; Electric power supply restriction relay, this electric power supply restriction relay can switch between conducting state and dissengaged positions, wherein above-mentioned conducting state is the state of instigating the electric power supply conducting stating motor driving control section upward, and above-mentioned dissengaged positions is the state of instigating the electric power supply stating motor driving control section upward to be cut off; and control element, this control element switches the first control relay of above-mentioned motor driving control section and the contacts status of the second control relay, the feature of above-mentioned electric steering-lock device is, above-mentioned electric power supply restriction relay is set at the position of the ratio above-mentioned motor driving control section upstream side of the supply path towards above-mentioned motor driving control section, and the conduction detection portion detected the conducting state of above-mentioned electric power supply restriction relay is located between above-mentioned electric power supply restriction relay and above-mentioned motor driving control section, when above-mentioned first control relay and above-mentioned second control relay are connected under the contacts status of ground side, above-mentioned electric power supply restriction relay is switched to conducting state time, when above-mentioned conduction detection portion does not detect the conducting state of above-mentioned electric power supply restriction relay, above-mentioned control element carries out relay switching controls, in this relay switching controls, above-mentioned electric power supply restriction relay is switched to dissengaged positions, and under the state switched according to the contacts status of direction to any one party in above-mentioned first control relay and above-mentioned second control relay making above-mentioned electrical motor rotate, above-mentioned electric power supply restriction relay is switched to conducting state.
The invention that technical scheme two is recorded is on the basis of the invention of technical scheme one record, it is characterized in that, above-mentioned control element comprises the number of times measuring cell counted the execution number of times of above-mentioned relay switching controls, and the time point reaching stipulated number at the execution number of times being counted acquisition by this number of times measuring cell terminates above-mentioned relay switching controls.
The invention that technical scheme three is recorded is on the basis of the invention of technical scheme one record, it is characterized in that, above-mentioned control element comprises the time measurement element that counts of elapsed time from performing and starting to above-mentioned relay switching controls, repeatedly perform above-mentioned relay switching controls, till the time obtained by above-mentioned time measurement component count reaches specified time.
The invention that technical scheme four is recorded is on the basis of the invention recorded in technical scheme two or technical scheme three, it is characterized in that, with above-mentioned conduction detection portion, above-mentioned control element detects that the conducting state of above-mentioned electric power supply restriction relay is for condition, under the state of the contacts status when above-mentioned first control relay and above-mentioned second control relay being maintained above-mentioned relay switching controls and performing, carry out making above-mentioned lock(ing) bolt move to lockset position of coupler unblank drive or make above-mentioned lock(ing) bolt move to the lock drive of latched position.
According to the invention that technical scheme one is recorded, when being located at the conduction detection portion between the electric power supply restriction relay of upstream side and the motor driving control section in downstream and not detecting that electric power supplies conducting state (the detecting that electric power supplies the exception limiting relay) that limit relay, carry out relay switching controls, by producing difference of potential sharply to produce electric arc between the electric power supply restriction fixed contact of relay and moving contact, can will be piled up in fixed contact, foreign matter (the deposit of moving contact, oxide scale film) remove, therefore, electric power can be made to supply restriction relay reset to normal condition to realize the stable action of electric steering-lock device.
According to the invention that technical scheme two is recorded, when not detecting conducting state (the detecting the exception of electric power supply restriction relay) of electric power supply restriction relay, by relay switching controls is carried out stipulated number, can effectively remove the foreign matter being piled up in fixed contact, moving contact.
According to the invention that technical scheme three is recorded, when not detecting conducting state (the detecting the exception of electric power supply restriction relay) of electric power supply restriction relay, by repeatedly carrying out relay switching controls repeatedly until till specified time, can effectively remove the foreign matter being piled up in fixed contact, moving contact.
According to the invention that technical scheme four is recorded, when conduction detection portion in performing in relay switching controls detects conducting state (the restoring to normal condition) of electric power supply restriction relay, terminate relay switching controls, carry out unblanking to drive or lock drive like this, therefore, can shorten above-mentioned unblank drive or lock drive complete till time.
Accompanying drawing explanation
Fig. 1 is the sectional side elevation of the lock-out state representing electric steering-lock device of the present invention.
Fig. 2 is the sectional side elevation of the unlocking condition representing electric steering-lock device of the present invention.
Fig. 3 is the exploded perspective view of electric steering-lock device of the present invention.
Fig. 4 is the system construction drawing of electric steering-lock device of the present invention.
Fig. 5 (a) is the figure representing the contacts status of relay when unlocking action, Fig. 5 (b) is the figure representing the contacts status of relay when lock out action.
Fig. 6 is the diagram of circuit representing the treatment step of electric steering-lock device of the present invention when unlocking action.
Fig. 7 is the sequential chart of the unlocking action of electric steering-lock device of the present invention.
Nomenclature
1 electric steering-lock device
2 shells
3 housings
4 lids
5 pins
6 locking components
7 actuators
8 lock(ing) bolts
9 pins
10 springs
11 magnets
12 gear parts
13 springs
14 electrical motors
15 worm screws
16 printed base plates
17 locking sensors
18 unblank sensor
19 microcomputers (control element)
21 communication circuits
22 motor driving control section
23 batteries
24 motor power feed paths
25 unblank control relay (the first control relay)
26 lockings control relay (the second control relay)
27 unblank relay drive circuit
28 locking relay driving circuits
29 number measuring cells
30 time measurement elements
31 ESL power supply feed paths
32 ESL power-supply circuits
33 constant-voltage circuits
34 reset circuits
35 electric power supply restriction relays
36 conduction detection portions
37 electric power supply restriction relay drive circuits
Detailed description of the invention
Below, with reference to the accompanying drawings embodiments of the present invention are described.
(structure of electric steering-lock device)
Fig. 1 is the sectional side elevation of the lock-out state representing electric steering-lock device of the present invention, and Fig. 2 is the sectional side elevation of the unlocking condition representing above-mentioned electric steering-lock device, and Fig. 3 is the exploded perspective view of above-mentioned electric steering-lock device.
Electric steering-lock device 1 of the present invention is the component being locked by the rotation of electronic mode to not shown steering shaft (bearing circle (steering wheel)), unblanked, its shell 2 is made up of housing 3 and metal lid 4, wherein, above-mentioned housing 3 is formed by the metal (such as magnesium alloy) of non-magnetic material, and above-mentioned lid 4 covers the lower surface peristome of above-mentioned housing 3.
Above-mentioned housing 3 is configured as rectangular box, is formed with the recess 3a of arc-shaped at an upper portion thereof, in this recess 3a, be embedded with not shown column tube, and this column tube utilizes the not shown arc-shaped support being incorporated into housing 3 to be fixed on housing 3.In addition, although not shown, but above-mentioned steering shaft is inserted in column tube, combines bearing circle in the upper end of this steering shaft, and the lower end of steering shaft is connected with the steering box forming steering swivel system.Further, if chaufeur implements rotation process to bearing circle, its rotation will be delivered to steering box via steering shaft, and not shown rudder steering mechanism is driven, and makes pair of right and left front-wheel steering and realizes required steering.
In addition, as shown in Figure 3, have the adaptor union configuration section 3b of rectangle at the sidepiece of housing 3, other three sides beyond the side being formed with this adaptor union configuration section 3b are formed with the circular hole pin-and-hole 3c (only illustrating two in Fig. 3) that supply and marketing 5 is pressed into.
On the other hand, above-mentioned lid 4 is configured as rectangular flat shape, surface (above) erects integratedly three block pin fixed part 4A, three columned cover press section 4B within it and has the gear holding cylinder portion 4C of bottom tube-like.Herein, three pin fixed part 4A are formed in the position corresponding with the position of the above-mentioned pin-and-hole 3c of housing 3, and are formed with the pin jack 4a (only illustrating in Fig. 3) of the circular hole be pressed into for above-mentioned pin 5 on these pin fixed parts 4A.
In addition, as shown in Figures 1 and 2, lid 4 is embedded the bottom inner circumferential of housing 3 in the mode of the lower surface peristome of covering shell 3 from below, and the pin 5 inserting three the above-mentioned pin-and-hole 3c (with reference to Fig. 3) formed at the sidepiece of housing 3 is pressed into the pin jack 4a of the upper formation of three pin fixed part 4A being erected on this lid 4, thus, lid 4 is fixed on housing 3.
And as shown in Figures 1 and 2, shell 2 defines locking component incorporating section 2A and substrate reception portion 2B, in the 2A of locking component incorporating section, receive locking component 6.This locking component 6 is made up of roughly cylindric actuator 7 and flat lock(ing) bolt 8, and wherein, be carved with outer screw section 7a in the periphery, bottom of above-mentioned actuator 7, above-mentioned lock(ing) bolt 8 is accommodated in above-mentioned actuator 7 in the mode that can move up and down.Herein, lock(ing) bolt 8 defines at the longer elongated hole 8a of above-below direction, with the pin 9 laterally inserting elongated hole 8a, lock(ing) bolt 8 is connected with actuator 7.In addition, pin 9 is inserted by press mode and is held in pin inserting hole 7b, and this pin inserting hole 7b runs through in the horizontal and is arranged at actuator 7.
In addition, above-mentioned lock(ing) bolt 8 is entrenched in the lock(ing) bolt inserting hole 3d of the rectangle being formed at housing 3 in the mode that can move up and down, and by compression be installed on spring 10 between this lock(ing) bolt 8 and actuator 7 all the time upward (locking direction) exert a force, usually, engaged with pin 9 by the bottom of the elongated hole 8a of lock(ing) bolt 8 and this lock(ing) bolt 8 is moved up and down together with actuator 7.
In addition, the arm 7A as engagement section of horizontal-extending and the longer rotation prevention portion 7B of above-below direction has been formed at the relative position of the upper periphery of actuator 7, arm 7A is accommodated in shell 2 (housing 3) in the mode that can move up and down, and rotation prevention portion 7B engages to stop actuator 7 to rotate with the engagement groove 3e being formed at housing 3.Further, define the magnet incorporating section 7d of rectangular cross section at the leading section of arm 7A, in the 7d of this magnet incorporating section, be accommodated with the magnet 11 (magnet) of quadrangular shape by press mode.
In addition, as shown in Figures 1 and 2, be accommodated with cylindric gear part 12 in revolvable mode being formed at the above-mentioned locking component incorporating section 2A in shell 2, the lower, outer perimeter of this gear part 12 is held in can rotates by the said gear holding cylinder portion 4C being erected on the inside face (upper surface) of lid 4.In addition, be formed with worm gear 12a in the lower, outer perimeter of this gear part 12, be formed with female threaded portion 12b in the inner circumferential of this gear part 12.
Be inserted with the bottom of above-mentioned actuator 7 in the inside of said gear component 12, the above-mentioned outer screw section 7a being formed at the lower, outer perimeter of this actuator 7 engages with the above-mentioned female threaded portion 12b of the inner circumferential being formed at gear part 12.In addition, compress between the columned spring-loaded portion 4b of gear holding cylinder portion 4C central part being erected on the lid 4 and next door 7c of actuator 7 and be provided with spring 13, locking component 6 (actuator 7 and lock(ing) bolt 8) is exerted a force all the time upward by spring 13.
In addition, as shown in Figures 1 and 2, in the above-mentioned locking component incorporating section 2A being formed at shell 2, receive electrical motor 14 with horizontal state, the output shaft 14a of this electrical motor 14 defines the worm screw 15 of path.And this worm screw 15 engages with the above-mentioned worm gear 12a formed on the periphery of gear part 12.Herein, worm screw 15 and worm gear 12a form the driver train of the advance and retreat power rotational force of the output shaft 14a of electrical motor 14 being changed into locking component 6.
On the other hand, as shown in Figures 1 and 2, receive printed base plate 16 at the aforesaid substrate incorporating section 2B being formed at shell 2, this printed base plate 16 is contained under the vertical state erected of the mode parallel with the operative orientation of locking component 6 with its inside face.And, be respectively arranged with magnetic detection device and locking sensor 17 and sensor 18 of unblanking in the position corresponding with latched position and lockset position of coupler that the inside face of this printed base plate 16 is upper and lower, utilize these locking sensors 17 and sensor 18 of unblanking to detect the position (locking/lockset position of coupler) of locking component 6 (lock(ing) bolt 8) respectively as described later.
(system architecture of electric steering-lock device)
Then, the system architecture of electric steering-lock device 1 of the present invention is described based on Fig. 4 below.
Fig. 4 is the system construction drawing of electric steering-lock device, as shown in Figure 4, above-mentioned locking sensor 17 and sensor 18 of unblanking are electrically connected with the control element and microcomputer (hereinafter referred to as " microcomputer ") 19 electrical motor 14 being carried out to drived control, and microcomputer 19 is electrically connected with the upper bit location 20 being loaded into vehicle via communication circuit 21.In addition, upper bit location 20 is electrically connected with the not shown engine start switch by driver's operation, and the signal from this engine start switch is input to upper bit location 20.
In addition, electric steering-lock device (being shown as in Fig. 4 " ESL ") comprises motor driving control section 22.Herein, the polarity that motor driving control section 22 carries out being supplied to the drive current of electrical motor 14 from battery (power supply+B) 23 via motor power feed path 24 switches and cuts off, to control the movement of above-mentioned locking component 6 (lock(ing) bolt 8) under electrical motor 14 acts on, the control relay of unblanking (the first control relay) 25 and locking control relay (the second control relay) 26 that optionally form the supply path towards this electrical motor 14 according to the direction (locking direction or direction of unblanking) making electrical motor 14 rotate is provided with in this motor driving control section 22.
In addition, the contacts status of above-mentioned microcomputer 19 to unblank control relay 25 and the locking control relay 26 of above-mentioned motor driving control section 22 switches, when receiving " the unlock request signal " or " locking requires signal " sent here via communication circuit 21 from above-mentioned upper bit location 20, by exporting " drive singal of unblanking " or " lock drive signal " towards unblank relay drive circuit 27 or locking relay driving circuit 28, drived control is carried out to these unblank relay drive circuit 27 or locking relay driving circuits 28, to switch above-mentioned contacts status of unblanking control relay 25 or locking control relay 26.In addition, above-mentioned locking sensor 17 and sensor 18 of unblanking are electrically connected with the input side of microcomputer 19.In addition, number of times measuring cell 29 and time measurement element 30 is built-in with in microcomputer 19, wherein, above-mentioned number of times measuring cell 29 counts the number of times performing aftermentioned relay switching controls, and above-mentioned time measurement element 30 was measured the time performing relay switching controls.
On the other hand, ESL power-supply circuit 32 and constant-voltage circuit 33 is provided with in the ESL power supply feed path 31 leading to microcomputer 19 from above-mentioned battery 23, when exporting " ESL power supply supply enabling signal " from upper bit location 20 towards ESL power-supply circuit 32, ESL power-supply circuit 32 supplies electric power towards constant-voltage circuit 33.So, the ESL power supply of 5V is just supplied to microcomputer 19 to drive this microcomputer 19 by constant-voltage circuit 33.In addition, in the diagram, symbol 34 is reset circuits.
But, in electric steering-lock device 1 of the present invention, be provided with electric power supply restriction relay 35 at the position of ratio motor driving control section 22 upstream side of the motor power feed path 24 arriving above-mentioned motor driving control section 22 from above-mentioned battery 23.In addition, be provided with between this electric power supply restriction relay 35 and above-mentioned motor driving control section 22 the conduction detection portion 36 that the conducting state that limits relay 35 detects is supplied to electric power.
Moving contact switches to as shown in Figure 4 and disconnects side (NC (Normal Close: normally closed) side) and supply with the power supply cut off towards motor driving control section 22 by above-mentioned electric power supply restriction relay 35 in vehicle is exercised, and serves to stop locking component 6 is moved towards latched position direction because mistaking in vehicle enforcement and to make the function that lock(ing) bolt 8 engages with steering shaft.In addition, when from microcomputer 19 towards electric power, supply restriction relay drive circuit 37 exports " electric power supply enabling signal ", the moving contact of electric power supply restriction relay 35 switches to and connects side (NO (Normal Open: often open) side) to allow to supply electric power from battery 23 towards motor driving control section 22 by electric power supply restriction relay drive circuit 37.
(action of electric steering-lock device)
Then, according to Fig. 5 ~ Fig. 7, the action (locking/unlocking action) of the electric steering-lock device 1 adopting above structure is described.In addition, Fig. 5 (a) is the figure of the contacts status of relay when representing unlocking action, Fig. 5 (b) is the figure of the contacts status of relay when representing unlocking action, and Fig. 6 is the diagram of circuit for the treatment of step when representing unlocking action, and Fig. 7 is the sequential chart of unlocking action.
1) unlocking action:
A when () electric power in relay switching controls supplies restriction relay normal restoration:
In the following description, the process shown in symbol (1) ~ (10) is corresponding with symbol (1) ~ (10) of the expression time point marked in the sequential chart of Fig. 7.
Under the state of not shown engine stop, as shown in Figure 1, the lock(ing) bolt 8 of locking component 6 is positioned at the latched position of the upper limit, and the upper end of this lock(ing) bolt 8 is given prominence to towards recess 3a from the lock(ing) bolt inserting hole 3d of housing 3 and engages with not shown steering shaft.In this condition, the rotation of steering shaft is locked, and in this locked condition, can not carry out rotation process to not shown bearing circle, by this, prevent vehicle stolen.
When chaufeur carries out making operation from above-mentioned state to not shown engine start switch,
(1) upper bit location 20 exports " ESL power supply supply enabling signal " towards ESL power-supply circuit 32, with from battery 23 towards microcomputer 19 supply power (step S1) of electric steering-lock device (ESL) 1.
(2) microcomputer 19 dual lock driving circuit 27 and lock drive circuit 28 control, as shown in Figure 4 under the moving contact of unblank control relay 25 and locking control relay 26 is connected to the state (off-state) of ground connection (GND) side (NC side), electric power supply restriction relay 35 is switched to conducting state (on-state) (step S2).
(3) under the conducting state (on-state) of electric power supply restriction relay 35, whether conduction detection portion 35 is detected that the conducting state of electric power supply restriction relay 35 judges (step S3).In addition, electric power supply restriction relay 35, unblank control relay 25 and locking control relay 26 be in normal condition respectively time, conduction detection portion 36 goes out a certain signal in high signal, median signal, low level signal according to following contact performance measurement.
When electric power supply restriction relay 35 is in connection, regardless of the contacts status of unblank control relay 25 and locking control relay 26, conduction detection portion 26 all can detect high signal.
When electric power supply restriction relay 35 be in disconnect and unblank control relay 25 and locking control relay 26 be in disconnection time, conduction detection portion 26 detects median signal.
When electric power supply restriction relay 35 is in disconnection and the one party of unblanking in control relay 25 and locking control relay 26 is in connection, the opposing party is in disconnection, conduction detection portion 36 detects low level signal.
When conduction detection portion 36 detects median signal (not detecting high signal), can be judged as may creating exception in electric power supply restriction relay 35.In addition, when being judged as because conduction detection portion 36 detects high signal can not producing abnormal in electric power supply restriction relay 35 (step S3: "No"), performing aftermentioned unblanking and driving (step S10).
(4) microcomputer 19 pairs of electric power supply restriction relay drive circuits 37 control that the moving contact of electric power supply restriction relay 35 is connected (disconnection) to NC side (disconnection side), thus temporarily disconnected is towards electric power supply signal (step S4) of motor driving control section 22.
(5) control relay 25 of unblanking of motor driving control section 22 is connected to NO side, connects with control relay 25 of this being unblanked, and whether detects that low level signal judges (step S6) to conduction detection portion 36.When conduction detection portion 36 detects low level signal, be judged as unblanking control relay 25 normally, but produce abnormal in electric power supply restriction relay 35, thus carry out following relay switching controls (step S7).Herein, produce abnormal reason as in electric power supply restriction relay 35, can expect piling up in contact have foreign matter (deposit, oxide scale film etc.).
(6) in relay switching controls, as shown in Fig. 5 (a), electric power supply restriction relay is connected (moving contact being connected to NO side), and between moving contact and the fixed contact of NO side, produces electric arc to remove foreign matter.
(7) between the fixed contact and moving contact of electric power supply restriction relay 35, produce electric arc as described above by relay switching controls, whether conduction detection portion 36 is detected that high signal (whether electric power supply restriction relay 35 restores to normal condition) judges (step S8).When conduction detection portion 36 does not detect high signal (step S8: "No"), be judged to be that electric power supply restriction relay 35 does not restore to normal condition, repeatedly carry out relay switching controls.On the other hand, when conduction detection portion 36 detects high signal (step S8: "Yes"), be judged to be that electric power supply restriction relay 35 restores to normal condition, perform aftermentioned unblanking and drive (step S10).
(8) the execution number of times of relay switching controls and execution time are undertaken measuring by the number of times measuring cell 29 and time measurement element 30 that are built in microcomputer 19 respectively, before the execution number of times of relay switching controls reaches stipulated number or the execution time reach specified time before, conduction detection portion 36 is when detecting high signal, be judged as that electric power supply restriction relay 35 restores to perform to normal condition and unblank to drive (step S10).Such as, as shown in Figure 7, performing the time point of No. three relay switching controls, high signal is detected by conduction detection portion 36 because eliminating foreign matter from the contact of electric power supply restriction relay 35, in the case, be judged as that electric power supply restriction relay 35 restores and terminate relay switching controls to normal condition, to unblank control relay 25 and electric power supply restriction relay 26 as shown in Fig. 5 (a), remain on-state like this, and perform unblank driving (step S10).
When not made electric power supply restriction relay 35 restore to normal condition by primary relay switching controls, repeatedly carry out repeatedly relay switching controls, whether the execution time whether reaching stipulated number to the execution number of times being counted acquisition by number of times measuring cell 29 or count acquisition by time measurement element 30 reaches specified time judges (step S9).When the execution number of times of relay switching controls does not reach stipulated number or when not reaching specified time in the execution time (step S9: "No"), perform relay switching controls (step S7).In addition, the execution number of times of relay switching controls reach stipulated number or execution time reach specified time time (step S9: "Yes"), terminate relay switching controls.In addition, even if before relay switching controls carries out stipulated number or specified time repeatedly, electric power supply restriction relay 35 restore to normal condition, relay switching controls also can be made repeatedly to carry out stipulated number or specified time.That is, even if in relay switching controls performs, electric power supply restriction relay reset, to normal condition, also can not be transferred to and unblank to drive.In this case, when detecting that in the process of above-mentioned (2) of next time electric power supply restriction relay 35 restores to normal condition, perform and unblank to drive.
Herein, dual lock drives and is described.
Unblanking in driving, the drive current supplied towards motor driving control section 22 via motor power feed path 24 from battery 23 is supplied to electrical motor 14 via the path Fig. 5 (a) shown in arrow, therefore, start this electrical motor 14, the rotation of its output shaft 14a is while slowed down by worm screw 15 and worm gear 12a, one edge direction is converted 90 degree and is passed to gear part 12, rotates to make this gear part 12.Therefore, the actuator 7 being formed with outer screw section 7a overcomes the application force of spring 13 and moves down, and wherein, above-mentioned outer screw section 7a screws togather with the female threaded portion 12b being located at the inner circumferential of gear part 12 quarter.When actuator 7 moves down like this, the arm 7A be integrally formed with this actuator 7 and the lock(ing) bolt 8 utilizing pin 9 to be connected with actuator 7 move down.
When the arm 7A of actuator 7 described above move down, lock(ing) bolt 8 arrive the lockset position of coupler of lower limit as shown in Figure 2 time, the magnetic force of magnet 11 sensor 18 of being unblanked detects, electric power supply restriction relay 35 is switched to NC side and becomes dissengaged positions (off-state), to stop the electric power towards electrical motor 14 to supply, thus stop the driving of this electrical motor 14.So, the upper end of lock(ing) bolt 8 just retreats to the inside of the lock(ing) bolt inserting hole 3d of housing 3, and therefore, lock(ing) bolt 8 is removed with the engaging of steering shaft.Consequently, the locking of steering shaft is become unlocking condition by removing, and chaufeur can the rotation process of implementing direction dish, and vehicle can travel.
In addition, when confirming to make electric power supply control relay 35 restore to normal condition by relay switching controls, (do not carry out switching action to electric power supply restriction relay 35 and unblank control relay 25 and locking control relay 26) like this and perform above unblanking to drive, therefore, the time till unblanking to have driven is shortened.
2) lock out action:
In relay switching controls when lock out action, relay switching controls performed when producing abnormal in electric power supply restriction relay 35 is identical with relay switching controls during unlocking action.Namely, as shown in Figure 4, when above-mentioned electric power supply restriction relay 35 being switched to conducting state under control relay 25 of unblanking is connected to the contacts status of ground side (disconnection side) with locking control relay 26, when conduction detection portion 36 does not detect the conducting state of electric power supply restriction relay 35, the microcomputer 19 of electric steering-lock device 1 performs relay switching controls.
In relay switching controls when lock out action, electric power supply restriction relay 35 is switched to dissengaged positions (off-state), and as Fig. 5 (b) be shown in by the contact change-over of control relay 25 of unblanking to off-state, will locking control relay 26 contact change-over under the state of on-state, electric power supply restriction relay 35 is switched to conducting state (on-state), between the moving contact and fixed contact of electric power supply restriction relay 35, produces electric arc to remove foreign matter.
Herein, lock drive when being in normal condition to electric power supply restriction relay is described.
When lock drive condition is set up, upper bit location 20 exports " ESL power supply supply enabling signal " with from battery 23 towards microcomputer 19 supply power of electric steering-lock device (ESL) 1 towards ESL power-supply circuit 32, and sends " locking requires signal " via communication circuit 21.So, microcomputer 19 just exports " lock drive signal " towards locking relay driving circuit 28, and therefore, as shown in Fig. 5 (b), the operating contact of locking control relay 26 is switched to NO side by locking relay driving circuit 28.In addition, now, the unblank operating contact of control relay 25 is connected with NC side (ground side).
So, the drive current supplied towards motor driving control section 22 via motor power feed path 24 from battery 23 is just supplied to electrical motor 14 via the path Fig. 5 (b) shown in arrow, therefore, electrical motor 14 is reversed startup, and its output shaft 14a is reversed.So, the rotation of electrical motor 14 is just delivered to gear part 12 via worm screw 14 and worm gear 12a, and this gear part 12 reverses, therefore, actuator 7 moves up, and the arm 7A be integrally formed with this actuator 7 and the lock(ing) bolt 8 utilizing pin 9 to be connected with actuator 7 move up.
In addition, when the arm 7A of actuator 7 described above moves up and makes the center of magnet 11 arrive the detection range near latched position, the magnetic force of this magnet 11 is locked sensor 17 and detects, the operating contact of electric power supply restriction relay 35 is switched to NC side and becomes dissengaged positions (off-state), stops the electric power towards electrical motor 14 to supply to give to stop the driving of this electrical motor 14.So, as shown in Figure 1, the upper end of lock(ing) bolt 8 is just given prominence to from the recess 3a of housing 3 and engages with not shown steering shaft, therefore becomes the lock-out state that the rotation of steering shaft is locked, and when can prevent from stopping, vehicle is stolen.In addition, when lock(ing) bolt 8 cannot engage towards steering shaft well, in the scope of energy supply and marketing 9 relative movement in the elongated hole 8a being formed at this lock(ing) bolt 8, lock(ing) bolt 8 overcomes the application force of spring 10 and moves down, therefore, excessive load can not be acted on to lock(ing) bolt 8.
As mentioned above, in electric steering-lock device 1 of the present invention, when being located at the conduction detection portion 36 between the electric power supply restriction relay 35 of upstream side and the motor driving control section 22 in downstream and not detecting that electric power supplies conducting state (the detecting that electric power supplies the exception limiting relay 35) that limit relay 35, carry out relay switching controls, by producing difference of potential sharply to produce electric arc between the electric power supply restriction fixed contact of relay 35 and moving contact, can will be attached to fixed contact, foreign matter (the deposit of moving contact, oxide scale film) remove, therefore, electric power can be made to supply restriction relay 35 restore to normal condition to realize the stable action of electric steering-lock device 1.
In addition, when not detecting conducting state (the detecting the exception of electric power supply restriction relay 35) of electric power supply restriction relay 35, by making relay switching controls carry out stipulated number or specified time, can effectively remove the foreign matter being attached to fixed contact, moving contact.
In addition, according to electric steering-lock device 1 of the present invention, when conduction detection portion 36 in performing in relay switching controls detects conducting state (the restoring to normal condition) of electric power supply restriction relay 35, terminate relay switching controls, carry out unblanking to drive or lock drive like this, therefore, also can obtain can shorten above-mentioned unblank to drive or lock drive complete till time such effect.
In addition, in the present embodiment, when electric power supply restriction relay 35, unblank control relay 25 and locking control relay 26 when being in normal condition respectively, conduction detection portion 36 is according to electric power supply restriction relay 35, unblank control relay 25 and the respective contact performance measurement of locking control relay 26 goes out high signal, median signal, a certain signal in low level signal, but be not limited thereto, as long as can to electric power supply restriction relay 35, whether the conducting state of control relay 25 and locking control relay 26 of unblanking normally carries out the structure that detects.
In addition, in the present embodiment, a upper bit location 20 can be utilized to carry out the startup of driving engine and the control (Energy control of microcomputer 19, the locking/unlock request to microcomputer 19) of electric steering-lock device 1, bit location on other also can be utilized to carry out respective action.In addition, upper bit location 20 also can have other function, such as, also can be electron key by holding with user carry out data communication come the intelligent cell automatically car door being locked/unblanks, the driving carrying out driving engine and control engine unit, carry out the Energy control of vehicle power control unit, the various electric elements being installed in vehicle are unified to the car body control unit etc. that controls.

Claims (4)

1. an electric steering-lock device, comprising:
Lock(ing) bolt, this lock(ing) bolt can move with removing between this lockset position of coupler engaged in the latched position engaged with the steering shaft of vehicle;
Electrical motor, this electrical motor makes driver train work, and this driver train makes described lock(ing) bolt move;
Motor driving control section, this motor driving control section has and forms the first control relay towards the supply path of described electrical motor and the second control relay according to the directional selectivity that makes described electrical motor rotate;
Electric power supply restriction relay, this electric power supply restriction relay can switch between conducting state and dissengaged positions, wherein said conducting state is the state of the electric power supply conducting of instigating towards described motor driving control section, and described dissengaged positions is the state of instigating the electric power supply towards described motor driving control section to be cut off; And
Control element, this control element switches the first control relay of described motor driving control section and the contacts status of the second control relay,
The feature of described electric steering-lock device is,
Described in the ratio of the supply path towards described motor driving control section, the position of motor driving control section upstream side arranges described electric power supply restriction relay, and the conduction detection portion detected the conducting state of described electric power supply restriction relay is located between described electric power supply restriction relay and described motor driving control section
When described first control relay and described second control relay are connected under the contacts status of ground side, described electric power supply restriction relay is switched to conducting state time, when described conduction detection portion does not detect the conducting state of described electric power supply restriction relay, described control element carries out relay switching controls, in this relay switching controls, described electric power supply restriction relay is switched to dissengaged positions, and under the state switched according to the contacts status of direction to any one party in described first control relay and described second control relay making described electrical motor rotate, described electric power supply restriction relay is switched to conducting state.
2. electric steering-lock device as claimed in claim 1, is characterized in that,
Described control element comprises the number of times measuring cell counted the execution number of times of described relay switching controls, and the time point reaching stipulated number at the execution number of times being counted acquisition by this number of times measuring cell terminates described relay switching controls.
3. electric steering-lock device as claimed in claim 1, is characterized in that,
Described control element comprises the time measurement element that counts of elapsed time from performing and starting to described relay switching controls, repeatedly perform described relay switching controls, till the time obtained by described time measurement component count reaches specified time.
4. electric steering-lock device as claimed in claim 2 or claim 3, is characterized in that,
With described conduction detection portion, described control element detects that the conducting state of described electric power supply restriction relay is for condition, under the state of the contacts status when described first control relay and described second control relay being maintained described relay switching controls and performing, carry out making described lock(ing) bolt move to lockset position of coupler unblank drive or make described lock(ing) bolt move to the lock drive of latched position.
CN201410692505.9A 2013-11-27 2014-11-26 Electric steering-lock device Expired - Fee Related CN104670152B (en)

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JP2013244728A JP6251023B2 (en) 2013-11-27 2013-11-27 Electric steering lock device
JP2013-244728 2013-11-27

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108116362A (en) * 2016-11-28 2018-06-05 株式会社有信 Electric steering-lock device
CN109695384A (en) * 2019-02-25 2019-04-30 徐州徐工特种工程机械有限公司 Hood locking device after glide steering loader
CN110088809A (en) * 2016-11-25 2019-08-02 江苏宏宝工具有限公司 System and method for controlling lock
CN111417762A (en) * 2017-09-18 2020-07-14 标致雪铁龙汽车股份有限公司 Simplified locking and unlocking of a lock for a sliding door

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6606360B2 (en) * 2015-06-23 2019-11-13 株式会社ユーシン Electric steering lock device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02302678A (en) * 1989-05-16 1990-12-14 Mitsubishi Electric Corp Apparatus for measuring temperature characteristics of electronic circuit part
DE69033180T2 (en) * 1989-02-16 2000-01-05 Automotive Prod Usa CONTROL SYSTEM FOR VEHICLE
JP2001001865A (en) * 1999-05-29 2001-01-09 Valeo Deutschland Gmbh & Co Sicherheitssysteme Device for locking steering shaft of power vehicle steering device
JP2004254134A (en) * 2003-02-20 2004-09-09 Tokai Rika Co Ltd Multiplex communication system
CN101633368A (en) * 2008-07-24 2010-01-27 株式会社有信 Motor-driven steering lock apparatus
CN102616205A (en) * 2012-04-01 2012-08-01 奇瑞汽车股份有限公司 Control system for steering column lock
CN102673518A (en) * 2011-03-17 2012-09-19 株式会社东海理化电机制作所 Electric steering wheel locking device, locking control part and vehicle anti-theft system
JP5157492B2 (en) * 2008-01-31 2013-03-06 株式会社ジェイテクト Relay circuit continuity determination method and relay circuit continuity determination device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3302846B2 (en) * 1994-11-30 2002-07-15 三菱電機株式会社 Power supply

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69033180T2 (en) * 1989-02-16 2000-01-05 Automotive Prod Usa CONTROL SYSTEM FOR VEHICLE
JPH02302678A (en) * 1989-05-16 1990-12-14 Mitsubishi Electric Corp Apparatus for measuring temperature characteristics of electronic circuit part
JP2001001865A (en) * 1999-05-29 2001-01-09 Valeo Deutschland Gmbh & Co Sicherheitssysteme Device for locking steering shaft of power vehicle steering device
JP2004254134A (en) * 2003-02-20 2004-09-09 Tokai Rika Co Ltd Multiplex communication system
JP5157492B2 (en) * 2008-01-31 2013-03-06 株式会社ジェイテクト Relay circuit continuity determination method and relay circuit continuity determination device
CN101633368A (en) * 2008-07-24 2010-01-27 株式会社有信 Motor-driven steering lock apparatus
CN102673518A (en) * 2011-03-17 2012-09-19 株式会社东海理化电机制作所 Electric steering wheel locking device, locking control part and vehicle anti-theft system
CN102616205A (en) * 2012-04-01 2012-08-01 奇瑞汽车股份有限公司 Control system for steering column lock

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110088809A (en) * 2016-11-25 2019-08-02 江苏宏宝工具有限公司 System and method for controlling lock
CN110088809B (en) * 2016-11-25 2022-05-13 北京骑胜科技有限公司 System and method for controlling a lock
US11401736B2 (en) 2016-11-25 2022-08-02 Beijing Qisheng Science And Technology Co., Ltd. Systems and methods for controlling a lock
CN108116362A (en) * 2016-11-28 2018-06-05 株式会社有信 Electric steering-lock device
CN111417762A (en) * 2017-09-18 2020-07-14 标致雪铁龙汽车股份有限公司 Simplified locking and unlocking of a lock for a sliding door
CN109695384A (en) * 2019-02-25 2019-04-30 徐州徐工特种工程机械有限公司 Hood locking device after glide steering loader

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