CN104097608A - Motor steering lock drive - Google Patents
Motor steering lock drive Download PDFInfo
- Publication number
- CN104097608A CN104097608A CN201410119740.7A CN201410119740A CN104097608A CN 104097608 A CN104097608 A CN 104097608A CN 201410119740 A CN201410119740 A CN 201410119740A CN 104097608 A CN104097608 A CN 104097608A
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- judging part
- lock bolt
- switch portion
- conducting
- switch
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- 230000037452 priming Effects 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 description 7
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 241000269799 Perca fluviatilis Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/01—Fittings 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
- B60R25/02—Fittings 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
- B60R25/021—Fittings 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
- B60R25/0215—Fittings 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention provides a motor steering lock drive which prevents of fault of a vehicle during driving and shortens the time from starting operation of an engine to starting of the engine. The motor steering lock drive 1 comprises a locking bolt 8, an electric motor (a motor-driven cylinder) 14, a microcomputer (control unit) 20, a power cut-off unit 24, a locking sensor 17, an unlocking sensor (1) 18 and an unlocking sensor (2) 19 (means for detecting the position of the locking bolt). The power cut-off unit 24 comprises a switch portion 25 arranged on a current-carrying connection path 23. A first judging part 26a switches the on/off state of the switch portion 25 according to the input value of a fire ignition power supply 27 and from the unlocking sensor (2) 19. The first judging part 26a switches the switch portion 25 to the ON state, only when the fire ignition power supply 27 is ON and the unlocking sensor (2) 19 is ON.
Description
Technical field
While the present invention relates to a kind of parking for the electric steering lock apparatus of the rotation of electric locking bearing circle.
Background technology
At present, taking antitheft as object, on vehicle, also possesses the electric steering lock apparatus for the rotation of electric locking bearing circle while parking.This electric steering lock apparatus is configured to and comprises: can be sticked in vehicle steering shaft latched position and remove lock bolt mobile between this unlocked position engaging; Operate the electric cylinder of electrical motor of this lock bolt etc.; Control the control part of micro computer of the action of this electric cylinder etc.
Such electric steering lock apparatus, after vehicle stop, under the state of driving engine action, if user's (chaufeur) carries out the pressing operation (OFF operation) of driving engine start stop switch, the upper ECU that detects the vehicle of this operation stops driving engine, and using confirm safety as condition to the request of locking of the control part of electric steering lock apparatus.At this moment, control part drives electric cylinder, after lock bolt being moved to locked position by this electric cylinder, locks the rotation of bearing circle by being snapped into bearing circle.
On the one hand, after vehicle stop, under the state of engine stop, if user's (chaufeur) carries out the pressing operation (ON operation) of driving engine start stop switch, the upper ECU that detects this operation carries out unlocking request to the control part of electric steering lock apparatus.At this moment, control part drives electric cylinder, after lock bolt being moved to unlocked position by this electric cylinder, removes the engaging of the steering shaft that is connected to this lock bolt, and by the release to bearing circle, chaufeur can be realized steering operation.
But, in such electric steering lock apparatus, for the locking/release of electronic travel direction dish, need to detect lock bolt is positioned at locked position and is still positioned at after unlocked position, drive and control electric cylinder, for this reason, be provided with lock bolt position detection means, for detection of the operating position of lock bolt.
But, in electric steering lock apparatus, for fear of accidentally lock bolt is moved to locked position in Vehicle Driving Cycle after, the situations such as the rotation of appearance locking bearing circle, therefore, on the electrical path that is connected to electric cylinder, switch element is set, by power control part or switch the cut-out/conducting state of described switch element from the signal of priming supply, to be supplied to the power supply (for example,, referring to patent documentation 1) of electric cylinder in cut-out Vehicle Driving Cycle.Particularly, for example, in the situation of the possibility that vehicle travelling if having (, when priming supply is ON), switch element is made as to dissengaged positions (OFF) state, makes to realize the action (movement of lock bolt) of electric steering lock apparatus.
Look-ahead technique document
Patent documentation
Patent documentation 1: JP 2010-023810 communique
But, fire an engine needs priming supply, therefore, adopt as in the past in the time that priming supply is ON using switch element as dissengaged positions (OFF state), and while forbidding the method for action of electric steering lock apparatus, after finishing to move to the unlocked position of lock bolt, need to open fire an engine after (ON) priming supply.Therefore, exist from engine starting and start operation (pressing operation of driving engine start stop switch) to engine starting problem consuming time, and also have the problem of inconvenient operation for the user etc.
Summary of the invention
In view of the above problems, the object of the present invention is to provide a kind of fault that can prevent in Vehicle Driving Cycle, and can shorten the electric steering lock apparatus that starts to operate the time engine starting from engine starting simultaneously.
To achieve these goals, invention claimed in claim 1 comprises:
Lock bolt, can be sticked in vehicle steering shaft latched position and remove between this unlocked position engaging and move;
Electric cylinder, operates this lock bolt;
Control part, controls the action of this electric cylinder;
Power switching unit, cut-out/conducting is connected to the electrical path of described electric cylinder;
Lock bolt position detection unit, detects the operating position of described lock bolt,
Described electric steering lock apparatus is characterised in that, wherein,
Described power switching unit comprises:
Switch portion, is located on described electrical path;
The first judging part, according to priming supply and switch the cut-out/conducting state of described switch portion from the input value of described lock bolt position detection unit;
Described the first judging part is only ON at described priming supply, and described lock bolt position detection unit is while detecting the unlocked position of described lock bolt, has the function that described switch portion is switched to dissengaged positions.
Invention claimed in claim 2 is characterised in that, the described power switching unit in invention claimed in claim 1 also comprises:
The second judging part, according to the output valve from described the first judging part with switch the cut-out/conducting state of described switch portion from the power control signal of described control part,
This second judging part is only conducting (ON) in the output valve of described the first judging part, and described power control signal is while being conducting (ON), has the function that described switch portion is switched to conducting state.
Invention claimed in claim 3 is characterised in that, in invention claimed in claim 1, described control part, and upper ECU(electronic control unit) between communicate, and according to user, the operation of driving engine start stop switch is carried out to selectivity and receive the locking command signal of request locking action or the unlock command signal of request release action from described upper ECU
Described power switching unit also comprises:
The second judging part, according to the output valve from described the first judging part with switch the cut-out/conducting state of described switch portion from the power control signal of described upper ECU,
This second judging part is only conducting (ON) in the output valve of described the first judging part, and described power control signal is while being conducting (ON), has the function that described switch portion is switched to conducting state.
The effect of invention
Invention according to claim 1, even if priming supply starts operation by engine starting and becomes ON, as long as lock bolt is not at unlocked position, just can not be cut off the electrical path that is connected to electric cylinder, therefore, even if priming supply is ON state, also can operate after electric steering lock apparatus, carry out release action (moving to the unlocked position of lock bolt).; carry out the preparation of engine starting due to the action of electric steering lock apparatus can be carried out when; therefore, shortened from engine starting and started the time of operation (press (Push) of driving engine start stop switch operates) to engine starting, and improved user's convenience.
And, lock bolt moves between unlocked position at locked position, if locked position detecting unit detects the unlocked position of lock bolt, cut off by power switching unit the movement of forbidding lock bolt after the electrical path that is connected to electric cylinder, therefore, can effectively prevent from accidentally the rotation of bearing circle being become due to the fault of bearing circle the problem of locking state in Vehicle Driving Cycle.
Invention according to claim 2, even when the first judging part output conducting (ON), also can be according to cut-out/conducting state of coming change-over switch portion from the power control signal of control part, for example, stop after driving engine, even lock bolt is positioned at (priming supply: OFF in the situation of locked position, lock bolt position detection unit: do not detect release), if the power control signal from control part is made as to OFF, switch portion can be switched to dissengaged positions, therefore, can prevent the fault of the electric cylinder in vehicle stop.
Invention according to claim 3, even the first judging part output conducting (ON), also can be by carry out the cut-out/conducting state of change-over switch portion from the power control signal of upper ECU, for example, stop after driving engine, even lock bolt is positioned at (priming supply: OFF in the situation of locked position, lock bolt position detection unit: do not detect release), if the power control signal from upper ECU is made as to OFF, switch portion can be switched to dissengaged positions, therefore, can prevent the fault of the electric cylinder in vehicle stop.
Brief description of the drawings
Fig. 1 is the longitudinal section illustrating according to the locking state of electric steering lock apparatus of the present invention.
Fig. 2 is the longitudinal section illustrating according to the released state of electric steering lock apparatus of the present invention.
Fig. 3 is the exploded perspective view according to electric steering lock apparatus of the present invention.
Fig. 4 is the system construction drawing according to electric steering lock apparatus of the present invention.
Fig. 5 is according to the time diagram in release when action of electric steering lock apparatus of the present invention.
Fig. 6 is the time diagram during according to the locking action of electric steering lock apparatus of the present invention.
Fig. 7 is the circuit structure diagram illustrating according to the power switching unit of the variation 1 of electric steering lock apparatus of the present invention.
Fig. 8 is the circuit structure diagram illustrating according to the power switching unit of the variation 2 of electric steering lock apparatus of the present invention.
Detailed description of the invention
Below based on brief description of the drawings embodiments of the present invention.
Fig. 1 is the longitudinal section illustrating according to the locking state of electric steering lock apparatus of the present invention, and Fig. 2 is the longitudinal section that the released state of same electric steering lock apparatus is shown, Fig. 3 is the exploded perspective view that same electric steering lock apparatus is shown.
Electric steering lock apparatus 1 according to the present invention is the rotation of the steering shaft (bearing circle) not shown by electronic locking/release, and the cabinet 3 that this housing 2 for example, is made up of the metal (magnesium alloy) of non-magnetic material and the cover 4 that covers the lower aperture portion of this cabinet 3 form.
Above-mentioned cabinet 3 is formed as rectangular box shape, and this top is formed with circular-arc recess 3a, on this recess 3a, embeds and has not shown column tube.And this column tube fixes in cabinet 3 by the not shown circular-arc support that is connected in cabinet 3.Although not shown, in column tube, steering shaft is stated in insertion to some extent, the upper end of this steering shaft is connected with bearing circle, and the lower end of bearing circle is linked on the steering box that forms steering swivel system.And if chaufeur rotation direction of operating dish, this rotation is conveyed to steering box through steering shaft, drive after not shown steering hardware, the front-wheel of operation pair of right and left, thus carry out required turning to.
And, as shown in Figure 3, there is rectangular connector to arrange the 3b of portion in the sidepiece opening of cabinet 3, on other three sides the side that arranges the 3b of portion except being formed with this adaptor union, be formed with in the circular hole pin-and-hole 3c(Fig. 3 that is pressed into fitting pin 5 and only show two holes).
On the other hand, described cover 4 is formed as rectangular flat shape, and this inner face (above) erects integratedly three block pin fixed part 4A and three columned gland 4B of portion and has the gear of bottom tube-like to keep the 4C of cylinder portion.Here, three pin fixed part 4A are formed on the part corresponding to the position of the described pin-and-hole 3c of cabinet 3, and on these three pin fixed part 4A, are formed with the pin insertion hole 4a(Fig. 3 that is pressed into the circular hole that coordinates described pin 5 and only show a hole).
Then, as shown in Figure 1 and Figure 2, cover 4 is inserted into week in the bottom of cabinet 3, to cover the lower aperture portion of cabinet 3 from below, three described pin-and-hole 3c(that pin 5 is inserted into the sidepiece that is formed on cabinet 3 are referring to Fig. 3) on, by described pin 5 is pressed into and is engaged to pin insertion hole 4a, thereby cover 4 is fixed on cabinet 3, described pin insertion hole 4a is formed on and erects on three pin fixed part 4A of this cover 4.
But, as shown in Figure 1 and Figure 2, be formed with locking member incorporating section 2A and the 2B of substrate reception portion at housing 2, and locking member incorporating section 2A is accommodated with locking member 6.This locking member 6 is by the roughly screwdriver 7 cylindraceous that is carved with outside thread 7a in the periphery of bottom, and the tabular lock bolt 8 that can be housed in up or down in this screwdriver 7 forms.Here, lock bolt 8 is formed with the slotted hole 8a growing at above-below direction, and lock bolt 8 is connected to screwdriver 7 by the pin 9 that is inserted into slotted hole 8a at transverse direction.But pin 9 connects at transverse direction the pin insertion hole 7b that is located at screwdriver 7 and keeps inserting by being pressed into be engaged to.
And, lock bolt 8 can be fastened in the rectangle patchhole 3d that is formed at cabinet 3 up or down, and by the spring 10 between the compressed dividing plate 7c that is assemblied in screwdriver 7 therewith, all the time growth trend up, conventionally the bottom of the slotted hole 8a by lock bolt 8 is sticked in pin 9, thereby this lock bolt 8 moves up and down with screwdriver 7 simultaneously.
In addition, in the part in opposite directions of the upper periphery of screwdriver 7, form along horizontally extending arm 7A and long rotation retainer 7B along the vertical direction, arm 7A can be housed in housing 2(cabinet 3 up or down) in, rotation retainer 7B snaps into the engagement groove 3e that is formed at cabinet 3, and stops the rotation of screwdriver 7.And arm 7A top ends is formed with the magnetite incorporating section 7d of cross-sectional plane rectangle, the magnetite 11(magnet of quadrangular prism shape) be contained to this magnetite incorporating section 7d by being pressed into coordinate.
As shown in Figure 1 and Figure 2, be formed on and on the described locking member incorporating section 2A in housing 2, can be accommodated with rotatably further geared parts 12 cylindraceous, by erect inner face at cover 4 (above) described gear keep the 4C of cylinder portion can keep rotatably the lower, outer perimeter of this geared parts 12.And the lower, outer perimeter of this geared parts 12 is formed with worm gear 12a, and be formed with internal thread part 12b interior week at same geared parts 12.
Be inserted with the bottom of described screwdriver 7 in the inside of said gear parts 12, the upper engaging of described outside thread 7a that is formed on the lower, outer perimeter of this screwdriver 7 has the described negative thread 12b that is formed at 12 interior weeks of geared parts.And, the gear that is formed on cover 4 keep the columned spring perch 4b of central part of the 4C of cylinder portion and the dividing plate 7c of screwdriver 7 between compression be equipped with spring 13, locking member 6(screwdriver 7 and lock bolt 8) pass through spring 13 growth trend up all the time.
In addition, as depicted in figs. 1 and 2, the described locking member incorporating section 2A that is formed on housing 2 is above accommodated with as 14 of electric cylinder using horizontal state, is formed with the worm screw 15 of path on the output shaft 14a of this electrical motor 14.And this worm screw 15 snaps into the described worm gear 12a of the periphery that is formed at geared parts 12.Here, worm screw 15 and worm gear 12a are configured to the drive configuration that the rotational force of the output shaft 14a of electrical motor 14 is converted to the advance and retreat power of locking member 6.
On the one hand, as depicted in figs. 1 and 2, be formed on the described substrate reception 2B of portion of housing 2 and be accommodated with printed base plate (PCB) 16, still, this printed base plate 16 is contained with the state vertically erecting, so that this inner face is parallel with the direction of action of locking member 6.And, on the locked position on the inner face top of this printed base plate 16, dispose a lock sensor 17, on interior basifacial unlocked position, dispose two unlock sensor (1) 18 and unlock sensor (2) 19.But, lock sensor 17 and unlock sensor (1) 18 and unlock sensor (2) the 19th, consist of the Hall element as magnetic detection unit, and form the lock bolt position detection unit of the operating position that detects lock bolt 8 together with described magnetite 11.
Secondly, the system architecture of electric steering lock apparatus 1 is described based on Fig. 4 below.
Fig. 4 is the system construction drawing according to electric steering lock apparatus of the present invention, as shown in Figure 4, electric steering lock apparatus 1 possesses as controlling below the microcomputer 20(of the control part that moves of electrical motor 14 referred to as " micro computer "), be electrically connected with lock sensor 17 and unlock sensor (1) 18 and unlock sensor (2) 19 at this micro computer 20.
But, electrical motor 14 is driven by motor drive circuit 21, if motor drive circuit 21 receives locking operation signal from micro computer 20, operate after inner relay etc., electrical motor 14 is operated to locking side, if receive release actuating signal from micro computer 20, operate after inner relay etc., electrical motor 14 is operated to release side.
And, be connected to motor drive circuit 21(electrical motor 14 from battery supply (+B) 22) electrical path 23 be provided with the power switching unit 24 of this electrical path 23 of cut-out/conducting, this power switching unit 24 comprises: switch portion 25, is located on electrical path 23; Supply disconnecton judging part 26, judgement is by the switching of the cut-out/conducting of the electrical path 23 of this switch portion 25.Here, supply disconnecton judging part 26 is made up of the first judging part 26a and the second judging part 26b.
Above-mentioned the first judging part 26a, formed by NAND circuit, and according to the input value (" 0:OFF " or " 1:ON ") of the priming supply for driving driving engine (being called " IG power supply " below) 27 and from the input value (" 0:OFF " or " 1:ON ") of unlock sensor (2) 19, there is output 1(" 0 " or " 1 " shown in output table 1) function.
[table 1]
In addition, described the second judging part 26b, formed by AND circuit, according to the output valve 1(of described the first judging part 26a " 0 " or " 1 ") and from the power control signal (" 0:OFF " (cut-out) or " 1:ON " (conducting)) of micro computer 20, there is the output 2(shown in output table 2 " 0: cut off " or " 1: conducting ") function.Here, IG power supply 27, be located at from battery 22 and be connected to the electrical path of supply disconnecton judging part 26 and engine drive structure, switch ON and OFF according to the IG source switch 27a of portion of this electrical path of the control signal conducting by from upper ECU28/cut off.Certainly,, in upper ECU28, also can make the IG source switch 27a of portion there is the function identical with it.
[table 2]
But, on vehicle, be mounted with upper ECU28, this upper ECU28, when communicating between micro computer 20 by communication interface (be called " communication I/F ") and electric steering lock apparatus 1, there is the function of exporting the control of micro computer power supply and export (power source ON signal or power supply OFF signal) to being located at micro computer power circuit 31 from battery supply 22 to the power circuit 30 micro computer 20 below.Here, micro computer has following function with power circuit 31, cell pressure is converted to the voltage of micro computer 20 use, if and receive power source ON signal from upper ECU28, power circuit 30 is made as to conducting state, power supply is supplied to micro computer 20, if receive power supply OFF signal from upper ECU28, power circuit 30 is made as to dissengaged positions, sever supply is to the power supply of micro computer 20.
Secondly, the action of electric steering lock apparatus 1 as constituted above (locking/release action) is described.
(1) release action:
First, illustrate that based on Fig. 1 and Fig. 2 and Fig. 5 the release action of electric steering lock apparatus 1 is as follows.Wherein, time diagram when Fig. 5 is electric steering lock apparatus (Fig. 5 is expressed as " ESCL ") release action.
As shown in Figure 1, when not shown driving engine is halted state, the lock bolt 8 of locking member 6 is positioned at the locked position of the upper limit, and this upper end is outstanding to recess 3a from the lock bolt patchhole 3d of cabinet 3, and snaps into not shown steering shaft.In this state, the rotation of steering shaft is locked, and cannot rotate the not shown bearing circle of operation, thereby can prevent that vehicle is stolen in this locking state.At this moment, as shown in Figure 1, a lock sensor 17 that is disposed at the locked position of printed base plate 16 detects and is located at locking member 6(arm 7A) magnetic force of magnetite 11, therefore, micro computer 20 judges that lock bolt 8 is positioned at locked position.
The step of the release action while starting the driving engine in halted state here, is described.Wherein, 1 shown in Fig. 5)～12) symbol with below shown in numbering 1)～12) corresponding.
1) user's (chaufeur) carries out pressing operation (ON operation) for not shown driving engine start stop switch.
2) if upper ECU28 detects above-mentioned 1), export micro computer power supply control signal (power source ON signal) to for micro computer power circuit 31, and power supply is supplied to micro computer 20.
3) upper ECU28 is sent to micro computer 20 by communication I/F29 by unlock command signal.
4) upper ECU28 opens after (ON) IG power supply 27, and vehicle-state is confirmed to (preparation of engine starting).
5) power control signal (ON) is sent to switch portion 25 by micro computer 20.At this moment, IG power supply 27 is ON " 1 ", and unlock sensor (2) 19 is not for detecting " the NOT UNLOCK " of unlocked position; " 0 "), therefore, just become from the numbering 3 of table 1 to " 1 " from the output 1 of the first judging part 26a.
In addition, be ON(" 1 " from the power control signal of micro computer 20), therefore, just become " 1 " from the numbering 8 of table 2 to the output 2 from the second judging part 26b, switch portion 25 becomes conducting state from dissengaged positions, from battery supply 22 to motor drive circuit 21(electrical motor 14) supply power.That is, in the present embodiment, the second judging part 26b is only " 1:ON " in the output 1 from the first judging part 26a, and power control signal is while being " 1:ON ", has the function that switch portion 25 is switched to conducting state.
6) micro computer 20 exports unlocking operation signal after motor drive circuit 21 to, and electrical motor 14 is operated to unlocked position, and lock bolt 8 is moved to release side.
In other words, if at release side operating motor, the rotation of this output shaft 14a is slowed down by worm screw 15 and worm gear 12a, and direction is converted to behind right angle, be sent to geared parts 12, and this geared parts 12 is rotated, therefore, the screwdriver 7 that is formed with outside thread 7a overcomes the application force of spring 13 and moves down, and the described screwdriver 7 that is formed with outside thread 7a is tightened against on the negative thread 12b in the interior week that is engraved in this geared parts 12.Like this, if screwdriver 7 moves down,, by being formed on arm 7A and the pin 9 of this screwdriver 7, the lock bolt 8 that is connected to screwdriver 7 also moves down.
But, as above-mentioned, if after the arm 7A of screwdriver 7 moves down, as shown in Figure 2, lock bolt 8 arrives the unlocked position of lower limit, the inside of lock bolt patchhole 3d is return in the upper end of this lock bolt 8, therefore, remove the engaging of the steering shaft that is connected to lock bolt 8, and after removing the locking of steering shaft, become released state, thereby chaufeur can be realized the rotation operation of bearing circle.
7) move to release side by lock bolt 8, lock sensor 17 switches to " NOTLOCK ", and unlock sensor (1) 18 and unlock sensor (2) 19 switch to " UNLOCK " simultaneously.
8) if unlock sensor (2) 19 becomes ON(" UNLOCK "), become " 0 " from the output 1 of the first judging part 26a from the numbering 4 of table 1, therefore, become " 0 " from the second judging part 26b output 2 from the numbering 6 of table 2, switch portion 25 switches to dissengaged positions.Thereby, cut off from battery supply 22 is supplied to the power supply of motor drive circuit 21, stop electrical motor 14.
9) release release signal is sent to upper ECU28 by micro computer 20.
10) power control signal is made as OFF by micro computer 20, and stop exporting to the release actuating signal of motor drive circuit 21 simultaneously.
11) upper ECU28 stops exporting micro computer power supply control signal to micro computer power circuit 31, and cuts off the power supply that is supplied to micro computer 20 from battery supply 22.
12) upper ECU28 carrys out fire an engine by the starter of fire an engine.
As above-mentioned, in the present embodiment, start operation by engine starting, even if IG power supply 27 is ON, but as long as lock bolt 8 is not in the unlocked position, just can not cut off and be connected to motor drive circuit 21(electrical motor 14) electrical path 23, therefore, even if the state that IG power supply 27 is ON, also can carry out release action (lock bolt 8 is moved to unlocked position) by operation electric steering lock apparatus 1.Therefore, when operation electric steering lock apparatus 1, can prepare engine starting, therefore can shorten from engine starting and start operation (pressing operation of driving engine start stop switch) time to engine starting, thereby improve user's convenience.
And, in the present embodiment, even export under the state of conducting (ON) (when output 1 is " 1 ") at the first judging part 26a of power switching unit 24, also can be by carry out the cut-out/conducting state of change-over switch portion 25 from the power control signal of micro computer 20, for example, even if stop after driving engine, lock bolt 8 is positioned at (IG power supply 27:OFF in the situation of locked position, unlock sensor (2) 19 is OFF(" NOT LOCK ")) (being " 1 " from the output 1 of numbering 1 to the first judging part 26a of table 1), OFF(" 0 " will be made as from the power control signal of micro computer 20), as shown in the numbering 7 of table 2, output 2 from the second judging part 26a becomes " 0 ", switch portion 25 can be switched to dissengaged positions, and can effectively prevent the fault of electrical motor 14 in vehicle stop.
In addition, in the present embodiment, lock bolt 8 moves between from locked position to unlocked position, if unlock sensor (2) 19 detects the unlocked position of lock bolt 8, cut off and be connected to motor drive circuit 21(electrical motor 14 by power switching unit 24) electrical path 23 after, forbid the movement of lock bolt 8, therefore, can effectively prevent that the fault due to bearing circle makes the rotation of bearing circle become the problem of locking state accidentally in Vehicle Driving Cycle.
(2) locking action
Secondly, the action of electric steering lock apparatus 1 is described based on Fig. 1 and Fig. 2 and Fig. 6 below.Wherein, Fig. 6 is the electric steering lock apparatus (time diagram be expressed as the locking action of " ESCL " in Fig. 6 time.
As shown in Figure 2, not shown driving engine is in the time of operating state, and the lock bolt 8 of locking member 6 is positioned at the unlocked position of lower limit, and this upper end is embedded in the lock bolt patchhole 3d of cabinet 3, and does not snap into not shown steering shaft.Under this state, can carry out the rotation of steering shaft, in this released state, can freely rotate the not shown bearing circle of operation.At this moment, as shown in Figure 2, be disposed at two unlock sensor (1) 18 of unlocked position of printed base plate 16 and unlock sensor (2) 19 detect be located at locking member 6(arm 7A) magnetic force of magnetite 11, therefore, micro computer 20 is judged lock bolt 8 and is positioned at unlocked position.
The step of the locking action while starting the driving engine in halted state is described below.Wherein, 1 shown in Fig. 6)～11) symbol with below shown in numbering 1)～11) corresponding.
1) user's (chaufeur) carries out pressing operation (OFF operation) for not shown driving engine start stop switch.
2) if upper ECU28 detects above-mentioned 1), close (OFF) IG power supply and stop driving engine.
3) if upper ECU28 exports micro computer power supply control signal (power source ON signal) to for micro computer power circuit 31, and power supply is supplied to micro computer 20 from battery supply 22.
4) upper ECU28 is sent to micro computer 20 by communication I/F29 by locking command signal.
5) power control signal (ON) is sent to switch portion 25 by micro computer 20.At this moment, IG power supply 27 is OFF " 0 ", and unlock sensor (2) 19 is ON(UNLOCK ": " 1 "), therefore, just become from the numbering 2 of table 1 to " 1 " from the output 1 of the first judging part 26a.
In addition, be ON(" 1 " from the power control signal of micro computer 20), therefore, just become " 1 " from the numbering 8 of table 2 to the output 2 from the second judging part 26b, switch portion 25 becomes conducting state from dissengaged positions, from battery supply 22, power supply is supplied to motor drive circuit 21(electrical motor 14).That is, in the present embodiment, the second judging part 26b is only " 1:ON " in the output 1 of the 26a from the first judging part, and power control signal is while being " 1:ON ", and switch portion 25 is switched to conducting state.
6) micro computer 20 exports locking action signal after motor drive circuit 21 to, and electrical motor 14 is operated to locked position, and lock bolt 8 is moved to locking side.
In other words, if at locking side operating motor 14, the output shaft 14a of electrical motor 14 reversing, this rotation is conveyed to geared parts 12 by worm screw 15 and worm gear 12a, screwdriver 7 moves up, so that this geared parts 12 reverses, by being integrally formed in arm 7A and the pin 9 of this screwdriver 7, the lock bolt 8 that is connected to screwdriver 7 moves up.Its result, as shown in Figure 1, the upper end of lock bolt 8 is outstanding from the recess 3a of cabinet 3, and is sticked in not shown steering shaft, and therefore, the rotation of steering shaft becomes the locking state being locked, thus can prevent from stopping time, vehicle be stolen.But, when lock bolt 8 can not snap into the engagement groove of steering shaft well, within pin 9 can relatively move and is formed at the scope in the slotted hole 8a of this lock bolt 8, the application force that lock bolt 8 overcomes spring 10 moves down, therefore, excessive load can be applied to lock bolt 8
7) move to locking side by lock bolt 8, unlock sensor (1) 18 and unlock sensor (2) 19 switch to " NOT LOCK ", and lock sensor 17 switches to " LOCK ".
8) micro computer 20 stops exporting to after the locking action signal of motor drive circuit 21, stops electrical motor 14.
9) locking action end signal is sent to upper ECU28 by micro computer 20.
10) micro computer 20 stops the output for the power control signal of switch portion 25, cut off be supplied to motor drive circuit 21(electrical motor 14 from battery supply 22) power supply.
11) upper ECU28 stops exporting micro computer power supply control signal to micro computer power circuit 31, and cuts off the power supply that is supplied to micro computer 20 from battery supply 22.
Secondly, describe for variation of the present invention.
In the above-described embodiment, although the second judging part 26b of supply disconnecton judging part 26 adopts the output 1 based on from the first judging part 26a and carrys out the structure of the cut-out/conducting state of change-over switch portion 25 from the power control signal of micro computer 20, but also can be as shown in Figure 7, replace the power control signal from micro computer 20, by carry out the cut-out/conducting state of change-over switch portion 25 from the power control signal of upper ECU28.
According to above-mentioned structure, even under the state of the first judging part 26a output conducting (ON), also can be by carry out the cut-out/conducting state of change-over switch portion 25 from the power control signal of upper ECU28, for example, even if stop driving engine, and lock bolt 8 is positioned at locked position (IG power supply 27:OFF, unlock sensor (2) 19:OFF(" NOTUNLOCK "), as long as the power control signal from ECU28 is made as to OFF, just switch portion 25 can be switched to dissengaged positions, therefore, can play the effect that effectively prevents the fault of electrical motor 14 in vehicle stop.
In addition, in the above-described embodiment, formed supply disconnecton judging part 26 by the first judging part 26a and the second judging part 26b, still, as shown in Figure 8, omit the second judging part 26b, only form supply disconnecton judging part 26 by the first judging part 26a, and the first judging part 26a, be only ON at IG power supply 27, and unlock sensor (2) 19 is ON(" UNLOCK ") time, if can there is the function that switch portion 25 is switched to dissengaged positions, just can obtain effect same as described above.
But, in the present embodiment, carry out the power supply control of fire an engine and control electric steering lock apparatus 1(micro computer 20 by a upper ECU28, to the locking/unlock command of micro computer 20), but, also can move respectively by other upper ECU.And upper ECU28 also can have other functions, for example, intelligent ECU, by and the electron key that possesses of user between carry out data communication, thereby lock a door for auto lock/solution; Engine ECU, carries out driving and the control of driving engine; Power supply control ECU, carries out the power supply control of vehicle; Body Control ECU, integrated control is loaded into the various electronic units of vehicle.
In addition, in the present embodiment, although switch portion 25 is located on the electrical path 23 between battery supply 22 and motor drive circuit 21, but be not limited to this, for example, also can be located on the electrical path between motor drive circuit 21 and electrical motor 14, or also can be located on the electrical path between motor drive circuit 21 and GND.
Further, in the present embodiment, operate lock bolt 8 although be configured to by the electrical motor 14 as electric cylinder,, for example, also can be by operating lock bolt 8 by battery supply 22 driven screw actuators etc.
Reference numeral
1 electric steering lock apparatus
2 housings
The locking member incorporating section of 2A housing
The substrate reception portion of 2B housing
3 cabinets
The recess of 3a cabinet
The adaptor union of 3b cabinet arranges portion
The pin-and-hole of 3c cabinet
The lock bolt patchhole of 3d cabinet
The engagement groove of 3e cabinet
The bearing recess of 3f cabinet
4 covers
The pin fixed part of 4A cover
The gland portion of 4B cover
The gear of 4C cover keeps cylinder portion
The pin insertion hole of 4a cover
The spring perch of 4b cover
5 pins
6 locking members
7 screwdrivers
The arm of 7A screwdriver
The rotation retainer of 7B screwdriver
The external thread part of 7a screwdriver
The pin insertion hole of 7b screwdriver
The dividing plate of 7c screwdriver
The magnetite incorporating section of 7d arm
8 lock bolts
The slotted hole of 8a lock bolt
9 pins
10 springs
11 magnetites
12 geared parts
12a worm gear
The internal thread part of 12b geared parts
13 springs
14 electrical motors (electric cylinder)
The output shaft of 14a electrical motor
15 worm screws
16 printed base plates
17 lock sensor
18 unlock sensor (1)
19 unlock sensor (2)
20 micro computers (control part)
21 motor drive circuits
22 battery supplies
23 electrical paths
24 power switching unit
25 switch portion
26 supply disconnecton judging parts
26a the first judging part
26b the second judging part
27 priming supplies (IG power supply)
27a IG source switch portion
28 upper ECU
29 communication interfaces (communication I/F)
30 power circuits
31 micro computer power circuits
Claims (3)
1. an electric steering lock apparatus, comprising:
Lock bolt, can be sticked in vehicle steering shaft locked position and remove between this unlocked position engaging and move;
Electric cylinder, operates this lock bolt;
Control part, controls the action of this electric cylinder;
Power switching unit, cut-out/conducting is connected to the electrical path of described electric cylinder;
Lock bolt position detection unit, detects the operating position of described lock bolt,
Described electric steering lock apparatus is characterised in that, wherein,
Described power switching unit comprises:
Switch portion, is located on described electrical path;
The first judging part, according to priming supply and switch the cut-out/conducting state of described switch portion from the input value of described lock bolt position detection unit,
Described the first judging part is only ON at described priming supply, and described lock bolt position detection unit is while detecting the unlocked position of described lock bolt, has the function that described switch portion is switched to dissengaged positions.
2. electric steering lock apparatus according to claim 1, is characterized in that,
Described power switching unit also comprises:
The second judging part, according to the output valve from described the first judging part with switch the cut-out/conducting state of described switch portion from the power control signal of described control part,
This second judging part is only conducting (ON) in the output valve of described the first judging part, and described power control signal is while being conducting (ON), has the function that described switch portion is switched to conducting state.
3. electric steering lock apparatus according to claim 1, is characterized in that,
Described control part, and upper ECU(electronic control unit) between communicate, and according to user, the operation of driving engine start stop switch is carried out to selectivity and receive the locking command signal of request locking action or the unlock command signal of request release action from described upper ECU
Described power switching unit also comprises:
The second judging part, according to the output valve from described the first judging part with switch the cut-out/conducting state of described switch portion from the power control signal of described upper ECU,
This second judging part is only conducting (ON) in the output valve of described the first judging part, and described power control signal is while being conducting (ON), has the function that described switch portion is switched to conducting state.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013077133A JP6109624B2 (en) | 2013-04-02 | 2013-04-02 | Electric steering lock device |
| JP2013-077133 | 2013-04-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104097608A true CN104097608A (en) | 2014-10-15 |
| CN104097608B CN104097608B (en) | 2017-12-19 |
Family
ID=51519895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410119740.7A Expired - Fee Related CN104097608B (en) | 2013-04-02 | 2014-03-27 | Electric steering lock apparatus |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6109624B2 (en) |
| CN (1) | CN104097608B (en) |
| DE (1) | DE102014004647B4 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6423247B2 (en) * | 2014-10-31 | 2018-11-14 | 株式会社ユーシン | Electric steering lock device |
| JP6685703B2 (en) * | 2015-11-25 | 2020-04-22 | 株式会社ユーシン | Electric steering lock device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000095066A (en) * | 1998-09-25 | 2000-04-04 | Tokai Rika Co Ltd | Motor-driven steering locking device |
| US20030071520A1 (en) * | 2001-08-24 | 2003-04-17 | Masaki Hayashi | Electronic automotive anti-theft device |
| JP2005219614A (en) * | 2004-02-05 | 2005-08-18 | Tokai Rika Co Ltd | Steering lock device |
| CN101633368A (en) * | 2008-07-24 | 2010-01-27 | 株式会社有信 | Motor-driven steering lock apparatus |
| JP2011111015A (en) * | 2009-11-26 | 2011-06-09 | Yuhshin Co Ltd | Electric steering lock device |
| CN102910144A (en) * | 2011-07-15 | 2013-02-06 | 株式会社有信 | Electric steering lock device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5587749B2 (en) * | 2010-11-25 | 2014-09-10 | 株式会社ユーシン | Electric steering lock device |
-
2013
- 2013-04-02 JP JP2013077133A patent/JP6109624B2/en not_active Expired - Fee Related
-
2014
- 2014-03-27 CN CN201410119740.7A patent/CN104097608B/en not_active Expired - Fee Related
- 2014-03-28 DE DE102014004647.8A patent/DE102014004647B4/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000095066A (en) * | 1998-09-25 | 2000-04-04 | Tokai Rika Co Ltd | Motor-driven steering locking device |
| US20030071520A1 (en) * | 2001-08-24 | 2003-04-17 | Masaki Hayashi | Electronic automotive anti-theft device |
| JP2005219614A (en) * | 2004-02-05 | 2005-08-18 | Tokai Rika Co Ltd | Steering lock device |
| CN101633368A (en) * | 2008-07-24 | 2010-01-27 | 株式会社有信 | Motor-driven steering lock apparatus |
| JP2011111015A (en) * | 2009-11-26 | 2011-06-09 | Yuhshin Co Ltd | Electric steering lock device |
| CN102910144A (en) * | 2011-07-15 | 2013-02-06 | 株式会社有信 | Electric steering lock device |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102014004647B4 (en) | 2021-12-09 |
| JP6109624B2 (en) | 2017-04-05 |
| DE102014004647A1 (en) | 2014-10-02 |
| JP2014201128A (en) | 2014-10-27 |
| CN104097608B (en) | 2017-12-19 |
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Granted publication date: 20171219 |