CN104097608B - Electric steering lock apparatus - Google Patents
Electric steering lock apparatus Download PDFInfo
- Publication number
- CN104097608B CN104097608B CN201410119740.7A CN201410119740A CN104097608B CN 104097608 B CN104097608 B CN 104097608B CN 201410119740 A CN201410119740 A CN 201410119740A CN 104097608 B CN104097608 B CN 104097608B
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- Prior art keywords
- clamping screw
- judging part
- switch portion
- conducting
- lock apparatus
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Classifications
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- 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 present invention provide it is a kind of can prevent vehicle travel in failure while, can shorten since engine start operation to engine start time electric steering lock apparatus.The electric steering lock apparatus (1) includes：Clamping screw (8)；Motor (electric cylinder) (14)；Micro computer (control unit) (20)；Power switching unit (24)；Lock sensor (17)；Lock sensor (18) and solution lock sensor (19) (clamping screw position detection unit) are solved, in the electric steering lock apparatus (1), the power switching unit (24) includes：Switch portion (25), it is located on electrical path (23)；First judging part (26a), switch cut-out/conducting state of switch portion (25) according to priming supply (27) and come the input value of Self-unlocking sensor (19), first judging part (26a) is ON only in the priming supply (27), and the solution lock sensor (19) is when be ON, with the function that switch portion (25) is switched to dissengaged positions.
Description
Technical field
The present invention relates to during a kind of parking for electric locking steering wheel rotation electric steering lock apparatus.
Background technology
At present, for the purpose of antitheft, when also possessing parking on vehicle for electric locking steering wheel rotation it is electronic
Steering lock apparatus.The electric steering lock apparatus is configured to include：Can be in the latched position for the steering spindle for being sticked in vehicle
The clamping screw moved between the unlocked position that this engages with releasing；Operate the electric cylinder of the motor of the clamping screw etc.；
Control the control unit of the micro computer of the action of the electric cylinder etc..
Such electric steering lock apparatus, after vehicle stops, in the state of engine action, if user (drives
The person of sailing) carry out engine start stop switch pressing operation (OFF operations), then detect the operation vehicle upper ECU stopping
Engine, and safety will be had been acknowledged as condition locking request is carried out to the control unit of electric steering lock apparatus.At this moment, control
Portion processed drives electric cylinder, after clamping screw is moved into locked position by the electric cylinder, by the side of being snapped into
The rotation of steering wheel is locked to disk.
On the one hand, after vehicle stops, in the state of engine stop, if user (driver) carries out engine start and stop
The pressing operation (ON operations) of switch, then detect that the upper ECU of the operation is carried out to the control unit of electric steering lock apparatus
Unlocking request.At this moment, control unit driving electric cylinder, after clamping screw is moved into unlocked position by the electric cylinder,
The engaging for the steering spindle for being connected to the clamping screw is released, by the unblock to steering wheel, driver can realize steering operation.
However, in such electric steering lock apparatus, in order to electronic travel direction disk locking/unblock, it is necessary to examine
Measure clamping screw and be located at locked position still after unlocked position, drive control electric cylinder, therefore, being provided with clamping screw
Position detection means, for detecting the operating position of clamping screw.
But in electric steering lock apparatus, in order to avoid clamping screw is moved into lock accidentally in being travelled in vehicle
After tight position, there is situations such as rotation of locking steering wheel, therefore, set and open on the electrical path for be connected to electric cylinder
Unit is closed, by power control part or the signal from priming supply switches cut-out/conducting state of the switch element, with
Just cut off in vehicle traveling and supply to the power supply of electric cylinder (for example, with reference to patent document 1).Specifically, if having vehicle
In the case of the possibility of traveling (for example, when priming supply is ON), switch element is set to dissengaged positions (OFF) state, made
The action (movement of clamping screw) of electric steering lock apparatus can not be realized.
Look-ahead technique document Prior Art
Patent document
Patent document 1：JP 2010-023810 publications
But starting engine needs priming supply, therefore, list will be switched when priming supply is ON as conventional by using
Member be used as dissengaged positions (OFF state), and when forbidding the method for the action of electric steering lock apparatus, terminates to be moved to locking screw
After the unlocked position of bolt, it is necessary to open (ON) priming supply after start engine.Accordingly, there exist grasped since starting engine
Make (pressing operation of engine start stop switch) and start the problem of time-consuming to engine, and also exist and operate for the user
The problem of inconvenience etc..
The content of the invention
In view of the above problems, it is an object of the invention to provide a kind of failure that can be prevented in vehicle traveling, and simultaneously
The electric steering lock apparatus of the time since starting operation engine starts to engine can be shortened.
To achieve these goals, technical scheme 1 includes：
Clamping screw, the latched position of steering spindle of vehicle can be sticked in releasing between the unlocked position that this engages
It is mobile；
Electric cylinder, operate the clamping screw；
Control unit, control the action of the electric cylinder；
Power switching unit, cut-out/conducting are connected to the electrical path of the electric cylinder；
Clamping screw position detection unit, the operating position of the clamping screw is detected,
The electric steering lock apparatus is characterised by, wherein,
The power switching unit includes：
Switch portion, it is located on the electrical path；
First judging part, according to priming supply and input value from the clamping screw position detection unit switches
Cut-out/conducting state of the switch portion；
First judging part is ON only in the priming supply, and the clamping screw position detection unit detects institute
When stating the unlocked position of clamping screw, there is the function that the switch portion is switched to dissengaged positions,
The power switching unit also includes：
Second judging part, believed according to the output valve from first judging part and the power supply from the control unit
Number switch cut-out/conducting state of the switch portion,
Second judging part is conducting (ON) only in the output valve of first judging part, and the power control signal is
When turning on (ON), there is the function that the switch portion is switched to conducting state.
Technical scheme 2 includes：
A kind of electric steering lock apparatus, including：
Clamping screw, the locked position of steering spindle of vehicle can be sticked in releasing between the unlocked position that this engages
It is mobile；
Electric cylinder, operate the clamping screw；
Control unit, control the action of the electric cylinder；
Power switching unit, cut-out/conducting are connected to the electrical path of the electric cylinder；
Clamping screw position detection unit, the operating position of the clamping screw is detected,
The electric steering lock apparatus is characterised by, wherein,
The power switching unit includes：
Switch portion, it is located on the electrical path；
First judging part, according to priming supply and input value from the clamping screw position detection unit switches
Cut-out/conducting state of the switch portion,
First judging part is ON only in the priming supply, and the clamping screw position detection unit detects institute
When stating the unlocked position of clamping screw, there is the function that the switch portion is switched to dissengaged positions,
The control unit, communicated between upper ECU (electronic control unit), and engine is opened according to user
Guard's valve is operated to receive the locking command signal of the request locking action from the upper ECU or request unlocking motion
Unlocking command signal,
The power switching unit also includes：
Second judging part, according to the output valve from first judging part and the power supply from the upper ECU
Signal switches cut-out/conducting state of the switch portion,
Second judging part is conducting (NO) only in the output valve of first judging part, and the power control signal is
When turning on (ON), there is the function that the switch portion is switched to conducting state.
The effect of invention
According to technical scheme 1, even if priming supply starts operation by engine starting becomes ON, as long as clamping screw is not
In unlocked position, the electrical path for being connected to electric cylinder would not be cut off, therefore, even if priming supply is ON states,
After electric steering lock apparatus being operated, action (unlocked position for being moved to clamping screw) is unlocked.That is, due to can
Carried out while the action of electric steering lock apparatus the preparation of engine starting, therefore, shorten and started from engine
Start the time that operation (pressing (Push) operation of engine start stop switch) starts to engine, and improve user just
Profit.
Also, clamping screw moves in locked position between unlocked position, if locked position detection unit detects to lock
The unlocked position of tight bolt, then forbid clamping screw after being connected to the electrical path of electric cylinder by power switching unit cut-out
Movement, therefore, it is possible to effectively prevent vehicle travel in because the failure of steering wheel accidentally becomes the rotation of steering wheel
The problem of locking state.
According to technical scheme 1, even if during the first judging part output conducting (ON), also can be according to the power supply from control unit
Control signal switches cut-out/conducting state of switch portion, for example, after stopping engine, even clamping screw is positioned at locking
(priming supply in the case of position：OFF, clamping screw position detection unit：Do not detect to unlock), if by from control unit
Power control signal is set to OFF, then switch portion can be switched into dissengaged positions, therefore, it is possible to prevent the electricity in vehicle stopping
Take offence the failure of cylinder.
According to technical scheme 2, even if the first judging part output conducting (ON), can also pass through the power supply from upper ECU
Control signal switches cut-out/conducting state of switch portion, for example, after stopping engine, even clamping screw is positioned at locking
(priming supply in the case of position：OFF, clamping screw position detection unit：Do not detect to unlock), if upper ECU will be come from
Power control signal be set to OFF, then switch portion can be switched to dissengaged positions, therefore, it is possible to prevent vehicle stop in
The failure of electric cylinder.
Brief description of the drawings
Fig. 1 is the longitudinal section for the locking state for showing the electric steering lock apparatus according to the present invention.
Fig. 2 is the longitudinal section for the released state for showing the electric steering lock apparatus according to the present invention.
Fig. 3 is the exploded perspective view according to the electric steering lock apparatus of the present invention.
Fig. 4 is the system construction drawing according to the electric steering lock apparatus of the present invention.
Time diagram when Fig. 5 is the unlocking motion according to the electric steering lock apparatus of the present invention.
Time diagram when Fig. 6 is the locking action according to the electric steering lock apparatus of the present invention.
Fig. 7 is the circuit knot of the power switching unit for the variation 1 for showing the electric steering lock apparatus according to the present invention
Composition.
Fig. 8 is the circuit knot of the power switching unit for the variation 2 for showing the electric steering lock apparatus according to the present invention
Composition.
Embodiment
Below based on brief description of the drawings embodiments of the present invention.
Fig. 1 is the longitudinal section for the locking state for showing the electric steering lock apparatus according to the present invention, and Fig. 2 is to show together
The longitudinal section of the released state of one electric steering lock apparatus, Fig. 3 are that the decomposition for showing same electric steering lock apparatus is stood
Body figure.
Electric steering lock apparatus 1 according to the present invention is to lock/unlock steering spindle (direction (not shown) by electronic
Disk) rotation, cabinet 3 that the housing 2 is made up of the metal (such as magnesium alloy) of nonmagnetic material and covering opens below the cabinet 3
The cover 4 of oral area is formed.
Above-mentioned cabinet 3 is formed as rectangular box, recess 3a of the top formed with arc-shaped, is embedded with recess 3a
Column tube (not shown).Also, the column tube is fixed on cabinet 3 by being connected in the arc-shaped support (not shown) of cabinet 3.
Although it is not shown, still steering spindle has been stated in insertion in column tube, the upper end of the steering spindle, which couples, steering wheel, and steering wheel
Lower end is linked on the steering box for forming steering.Also, if driver's rotation process steering wheel, the rotation are passed through
Steering spindle is conveyed to steering box, after driving steering mechanism (not shown), operates the front-wheel of pair of right and left, needed for carrying out
Steering.
Also, as shown in figure 3, the sidepiece opening in cabinet 3 has rectangular connector disposed portion 3b, except formed with the company
Meet on other three sides outside device disposed portion 3b side the circular hole pin-and-hole 3c formed with press-in cooperation pin 5 (in Fig. 3 only
Show two holes).
On the other hand, the cover 4 is formed as rectangular flat shape, the inner face (above) be integratedly equipped with three it is block
Sell the fixed part 4A and three columned gland portion 4B and gear holding cylinder portion 4C of bottomed tube.Herein, three pins are solid
Determine portion 4A to be formed in the part of the position of the pin-and-hole 3c corresponding to cabinet 3, and formed with pressure on this three pin fixed part 4A
Enter the pin insertion hole 4a for the circular hole for coordinating the pin 5 (Fig. 3 illustrate only a hole).
Then, as shown in Figure 1 and Figure 2, cover 4 is inserted into the bottom inner circumferential of cabinet 3, to cover machine from below
Opening portion below case 3, pin 5 is inserted into be formed on three pin-and-hole 3c (referring to Fig. 3) of the sidepiece of cabinet 3, passed through
By the press-in cooperation of pin 5 to pin insertion hole 4a, so as to which cover 4 is fixed on cabinet 3, the pin insertion hole 4a is formed vertical
On three pin fixed part 4A of the cover 4.
But as shown in Figure 1 and Figure 2, in housing 2 formed with locking member incorporating section 2A and substrate reception portion 2B, and
Locking member incorporating section 2A is accommodated with locking member 6.The locking member 6 on the periphery of bottom by being carved with external screw thread 7a substantially
Cylindric screwdriver 7, and the tabular clamping screw 8 that can be housed in up or down in the screwdriver 7 are formed.At this
In, clamping screw 8 is formed with the longer elongated hole 8a of above-below direction, and clamping screw 8 in transverse direction by being inserted into elongated hole 8a
Pin 9 be connected to screwdriver 7.But pin 9 passes through press-in cooperation to the pin insertion hole that screwdriver 7 is located in transverse direction insertion
7b is remained inserted into.
Also, clamping screw 8 can be fastened in the rectangle patchhole 3d for being formed at cabinet 3 up or down, and be passed through
The spring 10 between the dividing plate 7c of screwdriver 7 is therewith assemblied in by compression, all the time up growth trend, generally passes through locking screw
The elongated hole 8a of bolt 8 bottom is sticked in pin 9, so as to which the clamping screw 8 moves up and down with screwdriver 7 simultaneously.
In addition, be integrally formed with the opposite part of the upper periphery of screwdriver 7 along horizontal-extending arm 7A and
Longer rotation retainer 7B along the vertical direction, arm 7A can be housed in housing 2 (cabinet 3) up or down, rotate stop
Portion 7B snaps into the slot 3e for being formed at cabinet 3, and prevents the rotation of screwdriver 7.Also, arm 7A top ends are formed with transversal
The magnetite incorporating section 7d of face rectangle, the magnetite 11 (magnet) of corner column are contained to the magnetite incorporating section by press-in cooperation
7d。
As shown in Figure 1 and Figure 2, being formed on the locking member incorporating section 2A in housing 2 can further revolve
Turn ground and be accommodated with cylindric geared parts 12, by erect cover 4 inner face (above) the gear holding cylinder portion 4C
The lower, outer perimeter of the geared parts 12 can rotatably be kept.Also, the lower, outer perimeter of the geared parts 12 is formed with worm gear
12a, and same geared parts 12 inner circumferential formed with internal thread part 12b.
In bottom of the inside of said gear part 12 inserted with the screwdriver 7, formed outside the bottom of the screwdriver 7
Engaging has the internal thread 12b for being formed at the inner circumferential of geared parts 12 on the external screw thread 7a in week.Also, formed in cover 4
Gear holding cylinder portion 4C central part columned spring base 4b and screwdriver 7 dividing plate 7c between compression be equipped with bullet
Spring 13, locking member 6 (screwdriver 7 and clamping screw 8) pass through the up growth trend all the time of spring 13.
In addition, as depicted in figs. 1 and 2, formed and stored on the locking member incorporating section 2A of housing 2 with horizontal state
There are 14 as electric cylinder, the worm screw 15 formed with path on the output shaft 14a of the motor 14.Also, the worm screw 15 blocks
It is bonded to the worm gear 12a for the periphery for being formed at geared parts 12.Herein, worm screw 15 and worm gear 12a are configured to motor
14 output shaft 14a revolving force is converted to the driving structure of the advance and retreat power of locking member 6.
On the one hand, as depicted in figs. 1 and 2, formed and be accommodated with printed base plate on the substrate reception portion 2B of housing 2
(PCB) 16, still, the printed base plate 16 is contained with the state vertically erected, so as to the action side of the inner face and locking member 6
To parallel.Also, a lock sensor 17 is configured with the locked position on the inner face top of the printed base plate 16, in inner face
Two solution lock sensors (1) 18 are configured with the unlocked position of bottom and conciliate lock sensor (2) 19.But lock sensor 17
It is what is formed by being used as the Hall element of magnetic detection unit to conciliate lock sensor (1) 18 and solution lock sensor (2) 19, and
And the clamping screw position detection unit of the operating position of detection clamping screw 8 is formed together with the magnetite 11.
Secondly, the system architecture of electric steering lock apparatus 1 is illustrated below based on Fig. 4.
Fig. 4 is according to the system construction drawing of the electric steering lock apparatus of the present invention, as shown in figure 4, electric steering lock
Device 1 possesses the microcomputer 20 (hereinafter simply referred to as " micro computer ") of the control unit acted as control motor 14, at this
Micro computer 20 is electrically connected with lock sensor 17 and conciliates lock sensor (1) 18 and solution lock sensor (2) 19.
But motor 14 is driven by motor drive circuit 21, if motor drive circuit 21 connects from micro computer 20
Locking operation signal is received, then after operating relay of inside etc., motor 14 is operated to locking side, if being received from micro computer 20
Unlocking motion signal, then after operating relay of inside etc., motor 14 is operated to unblock side.
Moreover, set being connected to from battery supply (+B) 22 on the electrical path 23 of motor drive circuit 21 (motor 14)
There is the power switching unit 24 of cut-out/the turn on electrical path 23, the power switching unit 24 includes：Switch portion 25, it is located at logical
On power path 23；Dump judging part 26, judge to pass through the switching of cut-out/conducting of the electrical path 23 of the switch portion 25.
Herein, dump judging part 26 is made up of the first judging part 26a and the second judging part 26b.
Above-mentioned first judging part 26a, is made up of NAND circuit, and according to the priming supply for driving engine (below
Referred to as " IG power supplys ") 27 input value (" 0：OFF " or " 1：ON ") and carry out the input value (" 0 of Self-unlocking sensor (2) 19：
OFF " or " 1：ON "), there is the function of exporting the output 1 (" 0 " or " 1 ") shown in table 1.
[table 1]
In addition, the second judging part 26b, is made up of AND circuit, according to the output valve 1 of the first judging part 26a
(" 0 " or " 1 ") and the power control signal (" 0 from micro computer 20：OFF " (cut-out) or " 1：ON " (conducting)), have defeated
Go out the output 2 (" 0 shown in table 2：Cut-out " or " 1：Conducting ") function.Herein, IG power supplys 27, it is located at from battery 22 and is connected to
On dump judging part 26 and the electrical path of engine driving structure, believe according to by the control from upper ECU28
The IG power switches portion 27a of number conducting/the cut off electrical path switches ON and OFF.Certainly, can also in upper ECU28
Make IG power switches portion 27a that there is same functionality.
[table 2]
However, being mounted with upper ECU28 on vehicle, the upper ECU28, pass through communication interface (hereinafter referred to as " communication I/
F ") while communicated between the micro computer 20 of electric steering lock apparatus 1, have to being located at from battery supply 22 to micro-
The micro computer of power circuit 30 between computer 20 with power circuit 31 export micro computer power supply export (power source ON signal or
Person's power supply OFF signal) function.Herein, micro computer has following function with power circuit 31, converts battery voltage to
The voltage of micro computer 20, and if receive power source ON signal from upper ECU28, power circuit 30 is set to conducting state,
Power supply is supplied to micro computer 20, if receiving power supply OFF signal from upper ECU28, power circuit 30 is set to dissengaged positions,
Cut-out is supplied to the power supply of micro computer 20.
Secondly, the action (locking/unlocking motion) of electric steering lock apparatus 1 as constituted above is illustrated.
(1) unlocking motion：
First, illustrate that the unlocking motion of electric steering lock apparatus 1 is as follows based on Fig. 1 and Fig. 2 and Fig. 5.Wherein, Fig. 5
For electric steering lock apparatus (Fig. 5 is expressed as " ESCL ") unlocking motion when time diagram.
As shown in figure 1, when engine (not shown) is halted state, the clamping screw 8 of locking member 6 is located at the lock of the upper limit
Tight position, the upper end is prominent to recess 3a from the clamping screw patchhole 3d of cabinet 3, and snaps into steering spindle (not shown).
In a state, the rotation of steering spindle is locked, in the locking state can not rotation process steering wheel (not shown), so as to
Enough vehicle is prevented to be stolen.At this moment, as shown in figure 1, the lock sensor 17 for being configured at the locked position of printed base plate 16 detects
Go out to be located at the magnetic force of locking member 6 (arm 7A) magnetite 11, therefore, micro computer 20 judges that clamping screw 8 is located at locked position.
Herein, illustrate start in halted state engine when unlocking motion the step of.Wherein, shown in Fig. 5
1) symbol~12) and numbering 1 shown below)~12) corresponding.
1) user (driver) carries out pressing operation (ON operations) for engine start stop switch (not shown).
If 2) upper ECU28 detect it is above-mentioned 1), by micro computer power control signal (power source ON signal) output to micro-
Computer power circuit 31, and power supply is supplied to micro computer 20.
3) upper ECU28 is sent unlocking command signal to micro computer 20 by the I/F29 that communicates.
4) after upper ECU28 opens (ON) IG power supplys 27, vehicle-state is confirmed (preparation that engine starts).
5) micro computer 20 sends power control signal (ON) to switch portion 25.At this moment, IG power supplys 27 are ON " 1 ", unblock
Sensor (2) 19 is " the NOT UNLOCK " for not detecting unlocked position；" 0 "), therefore, the output 1 from the first judging part 26a
Just turn into from the numbering 3 of table 1 to " 1 ".
In addition, the power control signal from micro computer 20 is ON (" 1 "), therefore, from the numbering 8 of table 2 to from second
Judging part 26b output 2 is just changed into " 1 ", and switch portion 25 is changed into conducting state from dissengaged positions, is driven from battery supply 22 to motor
Dynamic circuit 21 (motor 14) supply power supply.I.e., in the present embodiment, the second judging part 26b is only from the first judging part
26a output 1 is " 1：ON ", and power control signal is " 1：During ON ", there is the work(that switch portion 25 is switched to conducting state
Energy.
6) micro computer 20 is exported operation signal is unlocked to motor drive circuit 21, and motor 14 is operated to solution lock-bit
Put, and clamping screw 8 is moved to unblock side.
In other words, if in unblock side operation motor, output shaft 14a rotation passes through worm screw 15 and worm gear 12a quilts
Slow down, and after direction is converted to right angle, be sent to geared parts 12, and the geared parts 12 are rotated, therefore, formed with
External screw thread 7a screwdriver 7 overcomes the active force of spring 13 and moved down, and the screwdriver 7 formed with external screw thread 7a is twisted
Tightly on the internal thread 12b for the inner circumferential for being engraved in the geared parts 12.Like this, if screwdriver 7 moves down, by integratedly
The arm 7A and pin 9 in the screwdriver 7 are formed, the clamping screw 8 for being connected to screwdriver 7 also moves down.
However, as described above, if after the arm 7A of screwdriver 7 is moved down, as shown in Fig. 2 clamping screw 8 reaches the solution of lower limit
Lock position, then the upper end of the clamping screw 8 retract clamping screw patchhole 3d inside, therefore, releasing be connected to locking screw
The engaging of the steering spindle of bolt 8, and after releasing the locking of steering spindle, it is changed into released state, so as to which driver can realize direction
The rotation process of disk.
7) unblock side is moved to by clamping screw 8, lock sensor 17, which switches to, " NOT LOCK ", solves lock sensor
(1) 18 reconciliation lock sensor (2) 19 switches to " UNLOCK " simultaneously.
If 8) solution lock sensor (2) 19 is changed into ON (" UNLOCK "), the output 1 from the first judging part 26a is from table 1
Numbering 4 is changed into " 0 ", therefore, is changed into " 0 " from the numbering 6 of table 2 from the second judging part 26b outputs 2, switch portion 25 switches to
Disconnected state.So as to cut off from battery supply 22 and supply to the power supply of motor drive circuit 21, stop motor 14.
9) micro computer 20 sends unlocking motion end signal to upper ECU28.
10) power control signal is set to OFF by micro computer 20, while stopping output to the solution of motor drive circuit 21
Lock action signal.
11) upper ECU28 stop to micro computer power circuit 31 export micro computer power control signal, and cut off from
Battery supply 22 is supplied to the power supply of micro computer 20.
12) upper ECU28 starts engine by starting the starter of engine.
As described above, in the present embodiment, started by engine and start to operate, even if IG power supplys 27 are ON, but only
Want clamping screw 8 to be not at unlocked position, the electrical path for being connected to motor drive circuit 21 (motor 14) would not be cut off
23, therefore, even if IG power supplys 27 are ON state, also action can be unlocked by operating electric steering lock apparatus 1
(clamping screw 8 is moved to unlocked position).Therefore, can prepare engine while operating electric steering lock apparatus 1 to rise
It is dynamic, thus can shorten operated since starting engine (pressing operation of engine start stop switch) to engine start when
Between, so as to improve the convenience of user.
Also, in the present embodiment, even in the first judging part 26a output conductings (ON) of power switching unit 24
In the state of (when output 1 is " 1 "), also cutting for switch portion 25 can be switched by the power control signal from micro computer 20
Disconnected/conducting state, for example, even if after stopping engine, clamping screw 8 is located at (IG power supplys 27 in the case of locked position：OFF,
Solution lock sensor (2) 19 be OFF (" NOT LOCK ")) (output 1 from the judging part of numbering 1 to the first 26a of table 1 is " 1 "), general
Power control signal from micro computer 20 is set to OFF (" 0 "), then as shown in the numbering 7 of table 2, from the second judging part 26a's
Output 2 is changed into " 0 ", and switch portion 25 can be switched to dissengaged positions, and can effectively prevent motor 14 in vehicle stopping
Failure.
In addition, in the present embodiment, clamping screw 8 is moving between locked position to unlocked position, if unblock passes
Sensor (2) 19 detects the unlocked position of clamping screw 8, then is connected to motor drive circuit by the cut-out of power switching unit 24
After the electrical path 23 of 21 (motor 14), forbid the movement of clamping screw 8, therefore, it is possible to effectively prevent from travelling in vehicle
In due to the problem of failure of steering wheel makes the rotation of steering wheel become locking state accidentally.
(2) locking action
Secondly, the action of electric steering lock apparatus 1 is illustrated below based on Fig. 1 and Fig. 2 and Fig. 6.Wherein, Fig. 6 is electricity
Dynamic steering lock apparatus (is expressed as the time diagram during locking action of " ESCL " in figure 6.
As shown in Fig. 2 when engine (not shown) is in operating state, the clamping screw 8 of locking member 6 is located at lower limit
Unlocked position, the upper end is embedded in the clamping screw patchhole 3d of cabinet 3, and does not snap into steering spindle (not shown).
Under the state, the rotation of steering spindle can be carried out, rotation process steering wheel (not shown) is free in the released state.
At this moment, as shown in Fig. 2 two solution lock sensors (1) 18 for being configured at the unlocked position of printed base plate 16 conciliate lock sensor (2)
19 detect to be located at the magnetic force of locking member 6 (arm 7A) magnetite 11, and therefore, micro computer 20 judges clamping screw 8 positioned at unblock
Position.
Below, illustrate start in halted state engine when locking action the step of.Wherein, shown in Fig. 6 1)
~11) symbol and numbering 1 shown below)~11) corresponding.
1) user (driver) carries out pressing operation (OFF operations) for engine start stop switch (not shown).
If 2) upper ECU28 detect it is above-mentioned 1), close (OFF) IG power supplys and simultaneously stop engine.
3) if upper ECU28 exports micro computer power control signal (power source ON signal) to 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 communicating I/F29 by command signal is locked.
5) micro computer 20 sends power control signal (ON) to switch portion 25.At this moment, IG power supplys 27 are OFF " 0 ", and are solved
Lock sensor (2) 19 is ON (UNLOCK "：" 1 "), therefore, the output 1 from the first judging part 26a is just changed into the numbering from table 1
2 to " 1 ".
In addition, the power control signal from micro computer 20 is ON (" 1 "), therefore, from the numbering 8 of table 2 to from second
Judging part 26b output 2 just turns into " 1 ", and switch portion 25 is changed into conducting state from dissengaged positions, supplies power supply from battery supply 22
To motor drive circuit 21 (motor 14).I.e., in the present embodiment, the second judging part 26b only judges from first
The 26a in portion output 1 is " 1：ON ", and power control signal is " 1：During ON ", switch portion 25 is switched into conducting state.
6) micro computer 20 operates motor 14 to locking position by after locking action signal output to motor drive circuit 21
Put, and clamping screw 8 is moved to locking side.
In other words, if in locking side operation motor 14, the output shaft 14a of motor 14 is reversed, and the rotation passes through snail
Bar 15 and worm gear 12a are conveyed to geared parts 12, and screwdriver 7 moves up, and so that the geared parts 12 reverse, pass through a bodily form
Into the arm 7A and pin 9 in the screwdriver 7, the clamping screw 8 for being connected to screwdriver 7 moves up.As a result, as shown in figure 1, lock
The upper end of tight bolt 8 protrudes from the recess 3a of cabinet 3, and is sticked in steering spindle (not shown), and therefore, the rotation of steering spindle becomes
For the locking state being locked, vehicle is stolen during so as to prevent parking.But clamping screw 8 can not snap into well
During the slot of steering spindle, within the scope of pin 9 can be relatively moved in the elongated hole 8a for be formed at the clamping screw 8, locking
Bolt 8 overcomes the active force of spring 10 to move down, and therefore, will not apply excessive load to clamping screw 8
7) locking side is moved to by clamping screw 8, solution lock sensor (1) 18 is conciliate lock sensor (2) 19 and switched to
" NOT LOCK ", lock sensor 17 switch to " LOCK ".
8) after micro computer 20 stops output to the locking action signal of motor drive circuit 21, motor 14 is stopped.
9) micro computer 20 sends locking action end signal to upper ECU28.
10) micro computer 20 stops the output of the power control signal for switch portion 25, cuts off from battery supply 22 and supplies
To the power supply of motor drive circuit 21 (motor 14).
11) upper ECU28 stop to micro computer power circuit 31 export micro computer power control signal, and cut off from
Battery supply 22 is supplied to the power supply of micro computer 20.
Secondly, illustrated for the variation of the present invention.
In the above-described embodiment, it is based on although the second judging part 26b of dump judging part 26 is used from the
One judging part 26a output 1 and the power control signal from micro computer 20 switch cut-out/conducting state of switch portion 25
Structure, but can also be as shown in fig. 7, power control signal of the substitution from micro computer 20, passes through the electricity from upper ECU28
Source control signal switches cut-out/conducting state of switch portion 25.
According to above-mentioned structure, in the state of the first judging part 26a exports conducting (ON), also can by from
Upper ECU28 power control signal switches cut-out/conducting state of switch portion 25, for example, even if stop engine, and lock
Tight bolt 8 is located at locked position (IG power supplys 27：OFF, solve lock sensor (2) 19：OFF (" NOT UNLOCK "), as long as will come from
ECU28 power control signal is set to OFF, it becomes possible to switch portion 25 is switched into dissengaged positions, therefore, it is possible to play effectively
Prevent the effect of the failure of motor 14 in vehicle stopping.
In addition, in the above-described embodiment, dump is constituted by the first judging part 26a and the second judging part 26b
Judging part 26, still, as shown in figure 8, omitting the second judging part 26b, only sentenced by the first judging part 26a to form dump
Disconnected portion 26, and the first judging part 26a, be ON only in IG power supplys 27, and when solution lock sensor (2) 19 is ON (" UNLOCK "),
If there can be the function that switch portion 25 is switched to dissengaged positions, effect same as described above just can be obtained.
However, in the present embodiment, engine and control electric steering lock apparatus are started by a upper ECU28
1 (power supply of micro computer 20, to locking/unlocking command of micro computer 20), but it is also possible to pass through other upper ECU
To be acted respectively.Also, upper ECU28 can also have other functions, for example, intelligent ECU, by possessing with user
Electron key between enter row data communication, so as to being locked a door for auto lock/solution；Engine ECU, carry out the driving of engine
With control；Power supply ECU, carry out the power supply of vehicle；Body Control ECU, integrated control are loaded into the various electricity of vehicle
Subassembly.
In addition, in the present embodiment, although switch portion 25 is located between battery supply 22 and motor drive circuit 21
Electrical path 23 on, but be not limited to that this, for example, it is also possible to be located between motor drive circuit 21 and motor 14
On electrical path, or on the electrical path that can also be located between motor drive circuit 21 and GND.
Further, in the present embodiment, although being configured to operate lock by being used as the motor 14 of electric cylinder
Tight bolt 8, still, for example, it is also possible to by operating clamping screw 8 by 22 powered solenoid of battery supply etc..
Reference
1 electric steering lock apparatus
2 housings
The locking member incorporating section of 2A housings
The substrate reception portion of 2B housings
3 cabinets
The recess of 3a cabinets
The connector disposed portion of 3b cabinets
The pin-and-hole of 3c cabinets
The clamping screw patchhole of 3d cabinets
The slot of 3e cabinets
The bearing recess of 3f cabinets
4 covers
The pin fixed part of 4A covers
The gland portion of 4B covers
The gear holding cylinder portion of 4C covers
The pin insertion hole of 4a covers
The spring base of 4b covers
5 pins
6 locking members
7 screwdrivers
The arm of 7A screwdrivers
The rotation retainer of 7B screwdrivers
The external thread part of 7a screwdrivers
The pin insertion hole of 7b screwdrivers
The dividing plate of 7c screwdrivers
The magnetite incorporating section of 7d arms
8 clamping screws
The elongated hole of 8a clamping screws
9 pins
10 springs
11 magnetites
12 geared parts
12a worm gears
The internal thread part of 12b geared parts
13 springs
14 motor (electric cylinder)
The output shaft of 14a motor
15 worm screws
16 printed base plates
17 lock sensors
18 solution lock sensors (1)
19 solution lock sensors (2)
20 micro computers (control unit)
21 motor drive circuits
22 battery supplies
23 electrical paths
24 power switching units
25 switch portions
26 dump judging parts
The judging parts of 26a first
The judging parts of 26b second
27 priming supplies (IG power supplys)
27a IG power switches portion
28 upper ECU
29 communication interfaces (communication I/F)
30 power circuits
31 micro computer power circuits
Claims (2)
1. a kind of electric steering lock apparatus, including：
Clamping screw, it can be moved being sticked in the locked position of steering spindle of vehicle with releasing between the unlocked position that this engages
It is dynamic；
Electric cylinder, operate the clamping screw；
Control unit, control the action of the electric cylinder；
Power switching unit, cut-out/conducting are connected to the electrical path of the electric cylinder；
Clamping screw position detection unit, the operating position of the clamping screw is detected,
The electric steering lock apparatus is characterised by, wherein,
The power switching unit includes：
Switch portion, it is located on the electrical path；
First judging part, according to priming supply and the input value from the clamping screw position detection unit is come described in switching
Cut-out/conducting state of switch portion,
First judging part is ON only in the priming supply, and the clamping screw position detection unit detects the lock
During the unlocked position of tight bolt, there is the function that the switch portion is switched to dissengaged positions,
The power switching unit also includes：
Second judging part, according to the output valve from first judging part and the power control signal from the control unit come
Switch cut-out/conducting state of the switch portion,
Second judging part is conducting (ON) only in the output valve of first judging part, and the power control signal is conducting
(ON) when, there is the function that the switch portion is switched to conducting state.
2. a kind of electric steering lock apparatus, including：
Clamping screw, it can be moved being sticked in the locked position of steering spindle of vehicle with releasing between the unlocked position that this engages
It is dynamic；
Electric cylinder, operate the clamping screw；
Control unit, control the action of the electric cylinder；
Power switching unit, cut-out/conducting are connected to the electrical path of the electric cylinder；
Clamping screw position detection unit, the operating position of the clamping screw is detected,
The electric steering lock apparatus is characterised by, wherein,
The power switching unit includes：
Switch portion, it is located on the electrical path；
First judging part, according to priming supply and the input value from the clamping screw position detection unit is come described in switching
Cut-out/conducting state of switch portion,
First judging part is ON only in the priming supply, and the clamping screw position detection unit detects the lock
During the unlocked position of tight bolt, there is the function that the switch portion is switched to dissengaged positions,
The control unit, communicated between upper ECU (electronic control unit), and engine start and stop are opened according to user
The operation of pass asks the locking command signal of locking action or the solution of request unlocking motion to receive from the upper ECU
Lock command signal,
The power switching unit also includes：
Second judging part, according to the output valve from first judging part and the power control signal from the upper ECU
To switch cut-out/conducting state of the switch portion,
Second judging part is conducting (NO) only in the output valve of first judging part, and the power control signal is conducting
(ON) when, there is the function that the 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 CN104097608A (en) | 2014-10-15 |
| CN104097608B true 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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633368A (en) * | 2008-07-24 | 2010-01-27 | 株式会社有信 | Motor-driven steering lock apparatus |
| CN102910144A (en) * | 2011-07-15 | 2013-02-06 | 株式会社有信 | Electric steering lock device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3623668B2 (en) * | 1998-09-25 | 2005-02-23 | 株式会社東海理化電機製作所 | Electric steering lock device |
| JP4658406B2 (en) * | 2001-08-24 | 2011-03-23 | 株式会社東海理化電機製作所 | Electronic vehicle anti-theft device |
| JP4279701B2 (en) * | 2004-02-05 | 2009-06-17 | 株式会社東海理化電機製作所 | Steering lock device |
| JP5511052B2 (en) * | 2009-11-26 | 2014-06-04 | 株式会社ユーシン | Electric steering lock device |
| 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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633368A (en) * | 2008-07-24 | 2010-01-27 | 株式会社有信 | Motor-driven steering lock apparatus |
| 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 |
|---|---|
| CN104097608A (en) | 2014-10-15 |
| DE102014004647B4 (en) | 2021-12-09 |
| JP6109624B2 (en) | 2017-04-05 |
| DE102014004647A1 (en) | 2014-10-02 |
| JP2014201128A (en) | 2014-10-27 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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Granted publication date: 20171219 |