CN104670152B - Electric steering-lock device - Google Patents
Electric steering-lock device Download PDFInfo
- Publication number
- CN104670152B CN104670152B CN201410692505.9A CN201410692505A CN104670152B CN 104670152 B CN104670152 B CN 104670152B CN 201410692505 A CN201410692505 A CN 201410692505A CN 104670152 B CN104670152 B CN 104670152B
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- Prior art keywords
- relay
- control
- power supply
- state
- limitation
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- 238000001514 detection method Methods 0.000 claims abstract description 35
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 6
- 238000005259 measurement Methods 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 19
- 238000010891 electric arc Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 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
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012546 transfer Methods 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
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
A kind of electric steering-lock device that can remove the foreign matter for being piled up in power supply limitation relay.Power supply is set to limit relay at the position of the ratio motor driving control section upstream side of the motor power feed path towards motor driving control section,The conduction detection portion being detected to the conducting state of power supply limitation relay is arranged between power supply limitation relay and motor driving control section,When will unlock control relay and locking control relay is connected under the contacts status of ground side when supplying power to the limitation switching-on state of relay,In the case of the conducting state for not detecting power supply limitation relay in conduction detection portion,Microcomputer carries out relay switching control,In the relay switching control,Supply power to limitation relay and switch to dissengaged positions,And in the state of the contacts status of any one party in dual lock/locking control relay switches over,Supply power to the limitation switching-on state of relay.
Description
Technical field
The present invention relates to it is a kind of in vehicle parking for by electronic mode by the electric rotating of the spin locking of steering wheel
To locking device.
Background technology
In recent years, some vehicles in order to prevent be stolen and be provided with electric steering-lock device, for stop when with electricity
Flowing mode is locked the rotation of steering wheel.The electric steering-lock device includes：Locking bolt, the locking bolt can with
The latched position of the steering spindle engaging of vehicle is moved between the lockset position of coupler that this engages with releasing；Motor, the motor
Driving mechanism is set to work, which move above-mentioned locking bolt；Motor driving control section, the motor drive control
Portion has according to the first control formed with making the rotating set direction of above-mentioned motor towards the supply path of the motor
Relay processed and the second control relay；Power supply limits relay, and power supply limitation relay can be in conducting state
Switched between dissengaged positions, wherein above-mentioned conducting state is to instigate the power supply for stating motor driving control section upward
The state of conducting, above-mentioned dissengaged positions are the states for instigating the power supply cut-out for stating motor driving control section upward；And
Control element, the control element is to the first control relay of above-mentioned motor driving control section and touching for the second control relay
Dotted state switches over.
In above-mentioned electric steering-lock device, when vehicle immobilization and driver under engine behavior by engine
When starting switch disconnects, detecting the upper bit location of the electric steering-lock device of this case just makes engine stop, and
Confirm that sending locking to electric steering-lock device on the premise of safety requires.So, when receiving the locking requirement
When, the control element of electric steering-lock device just controls motor driving control section so that motor to be driven towards defined direction
And make its rotation, and make locking bolt towards latched position movement by using the motor, make the locking bolt and steering spindle card
Close, so that the rotation to steering wheel locks.
On the other hand, when vehicle immobilization and driver under an engine stop condition connects engine start switch
During operation, detect that the upper bit location of this case just sends unlocking to electric steering-lock device and requires.So, when connecing
When receiving the unlocking and requiring, the control element of electric steering-lock device just controls motor driving control section electronic to drive
Machine, and by using the motor make locking bolt towards lockset position of coupler it is mobile, release engaging of the locking bolt with steering spindle, with
The lock-out state of steering wheel is released, so as to carry out steering operation.
In above-mentioned electric steering-lock device, limitation relay is supplied power in vehicle enforcement and is switched to cut-out shape
State, makes locking bolt towards the situation that latched position direction is mobile and engages with steering spindle to avoid in being exercised in vehicle because mistaking.
However, relay and the second control relay is controlled mechanically to switch arranged on the first of motor driving control section
Moving contact, therefore, can produce following unfavorable condition：Even if above-mentioned control relay has carried out switching action, tactile because being piled up in
The foreign matter in point portion hinders conducting, can not be powered towards motor and cause Lenkradschlossvorrichtung to work.
Therefore, in documents 1, it is proposed that following electric steering-lock device：Setting will be towards the first control relay
And second control relay the driving limiting unit that is switched off or on of power supply, the driving limiting unit cut off towards control after
Control relay is connected to high-voltage side under the dissengaged positions of the power supply of electric appliance, afterwards, driving limiting unit is switched to
Conducting state and towards control relay supply electric power, and according to the direction of rotation of motor to the first control relay and the second control
The contacts status of any one party in relay processed switches over, and electric arc is produced in the control relay, is piled up in removing
The foreign matter of the control relay.
Prior art literature
Patent document
Patent document 1：Japanese Patent Laid-Open 2012-192873 publications
However, in the electric steering-lock device that patent document 1 proposes, driving limiting unit is arranged on to drive towards motor and controls
The ratio motor driving control section of the supply path in portion processed farther downstream side (relative to power supply direction downstream) position, because
This, it is different when being accumulated in the driving limiting unit in the case of driving limiting unit identical with control relay being made of relay
During thing, it is impossible to towards the control relay supply electric power of motor driving control section.Therefore, even if implementing foreign matter to control relay
Countermeasure is removed, countermeasure is removed due to not implementing foreign matter to the relay for driving limiting unit, locking bolt cannot be made by also producing
The problem of being moved to latched position or such lockset position of coupler.
The content of the invention
The present invention makees in view of the above problems, and power supply limitation relay can will be piled up in its purpose is to provide a kind of
The electric steering-lock device that removes of foreign matter, above-mentioned power supply limitation relay is by towards the electric power of motor driving control section
Supply conducting/cut-out.
To achieve these goals, the invention that technical solution one is recorded includes：Locking bolt, the locking bolt can with car
The latched position of steering spindle engaging moved with releasing between the lockset position of coupler that this engages；Motor, the motor make
Driving mechanism works, which move above-mentioned locking bolt；Motor driving control section, the motor driving control section
With according to formed with making the rotating set direction of above-mentioned motor the first control of the supply path for stating motor upward after
Electric appliance and the second control relay；Power supply limits relay, and power supply limitation relay can be in conducting state with cutting
Switched between disconnected state, wherein above-mentioned conducting state is to instigate the power supply conducting for stating motor driving control section upward
State, above-mentioned dissengaged positions be instigate state upward motor driving control section power supply cut-out state；And control
Element, the control element control the first of above-mentioned motor driving control section the contact shape of relay and the second control relay
State switches over, and above-mentioned electric steering-lock device is characterized in, in the supply path towards above-mentioned motor driving control section
Position than above-mentioned motor driving control section upstream side sets above-mentioned power supply limitation relay, and will be to above-mentioned electricity
The conduction detection portion that is detected of conducting state of power supply limitation relay be arranged on above-mentioned power supply limitation relay with it is upper
Between stating motor driving control section, when by above-mentioned first control relay and it is above-mentioned second control relay be connected to ground connection
Under the contacts status of side during state that above-mentioned power supply limitation relay is switching-on, do not detected in above-mentioned conduction detection portion
In the case of the conducting state for going out above-mentioned power supply limitation relay, above-mentioned control element carries out relay switching control,
In the relay switching control, above-mentioned power supply limitation relay is switched into dissengaged positions, and above-mentioned electronic according to making
The rotating direction of machine to above-mentioned first control relay and it is above-mentioned second control relay in any one party contacts status into
In the state of row switching, above-mentioned power supply is limited into the switching-on state of relay.
Technical solution two record invention be technical solution one record invention on the basis of, it is characterized in that, above-mentioned control
Element processed includes the number measuring cell counted to the execution number of above-mentioned relay switching control, is measured by the number
The time point that the execution number that component count obtains reaches stipulated number terminates above-mentioned relay switching control.
Technical solution three record invention be technical solution one record invention on the basis of, it is characterized in that, above-mentioned control
Element processed includes the time measurement element counted to the elapsed time since performing of above-mentioned relay switching control,
Above-mentioned relay switching control is performed repeatedly, until reaching the stipulated time by the time that above-mentioned time measurement component count obtains and being
Only.
The invention that technical solution four is recorded is that it is special on the basis of the invention of technical solution two or the record of technical solution three
Sign is that above-mentioned control element detects the conducting state of above-mentioned power supply limitation relay as bar using above-mentioned conduction detection portion
Part, maintains when above-mentioned relay switching control performs by the above-mentioned first control relay and above-mentioned second control relay
In the state of contacts status, it is moved to the unlocking driving of lockset position of coupler into the above-mentioned locking bolt of enforcement or moves above-mentioned locking bolt
Move to the locking driving of latched position.
The invention recorded according to technical solution one, relay and the electricity in downstream are limited in the power supply arranged on upstream side
Conduction detection portion between motivation drive control part does not detect that the conducting state of power supply limitation relay (detects electric power
The exception of supply limitation relay) in the case of, relay switching control is carried out, by limiting consolidating for relay in power supply
Potential difference drastically is produced between fixed contact and moving contact to produce electric arc, can will be piled up in fixed contact, moving contact
Foreign matter (deposit, oxide scale film) removes, accordingly, it is capable to make power supply limitation relay reset electronic to realize to normal condition
The action of the stabilization of Lenkradschlossvorrichtung.
The invention recorded according to technical solution two, is not detecting the conducting state (detection of power supply limitation relay
Go out the exception of power supply limitation relay) in the case of, can be effectively by the way that relay switching control is carried out stipulated number
Removal is piled up in fixed contact, the foreign matter of moving contact.
The invention recorded according to technical solution three, is not detecting the conducting state (detection of power supply limitation relay
Go out the exception of power supply limitation relay) in the case of, by relay switching control being repeated a number of times until passing through
Untill stipulated time, it can effectively remove and be piled up in fixed contact, the foreign matter of moving contact.
The invention recorded according to technical solution four, when conduction detection portion detects electric power in relay switching control execution
During conducting state (the restoring to normal condition) of supply limitation relay, terminate relay switching control, unlock like this
Driving or locking driving, accordingly, it is capable to shorten the time untill above-mentioned unlocking driving or locking driving are completed.
Brief description of the drawings
Fig. 1 is the sectional side elevation for the lock-out state for representing the electric steering-lock device of the present invention.
Fig. 2 is the sectional side elevation for the unlocking condition for representing the electric steering-lock device of the present invention.
Fig. 3 is the exploded perspective view of the electric steering-lock device of the present invention.
Fig. 4 is the system construction drawing of the electric steering-lock device of the present invention.
Fig. 5 (a) is the figure for representing contacts status of the relay in unlocking action, and Fig. 5 (b) is to represent that relay is locking
The figure of contacts status during action.
Fig. 6 is the flow chart for representing processing step of the electric steering-lock device in unlocking action of the present invention.
Fig. 7 is the sequence diagram of the unlocking action of the electric steering-lock device of the present invention.
Symbol description
1 electric steering-lock device
2 shells
3 housings
4 lids
5 pins
6 locking components
7 drivers
8 locking bolts
9 pins
10 springs
11 magnets
12 gear parts
13 springs
14 motor
15 worm screws
16 printed base plates
17 locking sensors
18 unlocking sensors
19 microcomputers (control element)
21 telecommunication circuits
22 motor driving control sections
23 batteries
24 motor power feed paths
25, which unlock, controls relay (the first control relay)
26 locking control relays (the second control relay)
27 unlocking relay drive circuits
28 lock-up relay drive circuits
29 number measuring cells
30 time measurement elements
31 ESL power supply feed paths
32 ESL power-supply circuits
33 constant-voltage circuits
34 reset circuits
35 power supply limit relay
36 conduction detection portions
37 power supply limit relay drive circuit
Embodiment
Hereinafter, embodiments of the present invention are illustrated with reference to the accompanying drawings.
(structure of electric steering-lock device)
Fig. 1 is the sectional side elevation for the lock-out state for representing the electric steering-lock device of the present invention, and Fig. 2 is to represent above-mentioned electronic
The sectional side elevation of the unlocking condition of Lenkradschlossvorrichtung, Fig. 3 are the exploded perspective views of above-mentioned electric steering-lock device.
The electric steering-lock device 1 of the present invention is to steering spindle (steering wheel (not shown) by electronic mode
(steering wheel)) the rotation component that is locked, unlocked, its shell 2 is made of housing 3 and metal lid 4, its
In, above-mentioned housing 3 is formed by the metal (such as magnesium alloy) of nonmagnetic material, and above-mentioned lid 4 covers the lower surface opening of above-mentioned housing 3
Portion.
Above-mentioned housing 3 is configured to rectangular box, at an upper portion thereof the recess 3a formed with arc-shaped, embedded in recess 3a
There is column tube (not shown), which is fixed on housing 3 using the arc-shaped stent (not shown) for being incorporated into housing 3.In addition,
Although not shown, but in above-mentioned steering spindle insert column tube, combine steering wheel in the upper end of the steering spindle, the lower end of steering spindle with
Form the steering box connection of steering.Also, if driver implements rotation process to steering wheel, it is rotated will be through
Steering box is delivered to by steering spindle, helmsman (not shown) is driven, and is made pair of right and left front-wheel steer and is realized institute
The steering needed.
In addition, as shown in figure 3, the sidepiece in housing 3 is provided with the connector configuration section 3b of rectangle, formed with the connector
The circular hole pin hole 3c being pressed on other three sides beyond the side of configuration section 3b formed with supply and marketing 5 (only shows two in Fig. 3
It is a).
On the other hand, above-mentioned lid 4 is configured to rectangular flat plate, its inner surface (above) on integratedly erect three blocks
Pin fixed part 4A, the three columned cover press section 4B of shape and the gear of bottomed tube keep canister portion 4C.Herein, three pins
Fixed part 4A is formed in the position with the position correspondence of the above-mentioned pin hole 3c of housing 3, and on these pin fixed parts 4A formed with
For the pin jack 4a (one is only shown in Fig. 3) of the circular hole of above-mentioned pin 5 press-in.
In addition, as shown in Figures 1 and 2, by lid 4 to be embedded in shell in a manner of the lower surface opening portion for covering housing 3 from below
The bottom inner circumferential of body 3, and the pin 5 for three above-mentioned pin hole 3c (with reference to Fig. 3) that the sidepiece inserted in housing 3 is formed is pressed into
The pin jack 4a formed on three pin fixed part 4A of the lid 4 is erected on, thus, lid 4 is fixed on housing 3.
And as shown in Figures 1 and 2, locking component incorporating section 2A and substrate reception portion 2B is formd on shell 2, is being locked
Locking component 6 is stored in the 2A of component incorporating section.The locking component 6 is by substantially cylindric driver 7 and flat locking spiral shell
Bolt 8 is formed, wherein, be carved with outer screw section 7a in the bottom periphery of above-mentioned driver 7, above-mentioned locking bolt 8 with can on move down
Dynamic mode is accommodated in above-mentioned driver 7.Herein, form in the longer slot hole 8a of above-below direction, use in locking bolt 8
Locking bolt 8 is connected by the pin 9 for laterally inserting slot hole 8a with driver 7.Kept in addition, pin 9 is inserted by press mode
Driver 7 is disposed through in the horizontal in pin inserting hole 7b, pin inserting hole 7b.
In addition, above-mentioned locking bolt 8 is entrenched in the locking bolt for the rectangle for being formed at housing 3 in a manner of it can move up and down
In inserting hole 3d, and it is installed on by compression the spring 10 between the locking bolt 8 and driver 7 (locking direction) is applied upward all the time
Power, in general, the lower part for the slot hole 8a for passing through locking bolt 8 engage with pin 9 make the locking bolt 8 together with driver 7 up and down
It is mobile.
In addition, horizontal-extending conduct holding section is integrally formed at the opposite position of the upper periphery of driver 7
Arm 7A and above-below direction longer rotation prevention portion 7B, arm 7A is accommodated in a manner of it can move up and down in shell 2 (housing 3), only
Transfer part 7B is engaged to prevent driver 7 from rotating with being formed at the slot 3e of housing 3.Also, formd in the front end of arm 7A
The magnet incorporating section 7d of rectangular cross section, is accommodated with the magnet 11 of quadrangular shape in the 7d of the magnet incorporating section by press mode
(magnet).
In addition, as shown in Figures 1 and 2, in the above-mentioned locking component incorporating section 2A being formed in shell 2 with revolvable side
Formula is accommodated with the gear part 12 of cylindrical shape, and the lower, outer perimeter of the gear part 12 is erected on the inner surface (upper surface) of lid 4
Said gear keep canister portion 4C be kept into and can rotate.In addition, the gear part 12 lower, outer perimeter formed with worm gear 12a,
The gear part 12 inner circumferential formed with female threaded portion 12b.
In lower part of the inside of said gear component 12 inserted with above-mentioned driver 7, it is formed at outside the lower part of the driver 7
The above-mentioned female threaded portion 12b of inner circumferentials of the above-mentioned outer screw section 7a in week with being formed at gear part 12 is engaged.In addition, it is being erected on
The gear of lid 4 keeps compressing installation between the next door 7c of columned the spring-loaded portion 4b and driver 7 of canister portion 4C central parts
There is spring 13, locking component 6 (driver 7 and locking bolt 8) is exerted a force upward all the time by spring 13.
In addition, as shown in Figures 1 and 2, received in the above-mentioned locking component incorporating section 2A for be formed at shell 2 with horizontal state
Motor 14 is contain, the worm screw 15 of path is formd on the output shaft 14a of the motor 14.Moreover, the worm screw 15 with tooth
Take turns the above-mentioned worm gear 12a engagements formed on the periphery of component 12.Herein, worm screw 15 and worm gear 12a are formed the defeated of motor 14
The rotary force of shaft 14a is changed into the driving mechanism of the advance and retreat power of locking component 6.
On the other hand, as shown in Figures 1 and 2, printed base plate is stored in the aforesaid substrate incorporating section 2B for being formed at shell 2
16, the printed base plate 16 in a manner of its inner surface is parallel with the operative orientation of locking component 6 it is vertical erect in the state of quilt
Storage.Also, the position corresponding with latched position and lockset position of coupler above and below the inner surface of the printed base plate 16 is set respectively
The detection device that is magnetic i.e. locking sensor 17 and unlocking sensor 18, utilize these locking sensors 17 and unlocking sensor 18
The position (locking/lockset position of coupler) of locking component 6 (locking bolt 8) is detected respectively as described later.
(system structure of electric steering-lock device)
Then, the system structure of the electric steering-lock device 1 of the present invention is illustrated below based on Fig. 4.
Fig. 4 is the system construction drawing of electric steering-lock device, as shown in figure 4, above-mentioned locking sensor 17 and biography of unlocking
Sensor 18 is electrically connected with being driven the control element i.e. microcomputer (hereinafter referred to as " microcomputer ") 19 of control to motor 14
Connect, microcomputer 19 is electrically connected via telecommunication circuit 21 with being loaded into the upper bit location 20 of vehicle.In addition, upper bit location 20 with by driving
The engine start switch (not shown) of member's operation is electrically connected, and the signal from the engine start switch is input to upper list
Member 20.
In addition, electric steering-lock device (being shown as in Fig. 4 " ESL ") includes motor driving control section 22.Herein, it is electric
Motivation drive control part 22 supplied from battery (power supply+B) 23 via motor power feed path 24 to motor 14
The polarity switching of driving current and cut-out, with to above-mentioned locking component 6 (locking bolt 8) motor 14 effect under movement into
Row control, being equipped with basis in the motor driving control section 22 makes 14 rotating direction of motor (locking direction or unlocking direction)
It is formed selectively towards the unlocking control relay (the first control relay) 25 of the supply path of the motor 14 and locking control
Relay (the second control relay) 26 processed.
In addition, above-mentioned microcomputer 19 to above-mentioned motor driving control section 22 unlocking control relay 25 and locking control after
The contacts status of electric appliance 26 switches over, and " unlocks and wants when receiving from above-mentioned upper bit location 20 via what telecommunication circuit 21 was sent
Seek signal " or when " locking requires signal ", by defeated towards unlocking relay drive circuit 27 or lock-up relay drive circuit 28
Go out " unlocking drive signal " or " locking drive signal ", electricity is driven to these unlocking relay drive circuits 27 or lock-up relay
Road 28 is driven control, to control above-mentioned unlocking relay 25 or the contacts status of locking control relay 26 to cut
Change.In addition, above-mentioned locking sensor 17 and unlocking sensor 18 are electrically connected with the input side of microcomputer 19.In addition, in microcomputer 19
Number measuring cell 29 and time measurement element 30 are built-in with, wherein, above-mentioned number measuring cell 29 is to performing aftermentioned relay
The number of switching control is counted, and above-mentioned time measurement element 30 measures the time for performing relay switching control.
On the other hand, ESL power supplys are equipped with the ESL power supplys feed path 31 for leading to microcomputer 19 from above-mentioned battery 23 to supply
Circuit 32 and constant-voltage circuit 33, when being exported from upper bit location 20 towards ESL power-supply circuits 32, " supply of ESL power supplys is permitted
During signal ", ESL power-supply circuits 32 are towards 33 supply electric power of constant-voltage circuit.So, constant-voltage circuit 33 just will
The ESL power supplys of 5V are supplied to microcomputer 19 to drive the microcomputer 19.In addition, in Fig. 4, symbol 34 is reset circuit.
However, in the electric steering-lock device 1 of the present invention, above-mentioned motor driving control is reached from above-mentioned battery 23
The position of the 22 upstream side of ratio motor driving control section of the motor power feed path 24 in portion 22 processed is supplied equipped with electric power
Give limitation relay 35.It is equipped with addition, being limited in the power supply between relay 35 and above-mentioned motor driving control section 22
The conduction detection portion 36 being detected to the conducting state of power supply limitation relay 35.
Above-mentioned power supply limitation relay 35, which as shown in Figure 4 switches to moving contact in vehicle enforcement, disconnects side
(NC(Normal Close：It is normally closed) side) with shut off the power supply of motor driving control section 22 supply, play prevention because
Vehicle is mistaken in exercising makes locking component 6 towards the function that latched position direction is mobile and makes locking bolt 8 engage with steering spindle.Separately
Outside, when exporting " power supply enabling signal " towards power supply limitation relay drive circuit 37 from microcomputer 19, power supply
The moving contact that limitation relay drive circuit 37 supplies power to limitation relay 35 switches to connection side (NO (Normal
Open：It is normally opened) side) to allow from battery 23 towards 22 supply electric power of motor driving control section.
(action of electric steering-lock device)
Then, according to actions of Fig. 5~Fig. 7 to the electric steering-lock device 1 using above structure, (locking/unlocking is moved
Make) illustrate.In addition, Fig. 5 (a) is the figure of the contacts status of relay when representing unlocking action, Fig. 5 (b) is to represent out
The figure of the contacts status of relay when lock acts, Fig. 6 is the flow chart of processing step when representing unlocking action, and Fig. 7 is out
The sequence diagram of lock action.
1) unlocking action：
(a) in relay switching control in the case of power supply limitation relay normal restoration：
In the following description, the processing shown in symbol (1)~(10) and the expression time point marked in the sequence diagram of Fig. 7
Symbol (1)~(10) it is corresponding.
In the state of engine stop (not shown), as shown in Figure 1, the locking bolt 8 of locking component 6 is located at the upper limit
Latched position, the upper end of the locking bolt 8 it is prominent from the locking bolt inserting hole 3d of housing 3 towards recess 3a and with it is (not shown)
Steering spindle engages.In this condition, the rotation of steering spindle is locked, in this locked condition, it is impossible to steering wheel (not shown)
Rotation process is carried out, thereby, prevents vehicle to be stolen.
When driver carries out making operation from above-mentioned state to engine start switch (not shown),
(1) bit location 20 exports " ESL power supplys supply enabling signal " towards ESL power-supply circuits 32 on, with from battery 23
Microcomputer 19 towards electric steering-lock device (ESL) 1 supplies power supply (step S1).
(2) 19 dual lock drive circuit 27 of microcomputer and locking drive circuit 28 are controlled, as shown in Figure 4 in the control that will unlock
The moving contact of relay 25 processed and locking control relay 26 is connected to the state (off-state) of ground connection (GND) side (NC sides)
Under, supply power to limitation 35 switching-on state (on-state) (step S2) of relay.
(3) under the conducting state (on-state) of power supply limitation relay 35, whether conduction detection portion 35 is examined
The conducting state for measuring power supply limitation relay 35 is judged (step S3).In addition, limit relay in power supply
35th, when unlocking control relay 25 and locking control relay 26 are respectively at normal condition, conduction detection portion 36 is according to following
Contact performance measurement goes out a certain signal in high signal, median signal, low level signal.
When power supply limitation relay 35, which is in, to be connected, no matter unlock control relay 25 and locking control relay
How is the contacts status of device 26, and conduction detection portion 26 all can detect that high signal.
When power supply limitation relay 35 is in disconnect and unlock control relay 25 and locking control relay 26
In when disconnecting, conduction detection portion 26 detects median signal.
When power supply limitation relay 35 is in disconnect and unlock control relay 25 and locking control relay 26
In one party be in connect, the opposing party be in disconnect when, conduction detection portion 36 detects low level signal.
In the case of detecting median signal (not detecting high signal) in conduction detection portion 36, it can determine whether to supply for electric power
To there may be exception in limitation relay 35.In addition, it is judged as because conduction detection portion 36 detects high signal
(step S3 in the case of can not possibly producing exception in power supply limitation relay 35："No"), perform aftermentioned driving (step of unlocking
Rapid S10).
(4) microcomputer 19 is controlled power supply limitation relay drive circuit 37 to supply power to limitation relay
35 moving contact connection (disconnection) to NC sides (disconnection side), so that the electric power of temporarily disconnected towards motor driving control section 22 supplies
Give signal (step S4).
(5) the unlocking control relay 25 of motor driving control section 22 is connected to NO sides, which is controlled relay
Device 25 is connected, and whether detects that low level signal is judged (step S6) to conduction detection portion 36.Examined in conduction detection portion 36
In the case of measuring low level signal, it is judged as unlocking control relay 25 normally, but produced in power supply limits relay 35
It is raw abnormal, so as to carry out following relay switching control (step S7).Herein, in as relay 35 is limited in power supply
The reason for abnormal is produced, it is contemplated that accumulation has foreign matter (deposit, oxide scale film etc.) in contact.
(6) in relay switching control, as shown in Fig. 5 (a), supplying power to limitation relay connection (will movably touch
Point is connected to NO sides), and electric arc is produced to remove foreign matter between the fixed contact of moving contact and NO sides.
(7) touched as described above by fixed contact of the relay switching control in power supply limitation relay 35 with movable
Electric arc is produced between point, high signal whether is detected to conduction detection portion 36, and (whether power supply limitation relay 35 restores
To normal condition) judged (step S8).(step S8 in the case of not detecting high signal in conduction detection portion 36：
"No"), it is determined as that power supply limitation relay 35 is not restored to normal condition, relay switching control is repeated.With this
Relatively, (step S8 in the case of detecting high signal in conduction detection portion 36："Yes"), it is determined as that power supply limits relay
Device 35 is restored to normal condition, performs aftermentioned driving (step S10) of unlocking.
(8) the execution number of relay switching control and execution time are to measure member by the number for being built in microcomputer 19 respectively
What part 29 and time measurement element 30 measured, before the execution number of relay switching control reaches stipulated number or hold
The row time reach the stipulated time before, in the case that conduction detection portion 36 detects high signal, be judged as that power supply limits
Relay 35 restores to normal condition and performs unlocking driving (step S10).For example, as shown in fig. 7, performing relay three times
At the time point of device switching control, examined because eliminating foreign matter from the contact of power supply limitation relay 35 by conduction detection portion 36
High signal is measured, in the case, is judged as that power supply limitation relay 35 restores to normal condition and terminates relay
Switching control, the control relay 25 that will unlock such as remains like this with power supply limitation relay 26 shown in Fig. 5 (a) to be connected
State, and perform unlocking driving (step S10).
Restored not making power supply limit relay 35 by primary relay switching control to the situation of normal condition
Under, relay switching control is repeated a number of times, whether rule are reached to the execution number that acquisition is counted by number measuring cell 29
Whether the execution time determined number or acquisition is counted by time measurement element 30 reaches the stipulated time and is judged (step S9).
Not up to stipulated time between in the case where the execution number of relay switching control is not up to stipulated number or upon execution
In the case of (step S9："No"), perform relay switching control (step S7).In addition, in the execution time of relay switching control
Number reaches stipulated number or performs time (step S9 when reaching the stipulated time："Yes"), terminate relay switching control.In addition,
Even if relay switching control be repeated stipulated number or before the stipulated time, power supply limitation relay 35 restore to
Normal condition, also can make relay switching control that stipulated number or stipulated time be repeated.That is, controlled even if switching in relay
Power supply limits relay reset to normal condition during system performs, and can also be not diverted into unlocking driving.In this case, under
When detecting that power supply limitation relay 35 is restored to normal condition in the processing of secondary above-mentioned (2), driving of unlocking is performed.
Herein, dual lock driving illustrates.
In driving of unlocking, supplied from battery 23 via motor power feed path 24 towards motor driving control section 22
Driving current be supplied to motor 14 via the path shown in arrow in Fig. 5 (a), therefore, start the motor 14, its
While being slowed down by worm screw 15 and worm gear 12a, an edge direction is transferred to gear part by 90 degree of conversion for the rotation of output shaft 14a
12, so that the gear part 12 rotates.Therefore, the driver 7 formed with outer screw section 7a overcome spring 13 active force and to
Lower movement, wherein, above-mentioned outer screw section 7a is screwed togather with carving the female threaded portion 12b of the inner circumferential arranged on gear part 12.When driver 7
When so moving down, the arm 7A being integrally formed with the driver 7 and the locking bolt 8 being connected using pin 9 with driver 7 are downward
It is mobile.
When the arm 7A of driver 7 as described above moves down, locking bolt 8 reaches the lockset position of coupler of lower limit as shown in Figure 2
When, the magnetic force of magnet 11 is unlocked sensor 18 and detects, power supply limitation relay 35 is switched to NC sides and becomes and cut
Disconnected state (off-state), to stop the power supply towards motor 14, so as to stop the driving of the motor 14.Such one
Come, the upper end of locking bolt 8 just retreats to the inside of the locking bolt inserting hole 3d of housing 3, and therefore, locking bolt 8 is with turning
Engaging to axis is released from.As a result, the locking of steering spindle is released from and becomes unlocking condition, driver being capable of implementing direction
The rotation process of disk, vehicle can travel.
In addition, confirming to make power supply control relay 35 to restore to normal condition by relay switching control
When, (power supply limitation relay 35 and unlocking control relay 25 and locking control relay 26 are not cut like this
Move work) perform the above unlocking driving, therefore, shorten unlock driving complete untill time.
2) lock out action：
In relay switching control in lock out action, abnormal situation is produced in power supply limits relay 35
Lower performed relay switching control is identical with relay switching control during unlocking action.That is, as shown in figure 4, ought incite somebody to action
Control relay 25 of unlocking is connected to above-mentioned electric power under the contacts status of ground side (disconnection side) with control relay 26 is locked
During supply limitation 35 switching-on state of relay, power supply limitation relay 35 is not detected in conduction detection portion 36
In the case of conducting state, the microcomputer 19 of electric steering-lock device 1 performs relay switching control.
In relay switching control in lock out action, supply power to limitation relay 35 and switch to dissengaged positions
(off-state), and controlled as shown in Fig. 5 (b) by the contact change-over for control relay 25 of unlocking to off-state, by locking
In the state of the contact change-over of relay 26 to on-state, supply power to limitation 35 switching-on state of relay and (connect
Logical state), electric arc is produced to remove foreign matter between the moving contact of power supply limitation relay 35 and fixed contact.
Herein, the locking driving in the case of being in normal condition to power supply limitation relay illustrates.
When locking drive condition and setting up, upper bit location 20 exports that " supply of ESL power supplys is permitted towards ESL power-supply circuits 32
Signal " is sent out with supplying power supply from battery 23 towards the microcomputer 19 of electric steering-lock device (ESL) 1 via telecommunication circuit 21
Send " locking requires signal ".So, microcomputer 19 just exports " locking drive signal " towards lock-up relay drive circuit 28, because
This, as shown in Fig. 5 (b), the operating contact for locking control relay 26 is switched to NO sides by lock-up relay drive circuit 28.Separately
Outside, at this time, unlocking controls the operating contact of relay 25 to be connected with NC sides (ground side).
So, the drive supplied from battery 23 via motor power feed path 24 towards motor driving control section 22
Streaming current is just supplied via the path shown in arrow in Fig. 5 (b) to motor 14, and therefore, motor 14, which is reversed, to be started, and
Reverse its output shaft 14a.So, the rotation of motor 14 is just delivered to gear part via worm screw 14 and worm gear 12a
12, which reverses, and therefore, driver 7 moves up, with the driver 7 be integrally formed arm 7A and using pin 9 with
The locking bolt 8 that driver 7 connects moves up.
In addition, the center of magnet 11 is set to reach near latched position when the arm 7A of driver 7 as described above is moved up
Detection range when, the magnetic force of the magnet 11 is locked sensor 17 and detects, power supply limitation relay 35 work touch
Point is switched to NC sides and becomes dissengaged positions (off-state), stops towards the power supply of motor 14 to stop the motor
14 driving.So, as shown in Figure 1, the upper end of locking bolt 8 it is just prominent from the recess 3a of housing 3 and with it is not shown
Steering spindle engaging, therefore as the locked lock-out state of the rotation of steering spindle, can prevent that vehicle is stolen during parking.Separately
Outside, in the case where locking bolt 8 can not engage towards steering spindle well, the energy in the slot hole 8a for be formed at the locking bolt 8
In the range of supply and marketing 9 relatively moves, locking bolt 8 overcomes the active force of spring 10 and moves down, therefore, will not be to locking spiral shell
Bolt 8 acts on excessive load.
As described above, in the electric steering-lock device 1 of the present invention, relay is limited in the power supply arranged on upstream side
Conduction detection portion 36 between device 35 and the motor driving control section 22 in downstream does not detect that power supply limits relay
In the case of 35 conducting state (exception for detecting power supply limitation relay 35), relay switching control is carried out, is led to
Cross and produce potential difference drastically between the fixed contact of power supply limitation relay 35 and moving contact to produce electric arc, energy
Will attach to fixed contact, moving contact foreign matter (deposit, oxide scale film) remove, accordingly, it is capable to make power supply limitation after
Electric appliance 35 is restored to normal condition to realize the action of the stabilization of electric steering-lock device 1.
In addition, (detect that power supply limits relay in the conducting state for not detecting power supply limitation relay 35
The exception of device 35) in the case of, by making relay switching control carry out stipulated number or stipulated time, can effectively remove attached
In the foreign matter of fixed contact, moving contact.
In addition, electric steering-lock device 1 according to the present invention, when the conduction detection portion in relay switching control execution
36 detect power supply limitation relay 35 conducting state (restoring to normal condition) when, terminate relay switching control,
Unlocking driving or locking driving are carried out like this, and therefore, can also obtain, which can shorten above-mentioned unlocking driving or locking driving completion, is
Effect as time only.
In addition, in the present embodiment, when power supply limits relay 35, unlocking controls relay 25 and locking control
When relay 26 is respectively at normal condition, conduction detection portion 36 limits relay 35 according to power supply, control relay of unlocking
Device 25 and locking control 26 respective contact performance measurement of relay go out a certain in high signal, median signal, low level signal
Kind signal, but it's not limited to that, as long as relay 35 can be limited power supply, unlock control relay 25 and locking control
Whether the conducting state of relay 26 processed is normally carried out the structure of detection.
In addition, in the present embodiment, startup and the electric powered steering of engine can be carried out using a upper bit location 20
The control (power supply control, the locking to microcomputer 19/unlocking requirement of microcomputer 19) of locking device 1, can also utilize other upper
Unit carries out respective action.In addition, upper bit location 20 can also have the function of it is other, for example, it can be by with user
Intelligent cell that the electron key held from dynamic to car door lock/unlock into row data communication, carry out engine
The engine unit of driving and control, carry out power control unit, the various electricity to being installed in vehicle that the power supply of vehicle controls
Car body control unit that device element is uniformly controlled etc..
Claims (3)
1. a kind of electric steering-lock device, including：
Locking bolt, the latched position which can engage in the steering spindle with vehicle is with releasing the lockset position of coupler that this engages
Between moved；
Motor, the motor make driving mechanism work, which move the locking bolt；
Motor driving control section, the motor driving control section have according to making the rotating set direction of the motor
Form the first control relay and the second control relay towards the supply path of the motor；
Power supply limits relay, and power supply limitation relay can be cut between conducting state and dissengaged positions
Change, wherein the conducting state is the state instigated towards the power supply conducting of the motor driving control section, the cut-out
State is the state instigated towards the power supply cut-out of the motor driving control section；And
Control element, the control element control the first of the motor driving control section relay and the second control relay
Contacts status switch over,
The electric steering-lock device is characterized in that,
The portion of motor driving control section upstream side described in ratio in the supply path towards the motor driving control section
Position sets the power supply limitation relay, and the conducting state for limiting the power supply relay is detected
Conduction detection portion is arranged between power supply limitation relay and the motor driving control section,
It is connected to institute when by the described first control relay and the second control relay under the contacts status of ground side
When stating the power supply limitation switching-on state of relay, the power supply limitation is not detected in the conduction detection portion
In the case of the conducting state of relay, the control element carries out relay switching control, in the relay switching control,
Power supply limitation relay is switched into dissengaged positions, and according to making the rotating direction of the motor to described the
In the state of one control relay and the contacts status of any one party in the second control relay switch over, by described in
Power supply limits the switching-on state of relay,
The control element detects that the power supply limits the conducting state of relay as condition using the conduction detection portion,
Described first control relay and the second control relay are being maintained into touching when the relay switching control performs
In the state of dotted state, it is moved to the unlocking driving of lockset position of coupler into the enforcement locking bolt or moves the locking bolt
Locking to latched position drives.
2. electric steering-lock device as claimed in claim 1, it is characterised in that
The control element includes the number measuring cell counted to the execution number of the relay switching control, by
The time point that the execution number that number measuring cell counting obtains reaches stipulated number terminates the relay switching control.
3. electric steering-lock device as claimed in claim 1, it is characterised in that
The control element include to the relay switching control since performing elapsed time counted when
Between measuring cell, perform the relay switching control repeatedly, until by the time measurement component count obtain time reach
Untill the stipulated time.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013244728A JP6251023B2 (en) | 2013-11-27 | 2013-11-27 | Electric steering lock device |
| JP2013-244728 | 2013-11-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104670152A CN104670152A (en) | 2015-06-03 |
| CN104670152B true CN104670152B (en) | 2018-04-20 |
Family
ID=53305916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410692505.9A Expired - Fee Related CN104670152B (en) | 2013-11-27 | 2014-11-26 | Electric steering-lock device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6251023B2 (en) |
| CN (1) | CN104670152B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6606360B2 (en) * | 2015-06-23 | 2019-11-13 | 株式会社ユーシン | Electric steering lock device |
| CN110088809B (en) * | 2016-11-25 | 2022-05-13 | 北京骑胜科技有限公司 | System and method for controlling a lock |
| JP6778093B2 (en) * | 2016-11-28 | 2020-10-28 | 株式会社ユーシン | Electric steering lock device |
| FR3071267B1 (en) * | 2017-09-18 | 2022-04-22 | Psa Automobiles Sa | SIMPLIFIED LOCKING AND UNLOCKING OF THE OPENING LOCK |
| CN109695384A (en) * | 2019-02-25 | 2019-04-30 | 徐州徐工特种工程机械有限公司 | Hood locking device after glide steering loader |
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|---|---|---|---|---|
| JPH02302678A (en) * | 1989-05-16 | 1990-12-14 | Mitsubishi Electric Corp | Apparatus for measuring temperature characteristics of electronic circuit part |
| DE69033180T2 (en) * | 1989-02-16 | 2000-01-05 | Automotive Prod Usa | CONTROL SYSTEM FOR VEHICLE |
| JP2001001865A (en) * | 1999-05-29 | 2001-01-09 | Valeo Deutschland Gmbh & Co Sicherheitssysteme | Device for locking steering shaft of power vehicle steering device |
| JP2004254134A (en) * | 2003-02-20 | 2004-09-09 | Tokai Rika Co Ltd | Multiplex communication system |
| CN101633368A (en) * | 2008-07-24 | 2010-01-27 | 株式会社有信 | Motor-driven steering lock apparatus |
| CN102616205A (en) * | 2012-04-01 | 2012-08-01 | 奇瑞汽车股份有限公司 | Control system for steering column lock |
| CN102673518A (en) * | 2011-03-17 | 2012-09-19 | 株式会社东海理化电机制作所 | Electric steering wheel locking device, locking control part and vehicle anti-theft system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3302846B2 (en) * | 1994-11-30 | 2002-07-15 | 三菱電機株式会社 | Power supply |
| JP5157492B2 (en) * | 2008-01-31 | 2013-03-06 | 株式会社ジェイテクト | Relay circuit continuity determination method and relay circuit continuity determination device |
-
2013
- 2013-11-27 JP JP2013244728A patent/JP6251023B2/en active Active
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2014
- 2014-11-26 CN CN201410692505.9A patent/CN104670152B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69033180T2 (en) * | 1989-02-16 | 2000-01-05 | Automotive Prod Usa | CONTROL SYSTEM FOR VEHICLE |
| JPH02302678A (en) * | 1989-05-16 | 1990-12-14 | Mitsubishi Electric Corp | Apparatus for measuring temperature characteristics of electronic circuit part |
| JP2001001865A (en) * | 1999-05-29 | 2001-01-09 | Valeo Deutschland Gmbh & Co Sicherheitssysteme | Device for locking steering shaft of power vehicle steering device |
| JP2004254134A (en) * | 2003-02-20 | 2004-09-09 | Tokai Rika Co Ltd | Multiplex communication system |
| CN101633368A (en) * | 2008-07-24 | 2010-01-27 | 株式会社有信 | Motor-driven steering lock apparatus |
| CN102673518A (en) * | 2011-03-17 | 2012-09-19 | 株式会社东海理化电机制作所 | Electric steering wheel locking device, locking control part and vehicle anti-theft system |
| CN102616205A (en) * | 2012-04-01 | 2012-08-01 | 奇瑞汽车股份有限公司 | Control system for steering column lock |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2015101263A (en) | 2015-06-04 |
| CN104670152A (en) | 2015-06-03 |
| JP6251023B2 (en) | 2017-12-20 |
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