CN1290730C - Electric steering locking device - Google Patents
Electric steering locking device Download PDFInfo
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- CN1290730C CN1290730C CNB2004100485761A CN200410048576A CN1290730C CN 1290730 C CN1290730 C CN 1290730C CN B2004100485761 A CNB2004100485761 A CN B2004100485761A CN 200410048576 A CN200410048576 A CN 200410048576A CN 1290730 C CN1290730 C CN 1290730C
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- 238000001514 detection method Methods 0.000 claims abstract description 23
- 230000000903 blocking effect Effects 0.000 claims description 22
- 230000004044 response Effects 0.000 claims description 17
- 230000005055 memory storage Effects 0.000 claims description 3
- 238000003745 diagnosis Methods 0.000 description 11
- 238000012545 processing Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008439 repair process Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 229940074869 marquis Drugs 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- VBUNOIXRZNJNAD-UHFFFAOYSA-N ponazuril Chemical compound CC1=CC(N2C(N(C)C(=O)NC2=O)=O)=CC=C1OC1=CC=C(S(=O)(=O)C(F)(F)F)C=C1 VBUNOIXRZNJNAD-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004092 self-diagnosis Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Steering Control In Accordance With Driving Conditions (AREA)
- Lock And Its Accessories (AREA)
Abstract
To provide an electric steering lock device capable of easily confirming whether a detection means fails or not.This electric steering lock device 1 is furnished with a motor 13 to lock or unlock a steering shaft 11 by changing a position of a lock bar 12 to be engaged and disengaged with the steering shaft 11, a locking position detection switch 16 to detect an engaged and disengaged state of the lock bar 12 against the steering shaft 11 and a steering lock ECU 14 to carry out driving control of a motor 13 in accordance with a detection signal to be output from this locking position detection switch 16 and to carry out electrifying stop control to stop driving of the motor 13 in the case when the detection signal is not input within the maximum electrifying time. The steering lock ECU 14 is furnished with a memory 14a and records a detecting state value in the memory 14a in accordance with practice of the electrifying stop control.(C)2005,JPO&NCIPI.
Description
Technical field
The present invention relates to a kind of column assist blocking device.
Background technology
Past, stolen for preventing vehicle, be extensive use of the mechanical type Lenkradschlossvorrichtung.The mechanical type Lenkradschlossvorrichtung is that mechanical key is inserted lock core and screw key, makes locking bar move extension and is incorporated on the steering shaft.Because of the locking bar extension is combined on the steering shaft, steering shaft is fixed (locking), and the rotation of bearing circle is limited.Therefore, adopt Lenkradschlossvorrichtung to improve the anti-theft of vehicle.
But, in recent years for improving the operability of vehicle, proposed to start push button engine start/stop systems with shutting engine down by clicking pushbutton switch.The Lenkradschlossvorrichtung of said system (column assist blocking device) moves locking bar by motor (actuating device), controls the driving (example is referring to TOHKEMY 2003-112602 publication communique) of this motor by steering locking electronic control part (steering locking ECU).
Whether steering locking ECU hangs by latched position detector switch (detecting device) detection locking bar has been shared steering shaft, carries out motor driven control according to this detection signal.So whether latched position detector switch one et out of order, steering locking ECU just can not detect locking bar and hang and shared steering shaft, closing steering shaft and driven motor although might locking bar hang.Therefore, steering locking ECU forces to stop the energising to motor when the detection signal of having spent predefined maximum current"on"time and can't receiving from the latched position detector switch.
When the user feels that operation feeling (bearing circle locked will take a long time etc.) is bad, can entrust the guarantee worker cross-check sum of automobile dealer or repair plant to repair Lenkradschlossvorrichtung.That is to say that this guarantee worker will be for finding out the abnormal former thereby inspection column assist blocking device of Lenkradschlossvorrichtung.But, want to check out whether the abnormal reason of Lenkradschlossvorrichtung is exactly latched position detector switch fault, even concerning the guarantee worker, also be very difficult, be the operation that spends very much time and time.
Summary of the invention
The present invention is the result who studies in view of above-mentioned actual state, its objective is that providing a kind of can conveniently confirm the whether column assist blocking device of et out of order of detecting device.
In order to achieve the above object, the column assist blocking device of one embodiment of the present invention comprises and can hang the locking bar that closes with steering shaft; Thereby above-mentioned locking bar is moved to be locked and nonlocking actuating device above-mentioned steering shaft; Detecting above-mentioned locking bar closes state and generates the detecting device that closes the corresponding detection signal of state with this extension the extension of above-mentioned steering shaft; And the control setup of above-mentioned actuating device being controlled according to above-mentioned detection signal.When no above-mentioned detection signal was imported in fiducial time, the energising that stops that above-mentioned control setup stops above-mentioned actuating device was controlled, and simultaneously the detected state value is stored in the memory storage.
Description of drawings
Fig. 1 is the scheme drawing of the column assist blocking device of preferred implementation of the present invention, (a) is lock-out state, (b) is unlock state.
Fig. 2 is the diagram of circuit that steering locking ECU switches on and controls.
The simple block diagram of the signal flow when Fig. 3 is the cross-check sum diagnosis column assist blocking device of explanation present embodiment.
The specific embodiment
Below, according to Fig. 1～Fig. 2 one embodiment of column assist blocking device of the present invention is described.
As shown in Figure 1, column assist blocking device 1 possess the steering shaft 11 that is connected with bearing circle, locking bar 12, as the motor 13 of actuating device with as the steering locking ECU14 of control setup.Be electrically connected motor 13 on the steering locking ECU14 and as the latched position detector switch 16 of detecting device.In the present embodiment, latched position detector switch 16 adopts the mechanical switch (this example is a limit switch) of often opening (A contact) type, the anode of one end and battery (+B) being connected, the other end is connected with steering locking ECU14.
The outside face of steering shaft 11 is provided with the recess 11a that can bear locking bar 12 leading sections.Leading section at locking bar 12 is received among the recess 11a, locking bar 12 is hung under the state (state shown in Fig. 1 (a)) that closes with steering shaft 11, and the rotation of steering shaft 11 is limited (locked).On the other hand, be not received among the recess 11a at the leading section of locking bar 12, locking bar 12 hangs under the state (state shown in Fig. 1 (b)) that closes with steering shaft 11, steering shaft 11 can rotate (not locked).Carry out steering shaft 11 lockings and nonlocking conversion by mobile locking bar 12 like this.
In addition, be formed with tooth-strip part 12b on the outside face of locking bar 12.Set horizontal gear 18 and make it interlock mutually with above-mentioned tooth-strip part 12b.Horizontal gear 18 be installed in motor 13 S. A.s on worm gear 17 interlock mutually.Therefore, motor 13 1 is driven, horizontal gear 18 just with the rotation of the S. A. interlock of motor 13.Horizontal gear 18 1 rotations, locking bar 12 closes steering shaft 11 extensions with regard to the straight line mobile phase or separates.For example, when motor 13 made the direction rotation of axial rotary Fig. 1 arrow R1 indication, locking bar 12 moved along the direction of Fig. 1 arrow F1 indication, separates with steering shaft 11.In contrast, when motor 13 made the direction rotation of axial rotary arrow R2 indication, locking bar 12 moved along the direction of arrow F2 indication, hung with steering shaft 11 and closed.
Steering locking ECU14 comprises nonvolatile memory 14a, the time meter 14b as memory storage and is used for the driving circuit (not shown) of CD-ROM drive motor 13.Store MT maximum current"on"time (fiducial time) (present embodiment is " 780ms "～" 2.1s ") among the memory device 14a in advance and detected decision content (a reference value) JT (present embodiment is " 16 ").
Steering locking ECU14 one receives the locking that requires locking steering shaft 11 when requiring signal S1, just sends the lock drive signals to motor 13, and the while is carried out drive controlling according to lock detecting signal to motor 13.Specifically, be exactly that steering locking ECU14 sent the lock drive signal to motor 13 before receiving lock detecting signal from latched position detector switch 16, stop to send the lock drive signal once receiving lock detecting signal.
In addition, steering locking ECU14 utilizes time meter 14b in the control of switching on of each specified time.Below, according to diagram of circuit shown in Figure 2 this energising control is elaborated.
Steering locking ECU14 utilizes institute's elapsed time behind the time meter 14b instrumentation output lock drive signal, that is, beginning is to motor 13 energising back institute's elapsed times (hereinafter referred to as " t current"on"time ").Current"on"time, t was that locking bar 12 begins to move back institute elapsed time from non-locked position.
In step 101, steering locking ECU14 judges whether lock detecting signal is transfused to.Judge when lock detecting signal has been transfused to (YES in the step 101) that steering locking ECU14 makes t current"on"time reset (in the present embodiment, making current"on"time t be " 0 ") in step 102.The processing one of step 102 finishes, and steering locking ECU14 makes count value n reset (in the present embodiment, making count value n be " 0 ") in step 103.The processing one of step 103 finishes, and steering locking ECU14 makes detected state value FG reset (in the present embodiment, making detected state value FG be " 0 ") in step 104.And finish this processing.As mentioned above, 11 locked at steering shaft at every turn, when lock detecting signal is transfused to, current"on"time, t, count value n and detected state value FG were reset to " 0 ".That is to say that at latched position detector switch 16 not under the situation of et out of order (below be stated as " regular event "), at every turn when steering shaft 11 is locked, current"on"time, t, count value n and detected state value FG were reset.
When not importing lock detecting signal in step 101 (NO in the step 101), steering locking ECU14 judges that in step 105 current"on"time t is whether more than or equal to maximum current"on"time of MT.At this, maximum MT current"on"time is that motor 13 makes locking bar 12 move to the latched position maxim of needed current"on"time from non-locked position.During latched position detector switch 16 regular events, locking bar 12 arrives latched position in maximum current"on"time in the MT, and behind the output lock drive signal, in maximum MT current"on"time, lock detecting signal is imported into steering locking ECU14.When judging that current"on"time, t was less than maximum MT current"on"time, that is, when having imported lock detecting signal in the MT maximum current"on"time (NO in the step 105), steering locking ECU14 end process.
On the other hand, when judging that current"on"time, t was more than or equal to maximum MT current"on"time (YES in the step 105), steering locking ECU14 stops to lock the output (stopping energising control) of drive signal in step 106.That is to say, when steering locking ECU14 is not transfused to lock detecting signal in maximum current"on"time in the MT, force to stop the driving of motor 13.So motor 13 can not be driven in the time range more than or equal to maximum MT current"on"time.The processing one of step 106 finishes, and steering locking ECU14 just increases " 1 " in step 107 with count value n.
Steering locking ECU14 judges that in step 108 whether count value n is more than or equal to detecting decision content JT.When judging count value n less than detection decision content JT (NO in the step 108), steering locking ECU14 is with regard to end process.And when judging count value n more than or equal to detection decision content JT (YES in the step 108), steering locking ECU14 is provided with detected state value FG (in the present embodiment, making detected state value FG be " 1 ") in step 109.In step 110, steering locking ECU14 is stored among the memory device 14a detected state value FG and end process.
As mentioned above, steering locking ECU14 sets detected state value FG according to the enforcement of the control that stops to switch on, and is to set during more than or equal to the number of times that detects shown in the decision content JT at the implementation number of times of the control that stops to switch on.So during latched position detector switch 16 et out of orders, detected state value FG just is set.
Shown in Figure 1 the reading of steering locking ECU14 response requires signal S2, output and the corresponding response signal S3 of detected state value FG.
Secondly, according to Fig. 3 just confirm latched position detector switch 16 whether an example of et out of order describe.
In vehicle 20, electronic type moving locking device ECU30, power supply control ECU31 are connected on the steering locking ECU14 with local area network N1 by the push button system.Electronic type moving locking device ECU30 is connected by vehicle communication net N2 with power supply control ECU31, and above-mentioned these ECU also are connected with selective gate 32 (for example vehicle body ECU) with diagnosis by vehicle communication net N2.
In periodic inspection etc., the guarantee worker (third party) of automobile dealer or repair plant will collect vehicle 20 diagnostic messages by adaptor union 34 terminal (diagnosis with tester 33) is connected with selective gate 32 with diagnosing.When operating not shown operating portion, diagnose whether normally information, i.e. reading of requirement transmission detected state value FG require signal S2 with regard to exporting requirement transmission latched position detector switch 16 with tester 33.
Require signal S2 by diagnosis with tester 33 reading of output, be sent in order with tester 33 beginnings from diagnosis and diagnose with selective gate 32, electronic type moving locking device ECU30, steering locking ECU14.Steering locking ECU14 response is read and is required signal S2, output be stored among the memory device 14a with the corresponding response signal S3 of detected state value FG.This response signal S3 begins to be sent in order electronic type moving locking device ECU30, diagnosis selective gate 32, diagnosis tester 33 from steering locking ECU14.Diagnosis judges according to response signal S3 whether detected state value FG is " 1 " with tester 33.When detected state value FG was " 1 ", just the information with latched position detector switch 16 et out of orders was notified to guarantee worker (operator of tester 33 is used in diagnosis).Like this, the guarantee worker just can know that fault has taken place latched position detector switch 16.
And, make latched position detector switch 16 regular events by transposing to latched position detector switch 16 grades after, detected state value FG just is reset.
Adopt the column assist blocking device of present embodiment, can obtain following effect.
(1) steering locking ECU14 stops energising control when be not transfused to lock detecting signal in the MT maximum current"on"time, forces to stop the driving of motor 13.Steering locking ECU14, is inferred as latched position detector switch 16 fault has taken place during more than or equal to the number of times that detects shown in the decision content JT at the implementation number of times of the control that stops to switch on, and sets the detected state value and also is stored among the memory device 14a.Therefore, the detected state value FG by confirming to be stored just can confirm easily whether latched position detector switch 16 fault has taken place.And, the third party such as guarantee worker etc. can be the time marquis of for example periodic inspection etc., confirm whether et out of order of latched position detector switch 16 according to detected state value FG, just can be as soon as possible to suitable processing such as 16 places under repair of latched position detector switch, transposings when latched position detector switch 16 et out of orders.
(2) steering locking ECU14 only sets detected state value FG at the number of times of controlling that stops to switch on than detecting under the big situation of decision content JT.That is to say,, but less than stipulated number the time, also do not set detected state value FG even steering locking ECU14 stops energising control.Therefore, detected state value FG can not be set continually, checks latched position detector switch 16 needed burdens (testing time and the number of working processes etc.) thereby can alleviate the third parties such as operator.
(3) steering locking ECU14 is when be transfused to lock detecting signal in the MT maximum current"on"time, and FG resets with the detected state value.That is to say that during latched position detector switch 16 regular events, detected state value FG is reset.Like this, when for example reaching the regular event state by transposing latched position detector switch 16 grades, detected state value FG is reset.Therefore, do not need to carry out special operation, thereby improved the convenience of column assist blocking device 1 for detected state value FG is resetted.
(4) when detecting decision content JT, just during latched position detector switch 16 et out of orders, FG is set at " 1 " to steering locking ECU14 with the detected state value at count value n.And when be transfused to lock detecting signal in the MT maximum current"on"time, just during latched position detector switch 16 regular events, FG was reset to " 0 " with the detected state value.Like this, detected state value FG just represents whether et out of order of latched position detector switch 16 with " 0 " and " 1 " these two numerical value.Therefore, just can more easily confirm according to the value of detected state value FG whether latched position detector switch 16 fault has taken place.
(5) will diagnose with tester 33 by adaptor union 34 and be connected, and with behind the tester 33, read and require signal S2 just to be imported into steering locking ECU14 with local area network N1 by vehicle communication net N2 and push button system in the operation diagnosis with vehicle 20.The response signal S3 that requires signal S2 output expression detected state value FG is read in steering locking ECU14 response.Like this, the third parties such as operator will diagnose with tester 33 by adaptor union 34 and be connected with vehicle 20 and operate and diagnose usefulness tester 33, just can obtain the whether detected state value FG of et out of order of expression latched position detector switch 16.That is to say that the third parties such as maintenance worker can utilize diagnosis to confirm whether et out of order of latched position detector switch 16 easily with tester 33, thereby improved the convenience of column assist blocking device 1.
In addition, present embodiment can also be done following change.
In the present embodiment, steering locking ECU14 has been transfused to selfdiagnosis to require just to export detected state value FG's behind the signal S2 with reading of tester 33.But, also can on the instrument platen of vehicle, indicating device be set, steering locking ECU14 exports detected state value FG to this indicating device when setting detected state value FG.In this case, indicating device is transfused to the notice of just sending latched position detector switch 16 et out of orders behind the detected state value FG.Like this, just can confirm earlier that fault has taken place latched position detector switch 16.
In the present embodiment, steering locking ECU14 is that count value n greatly just sets detected state value FG than detecting decision content JT.But, also can change to steering locking ECU14 count value n is stored among the memory device 14a as detected state value FG.That is to say that steering locking ECU14 also can be stored into the number of times of the control that stops to switch among the memory device 14a.Like this, can judge the period of transposing latched position detector switch 16 according to the number of times of this storage.
Can also change to: when steering locking ECU14 count value n reach than detect decision content JT big after, the number of times of input lock detecting signal is stored among the memory device 14a as detected state value FG.Like this, during latched position detector switch 16 actions unstable (import lock detecting signal a little while and do not import lock detecting signal a little while again maximum current"on"time in the MT), detected state value FG just increases.Therefore, whether the action that can confirm latched position detector switch 16 stablizes.For example, can confirm the contact place bad contact of latched position detector switch 16 or the mechanical loads such as thing that exist obstruction locking bar 12 to move.
In the present embodiment, steering locking ECU14 after being transfused to lock detecting signal resets detected state value FG.But, also can change to steering locking ECU14 and require signal and signal S3 when output resets detected state value FG in response with detected state value FG being transfused to read.That is to say the time marquis that the lock detecting signal that is not limited to present embodiment opportunity that detected state value FG is reset is transfused to.
Adopt column assist blocking device of the present invention, can confirm easily whether detecting device fault might take place.
Claims (7)
1. a column assist blocking device is that steering shaft (11) is locked and nonlocking column assist blocking device (1), it is characterized in that, comprising: can with above-mentioned steering shaft hang close locking bar (12);
Above-mentioned locking bar is moved to be locked and nonlocking actuating device (13) above-mentioned steering shaft;
Detect above-mentioned locking bar the extension of above-mentioned steering shaft is closed state, generate the detecting device (16) that closes the corresponding detection signal of state with this extension; And
The control setup of above-mentioned actuating device being controlled according to above-mentioned detection signal (14),
Above-mentioned control setup is in fiducial time (MT) during no above-mentioned detection signal input, and what stop above-mentioned actuating device stops energising control, simultaneously detected state value (FG) is stored in the memory storage (14a).
2. column assist blocking device as claimed in claim 1 is characterized in that above-mentioned control setup when the implementation number of times (n) of the above-mentioned control that stops to switch on is identical with above-mentioned detection decision content or bigger than above-mentioned detection decision content, sets above-mentioned detected state value.
3. column assist blocking device as claimed in claim 1 is characterized in that above-mentioned control setup when said reference is transfused to above-mentioned detection signal in the time, and above-mentioned detected state value is resetted.
4. as any one described column assist blocking device in the claim 1～3, it is characterized in that above-mentioned control setup response reads the input that requires signal (S2), output and the corresponding response signal of above-mentioned detected state value (S3).
5. column assist blocking device as claimed in claim 1 or 2 is characterized in that above-mentioned control setup when said reference has been transfused to above-mentioned detection signal in the time, and the above-mentioned implementation number of times of controlling that stops to switch on is resetted.
6. column assist blocking device as claimed in claim 4, it is characterized in that operating the operating portion of diagnostic device (33) after, above-mentioned reading requires signal just to send to above-mentioned control setup by above-mentioned diagnostic device; The input that requires signal (S2) is read in the control setup response, output and the corresponding response signal of above-mentioned detected state value (S3), and being sent to diagnostic device, above-mentioned diagnostic device is reported and this response signal information corresponding after having received above-mentioned response signal (S3).
7. column assist blocking device as claimed in claim 1, it is characterized in that under the normal situation of above-mentioned detection device the said reference time is that above-mentioned actuating device moves to the latched position maxim of needed current"on"time with above-mentioned locking bar from non-locked position.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003166359 | 2003-06-11 | ||
| JP2003166359A JP4199602B2 (en) | 2003-06-11 | 2003-06-11 | Electric steering lock device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1572608A CN1572608A (en) | 2005-02-02 |
| CN1290730C true CN1290730C (en) | 2006-12-20 |
Family
ID=34092551
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100485761A Expired - Fee Related CN1290730C (en) | 2003-06-11 | 2004-06-08 | Electric steering locking device |
| CNU2004200655857U Expired - Fee Related CN2736217Y (en) | 2003-06-11 | 2004-06-08 | Electric steering locking apparatus |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200655857U Expired - Fee Related CN2736217Y (en) | 2003-06-11 | 2004-06-08 | Electric steering locking apparatus |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4199602B2 (en) |
| CN (2) | CN1290730C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006273115A (en) * | 2005-03-29 | 2006-10-12 | Alpha Corp | Electric steering lock device and method of controlling the electric steering lock device |
| JP4671789B2 (en) * | 2005-07-07 | 2011-04-20 | 株式会社ユーシン | Steering lock device |
| JP5610980B2 (en) * | 2010-10-29 | 2014-10-22 | ダイハツ工業株式会社 | Electric steering lock control device |
| CN102673519A (en) * | 2012-06-15 | 2012-09-19 | 无锡商业职业技术学院 | Automobile anti-theft device based on steering system |
| JP5646093B2 (en) * | 2014-02-05 | 2014-12-24 | 株式会社ユーシン | Electric steering lock device |
| JP6378561B2 (en) * | 2014-07-08 | 2018-08-22 | 株式会社ユーシン | Electric steering lock device and method for preventing overheating of electric steering lock device |
| CN104859582B (en) * | 2015-05-05 | 2017-07-14 | 马夸特开关(上海)有限公司 | Electronic steering column lock control system |
-
2003
- 2003-06-11 JP JP2003166359A patent/JP4199602B2/en not_active Expired - Fee Related
-
2004
- 2004-06-08 CN CNB2004100485761A patent/CN1290730C/en not_active Expired - Fee Related
- 2004-06-08 CN CNU2004200655857U patent/CN2736217Y/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP4199602B2 (en) | 2008-12-17 |
| CN1572608A (en) | 2005-02-02 |
| JP2005001482A (en) | 2005-01-06 |
| CN2736217Y (en) | 2005-10-26 |
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Granted publication date: 20061220 Termination date: 20130608 |