CN102285355A - Electronic steering column lock system and power supply method thereof - Google Patents
Electronic steering column lock system and power supply method thereof Download PDFInfo
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- CN102285355A CN102285355A CN2011102044104A CN201110204410A CN102285355A CN 102285355 A CN102285355 A CN 102285355A CN 2011102044104 A CN2011102044104 A CN 2011102044104A CN 201110204410 A CN201110204410 A CN 201110204410A CN 102285355 A CN102285355 A CN 102285355A
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- steering column
- electronic steering
- supply path
- column lock
- switching device
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Abstract
The invention provides an electronic steering column lock system and a power supply method thereof. The system comprises an electronic steering column lock module and a switching device, wherein the switching device is positioned on a first power supply path of coupling the electronic steering column lock module to a power supply and on a second power supply path of coupling an ON gear of an entire vehicle to the power supply; and the switching device is configured to cut off the first power supply path while switching on the second power supply path.
Description
Technical field
The present invention relates to a kind of electronic steering column lock system and method for supplying power to thereof in the vehicle electric field, especially relate to a kind of electronic steering column lock system and method for supplying power to thereof of locking and moving of guaranteeing in the car load driving process, can not carry out.
Background technology
At present overwhelming majority's vehicle of having used PEPS (Passive Entry Passive Start, no key startup) system has all disposed ESCL (Electric Steering Column Lock, electronic steering column lock) and has been used for the locking Steering gear.For the consideration of safety, must guarantee as much as possible in design process that electronic steering column is locked in the car load driving process can not carry out the action of locking.At present common way is to start module and the electronic steering column lock module is judged some conditions by software logic by no key, as the car load power supply status whether close, whether the speed of a motor vehicle be zero etc., have only when these conditions all satisfy and just lock.The present invention has proposed a kind of more reliable and simple and practical scheme on this basis, has guaranteed can not carry out the action of locking in the car load driving process.
Summary of the invention
The present invention proposed on the basis of the above a kind of simply, reliably, the scheme of electronic steering column lock power supply cheaply, and in specific embodiment, defined related circuit method of attachment as example.
First aspect present invention provides a kind of electronic steering column lock system, comprising:
The electronic steering column lock module; With
Switching device, described switching device are in described electronic steering column lock module are couple on first supply path of power supply,
Described system features is that described switching device also is in car load ON shelves are couple on second supply path of power supply, and wherein, described switching device is configured to disconnect first supply path when connecting second supply path.
Described switching device also is configured to only just connect first supply path when second supply path disconnects.
According to the specific descriptions to the embodiment of the invention, described switching device can be configured to just disconnect first supply path when connecting second supply path, and just connects first supply path when disconnecting second supply path.Promptly, at most only there is a path to be switched in first supply path and second supply path at synchronization.
Preferably, described switching device is one five a pin relay.Described five pin relays start module controls by no key.By allowing shared one the five pin relay of ON shelves of electronic steering column lock and car load, make electronic steering column lock only leave ON shelves (being that priming supply IGN closes) and just may obtain the power supply power supply afterwards, and then just may carry out the operation of locking at car load.
When second supply path disconnected, electronic steering column lock module and no key startup module were carried out software logic and are judged electronic steering column is locked.When second supply path disconnected, first supply path just may be switched on, and this moment, the electronic steering column lock module obtained the power supply power supply, thereby can carry out control that electronic steering column is carried out release or locks with no key startup module.
Second aspect present invention provides a kind of electronic steering column lock system method of supplying power to, described electronic steering column lock system comprises electronic steering column lock module and switching device, described switching device is in described electronic steering column lock module is couple on first supply path of power supply, and be in car load ON shelves are couple on second supply path of power supply, described method comprises that the described switching device of operation when connecting second supply path, disconnects first supply path.
Described method comprises that also the described switching device of operation when disconnecting second supply path, connects first supply path.When first supply path disconnects, start module by the no key of electronic steering column lock module and and carry out software logic and judge electronic steering column is locked.
The present invention has following advantage:
1, circuit structure is simple, no control module;
2, cost is low, has only increased a simple switching device, for example one the five pin relay that share with IGN (priming supply);
3, easy to use, it is little to implement difficulty, is convenient to promote;
4, circuit layout reliability height, the life-span is long, can repeated use.
Description of drawings
Describe principle of the present invention and preferred implementation below with reference to accompanying drawings in detail.Should be appreciated that the following description only is in order to understand the present invention better rather than the scope of the invention to be limited.In the accompanying drawing:
Fig. 1 is the functional block diagram according to electronic steering column lock of the present invention system.
Fig. 2 is that the circuit according to a preferred embodiment of electronic steering column lock of the present invention system connects diagrammatic sketch.
Fig. 3 is an example flow diagram of method that electronic steering column lock according to the present invention system is powered.
Fig. 4 is another example flow diagram of method that electronic steering column lock according to the present invention system is powered.
The specific embodiment
Fig. 1 is schematically illustrated functional block diagram according to electronic steering column lock of the present invention system.As shown in Figure 1, switching device 102 is coupled between power supply 101 and the electronic steering column lock 103, also is coupled between the ON shelves 104 of power supply 101 and car load simultaneously.When driver's operation switching device 102 makes the ON shelves energized of car load, promptly 1 pin of switching device and 3 pin are connected, thereby when forming supply access (corresponding to second supply path), 1 pin of switching device and 2 pin must be open circuited.Therefore, the power supply of electronic steering column lock is cut off, and has guaranteed that electronic steering column is locked in can not carry out the action of locking during car load travels, and has realized the safety about electronic steering column lock.
Being appreciated that sketch shown in Figure 1 only for schematically illustrated principle of the present invention, is not to realize practical circuit diagram of the present invention.Wherein, other device of the electronic steering column lock system of formation vehicle or parts and circuit connecting relation are not to constitute essential feature of the present invention, and be the known technology of those skilled in the art, therefore in Fig. 1, be omitted, so that more briefly clearly embody purport of the present invention.
Switching device shown in Fig. 1 and with the connection mode of power supply, electronic steering column lock and car load ON shelves also be schematic.The connection of switching device, open circuited control also can be implemented as variety of way.Switching device not necessarily must have three pin (contact point), but can be other suitable quantity.As long as when switching device during with car load ON shelves energized, electronic steering column lock must get final product with the power supply disconnection.In addition, when switching device during with the power connection of electronic steering column lock (the first supply path conducting), it is inevitable to have disconnected car load ON shelves power supply, promptly has only when vehicle is no longer exercised and just may operate electronic steering column lock.
With reference to Fig. 2 a preferred embodiment of the present invention is described below.
As shown in Figure 2, switching device 202 is one five a pin relay, and its ON shelves power supply 204 by electronic steering column lock (ESCL) 203 and car load is shared, and starts module (PEPS) 205 controls by no key.When car load when the ON shelves travel, 1 pin of five pin relays 202 and 3 pin combinations, i.e. ON shelves 204 energising, its 1 pin and 2 pin must be open circuited simultaneously, promptly the power supply of electronic steering column is cut off.So just guaranteed car load during travelling from the basis, electronic steering column lock can not be carried out the action of locking.Have only when chaufeur switches to the OFF shelves with the car load power supply, i.e. ON shelves supply disconnecton, 1 pin and 2 pin of five pin relays 202 just can be connected, and the power supply that ESCL203 is relevant just may be switched on.Rely on this moment PEPS module and ESCL module to do further software logic again and judge the last latching operation of realizing high reliability, only guaranteed at the car load power-off, and just carry out latching operation when not having the speed of a motor vehicle, safety is further promoted.
Fig. 3 is an example flow diagram of method that electronic steering column lock according to the present invention system is powered.At step S301,, the switching device operation cuts off the power supply of electronic steering column lock when connecting car load ON shelves power supply.Thereby guaranteed vehicle at driving period, electronic steering column lock can not be carried out the action of locking.
Fig. 4 is another example flow diagram of method that electronic steering column lock according to the present invention system is powered.Wherein, step S401 is identical with step S301.At step S402, when switching device is operated the power supply that disconnects car load ON shelves, connected the power supply of electronic steering column lock, so electronic steering column lock is powered.At optional step S403, the electronic steering column lock that obtains powering carries out software logic with no key start-up system and judges, if judge and to have satisfied the condition of locking (condition of locking for example comprises that the speed of a motor vehicle is zero, the car load power supply status is closed, engine speed is zero, brake pedal is operated, user imported one or more in the signal that request locks to electronic steering column etc.), then electronic steering column is gone up latching operation by control button.
Though describe the present invention in detail by specific embodiment, yet scope of the present invention is not limited to this, those skilled in the art can also make various changes and modifications in the scope of purport of the present invention and spirit covering.For example, in a preferred embodiment of the invention, switching device is one five a pin relay.Yet the invention is not restricted to this, can also adopt the combination of other suitable switch or a plurality of binistors, as long as when switching device during with car load ON shelves energized, electronic steering column lock must disconnect with power supply, can realize purpose of the present invention.Thereby need not to increase control module or carry out software logic and judge, just can guarantee with simple hardware construction that electronic steering column is locked in the car load driving process and can not carry out the action of locking.Further, be switched on or switched off the formation interlocked relationship when what switching device was operated to make car load ON shelves supply path and electronic steering column lock supply path, promptly two supply paths are when synchronization only has a paths to be switched on, could carry out latching operation on the electronic steering column when having realized having only the car load power supply to disconnect, improve the reliability of electronic steering column lock.Scope of the present invention is limited by claims.
Claims (8)
1. electronic steering column lock system comprises:
The electronic steering column lock module; With
Switching device, described switching device are in described electronic steering column lock module are couple on first supply path of power supply,
Described system features is that described switching device also is in car load ON shelves are couple on second supply path of power supply, and wherein, described switching device is configured to disconnect first supply path when connecting second supply path.
2. the system as claimed in claim 1, wherein said switching device also is configured to only just connect first supply path when having disconnected second supply path.
3. system as claimed in claim 1 or 2, wherein said switching device is five pin relays.
4. system as claimed in claim 3, wherein said five pin relays start module controls by a no key.
5. electronic steering column lock as claimed in claim 1 or 2, when wherein second supply path disconnected, described electronic steering column lock module and no key startup module were carried out software logic and are judged electronic steering column is locked.
6. electronic steering column lock system method of supplying power to, described electronic steering column lock system comprises electronic steering column lock module and switching device, described switching device is in described electronic steering column lock module is couple on first supply path of power supply, and be in car load ON shelves are couple on second supply path of power supply
Described method comprises step:
Operate described switching device when connecting second supply path, disconnect first supply path.
7. method as claimed in claim 6 also comprises step:
Operate described switching device when disconnecting second supply path, connect first supply path.
8. as claim 6 or 7 described methods, also comprise step:
When second supply path disconnects, start module by the no key of electronic steering column lock module and and carry out software logic and judge electronic steering column is locked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102044104A CN102285355B (en) | 2011-07-18 | 2011-07-18 | Electronic steering column lock system and power supply method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102044104A CN102285355B (en) | 2011-07-18 | 2011-07-18 | Electronic steering column lock system and power supply method thereof |
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| Publication Number | Publication Date |
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| CN102285355A true CN102285355A (en) | 2011-12-21 |
| CN102285355B CN102285355B (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011102044104A Active CN102285355B (en) | 2011-07-18 | 2011-07-18 | Electronic steering column lock system and power supply method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102941836A (en) * | 2012-12-04 | 2013-02-27 | 奇瑞汽车股份有限公司 | Electronic steering column lock control device and automobile |
| CN105374627A (en) * | 2015-12-11 | 2016-03-02 | 王光树 | Relay |
| CN107804275A (en) * | 2017-10-13 | 2018-03-16 | 法雷奥汽车内部控制（深圳）有限公司 | A kind of control method and the keyless entry of automobile are with starting safety-protection system |
| CN113619510A (en) * | 2021-09-10 | 2021-11-09 | 奇瑞商用车（安徽）有限公司 | Power supply system and method for electronic steering column lock |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2801263A1 (en) * | 1999-11-19 | 2001-05-25 | Siemens Automotive Sa | Fail-safe shaft lock, for vehicle steering column or gearbox shaft, has lock motor circuits isolated except when vehicle is being entered or left |
| CN1757867A (en) * | 2004-10-05 | 2006-04-12 | 日产自动车株式会社 | Electric steering lock device and method thereof |
| CN101503087A (en) * | 2008-02-04 | 2009-08-12 | 联创汽车电子有限公司 | Electronic steering column lock controller and implementing method thereof |
-
2011
- 2011-07-18 CN CN2011102044104A patent/CN102285355B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2801263A1 (en) * | 1999-11-19 | 2001-05-25 | Siemens Automotive Sa | Fail-safe shaft lock, for vehicle steering column or gearbox shaft, has lock motor circuits isolated except when vehicle is being entered or left |
| CN1757867A (en) * | 2004-10-05 | 2006-04-12 | 日产自动车株式会社 | Electric steering lock device and method thereof |
| CN101503087A (en) * | 2008-02-04 | 2009-08-12 | 联创汽车电子有限公司 | Electronic steering column lock controller and implementing method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102941836A (en) * | 2012-12-04 | 2013-02-27 | 奇瑞汽车股份有限公司 | Electronic steering column lock control device and automobile |
| CN102941836B (en) * | 2012-12-04 | 2016-01-13 | 奇瑞汽车股份有限公司 | Electronic steering column lock control device and automobile |
| CN105374627A (en) * | 2015-12-11 | 2016-03-02 | 王光树 | Relay |
| CN107804275A (en) * | 2017-10-13 | 2018-03-16 | 法雷奥汽车内部控制（深圳）有限公司 | A kind of control method and the keyless entry of automobile are with starting safety-protection system |
| CN113619510A (en) * | 2021-09-10 | 2021-11-09 | 奇瑞商用车（安徽）有限公司 | Power supply system and method for electronic steering column lock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102285355B (en) | 2013-03-27 |
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