CN102285355B - 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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- CN102285355B CN102285355B CN2011102044104A CN201110204410A CN102285355B CN 102285355 B CN102285355 B CN 102285355B CN 2011102044104 A CN2011102044104 A CN 2011102044104A CN 201110204410 A CN201110204410 A CN 201110204410A CN 102285355 B CN102285355 B CN 102285355B
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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
The vehicle that the present overwhelming majority has used PEPS (Passive Entry Passive Start starts without key) system has all configured ESCL (Electric Steering Column Lock, electronic steering column lock) 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.Present common way is to judge some conditions by start module and electronic steering column lock module without key by software logic, as the car load power supply status whether close, whether the speed of a motor vehicle be zero etc., only have 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 cheaply electronic steering column lock power supply, 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 the first supply path of power supply,
Described system features is, described switching device also is in car load ON shelves are couple on the second supply path of power supply, and wherein, described switching device is configured to disconnect the first supply path when connecting the second supply path.
Described switching device also is configured to only just connect the first supply path when the second supply path disconnects.
According to the specific descriptions to the embodiment of the invention, described switching device can be configured to just disconnect the first supply path when connecting the second supply path, and just connects the first supply path when disconnecting the second supply path.Namely at synchronization, at most only there is a path to be switched in the first supply path and the second supply path.
Preferably, described switching device is five pin relays.Described five pin relays are by starting module controls without key.By allowing the ON shelves of electronic steering column lock and car load share five pin relays, make electronic steering column lock only leave ON shelves (being that priming supply IGN closes) at car load and just may obtain Power supply afterwards, and then just may carry out the operation of locking.
When the second supply path disconnects, electronic steering column lock module and start module without key and carry out software logic and judge electronic steering column is locked.When the second supply path disconnected, the first supply path just may be switched on, and this moment, the electronic steering column lock module obtained Power supply, thus can with start module without key and carry out control that electronic steering column is carried out release or locks.
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 the first supply path of power supply, and be in car load ON shelves are couple on the second supply path of power supply, described method comprises that the described switching device of operation when connecting the second supply path, disconnects the first supply path.
Described method comprises that also the described switching device of operation when disconnecting the second supply path, connects the first supply path.When the first supply path disconnects, start module by electronic steering column lock module and one without key and carry out software logic and judge electronic steering column is locked.
The present invention has following advantage:
1, circuit structure is simple, without control module;
2, cost is low, has only increased a simple switching device, five pin relays that for example share with IGN (priming supply);
3, easy to use, implement difficulty little, be convenient to promote;
4, the circuit layout reliability is high, and the life-span is long, can Reusability.
Description of drawings
Describe below with reference to accompanying drawings principle of the present invention and preferred implementation in detail.Should be appreciated that the following description only is in order to understand better the present invention 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 system of the present invention.
Fig. 2 is the circuit connection diagram according to a preferred embodiment of electronic steering column lock system of the present invention.
Fig. 3 is an example flow diagram of method that electronic steering column lock system according to the present invention is powered.
Fig. 4 is another example flow diagram of method that electronic steering column lock system according to the present invention is powered.
The specific embodiment
Fig. 1 is schematically illustrated functional block diagram according to electronic steering column lock system of the present invention.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.So that the ON shelves plugged of car load, namely 1 pin of switching device and 3 pin are connected when driver's operation switching device 102, thereby when forming supply access (corresponding to the second supply path), 1 pin and 2 pin of switching device must disconnect.Therefore, the power supply of electronic steering column lock is cut off, and has guaranteed can not carry out the action of locking during electronic steering column is locked in car load and 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 consist of essential feature of the present invention, and be the known technology of those skilled in the art, therefore in Fig. 1, be omitted, in order to 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, the control of disconnection 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 plugged, 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, namely only has when vehicle is no longer exercised just may operate electronic steering column lock.
The below describes a preferred embodiment of the present invention with reference to Fig. 2.
As shown in Figure 2, switching device 202 is five pin relays, and its ON shelves power supply 204 by electronic steering column lock (ESCL) 203 and car load shares, and by start module (PEPS) 205 controls without 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 disconnect simultaneously, namely 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.Only have when chaufeur with the car load electrical source exchange during to the OFF shelves, i.e. ON shelves supply disconnecton, 1 pin and 2 pin of five pin relays 202 just can be connected, 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 upper 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 system according to the present invention 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 system according to the present invention is powered.Wherein, step S401 is identical with step S301.At step S402, when switching device operates to disconnect the power supply of 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 is judged with carry out software logic without the key start-up system, if judge and to have satisfied the condition of locking (condition of locking such as comprise 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, the user inputted one or more in the signal that request locks to electronic steering column etc. by control button), then electronic steering column is carried out upper latching operation.
Although 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 five pin relays.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 plugged, 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 configuration that electronic steering column is locked in the car load driving process and can not carry out the action of locking.Further, when switching device be operated to so that car load ON shelves supply path and electronic steering column lock supply path be switched on or switched off the formation interlocked relationship, namely 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 only having 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 (6)
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 the first supply path of power supply,
Described system features is, described switching device also is in car load ON shelves is couple on the second supply path of power supply, wherein, described switching device is configured to disconnect the first supply path when connecting the second supply path, and when the second supply path disconnected, described electronic steering column lock module and one started module without key and carry out software logic and judge electronic steering column is locked.
2. the system as claimed in claim 1, wherein said switching device also is configured to only just connect the first supply path when having disconnected the 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 one without key.
5. 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 the first supply path of power supply, and be in car load ON shelves are couple on the second supply path of power supply
Described method comprises step:
Operate described switching device when connecting the second supply path, disconnect the first supply path, and
When the second supply path disconnects, start module by electronic steering column lock module and one without key and carry out software logic and judge electronic steering column is locked.
6. method as claimed in claim 5 also comprises step:
Operate described switching device when disconnecting the second supply path, connect the first supply path.
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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
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| CN102285355A CN102285355A (en) | 2011-12-21 |
| CN102285355B true 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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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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 |
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| CN102285355A (en) | 2011-12-21 |
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