CN201525375U - Control system for starter of manual transmission car - Google Patents
Control system for starter of manual transmission car Download PDFInfo
- Publication number
- CN201525375U CN201525375U CN2009200743969U CN200920074396U CN201525375U CN 201525375 U CN201525375 U CN 201525375U CN 2009200743969 U CN2009200743969 U CN 2009200743969U CN 200920074396 U CN200920074396 U CN 200920074396U CN 201525375 U CN201525375 U CN 201525375U
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Abstract
The utility model discloses a control system for a starter of a manual transmission car. The control system comprises a controller which is circumscribed with a detected starting intention signal. The control system further comprises a transmission chain state relay, a starting relay, a transmission neutral gear switch and a clutch low level switch; a gear state switch comprises an on-gear normally open branch contact point; the clutch low level switch comprises a clutch combination normally open branch contact point; when the starting intention signal circumscribed with the controller shows that a starting is intended, if the on-gear normally open branch contact point or the clutch combination normally open branch contact point is closed, a transmission chain state signal input terminal of the controller is grounded, and a starting control signal output terminal of the controller outputs a low level, so that the starter is controlled to operate. The control system provided by the utility model ensures that the starter can only run under the premise that the transmission chain slips off.
Description
Technical field
The utility model relates to automotive electronic technology, particularly a kind of starter control system of manually keeping off a car.
Background technology
As everyone knows, the starting of driving engine needs the support of external force, and automobile starter is being played the part of this role exactly.Starter can be converted into mechanical energy with the electric energy of storage battery, drives the starting that the engine flywheel rotation realizes driving engine.Taking it by and large, starter is realized whole starting process with three parts.DC motor is introduced from the electric current of storage battery and is made the driven wheel of starter produce mechanical movement; Transmission device engages into flywheel crown gear with driven wheel, can throw off automatically behind engine starting simultaneously; The break-make of starter circuit capable is then controlled by an electromagnetic switch.
The control of starter, for conventional key starting, because chaufeur is in the control loop, chaufeur can carry out the starter operation by the later actual feedback of key fire an engine:
(1) in the engine starting success, unclamps the key fire switch, starter is thrown off with driving engine contact, avoid beating tooth and damage starter or driving engine.
(2) if chaufeur (be power-transfer clutch in conjunction with and gear at retaining) starting under the state of messenger chain combination accidentally, vehicle generation preshoot, chaufeur can be aborted the start by unclamping the key fire switch.
But, chaufeur is manually controlled starter, make a mistake easily, if under the state of messenger chain combination, the starting of chaufeur control starter, can cause vehicle to drive and be subjected to displacement suddenly, not only can damage related components such as starter, driving engine, more near the personnel vehicle be caused potential threat by starter.
The control of the starter that has now, in fact the role of chaufeur is replaced by the starter controller, start judgement by controller according to the chaufeur starting intention (for example chaufeur triggering starter button) that monitoring obtains, when the starting intention signal that obtains according to monitoring when controller determines that according to control policy chaufeur has the starting intention, the starting control signal output ends output starter control command control starter of controller brings into operation, but existing starter controller might wrong send the starter control command of not expecting, starter is turned round under the messenger chain bonding state, causing vehicle to be driven by starter is subjected to displacement suddenly, not only can damage starter, related components such as driving engine more cause potential threat near the personnel vehicle.
The utility model content
The technical problems to be solved in the utility model provides a kind of starter control system of manually keeping off a car, and only can guarantee that starter could turn round under the prerequisite that messenger chain is thrown off.
For solving the problems of the technologies described above, the starter control system of manually keeping off a car of the present utility model comprises controller, the external starting intention signal that monitors of described controller, it is characterized in that, also comprise messenger chain state relay, starting relay, shifting state switch, power-transfer clutch low-side switch; Described shifting state switch comprises that gear is in the normal spending of retaining contact, road, described power-transfer clutch low-side switch comprises that power-transfer clutch is in conjunction with normal spending contact, road, described gear is an end ground connection of normal pay wages contact, road and the normal spending of described power-transfer clutch combination contact, road of retaining, described gear is at the messenger chain status signal input end of another termination controller of the other end that keeps off normal spending contact, road and the normal contact, road of paying wages of described power-transfer clutch combination, coil one termination power of described starting relay just, the starting control signal output ends of another termination controller, open contact one termination power of described starting relay just, the coil of another termination messenger chain state relay and an end of open contact, the messenger chain status signal input end of another termination controller of the coil of described messenger chain state relay, the other end of the open contact of messenger chain state relay is as starter circuit capable starting control power end;
When the external starting that monitors of controller intention signal when the intention of starting state is arranged, when if the change speed gear box gear of manually keeping off a car is positioned at neutral or throw-out-of clutch, described gear is in the retaining normal spending road closing of contact or the normal spending of the power-transfer clutch combination road closing of contact, the messenger chain status signal input end grounding of controller, this moment controller starting control signal output ends output low level, the coil electricity stream of starting relay, make the open contact closure of starting relay, the coil electricity of messenger chain state relay, make the open contact closure of messenger chain state relay, thereby power up to starter, make the starter operation.
Described shifting state switch can be two-way tap, comprise that gear is keeping off normal spending two groups of contacts, contact, road in retaining normally closed branch road contact and gear, gear is opposite at the on off mode of the normal spending of retaining two groups of contacts, contact, road in retaining normally closed branch road contact and gear, described power-transfer clutch low-side switch can be two-way tap, comprise power-transfer clutch in conjunction with normally closed branch road contact and the normal spending of power-transfer clutch combination two groups of contacts, contact, road, power-transfer clutch is opposite in conjunction with the on off mode of the normal two groups of contacts, contact, road of paying wages in conjunction with normally closed branch road contact and power-transfer clutch; Described gear is the normally closed branch road of retaining contact one end ground connection, the gear of an other termination controller is at the retaining signal input part, described power-transfer clutch is in conjunction with normally closed branch road contact one end ground connection, the power-transfer clutch binding signal input end of another termination controller, described gear in retaining normal spending contact, road and described power-transfer clutch in conjunction with an end ground connection of normal spending contact, road, described gear is at the other end of the normal spending of retaining contact, road and the described power-transfer clutch messenger chain status signal input end in conjunction with another termination controller of normal spending contact, road;
When gear all be a low level at retaining signal and power-transfer clutch binding signal, and the messenger chain status signal of controller judges that then incoming signal is wrong when being low level, and the starting control signal output ends of controller is exported high level.
Can also comprise the key fire switch, described key fire switch is connected to the two ends of the open contact of described starting relay, when car key pushes the starting position, and described key fire switch closure.
The starter control system of manually keeping off a car of the present utility model can be guaranteed not move under the state of messenger chain combination in that starter does not take place under any state, thereby avoid causing vehicle that unexpected displacement takes place.
Description of drawings
Below in conjunction with the drawings and the specific embodiments the utility model is described in further detail.
Fig. 1 is the circuit diagram of starter control system one embodiment of manually keeping off a car of the present utility model.
The specific embodiment
Of the present utility modelly manually keep off a car starter control system one embodiment as shown in Figure 1, comprise controller 1, messenger chain state relay 4, starting relay 2, key fire switch 3, shifting state switch 5, power-transfer clutch low-side switch 6.The external starting intention signal 10 that monitors of described controller, described shifting state switch 5 comprises that gear is in the normal spending of retaining contact, road, described power-transfer clutch low-side switch 6 comprises that power-transfer clutch is in conjunction with normal spending contact, road, described gear is an end ground connection of normal pay wages contact, road and the normal spending of described power-transfer clutch combination contact, road of retaining, the other end 52 and the described power-transfer clutch of described gear in the normal spending of retaining contact, road connects controller in conjunction with the other end 62 of normal spending contact, road messenger chain status signal input end 12, coil one termination power of starting relay 2 just, the starting control signal output ends 11 of another termination controller, open contact one termination power of starting relay 2 just, the coil of another termination messenger chain state relay 4 and an end of open contact, the messenger chain status signal input end 12 of another termination controller of the coil of messenger chain state relay 4, the other end of the open contact of messenger chain state relay 4 is as starter circuit capable starting control power end.
When the external starting that the monitors intention signal 10 of controller 1 when the intention of starting state is arranged, when if the change speed gear box gear of manually keeping off a car is positioned at neutral or throw-out-of clutch, described gear is in the retaining normal spending road closing of contact or the normal spending of the power-transfer clutch combination road closing of contact, messenger chain status signal input end 12 ground connection of controller, this moment controller starting control signal output ends 11 output low levels, the coil electricity stream of starting relay 2, make the open contact closure of starting relay 2, the coil electricity stream of messenger chain state relay 4, make the open contact closure of messenger chain state relay 4, thereby power up for starter 7, make starter 7 operations.
In order to prevent that the control circuit et out of order from causing the risk of starting when messenger chain is not thrown off, the control circuit of the starter control system of manually keeping off a car shown in Figure 1 is the form of redundant circuit, shifting state switch 5 in the circuit is a two-way tap, comprise that gear is keeping off normal spending two groups of contacts, contact, road in retaining normally closed branch road contact and gear, gear is opposite at the on off mode of the normal spending of retaining two groups of contacts, contact, road in retaining normally closed branch road contact and gear, described power-transfer clutch low-side switch 6 is a two-way tap, comprise power-transfer clutch in conjunction with normally closed branch road contact and the normal spending of power-transfer clutch combination two groups of contacts, contact, road, power-transfer clutch is opposite in conjunction with the on off mode of the normal two groups of contacts, contact, road of paying wages in conjunction with normally closed branch road contact and power-transfer clutch; Described gear is the normally closed branch road of retaining contact one end ground connection, the gear of an other termination controller is at retaining signal input part 51, described power-transfer clutch is in conjunction with normally closed branch road contact one end ground connection, the power-transfer clutch binding signal input end 61 of another termination controller, described gear is an end ground connection of keeping off the normal contact, road of paying wages of contact, road and described power-transfer clutch combination of often paying wages, and described gear connects the messenger chain status signal input end 12 of controller in conjunction with the other end 62 of the contact, road of often paying wages at the other end 52 that keeps off the contact, road of often paying wages and described power-transfer clutch.
The diagnosis strategy of controller can use gear to originate as the positive misinterpretation of messenger chain status signal at retaining signal and power-transfer clutch binding signal by the messenger chain status signal of controller, the gear of controller are compared diagnosis at the power-transfer clutch binding signal of retaining signal and controller.In case the inconsistent situation of indicating status takes place, all is low level as working as gear at retaining signal and power-transfer clutch binding signal, and the messenger chain status signal of controller is when being low level, judge that then the messenger chain status signal is wrong, the starting control signal output ends 11 output high level of controller, the coil of starting relay 2 can not galvanization, can not make the open contact closure of starting relay 2, the coil of messenger chain state relay 4 can not be switched on, can not make the open contact closure of messenger chain state relay 4, thereby can not power up to starter, can not make starter operation, prevent the fault that control circuit takes place and cause the risk of starting when messenger chain is not thrown off.
And the starter control system of manually keeping off a car of the present utility model, even if following situation takes place: controller failure, starting control signal output ends 11 is shorted to ground, or the open contact of starting relay 2 can't be thrown off contact, because the open contact of the coil one termination starting relay 2 of messenger chain state relay 4, another termination messenger chain status signal input end 12, so only in the open contact closure (or key fire switch 3 closures) of starting relay, and messenger chain status signal input end 12 is (indication throw-out-of clutch or a neutral state under the connected to chassis state, be the state that messenger chain is thrown off), starter 7 just can be powered operation.And under the situation of messenger chain status signal input end 12 earth-free (being under the state of messenger chain combination), even above-mentioned fault takes place for controller 1 or starting relay 2, the unexpected starter that also can not cause taking place under the messenger chain bonding state moves.
The contact of starting relay 2 is a normally open, controlled device plays dynamic control signal control, when controller is exported starting command according to control policy, controller starting control signal output ends 11 drags down level, starting relay 2 closings of contact finish up to starting command, starting control signal output ends 11 is recovered level, and the open contact of starting relay 2 recovers off state.
The coil tandem of messenger chain state relay 4 is after the contact of starting relay 2, the other end is switched to ground by gear at the normal circuit parallel of paying wages contact, road and the normal spending of power-transfer clutch combination contact, road of retaining, having only the contact when starting relay 2 is closure state, and when gear is often paid wages the normal spending of contact, road or the power-transfer clutch combination road closing of contact at retaining, the coil of messenger chain state relay 4 is just understood galvanization, and the open contact of messenger chain state relay 4 just can closedly be connected starter circuit capable.Because under the situation of normal driving, starting relay 2 is an off state, so messenger chain state relay 4 can effectively not improve the relay life-span continually along with power-transfer clutch and shifting state action.
As shown in Figure 1, also comprise key fire switch 3, described key fire switch 3 is connected to the two ends of the open contact of described starting relay 2, when car key pushes the starting position, and described key fire switch closure.Key fire switch 3 and starting relay 2 are the same also need could power to starter by messenger chain state relay 4, even chaufeur is not that starter also can be powered when mistake was used key fire switch 3 fire an engines under the disengaged condition at messenger chain.
The starter control system of manually keeping off a car of the present utility model can be guaranteed not move under the state of messenger chain combination in that starter does not take place under any state, thereby avoid causing vehicle that unexpected displacement takes place.
Claims (3)
1. the starter control system of manually keeping off a car comprises controller, and the external starting intention signal that monitors of described controller is characterized in that,
Also comprise messenger chain state relay, starting relay, shifting state switch, power-transfer clutch low-side switch; Described shifting state switch comprises that gear is in the normal spending of retaining contact, road, described power-transfer clutch low-side switch comprises that power-transfer clutch is in conjunction with normal spending contact, road, described gear is an end ground connection of normal pay wages contact, road and the normal spending of described power-transfer clutch combination contact, road of retaining, described gear is at the messenger chain status signal input end of another termination controller of the other end that keeps off normal spending contact, road and the normal contact, road of paying wages of described power-transfer clutch combination, coil one termination power of described starting relay just, the starting control signal output ends of another termination controller, open contact one termination power of described starting relay just, the coil of another termination messenger chain state relay and an end of open contact, the messenger chain status signal input end of another termination controller of the coil of described messenger chain state relay, the other end of the open contact of messenger chain state relay is as starter circuit capable starting control power end;
When the external starting that monitors of controller intention signal when the intention of starting state is arranged, when if the change speed gear box gear of manually keeping off a car is positioned at neutral or throw-out-of clutch, described gear is in the retaining normal spending road closing of contact or the normal spending of the power-transfer clutch combination road closing of contact, the messenger chain status signal input end grounding of controller, this moment controller starting control signal output ends output low level, the coil electricity stream of starting relay, make the open contact closure of starting relay, the coil electricity of messenger chain state relay, make the open contact closure of messenger chain state relay, thereby power up to starter, make the starter operation.
2. the starter control system of manually keeping off a car according to claim 1 is characterized in that,
Described shifting state switch is a two-way tap, comprise that gear is keeping off normal spending two groups of contacts, contact, road in retaining normally closed branch road contact and gear, gear is opposite at the on off mode of the normal spending of retaining two groups of contacts, contact, road in retaining normally closed branch road contact and gear, described power-transfer clutch low-side switch is a two-way tap, comprise power-transfer clutch in conjunction with normally closed branch road contact and the normal spending of power-transfer clutch combination two groups of contacts, contact, road, power-transfer clutch is opposite in conjunction with the on off mode of the normal two groups of contacts, contact, road of paying wages in conjunction with normally closed branch road contact and power-transfer clutch; Described gear is the normally closed branch road of retaining contact one end ground connection, the gear of an other termination controller is at the retaining signal input part, described power-transfer clutch is in conjunction with normally closed branch road contact one end ground connection, the power-transfer clutch binding signal input end of another termination controller, described gear in retaining normal spending contact, road and described power-transfer clutch in conjunction with an end ground connection of normal spending contact, road, described gear is at the other end of the normal spending of retaining contact, road and the described power-transfer clutch messenger chain status signal input end in conjunction with another termination controller of normal spending contact, road;
When gear all be a low level at retaining signal and power-transfer clutch binding signal, and the messenger chain status signal of controller judges that then incoming signal is wrong when being low level, and the starting control signal output ends of controller is exported high level.
3. the starter control system of manually keeping off a car according to claim 1 and 2, it is characterized in that also comprise the key fire switch, described key fire switch is connected to the two ends of the open contact of described starting relay, when car key pushes the starting position, described key fire switch closure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200743969U CN201525375U (en) | 2009-08-12 | 2009-08-12 | Control system for starter of manual transmission car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200743969U CN201525375U (en) | 2009-08-12 | 2009-08-12 | Control system for starter of manual transmission car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201525375U true CN201525375U (en) | 2010-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200743969U Expired - Lifetime CN201525375U (en) | 2009-08-12 | 2009-08-12 | Control system for starter of manual transmission car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201525375U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994627B (en) * | 2009-08-12 | 2012-11-07 | 联合汽车电子有限公司 | Control system for starter of manual-transmission vehicle |
| CN103465899A (en) * | 2013-09-23 | 2013-12-25 | 湖南南车时代电动汽车股份有限公司 | Engine start control system and method for hybrid vehicle |
| CN104315041B (en) * | 2014-08-21 | 2017-01-04 | 无锡压缩机股份有限公司 | A kind of vehicle-mounted compressor power is transferred from autocontrol system |
| CN114962110A (en) * | 2022-06-29 | 2022-08-30 | 东风汽车集团股份有限公司 | Control system and control method for automobile safety starter |
-
2009
- 2009-08-12 CN CN2009200743969U patent/CN201525375U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994627B (en) * | 2009-08-12 | 2012-11-07 | 联合汽车电子有限公司 | Control system for starter of manual-transmission vehicle |
| CN103465899A (en) * | 2013-09-23 | 2013-12-25 | 湖南南车时代电动汽车股份有限公司 | Engine start control system and method for hybrid vehicle |
| CN103465899B (en) * | 2013-09-23 | 2016-06-29 | 湖南南车时代电动汽车股份有限公司 | A kind of series-parallel connection car engine starts and controls system and method |
| CN104315041B (en) * | 2014-08-21 | 2017-01-04 | 无锡压缩机股份有限公司 | A kind of vehicle-mounted compressor power is transferred from autocontrol system |
| CN114962110A (en) * | 2022-06-29 | 2022-08-30 | 东风汽车集团股份有限公司 | Control system and control method for automobile safety starter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100714 Effective date of abandoning: 20090812 |
|
| RGAV | Abandon patent right to avoid regrant |