CN207554250U - The starting safety control kept off a car manually - Google Patents
The starting safety control kept off a car manually Download PDFInfo
- Publication number
- CN207554250U CN207554250U CN201721446288.0U CN201721446288U CN207554250U CN 207554250 U CN207554250 U CN 207554250U CN 201721446288 U CN201721446288 U CN 201721446288U CN 207554250 U CN207554250 U CN 207554250U
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- switch
- clutch
- engine controller
- starter relay
- starting
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Abstract
The utility model discloses a kind of starting safety controls kept off a car manually, including accumulator, starter relay, engine controller, start motor, ignition switch, brake switch, clutch upper switch and clutch lower switch；One end of ignition switch is connected with accumulator, the other end access engine controller of ignition switch；Brake switch is installed on brake pedal, and brake switch access engine controller；Clutch upper switch is installed on clutch pedal, and clutch upper switch access engine controller；Clutch lower switch is installed on clutch pedal, and clutch lower switch access engine controller；The P1 ends of starter relay are connect with engine controller, and the P2 ends of starter relay, the P4 ends of starter relay are connect respectively with accumulator, and the P3 ends of starter relay are connect with starting motor.The utility model is ensured just to be started when vehicle is in and starts safe condition, is improved starting safety, is extended the service life for starting motor.
Description
Technical field
The utility model belongs to vehicle safety control technology, and in particular to a kind of starting security control dress kept off a car manually
It puts.
Background technology
Car engine start mode common at present is to directly control starting motor by ignition switch, plays engine
It is dynamic.When i.e. ignition switch is to START grades, the coil of starter relay is powered, and starter relay is attracted, and starts motor at this time
Operation drives engine operating.Ignition switch is unclamped, starter relay disconnects, and starts motor stalls.
There are following risks for above this control mode：
（1）It lights a fire when transmission chain is in bonding state, starts motor operating, vehicle preshoot can be caused, safe thing occurs
Therefore.
（2）It is started when transmission chain is in bonding state, starts motor drag vehicle, load is big, is easy to cause starting electricity
Machine damages failure due to overtime overload operation.Therefore it needs to judge contemporary transmissions chain when driver is started by ignition switch
State avoids starting in transmission chain bonding state.
Invention content
The purpose of this utility model is to provide a kind of starting safety control kept off a car manually, to ensure to be in vehicle
It is just started when starting safe condition, can improve and start safety, while starter service life can be extended.
The starting safety control described in the utility model kept off a car manually, including accumulator, starter relay, starts
Machine controller starts motor, ignition switch, brake switch, clutch upper switch and clutch lower switch；
One end of the ignition switch is connected with accumulator, the other end access engine controller of ignition switch, in point
When fire switch is closed, start request signal is sent out to engine controller；
The brake switch is installed on brake pedal, and brake switch access engine controller；
The clutch upper switch is installed on clutch pedal, and clutch upper switch access engine controller；
The clutch lower switch is installed on clutch pedal, and clutch lower switch access engine controller；
The P1 ends of the starter relay are connect with engine controller, the P2 ends of starter relay, starter relay
P4 ends are connect respectively with accumulator, and the P3 ends of starter relay are connect with starting motor；
The engine controller judges transmission chain state according to the signal of clutch upper switch and clutch lower switch, and
Signal based on brake switch judges on-position；
The engine controller is controlled when receiving start request signal according to transmission chain state and on-position
The actuation or disconnection of starter relay start electric motor starting or stopping so as to controlling.
Further, when the clutch upper switch and clutch lower switch are in closed state；Or clutch upper switch
When being in closed state with brake switch；The engine controller controls starter relay is attracted, and starts motor work.
Further, during the P1 ends output low level of the engine controller controls starter relay, the starting relay
Device is attracted.
Further, during the P1 ends output high level of the engine controller controls starter relay, the starting relay
Device disconnects.
Further, when clutch is in half hitch conjunction state, the clutch upper switch is closed；
In when completely disengaging state, the clutch lower switch is closed clutch；
When brake pedal is operated, the brake switch is closed.
Further, when ignition switch is in START gears, the ignition switch exports high level to engine controller,
Otherwise ignition switch exports low level to engine controller.
The beneficial effects of the utility model：Engine controller is by sentencing transmission chain state and on-position
It is disconnected, just allow to start when ensuring that vehicle is in and starts safe condition, so as to improve starting safety, while extend starting
The service life of motor.
Description of the drawings
Fig. 1 is the functional block diagram of the utility model；
Fig. 2 is the flow chart of the utility model；
Fig. 3 is that safe condition decision flow chart is started in the utility model；
In figure：1- accumulators, 2- starter relays, 3- engine controllers, 4- start motor, 5- ignition switches, 6- systems
Dynamic switch, 7- clutch upper switch, 8- clutch lower switch.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
The starting safety control kept off a car manually as shown in Figure 1, including accumulator 1, starter relay 2, engine
Controller（That is ECU）3rd, motor 4, ignition switch 5, brake switch 6, clutch upper switch 7 and clutch lower switch 8 are started.
One end of the ignition switch 5 is connected with accumulator 1, the other end access engine controller 3 of ignition switch 5,
When detecting that ignition switch 5 is in START gears, i.e., when ignition switch 5 is in closure, ignition switch 5 exports high level to hair
Motivation controller 3 sends out start request signal to engine controller 3；Otherwise ignition switch 5 exports low level to engine
Controller 3.
The engine controller 3 judges transmission chain according to the signal of clutch upper switch 7 and clutch lower switch 8
State, and the signal based on brake switch 6 judges on-position.
The clutch upper switch 7 is installed on clutch pedal, and clutch upper switch 7 accesses engine controller 3；When
Driver steps on clutch pedal, and when so that the clutch is in half hitch conjunction state, clutch upper switch 7 is closed.Clutch lower switch 8 is pacified
Loaded on clutch pedal, when driver steps on clutch pedal on earth, when being in clutch to completely disengage state, under clutch
Switch 8 is closed, i.e., transmission chain is in and completely disengages state, when transmission chain, which is in, to be completely disengaged under state, allows to start.When driving
When the person of sailing is totally released clutch pedal, clutch upper switch 7 and clutch lower switch 8 disconnect.
The brake switch 6 is installed on brake pedal, and brake switch 6 accesses engine controller 3；When driver steps on
During brake pedal, brake switch 6 is closed, 6 input signal of brake switch to engine controller 3.The signal is ensureing vehicle
In on-position, it is ensured that vehicle will not preshoot during engine start.When clutch is in half hitch conjunction state, i.e. only clutch
During 7 set of upper switch, it is necessary to which vehicle is kept, which to be under on-position, just to be allowed to start engine.
The P1 ends of the starter relay 2 are connect with engine controller 3, the P2 ends of starter relay 2, starter relay
2 P4 ends are connect respectively with accumulator 1, and the P3 ends of starter relay 2 are connect with starting motor 4.
The engine controller 3 is when receiving start request signal, further according to transmission chain state and on-position
The actuation or disconnection of starter relay are controlled, so as to which starting motor 4 be controlled to start or stop.Engine controller 3 does not receive
Start request signal without any processing, starts motor 4 and does not work.
As shown in Fig. 2, the starting security control flow described in the utility model kept off a car manually, it is first determined whether driving
The person of sailing sends out start request signal, i.e., whether detects the closure signal of ignition switch 5, if so, then judging whether vehicle is located again
In starting safe condition, if so, engine controller 3 controls starter relay 2 to be attracted, start motor 4 and work, start motor
4 drive engine operating；If it is not, then engine controller 3 controls starter relay 2 to disconnect, start motor 4 and be stopped, send out
Motivation stops operating.
As shown in figure 3, the judgement vehicle is in the method for starting safe condition：
（1）When driver steps on clutch pedal on earth, clutch upper switch 7 is combined with clutch lower switch 8, is started at this time
Machine controller 3 judges that contemporary transmissions chain is in disengaged position, starts safety, allows to start engine.
（2）When driver steps on clutch pedal, but clutch pedal is not floored, clutch is in half hitch conjunction state, at this time
It needs to step on brake pedal, vehicle is applied and is braked.I.e. clutch lower switch 8 is not closed, and clutch upper switch 7 and brake switch
6 when combining, and engine controller 3 judges currently to start safe condition at this time, allows to start engine, does not otherwise allow to start
Engine.
In the utility model, when judging that vehicle is in starting safe condition, the control of engine controller 3 starts relay
The P1 ends output low level of device 2, the P2 ends of starter relay 2 are high level 12V, have electricity in the coil of starter relay 2 at this time
Stream flows through, and by the switch connection of starter relay 2, i.e. the P4 ends of starter relay 2 are connected with P3 ends, starts motor 4 by rising
The switch access 12V power supplys of motor type relay 2, start motor 4 and work, and then normal starting engine.
Starting motor 4 is controlled to work in engine controller 3, such as detect that non-driver sends out start request or whole
When vehicle is not in starting safe condition, engine controller 3 can control the P1 ends of starter relay 2 to export high level, start
The P2 ends of relay 2 are high level, do not have electric current to flow through in the coil of starter relay 2, and the switch of starter relay 2 disconnects,
Starting motor 4 and the connection of accumulator 1 are disconnected, it is out of service to start motor 4.
Claims (1)
1. a kind of starting safety control kept off a car manually, which is characterized in that including accumulator（1）, starter relay（2）、
Engine controller（3）, start motor（4）, ignition switch（5）, brake switch（6）, clutch upper switch（7）Under clutch
Switch（8）；
The ignition switch（5）One end and accumulator（1）It is connected, ignition switch（5）The other end access engine controller
（3）；
The brake switch（6）It is installed on brake pedal, and brake switch（6）Access engine controller（3）；
The clutch upper switch（7）It is installed on clutch pedal, and clutch upper switch（7）Access engine controller（3）；
The clutch lower switch（8）It is installed on clutch pedal, and clutch lower switch（8）Access engine controller（3）；
The starter relay（2）P1 ends and engine controller（3）Connection, starter relay（2）P2 ends, start relay
Device（2）P4 ends respectively with accumulator（1）Connection, starter relay（2）P3 ends with start motor（4）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721446288.0U CN207554250U (en) | 2017-11-02 | 2017-11-02 | The starting safety control kept off a car manually |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721446288.0U CN207554250U (en) | 2017-11-02 | 2017-11-02 | The starting safety control kept off a car manually |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207554250U true CN207554250U (en) | 2018-06-29 |
Family
ID=62681851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721446288.0U Active CN207554250U (en) | 2017-11-02 | 2017-11-02 | The starting safety control kept off a car manually |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207554250U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114537138A (en) * | 2022-04-26 | 2022-05-27 | 杭叉集团股份有限公司 | Control method and control system for safe starting of static pressure transmission industrial vehicle |
-
2017
- 2017-11-02 CN CN201721446288.0U patent/CN207554250U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114537138A (en) * | 2022-04-26 | 2022-05-27 | 杭叉集团股份有限公司 | Control method and control system for safe starting of static pressure transmission industrial vehicle |
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