CN201129250Y - Electric-controlled engine starting fuel sensing apparatus - Google Patents
Electric-controlled engine starting fuel sensing apparatus Download PDFInfo
- Publication number
- CN201129250Y CN201129250Y CNU2007200948870U CN200720094887U CN201129250Y CN 201129250 Y CN201129250 Y CN 201129250Y CN U2007200948870 U CNU2007200948870 U CN U2007200948870U CN 200720094887 U CN200720094887 U CN 200720094887U CN 201129250 Y CN201129250 Y CN 201129250Y
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- fuel
- pressure switch
- electrically connected
- engine
- electric
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- Expired - Fee Related
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- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
The utility model relates to a fuel sensor for starting an electronic controlled engine, which is characterized in that the fuel sensor comprises a diode, an indicating lamp and a fuel-pressure switch, the fuel-pressure switch is connected with a return circuit of a fuel supply system of an automobile engine, a forward conducting end of the diode is electrically connected with a relay coil of an electric fuel pump in a start control system of the automobile engine, a reverse cut-off end of the diode is electrically connected with the fuel-pressure switch, one end of the indicating lamp is electrically connected with a key switch, the other end of the indicating lamp is electrically connected with the fuel-pressure switch, and the diode and the fuel-pressure switch which are in electric connection in series are parallel and electrically connected with an engine electronic control unit of the start control system of the automobile engine. Before starting the automobile engine every time, the fuel sensor for starting an electronic controlled engine of the utility model can realize starting the engine by firstly enabling the fuel pressure to reach normal set value, and has the advantages of speedy starting, low requirements on sealing precision of the fuel supply system of the engine, long service lives of the fuel supply system of the engine, the engine and accumulators and the like.
Description
Technical field
The utility model relates to automobile electrically-controlled engine start fuel delivery field, is a kind of electric-control motor starting fuel oil perception device.
Background technique
Advantages such as have automobile electrically-controlled motor now, Air/Fuel Ratio can be controlled in the preferable scope, and it has power, good economy performance, and exhaust pollution is few.The pressure of the fuel oil supply system of motor generally is stabilized in about 300Kpa, but increase along with the distance travelled of automobile, the sealability variation of the electric fuel punp of the fuel oil supply system of motor, fuel pressure regulator and oil injecting nozzle, or because of the long-time stagnation of movement of automobile, the stronger permeability that has of fuel oil in addition, the capital reduces the fuel oil supply system pressure of motor, and the sealed precision of Sealing requires high usually; Though engine electric-controlled unit is generally controlled electric fuel punp in each prestart (or starting back), at first (or postpone) works several seconds, but when the pressure of the fuel oil supply system of motor does not reach normal setting value as yet, just connected starter motor, certainly will cause starter motor repeatedly to start, or make starter motor starting time lengthening, cause the reduction in starter motor and storage battery working life.
Summary of the invention
The purpose of this utility model is prior art is improved, provide a kind of before the motor of at every turn start-uping a car, after making fuel pressure reach normal setting value earlier, can pilot engine, it is fast to have priming speed, the fuel oil supply system sealed precision of motor requires low, the electric-control motor starting fuel oil perception device of the fuel oil supply system of motor, starter motor and storage battery long service life.
The purpose of this utility model is achieved through the following technical solutions: a kind of electric-control motor starting fuel oil perception device, its special way is: it comprises diode 3, tutorial light 2 and fuel-pressure switch 1, the filler opening of fuel-pressure switch 1 is connected with the oil purifier 11 of motor car engine fuel oil supply system, the oil outlet of fuel-pressure switch 1 is connected with fuel pressure regulator 13 filler openings with several oil sprayer 12 filler openings of motor car engine fuel oil supply system, the forward conduction end of diode 3 is electrically connected with electric fuel punp relay 6 coils of car engine start control system, oppositely being electrically connected with fuel-pressure switch 1 of diode 3 by end, fuel-pressure switch 1 is electrically connected with the ground wire of car engine start control system, one end of tutorial light 2 is electrically connected with key operation 4, the other end of tutorial light 2 is electrically connected with fuel-pressure switch 1, and diode 3 that is electrically connected in series and fuel-pressure switch 1 are electrically connected with engine electric-controlled unit 10 parallel connections of car engine start control system.
Electric-control motor starting fuel oil perception device of the present utility model, when needs are start-uped a car motor, at first open key operation, the electric fuel oil pump work is that the motor car engine fuel oil supply system is oil-filled, simultaneously, tutorial light is lighted, when the fuel pressure of motor car engine fuel oil supply system does not reach normal setting value, the car engine start control system is interlocked, and starter motor can not rotate; When the fuel pressure of motor car engine fuel oil supply system reached normal setting value, fuel-pressure switch disconnected, and tutorial light extinguishes, and can connect the car engine start control system, and the assurance motor car engine is started smoothly.Can realize start-uping a car before the motor at every turn, after making fuel pressure reach normal setting value earlier, can pilot engine, it is fast to have priming speed, the fuel oil supply system sealed precision of motor requires low, advantages such as the fuel oil supply system of motor, starter motor and storage battery long service life.
Description of drawings
Fig. 1 is connected to circuit theory diagrams in the car engine start control system for electric-control motor starting fuel oil perception device.
Fig. 2 is connected to oil circuit figure in the motor car engine fuel oil supply system for the fuel-pressure switch of electric-control motor starting fuel oil perception device.
Among the figure: 1 fuel-pressure switch, 2 tutorial light, 3 diodes, 4 key operationes, 5 electric fuel punps, 6 electric fuel punp relays, 7 storage batteries, 8 fuss, 9 starter motors, 10 engine electric-controlled units, 11 oil purifiers, 12 oil sprayers, 13 fuel pressure regulators, 14 fuel tanks.
Embodiment
The utility model is described in further detail to utilize drawings and Examples below.
With reference to Fig. 1, the car engine start control system is a prior art, it comprises storage battery 7, key operation 4, electric fuel punp relay 6, fus 8, electric fuel punp 5, starter motor 9 and engine electric-controlled unit 10, and storage battery 7 provides electric energy for the car engine start control system.
With reference to Fig. 2, the engine fuel supply system is a prior art, and it comprises electric fuel punp 5, oil purifier 11, oil sprayer 12, fuel pressure regulator 13 and fuel tank 14.
With reference to Fig. 1 and 2, electric-control motor starting fuel oil perception device comprises diode 3, tutorial light 2 and fuel-pressure switch 1.The filler opening of fuel-pressure switch 1 is connected with the oil purifier 11 of motor car engine fuel oil supply system, and the oil outlet of fuel-pressure switch 1 is connected with fuel pressure regulator 13 filler openings with several oil sprayer 12 filler openings of motor car engine fuel oil supply system.The forward conduction end of diode 3 is electrically connected with electric fuel punp relay 6 coils of car engine start control system, oppositely being electrically connected with fuel-pressure switch 1 of diode 3 by end, fuel-pressure switch 1 is electrically connected with the ground wire of car engine start control system, one end of tutorial light 2 is electrically connected with key operation 4, and the other end of tutorial light 2 is electrically connected with fuel-pressure switch 1.Fuel-pressure switch 1, tutorial light 2, diode 3, key operation 4, electric fuel punp 5, electric fuel punp relay 6, storage battery 7, fus 8, starter motor 9, engine electric-controlled unit 10, oil purifier 11 and fuel pressure regulator 13 are the commercially available prod.
1. when opening key operation 4 set positions, when the oil pressure of motor car engine fuel oil supply system is lower than normal setting value, fuel-pressure switch 1 closure, storage battery 7, key operation 4, electric fuel punp relay 6 coils, diode 3 and fuel-pressure switch 1 constitute the loop, electric fuel punp relay 6 coils get, relay 6 normally opened contact closures, electric fuel punp 5 work.Simultaneously, storage battery 7, key operation 4, tutorial light 2 and fuel-pressure switch 1 constitute the loop, and tutorial light 2 is lighted and the oil pressure of display automobile engine fuel supply system does not reach normal setting value as yet.
2. when the oil pressure of motor car engine fuel oil supply system reaches normal setting value, the normally-closed contact of fuel-pressure switch 1 disconnects, tutorial light 2 extinguishes, can carry out engine start, if play a dynamic control signal with fuel-pressure switch 1 conduct, when the oil pressure of motor car engine fuel oil supply system did not reach normal setting value as yet, starter motor 9 was interlocked, and can not work.
3. after the motor car engine proper functioning, electric fuel punp 5 is controlled by engine electric-controlled unit 10 (being ECU).
Claims (1)
1. an electric-control motor starts the fuel oil perception device, it is characterized in that: it comprises diode (3), tutorial light (2) and fuel-pressure switch (1), the filler opening of fuel-pressure switch (1) is connected with the oil purifier (11) of motor car engine fuel oil supply system, the oil outlet of fuel-pressure switch (1) is connected with fuel pressure regulator (13) filler opening with several oil sprayers (12) filler opening of motor car engine fuel oil supply system, the forward conduction end of diode (3) is electrically connected with electric fuel punp relay (6) coil of car engine start control system, oppositely being electrically connected with fuel-pressure switch (1) of diode (3) by end, fuel-pressure switch (1) is electrically connected with the ground wire of car engine start control system, one end of tutorial light (2) is electrically connected with key operation (4), the other end of tutorial light (2) is electrically connected with fuel-pressure switch (1), and diode that is electrically connected in series (3) and fuel-pressure switch (1) are electrically connected with the engine electric-controlled unit (10) of car engine start control system is in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200948870U CN201129250Y (en) | 2007-12-25 | 2007-12-25 | Electric-controlled engine starting fuel sensing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200948870U CN201129250Y (en) | 2007-12-25 | 2007-12-25 | Electric-controlled engine starting fuel sensing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201129250Y true CN201129250Y (en) | 2008-10-08 |
Family
ID=40017092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200948870U Expired - Fee Related CN201129250Y (en) | 2007-12-25 | 2007-12-25 | Electric-controlled engine starting fuel sensing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201129250Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594364A (en) * | 2020-06-30 | 2020-08-28 | 广西玉柴机器股份有限公司 | Starter integrated with fuel oil delivery pump and control method |
-
2007
- 2007-12-25 CN CNU2007200948870U patent/CN201129250Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594364A (en) * | 2020-06-30 | 2020-08-28 | 广西玉柴机器股份有限公司 | Starter integrated with fuel oil delivery pump and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |