CN105370422B - Engine electric-controlled monomer pump controller - Google Patents
Engine electric-controlled monomer pump controller Download PDFInfo
- Publication number
- CN105370422B CN105370422B CN201510956624.5A CN201510956624A CN105370422B CN 105370422 B CN105370422 B CN 105370422B CN 201510956624 A CN201510956624 A CN 201510956624A CN 105370422 B CN105370422 B CN 105370422B
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- China
- Prior art keywords
- module
- circuit
- signal processing
- drive circuit
- master chip
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
- F02D41/406—Electrically controlling a diesel injection pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/2003—Output circuits, e.g. for controlling currents in command coils using means for creating a boost voltage, i.e. generation or use of a voltage higher than the battery voltage, e.g. to speed up injector opening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/2068—Output circuits, e.g. for controlling currents in command coils characterised by the circuit design or special circuit elements
Abstract
The invention discloses a kind of engine electric-controlled monomer pump controller, input signal processing module, master chip circuit module, actuator driven module and the monomer pump control module being connected including power regulator module and respectively with voltage Voltage stabilizing module output end, the input of the master chip circuit module is connected with the output end of input signal processing module, and the output end of master chip circuit module is connected with actuator driven module and monomer pump control module respectively.The present invention is used for single cylinder engine engine job control, can realize that the accurate of engine monoblock pump solenoid fuel injection valve reasonably controls according to different operating modes, engine is always worked in optimum state.Monomer pump control module in the present invention controls booster circuit to boost by boost control chip, to electromagnetic valve coil using high voltage startup, the two-line voltage synthesis circuit of low pressure operation, reduces loss, improves reliability.
Description
Technical field
The present invention relates to technical field of automobile engine, particularly a kind of control device of engine electric-controlled monoblock pump.
Background technology
As national legislation is to non-rice habitats engineering machinery emission request more and more higher, common mechanical oil pump has been difficult full
Sufficient emission request, monoblock pump controls formula injection pump as a kind of new time, because its oil spout precision is substantially better than traditional location control
Standard injection pump, and there is good oil product tolerance, it is small, compatible good that conventional diesel engine is changed, and the construction cycle is short, into
This is relatively low, therefore is widely used in non-rice habitats engineering machinery.
Engine monoblock pump in the course of the work, controls, to cause the property of engine usually using monomer pump controller
It can completely be played and discharge and can and reach national requirements.However, current engine electric-controlled monoblock pump control technology is substantially
Monopolized by foreign countries, the demand increasing to monomer pump engine in face of non-rice habitats market, be badly in need of a kind of engine now
Electronically controlled unit pump controller meets the domestic increasing market demand.
The content of the invention
The technical problem to be solved in the invention is to provide a kind of engine electric-controlled monomer pump controller, enables basis
Different operating modes accurately reasonably control the work of monoblock pump solenoid fuel injection valve, engine is always worked at optimum state.
In order to solve the above technical problems, the technical solution used in the present invention is as follows.
Engine electric-controlled monomer pump controller, including power regulator module and respectively with voltage Voltage stabilizing module output end connect
Input signal processing module, master chip circuit module, actuator driven module and the monomer pump control module connect, the master chip
The input of circuit module is connected with the output end of input signal processing module, and the output end of master chip circuit module is respectively with holding
Row device drive module connects with monomer pump control module.
Above-mentioned engine electric-controlled monomer pump controller, the master chip circuit module are also associated with CAN communication module, CAN
The master chip of communication module is TLE6251G.
Above-mentioned engine electric-controlled monomer pump controller, the input signal processing module include analog signal processing circuit,
Digital signal processing circuit and switching signal processing circuit.
Above-mentioned engine electric-controlled monomer pump controller, the monomer pump control module include booster circuit, boosting rectifier control core
Piece, driving chip, high pressure flash drive circuit, low pressure flash drive circuit and low side drive circuit, the boosting rectifier control core
Piece connects the PWM control terminals of master chip circuit module with the input of driving chip, and the output end connection of boost control chip rises
The input of volt circuit, the output end of booster circuit and the output end of driving chip respectively with high pressure flash drive circuit, low
Press the connection of the controlled end of flash drive circuit and low side drive circuit；The electromagnetic valve coil of the monoblock pump is serially connected in high pressure height
While drive circuit and it is low while drive circuit and low pressure flash drive circuit and low side drive circuit between.
It is as follows as a result of above technical scheme, the invention technological progress.
The present invention is used for single cylinder engine engine job control, and engine monoblock pump oil spout electricity can be realized according to different operating modes
The accurate of magnet valve reasonably controls, and engine is always worked in optimum state.Monomer pump control module in the present invention passes through
Boost control chip control booster circuit boosting, to electromagnetic valve coil using high voltage startup, the two-line voltage synthesis electricity of low pressure operation
Road, loss is reduced, improves reliability.
Brief description of the drawings
Fig. 1 is the structured flowchart of the present invention；
Fig. 2 is the structured flowchart of power regulator module of the present invention；
Fig. 3 is the structured flowchart of master chip circuit module of the present invention；
Fig. 4 is the circuit diagram of CAN communication module of the present invention；
Fig. 5 is the structured flowchart of actuator driven module of the present invention；
Fig. 6 is the structured flowchart of monomer pump control module of the present invention；
Fig. 7 is the circuit diagram of digital signal processing circuit of the present invention；
Fig. 8 is the circuit diagram of analog signal processing circuit of the present invention；
Fig. 9 is the circuit diagram of switching signal processing circuit of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be described in further detail.
A kind of engine electric-controlled monomer pump controller, its structure as shown in figure 1, including power regulator module and respectively with
The input signal processing module of voltage Voltage stabilizing module output end connection, master chip circuit module, actuator driven module, monoblock pump
Control module and CAN communication module；The input of master chip circuit module is connected with the output end of input signal processing module, main
The output end of chip circuit module is connected with actuator driven module and monomer pump control module respectively, master chip circuit module with
CAN communication module is in communication with each other.
The structure of power regulator module is as shown in Fig. 2 including power supply master chip TLE4471, power protecting circuit and electricity
Power filter, the power supply master chip TLE4471 input output end with power protecting circuit and electric source filter circuit respectively
Connection.The input connection battery power of power protecting circuit, for protection power source master chip, including anti-overflow, anti-overvoltage with
And reverse-connection preventing circuit etc..Power supply master chip TLE4471 exports the road 5V voltage signals of 450mA, 100mA, 50mA tri- simultaneously.
Input signal processing module includes analog signal processing circuit, digital signal processing circuit and switching signal processing
Circuit.Analog signal processing circuit is used for handling analog signalses, and the circuit diagram of analog signal processing circuit is such as in the present embodiment
Shown in Fig. 8, master chip MAX9924.Digital signal processing circuit is used for handling digital quantity signal, data signal in the present embodiment
The circuit diagram of process circuit is as shown in fig. 7, master chip is NCV1413.Switching signal processing circuit is used for handling on-off model,
The circuit diagram of digital signal processing circuit is as shown in Figure 9 in the present embodiment.
The structure of master chip circuit module is as shown in figure 3, the master chip including being responsible for logic control
MC9S12XEP100MAL, clock signal circuit and peripheral filter circuits, master chip are obtained after being handled by input signal processing module
Signal after, corresponding control instruction is exported, through actuator driven module and monomer pump control module control controlled device by just
Normal logic working.
The major control of actuator driven module is such as high low speed water pump, relay, electronic fan, heater plug, indicator lamp
Various miscellaneous functions.In the present invention, the structure of actuator driven module as shown in figure 5, including actuator driven chip L9825,
Actuator driven chip L9825 is communicated by SPI and master chip, the road drive signal outputs of Bing You eight.
Monomer pump control module is used for driving single pump electromagnetic valve oil spout to act, and coordinates to control by high-low pressure, makes oil spout
Magnetic valve quick response simultaneously maintains low power consumption.In the present invention, the structure of monomer pump control module is as shown in fig. 6, including boosting
Circuit, boost control chip, driving chip, high pressure flash drive circuit, low pressure flash drive circuit, low side drive circuit and
Current sampling circuit, boost control chip use TLE8386-2EL, and driving chip uses IR2101S.
Boost control chip connects the PWM control terminals of master chip with the input of driving chip, boost control chip it is defeated
Go out the input of end connection booster circuit, voltage up control signal is transferred to booster circuit, booster circuit is fed back signal to simultaneously
Boost control chip；The output end of booster circuit and the output end of driving chip respectively with high pressure flash drive circuit, low pressure
The controlled end of flash drive circuit and low side drive circuit connects.The electromagnetic valve coil of monoblock pump is serially connected in the driving of high pressure flash
Circuit and it is low in drive circuit and low pressure flash drive circuit and it is low while drive circuit between.Current sampling circuit is serially connected in low
Between side drive circuit and ground.
Monomer pump control module is by controlling boost control chip to be charged to booster circuit, by controlling driving chip to distinguish
High pressure flash drive circuit, low pressure flash drive circuit, the working condition of low side drive circuit are adjusted, to control monoblock pump oil spout
Electromagnetic valve work, current sampling circuit are used to gather the electric current on drive circuit.
The circuit of CAN communication module passes through communication interface and realized with outside as shown in figure 4, its master chip is TLE6251G
Connection.Diagnostic equipment or technical staff and the man-machine communication of control system can be realized by CAN communication module, to engine work
Condition or failure are monitored diagnosis.
The present invention operation principle be：After energization, power regulator module provides stable hold to each module for needing 5V to power
Continuous 5V voltages；Secondly, signal of the collection engine sensor under various operating modes, signal are divided into analog signal, data signal
And on-off model, dutycycle, on-off model are turned by analog signal processing circuit partial pressure, digital signal processing circuit respectively
The mode for turning low and high level is handled, and is converted into the data that master chip circuit module can identify；Master chip is to these data
Analyzed and processed, compare the program and data of inside, select corresponding control strategy to pass through monomer pump control module and execution
Device drive module controls magnetic valve and other devices to work.
Claims (3)
1. engine electric-controlled monomer pump controller, it is characterised in that：Including power regulator module and respectively with voltage voltage stabilizing mould
Input signal processing module, master chip circuit module, actuator driven module and the monomer pump control module of block output end connection,
The input of the master chip circuit module is connected with the output end of input signal processing module, the output of master chip circuit module
End is connected with actuator driven module and monomer pump control module respectively；The monomer pump control module includes booster circuit, risen
Press control chip, driving chip, high pressure flash drive circuit, low pressure flash drive circuit and low side drive circuit, the liter
Pressure control chip connects the PWM control terminals of master chip circuit module, the output of boost control chip with the input of driving chip
The input of end connection booster circuit, the output end of booster circuit and the output end of driving chip drive with high pressure flash respectively
The controlled end connection of circuit, low pressure flash drive circuit and low side drive circuit；The electromagnetic valve coil concatenation of the monoblock pump
High pressure flash drive circuit and it is low in drive circuit and low pressure flash drive circuit and it is low while drive circuit between.
2. engine electric-controlled monomer pump controller according to claim 1, it is characterised in that：The master chip circuit module
CAN communication module is also associated with, the master chip of CAN communication module is TLE6251G.
3. engine electric-controlled monomer pump controller according to claim 1, it is characterised in that：The input signal handles mould
Block includes analog signal processing circuit, digital signal processing circuit and switching signal processing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510956624.5A CN105370422B (en) | 2015-12-18 | 2015-12-18 | Engine electric-controlled monomer pump controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510956624.5A CN105370422B (en) | 2015-12-18 | 2015-12-18 | Engine electric-controlled monomer pump controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105370422A CN105370422A (en) | 2016-03-02 |
| CN105370422B true CN105370422B (en) | 2018-04-10 |
Family
ID=55372958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510956624.5A Active CN105370422B (en) | 2015-12-18 | 2015-12-18 | Engine electric-controlled monomer pump controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105370422B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113589733B (en) * | 2021-08-04 | 2023-02-14 | 江苏远泰电器有限公司 | Fan water pump control device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201650475U (en) * | 2010-03-03 | 2010-11-24 | 中国一拖集团有限公司 | Electric control unit pump fuel injector driver |
| CN201650471U (en) * | 2010-03-03 | 2010-11-24 | 中国一拖集团有限公司 | Electronic control unit of unit pump of diesel engine |
| CN102486131A (en) * | 2010-12-06 | 2012-06-06 | 联创汽车电子有限公司 | Driving diagnosis and protection circuit for fuel injector |
| CN103912391A (en) * | 2013-01-05 | 2014-07-09 | 联创汽车电子有限公司 | Engine oil injection control system |
| CN105041535A (en) * | 2015-07-24 | 2015-11-11 | 苏州市大力电器有限公司 | High-performance driving device used for fuel injector electromagnetic valve |
| CN205190050U (en) * | 2015-12-18 | 2016-04-27 | 无锡隆盛科技股份有限公司 | Engine electric control monoblock pump controller |
-
2015
- 2015-12-18 CN CN201510956624.5A patent/CN105370422B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201650475U (en) * | 2010-03-03 | 2010-11-24 | 中国一拖集团有限公司 | Electric control unit pump fuel injector driver |
| CN201650471U (en) * | 2010-03-03 | 2010-11-24 | 中国一拖集团有限公司 | Electronic control unit of unit pump of diesel engine |
| CN102486131A (en) * | 2010-12-06 | 2012-06-06 | 联创汽车电子有限公司 | Driving diagnosis and protection circuit for fuel injector |
| CN103912391A (en) * | 2013-01-05 | 2014-07-09 | 联创汽车电子有限公司 | Engine oil injection control system |
| CN105041535A (en) * | 2015-07-24 | 2015-11-11 | 苏州市大力电器有限公司 | High-performance driving device used for fuel injector electromagnetic valve |
| CN205190050U (en) * | 2015-12-18 | 2016-04-27 | 无锡隆盛科技股份有限公司 | Engine electric control monoblock pump controller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105370422A (en) | 2016-03-02 |
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