CN105370422A - Engine electric unit pump controller - Google Patents
Engine electric unit pump controller Download PDFInfo
- Publication number
- CN105370422A CN105370422A CN201510956624.5A CN201510956624A CN105370422A CN 105370422 A CN105370422 A CN 105370422A CN 201510956624 A CN201510956624 A CN 201510956624A CN 105370422 A CN105370422 A CN 105370422A
- Authority
- CN
- China
- Prior art keywords
- module
- circuit
- drive circuit
- monoblock pump
- unit pump
- Prior art date
- 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.)
- Granted
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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
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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
- 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
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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
- F02D2041/2068—Output circuits, e.g. for controlling currents in command coils characterised by the circuit design or special circuit elements
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Electromagnetic Pumps, Or The Like (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses an engine electric unit pump controller. The engine electric unit pump controller comprises a power voltage stabilization module, an input signal processing module, a main chip circuit module, an actuator driving module and a unit pump control module, wherein the input signal processing module, the main chip circuit module, the actuator driving module and the unit pump control module are connected with the output end of the power voltage stabilization module, the input end of the main chip circuit module is connected with the output end of the input signal processing module, and the output end of the main chip circuit module is connected with the actuator driving module and the unit pump control module. The engine electric unit pump controller is used for controlling operation of a single cylinder engine and can accurately and reasonably control an oil injection solenoid valve of an engine unit pump according to different working conditions to make the engine operate in an optimal state all the time. The unit pump control module controls a booster circuit to boost through a boosting control chip, and a double-voltage control circuit which starts at a high voltage and runs at a low voltage is adopted for a solenoid valve coil, so that loss is lowered, and reliability is improved.
Description
Technical field
The present invention relates to technical field of automobile engine, particularly a kind of control gear of engine electric-controlled monoblock pump.
Background technique
Along with national legislation is more and more higher to non-rice habitats engineering machinery emission request, common mechanical oil pump has been difficult to meet emission request, monoblock pump controls formula Injection Pump as a kind of new time, formula Injection Pump is controlled because its oil spout precision is obviously better than traditional location, and there is good oil product tolerance, it is little, compatible good to change conventional diesel engine, and the construction cycle is short, advantage of lower cost, is therefore widely used in non-rice habitats engineering machinery.
Motor monoblock pump in the course of the work, usually uses monoblock pump controller to control, discharges can reach national requirements to make the performance of motor be played completely.But, current engine electric-controlled monoblock pump control technique is essentially and abroad monopolizes, in the face of non-rice habitats market to the demand that monoblock pump motor is increasing, be badly in need of now a kind of engine electric-controlled monoblock pump controller and meet the domestic increasing market demand.
Summary of the invention
The technical issues that need to address of the present invention are to provide a kind of engine electric-controlled monoblock pump controller, enable accurately reasonably to control the work of monoblock pump solenoid fuel injection valve according to different operating mode, make motor be operated in the optimum state always.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows.
Engine electric-controlled monoblock pump controller, the input signal puocessing module, master chip circuit module, actuator driven module and the monoblock pump control module that comprise power regulator module and be connected with voltage Voltage stabilizing module output terminal respectively, the input end of described master chip circuit module is connected with the output terminal of input signal puocessing module, and the output terminal of master chip circuit module is connected with actuator driven module and monoblock pump control module respectively.
Above-mentioned engine electric-controlled monoblock pump controller, described master chip circuit module is also connected with CAN communication module, and the master chip of CAN communication module is TLE6251G.
Above-mentioned engine electric-controlled monoblock pump controller, described input signal puocessing module comprises analog signal processing circuit, digital signal processing circuit and switching signal processing circuit.
Above-mentioned engine electric-controlled monoblock pump controller, described monoblock pump control module comprises booster circuit, boost control chip, driving chip, high pressure flash drive circuit, low pressure flash drive circuit and low limit drive circuit, described boost control chip is connected the PWM control end of master chip circuit module with the input end of driving chip, the output terminal of boost control chip connects the input end of booster circuit, and the output terminal of booster circuit and the output terminal of driving chip are connected with the controlled end of high pressure flash drive circuit, low pressure flash drive circuit and low limit drive circuit respectively; The electromagnetic valve coil of described monoblock pump is serially connected in high pressure flash drive circuit and low limit drive circuit and between low pressure flash drive circuit and low limit drive circuit.
Owing to have employed above technological scheme, the invention technological progress is as follows.
The present invention is used for single cylinder engine engine operation and controls, and can realize accurately reasonably controlling of motor monoblock pump solenoid fuel injection valve, make motor always work in the optimum state according to different operating mode.Monoblock pump control module in the present invention controls booster circuit boosting by boost control chip, electromagnetic valve coil is adopted to the two-line voltage synthesis circuit of high voltage startup, low pressure operation, reduces loss, improve reliability.
Accompanying drawing explanation
Fig. 1 is 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 monoblock 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 is further elaborated.
A kind of engine electric-controlled monoblock pump controller, its structure as shown in Figure 1, the input signal puocessing module, master chip circuit module, actuator driven module, monoblock pump control module and the CAN communication module that comprise power regulator module and be connected with voltage Voltage stabilizing module output terminal respectively; The input end of master chip circuit module is connected with the output terminal of input signal puocessing module, and the output terminal of master chip circuit module is connected with actuator driven module and monoblock pump control module respectively, and master chip circuit module intercoms mutually with CAN communication module.
The structure of power regulator module as shown in Figure 2, comprises power supply master chip TLE4471, power protecting circuit and electric source filter circuit, and the input end of power supply master chip TLE4471 is connected with the output terminal of power protecting circuit and electric source filter circuit respectively.The input end of power protecting circuit connects battery power, for the protection of power supply master chip, comprises anti-overflow, anti-overvoltage and reverse-connection preventing circuit etc.Power supply master chip TLE4471 exports 450mA, 100mA, 50mA tri-road 5V voltage signal simultaneously.
Input signal puocessing module comprises analog signal processing circuit, digital signal processing circuit and switching signal processing circuit.Analog signal processing circuit is used for treatment of simulated amount signal, and in the present embodiment, the circuit diagram of analog signal processing circuit as shown in Figure 8, and master chip is MAX9924.Digital signal processing circuit is used for processing digital quantity signal, and in the present embodiment, the circuit diagram of digital signal processing circuit as shown in Figure 7, and master chip is NCV1413.Switching signal processing circuit is used for processing on-off model, and in the present embodiment, the circuit diagram of digital signal processing circuit as shown in Figure 9.
The structure of master chip circuit module as shown in Figure 3, comprise the master chip MC9S12XEP100MAL of responsible logic control, clock signal circuit and peripheral filter circuits, after master chip obtains the signal after by the process of input signal puocessing module, export corresponding control command, control controlled device by normal logic work through actuator driven module and monoblock pump control module.
The various miscellaneous functions such as the major control of actuator driven module such as high low speed water pump, relay, electronic fan, heater plug, tutorial light.In the present invention, the structure of actuator driven module as shown in Figure 5, comprises actuator driven chip L9825, and actuator driven chip L9825 is by SPI and master chip communication, and Bing You eight road drive singal exports.
Monoblock pump control module is used for driving single pump electromagnetic valve oil spout action, by high low pressure cooperation control, solenoid fuel injection valve is responded fast and maintains low power consumption.In the present invention, the structure of monoblock pump control module as shown in Figure 6, comprise booster circuit, boost control chip, driving chip, high pressure flash drive circuit, low pressure flash drive circuit, low limit drive circuit and current sampling circuit, boost control chip adopts TLE8386-2EL, and driving chip adopts IR2101S.
Boost control chip is connected the PWM control end of master chip with the input end of driving chip, the output terminal of boost control chip connects the input end of booster circuit, and voltage up control signal is transferred to booster circuit, and booster circuit feeds back signal to boost control chip simultaneously; The output terminal of booster circuit and the output terminal of driving chip are connected with the controlled end of high pressure flash drive circuit, low pressure flash drive circuit and low limit drive circuit respectively.The electromagnetic valve coil of monoblock pump is serially connected in high pressure flash drive circuit and low limit drive circuit and between low pressure flash drive circuit and low limit drive circuit.Current sampling circuit is serially connected between low limit drive circuit and ground.
Monoblock pump control module is charged to booster circuit by controlling boost control chip, the working state of high pressure flash drive circuit, low pressure flash drive circuit, low limit drive circuit is regulated respectively by controlling driving chip, control the work of monoblock pump solenoid fuel injection valve, current sampling circuit is for gathering the electric current on drive circuit.
As shown in Figure 4, its master chip is TLE6251G to the circuit of CAN communication module, realizes being connected with outside by communication interface.The man-machine communication of diagnostic equipment or technician and control system can be realized by CAN communication module, monitoring and diagnosis is carried out to engine operating condition or fault.
Working principle of the present invention is: after energising, and the module that power regulator module powers to each 5V of needs provides the stable 5V voltage continued; Secondly, gather the signal of engine sensor under various operating mode, signal is divided into analogue signal, digital signal and on-off model, process respectively by analog signal processing circuit dividing potential drop, digital signal processing circuit turns dutycycle, on-off model turns low and high level mode, convert the data that master chip circuit module can identify to; Master chip is to these data analysis process, and the program that contrast is inner and data, select corresponding control strategy to come Controlling solenoid valve and other devices function by monoblock pump control module and actuator driven module.
Claims (4)
1. engine electric-controlled monoblock pump controller, it is characterized in that: the input signal puocessing module, master chip circuit module, actuator driven module and the monoblock pump control module that comprise power regulator module and be connected with voltage Voltage stabilizing module output terminal respectively, the input end of described master chip circuit module is connected with the output terminal of input signal puocessing module, and the output terminal of master chip circuit module is connected with actuator driven module and monoblock pump control module respectively.
2. engine electric-controlled monoblock pump controller according to claim 1, is characterized in that: described master chip circuit module is also connected with CAN communication module, the master chip of CAN communication module is TLE6251G.
3. engine electric-controlled monoblock pump controller according to claim 1, is characterized in that: described input signal puocessing module comprises analog signal processing circuit, digital signal processing circuit and switching signal processing circuit.
4. the engine electric-controlled monoblock pump controller according to any one of claims 1 to 3, it is characterized in that: described monoblock pump control module comprises booster circuit, boost control chip, driving chip, high pressure flash drive circuit, low pressure flash drive circuit and low limit drive circuit, described boost control chip is connected the PWM control end of master chip circuit module with the input end of driving chip, the output terminal of boost control chip connects the input end of booster circuit, the output terminal of booster circuit and the output terminal of driving chip respectively with high pressure flash drive circuit, the controlled end of low pressure flash drive circuit and low limit drive circuit connects, the electromagnetic valve coil of described monoblock pump is serially connected in high pressure flash drive circuit and low limit drive circuit and between low pressure flash drive circuit and low limit drive 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 true CN105370422A (en) | 2016-03-02 |
| CN105370422B 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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113589733A (en) * | 2021-08-04 | 2021-11-02 | 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 |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113589733A (en) * | 2021-08-04 | 2021-11-02 | 江苏远泰电器有限公司 | Fan water pump control device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105370422B (en) | 2018-04-10 |
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