CN202325914U - Low-temperature pre-heating fuel oil supply electronic controller for electromagnetic fuel oil pump of diesel vehicle - Google Patents
Low-temperature pre-heating fuel oil supply electronic controller for electromagnetic fuel oil pump of diesel vehicle Download PDFInfo
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- CN202325914U CN202325914U CN2011204402975U CN201120440297U CN202325914U CN 202325914 U CN202325914 U CN 202325914U CN 2011204402975 U CN2011204402975 U CN 2011204402975U CN 201120440297 U CN201120440297 U CN 201120440297U CN 202325914 U CN202325914 U CN 202325914U
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Abstract
The utility model relates to a low-temperature pre-heating fuel oil supply electronic controller for an electromagnetic fuel oil pump of a diesel vehicle. Three output ends on the outer part of a single-chip microcomputer processing unit are respectively connected with a low-pressure fuel oil supply path electric heater drive unit, an electromagnetic auxiliary fuel oil pump drive control unit and a fault protection part. Four input ends on the outer part of the single-chip microcomputer are respectively connected with a power supply circuit module, an auxiliary pump fuel oil switch, a temperature gauge in a fuel oil pump and a fuel flow meter. The low-temperature pre-heating fuel oil supply electronic controller has the following beneficial effects: the temperature of the fuel oil is sent out by a CAN (controller area network) bus, and the fuel flow, the motor rotation speed, the running speed and the vehicle state detection information of a motor ECU (electric control unit) are received by the CAN bus, so as to optimize the operation flow control of the electromagnetic fuel oil pump. The low-temperature pre-heating fuel oil supply electronic controller can be applied to high-pressure common-rail heavy duty diesel engine vehicles of various main brands meeting Euro III Emissions Standard. The low-temperature pre-heating fuel oil supply electronic controller is mainly applied to the diesel engine vehicles which only use the common grade diesel in winter in the northern area, so as to ensure smoothness of the cold start and low-pressure fuel oil supply system under low temperature environment.
Description
Technical field
The utility model relates to diesel-oil vehicle Electromagnetic oil transfer pump low-temperature prewarming oil supply system, relates in particular to a kind of diesel-oil vehicle Electromagnetic oil transfer pump low-temperature prewarming fuel feeding electronic controller.
Background technique
Heavy goods vehicles is the critical equipment of countries in the world road transport; Most important in fields such as high-velocity stream, mining, oil, large-scale hydroelectric projects; Along with big-block engine high-pressure common rail technology is quoted with power assembly electronic controller ECU and not only satisfied Europe III emission standard, also scalable to Europe IV; And deceleration of electrons EBS is all mated in the ABS system, and whole vehicle VECU also is able to extensive employing, and its data concentration revels in the CAN bussing technique.But; Existing Electromagnetic oil transfer pump temperature control system electrical-controller does not also possess the ability of CAN bus data transmission; Thereby on existing basis; The low-temperature prewarming oil supply system ECU controller requirement of the research and development CAN bus that some main engine factory proposed can help popularizing in an all-round way the application on heavy-duty car.Therefore, to above aspect, need reasonably improve existing technology.
The model utility content
To above defective; The utility model provides a kind of diesel-oil vehicle Electromagnetic oil transfer pump low-temperature prewarming fuel feeding electronic controller; Send fuel oil temperature through the CAN bus; And can receive Engine ECU fuel flow, engine speed, speed of operation and vehicle-state detection information, to optimize the control of Electromagnetic oil transfer pump operation fuel flow.
For realizing above-mentioned purpose, the utility model adopts following technological scheme:
A kind of diesel-oil vehicle Electromagnetic oil transfer pump low-temperature prewarming fuel feeding electronic controller; Comprise single-chip microcomputer processing unit, low pressure oil supply road electric heater driver element, electromagnetism auxiliary oil pump driving control unit, error protection part, engine electric-controlled unit, outside three output terminals of said single-chip microcomputer processing unit are connected to low pressure oil supply road electric heater driver element, electromagnetism auxiliary oil pump driving control unit, error protection part respectively; Outside four input ends of said single-chip microcomputer processing unit connect thermometer, fuel flow meter in power circuit module, service pump oil switch, the oil pump respectively, and this single-chip microcomputer processing unit is connected with engine electric-controlled unit is two-way through the CAN bus simultaneously.Said single-chip microcomputer processing unit is made up of as central processing unit (CPU) the MC9S12XS64 chip and is sent fuel oil temperature through the CAN bus and detect information to receive fuel flow, engine speed, speed of operation and vehicle-state, optimize the control of Electromagnetic oil transfer pump operation fuel flow.
The beneficial effect of the described diesel-oil vehicle Electromagnetic oil transfer pump of the utility model low-temperature prewarming fuel feeding electronic controller is: replace on the first filter water knockout drum mounting point of former machine; Integrate that the exhaust of wax, pump oil is separated in preheating, fine filtering divides water function low-voltage fuel preheating supply system, comprise power module, auxiliary selenoid oil transfer pump switch and electromagnetic pump PWM control module drive circuit, fuel oil temperature input signal, low-temperature prewarming heating control module and drive composition such as field effect transistor; Can send fuel oil temperature through the CAN bus, and can receive fuel flow, engine speed, speed of operation and the vehicle-state detection information of Engine ECU, to optimize the control of Electromagnetic oil transfer pump operation fuel flow; Can be adapted to the application of each big main brand Europe III emission standard, high-pressure common rail heavy duty diesel engine vehicle; This product is mainly used in diesel vehicle and goes winter at northern area and only use common label diesel oil, to guarantee that cold start-up and low-pressure oil supply system are unblocked under the low temperature environment.
Description of drawings
According to accompanying drawing the utility model is done further explain below.
Fig. 1 is that the structure of the said diesel-oil vehicle Electromagnetic oil transfer pump of the utility model embodiment low-temperature prewarming fuel feeding electronic controller is formed schematic representation;
Fig. 2 is the workflow schematic representation of the said diesel-oil vehicle Electromagnetic oil transfer pump of the utility model embodiment low-temperature prewarming fuel feeding electronic controller.
Among the figure:
1, single-chip microcomputer processing unit; 2, power circuit module; 3, low pressure oil supply road electric heater driver element; 4, electromagnetism auxiliary oil pump driving control unit; 5, error protection part; 6, service pump oil switch; 7, thermometer in the oil pump; 8, fuel flow meter; 9, engine electric-controlled unit.
Embodiment
Shown in Fig. 1-2; The described diesel-oil vehicle Electromagnetic oil transfer pump of the utility model embodiment low-temperature prewarming fuel feeding electronic controller; Comprise single-chip microcomputer processing unit 1, low pressure oil supply road electric heater driver element 3, electromagnetism auxiliary oil pump driving control unit 4, error protection part 5, engine electric-controlled unit 9; Said single-chip microcomputer processing unit 1 is made up of as central processing unit (CPU) automobile technical grade chip MC9S12XS64 and is sent fuel oil temperature through the CAN bus; Can receive fuel flow, engine speed, speed of operation and vehicle-state and detect information, thereby optimize the control of Electromagnetic oil transfer pump operation fuel flow; Said single-chip microcomputer processing unit 1 outside three output terminals are connected to low pressure oil supply road electric heater driver element 3, electromagnetism auxiliary oil pump driving control unit 4, error protection part 5 respectively; Said single-chip microcomputer processing unit 1 outside four input ends connect thermometer 7, fuel flow meter 8 in power circuit module 2, service pump oil switch 6, the oil pump respectively, and this single-chip microcomputer processing unit 1 is through CAN bus and 9 two-way connections of engine electric-controlled unit simultaneously.
The described diesel-oil vehicle Electromagnetic oil transfer pump of above the utility model embodiment low-temperature prewarming fuel feeding electronic controller; Main structure is formed: MC9S12XS64 single-chip microcomputer wherein is a 16 single-chip microcomputers of high-performance to automobile; Have characteristics such as speed is fast, function is strong, cost is low, low in energy consumption; Its bus speed is used for realization program and storage up to 40MHz, 64KB program flash memory, 4KB data RAM flash memory, the conversion time of configurable 8,10 or 12 ADC, 3 μ s; Embedded MSCAN module is used for the CAN bus node to be used, the enhancement mode SCI module and the SPI module of embedded support LIN agreement; 4 passages, 16 digit counters etc., 8 passage PWM are easy to realize motor and the control of valve pump.The ECU control strategy: at first, the oil control of auxiliary electrical magnetic pumping forcing pump is frequency of okperation 10HZ by from common each cold start-up the time; The pump oil time: 10 minutes; Dutycycle 1: 1; Change initial conventional control into, and then read the Engine ECU data can reduce the work operation frequency automatically along with fuel flow and engine speed, speed of a motor vehicle size energy saving optimizing pump oil flow control in real time; The pump oil time then rises along with the temperature of fuel oil, reaches upper limit electromagnetic pump and stops, complete gear pump fuel feeding by main frame.Then, low-temperature prewarming electric heater control can be controlled according to the temperature that thermistor (temperature) sensor detects fuel path, opens the preheating heating from 0 ℃ of low temperature, reach+25 ℃ stop heating work; According to thermistor temp statistical property rule storing temperature conversion table, to guarantee enough detection temperature-controlled precisions.
The described diesel-oil vehicle Electromagnetic oil transfer pump of above the utility model embodiment low-temperature prewarming fuel feeding electronic controller; Wherein: 1. single-chip microcomputer and peripheral circuit; Its peripheral circuit comprises crystal oscillation circuit, each DC operation stabilized power supply part of reset circuit and single-chip microcomputer, and whole hardware is paster technique; 2. detect the control load module, input signal comprises the oil temperature of cold-starting auxiliary selenoid pump work switch and fuel oil, and Electromagnetic oil transfer pump oil temperature detects through the thermistor (temperature) sensor voltage change signal by AD analog acquisition input temp; 3. temperature control output module; Typical temperature begins preheating at low temperature and adds heat control output below 0 ℃; Oil supply system oil temperature is stopping to add heat output more than+25 ℃, the omnidistance embedded electric heating wire heating of low pressure oil supply oil circuit, and DO port output heating wire drives and adopts field effect transistor voltage system to drive; 4. electromagnetism service pump control; Usually adopt the fixedly PWM passage output control of 10Hz frequency; Adopt field effect transistor voltage system to drive, force emptying circulation oil supply system, can be according to the Engine ECU data along with fuel flow and engine speed, the speed of a motor vehicle and fuel oil temperature self adaptive control; 5. ECU is designed with malfunction alarm diagnosis protective function, has greatly promoted the unfailing performance of low pressure fuel system; 6. Integrated electromagnetic pump low-temperature prewarming oil supply system will replace the first filter water knockout drum mounting point of former machine; Integrate that the exhaust of wax, pump oil is separated in preheating, fine filtering divides water function low-voltage fuel preheating supply system; Be widely used in heavy goods vehicles Europe III diesel engine high-pressure co-rail motor; Ensure that low temperature environment uses low grade diesel oil, the unimpeded supply of low pressure oil circuit ability has embodied intelligent control and energy-conservation of consumption reduction performance; 7. the application software design adopts C Programming with Pascal Language scm software to be responsible for data acquisition process; Carry out control strategy and accomplish optimization control; Comprise work control temperature acquisition, the control of the electric heating upper limit in the electromagnetic pump, the control of electromagnetic pump PWM pulse duration frequency, CAN bus data acquisition and communication etc.
Above embodiment is more preferably embodiment a kind of of the utility model, and common variation that those skilled in the art carry out in present technique scheme scope and replacement should be included in the protection domain of the utility model.
Claims (2)
1. diesel-oil vehicle Electromagnetic oil transfer pump low-temperature prewarming fuel feeding electronic controller; Comprise single-chip microcomputer processing unit (1), low pressure oil supply road electric heater driver element (3), electromagnetism auxiliary oil pump driving control unit (4), error protection part (5), engine electric-controlled unit (9), it is characterized in that: outside three output terminals of said single-chip microcomputer processing unit (1) are connected to low pressure oil supply road electric heater driver element (3), electromagnetism auxiliary oil pump driving control unit (4), error protection part (5) respectively; Outside four input ends of said single-chip microcomputer processing unit (1) connect thermometer (7), fuel flow meter (8) in power circuit module (2), service pump oil switch (6), the oil pump respectively, and this single-chip microcomputer processing unit (1) is through CAN bus and two-way connection of engine electric-controlled unit (9) simultaneously.
2. diesel-oil vehicle Electromagnetic oil transfer pump low-temperature prewarming fuel feeding electronic controller according to claim 1 is characterized in that: said single-chip microcomputer processing unit (1) is made up of as central processing unit (CPU) the MC9S12XS64 chip and is sent fuel oil temperature through the CAN bus and detect information to receive fuel flow, engine speed, speed of operation and vehicle-state, optimize the control of Electromagnetic oil transfer pump operation fuel flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204402975U CN202325914U (en) | 2011-11-09 | 2011-11-09 | Low-temperature pre-heating fuel oil supply electronic controller for electromagnetic fuel oil pump of diesel vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204402975U CN202325914U (en) | 2011-11-09 | 2011-11-09 | Low-temperature pre-heating fuel oil supply electronic controller for electromagnetic fuel oil pump of diesel vehicle |
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| CN202325914U true CN202325914U (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011204402975U Expired - Fee Related CN202325914U (en) | 2011-11-09 | 2011-11-09 | Low-temperature pre-heating fuel oil supply electronic controller for electromagnetic fuel oil pump of diesel vehicle |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147898A (en) * | 2013-03-25 | 2013-06-12 | 中联重科股份有限公司渭南分公司 | Starting control system and starting controlling method for engine of engineering machinery |
| CN103670843A (en) * | 2012-09-14 | 2014-03-26 | 常州大学 | Control and protection method for fuel pump of automobile fuel heater |
| CN103712663A (en) * | 2013-12-30 | 2014-04-09 | 山东申普交通科技有限公司 | Device and method for measuring fuel oil consumption of engine |
| CN104884777A (en) * | 2013-02-25 | 2015-09-02 | 雷诺股份公司 | Method and device for heating fuel for an internal combustion engine |
| CN108930612A (en) * | 2017-05-27 | 2018-12-04 | 罗伯特·博世有限公司 | Fuel injection device and fuel heating means |
| CN109812358A (en) * | 2017-11-21 | 2019-05-28 | 上海汽车集团股份有限公司 | A kind of heating system |
| CN115199446A (en) * | 2022-06-02 | 2022-10-18 | 武汉神动汽车电子电器股份有限公司 | Fuel heating controller for diesel vehicle |
-
2011
- 2011-11-09 CN CN2011204402975U patent/CN202325914U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670843A (en) * | 2012-09-14 | 2014-03-26 | 常州大学 | Control and protection method for fuel pump of automobile fuel heater |
| CN104884777A (en) * | 2013-02-25 | 2015-09-02 | 雷诺股份公司 | Method and device for heating fuel for an internal combustion engine |
| CN103147898A (en) * | 2013-03-25 | 2013-06-12 | 中联重科股份有限公司渭南分公司 | Starting control system and starting controlling method for engine of engineering machinery |
| CN103712663A (en) * | 2013-12-30 | 2014-04-09 | 山东申普交通科技有限公司 | Device and method for measuring fuel oil consumption of engine |
| CN103712663B (en) * | 2013-12-30 | 2016-08-17 | 山东申普交通科技有限公司 | Engine fuel consumption quantity measurement apparatus and measuring method |
| CN108930612A (en) * | 2017-05-27 | 2018-12-04 | 罗伯特·博世有限公司 | Fuel injection device and fuel heating means |
| CN109812358A (en) * | 2017-11-21 | 2019-05-28 | 上海汽车集团股份有限公司 | A kind of heating system |
| CN115199446A (en) * | 2022-06-02 | 2022-10-18 | 武汉神动汽车电子电器股份有限公司 | Fuel heating controller for diesel vehicle |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190530 Address after: 441000 No. 8 Qichen Road, Xiangyang High-tech Zone, Hubei Province Patentee after: Hubei Saiensi Technology Co., Ltd. Address before: No. 136 Bailangzhong Road, Shiyan City, Hubei Province, 442013 Patentee before: Shiyan Feijun Automobile Parts Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20201109 |