CN103147898A - Starting control system and starting control method for engine of engineering machinery - Google Patents
Starting control system and starting control method for engine of engineering machinery Download PDFInfo
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- CN103147898A CN103147898A CN2013100981347A CN201310098134A CN103147898A CN 103147898 A CN103147898 A CN 103147898A CN 2013100981347 A CN2013100981347 A CN 2013100981347A CN 201310098134 A CN201310098134 A CN 201310098134A CN 103147898 A CN103147898 A CN 103147898A
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- 239000003921 oil Substances 0.000 claims abstract description 52
- 238000010438 heat treatment Methods 0.000 claims abstract description 41
- 239000000295 fuel oil Substances 0.000 claims abstract description 26
- 239000000446 fuel Substances 0.000 claims abstract description 21
- 239000010761 intermediate fuel oil Substances 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 8
- 239000000779 smoke Substances 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
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- 101100388636 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) ECM21 gene Proteins 0.000 description 2
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- 238000005259 measurement Methods 0.000 description 2
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- 239000002699 waste material Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The invention provides a starting control system and a starting control method of an engine of engineering machinery. The start control system for the engine of the construction machine comprises: a power source; the heater is arranged on the fuel supply fuel path; a heating switch arranged between the heater and the power supply; and the first controller is connected with the heating switch and used for acquiring a starting control signal of the engine and controlling the heating switch to be closed according to the starting control signal so as to enable the heater to be connected with a power supply and enable the heater to heat the fuel oil in the oil way. By applying the technical scheme of the invention, the heater is arranged on the fuel supply oil path to automatically heat the fuel entering the engine, so that the temperature of the fuel is increased to a temperature range suitable for starting, the starting difficulty caused by low-temperature fuel is avoided during the starting process of the engine, the combustion efficiency of the fuel is improved, and the phenomenon that the engine emits black smoke is eliminated.
Description
Technical field
The present invention relates to engineering machinery field, in particular to a kind of startup control system and startup controlling method of engineering machinery engine.
Background technique
The motor of engineering machinery generally uses diesel engine, and in the working environment of low temperature, severe cold condition has brought very large difficulty to the running of diesel engine.
When solving the engine cold-starting of engineering machinery, thermal loss in the compression process that causes due to low temperature is excessive, thereby be difficult to satisfy the requirement of motor normal starting, prior art improves the engine cold starting performance by the initial temperature that improves air amount, namely with glow plug or electric heating wire, the air that enters cylinder is heated.
With for the excavator that uses above method as example, it starts control system and mainly comprises: key preheating switch, vehicle control device, charge heating plug etc.When running into engine cold-starting at need, operator get to the preheating gear with key operation, preheating switch passes to vehicle control device with pre-thermal signal, and controller is controlled charge heating plug energising work, key operation is got to the enable position ato unit after the operation several seconds again.
Yet, in practice, the inventor finds that the startup control system of prior art only carries out preheating to air, start effect bad, still might exist preheating temperature can not satisfy the requirement of motor normal starting, and the oil temperature of whole startup warm intermediate fuel oil is lower, can causes the burning of start-up course intermediate fuel oil insufficient, in the cold-starting process, the combustion efficiency of motor is low, thereby the phenomenon of over-emitting black exhaust occurs.
Hang down for the combustion efficiency because of motor in the cold-starting process in prior art the problem that the over-emitting black exhaust phenomenon occurs, not yet propose at present effective solution.
Summary of the invention
The present invention aims to provide a kind of startup control system of engineering machinery engine and starts controlling method, hangs down with the combustion efficiency because of motor in the cold-starting process in the solution prior art problem that the over-emitting black exhaust phenomenon occurs.
To achieve these goals, according to an aspect of the present invention, provide a kind of startup control system of engineering machinery engine.The startup control system of this project mechanical engine comprises: power supply; Heater is arranged on the fuel delivery oil circuit; Heater switch is arranged between heater and power supply; The first controller is connected with heater switch, is used for obtaining the startup control signal of motor, controls the heater switch closure so that heater switches on power according to starting control signal, so that heater heats the fuel oil in oil circuit.
Further, heater is Temperature controlled heater, and Temperature controlled heater is used for the temperature of sensing oil circuit intermediate fuel oil, and begins heating during less than the first predefined value in temperature, and at temperature stopped heating during greater than the second predefined value, wherein, the second predefined value is greater than the first predefined value.
Further, the first controller also is used for obtaining the log-on message of motor, judges according to log-on message whether motor starts, and in the situation that motor does not start, controls the heater switch closure so that heater switches on power according to starting control signal.
Further, the startup control system of engineering machinery engine provided by the invention also comprises: second controller, be connected with the first controller, and be used for gathering the rotating speed of motor and sending to the first controller; The first controller also is used for judging according to the rotating speed of motor whether motor starts.
Further, the startup control system of engineering machinery engine provided by the invention also comprises another kind of second controller.This second controller is connected with the first controller, is used for harvester oil pressure on off state and sends to the first controller; The first controller also is used for judging according to the Oil pressure switch state whether motor starts.
Further, the first controller is vehicle control device, and second controller is engine controller, and the first controller is connected by the CAN bus with second controller.
Further, the startup control system of engineering machinery engine provided by the invention also comprises: power voltage detection device, be connected with the first controller, and be used for gathering the magnitude of voltage of power supply and sending to the first controller; The first controller also is used for judging according to magnitude of voltage whether motor starts.
Further, the startup control system of engineering machinery engine provided by the invention also comprises: timing device, be connected with the first controller, be used for the first controller and begin timing when controlling the heater switch closure, and when timing reaches Preset Time, send the heating halt instruction to the first controller, the first controller also is used for controlling heater switch according to the heating halt instruction and disconnects.
A kind of startup controlling method of engineering machinery engine is provided according to a further aspect in the invention.The startup controlling method of this project mechanical engine comprises: the startup control signal of obtaining motor; Control the heater switch closure so that the heater that is arranged on the fuel delivery oil circuit switches on power according to starting control signal, with the fuel oil in the heating oil circuit.
Further, also comprised before controlling the heater switch closure according to actuating signal: the log-on message of obtaining motor; Judge according to log-on message whether motor starts; In the situation that motor does not start, control the heater switch closure so that heater switches on power according to actuating signal.
Further, above-mentioned log-on message comprises following one or more: the rotating speed of supply voltage, motor, Oil pressure switch state.
Further, to control heater switch closed so that be arranged on heater on the fuel delivery oil circuit and also comprise after switching on power according to starting control signal: the temperature of sensing oil circuit intermediate fuel oil, the size of difference C.T and the first predefined value and the second predefined value, wherein the second predefined value is greater than the first predefined value; Temperature during less than the first predefined value control heater begin heating; Temperature is the control heater stopped heating during greater than the second predefined value.
Further, to control heater switch closed so that be arranged on heater on the fuel delivery oil circuit and also comprise after switching on power according to starting control signal: the beginning timing, and control the heater switch disconnection when timing reaches Preset Time.
Use technological scheme of the present invention, technological scheme of the present invention is by arranging heater on the fuel delivery oil circuit, the fuel oil that enters motor is heated automatically, thereby the temperature of fuel oil is brought up in the temperature range that is fit to start, thereby the difficulty in starting that motor has avoided the low temperature fuel oil to cause in start-up course, and improved the combustion efficiency of fuel oil, eliminated the phenomenon of motor over-emitting black exhaust.
Description of drawings
The Figure of description that consists of the application's a part is used to provide a further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the schematic block diagram according to the startup control system of the engineering machinery engine of the embodiment of the present invention;
Fig. 2 is the structural representation according to the startup control system of the engineering machinery engine of the embodiment of the present invention;
Fig. 3 is the schematic diagram according to the controlling method of the startup control system of the engineering machinery engine of the embodiment of the present invention;
Fig. 4 is the controlling method flow chart according to the startup control system of the engineering machinery engine of the embodiment of the present invention.
Embodiment
Need to prove, in the situation that do not conflict, embodiment and the feature in embodiment in the application can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
The embodiment of the present invention provides a kind of startup control system of engineering machinery engine, Fig. 1 is the schematic diagram according to the startup control system of the engineering machinery engine of the embodiment of the present invention, as shown in Figure 1, the startup control system of this project mechanical engine comprises: power supply 12, heater 14 is arranged on the fuel delivery oil circuit; Heater switch 13 is arranged between heater 14 and power supply 12; The first controller 11 is connected with heater switch 13, is used for obtaining the startup control signal of motor, controls heater switch 13 closures so that heater 14 switches on power 12, so that heater heats the fuel oil in oil circuit according to starting control signal.
Embodiments of the invention are by arranging heater 14 on the fuel delivery oil circuit, the fuel oil that enters motor is heated automatically, thereby the temperature of fuel oil is brought up in the temperature range that is fit to start, thereby the difficulty in starting that motor has avoided the low temperature fuel oil to cause in start-up course, and improved the combustion efficiency of fuel oil, eliminated the phenomenon of motor over-emitting black exhaust.
Above-mentioned heater 14 can adopt Temperature controlled heater, Temperature controlled heater is used for the temperature of sensing oil circuit intermediate fuel oil, and begin heating during less than the first predefined value in temperature, at temperature stopped heating during greater than the second predefined value, wherein the first predefined value is less than the second predefined value.Use the Temperature controlled heater can be in the situation that switch on power 12, according to the work start and stop state of fuel oil temperature control heater.Automatically start when low temperature, automatically stop when temperature is higher, thereby avoided meaningless increase energy consumption.
Above-mentioned Temperature controlled heater can be realized with common heating silk and temperature transducer too, the first controller 11 is by the temperature of temperature sensor measurement oil circuit intermediate fuel oil, and the size of this temperature value and the first predefined value and the second predefined value relatively, control heating wire according to comparative result and whether heat.The size of above-mentioned the first predefined value and the second predefined value can arrange according to the starting condition of engineering machinery, and such as for general excavator, the first predefined value can be set to 4 ℃, and the second predefined value can be set to 17 ℃.Thereby under the low-temperature working environment, the fuel oil temperature that enters motor is stabilized between 4 ℃ to 17 ℃, has guaranteed combustion efficiency.
Above-mentioned the first controller 11 can also be used for obtaining the log-on message of motor, judge according to log-on message whether motor starts, and in the situation that motor does not start, control heater switch 13 closures so that heater 14 switches on power 12 according to starting control signal.If motor starts, the necessity that so just there is no pre-heating oil, therefore the startup control system of the engineering machinery engine of the embodiment of the present invention is passed through log-on message, judge whether motor successfully starts, in the situation that motor is not activated, connect heater power source, enter the fuel-firing preheating standby condition.
The log-on message of motor comprises rotating speed, Oil pressure switch state and power supply 12 system voltages of motor, exist incidence relation between these three information, generally speaking after engine start reaches certain rotating speed, Oil pressure switch disconnects, and the generator output voltage of driven by engine raises.Therefore can utilize the one or more engine start that carries out in above-mentioned three to judge.
In order to gather the log-on message of motor, the startup control system of the engineering machinery engine of the embodiment of the present invention can also arrange second controller.This second controller is connected with the first controller 11, is used for gathering the log-on message of motor.
For example, this second controller is connected with the measurement of engine rotate speed device, gather the rotating speed of motor and send to the first controller 11, the first controller 11 judges according to the rotating speed of motor whether motor starts, namely when surpassing the preset rotation speed value, the rotating speed of motor assert that motor starts, this preset rotation speed value can according to the running parameter setting of motor, be traditionally arranged to be 600rpm.
This second controller can also be connected with Oil pressure switch, and harvester oil pressure on off state also sends to the first controller 11; The first controller 11 also is used for judging according to the Oil pressure switch state whether motor starts, assert when Oil pressure switch is in off state that namely motor starts.
By analyzing the function of the first controller 11 and second controller, the first controller 11 can adopt vehicle control device (ECU, Electronic Control Unit), second controller can adopt engine controller (ECM, Engine Control Module), in this case, can adopt the general purpose controller in engineering machinery to complete cold-starting control function, to reduce costs.The first controller 11 is connected by the CAN bus with second controller.
Power-supply system voltage due to engineering machinery, also directly related with the state of engine start, the startup control system of the engineering machinery engine of the embodiment of the present invention can also arrange power voltage detection device, be connected with the first controller 11, be used for gathering the magnitude of voltage of power supply 12 and sending to the first controller 11; The first controller 11 also is used for judging according to magnitude of voltage whether motor starts, namely when surpassing the predeterminated voltage value, the magnitude of voltage of power supply 12 assert that motor starts, this predeterminated voltage value can according to the running parameter setting of motor, generally can be set to 27V.
In addition, the startup control system of the engineering machinery engine of the present embodiment can also be provided with timing device.This timing device is connected with the first controller 11, be used for beginning when controlling heater switch 13 closure at the first controller 11 timing, and when timing reaches Preset Time, send the heating halt instruction to the first controller 11, the first controller 11 is when receiving this heating halt instruction, control heater switch 13 and disconnect, thereby stop the fuel oil in oil circuit is heated.By to carrying out timing heating time, can prevent from causing heater 14 to continue the fuel oil in oil circuit is heated because temperature conditioning unit breaks down.Can further improve by timing device the safety reliability that starts control system.
The function of above-mentioned timing device can also be realized by the internal timer of the first controller 11, thereby the first controller 11 is sending the signal of controlling heater switch 13 closures, automatically carry out internal clocking, and when timing arrives predefined value, send and control the signal that heater switch disconnects, stopped heating, avoided the energy waste and the potential safety hazard that cause because of continuous heating.
Below be applied as example with the startup control system of the engineering machinery engine of the embodiment of the present invention in an excavator system, describe starting control system.Fig. 2 is that startup control system according to the engineering machinery engine of the embodiment of the present invention is in the structural representation of excavator, as shown in the figure, the startup control system of this digger engine comprises: ECM as second controller 21, ECU as the first controller 11, relay is as heater switch 13, use CAN bus 23 modes to be connected between ECM21 and ECU11, ECU11 obtains the tachometer value of motor, the state of Oil pressure switch by ECM21, receive simultaneously the startup control signal of motor, and the Real Time Monitoring supply voltage value.ECU11 controls relay by controlling delivery outlet, this relay is arranged between heater 14 and power supply 12 as heater switch 13, the preferred Temperature controlled heater that uses of heater 12, be arranged on the fuel delivery oil circuit, this Temperature controlled heater 12 begins heating during lower than 4 ℃ in temperature, and at temperature stopped heating during higher than 17 ℃.In order to guarantee the reliability of system, also be provided with safty device 22 between relay and power supply, be used in time cutting off the electricity supply when the heater circuit fault.
In addition, the situation that causes heater 14 continuous heatings for fear of breaking down because of function of temperature control occurs, the first controller 11 is controlled the signal that heater switch 13 closures heat sending, the beginning timing, and when timing arrives the Preset Time value, send and control the signal that heater switch disconnects, stop thereby controlling heating, this Preset Time value can arrange the time that starts general according to motor, for example 30 seconds or one minute.
the workflow of the startup control system of this digger engine is: after ECU detects the startup control signal of motor, the judgement supply voltage, engine speed, whether Oil pressure switch state three satisfies the condition that motor does not start, namely satisfy all following three kinds of situations: supply voltage is less than 27V, Oil pressure switch is communicated with, rotating speed is less than 600rpm, in this case, the ECU control relay is closed, Temperature controlled heater is communicated with power supply, this moment, Temperature controlled heater determined whether heat according to the temperature of fuel oil, the continuous heating time generally is no more than the Preset Time value in addition, as 30 seconds.Thereby automatically to fuel-firing preheating, in conjunction with to preheating of air, can effectively solve the engine start hard problem under low temperature environment, and eliminate the black smoke phenomenon of motor.
The embodiment of the present invention also provides a kind of startup controlling method of engineering machinery engine, the startup control system of any engineering machinery engine that the startup controlling method of this project mechanical engine can provide by the above embodiment of the present invention is carried out, and, the startup controlling method of this project mechanical engine can be applied to comprise the engineering machinery of above startup control system, Fig. 3 is the schematic diagram according to the startup control system of the engineering machinery engine of the embodiment of the present invention, and the startup controlling method of this project mechanical engine comprises:
Step S31 obtains the startup control signal of motor;
Step S32 controls the heater switch closure so that the heater that is arranged on the fuel delivery oil circuit switches on power according to starting control signal.
Preferably, can also comprise before S32: the log-on message of obtaining motor; Judge according to log-on message whether motor starts; In the situation that motor do not start, execution in step S31.
Above-mentioned log-on message comprises following one or more: the rotating speed of supply voltage, motor, Oil pressure switch state.When also satisfying with regard to following any one condition, think namely that motor has started to complete to need not to carry out fuel-firing preheating: engine speed reaches the preset rotation speed value, and Oil pressure switch is closed, supply voltage surpasses predefined value.
Heater in the present embodiment can also utilize temperature automatically to control, i.e. the temperature of sensing oil circuit intermediate fuel oil, and the size of C.T and the first predefined value and the second predefined value respectively, wherein the second predefined value is greater than the first predefined value; Temperature during less than the first predefined value control heater begin heating; Temperature is the control heater stopped heating during greater than the second predefined value.
The condition of stopped heating can also comprise in addition: the continuous heating time is no more than the Preset Time value, when namely surpass the Preset Time value heating time, automatic stopped heating, thereby avoiding preventing causes heater to continue the fuel oil in oil circuit is heated because temperature conditioning unit breaks down, and causes potential safety hazard and waste of energy.In this case, after step S32, can also comprise: the beginning timing, and control described heater switch disconnection when timing reaches Preset Time.
Fig. 4 is applied to the particular flow sheet of the controlling method of excavator according to the startup controlling method of the engineering machinery engine of the embodiment of the present invention, above-mentioned the first predefined value is set to 4 ℃, the second predefined value is set to 17 ℃, the predeterminated voltage value is set to 27V, the preset rotation speed value is set to 600rpm, Preset Time is 30 seconds, as shown in flow chart, after the startup control signal that motor detected begins, judge successively supply voltage, engine speed, whether Oil pressure switch state three satisfies the condition that motor does not start, be that supply voltage is less than 27V, Oil pressure switch is communicated with, rotating speed is less than 600rpm.In the situation that the judgement motor does not start, control heater switch closed, during less than 4 ℃, begin heating at fuel oil temperature, during greater than 17 ℃, finish heating at fuel oil temperature.Simultaneously, be no more than 30 seconds the duration of heat.Thereby automatically to fuel-firing preheating, in conjunction with the air after preheating, can effectively solve the engine start hard problem under low temperature environment, and eliminate the black smoke phenomenon of motor.
Embodiments of the invention are by arranging heater on the fuel delivery oil circuit, the fuel oil that enters motor is heated automatically, thereby the temperature of fuel oil is brought up in the temperature range that is fit to start, thereby the difficulty in starting that motor has avoided the low temperature fuel oil to cause in start-up course, and improved the combustion efficiency of fuel oil, eliminated the phenomenon of motor over-emitting black exhaust.
obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general computing device, they can concentrate on single computing device, perhaps be distributed on the network that a plurality of computing devices form, alternatively, they can be realized with the executable program-code of computing device, thereby, they can be stored in storage device and be carried out by computing device, perhaps they are made into respectively each integrated circuit module, perhaps a plurality of modules in them or step being made into the single integrated circuit module realizes.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is only the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (13)
1. the startup control system of an engineering machinery engine, is characterized in that, comprising:
Power supply;
Heater is arranged on the fuel delivery oil circuit;
Heater switch is arranged between described heater and described power supply;
The first controller, be connected with described heater switch, be used for obtaining the startup control signal of described motor, control described heater switch closure so that described heater is connected described power supply, so that described heater heats the fuel oil in described oil circuit according to described startup control signal.
2. the startup control system of engineering machinery engine according to claim 1, it is characterized in that, described heater is Temperature controlled heater, described Temperature controlled heater is used for the temperature of the described oil circuit intermediate fuel oil of sensing, and begin heating during less than the first predefined value in described temperature, at described temperature stopped heating during greater than the second predefined value, wherein, described the second predefined value is greater than described the first predefined value.
3. the startup control system of engineering machinery engine according to claim 1, it is characterized in that, described the first controller also is used for obtaining the log-on message of motor, judge according to described log-on message whether described motor starts, and in the situation that described motor does not start, control described heater switch according to described startup control signal closed so that the described power supply of described heater connection.
4. the startup control system of engineering machinery engine according to claim 3, is characterized in that, also comprises second controller, is connected with described the first controller, is used for gathering the rotating speed of described motor and sending to described the first controller; Described the first controller also is used for judging according to the rotating speed of described motor whether described motor starts.
5. the startup control system of engineering machinery engine according to claim 3, is characterized in that, also comprises second controller, is connected with described the first controller, is used for harvester oil pressure on off state and sends to described the first controller; Described the first controller also is used for judging according to described Oil pressure switch state whether described motor starts.
6. the startup control system of according to claim 4 or 5 described engineering machinery engines, it is characterized in that, described the first controller is vehicle control device, and described second controller is engine controller, and described the first controller is connected by the CAN bus with described second controller.
7. the startup control system of engineering machinery engine according to claim 3, is characterized in that, also comprises power voltage detection device, is connected with described the first controller, is used for gathering the magnitude of voltage of described power supply and sending to described the first controller; Described the first controller also is used for judging according to described magnitude of voltage whether described motor starts.
8. the startup control system of engineering machinery engine according to claim 1, it is characterized in that, also comprise timing device, be connected with described the first controller, be used for described the first controller and begin timing when controlling described heater switch closure, and when timing reaches Preset Time, sending the heating halt instruction to the first controller, described the first controller also is used for controlling described heater switch according to described heating halt instruction and disconnects.
9. the startup controlling method of an engineering machinery engine, is characterized in that, comprising:
Obtain the startup control signal of motor;
Control the heater switch closure so that the heater that is arranged on the fuel delivery oil circuit switches on power according to described startup control signal, to heat the fuel oil in described oil circuit.
10. the startup controlling method of engineering machinery engine according to claim 9, is characterized in that, also comprised before controlling the heater switch closure according to described actuating signal:
Obtain the log-on message of described motor;
Judge according to described log-on message whether described motor starts;
In the situation that described motor does not start, control described heater switch closure so that described heater switches on power according to described actuating signal.
11. the startup controlling method of engineering machinery engine according to claim 9 is characterized in that, described log-on message comprises following one or more: the rotating speed of supply voltage, described motor, Oil pressure switch state.
12. the startup controlling method of engineering machinery engine according to claim 9 is characterized in that, control heater switch according to described startup control signal closed so that be arranged on heater on the fuel delivery oil circuit and also comprise after switching on power:
The temperature of the described oil circuit intermediate fuel oil of sensing,
The size of more described temperature and the first predefined value and the second predefined value respectively, wherein said the second predefined value is greater than the first predefined value;
Described temperature is controlled described heater during less than the first predefined value and is begun heating;
Described temperature is controlled described heater stopped heating during greater than the second predefined value.
13. the startup controlling method of engineering machinery engine according to claim 9 is characterized in that, control heater switch according to described startup control signal closed so that be arranged on heater on the fuel delivery oil circuit and also comprise after switching on power:
The beginning timing, and control described heater switch disconnection when timing reaches Preset Time.
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Cited By (8)
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| CN103573483A (en) * | 2013-11-13 | 2014-02-12 | 中国南方航空工业(集团)有限公司 | Fuel supply system and fuel preheating method |
| CN103821655A (en) * | 2014-03-04 | 2014-05-28 | 广西玉柴机器股份有限公司 | Preheating control device for engine start and control method thereof |
| CN105863899A (en) * | 2016-05-31 | 2016-08-17 | 浙江中科正方电子技术有限公司 | Intelligent automobile diesel oil heating control system and method |
| CN106481492A (en) * | 2015-08-25 | 2017-03-08 | 现代自动车株式会社 | The heater control device of vehicle fuel cleaner and method for controlling heater |
| CN106499553A (en) * | 2016-12-20 | 2017-03-15 | 陕西北方动力有限责任公司 | A kind of diesel engine low temp. starting control system, method and cold-starting device |
| CN108882402A (en) * | 2017-05-15 | 2018-11-23 | 菲利普斯坦洛工业有限公司 | Inlet air heating system for vehicle |
| CN108930612A (en) * | 2017-05-27 | 2018-12-04 | 罗伯特·博世有限公司 | Fuel injection device and fuel heating means |
| US11549478B2 (en) | 2020-10-29 | 2023-01-10 | Start & Go LLC | Self-contained engine block heater power supply |
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| CN105863899A (en) * | 2016-05-31 | 2016-08-17 | 浙江中科正方电子技术有限公司 | Intelligent automobile diesel oil heating control system and method |
| CN106499553A (en) * | 2016-12-20 | 2017-03-15 | 陕西北方动力有限责任公司 | A kind of diesel engine low temp. starting control system, method and cold-starting device |
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| CN108930612A (en) * | 2017-05-27 | 2018-12-04 | 罗伯特·博世有限公司 | Fuel injection device and fuel heating means |
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Application publication date: 20130612 |