CN204755127U - Automobile engine's low temperature starting drive - Google Patents
Automobile engine's low temperature starting drive Download PDFInfo
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- CN204755127U CN204755127U CN201520295333.1U CN201520295333U CN204755127U CN 204755127 U CN204755127 U CN 204755127U CN 201520295333 U CN201520295333 U CN 201520295333U CN 204755127 U CN204755127 U CN 204755127U
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Abstract
The utility model relates to an automobile engine's low temperature starting drive, including heating coil, low temperature start control ware and plasma ignition system. Heating coil parcel the fuel process spout the rail around. The automatically controlled unit of car and this heating coil are connected to low temperature start control ware electricity, and the engine tank temperature signal automatic setting that this low temperature start control ware was gathered according to the automatically controlled unit of this car preheats power output to this heating coil. This low temperature start control ware is connected to plasma ignition system electricity, responds triggering of this low temperature start control ware and provides at the plasma plug tip clearance and satisfy the low temperature required plasma ignition energy that ignites.
Description
Technical field
The utility model relates to motor car engine, especially relates to the starting drive of the motor of the use list fuel under cryogenic conditions.
Background technique
Burn the automobile engine starting device of single fuel (such as methyl alcohol), when cold season and temperature are lower than less than 12 DEG C, can not start by normal ignition, even if also there is motor shake after starting, the phenomenon of unstable idle speed.This is because the latent heat of vaporization of methyl alcohol is 2.5 times of gasoline, during combustion methanol ato unit, cylinder temperature is lower than using pure gasoline, the difficulty of low-temperature methanol atomization simultaneously, easily causes the problem of fuel concentration deficiency around spark plug gap, causes cold start-up failure.
The reason of another one engine low-temperature cold starting difficulty is the striking energy shortage that conventional point fire coil can provide, and its fiery arc heat is little, and energy is low, is not enough to the low-temp methanol that ignites, especially under being the condition of subzero tens degree.
The current method improving cold start-up difficulty re-uses methanol fuel after adopting gasoline or the first warm-up the engine certain hour of other modes.This method needs installation two to overlap fuel injection control apparatus, very complicated, and cost is very high.Another kind method is restarted after pre-heating fuel, and this method requires that Preheating unit can link domestic power supply, very inconvenient, also there is potential safety hazard, simultaneously under the low-down condition of temperature cylinder, the fuel after heating sprays into cooling rapidly after in cylinder, can not ensure the validity of low-temperature cool starting.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of low-temperature startup device of motor car engine.
The utility model is that to solve the problems of the technologies described above the technological scheme adopted be the low-temperature startup device proposing a kind of motor car engine, comprises heating coil, cold-starting controller and plasma ignition system.Heating coil is wrapped in around the spray rail of fuel process.Cold-starting controller electrical connection automobile electronic control unit and this heating coil, this cold-starting controller automatically sets warm-up power according to the engine water tank temperature signal that this automobile electronic control unit collects and outputs to this heating coil.Plasma ignition system is electrically connected this cold-starting controller, responds the triggering of this cold-starting controller and provides the plasma ignition energy met required for low-temperature ignition at plasma plug tip clearance.
In an embodiment of the present utility model, plasma ignition system comprises plasma power supply, energy distributor, energy synthesis module and this plasma plug, the output terminal of this plasma power supply is electrically connected this energy distributor, the output terminal of this energy distributor is electrically connected this energy synthesis module, and the output terminal of this energy synthesis module connects this plasma plug.
In an embodiment of the present utility model, the material of this heating coil is carbon fiber.
In an embodiment of the present utility model, this this heating coil is made up of two semi-circular portions.
In an embodiment of the present utility model, this cold-starting controller controls this heating coil to the predetermined heat time.
The utility model, owing to adopting above technological scheme, makes it compared with prior art, has following remarkable advantage: directly can light methyl alcohol by increasing ignition energy, does not need the cold-starting being realized methanol engine by gasoline combustion preheater motor; Secondly while not changing former depot IGNITION CONTROL part, heating coil can spray rail by heating fuel, keep fuel ejection for spray pattern, then plasma ignition system exports higher ignition energy and produces plasma fire core, make single fuel reach flash ignition temperature blast and promote piston, realize the cold start-up under cryogenic conditions.
Accompanying drawing explanation
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent, below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, wherein:
Fig. 1 illustrates the motor car engine low-temperature startup device structure of the utility model one embodiment.
Fig. 2 illustrates the plasma ignition system schematic diagram of the low-temperature startup device of the utility model one embodiment.
Fig. 3 illustrates the heating coil sectional structure of the utility model one embodiment.
Embodiment
Fig. 1 illustrates the motor car engine low-temperature startup device structure of the utility model one embodiment.The motor car engine low-temperature startup device of the present embodiment comprises cold-starting controller 11, plasma ignition system 12 and heating coil 13.
Heating coil 13 is wrapped in around the spray rail 15 of fuel (such as methyl alcohol) 14 process.The direct of travel of fuel 14 in spray rail 15 is the direction of arrow, finally enters cylinder 16.In one embodiment, as shown in Figure 3, heating coil 13 is made up of two semi-circular portions 13a, 13b, need not dismantle spray rail 15 during installation, is directly wrapped in the spray peripheral both sides of rail 15.The material of heating coil 13 can be carbon fiber, containing carbon fiber heating silk.
Cold-starting controller 11 is electrically connected automobile electronic control unit (ElectronicControlUnit, ECU) 17.ECU17 is the core component of automobile electronic system, and its function carries out computing, process, judgement, then output order according to the program of its internal memory and data to the information that air mass flow takes into account the input of various sensor, such as, control the startup of automobile, oil spout etc.Cold-starting controller 11 can obtain enabled instruction from ECU17, and obtains engine water tank temperature signal, as the foundation of heating decisions.
Cold-starting controller 11 by 12V Power supply, and has power output end.Cold-starting controller 11 connects heating coil 13, in order to control its heating process by power output end 11a.When real work, the engine water tank temperature signal that cold-starting controller 11 can collect according to ECU sets warm-up power automatically, and output current is to heating coil 13.After heating coil 13 electrified regulation, raise the temperature of spray rail 15, make fuel 14 by reaching certain set temperature after spray rail 15, thus can spray pattern be kept when entering cylinder 16.Cold-starting controller 11, can also according to the length arranging the control predetermined heat time of temperature except controlling heating power.In general, the time that cold-starting controller 11 allows heating coil 13 heat is no more than 20 seconds.
Cold-starting controller 11 is also electrically connected and can triggers plasma ignition system 12, make plasma ignition system 12 provide at its plasma plug 24 tip clearance the plasma ignition energy met required for low-temperature ignition, make mixed gas reach the temperature of flash burn blast.
Fig. 2 illustrates the ignition system schematic diagram of the low-temperature startup device of the utility model one embodiment.Shown in figure 2, plasma ignition system 12 is electrically connected cold-starting controller 11, and is configured to respond the triggering of cold-starting controller 11 and provides the plasma ignition energy met required for low-temperature ignition at plasma plug 24 tip clearance.For this reason, plasma ignition system 12 comprises plasma power supply 21, energy distributor 22, energy synthesis module 23 and plasma plug 24.The output terminal electrical connection energy distributor 22 of plasma power supply 21, the output terminal electrical connection energy synthesis module 23 of energy distributor 22, the output terminal of energy synthesis module 23 connects plasma plug 24.In embodiment of the present utility model, energy synthesis module 23 can be single or multiple, and its quantity can be mated with plasma plug 24.
The working procedure of low-temperature startup device of the present utility model is described below.Under cryogenic during ato unit, cold-starting controller 11 accepts the temperature signal from ECU17, begin through the temperature that heating coil 13 raises spray rail 15, and control the length of heating time, making fuel 14 by reaching certain set temperature after spray rail 15, can spray pattern be kept when entering cylinder 16.Cold-starting controller 11 triggers plasma ignition system 12 simultaneously, the plasma ignition energy met required for low-temperature ignition is provided at its plasma plug 24 tip clearance, make mixed gas reach the temperature of flash burn blast, thus realize the startup under cryogenic of motor use single-fuel.
Low-temperature startup device of the present utility model directly can light methyl alcohol by increasing ignition energy, does not need the cold-starting being realized methanol engine by gasoline combustion preheater motor; Secondly while not changing former depot IGNITION CONTROL part, heating coil can spray rail by heating fuel, keep fuel ejection for spray pattern, then plasma ignition system exports higher ignition energy and produces plasma fire core, make single fuel reach flash ignition temperature blast and promote piston, realize the cold start-up under cryogenic conditions.Therefore low-temperature startup device of the present utility model has that structure is simple, easy for installation, the advantage of stable performance, is applicable to single fuel (as methyl alcohol, ethanol, the rock gas) engine ignition under cryogenic conditions.
Although the utility model describes with reference to current specific embodiment, but those of ordinary skill in the art will be appreciated that, above embodiment is only used to the utility model is described, change or the replacement of various equivalence also can be made when not departing from the utility model spirit, therefore, as long as all will drop in the scope of claims of the application the change of above-described embodiment, modification in spirit of the present utility model.
Claims (5)
1. a low-temperature startup device for motor car engine, is characterized in that comprising:
Heating coil, around the spray rail being wrapped in fuel process;
Cold-starting controller, electrical connection automobile electronic control unit and this heating coil, this cold-starting controller automatically sets warm-up power according to the engine water tank temperature signal that this automobile electronic control unit collects and outputs to this heating coil; And
Plasma ignition system, is electrically connected this cold-starting controller, responds the triggering of this cold-starting controller and provide the plasma ignition energy met required for low-temperature ignition at plasma plug tip clearance.
2. the low-temperature startup device of motor car engine as claimed in claim 1, it is characterized in that, this plasma ignition system comprises plasma power supply, energy distributor, energy synthesis module and this plasma plug, the output terminal of this plasma power supply is electrically connected this energy distributor, the output terminal of this energy distributor is electrically connected this energy synthesis module, and the output terminal of this energy synthesis module connects this plasma plug.
3. the low-temperature startup device of motor car engine as claimed in claim 1, it is characterized in that, the material of this heating coil is carbon fiber.
4. the low-temperature startup device of motor car engine as claimed in claim 1, it is characterized in that, this this heating coil is made up of two semi-circular portions.
5. the low-temperature startup device of motor car engine as claimed in claim 1, it is characterized in that, this cold-starting controller controls this heating coil to the predetermined heat time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520295333.1U CN204755127U (en) | 2015-05-08 | 2015-05-08 | Automobile engine's low temperature starting drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520295333.1U CN204755127U (en) | 2015-05-08 | 2015-05-08 | Automobile engine's low temperature starting drive |
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| CN204755127U true CN204755127U (en) | 2015-11-11 |
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| CN201520295333.1U Active CN204755127U (en) | 2015-05-08 | 2015-05-08 | Automobile engine's low temperature starting drive |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU183895U1 (en) * | 2018-06-21 | 2018-10-08 | федеральное государственное бюджетное образовательное учреждение высшего образования "Ульяновский государственный университет" | Prestarting device for fuel combustion engine |
| RU195328U1 (en) * | 2019-03-11 | 2020-01-23 | федеральное государственное бюджетное образовательное учреждение высшего образования "Ульяновский государственный университет" | Prestarting device for fuel heating of an internal combustion engine with a temperature controller |
-
2015
- 2015-05-08 CN CN201520295333.1U patent/CN204755127U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU183895U1 (en) * | 2018-06-21 | 2018-10-08 | федеральное государственное бюджетное образовательное учреждение высшего образования "Ульяновский государственный университет" | Prestarting device for fuel combustion engine |
| RU195328U1 (en) * | 2019-03-11 | 2020-01-23 | федеральное государственное бюджетное образовательное учреждение высшего образования "Ульяновский государственный университет" | Prestarting device for fuel heating of an internal combustion engine with a temperature controller |
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