CN203257586U - Diesel engine low-pressure low-temperature starting auxiliary device - Google Patents
Diesel engine low-pressure low-temperature starting auxiliary device Download PDFInfo
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- CN203257586U CN203257586U CN 201320150597 CN201320150597U CN203257586U CN 203257586 U CN203257586 U CN 203257586U CN 201320150597 CN201320150597 CN 201320150597 CN 201320150597 U CN201320150597 U CN 201320150597U CN 203257586 U CN203257586 U CN 203257586U
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- diesel engine
- fuel heater
- battery module
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- intensification
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Abstract
The utility model discloses a diesel engine low-pressure low-temperature starting auxiliary device which comprises a temperature rising starting mechanism and an electric starting mechanism. The temperature rising starting mechanism comprises a fuel heater, a temperature rising circulation pipeline, an electromagnetic valve and a water pump, wherein the temperature rising circulation pipeline enables a cooling circulation pipeline of cooling liquid to be communicated with the fuel heater, and the electromagnetic valve and the water pump are arranged on the temperature rising circulation pipeline. The electric starting mechanism comprises a starter and a starting power source, wherein the starting power source comprises a storage battery module, a super capacitor which is in parallel connection with the storage battery module, and a DC/DC converter which is simultaneously in parallel connection with the storage battery module and the super capacitor. The fuel heater is firstly used for warming cooling water to be a certain temperature, at the moment, a machine body is preheated, the temperature of lubricating oil rises, the fuel heater stops working and is switched to the cooling circulation mode, the super capacitor is in parallel connection with the storage battery module so as to supply power to the starter, the starter drives a crank shaft to rotate, and a diesel engine is successfully started.
Description
Technical field
The utility model relates to the cold-starting technical field, particularly relates to a kind of diesel engine lowpressure low-temperature staring aiding device.
Background technique
The cold starting performance of diesel engine is one of important performance indexes of diesel engine, and it not only is related to the working efficiency of complete machine, but also affects its exhaust index, oil consumption and working life.Under the altitude environment condition, because plateau section height above sea level (atmospheric pressure is low), oxygen content in air is few, day and night temperature is large, cold season is long, diesel engine intake temperature and suction pressure are descended simultaneously, cause the temperature and pressure that compression ends in the cylinder of diesel engine to descend, cause the interior mixed gas of cylinder and combustion condition not to reach diesel engine and light and the afterflame requirement.In addition, along with the reduction of ambient temperature, the output power of storage battery also correspondingly descend (30 ℃ time, rated output power descends about about 60%), cause diesel engine starting system power to descend, make diesel engine fail to start or can not start reliably under the low temperature in plateau condition.Improve the lowpressure, cold starting performance of diesel engine except diesel engine self is optimized the design, the most important thing is to adopt the cold-starting ancillary method.
At present, China plateau and cold district's active service diesel vehicle, almost 100% is equipped with the cold starting ancillary method.The cold starting ancillary method that adopts mainly contains glow plug, PTC pottery charge heating, flame charge heating, battery warmer etc.But, traditional diesel engine cold start ancillary method can not adapt to Plateau Cold Area harsh climate environmental conditions, especially in plateau (more than the 3000m) and severe cold (below 41 ℃) area, the cold-starting device of vehicle mounting and equipment are not suitable with the low temperature environment of Plateau Cold Area, and vehicle is difficult to smoothly starting.
Summary of the invention
The purpose of this utility model is for the technological deficiency that exists in the prior art, and the diesel engine lowpressure low-temperature staring aiding device of a kind of fuel heater and the combination of super capacitor multiple-connected battery is provided.
For realizing that the technological scheme that the purpose of this utility model adopts is:
A kind of diesel engine lowpressure low-temperature staring aiding device, comprise intensification starting mechanism and electric starting mechanism, the ramp cycle pipeline that described intensification starting mechanism comprises fuel heater, be communicated with the cool cycles pipeline of cooling liquid and fuel heater and be arranged on solenoid valve and water pump on the described ramp cycle pipeline; Described electric starting mechanism comprises starter motor and starts power supply that described startup power supply comprises battery module and super capacitor and simultaneously with battery module and the super capacitor in parallel DC/DC transducer in parallel with described battery module.
Described cool cycles pipeline comprises return pipe, intake pipe, circulating water pump and heat exchange department, described ramp cycle pipeline comprises intensification intake pipe and the intensification return pipe that is respectively arranged with solenoid valve on it, and described intensification intake pipe and intensification return pipe are communicated with fuel heater respectively with return pipe or intake pipe.
Described super capacitor is a plurality of successively super capacitors of series connection.
Compared with prior art, the beneficial effects of the utility model are:
The utility model at first is warming up to uniform temperature with fuel heater with cooling water, and this moment, body obtained preheating, and lubricating oil temperature raises, and fuel heater quits work and switches to the cool cycles pattern; Then super capacitor multiple-connected battery module for power supply is to starter motor, and diesel engine is started in the rotation of starter belt dynamic crankshaft smoothly.This device has strengthened the discharge capability of starting power supply on the one hand, has guaranteed the smooth starting of diesel engine; Reduce on the other hand starting resistance, alleviate the wearing and tearing of diesel engine when cold-starting, prolonged the working life of diesel engine.
Description of drawings
Figure 1 shows that structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
As shown in Figure 1, diesel engine lowpressure low-temperature staring aiding device of the present utility model comprises intensification starting mechanism and electric starter mechanism, the ramp cycle pipeline that described intensification starting mechanism comprises fuel heater 1, be communicated with the cool cycles pipeline of engine coolant and fuel heater and be arranged on solenoid valve and water pump 2 on the described ramp cycle pipeline; Described electric starting mechanism comprises starter motor 5 and starts power supply, and described startup power supply comprises battery module 3 and the super capacitor 4 in parallel with described battery module and the DC/DC transducer 6 simultaneously in parallel with described battery module 3 and super capacitor 4.
Wherein, the fuel oil hot heater is prior art, and such as the YJ series of ALAE etc., fuel heater is and motor heating equipment independently mutually, is the heater product by cooling liquid in the combustion heat-exchange principle heating circulation system.
Specifically, described cool cycles pipeline and prior art are together, it comprise return pipe, intake pipe, circulating water pump 11, heat exchange department and can control the conducting of described cool cycles pipeline or by the first valve 10, heat exchange can occur with motor and body etc. in described heat exchange department, play the cooling body, control lubricating oil temperature effect.Described ramp cycle pipeline comprises intensification intake pipe 12 and the intensification return pipe 13 that is respectively arranged with solenoid valve on it, described intensification intake pipe and intensification return pipe one end are communicated with the other end and are communicated with return pipe and intake pipe respectively with fuel heater 1, described the first valve is arranged between the connecting end of return pipe and intake pipe and cool cycles pipeline simultaneously, can switch like this cool cycles and the ramp cycle of cooling liquid by valve control.
When diesel engine starting, at first close the first valve 10 and control the conducting of ramp cycle pipeline, under the effect of water pump 2, cooling liquid can be carried out outer circulation and by fuel heater it is heated, fuel heater can significantly reduce the wearing and tearing of diesel engine in the cold starting process, when being warmed up to predetermined temperature, can control the first valve conducting and close simultaneously solenoid valve on the ramp cycle pipeline, make cooling liquid carry out cool cycles.
Further, intelligent for improving control, described the first valve and solenoid valve all are connected with the control device of fuel heater is controlled, while set temperature sensor on the liquid circulation pipeline, before starting fuel heater, switch each valve state and enter ramp cycle, fuel heater is by the burning diesel oil evolution of heat and by the heat exchange heated cooling fluid, when cooling liquid is heated to predetermined temperature, can stop fuel heater while switching solenoid valve to the cool cycles pattern, control is more intelligent like this, avoid the time to the heating of cooling liquid, reduce preheat time, reduce energy consumption.
Described electric starter utilization starts the power source driving starter motor and starts diesel engine, and the super capacitor that wherein starts power supply has good discharge capability and functional reliability under the extreme temperature environmental conditions, be the diesel engine starting power supply desirable in the plateau section.Because the super capacitor energy density is lower, electric power storage is indifferent, it is not high as main starting power supply feasibility to adopt super capacitor to substitute storage battery fully, so adopt super capacitor multiple-connected battery module as the diesel engine starting power supply.Fuel heater and super capacitor multiple-connected battery module combinations are worked the lowpressure, the cold-starting device that are used as diesel engine solved well diesel engine cold starting hard problem under the altitude environment condition.
Preferably, the single super capacitor operating voltage 2.4V that the utility model adopts, capacity 1200F, for improving using effect, the utility model adopts the super capacitor group that is in series by 10 super capacitors.Adopt simultaneously the DC/DC transducer in parallel with storage battery and super capacitor, keep the harmonious and stable of each ultracapacitor voltage.Guarantee smoothly stable startup of starter motor.
That is, the utility model at first is warming up to uniform temperature with fuel heater with cooling water, and this moment, body obtained preheating, and lubricating oil temperature raises, and fuel heater quits work and switches to the cool cycles pattern; Then super capacitor multiple-connected battery module for power supply is to starter motor, and diesel engine is started in the rotation of starter belt dynamic crankshaft smoothly.Can guarantee that diesel engine starts smoothly under 5500m height above sea level ,-41 ℃ of environmental conditionss.This device has strengthened the discharge capability of starting power supply on the one hand, has guaranteed the smooth starting of diesel engine; Reduce on the other hand starting resistance, alleviate the wearing and tearing of diesel engine when cold-starting, prolonged the working life of diesel engine.
The above only is preferred implementation of the present utility model; should be noted that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (3)
1. diesel engine lowpressure low-temperature staring aiding device, it is characterized in that, comprise intensification starting mechanism and electric starting mechanism, the ramp cycle pipeline that described intensification starting mechanism comprises fuel heater, be communicated with the cool cycles pipeline of cooling liquid and fuel heater and be arranged on solenoid valve and water pump on the described ramp cycle pipeline; Described electric starting mechanism comprises starter motor and starts power supply that described startup power supply comprises battery module and super capacitor and simultaneously with battery module and the super capacitor in parallel DC/DC transducer in parallel with described battery module.
2. diesel engine lowpressure low-temperature staring aiding device as claimed in claim 1, it is characterized in that, described cool cycles pipeline comprises return pipe, intake pipe, circulating water pump and heat exchange department, described ramp cycle pipeline comprises intensification intake pipe and the intensification return pipe that is respectively arranged with solenoid valve on it, and described intensification intake pipe and intensification return pipe are communicated with fuel heater respectively with return pipe or intake pipe.
3. diesel engine lowpressure low-temperature staring aiding device as claimed in claim 1 or 2 is characterized in that, described super capacitor is a plurality of successively super capacitors of series connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320150597 CN203257586U (en) | 2013-03-28 | 2013-03-28 | Diesel engine low-pressure low-temperature starting auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320150597 CN203257586U (en) | 2013-03-28 | 2013-03-28 | Diesel engine low-pressure low-temperature starting auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203257586U true CN203257586U (en) | 2013-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320150597 Expired - Fee Related CN203257586U (en) | 2013-03-28 | 2013-03-28 | Diesel engine low-pressure low-temperature starting auxiliary device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061103A (en) * | 2014-06-30 | 2014-09-24 | 张丽丽 | Electric heating cylinder sleeve water preheater |
| CN106870239A (en) * | 2017-04-25 | 2017-06-20 | 万立新 | Diesel engine low-temperature start system |
| CN108301928A (en) * | 2018-03-12 | 2018-07-20 | 西北工业大学 | Fuel heating system |
| CN114139356A (en) * | 2021-11-22 | 2022-03-04 | 北京理工大学 | Design method for minimum preheating power of diesel engine heating pot with low-temperature adaptability |
-
2013
- 2013-03-28 CN CN 201320150597 patent/CN203257586U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061103A (en) * | 2014-06-30 | 2014-09-24 | 张丽丽 | Electric heating cylinder sleeve water preheater |
| CN106870239A (en) * | 2017-04-25 | 2017-06-20 | 万立新 | Diesel engine low-temperature start system |
| CN108301928A (en) * | 2018-03-12 | 2018-07-20 | 西北工业大学 | Fuel heating system |
| CN108301928B (en) * | 2018-03-12 | 2023-08-22 | 西北工业大学 | Fuel heating system |
| CN114139356A (en) * | 2021-11-22 | 2022-03-04 | 北京理工大学 | Design method for minimum preheating power of diesel engine heating pot with low-temperature adaptability |
| CN114139356B (en) * | 2021-11-22 | 2023-08-04 | 北京理工大学 | Minimum preheating power design method for diesel heating pot with low-temperature adaptability |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20140328 |