CN104179619B - Glow plug warm-up control method - Google Patents
Glow plug warm-up control method Download PDFInfo
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- CN104179619B CN104179619B CN201310201672.4A CN201310201672A CN104179619B CN 104179619 B CN104179619 B CN 104179619B CN 201310201672 A CN201310201672 A CN 201310201672A CN 104179619 B CN104179619 B CN 104179619B
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Abstract
The present invention relates to automobile manufacturing field, specifically disclose a kind of glow plug prewarming control system and method, described system comprises electrical storage device, ignition switch, warm-up control unit, cooling-water temperature sensor and glow plug device, described method is for to be adjusted to ON shelves by ignition switch, detect the temperature of engine coolant by cooling-water temperature sensor, in the time that the temperature of engine coolant is less than preset temperature, warm-up control unit controls glow plug preheats engine, ignition switch is adjusted to Start shelves, engine start, warm-up control unit controls glow plug starts rear heating to engine, in the time that the temperature of engine coolant is greater than preset temperature or glow plug engine is started rear heating and reaches Preset Time, glow plug prewarming control system quits work. the invention solves the problem of light diesel passenger vehicle difficulty in starting in the situation that environment temperature is lower, pre-heat effect is good, has reduced blowdown more than 40%.
Description
Technical field
The present invention relates to automobile manufacturing field, relate in particular to glow plug prewarming control system and the method for light diesel passenger vehicle.
Background technology
Light diesel passenger vehicle is in the time of cold district and severe cold season ato unit, and because engine oil viscosity is high, the resistance of start increases, and easily causes the problems such as engine start difficulty. In prior art, the engine of the vehicles such as landscape 4D20 light diesel passenger vehicle adopts Flame preheating plug formula mode of heating to carry out preheating to engine, but, this preheating method is minimum can only meet the startup requirement of environment temperature in the time of subzero 20 DEG C, under the lower condition of environment temperature, difficulty in starting, pre-heat effect is poor, environmental pollution is serious, can not Based Intelligent Control warm.
Summary of the invention
(1) technical problem that will solve
The object of this invention is to provide a kind of glow plug prewarming control system and method, to overcome available technology adopting Flame preheating plug formula mode of heating, engine is carried out to preheating, difficulty in starting and the poor problem of pre-heat effect under the lower condition of environment temperature.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of glow plug prewarming control system, comprise electrical storage device, ignition switch, warm-up control unit, cooling-water temperature sensor and glow plug device, described electrical storage device is connected with ignition switch and glow plug device, described warm-up control unit is connected with ignition switch, cooling-water temperature sensor and glow plug device, and described cooling-water temperature sensor is for detection of the temperature of engine coolant.
Preferably, described glow plug device comprises glow plug relay, glow plug connecting plate and glow plug, described glow plug relay is connected with electrical storage device, warm-up control unit and glow plug connecting plate, and described glow plug is connected and is located in engine cylinder cover with glow plug connecting plate.
Preferably, described system also comprises indicator lamp, and described indicator lamp is connected with ignition switch and warm-up control unit.
The present invention also provides a kind of method of glow plug warm-up control, and the step of described method comprises:
S1. ignition switch is adjusted to ON shelves, detects the temperature of engine coolant by cooling-water temperature sensor;
S2. in the time that the temperature of engine coolant is less than A DEG C, warm-up control unit controls glow plug preheats engine;
S3. ignition switch is adjusted to Start shelves, engine start, warm-up control unit controls glow plug starts rear heating to engine;
S4. in the time that the temperature of engine coolant is greater than B DEG C or glow plug engine is started to rear heating C second, glow plug prewarming control system quits work;
Wherein, A is for starting preheat temperature value, and B is for finishing preheat temperature value, and C is heat time value after starting.
Preferably, glow plug preheats after D second engine, preheats time-out, waits for engine start;
Wherein, D is for preheating time value.
Preferably, if suspend in E second preheating, ignition switch is not adjusted to Start shelves, glow plug prewarming control system quits work; If suspend in E second preheating, ignition switch is adjusted to Start shelves, engine start, glow plug starts rear heating to engine;
Wherein, E is latency value.
Preferably, described beginning preheat temperature value A is 5～15, and described end preheat temperature value B is 10～25.
Preferably, after described startup, heat time value C is 20～60.
Preferably, described in, preheating time value D is 20～40.
Preferably, described latency value E is 20～40.
(3) beneficial effect
The present invention adopts glow plug prewarming control system to carry out preheating to the engine of light diesel passenger vehicle, the temperature of the engine coolant that warm-up control unit detects according to cooling-water temperature sensor judges whether to control glow plug and carries out preheating, and according to length preheating time of setup control glow plug in advance, this preheating method is mainly the problem for cold district and severe cold season car load engine start difficulty, can solve significantly light diesel passenger vehicle and under the lower condition of environment temperature, start the situation that operation has some setbacks, it can meet environment temperature in the subzero startup requirement of engine below 25 DEG C time, pre-heat effect is good, ensure that light diesel passenger vehicle can normally move stably under the lower condition of environment temperature, greatly improve the low-temperature startup performance of car load, reduce blowdown more than 40%, without cold start-up engine knock, engine operation is quieter, thereby in the time starting, protect engine to extend the service life of engine.
Brief description of the drawings
Fig. 1 is the pie graph of glow plug prewarming control system of the invention process.
In figure, 1: electrical storage device; 2: ignition switch; 3: indicator lamp; 4: warm-up control unit; 5: cooling-water temperature sensor; 6: glow plug relay; 7: glow plug connecting plate; 8: glow plug.
Detailed description of the invention
Below in conjunction with drawings and Examples, embodiments of the present invention are described in further detail. Following examples are used for illustrating the present invention, but can not be used for limiting the scope of the invention.
Embodiment 1
As shown in Figure 1, the glow plug prewarming control system of the present embodiment comprises electrical storage device 1, ignition switch 2, indicator lamp 3, warm-up control unit 4, cooling-water temperature sensor 5, glow plug relay 6, glow plug connecting plate 7 and glow plug 8, and each parts are connected with plug connector by wire.
Wherein, electrical storage device 1 is battery, is used to whole system power supply, and described battery is connected with ignition switch 2 and glow plug relay 6 respectively; Warm-up control unit 4 is connected with ignition switch 2, indicator lamp 3, cooling-water temperature sensor 5 and glow plug relay 6 respectively, the ECT value that warm-up control unit 4 detects according to cooling-water temperature sensor 5 and default temperature value and time value are processed, to control glow plug relay 6, thereby control glow plug 8; Indicator lamp 3 is connected with ignition switch again, the effect that they can be different according to different warm-up phase demonstrations place, bright, stroboscopic of 1 time/second as usual etc.; The output of cooling-water temperature sensor 5 is connected with warm-up control unit 4, for detection of the temperature of engine coolant, and the temperature value detecting is transferred to warm-up control unit 4; Glow plug relay 6 is connected with output and the glow plug connecting plate 7 of warm-up control unit 4 respectively, glow plug 8 is connected with glow plug connecting plate 7 and is located in engine cylinder cover, glow plug 8 can be one or more, when glow plug 8 is worked, after its inner resistance wire energising, rapidly heater is heated to red heat state, the air themperature in combustion chamber is raise.
The step of the glow plug warm-up control method of the present embodiment comprises:
S1. ignition switch 2 is adjusted to ON shelves, detects the temperature of engine coolant by cooling-water temperature sensor 5;
S2. in the time that the temperature of the engine coolant detecting is less than 5 DEG C (beginning preheat temperature), warm-up control unit 4 is controlled glow plug 8 and is started engine to preheat, indicator lamp 3 Chang Liang, and the time of preheating is 20 seconds;
When glow plug 8 preheats while reaching 20 seconds engine, indicator lamp 3, from the normal bright stroboscopic that becomes 1 time/second, preheats time-out, waits for engine start;
S3. the stand-by period preheating after time-out is 20 seconds, if suspend in latter 20 seconds preheating, ignition switch 2 is not adjusted to Start shelves, and glow plug prewarming control system quits work; If suspend in latter 20 seconds preheating, ignition switch 1 is adjusted to Start shelves, engine start, glow plug 8 starts rear heating to engine, and indicator lamp 3 becomes Chang Liang from the stroboscopic of 1 time/second, and ignition switch 2 falls back on ON shelves from Start shelves;
If just ignition switch 2 is adjusted to Start in the time that glow plug 8 preheats less than 20 seconds to engine, engine still normally starts, and glow plug 8 starts rear heating to engine.
S4. engine is started to rear heating and reach 20 seconds when (heat time after starting) when the temperature of engine coolant is greater than 10 DEG C (end preheat temperatures) or glow plug, glow plug prewarming control system quits work, and preheating finishes.
Wherein, start 5 DEG C of preheat temperatures, preheat 20 seconds time, 20 seconds stand-by period, finish 10 DEG C of preheat temperatures and start after 20 seconds heat times require input in warm-up control unit 4 or be preset in the data in warm-up control unit 4 according to actual conditions for user.
Embodiment 2
The formation of the glow plug prewarming control system of the present embodiment is identical with embodiment 1.
The step of the glow plug warm-up control method of the present embodiment comprises:
S1. ignition switch 2 is adjusted to ON shelves, detects the temperature of engine coolant by cooling-water temperature sensor 5;
S2. in the time that the temperature of the engine coolant detecting is less than 10 DEG C (beginning preheat temperature), warm-up control unit 4 is controlled glow plug 8 and is started engine to preheat, indicator lamp 3 Chang Liang, and the time of preheating is 30 seconds;
When glow plug 8 preheats while reaching 30 seconds engine, indicator lamp 3, from the normal bright stroboscopic that becomes 1 time/second, preheats time-out, waits for engine start;
S3. the stand-by period preheating after time-out is 30 seconds, if suspend in latter 30 seconds preheating, ignition switch 2 is not adjusted to Start shelves, and glow plug prewarming control system quits work; If suspend in latter 30 seconds preheating, ignition switch 1 is adjusted to Start shelves, engine start, glow plug 8 starts rear heating to engine, and indicator lamp 3 often becomes from the stroboscopic of 1 time/second is bright, and ignition switch 2 falls back on ON shelves from Start shelves;
If just ignition switch 2 is adjusted to Start in the time that glow plug 8 preheats less than 30 seconds to engine, engine still normally starts, and glow plug 8 starts rear heating to engine.
S4. engine is started to rear heating and reach 40 seconds when (heat time after starting) when the temperature of engine coolant is greater than 10 DEG C (end preheat temperatures) or glow plug, glow plug prewarming control system quits work, and preheating finishes.
Wherein, start 10 DEG C of preheat temperatures, preheat 30 seconds time, 30 seconds stand-by period, finish 10 DEG C of preheat temperatures and start after 40 seconds heat times require input in warm-up control unit 4 or be preset in the data in warm-up control unit 4 according to actual conditions for user.
Embodiment 3
The formation of the glow plug prewarming control system of the present embodiment, compared with embodiment 1, has been cancelled indicator lamp.
The step of the glow plug warm-up control method of the present embodiment comprises:
S1. ignition switch 2 is adjusted to ON shelves, detects the temperature of engine coolant by cooling-water temperature sensor 5;
S2. in the time that the temperature of the engine coolant detecting is less than 15 DEG C (beginning preheat temperature), warm-up control unit 4 is controlled glow plug 8 and is started engine to preheat, and the time of preheating is 40 seconds;
When glow plug 8 preheats while reaching 40 seconds engine, preheat time-out, wait for engine start;
S3. the stand-by period preheating after time-out is 40 seconds, if suspend in latter 40 seconds preheating, ignition switch 2 is not adjusted to Start shelves, and glow plug prewarming control system quits work; If suspend in latter 40 seconds preheating, ignition switch 1 is adjusted to Start shelves, engine start, glow plug 8 starts rear heating to engine, and ignition switch 2 falls back on ON shelves from Start shelves;
If just ignition switch 2 is adjusted to Start in the time that glow plug 8 preheats less than 40 seconds to engine, engine still normally starts, and glow plug 8 starts rear heating to engine.
S4. engine is started to rear heating and reach 60 seconds when (heat time after starting) when the temperature of engine coolant is greater than 25 DEG C (end preheat temperatures) or glow plug, glow plug prewarming control system quits work, and preheating finishes.
Wherein, start 15 DEG C of preheat temperatures, preheat 40 seconds time, 40 seconds stand-by period, finish 25 DEG C of preheat temperatures and start after 60 seconds heat times require input in warm-up control unit 4 or be preset in the data in warm-up control unit 4 according to actual conditions for user.
The scope of the each data in the warm-up control unit of glow plug warm-up control method of the present invention is: start 5 DEG C～15 DEG C of preheat temperatures, preheat 20 seconds～40 seconds time, 20 seconds～40 seconds stand-by period, finish 10 DEG C～25 DEG C of preheat temperatures, start after 20 seconds～60 seconds heat time, those skilled in the art should select suitable numerical value according to actual conditions.
The present invention is mainly the problem for cold district and severe cold season car load engine start difficulty, can solve significantly light diesel passenger vehicle and under the lower condition of environment temperature, start the situation that operation has some setbacks, it can meet environment temperature in the subzero startup requirement of engine below 25 DEG C time, pre-heat effect is good, ensure that light diesel passenger vehicle can normally move stably under the lower condition of environment temperature, greatly improve the low-temperature startup performance of car load, in the time of warming-up, adopt the preheating working method of heating after starting will reduce blowdown more than 40%, without cold start-up engine knock, engine operation is quieter, thereby in the time starting, protect engine to extend the service life of engine.
Embodiments of the invention provide for example with for the purpose of describing, and are not exhaustively or limit the invention to disclosed form. Many modifications and variations are apparent for the ordinary skill in the art. Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the present invention's design to be suitable for the various embodiment with various amendments of special-purpose.
Claims (5)
1. a method for glow plug warm-up control, is characterized in that, the step bag of described methodDraw together:
S1. ignition switch is adjusted to ON shelves, detects engine coolant by cooling-water temperature sensorTemperature;
S2. in the time that the temperature of engine coolant is less than A DEG C, warm-up control unit controls glow plugEngine is preheated;
S3. ignition switch is adjusted to Start shelves, engine start, warm-up control unit controls electric heatingPlug starts rear heating to engine;
S4. after the temperature of engine coolant is greater than B DEG C or glow plug engine is startedWhen heating C second, glow plug prewarming control system quits work;
Wherein, A is for starting preheat temperature value, and B is for finishing preheat temperature value, and C adds after startingHot time value;
Glow plug preheats after D second engine, preheats time-out, waits for that engine opensMoving; Wherein, D is for preheating time value;
If suspend in E second preheating, ignition switch is not adjusted to Start shelves, glow plug is pre-Thermal control system quits work; If suspend in E second preheating, ignition switch be adjusted to StartShelves, engine start, glow plug starts rear heating to engine; Wherein, E is for waiting forTime value.
2. glow plug warm-up control method according to claim 1, is characterized in that instituteStating beginning preheat temperature value A is 5～15, and described end preheat temperature value B is 10～25.
3. glow plug warm-up control method according to claim 1, is characterized in that instituteStating the rear heat time value C of startup is 20～60.
4. glow plug warm-up control method according to claim 1, is characterized in that instituteStating and preheating time value D is 20～40.
5. the glow plug warm-up control method of stating according to claim 1, is characterized in that, described inLatency value E is 20～40.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310201672.4A CN104179619B (en) | 2013-05-27 | 2013-05-27 | Glow plug warm-up control method |
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| CN201310201672.4A CN104179619B (en) | 2013-05-27 | 2013-05-27 | Glow plug warm-up control method |
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| CN104179619A CN104179619A (en) | 2014-12-03 |
| CN104179619B true CN104179619B (en) | 2016-05-04 |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104723961B (en) * | 2015-04-08 | 2017-10-27 | 南通理工学院 | A kind of winter automobile warming up starting alarm set |
| CN105065170A (en) * | 2015-07-24 | 2015-11-18 | 安徽天利动力股份有限公司 | Inlet air heating device of diesel engine |
| CN105291764B (en) * | 2015-10-19 | 2017-11-14 | 郑州宇通客车股份有限公司 | A kind of control method of motor vehicle driven by mixed power and its independent water-heating system and correlation |
| CN106812635A (en) * | 2017-03-31 | 2017-06-09 | 江西五十铃发动机有限公司 | A kind of engine glow plug control device and its control method |
| CN108204324A (en) * | 2017-12-08 | 2018-06-26 | 中国北方发动机研究所(天津) | A kind of diesel engine plateau cold start pre-heating mean |
| CN108762119B (en) * | 2018-05-25 | 2023-04-25 | 北京海光仪器有限公司 | Flame ignition device for analytical instrument and control method |
| CN109098910A (en) * | 2018-09-07 | 2018-12-28 | 浙江吉利控股集团有限公司 | A kind of auxiliary system starting method and apparatus |
| CN109339990B (en) * | 2018-10-30 | 2021-01-12 | 中国北方发动机研究所(天津) | Active flame air inlet preheating control system and method |
| CN109458284B (en) * | 2018-12-27 | 2024-01-30 | 湖北超能农业装备有限公司 | Safety starting device for engine |
| CN109723594B (en) * | 2018-12-27 | 2021-08-10 | 湖北超能农业装备有限公司 | Engine cold start control circuit, control method, device and storage medium |
| CN111946524B (en) * | 2019-05-14 | 2022-05-31 | 上海夏雪科技有限公司 | Method and device for controlling internal combustion engine, and computer-readable storage medium |
| CN110966130A (en) * | 2019-12-09 | 2020-04-07 | 三一重机有限公司 | Starting motor protection method and device, engineering machinery and storage medium |
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