CN202500683U - Starting preheating control device of automobile engine - Google Patents
Starting preheating control device of automobile engine Download PDFInfo
- Publication number
- CN202500683U CN202500683U CN2011205674036U CN201120567403U CN202500683U CN 202500683 U CN202500683 U CN 202500683U CN 2011205674036 U CN2011205674036 U CN 2011205674036U CN 201120567403 U CN201120567403 U CN 201120567403U CN 202500683 U CN202500683 U CN 202500683U
- Authority
- CN
- China
- Prior art keywords
- preheating
- control device
- control unit
- heating
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a starting preheating control device of an automobile engine. The starting preheating control device comprises a power supply unit and a MCU control unit. The MCU control unit is connected with a heating indication unit, a preheating control unit and an engine starting input control unit. By using the starting preheating control device of the automobile engine of the utility model, when the engine is started, the automatic preheating control and indication are realized according to an air inlet temperature of the engine. After the preheating is completed, a detection preheating relay contact carries out the detection. If there is conglutination, an alarm is given through using an indicating lamp. By using the control device, the intelligent control of the starting preheating of the automobile engine is realized. The control device can be used in multiple styles of passenger cars and trucks.
Description
Technical field
The utility model relates to a kind of automobile current generator start-control device, is specifically related to the intake temperature preheating control of card bus engine in a kind of winter.
Background technique
After getting into winter for passenger vehicle or truck, when ambient temperature is reduced to subzero 5 ℃, the engine start difficulty, weather is more and more colder, start difficult, and needing process that the air in the entering cylinder and fuel oil are carried out preheating could start.The engine start pre-heating system is made up of starting preheating control circuit and preheater.Traditional car engine start preheating control is fairly simple; Generally just directly control preheating relay by preheating switch, heated getting into cylinder air and fuel oil by preheating relay control preheater, heating time and heating-up temperature are controlled with sensation by driver oneself; It is not enough heating time to occur; Temperature does not reach and plays requirement, and frequently the too high situation of long temperature heating time also can appear in repeatedly preheating situation.Because heater power is big, operating current is big, preheating relay contact adhesion situation also can occur; If this occurs, because the preheating power supply is to be provided by storage battery, preheater will heat always; If catching fire or causing storage battery power shortage or other accident possibly appear in untimely fixing a breakdown.
The model utility content
The purpose of the utility model is the deficiency to above-mentioned existing technology, and a kind of car engine start pre-heating control device is provided, and can control heating time automatically, when the preheating relay adhesion, send warning, the generation of deduction and exemption accident.
The technological scheme of the utility model realizes in the following manner: a kind of car engine start pre-heating control device; Comprise power subsystem and MCU control unit, the MCU control unit links to each other with the engine start Input Control Element with heating indicating member, preheating control unit.
Said engine start Input Control Element comprises that ignition trigger input unit, preheater start input unit, generator voltage detection unit.
Said preheating control unit is made up of heater control relay, intake air temperature sensor, electric heater and heating relay contact detection unit.
Said MCU control unit is the NXP89LPC9107 single-chip microcomputer.
The utility model is realized automatic preheating control and indication according to Engine Inlet Temperature when engine start, after preheating is accomplished, detect the preheating relay contact and detect, if adhesion is reported to the police with tutorial light.This control gear has been realized car engine start preheating intelligent control, can in many moneys passenger vehicle and truck, use.
Description of drawings
Fig. 1 is the theory diagram of the utility model.
Fig. 2 is the circuit theory diagrams of the utility model.
Embodiment
As shown in Figure 1, a kind of car engine start pre-heating control device comprises power subsystem and MCU control unit, and the MCU control unit links to each other with the engine start Input Control Element with heating indicating member, preheating control unit.
Said engine start Input Control Element comprises that ignition trigger input unit, preheater start input unit, generator voltage detection unit.
Said preheating control unit is made up of heater control relay, intake air temperature sensor, electric heater and heating relay contact detection unit.
As shown in Figure 2, MCU control unit IC3 adopts Single-chip Controlling, and the single-chip microcomputer model is NXP 89LPC9107; Power subsystem is that power supply IG1+24V joins with piezoresistance RT1, the anti-reverse diode D1 of polarity; Form mu balanced circuit through current-limiting resistance R2, filter capacitor C4, C5 and resistance R 1, voltage-stabiliser tube ZW1, triode TR1, integrated voltage stabilizing chip IC 1, filter capacitor C1 and C2, output VCC voltage is received 10 pins of single-chip microcomputer IC3.
The ignition trigger input unit is through resistance R 3, R6, R7, and capacitor C 6 inserts 6 pin of single-chip microcomputer IC3, with the signal input MCU control unit of ignition trigger input unit; The preheater start unit is through resistance R 4, R8, R9, and capacitor C 7 inserts 9 pin of single-chip microcomputer IC3, with the signal input main control unit of preheater start unit; The detection of intake temperature realizes temperature detection through intake air temperature sensor; 12 pin of sensor input termination capacitor C 10, resistance R 21, R22 internal comparator in the single-chip microcomputer IC3, the reference voltage that R19, R20 constitute inserts 11 pin of internal comparator among the single-chip microcomputer IC3; Intake temperature is higher than-5 ℃, and sensor output voltage is at the 12 pin voltages of IC3 11 pin greater than IC3, and intake temperature is less than-5 ℃, and sensor output voltage is lower than 11 pin of IC3 at the 12 pin voltages of IC3.
The generator voltage detection unit is 3 pin of generator output voltage connecting resistance R15, R16, R17, capacitor C 11 to comparator IC2; The reference electrode crimping that R5, R18 constitute connects 2 pin of comparator IC2; The 1 pin output of comparator IC2 inserts 7 pin of single-chip microcomputer IC3; When generator had voltage output, this pin was a high level, is low level during no-output.
The 14 pin output of single-chip microcomputer IC3 is through triode TR4 output control heating relay R LEAY1; The relay common connects the IG+24V power supply; Normally opened contact connects preheater, the adhesive of Single-chip Controlling relay contact, disconnection, and relay control preheater heats and stops.
Heating relay contact detection unit is that the normally opened contact of preheating control relay passes through diode D2, capacitor C 9, resistance R 10, R11, R12; Capacitor C 10 inserts 8 pin of single-chip microcomputer IC3; After single-chip microcomputer output control signal control relay contact is broken off; Whether detect relay normally open contact and break off, relay contact, 8 pin of IC3 are high level if not breaking off when being the contact adhesion; 8 pin of IC3 were high level when the contact was broken off.
The heating indicating member is accomplished two of tutorial light by orange preheating tutorial light and green preheating, inserts automobile instrument panel respectively.The heating indicating member is the 1 pin output preheating index signal of single-chip microcomputer IC2, through triode TR3, and the preheating tutorial light (orange) of resistance R 14 to the controller dial plate; The 5 pin output preheating index signal that indicator light circuit is single-chip microcomputer IC2 is accomplished in heating, and through triode TR2, resistance R 13 is accomplished tutorial light (green) to the preheating on the controller dial plate.
The utility model function and using process are following:
(1), under not connection situation of preheating switch, the normal startup
A, intake temperature are higher than normally startup under-5 ℃ of situation
1. after detecting switch is connected (ON);
2. detect intake temperature, if be higher than-5 ℃, do not carry out preheating, the preheating tutorial light does not work;
3. detect the runnability of generator;
B, intake temperature are lower than normally startup under-5 ℃ of situation
1. after detecting switch is connected (ON);
2. detect intake temperature,, carry out preheating if be lower than-5 ℃, the preheating relay action, preheating tutorial light (orange) is bright, and preheating tutorial light (orange) extinguishes after 20 seconds;
3. the run indicator (green) of preheating completion is bright;
4. detect the generator operation situation, when generator operation is normal, the run indicator (green) that preheating is accomplished is extinguished;
5. after delaying time 30 seconds, turn-off preheating relay, stop preheating.
(2), under preheating switch connection situation, advanced ignition
Under preheating switch connection situation, the mode of advanced ignition is lower than the control of normal startup under-5 ℃ of situation with intake temperature identical.
A) inspection preheating relay contact adhesion situation
Accomplish under the later situation at the preheater heating starting, detect the connection situation of preheating relay contact.
(1), turn-off preheating relay, follow-on test 1S if its contact continues to connect, sends alarm signal through the preheating tutorial light, reports to the police and is designated as per minute 240 times.
(2) if preheating relay breaks off, flash of light stops, and stops to report to the police.
(3) if switch fire switch turn-offs, flash of light stops, and stops to report to the police.
Claims (4)
1. a car engine start pre-heating control device comprises power subsystem and MCU control unit, it is characterized in that: the MCU control unit links to each other with the engine start Input Control Element with heating indicating member, preheating control unit.
2. car engine start pre-heating control device according to claim 1 is characterized in that: said engine start Input Control Element comprises that ignition trigger input unit, preheater start input unit, generator voltage detection unit.
3. car engine start pre-heating control device according to claim 1 is characterized in that: said preheating control unit is made up of heater control relay, intake air temperature sensor, electric heater and heating relay contact detection unit.
4. car engine start pre-heating control device according to claim 1 is characterized in that: said MCU control unit is the NXP89LPC9107 single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205674036U CN202500683U (en) | 2011-12-30 | 2011-12-30 | Starting preheating control device of automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205674036U CN202500683U (en) | 2011-12-30 | 2011-12-30 | Starting preheating control device of automobile engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202500683U true CN202500683U (en) | 2012-10-24 |
Family
ID=47037298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205674036U Expired - Fee Related CN202500683U (en) | 2011-12-30 | 2011-12-30 | Starting preheating control device of automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202500683U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979655A (en) * | 2012-11-23 | 2013-03-20 | 三一重机有限公司 | Preheating control system and engineering machinery |
| 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 |
| CN104005849A (en) * | 2014-05-07 | 2014-08-27 | 潍柴动力股份有限公司 | Relay adhesion judgment method and system |
| CN106226694A (en) * | 2016-08-30 | 2016-12-14 | 潍柴动力股份有限公司 | A kind of inlet air heating relay fault diagnosis circuit, method for diagnosing faults and system |
| 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 |
| WO2020198822A1 (en) * | 2019-04-03 | 2020-10-08 | FRANCISCO RIZZOTTO, Vitorio | Device for heating and monitoring the temperature of fuel in the fuel line of an internal-combustion engine |
-
2011
- 2011-12-30 CN CN2011205674036U patent/CN202500683U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979655A (en) * | 2012-11-23 | 2013-03-20 | 三一重机有限公司 | Preheating control system and engineering machinery |
| CN102979655B (en) * | 2012-11-23 | 2016-02-10 | 三一重机有限公司 | Prewarming control system and engineering machinery |
| 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 |
| CN104005849A (en) * | 2014-05-07 | 2014-08-27 | 潍柴动力股份有限公司 | Relay adhesion judgment method and system |
| CN104005849B (en) * | 2014-05-07 | 2017-01-18 | 潍柴动力股份有限公司 | Relay adhesion judgment method and system |
| CN106226694A (en) * | 2016-08-30 | 2016-12-14 | 潍柴动力股份有限公司 | A kind of inlet air heating relay fault diagnosis circuit, method for diagnosing faults and system |
| CN106226694B (en) * | 2016-08-30 | 2019-03-08 | 潍柴动力股份有限公司 | A kind of inlet air heating relay fault diagnosis circuit, fault diagnosis method and system |
| 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 |
| WO2020198822A1 (en) * | 2019-04-03 | 2020-10-08 | FRANCISCO RIZZOTTO, Vitorio | Device for heating and monitoring the temperature of fuel in the fuel line of an internal-combustion engine |
| CN114174666A (en) * | 2019-04-03 | 2022-03-11 | 维托里奥·朗西斯科·里佐托 | Device for heating and monitoring the temperature of fuel in a fuel line of an internal combustion engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202500683U (en) | Starting preheating control device of automobile engine | |
| CN106226694B (en) | A kind of inlet air heating relay fault diagnosis circuit, fault diagnosis method and system | |
| CN205025674U (en) | Vehicle flame preheats starting device | |
| CN201265468Y (en) | Fuel tank of diesel engine | |
| CN106321320A (en) | Programmable type automobile cold start control system and method | |
| CN105799533A (en) | Method and device for controlling electric vehicle safety | |
| CN103147898A (en) | Starting control system and starting controlling method for engine of engineering machinery | |
| CN103775268A (en) | Cold started fuel oil heating and air intake preheating system and method for automotive engine | |
| CN203329234U (en) | Fire extinguishing device for automobile | |
| CN206539448U (en) | A kind of vehicle and its preheating device | |
| CN207644343U (en) | A kind of heavy vehicle windshield heating control system | |
| CN2611622Y (en) | Low temp starting electronic controller of automobile | |
| WO2009065329A1 (en) | A cold starting device and method for ethanol engines | |
| CN205779322U (en) | A kind of automobile diesel oil heating intelligence control system | |
| CN210416254U (en) | Charging seat temperature rise active protection detection device | |
| CN203567510U (en) | Control system for PTC auxiliary heating of automobile air conditioner | |
| CN105179092A (en) | Control method of methyl alcohol, biodiesel and diesel multi-fuel engine system | |
| CN213213181U (en) | Special vehicle storage battery emergency power supply control circuit | |
| CN110500158A (en) | A kind of engine control protective unit and method | |
| CN203702433U (en) | Engine starting preheating control device | |
| CN210948951U (en) | High-low temperature fuel oil automatic switching and management system | |
| CN203809191U (en) | Preheating control system for vehicle liquid level sensor | |
| CN203594531U (en) | Intelligent diesel heating controller | |
| CN219570213U (en) | Protection device and advance air heating system of air inlet preheating trouble | |
| CN104533685B (en) | Engine starting control system used for flexible fuel vehicle |
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: 20121024 Termination date: 20121230 |