CN111691989A - Low-temperature starting control method and system - Google Patents
Low-temperature starting control method and system Download PDFInfo
- Publication number
- CN111691989A CN111691989A CN202010495509.3A CN202010495509A CN111691989A CN 111691989 A CN111691989 A CN 111691989A CN 202010495509 A CN202010495509 A CN 202010495509A CN 111691989 A CN111691989 A CN 111691989A
- Authority
- CN
- China
- Prior art keywords
- temperature
- heating
- heating assembly
- threshold value
- engine
- 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.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
- F02D29/02—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
- F02N19/02—Aiding engine start by thermal means, e.g. using lighted wicks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
- F02N19/02—Aiding engine start by thermal means, e.g. using lighted wicks
- F02N19/04—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
- F02N19/02—Aiding engine start by thermal means, e.g. using lighted wicks
- F02N19/04—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines
- F02N19/10—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines by heating of engine coolants
Abstract
The application discloses a low-temperature starting control method and a system, which relate to the technical field of automobile control, and the method comprises the following steps: the low-temperature heating switch is used for simultaneously controlling the first heating assembly to heat the storage battery, the second heating assembly to heat the engine cooling liquid, the third heating assembly to heat the fuel oil in the oil tank and the super-capacitor controller to build pressure on the super-capacitor; the instrument is powered on, when the temperature of the cooling liquid is not less than a first temperature threshold value, the temperature of the storage battery is not less than a second temperature threshold value, the fuel oil in the oil tank is in a heating state, and the voltage of the super capacitor is kept at a voltage threshold value, the first heating assembly feeds back the temperature of the storage battery at the moment, the second heating assembly feeds back the temperature of the cooling liquid at the moment, the third heating assembly feeds back the heating state of the fuel oil in the oil tank at the moment, and the super capacitor controller feeds back the voltage of the super; the instrument displays an engine starting signal, and the buzzer buzzes for alarming. This application can realize low temperature quick start to promote the battery performance.
Description
Technical Field
The application relates to the technical field of automobile control, in particular to a low-temperature starting control method and system.
Background
At present, the basic requirement of the national military standard on the electrical system of the military vehicle is that the vehicle can be started normally in a low-temperature environment of-41 ℃. At present, military demands the starting time of vehicles within 20min, but most starting processes are overtime. The existing civil cargo truck cannot realize the rapid starting of the vehicle in an extremely cold area even within 30min under the condition of not increasing the capacity of the storage battery.
In the related technology, the modes for improving the low-temperature starting of the whole vehicle are mainly engine intake preheating, engine coolant heating and the like so as to meet the starting condition that the temperature of the engine coolant, the temperature of the engine intake and the like reach the starting condition.
However, the improved control method requires multiple switches, and power supply and power off to each system are manually operated, which not only complicates the operation, but also prolongs the engine start time. In addition, if the driver forgets to cut off the power, the power supply of the storage battery is caused, and the low-temperature starting is not facilitated.
Disclosure of Invention
In view of one of the drawbacks of the prior art, the present application provides a low temperature start control method and system to solve the problems of complicated manual operation and long start time of the conventional low temperature start method.
A first aspect of the present application provides a low-temperature start control method, including the steps of:
simultaneously controlling a first heating assembly to heat the storage battery, a second heating assembly to heat engine cooling liquid, a third heating assembly to heat fuel oil in an oil tank and a super capacitor controller to build voltage on the super capacitor through a low-temperature heating switch;
when the temperature of the cooling liquid is not less than a first temperature threshold value, the temperature of the storage battery is not less than a second temperature threshold value, the fuel oil in the oil tank is in a heating state, and the voltage of the super capacitor is kept at a voltage threshold value, the first heating assembly feeds back the temperature of the storage battery at the moment, the second heating assembly feeds back the temperature of the cooling liquid at the moment, the third heating assembly feeds back the heating state of the fuel oil in the oil tank at the moment, and the super capacitor controller feeds back the voltage of the super capacitor to the instrument at the moment;
the meter displays an engine starting signal according to the feedback and sends a control signal to a buzzer, and the buzzer gives a buzzer alarm.
In some embodiments, the second heating element stops heating when the temperature of the cooling liquid reaches a third temperature threshold;
when the temperature of the storage battery reaches a fourth temperature threshold value, the first heating assembly stops heating;
and when the fuel temperature of the fuel tank reaches a fifth temperature threshold value, the third heating assembly stops heating.
In some embodiments, further comprising:
when the buzzer buzzes for alarming, the starter is electrified and the engine is started;
if the engine is not started successfully, the starter is powered off, and is powered on again after a period of time and starts the engine until the rotating speed of the engine is greater than the rotating speed threshold value.
In some embodiments, further comprising:
and when the low-temperature heating switch is switched on and the switching-on time reaches a first time threshold value, if the buzzer still does not give out a buzzing alarm, the starting state is exited.
In some embodiments, when the low-temperature heating switch is turned on and the on time reaches a second time threshold, if the engine speed is still not greater than the speed threshold, the starting state is exited; the first time threshold is less than the second time threshold.
A second aspect of the present application provides a cold start control system, comprising:
the first heating assembly is used for heating the storage battery;
a second heating assembly for heating the engine coolant;
the third heating assembly is used for heating fuel oil in the oil tank;
the super capacitor controller is used for controlling the super capacitor to carry out voltage building and charging;
the low-temperature heating switch is used for simultaneously controlling the first heating assembly, the second heating assembly, the third heating assembly and the super capacitor controller to work;
the instrument is used for receiving the temperature of the storage battery fed back by the first heating assembly, the temperature of the cooling liquid fed back by the second heating assembly, the heating state of the fuel oil in the oil tank fed back by the third heating assembly and the voltage of the super capacitor fed back by the super capacitor controller when the temperature of the cooling liquid is not less than a first temperature threshold value, the temperature of the storage battery is not less than a second temperature threshold value, the fuel oil in the oil tank is in a heating state, and the voltage of the super capacitor is kept at a voltage threshold value after the power-on, displaying an engine starting signal and sending a control signal to the buzzer;
and the buzzer is used for sending out a buzzing alarm after receiving the control signal.
In some embodiments, the first heating assembly is further configured to stop heating when the battery temperature reaches a fourth temperature threshold;
the second heating assembly is also used for stopping heating when the temperature of the cooling liquid reaches a third temperature threshold value;
the third heating assembly is also used for stopping heating when the fuel temperature of the fuel tank reaches a fifth temperature threshold value.
In some embodiments, further comprising: a timing component for timing the on-time after the low-temperature heating switch is switched on;
and when the on-time reaches a first time threshold value, if the buzzer does not give out a buzzing alarm, the starting state is exited.
In some embodiments, when the on-time reaches a second time threshold, if the engine speed is still not greater than the speed threshold, the start-up state is exited;
the first time threshold is less than the second time threshold.
In some embodiments, the buzzer is further configured to sound an alarm at equal time intervals a plurality of times after exiting the activated state.
The beneficial effect that technical scheme that this application provided brought includes:
the low-temperature starting control method and the system simultaneously control the first heating component, the second heating component, the third heating component and the super capacitor controller to work through the low-temperature heating switch, then after the instrument is electrified, when the instrument displays that the temperature of the cooling liquid is not less than a first temperature threshold value, the storage battery and the fuel oil in the oil tank are both in a heating state, and the voltage of the super capacitor is kept at a voltage threshold value, the instrument displays an engine starting signal, the buzzer buzzes to prompt that the starter can be electrified and the engine can be started at the moment, and when the rotating speed of the engine is more than a rotating speed threshold value, the engine is successfully started, therefore, the special development of the controller is not needed, the low-temperature heating switch is only controlled to be switched on, the working states of the multi-heating component and the super capacitor are combined, the low-temperature quick starting can be realized, the method has popularization value particularly for starting vehicles in extremely cold regions.
Drawings
Fig. 1 is a flowchart of a low-temperature start control method according to an embodiment of the present disclosure;
fig. 2 is an electrical schematic diagram of a low-temperature start control system according to an embodiment of the present application.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1, an embodiment of the present application provides a low temperature start control method, which includes the steps of:
s1, a first heating assembly is controlled to heat a storage battery, a second heating assembly is controlled to heat engine cooling liquid, a third heating assembly is controlled to heat fuel oil of an oil tank, and a super capacitor controller builds pressure on a super capacitor through a low-temperature heating switch.
S2, switching a key to an ON gear, electrifying the instrument, when the instrument displays that the temperature of the cooling liquid is not less than a first temperature threshold value, the temperature of the storage battery is not less than a second temperature threshold value, the fuel oil in the oil tank is in a heating state, and the voltage of the super capacitor is kept at a voltage threshold value, feeding back the temperature of the storage battery by the first heating assembly, feeding back the temperature of the cooling liquid by the second heating assembly, feeding back the heating state of the fuel oil in the oil tank at the moment by the third heating assembly, and feeding back the voltage of the super capacitor to the instrument at the moment by the super.
And S3, displaying an engine starting signal by the instrument according to the feedback, sending a control signal to the buzzer, and carrying out buzzing alarm by the buzzer.
In this embodiment, the first temperature threshold and the second temperature threshold are both determined by a real vehicle test. The first temperature threshold is preferably 27 ℃. Alternatively, the words "start possible" are displayed on the screen of the meter, and the buzzer buzzes (frequency 1Hz, duty cycle 50%) to indicate to the driver that the engine is ready to be started.
The low-temperature starting control method of the embodiment controls the first heating component, the second heating component, the third heating component and the super capacitor controller to work simultaneously through the low-temperature heating switch, then after the instrument is electrified, when the instrument displays that the temperature of the cooling liquid is not less than a first temperature threshold value, the storage battery and the fuel oil in the oil tank are both in a heating state, when the voltage of the super capacitor is kept at the voltage threshold value, the instrument displays an engine starting signal, the buzzer buzzes to prompt that the starter can be electrified and the engine can be started, after the rotating speed of the engine is greater than the rotating speed threshold value, the engine is successfully started, so that a special development controller is not needed, only the low-temperature heating switch is switched on by controlling, the working states of the multiple heating components and the super capacitor are combined, the low-temperature quick starting can be realized, the performance of the storage battery is improved, the reliability of the whole vehicle is high, and the low-temperature quick starting device has a popularization value particularly for starting vehicles in extremely cold regions.
In this embodiment, after the low-temperature heating switch is turned on, the first heating element, the second heating element, the third heating element and the super capacitor respectively input a 24V power supply to start working.
Optionally, the first heating assembly comprises a battery heater and a battery oil transfer pump heating pipe. The storage battery heater is used for heating the storage battery, and the storage battery oil delivery pump heating pipe is used for heating the storage battery oil delivery pump.
After the storage battery heater and the storage battery oil delivery pump heating pipe start working, the storage battery heater blows warm air to the storage battery to heat the storage battery, and a first temperature sensor is arranged in the storage battery heater and is used for monitoring the air inlet temperature of the storage battery heater, the air outlet temperature of the storage battery heater and the environment temperature respectively. In this embodiment, the temperature value at the air outlet of the storage battery heater is used as the temperature of the storage battery.
The second heating assembly comprises an engine coolant heater and a coolant oil transfer pump heating pipe, wherein the engine coolant heater is used for heating engine coolant, and the coolant oil transfer pump heating pipe is used for heating a coolant oil transfer pump.
After the engine coolant heater and the coolant oil delivery pump heating pipe start working, the engine coolant heater heats the engine coolant according to the temperature of the coolant, and a second temperature sensor is arranged in the engine coolant heater to monitor the temperature of a water inlet of the engine coolant heater and the temperature of a water outlet of the engine coolant heater. In this embodiment, the temperature of the water outlet of the engine coolant heater is used as the coolant temperature.
The third heating assembly includes a tank heater. After the oil tank heater starts to work, the oil tank heater heats the fuel according to the temperature of the fuel, the freezing low-flow performance of the fuel is improved, and a third temperature sensor is arranged in the oil tank heater and used for monitoring the temperature of the fuel.
After the voltage of the super capacitor is built up, when the voltage of the super capacitor rises to the voltage threshold, the super capacitor starts to maintain the voltage, and the output voltage is maintained at the voltage threshold. Preferably, the voltage threshold is 32V.
Further, when the temperature of the cooling liquid reaches a third temperature threshold, the second heating assembly stops heating. And when the temperature of the storage battery reaches a fourth temperature threshold value, the first heating assembly stops heating. And when the fuel temperature of the fuel tank reaches a fifth temperature threshold value, the third heating assembly stops heating, and heating is not needed at the moment. In this embodiment, the third temperature threshold, the fourth temperature threshold, and the fifth temperature threshold may all be determined through a real-vehicle test.
The control method of the embodiment further includes: when the buzzer buzzes for alarm, the starter is powered on and the engine is started.
In this embodiment, after the key is turned on or off to the ST position, the starter is powered on to drive the engine. If the engine is not started successfully, the starter is powered off, namely the key is switched to the ON gear, and then the starter is controlled to be powered ON again and the engine is started after a period of time until the rotating speed of the engine is greater than the rotating speed threshold value. The threshold rotation speed of this embodiment is 300 rpm.
Because the voltage of the super capacitor is always kept at the voltage threshold value, the engine can be started again after a period of time directly after the engine fails to start, and the voltage of the super capacitor does not need to be built again. Optionally, the interval time is 1-1.5 min.
When the engine is started successfully, the buzzer is closed, and the character prompt of' starting can be displayed by the instrument to disappear.
Preferably, the low temperature start control method of this embodiment further includes that when the on-time reaches the first time threshold after the low temperature heating switch is turned on, if the buzzer does not beep, it indicates that the temperature of the coolant does not reach the first temperature threshold, the heating state of the battery is not normal, the heating state of the fuel in the fuel tank is not normal, or the voltage of the super capacitor does not reach the voltage threshold, at this time, the engine fails to start, the start state is exited, and it is necessary to check each heating element and the super capacitor.
And when the on-time reaches a second time threshold after the low-temperature heating switch is turned on, and if the rotating speed of the engine is not greater than the rotating speed threshold, the starting state is exited. The first time threshold is less than the second time threshold. In this embodiment, the first time threshold is 15-20min, and the second time threshold is 20-30 min.
In this embodiment, after the meter is powered on, a screen of the meter displays that the engine Control unit eecu (engine electrical Control unit) enters a self-test mode, and displays operating states of the first heating assembly, the second heating assembly, the third heating assembly, and the super capacitor. Optionally, the instrument hard wire is also connected with a low-temperature heating switch, so that the instrument displays the state of the low-temperature heating switch.
Wherein, super capacitor is connected to the instrument hardwire, and the instrument screen still is equipped with electric capacity parallel indication part and electric capacity and builds pressure indicating part. Optionally, the capacitor parallel indicator is a capacitor parallel indicator light, and the capacitor voltage-build indicator is a voltage-build indicator light. When the super capacitor and the storage battery are normally connected in parallel, the capacitor parallel indicator lamp is lightened, and when the super capacitor finishes voltage building and outputs a high level signal to the instrument after the voltage building is finished and the voltage threshold value is reached, the voltage building indicator lamp is lightened. The positive electrodes of the capacitor parallel indicator lamp and the voltage-building indicator lamp are connected with the storage battery, and the negative electrodes of the capacitor parallel indicator lamp and the voltage-building indicator lamp are connected with the instrument.
In this embodiment, the screen of the instrument further includes a fuel heating indicating component, a storage battery heating indicating component and a storage battery voltage display component, optionally, the fuel heating indicating component is a fuel heating indicating lamp, the storage battery heating indicating component is a storage battery heating indicating lamp, and the storage battery voltage display component is a storage battery voltage display meter. After the fuel oil heater and the storage battery heater start to work normally, the fuel oil heating indicator lamp and the storage battery heating indicator lamp are both lightened, and the storage battery voltage display meter displays the storage battery voltage.
Further, the instrument CAN bus receives an engine water temperature message sent by the engine EECU so as to display the temperature of the cooling liquid through the water temperature meter. The meter CAN bus also receives the engine speed so that the engine speed is displayed on the screen of the meter.
Optionally, the screen of the meter is also provided with a wait indicator light indicating that the engine is in a wait-to-start state. When the engine is in a startable state, the wait indicator lamp is turned off.
In the embodiment, the engine water temperature meter, the engine revolution meter and the speedometer which are arranged on the automobile instrument are utilized, the on-off control mode of a low-temperature heating switch is realized, the low-temperature starting control is completed by combining the instrument display, and the buzzing of the starting vehicle is prompted to a driver by the instrument assembly with the buzzing prompting function after the low-temperature starting condition is achieved, so that the whole automobile line and redundant electric devices are reduced, and the stay time of the driver in a cab is also reduced.
Referring to fig. 2, an embodiment of the present application further provides a low-temperature start control system, which includes a first heating assembly, a second heating assembly, a third heating assembly, a super capacitor controller, a low-temperature heating switch, a meter, and a buzzer.
The first heating assembly is used for heating the storage battery. Optionally, the first heating assembly can feed back the temperature of the storage battery to the meter in real time after the meter is powered on.
The second heating assembly is used for heating engine coolant. Optionally, the second heating assembly can feed back the temperature of the cooling liquid to the instrument in real time after the instrument is powered on.
The third heating assembly is used for heating fuel in the fuel tank. Optionally, the third heating assembly can feed back the heating state of the fuel in the fuel tank to the meter in real time after the meter is powered on.
And the super capacitor controller is used for controlling the super capacitor to build voltage and charge. Optionally, the super capacitor controller may also feed back the super capacitor voltage to the meter in real time after the meter is powered on.
And the low-temperature heating switch is used for simultaneously controlling the first heating assembly, the second heating assembly, the third heating assembly and the super-capacitor controller to work after the low-temperature heating switch is switched on.
The instrument is used for receiving the temperature of the storage battery fed back by the first heating assembly, the temperature of the cooling liquid fed back by the second heating assembly, the heating state of the fuel oil in the oil tank fed back by the third heating assembly and the voltage of the super capacitor fed back by the super capacitor controller, displaying an engine starting signal and simultaneously sending a control signal to the buzzer when the temperature of the cooling liquid is not less than the first temperature threshold value and the temperature of the storage battery is not less than the second temperature threshold value after the fuel oil in the oil tank is in a heating state and the voltage of the super capacitor is kept at the voltage threshold value.
Optionally, after the meter is powered on, the meter can also display the temperature of the cooling liquid, the voltage of the super capacitor and the heating state of the fuel in the storage battery and the fuel tank in real time.
The buzzer is used for sending out a buzzing alarm after receiving the control signal. The driver may not need to wait in the cab before the buzzer sounds the beep. After the conditions are met, the buzzer buzzes automatically to prompt the driver to enter the cab to start the vehicle.
Alternatively, the buzzer may cease after a 15s beep, and the meter may display the engine start signal for the driver to observe until the vehicle is not started or the start is unsuccessful.
The instrument receives a plurality of messages and displays fault information on the instrument panel. According to the messages sent in real time, the meters can respectively display according to the negotiated priority. According to the control strategy, the vehicle may not be able to restart if the pre-start meter indicates a fault. Therefore, in the present embodiment, the meter displays that the engine start signal has a higher priority than other faults, i.e., than other electrical faults that do not affect the startability that exist before starting.
And if the presence of other faults is displayed on the instrument after starting, checking according to fault display information.
After the buzzer buzzes for alarming, the key can be switched to the ST gear, the starter is controlled to be powered on, and the engine is started. When the rotating speed of the engine is larger than the rotating speed threshold value, the starting is successful.
In this embodiment, the first heating assembly is further configured to stop heating when the temperature of the battery reaches the fourth temperature threshold. The second heating assembly is further used for stopping heating when the temperature of the cooling liquid reaches a third temperature threshold value. The third heating assembly is also used for stopping heating when the fuel temperature of the fuel tank reaches a fifth temperature threshold value.
Further, the cold start control system in this embodiment further includes a timing unit configured to time an on time after the low-temperature heating switch is turned on.
And when the on-time reaches a first time threshold value, if the buzzer does not give out a buzzing alarm, stopping the work of each heating component, stopping the pressure build-up of the super capacitor, and exiting the starting state.
And when the switch-on time reaches a second time threshold, if the rotating speed of the engine is not greater than the rotating speed threshold, stopping the work of each heating component, stopping the pressure build-up of the super capacitor, and exiting the starting state.
The first time threshold is less than the second time threshold.
Preferably, the buzzer is further used for carrying out a plurality of short buzzer alarms with equal time intervals after the starting state is exited. Optionally, the buzzer buzzes three times, each buzzing does not exceed 10s, each time with an interval of 2 min.
The low-temperature starting control system of the embodiment is suitable for the low-temperature starting control methods, can realize the time-controllable low-temperature starting effect by combining the low-temperature starting actual environment, has flexible expansion functions, and further realizes the reliable starting of civil vehicles, trucks and the like in the low-temperature environment.
The present application is not limited to the above embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present application, and such modifications and improvements are also considered to be within the scope of the present application.
Claims (10)
1. A low-temperature start control method is characterized by comprising the following steps:
simultaneously controlling a first heating assembly to heat the storage battery, a second heating assembly to heat engine cooling liquid, a third heating assembly to heat fuel oil in an oil tank and a super capacitor controller to build voltage on the super capacitor through a low-temperature heating switch;
the method comprises the steps that an instrument is powered on, when the temperature of a cooling liquid is not less than a first temperature threshold value, the temperature of a storage battery is not less than a second temperature threshold value, fuel oil in an oil tank is in a heating state, and the voltage of a super capacitor is kept at a voltage threshold value, the first heating assembly feeds back the temperature of the storage battery at the moment, the second heating assembly feeds back the temperature of the cooling liquid at the moment, the third heating assembly feeds back the heating state of the fuel oil in the oil tank at the moment, and a super capacitor controller feeds back the voltage of the super capacitor to the;
the instrument displays an engine starting signal according to the feedback and sends a control signal to a buzzer, and the buzzer gives a buzzing alarm.
2. The cold start control method according to claim 1, characterized in that:
when the temperature of the cooling liquid reaches a third temperature threshold value, the second heating assembly stops heating;
when the temperature of the storage battery reaches a fourth temperature threshold value, the first heating assembly stops heating;
and when the fuel temperature of the fuel tank reaches a fifth temperature threshold value, the third heating assembly stops heating.
3. The cold start control method according to claim 1, further comprising:
when the buzzer buzzes for alarm, the starter is electrified and the engine is started;
if the engine is not started successfully, the starter is powered off, and is powered on again after a period of time and starts the engine until the rotating speed of the engine is greater than the rotating speed threshold value.
4. The cold start control method according to claim 1 or 3, further comprising:
and when the low-temperature heating switch is switched on and the switching-on time reaches a first time threshold value, if the buzzer still does not give out a buzzing alarm, the starting state is exited.
5. The cold start control method according to claim 4, wherein:
when the low-temperature heating switch is switched on and the switching-on time reaches a second time threshold, if the rotating speed of the engine is still not greater than the rotating speed threshold, the starting state is exited; the first time threshold is less than a second time threshold.
6. A cold start control system, comprising:
the first heating assembly is used for heating the storage battery;
a second heating assembly for heating the engine coolant;
the third heating assembly is used for heating fuel oil in the oil tank;
the super capacitor controller is used for controlling the super capacitor to carry out voltage building and charging;
the low-temperature heating switch is used for simultaneously controlling the first heating assembly, the second heating assembly, the third heating assembly and the super capacitor controller to work;
the instrument is used for receiving the temperature of the storage battery fed back by the first heating assembly at the moment, the temperature of the cooling liquid fed back by the second heating assembly at the moment, the heating state of the fuel oil of the oil tank fed back by the third heating assembly at the moment and the voltage of the super capacitor fed back by the super capacitor controller at the moment when the temperature of the cooling liquid is not less than a first temperature threshold value and the temperature of the storage battery is not less than a second temperature threshold value after the fuel oil of the oil tank is electrified and the voltage of the super capacitor is kept at a voltage threshold value, displaying an engine starting signal and simultaneously sending a control signal to the buzzer;
and the buzzer is used for sending out a buzzing alarm after receiving the control signal.
7. The cold start control system of claim 6, wherein:
the first heating assembly is further used for stopping heating when the temperature of the storage battery reaches a fourth temperature threshold value;
the second heating assembly is further used for stopping heating when the temperature of the cooling liquid reaches a third temperature threshold value;
the third heating assembly is further used for stopping heating when the fuel temperature of the fuel tank reaches a fifth temperature threshold value.
8. The cold start control system of claim 6, further comprising: a timing component for timing the on-time after the low-temperature heating switch is switched on;
and when the on-time reaches a first time threshold value, if the buzzer does not give out a buzzing alarm, the starting state is exited.
9. The cold start control system of claim 8, wherein:
when the on-time reaches a second time threshold, if the rotating speed of the engine is still not greater than the rotating speed threshold, the starting state is exited;
the first time threshold is less than a second time threshold.
10. The cold start control system according to claim 8 or 9, wherein:
the buzzer is also used for carrying out multiple times of buzzer alarms with equal time intervals after the starting state is exited.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010495509.3A CN111691989A (en) | 2020-06-03 | 2020-06-03 | Low-temperature starting control method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010495509.3A CN111691989A (en) | 2020-06-03 | 2020-06-03 | Low-temperature starting control method and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111691989A true CN111691989A (en) | 2020-09-22 |
Family
ID=72479297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010495509.3A Pending CN111691989A (en) | 2020-06-03 | 2020-06-03 | Low-temperature starting control method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111691989A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253342A (en) * | 2020-09-30 | 2021-01-22 | 中联重科股份有限公司 | Engine cold start warm-up control system and method |
| CN112555080A (en) * | 2020-12-09 | 2021-03-26 | 重庆大学 | Preheating device for engine and storage battery |
| CN113328655A (en) * | 2021-05-31 | 2021-08-31 | 三一重机有限公司 | Cold start circuit and excavator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061926A (en) * | 2013-02-07 | 2013-04-24 | 辽宁工业大学 | System for preheating fuel oil of automotive diesel engine in winter and control method of system |
| US20180094615A1 (en) * | 2016-10-04 | 2018-04-05 | Magna Electronics Inc. | Cold start feature for vehicle electronic pump |
| CN108005830A (en) * | 2017-12-20 | 2018-05-08 | 东风汽车集团有限公司 | The embedded cold starting control system of intelligence |
| CN110725768A (en) * | 2019-11-25 | 2020-01-24 | 湘电重型装备有限公司 | Engine preheating system in low-temperature environment and control method |
-
2020
- 2020-06-03 CN CN202010495509.3A patent/CN111691989A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061926A (en) * | 2013-02-07 | 2013-04-24 | 辽宁工业大学 | System for preheating fuel oil of automotive diesel engine in winter and control method of system |
| US20180094615A1 (en) * | 2016-10-04 | 2018-04-05 | Magna Electronics Inc. | Cold start feature for vehicle electronic pump |
| CN108005830A (en) * | 2017-12-20 | 2018-05-08 | 东风汽车集团有限公司 | The embedded cold starting control system of intelligence |
| CN110725768A (en) * | 2019-11-25 | 2020-01-24 | 湘电重型装备有限公司 | Engine preheating system in low-temperature environment and control method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253342A (en) * | 2020-09-30 | 2021-01-22 | 中联重科股份有限公司 | Engine cold start warm-up control system and method |
| CN112555080A (en) * | 2020-12-09 | 2021-03-26 | 重庆大学 | Preheating device for engine and storage battery |
| CN113328655A (en) * | 2021-05-31 | 2021-08-31 | 三一重机有限公司 | Cold start circuit and excavator |
| CN113328655B (en) * | 2021-05-31 | 2023-11-28 | 三一重机有限公司 | Cold start circuit and excavator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111691989A (en) | Low-temperature starting control method and system | |
| US9366216B2 (en) | User interface for automatic start-stop system and method of controlling the same | |
| EP1674720B1 (en) | Method for managing the "stop-and-start" mode in a motor vehicle equipped with an internal combustion engine | |
| US4405891A (en) | Control system for electric powered vehicle | |
| US9037334B1 (en) | Electric vehicle having a dual battery system | |
| US10309363B2 (en) | Integrated automated idle reduction system and method | |
| EP2249324B1 (en) | Remote operation apparatus of working machine | |
| JP2005106057A (en) | System and method of controlling stop and start of vehicle engine | |
| CN108045266B (en) | Range extender starting control method and device | |
| CN112572345B (en) | Method and system for remotely starting hybrid electric vehicle | |
| JP7189693B2 (en) | power system | |
| CN101984234A (en) | Control method of methanol/gasoline dual-fuel engine system | |
| US7188597B2 (en) | Engine cold start aid malfunction alert | |
| CN105383483B (en) | Boosting battery manages system and method | |
| JP4552966B2 (en) | Engine start control device | |
| JP2001173545A (en) | Starter circuit | |
| KR102386115B1 (en) | Air conditioner without engine running for heating and cooling for truck | |
| US11865983B2 (en) | Method for reducing start-up time, vehicle, computer program and data carrier signal | |
| WO2020202202A1 (en) | Automatic engine start check for hybrid vehicles | |
| CN114687903B (en) | Start-stop control system and method for extended range automobile engine and hybrid vehicle | |
| CN206429335U (en) | A kind of automobile starting at low temp system | |
| CN112498277A (en) | Automobile power supply system, automobile starting operation control method and storage medium | |
| KR101428261B1 (en) | Cold shutdown method of fuel cell vehicle | |
| KR100440160B1 (en) | Start up control method of hybrid electric vehicle | |
| JP3136513B2 (en) | Engine start control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200922 |
|
| RJ01 | Rejection of invention patent application after publication |