CN114810359A - Throttle ice breaking method and device and vehicle - Google Patents

Throttle ice breaking method and device and vehicle Download PDF

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Publication number
CN114810359A
CN114810359A CN202110681598.5A CN202110681598A CN114810359A CN 114810359 A CN114810359 A CN 114810359A CN 202110681598 A CN202110681598 A CN 202110681598A CN 114810359 A CN114810359 A CN 114810359A
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China
Prior art keywords
throttle valve
valve plate
vehicle
ice breaking
icing
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Pending
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CN202110681598.5A
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Chinese (zh)
Inventor
张向东
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Great Wall Motor Co Ltd
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Great Wall Motor Co Ltd
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Priority to CN202110681598.5A priority Critical patent/CN114810359A/en
Publication of CN114810359A publication Critical patent/CN114810359A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D9/00Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00Component parts, details or accessories, not otherwise provided for
    • F02B77/08Safety, indicating, or supervising devices
    • F02B77/082Safety, indicating, or supervising devices relating to valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D9/00Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/02Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
    • F02D2009/0201Arrangements; Control features; Details thereof
    • F02D2009/0277Fail-safe mechanisms, e.g. with limp-home feature, to close throttle if actuator fails, or if control cable sticks or breaks

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)

Abstract

The application relates to the technical field of automobiles, in particular to a throttle ice breaking method and device and a vehicle. When the vehicle is started, the vehicle enters a power-on state, current temperature information of the vehicle is obtained, whether the vehicle enters or exits a low-temperature environment is judged, when the temperature information meets preset conditions, icing conditions can occur at the throttle valve, the throttle valve plate is driven to repeatedly execute ice breaking actions, the ice at the throttle valve is broken through the throttle valve plate, after the ice breaking actions are finished, when the throttle valve plate cannot reach a target position, the ice cannot be broken, and at the moment, the icing fault of the throttle valve is determined. The ice when the condition of icing is lighter is broken through executing the action of breaking ice, the condition of icing is effectively prevented from triggering the alarm when being lighter, when the throttle valve plate can not reach the target position, the condition of icing is serious, the alarm information is triggered again, the information of icing is transmitted to a driver, and the driving experience of the vehicle is improved.

Description

Throttle ice breaking method and device and vehicle
Technical Field
The application relates to the technical field of automobiles, in particular to a throttle ice breaking method and device and a vehicle.
Background
The engine can produce steam when burning, for preventing that engine oil is rotten, the engine design has crankcase ventilation system, and under the light load operating condition, steam passes through crankcase compulsory ventilation pipe and gets into air intake manifold, meets with low temperature gas and produces the comdenstion water.
In the prior art, in the use process of a vehicle in a cold area in winter, condensed water flows to a throttle valve and is easy to freeze, the throttle valve is blocked by ice blocks and can trigger a code report, and an alarm lamp is often triggered to light, so that customers complain and overseak.
Content of application
The embodiment of the application aims to provide a throttle ice breaking method, a throttle ice breaking device and a vehicle, and aims to solve the problem that frequent icing at a throttle frequently triggers an alarm.
In a first aspect, an embodiment of the present application provides a throttle valve ice breaking method, including:
obtaining a vehicle starting state;
when the vehicle is in a power-on state, current temperature information is obtained, and when the current temperature information meets a preset condition, a throttle valve plate is driven to repeatedly execute ice breaking actions for a preset number of times;
and after the ice breaking action is finished, when the throttle valve plate is detected not to be in the target position, determining that the throttle valve has an icing fault.
Optionally, driving the throttle valve plate to move from the current position to the direction of the first target opening degree;
and after the throttle valve plate moves to the position of the first target opening, driving the throttle valve plate to move in the direction of a second target opening opposite to the direction of the first target opening, wherein the position of the throttle valve plate at the second target opening is the target position.
Optionally, the method further comprises, in a direction driving the throttle valve plate from a current position to the first target opening degree:
and when the throttle valve plate does not move to the position of the first target opening, controlling the throttle valve plate to continuously move towards the first target opening within a first preset time period. The method for driving the throttle valve plate to move in a direction of a second target opening degree opposite to the direction of the first target opening degree comprises the following steps:
and when the throttle valve plate does not move to the position of the second target opening, controlling the throttle valve plate to continuously move towards the direction of the second target opening within a second preset time period.
Optionally, after the ice breaking action is completed, when it is detected that the throttle valve plate is not located at the target position, determining that the throttle valve has an icing fault includes:
after the ice breaking action is finished, when the throttle valve plate is detected not to be located at the target position, driving the throttle valve plate to return to the initial opening degree, and acquiring the vehicle state;
when the vehicle is in a static state, driving the throttle valve plate to continuously move to the target position within a third preset time period;
and when the third preset time period is over and the throttle valve plate is not located at the target position, determining that the throttle valve has an icing fault.
Optionally, the method further comprises:
and when the icing fault of the throttle valve is determined by the continuous target times, reporting the fault of the throttle valve and lightening a starting maintenance fault lamp.
Optionally, obtaining current temperature information includes:
obtaining the throttle inlet air temperature and the ambient temperature of the vehicle;
the preset conditions include: and both the throttle air inlet temperature and the ambient temperature of the vehicle are lower than a first preset temperature.
A second aspect of embodiments of the present application provides an ice breaking device, including:
the vehicle detection module is used for obtaining a vehicle starting state;
the execution module is used for acquiring current temperature information when the vehicle is in a power-on state, and driving the throttle valve plate to execute an ice breaking action when the current temperature information meets a preset condition;
and the determining module is used for determining that the throttle valve has an icing fault when the throttle valve plate is not positioned at the target position after the ice breaking action is finished.
A third aspect of the embodiments of the present application provides an electronic device, including:
a memory for storing a computer program;
a processor for executing a computer program stored on the memory to implement the above-described method.
A fourth aspect of the embodiments of the present application provides a vehicle, including a detection device, where the detection device is configured to implement the method described above.
Has the advantages that:
the application provides a throttle valve ice breaking method, a throttle valve ice breaking device and a vehicle, the vehicle state is obtained, when the vehicle is started, the vehicle enters the power-on state, the current temperature information of the vehicle is obtained, whether the vehicle enters or exits a low-temperature environment is judged, when the temperature information meets a preset condition, the icing condition can occur at the throttle valve, the throttle valve plate is driven to repeatedly execute an ice breaking action, the ice at the throttle valve is broken through the throttle valve plate, when the ice breaking action is finished and the throttle valve plate cannot reach a target position, the ice cannot be broken, and at the moment, the icing fault of the throttle valve is determined. The ice when the condition of icing is lighter is broken through executing the action of breaking ice, the condition of icing is effectively prevented from triggering the alarm when being lighter, when the throttle valve plate can not reach the target position, the condition of icing is serious, the alarm information is triggered again, the information of icing is transmitted to a driver, and the driving experience of the vehicle is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments of the present application will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic flow chart of an ice breaking method according to an embodiment of the present application;
FIG. 2 is a schematic flow chart of an ice breaking operation according to an embodiment of the present application;
FIG. 3 is a schematic flow chart illustrating a method for determining icing faults according to an embodiment of the present disclosure;
fig. 4 is a block diagram of an ice breaking device according to an embodiment of the present application.
Description of the reference numerals: 4. an ice breaking device; 401. a vehicle detection module; 402. an execution module; 403. and determining a module.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the related technology, the problem that the vehicle is abnormally shaken and cannot accelerate due to the fact that the electronic throttle valve assembly often breaks down in the use process of the vehicle in cold regions in winter is that water vapor is generated during combustion of the engine, and in order to prevent engine oil from deteriorating, the engine is provided with a crankcase ventilation system.
The ice block is stuck in the air throttle to trigger code reporting, and alarm is often triggered not because of the quality problem of the air throttle product, so that customer complaints, over-inspection and waiting are easily caused, and the driving experience of the vehicle is influenced.
In view of this, the embodiment of the present application provides a throttle valve ice breaking method, and with reference to fig. 1, the method includes:
s1, obtaining a vehicle starting state;
when the vehicle is in a power-off state, the vehicle does not need to be iced, and only when the vehicle is remotely started or started, the throttle valve and the engine can be controlled to be started.
S2, when the vehicle is in a power-on state, current temperature information is obtained, and when the current temperature information meets a preset condition, the throttle valve plate is driven to repeatedly execute ice breaking actions for a preset number of times;
whether the vehicle is in a low-temperature state or not is detected after the vehicle is started, and when the vehicle is not in the state, the vehicle can not be frozen or ice can be naturally melted.
When current temperature information satisfies the preset condition, when the vehicle was in low temperature environment promptly, order about the valve plate and carry out the action of opening ice of predetermineeing the number of times repeatedly, abolished near the ice of throttle valve, when ice was abolished, the condition of freezing was eliminated to make the throttle valve can move about in the scope, make the vehicle can normally drive, avoid the condition of freezing to trigger when lighter and report to the police.
The method comprises the steps of obtaining current temperature information, wherein the obtaining of the current temperature information comprises obtaining throttle inlet air temperature and the ambient temperature of a vehicle;
the preset conditions include: the air inlet temperature of the throttle valve and the ambient temperature of the vehicle are both lower than a first preset temperature.
Whether the vehicle is in a low-temperature environment or not is determined according to the air inlet temperature of the throttle valve and the environment temperature of the vehicle, in the embodiment, the first preset temperature can be-10 ℃, and when the air inlet temperature of the throttle valve and the environment temperature of the vehicle are both smaller than the first preset temperature, the vehicle can be determined to be in the low-temperature environment, the icing condition is easy to occur at the throttle valve, and therefore the ice breaking action is started. In other embodiments, the current temperature information may also include engine temperature, fuel tank temperature, and other vehicle components.
And S3, after the ice breaking action is finished, when the throttle valve plate is detected not to be at the target position, determining that the throttle valve has an icing fault.
After the ice breaking action is finished, whether the throttle valve plate is located at a target position for executing the ice breaking action is detected, and when the throttle valve plate is not located at the target position, the throttle valve plate can be confirmed to be blocked, the icing condition is serious, and the icing is not completely broken, so that the icing fault of the throttle valve is determined.
The application provides a throttle valve ice breaking method, a throttle valve ice breaking device and a vehicle, the vehicle state is obtained, when the vehicle is started, the vehicle enters the power-on state, the current temperature information of the vehicle is obtained, whether the vehicle enters or exits a low-temperature environment is judged, when the temperature information meets a preset condition, the icing condition can occur at the throttle valve, the throttle valve plate is driven to repeatedly execute an ice breaking action, the ice at the throttle valve is broken through the throttle valve plate, when the ice breaking action is finished and the throttle valve plate cannot reach a target position, the ice cannot be broken, and at the moment, the icing fault of the throttle valve is determined. The ice when the condition of icing is lighter is broken through executing the action of breaking ice, the condition of icing is effectively prevented from triggering the alarm when being lighter, when the throttle valve plate can not reach the target position, the condition of icing is serious, the alarm information is triggered again, the information of icing is transmitted to a driver, and the driving experience of the vehicle is improved.
Wherein, referring to fig. 2, the ice breaking action comprises:
s21, driving the throttle valve plate to move from the current position to the direction of the first target opening;
and S22, after the throttle valve plate moves to the position of the first target opening degree, driving the throttle valve plate to move towards the direction of a second target opening degree opposite to the direction of the first target opening degree, wherein the position of the throttle valve plate at the second target opening degree is the target position.
In the present embodiment, the throttle valve is at a position of 6% opening after the vehicle is powered down, the first target opening is 1%, and the second target opening is 40%.
When the vehicle is powered on and ice breaking is performed, the throttle valve plate is driven to move from the position with the current opening degree of 6% to the direction with the opening degree of 1% of the first target opening degree, namely the throttle valve plate is driven to move towards one side close to the throttle opening, so that the ice at the throttle opening is broken, and air is enabled to circulate.
After the throttle valve plate breaks the ice and reaches the position of the first target opening, the throttle valve plate is driven to move in the direction of a second target opening opposite to the direction of the first target opening, the throttle valve plate is made to move from 1% to 40%, namely the throttle valve plate is driven to move to the side far away from the throttle opening, the ice on the outer side of the throttle valve plate is broken, the valve plate can be opened when the air inflow of the throttle valve is increased, and the influence on vehicle driving is avoided.
After the throttle valve plate executes the ice breaking action and is located at the position of the second target opening, the throttle valve plate is located at the target position, the ice breaking action is completed, and the throttle valve plate can normally move in the driving process of a vehicle, so that the vehicle can be in contact with an icing fault without triggering an alarm, and the alarm caused by the icing condition is reduced.
In some embodiments, the first target opening degree and the second target opening degree may be determined according to a vehicle condition.
Wherein, in the direction of driving the throttle valve plate from the current position to the first target opening degree, the method further comprises:
and when the throttle valve plate does not move to the position of the first target opening, controlling the throttle valve plate to continuously move towards the first target opening within a first preset time period.
When the throttle valve plate does not reach first target aperture after moving to first target aperture, can regard as the throttle valve plate to be close to first target aperture one side and the condition of icing appears, order about the throttle valve plate and continue to move to first target aperture one side in first preset time quantum to exert force to the department of icing, thereby will freeze and break, improve the effect of breaking ice.
In the present embodiment, the length of the first preset time period may be 0.2 seconds, and in other embodiments, the length of the first preset time period may be set according to vehicle information and the like.
Wherein, in the direction of driving the throttle valve plate from the current position to the second target opening degree, the method further comprises:
and when the throttle valve plate does not move to the position of the second target opening, controlling the throttle valve plate to continuously move towards the second target opening within a second preset time period.
When the throttle valve plate does not reach the second target opening after moving to the second target opening, the throttle valve plate can be considered to be close to the two sides of the second target opening to generate an icing condition, the throttle valve plate is driven to continuously move to the two sides of the second target opening within the second preset time period, and accordingly force is applied to an icing part, icing is broken, and an icing effect is improved.
In the present embodiment, the length of the second preset time period may be 0.1 second, and in other embodiments, the length of the third preset time period may be set according to vehicle information and the like.
In some embodiments, the ice breaking method further comprises:
after the ice breaking action is finished, when the throttle valve plate is detected not to be in the target position, the icing fault of the throttle valve is determined, and the method comprises the following steps of:
s31, after the ice breaking action is finished, when the throttle valve plate is detected not to be in the target position, the throttle valve plate is driven to return to the initial opening degree, and the vehicle state is obtained;
s32, when the vehicle is in a static state, driving the throttle valve plate to continuously move to the target position within a third preset time period;
and S33, determining that the throttle valve has icing fault when the third preset time period is over and the throttle valve plate is not located at the target position.
After the ice breaking movement is executed, when the throttle valve plate is not located at the target position, the icing of the throttle valve plate is not completely broken, the throttle valve plate is driven to continuously move towards one side of the throttle opening in a third time period, the throttle valve is opened to the maximum state, heat is generated by an engine in the vehicle electrifying process and is transmitted out of the throttle valve, the icing is melted, and therefore the ice breaking effect is effectively improved.
When the third preset time period is over and the throttle valve plate still cannot reach the target position, the icing condition at the throttle valve can be considered to be serious, and therefore the icing fault of the throttle valve is determined.
In the present embodiment, the length of the third preset time period is not less than 0.2 seconds, and in other embodiments, the length of the third preset time period may be set according to vehicle information and the like.
Wherein, the method further comprises:
and when the icing fault of the throttle valve is determined by the continuous target times, reporting the fault of the throttle valve and lightening a starting maintenance fault lamp.
After the ice breaking method is continuously executed for a plurality of times, when the icing fault of the throttle valve is continuously confirmed, the icing condition is considered to be serious, the throttle valve fault is reported, and the starting maintenance fault lamp is lightened, so that the throttle valve of a driver is in fault in time, and the frequency or frequency of the throttle valve alarm is reduced.
Based on the same inventive concept, the present application further provides a throttle ice breaking device 4, and referring to fig. 4, the ice breaking device 4 includes:
a vehicle detection module 401 for obtaining a vehicle start state;
the execution module 402 is configured to obtain current temperature information when the vehicle is in a power-on state, and drive the throttle valve plate to execute an ice breaking action when the current temperature information meets a preset condition;
the determining module 403 determines that the throttle valve has an icing fault when the throttle valve plate is not located at the target position after the ice breaking action is completed.
The execution module 402 is further configured to perform the following steps:
driving the throttle valve plate to move from the current position to the direction of the first target opening;
and after the throttle valve plate moves to the position of the first target opening degree, driving the throttle valve plate to move in the direction of a second target opening degree opposite to the direction of the first target opening degree, wherein the position of the throttle valve plate at the second target opening degree is the target position.
The execution module 402 is further configured to perform the following steps:
after the ice breaking action is finished, when the throttle valve plate is detected not to be in the target position, driving the throttle valve plate to return to the initial opening degree, and acquiring the vehicle state;
when the vehicle is in a static state, driving the throttle valve plate to continuously move to the target position within a third preset time period;
the determination module 403 determines that the throttle has an icing fault when the third predetermined period of time ends and the throttle plate is not located at the target position.
Wherein the determining module 403 is further configured to perform the following steps:
and when the icing fault of the throttle valve is determined by the continuous target times, reporting the fault of the throttle valve and lightening a starting maintenance fault lamp.
Based on the same inventive concept, the present application further provides an electronic device, and with reference to fig. 4, the electronic device includes:
a memory for storing a computer program;
a processor for executing a computer program stored on the memory to implement the above-described method.
Based on the same inventive concept, the application also provides a vehicle, which comprises a detection device, wherein the detection device is used for realizing the method.
It should be noted that, in this specification, each embodiment is described in a progressive manner, and each embodiment focuses on differences from other embodiments, and portions that are the same as and similar to each other in each embodiment may be referred to.
For the device embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
As will be appreciated by one of skill in the art, embodiments of the present application may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Embodiments of the present application are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing terminal to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing terminal to cause a series of operational steps to be performed on the computer or other programmable terminal to produce a computer implemented process such that the instructions which execute on the computer or other programmable terminal provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the true scope of the embodiments of the application.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The pedal control system and the automobile comprising the same provided by the application are introduced in detail, specific examples are applied in the description to explain the principle and the implementation manner of the application, and the description of the above embodiments is only used for helping to understand the method and the core idea of the application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
It should also be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present application. Moreover, relational terms such as "first" and "second" are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions or should not be construed as indicating or implying relative importance. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or terminal equipment comprising the element.
The technical solutions provided by the present application are described in detail above, and the principles and embodiments of the present application are described herein by using specific examples, which are only used to help understanding the present application, and the content of the present description should not be construed as limiting the present application. While various modifications of the illustrative embodiments and applications will be apparent to those skilled in the art based upon this disclosure, it is not necessary or necessary to exhaustively enumerate all embodiments, and all obvious variations and modifications can be resorted to, falling within the scope of the disclosure.

Claims (10)

1. A throttle ice breaking method, comprising:
obtaining a vehicle starting state;
when the vehicle is in a power-on state, current temperature information is obtained, and when the current temperature information meets a preset condition, a throttle valve plate is driven to repeatedly execute ice breaking actions for a preset number of times;
and after the ice breaking action is finished, when the throttle valve plate is detected not to be in the target position, determining that the throttle valve has an icing fault.
2. The method of claim 1, wherein the act of breaking ice comprises:
driving the throttle valve plate to move from the current position to the direction of the first target opening;
and after the throttle valve plate moves to the position of the first target opening, driving the throttle valve plate to move in the direction of a second target opening opposite to the direction of the first target opening, wherein the position of the throttle valve plate at the second target opening is the target position.
3. The method of claim 2, wherein activating in a direction that urges the throttle valve plate from a current position toward the first target opening degree comprises:
and when the throttle valve plate does not move to the position of the first target opening, controlling the throttle valve plate to continuously move towards the first target opening within a first preset time period.
4. The method of claim 2, wherein actuating the throttle valve plate to move in a direction of a second target opening angle opposite the direction of the first target opening angle comprises:
and when the throttle valve plate does not move to the position of the second target opening, controlling the throttle valve plate to continuously move towards the direction of the second target opening within a second preset time period.
5. The method of claim 1, wherein determining that the throttle valve has an icing fault when the throttle valve plate is detected not to be in the target position after the ice breaking action is performed comprises:
after the ice breaking action is finished, when the throttle valve plate is detected not to be located at the target position, the throttle valve plate is driven to return to the initial opening degree, and the vehicle state is obtained;
when the vehicle is in a static state, driving the throttle valve plate to continuously move to the target position within a third preset time period;
and when the third preset time period is over and the throttle valve plate is not located at the target position, determining that the throttle valve has an icing fault.
6. The method according to any one of claims 1-5, further comprising:
and when the icing fault of the throttle valve is determined by the continuous target times, reporting the fault of the throttle valve and lightening a starting maintenance fault lamp.
7. The method of claim 1, wherein obtaining current temperature information comprises:
obtaining the throttle inlet air temperature and the ambient temperature of the vehicle;
the preset conditions include: and both the throttle air inlet temperature and the ambient temperature of the vehicle are lower than a first preset temperature.
8. A throttle ice breaking device, characterized in that the ice breaking device 4 comprises:
a vehicle detection module (401) for obtaining a vehicle start state;
the execution module (402) is used for acquiring current temperature information when the vehicle is in a power-on state, and driving the throttle valve plate to execute an ice breaking action when the current temperature information meets a preset condition;
and the determining module (403) is used for determining that the throttle valve has icing fault when the throttle valve plate is not at the target position after the ice breaking action is finished.
9. An electronic device, comprising:
a memory for storing a computer program;
a processor for executing a computer program stored on the memory to implement the method of any one of claims 1-7.
10. A vehicle comprising a detection device for implementing the method of any one of claims 1-7.
CN202110681598.5A 2021-06-18 2021-06-18 Throttle ice breaking method and device and vehicle Pending CN114810359A (en)

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Application Number Priority Date Filing Date Title
CN202110681598.5A CN114810359A (en) 2021-06-18 2021-06-18 Throttle ice breaking method and device and vehicle

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Application Number Priority Date Filing Date Title
CN202110681598.5A CN114810359A (en) 2021-06-18 2021-06-18 Throttle ice breaking method and device and vehicle

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CN114810359A true CN114810359A (en) 2022-07-29

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CN115539227A (en) * 2022-09-23 2022-12-30 中国第一汽车股份有限公司 Throttle ice-breaking prevention control system and method and automobile
WO2023241291A1 (en) * 2022-06-17 2023-12-21 宁波路特斯机器人有限公司 Vehicle-mounted device control method and apparatus, device, and storage medium

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Application publication date: 20220729