CN114964656A - Vehicle air tightness detection method and device and vehicle - Google Patents
Vehicle air tightness detection method and device and vehicle Download PDFInfo
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- CN114964656A CN114964656A CN202210581814.3A CN202210581814A CN114964656A CN 114964656 A CN114964656 A CN 114964656A CN 202210581814 A CN202210581814 A CN 202210581814A CN 114964656 A CN114964656 A CN 114964656A
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- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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Abstract
The application discloses a vehicle air tightness detection method, a device and a vehicle, wherein the vehicle air tightness detection method comprises the following steps: when the running condition of the vehicle is a starting state, acquiring the air pressure state of the whole vehicle; when the whole vehicle air pressure state is larger than a preset air pressure value, detecting the air pressure change condition of the vehicle within a preset time period; and determining the air tightness of the vehicle according to the air pressure change condition of the vehicle in the preset time period. The air leakage detection method and the air leakage detection device can solve the problem that air leakage of a brake system is difficult to find.
Description
Technical Field
The application relates to the technical field of automobile braking, in particular to a method and a device for detecting vehicle air tightness and a vehicle.
Background
The existing automobile braking system mostly adopts double-circuit air braking, the structure is complex, and braking elements and pipelines are various. The vehicle can be worn and aged after long-time running, so that the part of the vehicle can be leaked, when the part is leaked, the gas flow and the air pressure value in a braking system can be influenced, the braking elements and pipelines are distributed on a chassis for a plurality of times, a user can hardly find the leakage condition in the running process, and serious safety accidents such as braking failure and the like can be caused if the leakage condition is not solved in time.
Disclosure of Invention
The present application is proposed to solve the above-mentioned technical problems. The embodiment of the application provides a vehicle air tightness detection method and device and a vehicle, and can solve the problem that air leakage of a brake system is difficult to find.
According to an aspect of the present application, there is provided a vehicle airtightness detection method including: when the running condition of the vehicle is a starting state, acquiring the air pressure state of the whole vehicle; when the air pressure state of the whole vehicle is larger than a preset air pressure value, detecting the air pressure change condition of the vehicle within a preset time period; and determining the air tightness of the vehicle according to the air pressure change condition of the vehicle in the preset time period.
In one embodiment, the vehicle airtightness detection method further comprises: acquiring a detection gear of the vehicle; the detection gear comprises an opening gear and an automatic detection gear; when the whole vehicle air pressure state is greater than the preset air pressure value, the detection of the air pressure change condition of the vehicle in the preset time period comprises the following steps: and when the air pressure state of the whole vehicle is greater than a preset air pressure value, detecting the air pressure change condition of the vehicle within the preset time period according to the detection gear of the vehicle.
In an embodiment, when the vehicle air pressure state is greater than a preset air pressure value, detecting the air pressure change condition of the vehicle within a preset time period according to the detected gear of the vehicle includes: and when the air pressure state of the whole vehicle is greater than a first preset air pressure value and the detection gear of the vehicle is the starting gear, starting to detect the air pressure change condition of the vehicle in the preset time period.
In an embodiment, when the vehicle air pressure state is greater than a preset air pressure value, detecting the air pressure change condition of the vehicle within a preset time period according to the detected gear of the vehicle includes: and when the air pressure state of the whole vehicle is larger than a second preset air pressure value and the detection gear of the vehicle is the automatic detection gear, starting to detect the air pressure change condition of the vehicle in the preset time period.
In one embodiment, the vehicle airtightness detection method further comprises: and when the speed of the vehicle is greater than the preset speed, stopping detecting the air pressure change condition.
In an embodiment, the determining the air tightness of the vehicle according to the air pressure change of the vehicle within the preset time period includes: and when the air pressure change value of the vehicle in the preset time period is larger than a preset change value, determining that the air tightness of the vehicle does not meet the use condition.
In an embodiment, after the determining that the air-tightness of the vehicle does not satisfy the use condition, the vehicle air-tightness detecting method further includes: and sending an exception prompt.
In an embodiment, when the vehicle air pressure state is greater than a preset air pressure value, the detecting the air pressure change condition of the vehicle within a preset time period includes: when the air pressure state of the whole vehicle is larger than a preset air pressure value, executing pressure stabilizing operation; and when the time of the pressure stabilizing operation is longer than the preset time, starting to detect the air pressure change condition of the vehicle in the preset time period.
According to another aspect of the present application, there is provided a vehicle airtightness detecting apparatus comprising: the acquisition module is used for acquiring the air pressure state of the whole vehicle when the running condition of the vehicle is a starting state; the detection module is used for detecting the air pressure change condition of the vehicle within a preset time period when the air pressure state of the whole vehicle is greater than a preset air pressure value; and the determining module is used for determining the air tightness of the vehicle according to the air pressure change condition of the vehicle in the preset time period.
According to another aspect of the present application, there is provided a vehicle including: a detection device for performing the vehicle airtightness detection method according to any one of the above embodiments, the detection device being mounted in the vehicle, the detection device being configured to detect airtightness of a brake system of the vehicle; a meter connected with the detection device, the meter being mounted on the vehicle, the meter being configured to display a detection result of the detection device.
According to the vehicle air tightness detection method and device and the vehicle, whether the air tightness of the vehicle meets the requirements or not can be judged by detecting the change of the air pressure value in the set time, and the air tightness can be detected by a driver before the vehicle is operated every time, so that the safety of every trip is ensured, and the occurrence of accidents is reduced. In addition, the vehicle air tightness detection method, the vehicle air tightness detection device and the vehicle can be used for detecting the air leakage phenomenon which is not easy to find by a driver, and the safety of the vehicle can be further improved.
Drawings
The above and other objects, features and advantages of the present application will become more apparent by describing in more detail embodiments of the present application with reference to the attached drawings. The accompanying drawings are included to provide a further understanding of the embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings, like reference numbers generally indicate like parts or steps.
Fig. 1 is a schematic flow chart of a vehicle air tightness detection method according to an exemplary embodiment of the present application.
Fig. 2 is a schematic flow chart of a vehicle air-tightness detection method according to another exemplary embodiment of the present application.
Fig. 3 is a schematic diagram of an opening range of a vehicle air-tightness detection method according to an exemplary embodiment of the present application.
Fig. 4 is a schematic diagram of an automatic gear detection method according to another exemplary embodiment of the present application.
Fig. 5 is a schematic structural diagram of a vehicle air-tightness detection device according to an exemplary embodiment of the present application.
Fig. 6 is a schematic structural diagram of a vehicle air-tightness detection device according to another exemplary embodiment of the present application.
Fig. 7 is a block diagram of an electronic device according to an exemplary embodiment of the present application.
Detailed Description
Hereinafter, example embodiments according to the present application will be described in detail with reference to the accompanying drawings. It should be understood that the described embodiments are only some embodiments of the present application and not all embodiments of the present application, and that the present application is not limited by the example embodiments described herein.
Exemplary vehicle
According to another aspect of the present application, there is provided a vehicle including: the vehicle air tightness detection method comprises the following steps that detection devices are used for executing the vehicle air tightness detection method provided by any one of the embodiments of the application, the detection devices are installed in a vehicle, and the detection devices are configured to detect the air tightness of a braking system of the vehicle; and the instrument is connected with the detection device, is installed on the vehicle and is configured to display the detection result of the detection device.
The detection device can adopt the vehicle air tightness detection device provided by the embodiment of the application, a device for detecting the air pressure of the whole vehicle in the vehicle air tightness detection device can adopt the sensor, the sensor is arranged on a front axle and a rear axle of the vehicle, the sensor is connected with the instrument, the instrument can display the air pressure value detected by the sensor in real time, extract the data detected by the sensor, and calculate according to the air pressure value detected by the sensor.
The application provides a vehicle, through the detection device from the area, can realize that vehicle braking system's gas tightness detects, need not to increase external test cabinet again, the driver can detect whole car braking system's gas tightness by oneself before vehicle operation at every turn, makes things convenient for the vehicle to detect on-line and in the use, guarantee driving safety.
Exemplary method
Fig. 1 is a schematic flow chart of a vehicle air-tightness detection method according to an exemplary embodiment of the present application, where as shown in fig. 1, the vehicle air-tightness detection method includes:
step 100: and when the running condition of the vehicle is a starting state, acquiring the air pressure state of the whole vehicle.
The vehicle has no input air pressure when not started. When the vehicle starts, all devices in the vehicle start to operate, the engine is started, and the air compressor starts to inflate until the air pressure state of the whole vehicle reaches the rated air pressure of the whole vehicle.
If the air pressure of the whole vehicle does not reach the rated air pressure all the time, the air compressor works all the time until the dryer unloads, and the air pressure of the whole vehicle reaches the rated air pressure. If the whole vehicle can not reach the rated air pressure all the time, the failure of the air compressor or serious air leakage of the vehicle is shown, the sound of the air leakage of the vehicle is large at the moment and is easy to find, and therefore the serious air leakage can be judged by a driver directly through the sound.
Step 200: and when the air pressure state of the whole vehicle is greater than a preset air pressure value, detecting the air pressure change condition of the vehicle within a preset time period.
The preset air pressure value is the rated air pressure of the whole vehicle, when the air pressure state of the whole vehicle reaches the rated air pressure value, a driver can close an engine of the vehicle to enable an air compressor to stop delivering air pressure, and at the moment, instruments on the vehicle are still in a running state. After the air compressor stops conveying air pressure, a period of time is needed to wait for the air pressure to be stable, the air pressure is high in temperature when being input immediately and is unstable as a whole, and therefore the change condition of the air pressure is recorded within a period of time after the air pressure is stable.
Step 300: and determining the air tightness of the vehicle according to the air pressure change condition of the vehicle in a preset time period.
If the air pressure change value of the vehicle is smaller than the standard pressure reduction value within the preset time period, which indicates that the vehicle does not leak air or the air leakage is slight and does not affect the operation of the vehicle within the preset time period, the air tightness of the vehicle can be determined to meet the use requirement. If the air pressure change value of the vehicle is greater than the standard pressure reduction value within the preset time period, the air leakage point of the vehicle is indicated, workers need to intervene to check and overhaul the pipeline, the air leakage value at the moment affects the normal operation of the vehicle, and the air tightness using requirement of the vehicle is not met.
According to the vehicle air tightness detection method, whether the air tightness of the vehicle meets the requirements or not can be judged by detecting the change of the air pressure value in the specified time, and the driver can detect the air tightness before the vehicle operates every time, so that the safety of every trip is ensured, and the occurrence of accidents is reduced. In addition, the vehicle air tightness detection method can be used for detecting the air leakage phenomenon which is not easy to find by a driver, and the safety of a vehicle can be further improved.
Fig. 2 is a schematic flow chart of a vehicle air-tightness detection method according to another exemplary embodiment of the present application, and as shown in fig. 2, the vehicle air-tightness detection method may further include:
step 400: and acquiring a detection gear of the vehicle.
The detection gear comprises an opening gear and an automatic detection gear.
The vehicle can set up three kinds of control switch, corresponds respectively and opens the gear, closes the gear and the three gear of automated inspection gear, and the driver can adjust the gear through operation control switch, opens the gear and for the manual gear that opens the gas tightness and detect of driver, and the automated inspection gear is then carried out automated inspection by the vehicle according to the operational aspect of vehicle and whole car atmospheric pressure state to the gas tightness of vehicle. When opening the automated inspection gear, the vehicle can carry out the detection mode when whole car is opened voluntarily, opens the gear and can use with closing the gear cooperation, can manually or automatic switch to closing the gear after the driver adopts to open the gear and detects to finish.
The step 200 may include:
step 210: and when the air pressure state of the whole vehicle is greater than a preset air pressure value, detecting the air pressure change condition of the vehicle within a preset time period according to the detection gear of the vehicle.
When the air pressure state of the whole vehicle is larger than a preset air pressure value and the gear is not in an automatic detection gear, a driver can manually adjust the gear from a closing gear to a starting gear, close an engine, start to detect the air tightness of the whole vehicle, and determine whether the air tightness reaches a use condition or not by detecting the air pressure change condition of the vehicle in a preset time period. When the automatic detection gear is started, the vehicle can automatically carry out a detection mode when the whole vehicle is started, and the driver does not need to adjust to the starting gear. The automatic detection gear is more intelligent, can carry out automated inspection when starting the vehicle at every turn, saves driver's operating time to prevent that the driver from forgetting to carry out the gas tightness and detect, improve the security that the vehicle travel. The opening gear and the closing gear give more selection space for a driver, the air tightness of the vehicle does not need to be repeatedly detected when the vehicle is used for multiple times in a short time interval, the starting time of the vehicle is saved, and the use efficiency of the vehicle is improved.
In one embodiment, the step 210 may include: and when the air pressure state of the whole vehicle is larger than a first preset air pressure value and the detection gear of the vehicle is an opening gear, starting to detect the air pressure change condition of the vehicle within a preset time period.
When a driver selects manual starting detection, the air tightness detection of a vehicle needs to meet the condition that the air pressure state of the whole vehicle is larger than a first preset air pressure value, the first preset air pressure value can be the rated air pressure of a brake system, and after the air pressure state of the whole vehicle reaches the first preset air pressure value, the dryer is unloaded, the air pressure of the whole vehicle reaches an ideal air pressure state, and the air tightness is detected more accurately at the moment.
In one embodiment, the step 210 may include: and when the air pressure state of the whole vehicle is greater than a second preset air pressure value and the detection gear of the vehicle is an automatic detection gear, starting to detect the air pressure change condition of the vehicle within a preset time period.
The second predetermined air pressure value may be less than the first predetermined air pressure value. The automatic detection gear is more intelligent than opening the gear, and when the whole vehicle air pressure state is greater than the second preset air pressure value but does not reach the first preset air pressure value, the automatic detection can be carried out on the air tightness of the vehicle, wherein the second preset air pressure value can be the whole rated air pressure of the vehicle. For example, the first preset air pressure value of the vehicle, namely the rated air pressure of the braking system is 0.8MPa, but the second preset air pressure value of the whole ventilation of the vehicle is 0.6MPa, and between 0.6MPa and 0.8MPa, the whole ventilation of the vehicle is realized, and the vehicle in the automatic detection gear can automatically perform air tightness detection when the air pressure is between 0.6MPa and 0.8 MPa. If the air pressure value of the vehicle reaches 0.7MPa, the air compressor stops working, the vehicle is kept stand for 3 minutes under the air pressure of 0.7MPa, and the air pressure change value of the vehicle is smaller than the standard pressure reduction value within two minutes, so that the air tightness of the vehicle can be determined to meet the use condition. However, when the driver adjusts the gear to the open gear, the vehicle can only start to detect the air pressure change value after the whole vehicle air pressure reaches 0.8MPa, so as to determine the air tightness of the vehicle.
In an embodiment, the vehicle airtightness detection method may further include: and when the speed of the vehicle is greater than the preset speed, stopping detecting the air pressure change condition.
The preset vehicle speed can be set to be 0, when the vehicle speed of the vehicle is greater than 0, the vehicle can be reflected to start running, the vehicle automatically stops detecting the air pressure change condition at the moment, the situation that a driver forgets to adjust the gear to a closed gear is prevented, and the air pressure change causes false alarm when the whole vehicle brakes. That is to say, when the vehicle speed of vehicle is greater than the preset vehicle speed, if the gear before this is the open gear, automatic the gear that resumes to closing reaches the effect of protection and prevention misinformation. The function CAN be realized by connecting the vehicle air tightness detection device provided by the application with the ECU of the whole vehicle through a CAN line.
In an embodiment, the step 300 may include: and when the air pressure change value of the vehicle in the preset time period is larger than the preset change value, determining that the air tightness of the vehicle does not meet the use condition.
Whether the air tightness of the vehicle meets the requirement or not can be judged by detecting the change of the air pressure value in the specified time. For example, after the vehicle air pressure state is greater than the preset air pressure value, the pressure is stabilized for a period of time (for example, two minutes), when the air pressure in the vehicle reaches a stable state, the recording of the change of the air pressure value of the vehicle is started, and when the recording is started, the air pressure value in the vehicle is determined to be A 1 After a predetermined period of time (e.g., three minutes), the air pressure in the vehicle is a 2 And the standard depressurization value of the vehicle is a B value, the value of the B value is selected according to the air pressure volume of the whole vehicle and the rated air pressure of the vehicle, and the air pressure change value of the vehicle in a preset time period is calculated: a. the 2 ―A 1 And A is 2 ―A 1 Comparing the result of (A) with the value of B if A 2 ―A 1 If the result is greater than the value B, the air tightness of the vehicle does not reach the use condition, an air leakage point possibly exists, and the air leakage point of the vehicle needs to be checked and overhauled by human intervention, if A is greater than the value B, the air tightness of the vehicle does not reach the use condition, the air leakage point of the vehicle possibly exists, and if A is greater than the value B, the air leakage point of the vehicle needs to be checked and overhauled by human intervention 2 ―A 1 If the result is less than the value B, the air tightness of the vehicle reaches the use condition, the air pressure change is the normal air pressure change, no air leakage point exists, and the vehicle can be normally operated.
In an embodiment, after determining that the air-tightness of the vehicle does not satisfy the use condition, the vehicle air-tightness detecting method may further include: and sending an exception prompt.
After the air tightness of the vehicle is determined not to meet the use condition, the instrument can remind a driver of checking the air pressure pipeline of the whole vehicle in an audible and visual alarm mode, for example, a red light is displayed on the instrument and a buzzer is sounded, and the driver is prompted in time, so that the dangerous condition that the driver is not sensitive to data and directly starts to operate the vehicle is prevented.
The instrument can also prompt the detection state of the vehicle to the driver through different colors of lights, for example, the instrument displays a yellow light when the vehicle performs voltage stabilization, which represents that the driver is required to wait in the process of detection. After the fact that the air tightness of the vehicle meets the use condition is determined, the instrument can display a green light to prompt a driver that the vehicle is the whole vehicle with air tightness and can normally drive. When the air pressure of the whole vehicle does not reach the rated air pressure, a red light can be displayed to prompt the driver that the air pressure is abnormal.
In an embodiment, the step 200 may include: when the air pressure state of the whole vehicle is larger than a preset air pressure value, executing pressure stabilizing operation; and when the time of the pressure stabilizing operation is longer than the preset time, starting to detect the air pressure change condition of the vehicle.
The preset air pressure value is the rated air pressure of the whole vehicle, when the air pressure state of the whole vehicle reaches the rated air pressure value, a driver can close an engine of the vehicle to enable an air compressor to stop delivering air pressure, and at the moment, instruments on the vehicle are still in a running state. After the air compressor stops conveying air pressure, a period of time is needed to wait for the air pressure to be stable, the air pressure is high in temperature when being input immediately and is unstable as a whole, and therefore the change condition of the air pressure is recorded within a period of time after the air pressure is stable.
The use working condition one is as follows: when the vehicle gear is in the closed gear, a driver starts the vehicle to start running, and the driver shifts the gear from the closed gear to the open gear, fig. 3 is a schematic diagram of the open gear of the vehicle airtightness detection method according to an exemplary embodiment of the present application, and as shown in fig. 3, after the vehicle is started, the driver performs full braking and releases the hand valve(step 31), that is to say, the driver needs to step on the foot brake and release the hand brake valve, and the driver can detect the pipeline of the whole vehicle only by performing the two operations, otherwise, if the hand brake valve is not released, the air tightness of the pipeline from the hand brake valve to the air chamber cannot be detected, if the foot brake is not stepped on, the air tightness of the pipeline from the relay valve to the air chamber cannot be detected, and the air leakage of the relay valve of the rear axle cannot be detected, so that the driver needs to step on the foot brake and release the hand valve when the test is performed. After the driver finishes operating, the system detects whether the air pressure of the whole vehicle is greater than the rated air pressure (step 32), if the air pressure of the whole vehicle is not greater than the rated air pressure, the gear is automatically restored to a closed gear, and the instrument displays a red light (step 33), so that the driver is prompted to find out that the air compressor or the pipeline is in trouble at the moment and needs to be checked and overhauled. If the air pressure of the whole vehicle is greater than the rated air pressure, waiting for T 1 For a time period to wait for the air pressure to stabilize (step 34), if the preset T is not reached 1 For the time of the stabilization, the wait continues and the meter displays the yellow light (step 35), if T is reached 1 And starting to detect the air pressure change value after the pressure stabilizing time. By detecting T 2 Whether the change value of the air pressure within the time is greater than the B value (step 36) to determine whether the airtightness of the vehicle satisfies the use condition, if T 2 If the change value of the air pressure in the time is larger than the B value, it indicates that the airtightness of the vehicle does not satisfy the use condition, and the meter displays a red light and sounds a buzzer (step 38). If T is 2 If the change value of the air pressure in the time is less than the B value, the air tightness of the vehicle meets the use condition, and the meter displays a green light (step 37).
The first use condition is as follows: when the vehicle gear is located at the automatic detection gear, fig. 4 is a schematic diagram of the automatic detection gear of the vehicle air tightness detection method provided by another exemplary embodiment of the present application, as shown in fig. 4, the driver starts the vehicle to run, the system enters the automatic detection state, the driver performs full braking and releases the hand valve (step 41), that is, the driver needs to press the foot brake and release the hand brake valve, the driver performs the two operations to detect the pipeline of the vehicle, otherwise, if the hand brake valve is not released, the air tightness of the pipeline from the hand brake valve to the air chamber cannot be detected, and if the hand brake valve is not pressed, the air tightness of the pipeline from the hand brake valve to the air chamber cannot be detectedThe foot brake does not test the air tightness of the pipeline from the relay valve to the air chamber, and cannot test the air leakage of the relay valve of the rear axle, so that a driver is required to step on the foot brake and release the hand valve during the test. And (5) after the driver finishes the operation, detecting whether the air pressure of the whole vehicle is greater than the rated air pressure or not by the system (step 42), if the air pressure of the whole vehicle is not greater than the rated air pressure, automatically quitting the detection (step 43), and prompting the driver that the air compressor or the pipeline has a problem at the moment and needs to be checked and overhauled. If the air pressure of the whole vehicle is greater than the rated air pressure, waiting for T 1 For a time period to wait for the air pressure to stabilize (step 44), if the preset T is not reached 1 For the stabilization time, wait continues and the meter displays a yellow light (step 45), if T is reached 1 And starting to detect the air pressure change value after the pressure stabilizing time. By detecting T 2 Whether the change value of the air pressure within the time is greater than the B value (step 46) to determine whether the airtightness of the vehicle satisfies the use condition, if T 2 If the change value of the air pressure in the time is larger than the B value, it indicates that the airtightness of the vehicle does not satisfy the use condition, and the meter displays a red light and sounds a buzzer (step 48). If T is 2 If the change value of the air pressure in the time is less than the value B, the air tightness of the vehicle meets the use condition, and the meter displays a green light (step 47).
Exemplary devices
Fig. 5 is a schematic structural diagram of a vehicle air-tightness detection device according to an exemplary embodiment of the present application, and as shown in fig. 5, the vehicle air-tightness detection device 8 includes: the acquiring module 81 is used for acquiring the air pressure state of the whole vehicle when the running condition of the vehicle is a starting state; the detection module 82 is used for detecting the air pressure change condition of the vehicle within a preset time period when the air pressure state of the whole vehicle is greater than a preset air pressure value; and a determining module 83, configured to determine air tightness of the vehicle according to a change of air pressure of the vehicle within a preset time period.
The application provides a vehicle gas tightness detection device can judge whether the gas tightness of vehicle satisfies the demands through detecting the change of the air pressure value in the specified time, and the driver can detect the gas tightness before the vehicle operation at every turn, so as to ensure the safety of trip at every turn, and reduce the occurrence of accidents. In addition, the vehicle air tightness detection device provided by the application can be used for detecting the air leakage phenomenon which is not easy to find by a driver, and the safety of a vehicle can be further improved.
Fig. 6 is a schematic structural diagram of a vehicle air-tightness detection device according to another exemplary embodiment of the present application, and as shown in fig. 6, the vehicle air-tightness detection device 8 may further include: an acquisition gear module 84 for acquiring a detected gear of the vehicle; the detection module 82 may be configured to: the detecting component 821 is configured to detect a change of the air pressure of the vehicle within a preset time period according to a detection gear of the vehicle when the air pressure state of the entire vehicle is greater than a preset air pressure value.
In one embodiment, the detection component 821 may be configured to: and when the air pressure state of the whole vehicle is larger than a first preset air pressure value and the detection gear of the vehicle is an opening gear, starting to detect the air pressure change condition of the vehicle within a preset time period.
In an embodiment, the detecting component 821 may be further configured to: and when the air pressure state of the whole vehicle is greater than a second preset air pressure value and the detection gear of the vehicle is an automatic detection gear, starting to detect the air pressure change condition of the vehicle within a preset time period.
In an embodiment, the vehicle air-tightness detecting device 8 may be further configured to: and when the speed of the vehicle is greater than the preset speed, stopping detecting the air pressure change condition.
In an embodiment, the determining module 83 may be configured to: and when the air pressure change value of the vehicle in the preset time period is larger than the preset change value, determining that the air tightness of the vehicle does not meet the use condition.
In an embodiment, the vehicle air-tightness detecting device 8 may be further configured to: and sending an exception prompt.
In one embodiment, the detection module 82 may be configured to: when the air pressure state of the whole vehicle is larger than a preset air pressure value, executing pressure stabilizing operation; and when the time of the pressure stabilizing operation is longer than the preset time, starting to detect the air pressure change condition of the vehicle.
Exemplary electronic device
Next, an electronic apparatus according to an embodiment of the present application is described with reference to fig. 7. The electronic device may be either or both of the first device and the second device, or a stand-alone device separate from them, which stand-alone device may communicate with the first device and the second device to receive the acquired input signals therefrom.
FIG. 7 illustrates a block diagram of an electronic device in accordance with an embodiment of the present application.
As shown in fig. 7, the electronic device 10 includes one or more processors 11 and memory 12.
The processor 11 may be a Central Processing Unit (CPU) or other form of processing unit having data processing capabilities and/or instruction execution capabilities, and may control other components in the electronic device 10 to perform desired functions.
Memory 12 may include one or more computer program products that may include various forms of computer-readable storage media, such as volatile memory and/or non-volatile memory. The volatile memory may include, for example, Random Access Memory (RAM), cache memory (cache), and/or the like. The non-volatile memory may include, for example, Read Only Memory (ROM), hard disk, flash memory, etc. One or more computer program instructions may be stored on the computer-readable storage medium and executed by the processor 11 to implement the vehicle air-tightness detection methods of the various embodiments of the present application described above and/or other desired functions. Various content such as an input signal, signal components, noise components, etc. may also be stored in the computer readable storage medium.
In one example, the electronic device 10 may further include: an input device 13 and an output device 14, which are interconnected by a bus system and/or other form of connection mechanism (not shown).
When the electronic device is a stand-alone device, the input means 13 may be a communication network connector for receiving the acquired input signals from the first device and the second device.
The input device 13 may also include, for example, a keyboard, a mouse, and the like.
The output device 14 may output various information including the determined distance information, direction information, and the like to the outside. The output devices 14 may include, for example, a display, speakers, a printer, and a communication network and its connected remote output devices, among others.
Of course, for simplicity, only some of the components of the electronic device 10 relevant to the present application are shown in fig. 7, and components such as buses, input/output interfaces, and the like are omitted. In addition, the electronic device 10 may include any other suitable components depending on the particular application.
The computer program product may be written with program code for performing the operations of embodiments of the present application in any combination of one or more programming languages, including an object oriented programming language such as Java, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device and partly on a remote computing device, or entirely on the remote computing device or server.
The computer readable storage medium may take any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. A readable storage medium may include, for example, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium include: an electrical connection having one or more wires, a portable disk, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
The foregoing description has been presented for purposes of illustration and description. Furthermore, the description is not intended to limit embodiments of the application to the form disclosed herein. While a number of example aspects and embodiments have been discussed above, those of skill in the art will recognize certain variations, modifications, alterations, additions and sub-combinations thereof.
Claims (10)
1. A vehicle airtightness detection method is characterized by comprising:
when the running condition of the vehicle is a starting state, acquiring the air pressure state of the whole vehicle;
when the air pressure state of the whole vehicle is larger than a preset air pressure value, detecting the air pressure change condition of the vehicle within a preset time period; and
and determining the air tightness of the vehicle according to the air pressure change condition of the vehicle in the preset time period.
2. The vehicle air-tightness detection method according to claim 1, further comprising:
acquiring a detection gear of the vehicle; the detection gear comprises an opening gear and an automatic detection gear;
when the whole vehicle air pressure state is greater than the preset air pressure value, the detection of the air pressure change condition of the vehicle within the preset time period comprises the following steps:
and when the air pressure state of the whole vehicle is greater than a preset air pressure value, detecting the air pressure change condition of the vehicle within the preset time period according to the detection gear of the vehicle.
3. The vehicle air tightness detection method according to claim 2, wherein when the vehicle air pressure state is greater than a preset air pressure value, detecting the air pressure change condition of the vehicle within a preset time period according to the detection gear of the vehicle comprises:
and when the air pressure state of the whole vehicle is greater than a first preset air pressure value and the detection gear of the vehicle is the starting gear, starting to detect the air pressure change condition of the vehicle in the preset time period.
4. The vehicle air tightness detection method according to claim 2, wherein when the vehicle air pressure state is greater than a preset air pressure value, detecting the air pressure change condition of the vehicle within a preset time period according to the detection gear of the vehicle comprises:
and when the air pressure state of the whole vehicle is larger than a second preset air pressure value and the detection gear of the vehicle is the automatic detection gear, starting to detect the air pressure change condition of the vehicle in the preset time period.
5. The vehicle air-tightness detection method according to claim 1, further comprising:
and when the speed of the vehicle is greater than the preset speed, stopping detecting the air pressure change condition.
6. The vehicle airtightness detection method according to claim 1, wherein the determining of the airtightness of the vehicle according to the change in the air pressure of the vehicle within the preset time period includes:
and when the air pressure change value of the vehicle in the preset time period is larger than a preset change value, determining that the air tightness of the vehicle does not meet the use condition.
7. The vehicle air-tightness detection method according to claim 6, further comprising, after said determining that the air-tightness of the vehicle does not satisfy the use condition:
and sending an exception prompt.
8. The vehicle air tightness detection method according to claim 1, wherein when the vehicle air pressure state is greater than a preset air pressure value, detecting the air pressure change condition of the vehicle within a preset time period comprises:
when the air pressure state of the whole vehicle is larger than a preset air pressure value, executing pressure stabilizing operation;
and when the time of the pressure stabilizing operation is longer than the preset time, starting to detect the air pressure change condition of the vehicle in the preset time period.
9. A vehicle airtightness detection apparatus, characterized by comprising:
the acquisition module is used for acquiring the air pressure state of the whole vehicle when the running condition of the vehicle is a starting state;
the detection module is used for detecting the air pressure change condition of the vehicle within a preset time period when the air pressure state of the whole vehicle is greater than a preset air pressure value; and
and the determining module is used for determining the air tightness of the vehicle according to the air pressure change condition of the vehicle in the preset time period.
10. A vehicle, characterized by comprising:
a detection device for performing the vehicle airtightness detection method according to any one of claims 1 to 8, the detection device being mounted in the vehicle, the detection device being configured to detect airtightness of a brake system of the vehicle;
a meter connected with the detection device, the meter being mounted on the vehicle, the meter being configured to display a detection result of the detection device.
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| CN202210581814.3A CN114964656A (en) | 2022-05-26 | 2022-05-26 | Vehicle air tightness detection method and device and vehicle |
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| CN202210581814.3A CN114964656A (en) | 2022-05-26 | 2022-05-26 | Vehicle air tightness detection method and device and vehicle |
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