Urea filter element maintenance reminders, devices, electronic equipment, and storage media

Abstract

This invention relates to the field of urea filter maintenance technology, specifically to a method, device, electronic device, and storage medium for reminding users to perform urea filter maintenance. The method involves: acquiring the vehicle type corresponding to the target vehicle; determining preset conditions for the target vehicle based on its vehicle type, ensuring the accuracy of these preset conditions, and thus detecting whether the target vehicle needs urea filter maintenance based on these preset conditions; acquiring the parameter information of the target vehicle corresponding to the preset conditions; and checking whether the parameter information meets the preset conditions, ensuring the accuracy of the detection results. If the parameter information meets the preset conditions, it is determined that the urea filter of the target vehicle needs maintenance, and a urea filter maintenance reminder message is output, thereby timely reminding the user to perform urea filter maintenance. This avoids the impact of untimely urea filter maintenance on the normal operation of the target vehicle's engine.

Description

Technical Field

[0001] This invention relates to the field of urea filter element maintenance technology, specifically to urea filter element maintenance reminder methods, devices, electronic equipment, and storage media. Background Technology

[0002] Currently, emission regulations for heavy-duty commercial vehicles have been upgraded to China Stage VI, requiring NOx emissions during whole-vehicle PEMS testing to be below 0.69 g / kWh. This places higher demands on the quality and concentration of urea. Urea concentration is primarily monitored using a urea quality sensor. When the urea concentration is substandard, engine emissions will exceed the limits, leading to torque or even speed limitations. Conversely, if the urea is of poor quality, such as containing impurities, while emissions may not exceed limits, these impurities can clog the urea filter. A clogged filter can prevent the urea pump from drawing liquid, ultimately causing pressure build-up failure or even pump damage.

[0003] Therefore, urea filter maintenance is a crucial part of engine maintenance, even more so than the impact of substandard urea on aftertreatment components. A clogged urea filter can cause irreversible damage to the urea pump, often resulting in pump failure or leaks due to delayed filter replacement – ​​a costly mistake. Furthermore, because the urea filter is installed inside the urea tank, many customers are unaware of its existence as a consumable part. Therefore, timely reminders to maintain the urea filter are essential.

[0004] Therefore, how to remind users to clean urea filters in a timely manner has become an urgent problem to be solved. Summary of the Invention

[0005] In view of this, the present invention provides a method, device, electronic device and storage medium for reminding users to maintain urea filters, so as to solve the problem of how to remind users to maintain urea filters in a timely manner.

[0006] In a first aspect, the present invention provides a method for reminding users of urea filter cartridge maintenance, the method comprising:

[0007] Obtain the vehicle type corresponding to the target vehicle;

[0008] Based on the vehicle type corresponding to the target vehicle, determine the preset conditions corresponding to the target vehicle;

[0009] Obtain parameter information of the target vehicle corresponding to preset conditions;

[0010] Check whether the parameter information of the target vehicle meets the preset conditions;

[0011] If the parameter information meets the preset conditions, it is determined that the urea filter of the target vehicle needs maintenance, and a urea filter maintenance reminder message is output.

[0012] The urea filter maintenance reminder method provided in this application obtains the vehicle type corresponding to the target vehicle; based on the vehicle type, it determines the preset conditions corresponding to the target vehicle, ensuring the accuracy of the determined preset conditions, thereby enabling detection of whether the target vehicle needs urea filter maintenance based on the preset conditions. Then, it obtains the parameter information of the target vehicle corresponding to the preset conditions; it checks whether the parameter information of the target vehicle meets the preset conditions, ensuring the accuracy of the obtained detection results. If the parameter information meets the preset conditions, it is determined that the urea filter of the target vehicle needs maintenance, and a urea filter maintenance reminder message is output, thus timely reminding the user to perform urea filter maintenance. This avoids the impact of untimely urea filter maintenance on the normal operation of the target vehicle's engine.

[0013] In one optional implementation, the vehicle type includes highway vehicles. Based on the vehicle type corresponding to the target vehicle, preset conditions corresponding to the target vehicle are determined, including:

[0014] If the target vehicle is a highway vehicle, then the preset condition corresponding to the target vehicle is determined as the first preset condition;

[0015] Correspondingly, obtain the parameter information of the target vehicle corresponding to the preset conditions, including:

[0016] Obtain the vehicle mileage, vehicle operating time, and operating parameters of the urea pump corresponding to the target vehicle; the vehicle mileage and vehicle operating time are the vehicle mileage and vehicle operating time reset after the last urea filter maintenance.

[0017] The urea filter maintenance reminder method provided in this application embodiment determines the first preset condition if the target vehicle is a highway vehicle. Then, it acquires the vehicle's mileage, operating time, and the operating parameters of the urea pump, ensuring the accuracy of these data. This allows for the determination of whether the target vehicle's urea filter needs maintenance based on the mileage, operating time, and urea pump operating parameters.

[0018] In one optional implementation, detecting whether the parameter information of the target vehicle meets preset conditions includes:

[0019] Check whether the vehicle's mileage exceeds the preset mileage;

[0020] Detect whether the vehicle running time exceeds a preset vehicle running time threshold;

[0021] Check whether the operating parameters meet the preset operating parameter conditions;

[0022] If the vehicle's mileage is greater than the preset mileage, and / or the vehicle's operating time is greater than the preset vehicle operating time threshold, and / or the operating parameters meet the preset operating parameter conditions, then the parameter information of the target vehicle is determined to meet the preset conditions.

[0023] The urea filter maintenance reminder method provided in this application detects whether the vehicle's mileage exceeds a preset mileage; detects whether the vehicle's operating time exceeds a preset vehicle operating time threshold; and detects whether the operating parameters meet preset operating parameter conditions. If the vehicle's mileage exceeds the preset mileage, and / or the vehicle's operating time exceeds the preset vehicle operating time threshold, and / or the operating parameters meet the preset operating parameter conditions, then it is determined that the target vehicle's parameter information meets the preset conditions, ensuring the accuracy of the determined target vehicle parameter information meeting the preset conditions. This method determines that the target vehicle's urea filter needs maintenance based on three aspects: vehicle mileage, vehicle operating time, and urea pump operating parameters, and outputs urea filter maintenance reminder information. This ensures the timeliness of the output of the urea filter maintenance reminder information.

[0024] In one optional implementation, the operating parameters include the current speed of the urea pump, and detecting whether the operating parameters meet preset operating parameter conditions includes:

[0025] Get the current speed of the urea pump;

[0026] Compare the current speed with the preset speed threshold;

[0027] If the current speed is greater than the preset speed threshold, then the operating parameters are determined to meet the preset operating parameter conditions.

[0028] The urea filter maintenance reminder method provided in this application embodiment obtains the current speed of the urea pump; compares the current speed with a preset speed threshold; if the current speed is greater than the preset speed threshold, it is determined that the operating parameters meet the preset operating parameter conditions, thus ensuring the accuracy of the determined operating parameters meeting the preset operating parameter conditions.

[0029] In one optional implementation, the operating parameters further include the pressure difference of the urea pump; if the current rotational speed is greater than a preset rotational speed threshold, then it is determined that the operating parameters meet the preset operating parameter conditions, including:

[0030] Check whether the inlet and outlet pressures of the urea pump are within the corresponding preset pressure range.

[0031] If the inlet pressure and outlet pressure of the urea pump are both within the corresponding preset pressure range, and the current speed is greater than the preset speed threshold, then obtain the inlet pressure and outlet pressure of the urea pump.

[0032] Calculate the pressure difference between the inlet pressure and the outlet pressure;

[0033] Compare the pressure difference with a preset pressure difference threshold;

[0034] If the pressure difference is greater than the preset pressure difference threshold, then record the first duration of the pressure difference being greater than the preset pressure difference threshold, and record the second duration of the current rotation speed being greater than the preset rotation speed threshold.

[0035] If the first duration is longer than the first preset duration, and / or the second duration is longer than the second preset duration, then the operating parameters are determined to meet the preset operating parameter conditions.

[0036] The urea filter maintenance reminder method provided in this application detects whether the inlet and outlet pressures of the urea pump are both within their respective preset pressure ranges, thereby detecting whether the inlet and outlet pressures of the urea pump are in a stable state. If the inlet and outlet pressures of the urea pump are both within their respective preset pressure ranges, it is determined that the inlet and outlet pressures of the urea pump are in a stable state, and the current rotational speed is greater than a preset rotational speed threshold. The inlet and outlet pressures of the urea pump are then obtained, ensuring the accuracy of the obtained inlet and outlet pressures. The pressure difference between the inlet and outlet pressures is calculated; the pressure difference is compared with a preset pressure difference threshold; if the pressure difference is greater than the preset pressure difference threshold, a first duration for which the pressure difference is greater than the preset pressure difference threshold and a second duration for which the current rotational speed is greater than the preset rotational speed threshold are recorded. This allows for the detection of whether the operating parameters meet the preset operating parameter conditions based on the first and second durations. If the first duration is longer than the first preset duration, and / or the second duration is longer than the second preset duration, then the operating parameters are determined to meet the preset operating parameter conditions, ensuring the accuracy of the determined operating parameters meeting the preset operating parameter conditions.

[0037] In one optional implementation, the vehicle type includes engineering vehicles. Based on the vehicle type corresponding to the target vehicle, preset conditions corresponding to the target vehicle are determined, including:

[0038] If the target vehicle is an engineering vehicle, then the preset condition corresponding to the target vehicle is determined as the second preset condition;

[0039] Correspondingly, obtain the parameter information of the target vehicle corresponding to the preset conditions, including:

[0040] Obtain the urea pump running time, vehicle running time, and urea pump operating parameters for the target vehicle; the urea pump running time and vehicle running time are the urea pump running time and vehicle running time reset after the last urea filter maintenance.

[0041] The urea filter maintenance reminder method provided in this application embodiment, if the target vehicle is an engineering vehicle, determines the preset conditions corresponding to the target vehicle as the second preset conditions, ensuring the accuracy of the determined second preset conditions. It acquires the urea pump operating time, vehicle operating time, and operating parameters corresponding to the target vehicle, ensuring the accuracy of the acquired urea pump operating time, vehicle operating time, and operating parameters. Based on these parameters, it can determine that the urea filter of the target vehicle needs maintenance and output urea filter maintenance reminder information.

[0042] In one optional implementation, detecting whether the parameter information of the target vehicle meets preset conditions includes:

[0043] Check whether the urea pump running time exceeds the preset urea pump running time threshold;

[0044] Detect whether the vehicle running time exceeds a preset vehicle running time threshold;

[0045] Check whether the operating parameters meet the preset operating parameter conditions;

[0046] If the urea pump running time is greater than the preset urea pump running time threshold, and / or the vehicle running time is greater than the preset vehicle running time threshold, and / or the running parameters meet the preset running parameter conditions, then the parameter information of the target vehicle is determined to meet the preset conditions.

[0047] The urea filter maintenance reminder method provided in this application embodiment detects whether the urea pump running time is greater than a preset urea pump running time threshold; detects whether the vehicle running time is greater than a preset vehicle running time threshold; and detects whether the operating parameters meet preset operating parameter conditions. If the urea pump running time is greater than the preset urea pump running time threshold, and / or the vehicle running time is greater than the preset vehicle running time threshold, and / or the operating parameters meet the preset operating parameter conditions, then it is determined that the parameter information of the target vehicle meets the preset conditions, thus ensuring the accuracy of the determined parameter information of the target vehicle meeting the preset conditions.

[0048] Secondly, the present invention provides a urea filter element maintenance reminder device, the device comprising:

[0049] The first acquisition module is used to acquire the vehicle type corresponding to the target vehicle;

[0050] The determination module is used to determine the preset conditions corresponding to the target vehicle based on the vehicle type of the target vehicle.

[0051] The second acquisition module is used to acquire parameter information of the target vehicle corresponding to preset conditions;

[0052] The detection module is used to detect whether the parameter information of the target vehicle meets the preset conditions;

[0053] The output module is used to determine that the urea filter of the target vehicle needs maintenance if the parameter information meets the preset conditions, and outputs urea filter maintenance reminder information.

[0054] The urea filter maintenance reminder device provided in this application embodiment obtains the vehicle type corresponding to the target vehicle; based on the vehicle type, it determines the preset conditions corresponding to the target vehicle, ensuring the accuracy of the determined preset conditions, thereby enabling the detection of whether the target vehicle needs urea filter maintenance based on the preset conditions. Then, it obtains the parameter information of the target vehicle corresponding to the preset conditions; it checks whether the parameter information of the target vehicle meets the preset conditions, ensuring the accuracy of the obtained detection results. If the parameter information meets the preset conditions, it is determined that the urea filter of the target vehicle needs maintenance, and a urea filter maintenance reminder message is output, thus timely reminding the user to perform urea filter maintenance. This avoids the impact of untimely urea filter maintenance on the normal operation of the target vehicle's engine.

[0055] Thirdly, the present invention provides an electronic device, comprising: a memory and a processor, wherein the memory and the processor are communicatively connected to each other, the memory stores computer instructions, and the processor executes the computer instructions to perform the urea filter maintenance reminder method of the first aspect or any corresponding embodiment described above.

[0056] Fourthly, the present invention provides a target vehicle, comprising: a vehicle body and the electronic device described in the third aspect, the electronic device being used to perform the urea filter maintenance reminder method of the first aspect or any corresponding embodiment thereof.

[0057] Fifthly, the present invention provides a computer-readable storage medium storing computer instructions for causing a computer to execute the urea filter element maintenance reminder method described in the first aspect or any corresponding embodiment thereof.

[0058] In a sixth aspect, the present invention provides a computer program product, including computer instructions for causing a computer to execute the urea filter element maintenance reminder method described in the first aspect or any corresponding embodiment. Attached Figure Description

[0059] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0060] Figure 1 This is a flowchart illustrating the urea filter element maintenance reminder method according to an embodiment of the present invention;

[0061] Figure 2 This is a flowchart illustrating another urea filter element maintenance reminder method according to an embodiment of the present invention;

[0062] Figure 3 This is a framework diagram of a method for maintaining urea filters for high-speed standard-load highway vehicles according to an embodiment of the present invention;

[0063] Figure 4 This is a flowchart illustrating another urea filter element maintenance reminder method according to an embodiment of the present invention;

[0064] Figure 5 This is a framework diagram of a maintenance reminder method for urea filter elements of engineering vehicles according to an embodiment of the present invention;

[0065] Figure 6 This is a structural block diagram of a urea filter element maintenance reminder device according to an embodiment of the present invention;

[0066] Figure 7 This is a schematic diagram of the hardware structure of an electronic device according to an embodiment of the present invention. Detailed Implementation

[0067] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0068] Currently, emission regulations for heavy-duty commercial vehicles have been upgraded to China Stage VI, requiring NOx emissions during whole-vehicle PEMS testing to be below 0.69 g / kWh. This places higher demands on the quality and concentration of urea. Urea concentration is primarily monitored using a urea quality sensor. When the urea concentration is substandard, engine emissions will exceed the limits, leading to torque or even speed limitations. Conversely, if the urea is of poor quality, such as containing impurities, while emissions may not exceed limits, these impurities can clog the urea filter. A clogged filter can prevent the urea pump from drawing liquid, ultimately causing pressure build-up failure or even pump damage.

[0069] Therefore, urea filter maintenance is a crucial part of engine maintenance, even more so than the impact of substandard urea on aftertreatment components. A clogged urea filter can cause irreversible damage to the urea pump, often resulting in pump failure or leaks due to delayed filter replacement – ​​a costly mistake. Furthermore, because the urea filter is installed inside the urea tank, many customers are unaware of its existence as a consumable part. Therefore, timely reminders to maintain the urea filter are essential.

[0070] Therefore, how to remind users to clean urea filters in a timely manner has become an urgent problem to be solved.

[0071] It should be noted that the urea filter maintenance reminder method provided in this application embodiment can be implemented by a urea filter maintenance reminder device. This device can be implemented as part or all of an electronic device through software, hardware, or a combination of software and hardware. The electronic device can be a control device in the target vehicle. In the following method embodiments, the implementation subject is always an electronic device.

[0072] According to an embodiment of the present invention, a method for reminding urea filter cartridge maintenance is provided. It should be noted that the steps shown in the flowchart in the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions. Furthermore, although a logical order is shown in the flowchart, in some cases, the steps shown or described may be executed in a different order than that shown here.

[0073] This embodiment provides a urea filter cartridge maintenance reminder method, which can be used in the aforementioned electronic devices. Figure 1 This is a flowchart of a urea filter element maintenance reminder method according to an embodiment of the present invention, such as... Figure 1 As shown, the process includes the following steps:

[0074] Step S101: Obtain the vehicle type corresponding to the target vehicle.

[0075] Optionally, the electronic device can read the target vehicle's attribute information from the storage space to determine the vehicle type corresponding to the target vehicle.

[0076] Optionally, the electronic device can also receive the vehicle type corresponding to the target vehicle.

[0077] This application does not specifically limit the method by which the electronic device obtains the vehicle type corresponding to the target vehicle.

[0078] Step S102: Determine the preset conditions corresponding to the target vehicle based on the vehicle type corresponding to the target vehicle.

[0079] Specifically, different vehicle types have different preset conditions. Electronic devices can determine the preset conditions corresponding to the target vehicle based on the correspondence between vehicle type and preset conditions.

[0080] This step will be explained in detail below.

[0081] Step S103: Obtain the parameter information of the target vehicle corresponding to the preset conditions.

[0082] Specifically, the electronic device can read preset conditions, determine the parameter information of the target vehicle involved in the preset conditions, and then monitor the target vehicle to obtain the parameter information of the target vehicle corresponding to the preset conditions.

[0083] This step will be explained in detail below.

[0084] Step S104: Detect whether the parameter information of the target vehicle meets the preset conditions.

[0085] Specifically, the electronic device can read preset conditions and then detect whether the acquired parameter information of the target vehicle meets the preset conditions.

[0086] This step will be explained in detail below.

[0087] Step S105: If the parameter information meets the preset conditions, it is determined that the urea filter of the target vehicle needs maintenance, and a urea filter maintenance reminder message is output.

[0088] Specifically, if the parameter information meets the preset conditions, the electronic device determines that the urea filter of the target vehicle needs maintenance and outputs a urea filter maintenance reminder message.

[0089] Optionally, the electronic device can display urea filter maintenance reminder information through a display component in the target vehicle; alternatively, the electronic device can output urea filter maintenance reminder voice information through a voice output component in the target vehicle.

[0090] The urea filter maintenance reminder method provided in this application obtains the vehicle type corresponding to the target vehicle; based on the vehicle type, it determines the preset conditions corresponding to the target vehicle, ensuring the accuracy of the determined preset conditions, thereby enabling detection of whether the target vehicle needs urea filter maintenance based on the preset conditions. Then, it obtains the parameter information of the target vehicle corresponding to the preset conditions; it checks whether the parameter information of the target vehicle meets the preset conditions, ensuring the accuracy of the obtained detection results. If the parameter information meets the preset conditions, it is determined that the urea filter of the target vehicle needs maintenance, and a urea filter maintenance reminder message is output, thus timely reminding the user to perform urea filter maintenance. This avoids the impact of untimely urea filter maintenance on the normal operation of the target vehicle's engine.

[0091] This embodiment provides a urea filter cartridge maintenance reminder method, which can be used in the aforementioned electronic devices. Figure 2 This is a flowchart of a urea filter element maintenance reminder method according to an embodiment of the present invention, such as... Figure 2 As shown, the process includes the following steps:

[0092] Step S201: Obtain the vehicle type corresponding to the target vehicle.

[0093] Please refer to the above description of step S101 for details on this step, which will not be repeated here.

[0094] Step S202: Determine the preset conditions corresponding to the target vehicle based on the vehicle type corresponding to the target vehicle.

[0095] Specifically, the vehicle type includes highway vehicles, and step S202 above may include the following steps:

[0096] Step S2021: If the target vehicle is a highway vehicle, then the preset condition corresponding to the target vehicle is determined as the first preset condition.

[0097] Among them, highway vehicles can represent vehicles that travel a long distance; for example: tractor-trailers, cargo trucks, logistics vehicles, etc.

[0098] Specifically, the electronic device can determine the preset condition corresponding to the target vehicle as the first preset condition based on the correspondence between highway vehicles and the first preset condition.

[0099] Step S203: Obtain the parameter information of the target vehicle corresponding to the preset conditions.

[0100] Specifically, step S203 above may include the following steps:

[0101] Step S2031: Obtain the vehicle mileage, vehicle running time, and operating parameters of the urea pump corresponding to the target vehicle.

[0102] The vehicle mileage and vehicle operating time are the vehicle mileage and vehicle operating time reset after the last urea filter maintenance.

[0103] Specifically, the electronic device can read the current total mileage data stored in the instrument control unit (ECU) and obtain the historical total mileage data corresponding to the last maintenance of the urea filter. Then, the electronic device subtracts the historical total mileage data from the current total mileage data to obtain the vehicle mileage corresponding to the target vehicle.

[0104] Each time the electronic device receives a message from the engine control unit (ECU) containing the engine start time and running duration, it obtains the vehicle's sub-run time for each cycle. The electronic device can then add up the vehicle's sub-run times since the last urea filter maintenance to obtain the vehicle's corresponding running time.

[0105] Specifically, electronic devices can obtain the operating parameters of the urea pump corresponding to the target vehicle through a communication connection with sensors installed on the urea pump.

[0106] Step S204: Detect whether the parameter information of the target vehicle meets the preset conditions.

[0107] Specifically, step S204 above may include the following steps:

[0108] Step S2041: Detect whether the vehicle's mileage is greater than the preset mileage.

[0109] Specifically, the electronic device can receive preset mileage input by the user, or preset mileage sent by other devices. The electronic device can also set the preset mileage based on the current status information of the target vehicle.

[0110] Specifically, the electronic device can acquire the target vehicle's current total mileage and total usage time. It can also acquire the target vehicle's historical driving records, maintenance records (detailed to the time, items, and replaced parts for each maintenance), real-time status data of key vehicle components (including engine performance indicators, brake system wear, tire condition, etc.), environmental data (such as frequently encountered road conditions and weather conditions), and driving habit data (average speed, frequency of rapid acceleration and braking, etc.). Then, the electronic device inputs the target vehicle's current total mileage, total usage time, historical driving records, maintenance records, real-time status data of key vehicle components, environmental data, and driving habit data into a target preset mileage calculation model. The target preset mileage calculation model extracts features from the input data and outputs the preset mileage corresponding to the target vehicle.

[0111] For example, the preset operating mileage can be 30,000 kilometers, 31,000 kilometers, or other mileages. This application embodiment does not specifically limit the preset operating mileage.

[0112] Then, the electronic device compares the vehicle's mileage with the preset mileage to detect whether the vehicle's mileage is greater than the preset mileage.

[0113] Step S2042: Detect whether the vehicle running time is greater than the preset vehicle running time threshold.

[0114] Specifically, the electronic device can receive preset vehicle running time thresholds input by the user, or preset vehicle running time thresholds sent by other devices. The electronic device can also set preset vehicle running time thresholds based on the current status information of the target vehicle.

[0115] Specifically, the electronic device can acquire the target vehicle's current total mileage and total usage time. It can also acquire the target vehicle's historical driving records, maintenance records (detailed to the time, items, and replaced parts for each maintenance), real-time status data of key vehicle components (including engine performance indicators, brake system wear, tire condition, etc.), environmental data (such as frequently encountered road conditions and weather conditions), and driving habit data (average speed, frequency of rapid acceleration and braking, etc.). Then, the electronic device inputs the target vehicle's current total mileage, total usage time, historical driving records, maintenance records, real-time status data of key vehicle components, environmental data, and driving habit data into a preset vehicle operating time threshold calculation model. This model extracts features from the input data and outputs the preset vehicle operating time threshold corresponding to the target vehicle.

[0116] For example, the preset vehicle running time threshold can be 6 months, 5 months, or other durations. This application embodiment does not specifically limit the preset vehicle running time threshold.

[0117] Step S2043: Check whether the operating parameters meet the preset operating parameter conditions.

[0118] Specifically, the operating parameters include the current speed of the urea pump, and step S2043 above may include the following steps:

[0119] Step a1: Obtain the current rotational speed of the urea pump.

[0120] Specifically, the electronic device can obtain the current speed of the urea pump based on the speed sensor installed on the urea pump.

[0121] Step a2: Compare the current speed with the preset speed threshold.

[0122] Specifically, the electronic device can receive a preset speed threshold input by the user, or a preset speed threshold sent by other devices. This application embodiment does not specifically limit the method by which the electronic device obtains the preset speed threshold.

[0123] For example, the preset speed threshold can be 3900 rpm, 4000 rpm, or other values. This application embodiment does not specifically limit the preset speed threshold.

[0124] Then, the electronic device compares the current rotation speed with a preset rotation speed threshold.

[0125] Step a3: If the current speed is greater than the preset speed threshold, then it is determined that the operating parameters meet the preset operating parameter conditions.

[0126] In one alternative implementation, if the current rotational speed is greater than a preset rotational speed threshold, the electronic device determines that the operating parameters meet the preset operating parameter conditions.

[0127] For example, such as Figure 3 The diagram shown is a framework for the maintenance of urea filters in high-speed standard-load vehicles. Figure 3 As shown, the main input quantities include: vehicle mileage, vehicle operating time, and urea pump speed. When the vehicle mileage exceeds 30,000 kilometers, the vehicle operating time exceeds 6 months, or the urea pump speed exceeds 3900 rpm, the urea pump maintenance status is set to 1, the DCU sends a urea filter element maintenance reminder message to the bus, the instrument parses the message content and simultaneously displays 'Please maintain the urea filter element and level sensor filter' on the instrument.

[0128] After the urea filter and level filter are serviced, the diagnostic tool will reset them to an intermediate value written to memory. This will clear the vehicle's mileage and time, restart the filter service reminder counter, reset the DCU message content, and remove the instrument panel text prompts.

[0129] In another optional implementation, the operating parameters also include the pressure differential of the urea pump; step a3 above may include the following steps:

[0130] Step a31: Check whether the inlet pressure and outlet pressure of the urea pump are both within the corresponding preset pressure range.

[0131] Specifically, the electronic device can continuously monitor the inlet and outlet pressures of the urea pump according to a preset sampling frequency, based on high-precision pressure sensors installed in the inlet and outlet lines of the urea pump.

[0132] Then, the electronic device compares the real-time collected inlet and outlet pressure values ​​with their corresponding preset pressure ranges. If both the inlet and outlet pressure values ​​are within their respective preset ranges, the inlet and outlet pressures of the urea pump are determined to be within normal operating conditions.

[0133] If the inlet pressure or outlet pressure exceeds its preset range, the urea pump is deemed to be experiencing an abnormal pressure condition, requiring further inspection and handling.

[0134] For example, the electronic device can receive preset pressure ranges for the inlet and outlet pressures input by the user. For instance, the preset inlet pressure range for a urea pump in a certain brand of vehicle might be 3-5 bar, and the preset outlet pressure range might be 8-12 bar. If the inlet pressure consistently falls below 3 bar or rises above 5 bar, or the outlet pressure consistently falls below 8 bar or rises above 12 bar, the urea pump and its related pipelines need to be inspected to check for blockages, leaks, pump malfunctions, or other problems.

[0135] Step a32: If the inlet pressure and outlet pressure of the urea pump are both within the corresponding preset pressure range, and the current speed is greater than the preset speed threshold, then obtain the inlet pressure and outlet pressure of the urea pump.

[0136] Specifically, if the inlet pressure and outlet pressure of the urea pump are both within the corresponding preset pressure range, and the current speed of the urea pump is greater than the preset speed threshold, the electronic device will collect the inlet pressure and outlet pressure of the urea pump again based on the high-precision pressure sensors installed in the inlet and outlet pipes of the urea pump.

[0137] Step a33: Calculate the pressure difference between the inlet pressure and the outlet pressure.

[0138] Specifically, the electronic device uses the outlet pressure minus the inlet pressure to obtain the pressure difference.

[0139] Step a34: Compare the pressure difference with the preset pressure difference threshold.

[0140] Specifically, the electronic device can receive a preset pressure difference threshold input by the user, or a preset pressure difference threshold sent by other devices. The electronic device can also determine the preset pressure difference threshold corresponding to the urea pump based on the urea pump's attribute information. For example, for a certain model of urea pump, the pressure difference before and after the filter element is generally between 0.1 and 0.3 bar during normal operation. Then, the electronic device compares the pressure difference with the preset pressure difference threshold.

[0141] Step a35: If the pressure difference is greater than the preset pressure difference threshold, record the first duration of the pressure difference being greater than the preset pressure difference threshold, and record the second duration of the current rotation speed being greater than the preset rotation speed threshold.

[0142] Specifically, if the pressure difference is greater than the preset pressure difference threshold, the first duration of the pressure difference being greater than the preset pressure difference threshold is recorded, and the second duration of the current rotation speed being greater than the preset rotation speed threshold is recorded.

[0143] Step a36: If the first duration is longer than the first preset duration and / or the second duration is longer than the second preset duration, then the operating parameters are determined to meet the preset operating parameter conditions.

[0144] Specifically, the electronic device can receive a first preset duration and a second preset duration input by the user. Then, the electronic device compares the first duration with the first preset duration and the second duration with the second preset duration. If the first duration is longer than the first preset duration and / or the second duration is longer than the second preset duration, then it is determined that the operating parameters meet the preset operating parameter conditions.

[0145] Step S2044: If the vehicle's mileage is greater than the preset mileage, and / or the vehicle's running time is greater than the preset vehicle running time threshold, and / or the running parameters meet the preset running parameter conditions, then it is determined that the parameter information of the target vehicle meets the preset conditions.

[0146] Specifically, if the vehicle's mileage is greater than the preset mileage, and / or the vehicle's operating time is greater than the preset vehicle operating time threshold, and / or the operating parameters meet the preset operating parameter conditions, then the parameter information of the target vehicle is determined to meet the preset conditions.

[0147] In step S205, if the parameter information meets the preset conditions, it is determined that the urea filter of the target vehicle needs maintenance, and a urea filter maintenance reminder message is output.

[0148] In one optional embodiment of this application, after a preset time following the output of the urea filter maintenance reminder, the electronic device acquires the current rotational speed, inlet pressure, and outlet pressure of the urea pump, and calculates the pressure difference between the inlet and outlet pressures. If the current rotational speed is less than a preset rotational speed threshold and the pressure difference is less than a preset pressure difference threshold, the electronic device determines that the urea filter has been maintained. The electronic device records the current total mileage corresponding to the time when the urea filter maintenance is completed and resets the vehicle's running time.

[0149] The urea filter maintenance reminder method provided in this application embodiment determines the first preset condition if the target vehicle is a highway vehicle. Then, it acquires the vehicle's mileage, operating time, and the operating parameters of the urea pump, ensuring the accuracy of these parameters. This allows for the determination of whether the urea filter needs maintenance based on the mileage, operating time, and operating parameters. The method also checks whether the vehicle's mileage exceeds a preset mileage and whether the operating time exceeds a preset operating time threshold. It acquires the current rotational speed of the urea pump and compares it with a preset speed threshold. If the current speed exceeds the preset speed threshold, it checks whether the inlet and outlet pressures of the urea pump are within their respective preset pressure ranges, thus ensuring that the inlet and outlet pressures are in a stable state. If both the inlet and outlet pressures of the urea pump are within their respective preset pressure ranges, indicating a stable operating state, and the current rotational speed is greater than a preset speed threshold, then the inlet and outlet pressures of the urea pump are acquired, ensuring the accuracy of the acquired inlet and outlet pressures. The pressure difference between the inlet and outlet pressures is calculated and compared with a preset pressure difference threshold. If the pressure difference is greater than the preset threshold, a first duration for which the pressure difference exceeds the threshold and a second duration for which the current rotational speed exceeds the preset speed threshold are recorded. This allows for the detection of whether the operating parameters meet the preset operating parameter conditions based on the first and second durations. If the first duration is longer than the first preset duration, and / or the second duration is longer than the second preset duration, then the operating parameters are determined to meet the preset operating parameter conditions, ensuring the accuracy of the determined operating parameters meeting the preset operating parameter conditions. If the vehicle's mileage exceeds a preset mileage, and / or the vehicle's operating time exceeds a preset vehicle operating time threshold, and / or the operating parameters meet preset operating parameter conditions, then the target vehicle's parameter information is determined to meet the preset conditions, ensuring the accuracy of the determined target vehicle parameter information meeting the preset conditions. This method determines that the target vehicle's urea filter element requires maintenance based on three aspects: vehicle mileage, vehicle operating time, and urea pump operating parameters, and outputs urea filter element maintenance reminder information. This ensures the timeliness of the output of urea filter element maintenance reminder information.

[0150] This embodiment provides a urea filter cartridge maintenance reminder method, which can be used in the aforementioned electronic devices. Figure 4 This is a flowchart of a urea filter element maintenance reminder method according to an embodiment of the present invention, such as... Figure 4 As shown, the process includes the following steps:

[0151] Step S301: Obtain the vehicle type corresponding to the target vehicle.

[0152] Please refer to the above description of step S201 for details on this step, which will not be repeated here.

[0153] Step S302: Determine the preset conditions corresponding to the target vehicle based on the vehicle type corresponding to the target vehicle.

[0154] Specifically, the vehicle type includes engineering vehicles, and step S302 above may include the following steps:

[0155] Step S3021: If the target vehicle is an engineering vehicle, then the preset condition corresponding to the target vehicle is determined to be the second preset condition.

[0156] Among them, engineering vehicles are used to describe vehicles that have more operational status and lower mileage. Examples include: mixer trucks, dump trucks, pump trucks, and cranes.

[0157] Specifically, the electronic device can determine the preset condition corresponding to the target vehicle as the second preset condition based on the correspondence between the engineering vehicle and the second preset condition.

[0158] Step S303: Obtain the parameter information of the target vehicle corresponding to the preset conditions.

[0159] Specifically, step S303 above may include the following steps:

[0160] Step S3031: Obtain the urea pump running time, vehicle running time, and urea pump running parameters corresponding to the target vehicle.

[0161] The urea pump running time and vehicle running time are the urea pump running time and vehicle running time reset after the last urea filter element maintenance.

[0162] Specifically, the electronic device can read the current total mileage data stored in the instrument control unit (ECU) and obtain the historical total mileage data corresponding to the last maintenance of the urea filter. Then, the electronic device subtracts the historical total mileage data from the current total mileage data to obtain the vehicle mileage corresponding to the target vehicle.

[0163] Specifically, the electronic device receives a message from the engine control unit (ECU) each time, containing the urea pump's start time and runtime, and obtains the urea pump's runtime for each operation. The electronic device can then add up the runtimes of the urea pump since the last urea filter maintenance to obtain the urea pump runtime for the target vehicle.

[0164] Specifically, electronic devices can obtain the operating parameters of the urea pump corresponding to the target vehicle through a communication connection with sensors installed on the urea pump.

[0165] Step S304: Detect whether the parameter information of the target vehicle meets the preset conditions.

[0166] Specifically, step S304 above may include the following steps:

[0167] Step S3041: Detect whether the urea pump running time is greater than the preset urea pump running time threshold.

[0168] Specifically, the electronic device can receive a preset urea pump operating time threshold input by the user, or it can receive preset urea pump operating time thresholds sent by other devices. The electronic device can also set the preset urea pump operating time threshold based on the current status information of the target vehicle.

[0169] Specifically, the electronic device can acquire the target vehicle's current total mileage and total usage time, as well as its historical driving records. Then, it inputs these data into a target preset urea pump operating time threshold calculation model. This model extracts features from the target vehicle's current total mileage, total usage time, and historical driving records, and outputs the corresponding preset urea pump operating time threshold. This preset urea pump operating time threshold can be updated based on the target vehicle's current total mileage, total usage time, and historical driving records.

[0170] For example, the preset urea pump operating time threshold can be 600 hours, 580 hours, or other durations. This application embodiment does not specifically limit the preset urea pump operating time threshold.

[0171] Then, the electronic device compares the urea pump running time with a preset urea pump running time threshold to detect whether the urea pump running time is greater than the preset urea pump running time threshold.

[0172] Step S3042: Detect whether the vehicle running time is greater than the preset vehicle running time threshold.

[0173] For details on this step, please refer to the description of step S2042 above; it will not be repeated here.

[0174] Step S3043: Check whether the operating parameters meet the preset operating parameter conditions.

[0175] For details on this step, please refer to the description of step S2043 above; it will not be repeated here.

[0176] Step S3044: If the urea pump running time is greater than the preset urea pump running time threshold, and / or the vehicle running time is greater than the preset vehicle running time threshold, and / or the running parameters meet the preset running parameter conditions, then it is determined that the parameter information of the target vehicle meets the preset conditions.

[0177] Specifically, if the urea pump running time is greater than the preset urea pump running time threshold, and / or the vehicle running time is greater than the preset vehicle running time threshold, and / or the running parameters meet the preset running parameter conditions, then it is determined that the parameter information of the target vehicle meets the preset conditions.

[0178] In step S305, if the parameter information meets the preset conditions, it is determined that the urea filter of the target vehicle needs maintenance, and a urea filter maintenance reminder message is output.

[0179] For details on this step, please refer to the description of step S205 above; it will not be repeated here.

[0180] In one optional implementation of this application, exemplarily, such as Figure 5 The diagram shown is a framework diagram of the maintenance tips for urea filters on engineering vehicles. Figure 5 As shown, the main input quantities include: urea pump running time, vehicle running time, and urea pump speed. When the urea pump running time exceeds 600 hours, the vehicle running time exceeds 2 months, or the urea pump speed exceeds 3900 rpm, the urea pump maintenance status is set to 1. The DCU sends a urea filter maintenance reminder message to the bus. The instrument panel parses the message content and simultaneously displays "Please maintain the urea filter and level sensor filter" on the instrument panel. After the urea filter and level filter maintenance is completed, the diagnostic tool resets the current vehicle mileage and vehicle running time to an intermediate value written to memory. Then, the vehicle mileage and vehicle running time are cleared to zero, the filter maintenance reminder counter restarts, the DCU sends a reset message, and the instrument panel text prompt disappears.

[0181] In one optional embodiment of this application, after a preset time following the output of the urea filter maintenance reminder, the electronic device acquires the current rotational speed, inlet pressure, and outlet pressure of the urea pump, and calculates the pressure difference between the inlet and outlet pressures. If the current rotational speed is less than a preset rotational speed threshold and the pressure difference is less than a preset pressure difference threshold, the electronic device determines that the urea filter has been maintained. The electronic device records the current total mileage corresponding to the time when the urea filter maintenance is completed and resets the vehicle's running time.

[0182] The urea filter maintenance reminder method provided in this application embodiment, if the target vehicle is an engineering vehicle, determines the preset conditions corresponding to the target vehicle as the second preset conditions, ensuring the accuracy of the determined second preset conditions. It acquires the urea pump operating time, vehicle operating time, and operating parameters corresponding to the target vehicle, ensuring the accuracy of the acquired urea pump operating time, vehicle operating time, and operating parameters. Based on these parameters, it determines that the urea filter of the target vehicle needs maintenance and outputs urea filter maintenance reminder information. It detects whether the urea pump operating time exceeds a preset urea pump operating time threshold; whether the vehicle operating time exceeds a preset vehicle operating time threshold; and whether the operating parameters meet preset operating parameter conditions. If the urea pump operating time exceeds the preset urea pump operating time threshold, and / or the vehicle operating time exceeds the preset vehicle operating time threshold, and / or the operating parameters meet the preset operating parameter conditions, it determines that the parameter information of the target vehicle meets the preset conditions, ensuring the accuracy of the determined parameter information meeting the preset conditions.

[0183] This embodiment also provides a urea filter element maintenance reminder device, which is used to implement the above embodiments and preferred embodiments; details already described will not be repeated. As used below, the term "module" can refer to a combination of software and / or hardware that performs a predetermined function. Although the device described in the following embodiments is preferably implemented in software, hardware implementation, or a combination of software and hardware, is also possible and contemplated.

[0184] This embodiment provides a urea filter element maintenance reminder device, such as... Figure 6 As shown, it includes:

[0185] The first acquisition module 401 is used to acquire the vehicle type corresponding to the target vehicle;

[0186] The determination module 402 is used to determine the preset conditions corresponding to the target vehicle based on the vehicle type corresponding to the target vehicle;

[0187] The second acquisition module 403 is used to acquire parameter information of the target vehicle corresponding to preset conditions;

[0188] The detection module 404 is used to detect whether the parameter information of the target vehicle meets the preset conditions.

[0189] The output module 405 is used to determine that the urea filter of the target vehicle needs maintenance if the parameter information meets the preset conditions, and outputs urea filter maintenance reminder information.

[0190] In some optional implementations, the vehicle type includes highway vehicles. The determining module 402 is specifically used to determine the preset condition corresponding to the target vehicle as the first preset condition if the target vehicle is a highway vehicle. Correspondingly, the second acquiring module 403 is specifically used to acquire the vehicle mileage, vehicle running time, and operating parameters of the urea pump corresponding to the target vehicle. The vehicle mileage and vehicle running time are the vehicle mileage and vehicle running time reset after the last maintenance of the urea filter element.

[0191] In some optional implementations, the detection module 404 is specifically used to detect whether the vehicle's mileage is greater than a preset mileage; detect whether the vehicle's running time is greater than a preset vehicle running time threshold; detect whether the operating parameters meet preset operating parameter conditions; if the vehicle's mileage is greater than the preset mileage, and / or the vehicle's running time is greater than the preset vehicle running time threshold, and / or the operating parameters meet the preset operating parameter conditions, then it is determined that the parameter information of the target vehicle meets the preset conditions.

[0192] In some optional implementations, the operating parameters include the current speed of the urea pump. The detection module 404 is specifically used to obtain the current speed of the urea pump; compare the current speed with a preset speed threshold; if the current speed is greater than the preset speed threshold, it is determined that the operating parameters meet the preset operating parameter conditions.

[0193] In some optional implementations, the operating parameters also include the pressure difference of the urea pump; the detection module 404 is specifically used to detect whether the inlet pressure and outlet pressure of the urea pump are both within the corresponding preset pressure range; if the inlet pressure and outlet pressure of the urea pump are both within the corresponding preset pressure range, and the current rotation speed is greater than a preset rotation speed threshold, then the inlet pressure and outlet pressure of the urea pump are obtained; the pressure difference between the inlet pressure and the outlet pressure is calculated; the pressure difference is compared with a preset pressure difference threshold; if the pressure difference is greater than the preset pressure difference threshold, then the first duration of the pressure difference being greater than the preset pressure difference threshold is recorded, and the second duration of the current rotation speed being greater than the preset rotation speed threshold is recorded; if the first duration is greater than the first preset duration, and / or the second duration is greater than the second preset duration, then it is determined that the operating parameters meet the preset operating parameter conditions.

[0194] In some optional implementations, the vehicle type includes engineering vehicles. The determining module 402 is specifically used to determine the preset condition corresponding to the target vehicle as the second preset condition if the target vehicle is an engineering vehicle. Correspondingly, the second acquisition module 403 is specifically used to acquire the urea pump running time, vehicle running time, and operating parameters of the urea pump corresponding to the target vehicle. The urea pump running time and vehicle running time are the urea pump running time and vehicle running time reset after the last maintenance of the urea filter element.

[0195] Further functional descriptions of the above modules and units are the same as those in the corresponding embodiments described above, and will not be repeated here.

[0196] In this embodiment, the urea filter maintenance reminder device is presented in the form of a functional unit. Here, a unit refers to an ASIC (Application Specific Integrated Circuit) circuit, a processor and memory that execute one or more software or fixed programs, and / or other devices that can provide the above functions.

[0197] This invention also provides an electronic device having the above-described features. Figure 6 The urea filter element maintenance reminder device shown.

[0198] Please see Figure 7 , Figure 7 This is a schematic diagram of the structure of an electronic device provided in an optional embodiment of the present invention, such as... Figure 7 As shown, the electronic device includes one or more processors 10, memory 20, and interfaces for connecting the components, including high-speed interfaces and low-speed interfaces. The components communicate with each other via different buses and can be mounted on a common motherboard or otherwise as required. The processors can process instructions executed within the electronic device, including instructions stored in or on memory to display graphical information of a GUI on external input / output devices (such as display devices coupled to the interfaces). In some alternative implementations, multiple processors and / or multiple buses can be used with multiple memories and multiple memory modules, if desired. Similarly, multiple electronic devices can be connected, each providing some of the necessary operations (e.g., as a server array, a group of blade servers, or a multiprocessor system). Figure 7 Take a processor 10 as an example.

[0199] Processor 10 may be a central processing unit, a network processor, or a combination thereof. Processor 10 may further include a hardware chip. The hardware chip may be an application-specific integrated circuit (ASIC), a programmable logic device (PLD), or a combination thereof. The programmable logic device may be a complex programmable logic device (CAMP), a field-programmable gate array (FPGA), a general-purpose array logic (GPA), or any combination thereof.

[0200] The memory 20 stores instructions executable by at least one processor 10 to cause at least one processor 10 to perform the method shown in the above embodiments.

[0201] The memory 20 may include a program storage area and a data storage area. The program storage area may store the operating system and applications required for at least one function; the data storage area may store data created based on the use of the electronic device. Furthermore, the memory 20 may include high-speed random access memory and may also include non-transitory memory, such as at least one disk storage device, flash memory device, or other non-transitory solid-state storage device. In some alternative embodiments, the memory 20 may optionally include memory remotely located relative to the processor 10, and these remote memories may be connected to the electronic device via a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.

[0202] The memory 20 may include volatile memory, such as random access memory; the memory may also include non-volatile memory, such as flash memory, hard disk or solid-state drive; the memory 20 may also include a combination of the above types of memory.

[0203] The electronic device also includes a communication interface 30 for communicating with other devices or communication networks.

[0204] This invention also provides a computer-readable storage medium. The methods described above according to embodiments of the invention can be implemented in hardware or firmware, or implemented as computer code that can be recorded on a storage medium, or implemented as computer code downloaded via a network and originally stored on a remote storage medium or a non-transitory machine-readable storage medium and then stored on a local storage medium. Thus, the methods described herein can be processed by software stored on a storage medium using a general-purpose computer, a dedicated processor, or programmable or dedicated hardware. The storage medium can be a magnetic disk, optical disk, read-only memory, random access memory, flash memory, hard disk, or solid-state drive, etc.; further, the storage medium can also include combinations of the above types of memory. It is understood that computers, processors, microprocessor controllers, or programmable hardware include storage components capable of storing or receiving software or computer code, which, when accessed and executed by the computer, processor, or hardware, implements the methods shown in the above embodiments.

[0205] A portion of this invention can be applied as a computer program product, such as computer program instructions, which, when executed by a computer, can invoke or provide the methods and / or technical solutions according to the invention through the operation of the computer. Those skilled in the art will understand that the forms in which computer program instructions exist in a computer-readable medium include, but are not limited to, source files, executable files, installation package files, etc. Correspondingly, the ways in which computer program instructions are executed by a computer include, but are not limited to: the computer directly executing the instructions, or the computer compiling the instructions and then executing the corresponding compiled program, or the computer reading and executing the instructions, or the computer reading and installing the instructions and then executing the corresponding installed program. Here, the computer-readable medium can be any available computer-readable storage medium or communication medium accessible to a computer.

[0206] Although embodiments of the invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A urea cartridge maintenance reminder method, the method comprising: The method comprises the following steps: acquiring a vehicle type corresponding to a target vehicle; if the target vehicle is a highway vehicle, determining that a preset condition corresponding to the target vehicle is a first preset condition; acquiring a vehicle running mileage, a vehicle running time corresponding to the target vehicle, and an operating parameter of a urea pump corresponding to the target vehicle; the vehicle running mileage and the vehicle running time are reset vehicle running mileage and vehicle running time after the last maintenance of the urea filter element; the operating parameter comprises a current rotating speed and a pressure difference of the urea pump; detecting whether the vehicle running mileage is greater than a preset running mileage; detecting whether the vehicle running time is greater than a preset vehicle running time threshold; detecting whether the operating parameter meets a preset operating parameter condition; wherein detecting whether the operating parameter meets the preset operating parameter condition comprises: acquiring a current rotating speed corresponding to the urea pump; comparing the current rotating speed with a preset rotating speed threshold; detecting whether the inlet liquid pressure and the outlet liquid pressure corresponding to the urea pump are both within a corresponding preset pressure range; if the inlet liquid pressure and the outlet liquid pressure corresponding to the urea pump are both within the corresponding preset pressure range and the current rotating speed is greater than the preset rotating speed threshold, acquiring the inlet liquid pressure and the outlet liquid pressure corresponding to the urea pump; calculating a pressure difference between the inlet liquid pressure and the outlet liquid pressure; comparing the pressure difference with a preset pressure difference threshold; if the pressure difference is greater than the preset pressure difference threshold, recording a first continuous duration for which the pressure difference is greater than the preset pressure difference threshold, and recording a second continuous duration for which the current rotating speed is greater than the preset rotating speed threshold; if the first continuous duration is greater than a first preset continuous duration and / or the second continuous duration is greater than a second preset continuous duration, determining that the operating parameter meets the preset operating parameter condition; if the vehicle running mileage is greater than the preset running mileage, and / or the vehicle running time is greater than the preset vehicle running time threshold, and / or the operating parameter meets the preset operating parameter condition, determining that parameter information of the target vehicle meets the preset condition; if the parameter information meets the preset condition, determining that a urea filter element of the target vehicle needs to be maintained, and outputting a urea filter element maintenance prompt information.

2. The method of claim 1, wherein, The vehicle type comprises an engineering vehicle, and the preset condition corresponding to the target vehicle is determined according to the vehicle type corresponding to the target vehicle, which comprises the following steps: if the target vehicle is the engineering vehicle, determining that the preset condition corresponding to the target vehicle is a second preset condition; correspondingly, acquiring the parameter information of the target vehicle corresponding to the preset condition comprises the following steps: acquiring a urea pump running time, a vehicle running time corresponding to the target vehicle, and an operating parameter of a urea pump corresponding to the target vehicle; the urea pump running time and the vehicle running time are reset urea pump running time and vehicle running time after the last maintenance of the urea filter element.

3. The method of claim 2, wherein, detecting whether the parameter information of the target vehicle meets the preset condition comprises the following steps: detecting whether the urea pump running time is greater than a preset urea pump running time threshold; detecting whether the vehicle running time is greater than a preset vehicle running time threshold; detecting whether the operating parameter meets a preset operating parameter condition. If the urea pump operation time is greater than the preset urea pump operation time threshold, and / or the vehicle operation time is greater than the preset vehicle operation time threshold, and / or the operation parameter meets the preset operation parameter condition, it is determined that the parameter information of the target vehicle meets the preset condition.

4. A urea cartridge maintenance reminder device, characterized by, The device comprises: A first acquisition module is configured to acquire a vehicle type corresponding to a target vehicle. A determination module is configured to determine a preset condition corresponding to the target vehicle according to the vehicle type corresponding to the target vehicle. A second acquisition module is configured to acquire a vehicle operation mileage, a vehicle operation time corresponding to the target vehicle, and an operation parameter of a urea pump corresponding to the target vehicle. The vehicle operation mileage and the vehicle operation time are the vehicle operation mileage and the vehicle operation time reset after the last maintenance of the urea filter element. The operation parameter includes a current speed and a pressure difference of the urea pump. A detection module is configured to detect whether the vehicle operation mileage is greater than a preset operation mileage. Detect whether the vehicle operation time is greater than a preset vehicle operation time threshold. Detect whether the operation parameter meets a preset operation parameter condition. The detection of whether the operation parameter meets the preset operation parameter condition includes: acquiring a current speed of the urea pump; comparing the current speed with a preset speed threshold; detecting whether the inlet pressure and the outlet pressure of the urea pump are both within a corresponding preset pressure range; if the inlet pressure and the outlet pressure of the urea pump are both within the corresponding preset pressure range and the current speed is greater than the preset speed threshold, acquiring the inlet pressure and the outlet pressure of the urea pump; calculating a pressure difference between the inlet pressure and the outlet pressure; comparing the pressure difference with a preset pressure difference threshold; if the pressure difference is greater than the preset pressure difference threshold, recording a first continuous duration for which the pressure difference is greater than the preset pressure difference threshold, and recording a second continuous duration for which the current speed is greater than the preset speed threshold; if the first continuous duration is greater than a first preset continuous duration, and / or the second continuous duration is greater than a second preset continuous duration, it is determined that the operation parameter meets the preset operation parameter condition; if the vehicle operation mileage is greater than the preset operation mileage, and / or the vehicle operation time is greater than the preset vehicle operation time threshold, and / or the operation parameter meets the preset operation parameter condition, it is determined that the parameter information of the target vehicle meets the preset condition. An output module is configured to determine that the urea filter element of the target vehicle needs to be maintained if the parameter information meets the preset condition, and output a urea filter element maintenance prompt information.

5. An electronic device, comprising: Comprise: A memory and a processor, which are communicatively connected, the memory stores computer instructions, and the processor executes the computer instructions to perform the urea filter element maintenance prompting method of any one of claims 1 to 3.

6. A target vehicle characterized by comprising: Comprise: A vehicle body and the electronic device of claim 5.

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