Heavy truck

Abstract

The utility model discloses a heavy truck. The heavy truck comprises an engine oil rail, an electric pump, a coarse strainer, a resistance sensor assembly and a controller. An outlet of the electric pump is connected with an engine oil rail, the coarse strainer is arranged on the inlet side of the electric pump, the resistance sensor assembly is arranged at an inlet and outlet of the coarse strainer and used for detecting inlet and outlet resistance of the coarse strainer, and the controller is connected with the resistance sensor assembly. The heavy truck can monitor the resistance value of the inlet and the outlet of the oil way coarse strainer, monitor the use degree of the filter element of the coarse strainer, reduce the resistance from the oil way to an engine, increase the maintenance mileage of the truck and reduce the oil consumption of the truck.

Description

Technical Field

[0001] The present utility model relates to the field of vehicles, and more particularly to a heavy-duty truck. Background Art

[0002] In related technologies, there is no resistance alarm for the coarse filter of heavy-duty trucks. Only when the vehicle is powered on, the electric pump of the coarse filter starts to pump oil for 3 minutes to meet the engine startup requirements. The electric pump of the coarse filter has no control logic and needs to be started every time it is powered on, with a high usage frequency and a high failure rate. It is impossible to predict the usage of the coarse filter element, and there is no maintenance reminder function. The maintenance mileage of heavy-duty trucks is short, and the fuel consumption increases after the resistance value at the inlet and outlet of the coarse filter rises. Summary of the Utility Model

[0003] The present utility model aims to solve at least one of the technical problems existing in the prior art. To this end, an object of the present utility model is to provide a heavy-duty truck that can monitor the resistance values at the inlet and outlet of the oil circuit coarse filter, and at the same time monitor the usage degree of the coarse filter element, reduce the resistance from the oil circuit to the engine, increase the vehicle maintenance mileage, and reduce the vehicle fuel consumption.

[0004] To solve the above problems, an embodiment of the first aspect of the present utility model provides a heavy-duty truck, including: an engine oil rail; an electric pump, the outlet of the electric pump is connected to the engine oil rail; a coarse filter, the coarse filter is disposed on the inlet side of the electric pump; a resistance sensor assembly, the resistance sensor assembly is disposed at the inlet and outlet of the coarse filter for detecting the inlet and outlet resistance of the coarse filter; a controller for determining the filter element state of the coarse filter based on the inlet and outlet resistance of the coarse filter, the controller is connected to the resistance sensor assembly.

[0005] According to the heavy-duty truck of the embodiment of the present utility model, the resistance values at the inlet and outlet of the oil circuit coarse filter can be monitored in real time, and at the same time the usage degree of the coarse filter element can be monitored. When the resistance at the inlet and outlet of the coarse filter increases to the limit value, by starting the electric pump, the resistance from the oil circuit to the engine is reduced, the vehicle maintenance mileage is increased, and the vehicle fuel consumption is reduced.

[0006] In some embodiments, the resistance sensor assembly includes: a first resistance sensor disposed at the inlet of the coarse filter and connected to the controller for detecting the inlet resistance of the coarse filter; a second resistance sensor disposed at the outlet of the coarse filter and connected to the controller for detecting the outlet resistance of the coarse filter.

[0007] In some embodiments, the heavy-duty truck further includes: a prompting device, the prompting device is connected to the controller for prompting the filter element state of the coarse filter.

[0008] In some embodiments, the prompting device includes at least one of a display screen, an instrument, and a voice prompting device.

[0009] In some embodiments, the controller is further connected to the electric pump to control the start of the electric pump based on the inlet and outlet resistance values and the fuel quantity demand state of the engine fuel injection system.

[0010] In some embodiments, the controller is a vehicle controller.

[0011] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The above and / or additional aspects and advantages of the present utility model will become apparent and be readily understood from the following description of embodiments in conjunction with the accompanying drawings, in which:

[0013] Figure 1 is a structural block diagram of a heavy-duty truck according to an embodiment of the present utility model;

[0014] Figure 2 is a structural block diagram of a resistance sensor assembly according to an embodiment of the present utility model;

[0015] Figure 3 is a schematic diagram of the operation of a primary filter according to an embodiment of the present utility model.

[0016] Reference Signs:

[0017] Heavy-duty truck 100;

[0018] Resistance sensor assembly 110;

[0019] Engine oil rail 101; Electric pump 102; Primary filter 103; Controller 104; Prompting device 105; First resistance sensor 111; Second resistance sensor 112. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Embodiments of the present utility model will be described in detail below. The embodiments described with reference to the accompanying drawings are exemplary. Embodiments of the present utility model will be described in detail below.

[0021] An embodiment of the first aspect of the present utility model provides a heavy-duty truck, as Figure 1 shown, the heavy-duty truck 100 includes: an engine oil rail 101, an electric pump 102, a primary filter 103, a resistance sensor assembly 110, and a controller 104.

[0022] Among them, the outlet of the electric pump 102 is connected to the engine oil rail 101; the coarse filter 103 is arranged on the inlet side of the electric pump 102; the resistance sensor assembly 110 is arranged at the inlet and outlet of the coarse filter 103 for detecting the inlet and outlet resistance of the coarse filter; a controller for determining the filter element state of the coarse filter 103 based on the inlet and outlet resistance of the coarse filter 103, and the controller 104 is connected to the resistance sensor assembly 110 for determining the filter element state of the coarse filter 103 according to the inlet and outlet resistance of the coarse filter 103.

[0023] Specifically, the main function of the coarse filter 103 is to filter out larger impurities or particles in the fluid, thereby protecting subsequent equipment or systems from damage. Therefore, the fuel system of the heavy truck 100 should include a coarse filter 103 with a coarse filtering function. The coarse filter 103 can separate large particle impurities in the fuel, thereby improving the fuel quality entering the engine, protecting subsequent equipment or systems from damage, and extending the service life of the equipment.

[0024] The engine oil rail 101, that is, the high-pressure oil rail, is an oil pipeline in front of the fuel injector that supplies oil to the cylinders of an internal combustion engine. It includes a fuel inlet and a seat sleeve connected to multiple fuel injectors.

[0025] The controller 104 detects the inlet and outlet resistance values of the coarse filter 103 and the fuel injection system oil quantity demand state of the engine through the resistance sensor assembly 110. When the difference between the inlet and outlet resistance of the coarse filter 103 increases to a specified value, the electric pump 102 needs to be started to increase the fuel injection volume. The start time of the electric pump 102 depends on the difference between the inlet and outlet resistance of the coarse filter 103. The greater the difference between the inlet and outlet resistance of the coarse filter 103, the longer the start time of the electric pump 102, so as to reduce the resistance of the oil fluid passing through the engine oil rail 101 to the engine, enable the oil fluid to reach the engine quickly and effectively, meet the engine oil fluid demand, and achieve the purpose of reducing fuel consumption.

[0026] According to the heavy truck of the embodiment of the present invention, the resistance values at the inlet and outlet of the oil circuit coarse filter can be monitored in real time, and at the same time, the usage degree of the coarse filter element can be monitored. When the resistance at the inlet and outlet of the coarse filter increases to the limit value, by starting the electric pump, the resistance of the oil circuit to the engine is reduced, the vehicle maintenance mileage is increased, and the vehicle fuel consumption is reduced.

[0027] In some embodiments, as Figure 2 shown, the resistance sensor assembly 110 includes: a first resistance sensor 111 and a second resistance sensor 112.

[0028] Among them, the first resistance sensor 111 is arranged at the inlet of the coarse filter 103 and is connected to the controller 104 for detecting the inlet resistance of the coarse filter; the second resistance sensor 112 is arranged at the outlet of the coarse filter 103 and is connected to the controller 104 for detecting the outlet resistance of the coarse filter 103.

[0029] Specifically, there are multiple types of resistance sensors. For example, piezoresistive pressure sensors, capacitive pressure sensors, etc. Any one of the above resistance sensors can be selected in this application. The first resistance sensor can be understood as a sensor arranged at the inlet of the coarse filter for detecting the resistance value of the oil when it enters the coarse filter. The second resistance sensor can be understood as a sensor arranged at the outlet of the coarse filter for detecting the resistance value of the oil when it flows out of the coarse filter. The first resistance sensor 101 and the second resistance sensor 102 are respectively connected to the controller 104, and transmit the detected resistance values at the inlet and outlet of the coarse filter 103 to the controller 104. The controller 104 calculates the resistance difference between the inlet and outlet of the coarse filter 103, and judges whether to start the electric pump 102 according to the resistance difference.

[0030] In some embodiments, as Figure 1 shown, the heavy-duty truck 100 further includes: a prompting device 105.

[0031] Wherein, the prompting device 105 is connected to the controller 104 and is used to prompt the filter element state of the coarse filter 103.

[0032] Specifically, after the coarse filter 103 has been used for a long time, the filter element of the coarse filter 103 cannot meet the filtering requirements and needs to be replaced. The filter element state of the coarse filter 103 is obtained according to the resistance sensor assembly 110. When the resistance difference between the inlet and outlet of the coarse filter 103 increases to a specified value, the controller 104 controls the prompting device 105 to give a prompt to remind the driver to perform maintenance and replacement of the coarse filter element.

[0033] In some embodiments, the prompting device includes at least one of a display screen, an instrument, and a voice prompting device.

[0034] Specifically, the filter element state of the coarse filter 103 is obtained according to the resistance sensor assembly 110. When the resistance difference between the inlet and outlet of the coarse filter 103 increases to a specified value, the controller 104 controls the prompting device 105 to give a prompt to remind the driver to perform maintenance and replacement of the coarse filter element. When the prompting device gives a prompt, it displays the replacement and maintenance information on the display screen and the instrument, and at the same time gives a voice prompt through the voice device to transmit the prompt information to the driver.

[0035] In some embodiments, the controller is also connected to the electric pump to control the start of the electric pump based on the inlet and outlet resistance values and the fuel injection system fuel quantity demand state of the engine.

[0036] Specifically, as Figure 1As shown, the controller 104 is also connected to the electric pump 102. The controller 104 detects the inlet and outlet resistance values of the coarse filter 103 and the fuel quantity demand status of the engine fuel injection system through the resistance sensor assembly 110. When the difference between the inlet and outlet resistance values of the coarse filter 103 increases to a specified value, the controller 104 controls the electric pump 102 to start and increase the fuel injection quantity. The start time of the electric pump 102 depends on the difference between the inlet and outlet resistance values of the coarse filter 103. The greater the difference between the inlet and outlet resistance values of the coarse filter 103, the longer the start time of the electric pump 102, so as to reduce the resistance of the oil fluid passing through the engine oil rail 101 to the engine, enabling the oil fluid to reach the engine quickly and effectively. After the engine fuel injection system meets the fuel quantity demand, the controller 104 controls the electric pump 102 to shut down, saving fuel.

[0037] In some embodiments, the controller is a vehicle controller.

[0038] Specifically, the vehicle control is the central control unit of a heavy truck and is the core of the entire control system. It collects various signals and processes them to achieve effective control and management of the entire vehicle, ensuring that the vehicle operates normally and stably under good power performance, high economy, and reliability.

[0039] The following is based on Figure 3 The working principle of the coarse filter will be described. After the vehicle is powered on and started, the vehicle controller obtains the vehicle start information and the engine demand information. At the same time, the vehicle controller monitors the resistance values at the inlet and outlet of the oil filter of the oil circuit through the resistance sensor assembly, and monitors the usage degree of the coarse filter element. When the resistance difference increases to a specified value, the vehicle controller controls the instrument to give a status indication, reminding the driver to perform maintenance and replacement of the coarse filter element; the vehicle controller monitors the resistance values at the inlet and outlet of the oil filter of the oil circuit and the fuel quantity demand status of the engine fuel injection system, and reduces the resistance of the oil circuit to the engine by starting the electric pump, enabling the oil fluid to reach the engine quickly and effectively, meeting the engine oil fluid demand, and achieving the purpose of reducing fuel consumption.

[0040] In the description of this specification, the description of reference terms such as "one embodiment", "some embodiments", "schematic embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example.

[0041] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and purposes of the present invention. The scope of the present invention is defined by the claims and their equivalents.

Claims

1. A heavy-duty truck, characterized in that, Comprising: An engine oil rail; An electric pump, the outlet of which is connected to the engine oil rail; A coarse filter, which is arranged on the inlet side of the electric pump; A resistance sensor assembly, which is arranged at the inlet and outlet of the coarse filter for detecting the inlet and outlet resistance of the coarse filter; A controller for determining the filter element state of the coarse filter based on the inlet and outlet resistance of the coarse filter, the controller being connected to the resistance sensor assembly.

2. The heavy-duty truck according to claim 1, characterized in that, The resistance sensor assembly includes: A first resistance sensor, which is arranged at the inlet of the coarse filter and is connected to the controller for detecting the inlet resistance of the coarse filter; A second resistance sensor, which is arranged at the outlet of the coarse filter and is connected to the controller for detecting the outlet resistance of the coarse filter.

3. The heavy-duty truck according to claim 1 or 2, characterized in that, The heavy-duty truck further includes: A prompting device, which is connected to the controller for prompting the filter element state of the coarse filter.

4. The heavy-duty truck according to claim 3, characterized in that, The prompting device includes at least one of a display screen, an instrument and a voice prompting device.

5. The heavy-duty truck according to claim 1 or 2, characterized in that, The controller is further connected to the electric pump to control the start of the electric pump based on the inlet and outlet resistance values and the fuel quantity demand state of the engine fuel injection system.

6. The heavy-duty truck according to claim 1 or 2, characterized in that, The controller is a vehicle controller.

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