A fuel consumption detection method, device and medium for construction machinery vehicles

Abstract

The embodiments of this specification disclose a fuel consumption detection method, device and medium for construction machinery vehicles, which relate to the technical field of fuel consumption and are applied to a fuel consumption detection system. The fuel consumption detection system includes a plurality of metering pipes and a measuring fuel tank. The metering pipes are all connected to the measuring fuel tank. The fuel consumption detection system is arranged between the metering system of the construction machinery vehicle and the engine of the construction machinery vehicle. The method includes: controlling the working states of the plurality of metering pipes to generate working state data for each metering pipe, where the working states include an open state and a closed state; calculating the total fuel passing through the metering pipes according to the working state data of each metering pipe; obtaining the remaining fuel quantity in the measuring fuel tank according to a preset method; generating the fuel consumption through the total fuel passing through the metering pipes, the remaining fuel quantity and the previously obtained fuel tank storage capacity in the measuring fuel tank, ensuring the accuracy of multiple data, further improving the accuracy of the fuel consumption and reducing the detection cost.

Description

Technical Field

[0001] This specification relates to the technical field of fuel consumption, and particularly to a fuel consumption detection method, device, and medium for construction machinery vehicles. Background Art

[0002] With the continuous development of the economic society, the demand for construction machinery has been continuously increasing, and construction machinery vehicles have become more and more common. Construction machinery vehicles include various engineering vehicles such as excavators, rotary drilling rigs, rock drilling rigs, loaders, cranes, pile drivers, rollers, bulldozers, etc., and play a huge role in major engineering construction, mine exploitation and other fields. At the same time, in the management process of construction machinery vehicles, controlling fuel consumption costs and improving fuel consumption management levels have become an urgent task for relevant enterprises.

[0003] Currently, when detecting fuel consumption, the fuel consumption is obtained by measuring the volume and remaining amount of an irregular fuel tank. Most of the fuel tanks in construction machinery vehicles are irregular fuel tanks, and measurement errors are likely to occur during measurement, resulting in inaccurate measurement results. Moreover, the method of measuring relevant parameters through devices such as flow meters also increases additional usage costs, and with the increase in the number of uses, the measurement accuracy of the device will also decrease. From the above discussion, it can be seen that the accuracy and detection precision of the detection results obtained by the current fuel consumption detection method cannot meet various application requirements. Summary of the Invention

[0004] One or more embodiments of this specification provide a fuel consumption detection method, device, and medium for construction machinery vehicles, which are used to solve the following technical problems: The accuracy and detection precision of the detection results obtained by the current fuel consumption detection method cannot meet various application requirements.

[0005] One or more embodiments of this specification adopt the following technical solutions:

[0006] One or more embodiments of this specification provide a fuel consumption detection method for construction machinery vehicles, which is applied to a fuel consumption detection system. The fuel consumption detection system includes a plurality of metering pipes and a measurement fuel tank. The metering pipes are all connected to the measurement fuel tank. The fuel consumption detection system is arranged between the metering system of the construction machinery vehicle and the engine of the construction machinery vehicle. The method includes: controlling the working states of the plurality of metering pipes to generate working state data for each metering pipe, where the working states include an open state and a closed state; calculating the total fuel passing through the metering pipes according to the working state data of each metering pipe; obtaining the remaining fuel amount in the measurement fuel tank according to a preset method; generating the fuel consumption through the total fuel passing through the metering pipes, the remaining fuel amount, and the previously obtained fuel tank storage amount in the measurement fuel tank.

[0007] Further, the fuel consumption detection system further includes a solenoid valve that controls the working states of a plurality of metering pipes, specifically including: obtaining the operating state of the construction machinery vehicle; when the pressure of the fuel consumption detection system is constant, based on the operating state of the construction machinery vehicle, controlling the working states of the plurality of metering pipes through the solenoid valve, and the working states include an open state and a closed state.

[0008] Further, the working state data of the metering pipe includes the working state of the metering pipe, the pipeline flow rate of the metering pipe, and the opening time of the metering pipe. According to the working state data of each metering pipe, calculate the total oil passing through the metering pipe, specifically including: determining one or more specified metering pipes with the working state being the open state according to the working state in the working state data of each metering pipe; obtaining the pipeline flow rate and the opening time of each specified metering pipe; obtaining the oil passing amount of each specified metering pipe through the product of the pipeline flow rate and the opening time; based on the oil passing amount of each specified metering pipe, performing an addition operation on the oil passing amounts of the one or more specified metering pipes to obtain the total oil passing through the metering pipe.

[0009] Further, generate the fuel consumption through the total oil passing through the metering pipe, the remaining oil amount, and the pre-obtained fuel tank storage amount in the measurement fuel tank, specifically including: based on the total oil passing through the metering pipe, the fuel tank storage amount, and the remaining oil amount, calculate the fuel consumption according to the following formula: X R = Y0 - Y t + G total where X R is the fuel consumption, Y0 is the fuel tank storage amount in the measurement fuel tank, Y t is the remaining oil amount in the measurement fuel tank, and G total is the total oil passing through the metering pipe in the metering pipe.

[0010] Further, the fuel consumption detection system further includes a pressure regulating valve, and the pressure regulating valve is connected to the plurality of metering pipes to control the working states of the plurality of metering pipes, specifically including: obtaining the operating state of the construction machinery vehicle and the pre-determined working state of each metering pipe, and the working states include an open state and a closed state; when the working state of each metering pipe is constant, based on the operating state of the construction machinery vehicle, controlling the current pressure in the fuel consumption system through the pressure regulating valve so as to determine the total oil passing through the metering pipe based on the current pressure.

[0011] Further, obtain the remaining oil amount in the measurement fuel tank according to a preset method, specifically including: collecting an image of the remaining oil amount in the measurement fuel tank through a pre-set image acquisition device; obtaining the remaining oil amount in the measurement fuel tank through image analysis of the remaining oil amount image.

[0012] Further, by performing image analysis on the remaining fuel quantity image, the remaining fuel quantity in the measured fuel tank is obtained, which specifically includes: pre-acquiring a fuel tank storage image corresponding to the fuel tank storage quantity; converting the fuel tank storage image into a fuel tank storage grayscale image, and determining the pixel position and pixel value of each pixel point in the fuel tank storage grayscale image; converting the remaining fuel quantity image into a remaining fuel quantity grayscale image, and determining the pixel position and pixel value of each pixel point in the remaining fuel quantity grayscale image; according to the pixel positions of each pixel point in the fuel tank storage grayscale image and the pixel positions of each pixel point in the remaining fuel quantity grayscale image, combining two pixel points at the same position into a pixel point pair; comparing the pixel values of the two pixel points in the pixel point pair, and if the difference between the pixel values of the two pixel points is greater than a preset threshold, then marking the pixel point pair; obtaining multiple marked marked pixel point pairs; based on the pixel positions of each pixel point in the marked pixel point pair, calculating a marked area composed of multiple specified pixel points, where the specified pixel point is a pixel point located in the remaining fuel quantity grayscale image among the multiple marked pixel point pairs; calculating the ratio of the marked area to the image area of the pre-acquired fuel tank storage image, and calculating the product of the ratio and the fuel tank storage quantity, to obtain the remaining fuel quantity in the measured fuel tank.

[0013] Further, according to a preset method, the remaining fuel quantity in the measured fuel tank is obtained, which specifically includes: pre-setting a sensor in the measured fuel tank; when the sensor is a pressure sensor, obtaining the pressure data of the pressure sensor; and calculating the remaining fuel quantity in the measured fuel tank through the pressure data according to the following formula: where Y t is the remaining fuel quantity in the measured fuel tank, F Y is the pressure data, g is 9.8 N / kg, and ρ is the fuel density.

[0014] One or more embodiments of this specification provide a fuel consumption detection device for a construction machinery vehicle, including:

[0015] At least one processor; and,

[0016] A memory communicatively connected to the at least one processor; wherein,

[0017] The memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor to enable the at least one processor to:

[0018] Control the working states of multiple metering pipes, generate the working state data of each metering pipe, where the working states include an open state and a closed state; calculate the total amount of oil passing through the metering pipes according to the working state data of each metering pipe; obtain the remaining oil amount in the measuring fuel tank according to a preset method; generate the fuel consumption based on the total amount of oil passing through the metering pipes, the remaining oil amount, and the pre-obtained fuel tank storage capacity in the measuring fuel tank.

[0019] A non-volatile computer storage medium provided by one or more embodiments of this specification stores computer-executable instructions, and the computer-executable instructions are set to: control the working states of multiple metering pipes, generate the working state data of each metering pipe, where the working states include an open state and a closed state; calculate the total amount of oil passing through the metering pipes according to the working state data of each metering pipe; obtain the remaining oil amount in the measuring fuel tank according to a preset method; generate the fuel consumption based on the total amount of oil passing through the metering pipes, the remaining oil amount, and the pre-obtained fuel tank storage capacity in the measuring fuel tank.

[0020] At least one of the above technical solutions adopted in the embodiments of this specification can achieve the following beneficial effects: Through the above technical solutions, a fuel consumption detection system is set up, and the amount of oil flowing into the detection fuel tank is determined by controlling the working states of each metering pipe. Since the inner diameter size of each metering pipe is fixed, the pipeline flow rate per unit time is constant, and the total amount of oil passing through the pipeline obtained is relatively accurate, and a high measurement accuracy can be guaranteed; in addition, the fuel consumption is obtained based on the remaining oil amount in the measuring fuel tank, the fuel tank storage capacity, and the total amount of oil passing through the metering pipes. The measuring fuel tank is a fuel tank with a regular shape, which ensures the accuracy of multiple data and further improves the accuracy of the fuel consumption; finally, the economic cost of the metering pipes and the measuring fuel tank is small, which further reduces the detection cost. Description of the Drawings

[0021] In order to more clearly illustrate the technical solutions in the embodiments of this specification or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments recorded in this specification. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts. In the drawings:

[0022] Figure 1 It is a schematic flowchart of a fuel consumption detection method for a construction machinery vehicle provided by an embodiment of this specification;

[0023] Figure 2 It is a schematic connection diagram of a fuel consumption detection system provided by an embodiment of this specification;

[0024] Figure 3The structural schematic diagram of a fuel consumption detection device for a construction machinery vehicle provided by the embodiments of this specification. Detailed implementation manners

[0025] In order to enable those skilled in the art to better understand the technical solutions in this specification, the technical solutions in the embodiments of this specification will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of this specification. Obviously, the described embodiments are only a part of the embodiments of this specification, rather than all of the embodiments. Based on the embodiments of this specification, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of this specification.

[0026] With the continuous development of the economic society, the demand for construction machinery continues to grow, and construction machinery vehicles are becoming more and more common. Construction machinery vehicles include various engineering vehicles such as excavators, rotary drilling rigs, rock drilling rigs, loaders, cranes, pile drivers, rollers, bulldozers, etc., and play a huge role in major engineering construction, mine exploitation and other fields. At the same time, in the management process of construction machinery vehicles, controlling fuel consumption costs and improving fuel consumption management levels have become the top priorities of relevant enterprises.

[0027] Currently, when detecting fuel consumption, the fuel consumption is obtained by measuring the volume and remaining amount of an irregular fuel tank. Most of the fuel tanks in construction machinery vehicles are irregular fuel tanks, and measurement errors are likely to occur during measurement, resulting in inaccurate measurement results. Moreover, the method of measuring relevant parameters through devices such as flow meters also increases additional usage costs, and with the increase in the number of uses, the measurement accuracy of the device will also decrease to some extent. From the above discussion, it can be seen that the accuracy and detection precision of the detection results obtained by the current fuel consumption detection method cannot meet various application requirements.

[0028] The embodiments of this specification provide a fuel consumption detection method for construction machinery vehicles. The execution entity in the embodiments of this specification can be a server or any device with data processing capabilities. The fuel consumption detection method can be applied to construction machinery vehicles or other fuel-consuming devices. It should be noted that the embodiments of this specification are applied to a fuel consumption detection system, where the fuel consumption detection system includes multiple metering pipes and a measurement fuel tank. The metering pipes are all connected to the measurement fuel tank, and the fuel consumption detection system is arranged between the metering system of the construction machinery vehicle and the engine of the construction machinery vehicle. Here, the metering pipes are composed of several seamless steel pipes with a small diameter. Under a certain pressure, the flow rate is stable, and the parameters of multiple metering pipes can be set to the same parameters or different parameters. Here, the parameters mainly refer to the inner diameter of the metering pipes. When the inner diameters are different, the flow rates that each metering pipe can pass through in the same time are different. In the embodiments of this specification, multiple metering pipes with different inner diameters are taken as an example for illustration. In an embodiment of this specification, the fuel consumption monitoring system further includes a pressure regulating valve, which is connected to the multiple metering pipes and is used to adjust the inlet oil pressure in the system to achieve the purpose of controlling the oil volume.

[0029] Figure 1 It is a schematic flowchart of a fuel consumption detection method for construction machinery vehicles provided by the embodiments of this specification. As Figure 1 shown, it mainly includes the following steps:

[0030] Step S101, control the working states of multiple metering pipes to generate the working state data of each metering pipe.

[0031] In an embodiment of this specification, the working states of the metering pipes include the open state and the closed state. The working state data of the metering pipes includes the working state of the metering pipe, the pipeline flow rate of the metering pipe, and the opening time of the metering pipe. The fuel consumption detection system further includes solenoid valves. Controlling the working states of multiple metering pipes specifically includes: obtaining the operating state of the construction machinery vehicle; when the pressure of the fuel consumption detection system is constant, based on the operating state of the construction machinery vehicle, controlling the working states of multiple metering pipes through the solenoid valves, and the working states include the open state and the closed state. The fuel consumption detection system further includes a pressure regulating valve, which is connected to the multiple metering pipes. Controlling the working states of multiple metering pipes specifically includes: obtaining the operating state of the construction machinery vehicle and the predetermined working state of each metering pipe, and the working state includes the open state and the closed state; when the working state of each metering pipe is constant, based on the operating state of the construction machinery vehicle, controlling the current pressure in the fuel consumption system through the pressure regulating valve, so as to determine the total oil passing through the metering pipe based on the current pressure.

[0032] During the operation of construction machinery vehicles and other fuel equipment, the amount of fuel required by the engine varies under different operating conditions. Therefore, the working state of the metering pipe can be controlled according to the amount of fuel required under the current operating state of the vehicle equipment. Under the condition of constant pressure, that is, when the inlet pressure of the fuel consumption detection system is constant, the working state of multiple metering pipes is controlled by a solenoid valve according to the operating state of the construction machinery vehicle. For example, when idling, only one metering pipe for fuel supply is required to meet the demand. However, when accelerating, the fuel supply of one metering pipe is not sufficient to support the accelerating operation. Therefore, multiple metering pipes need to be opened.

[0033] Similarly, when the working state of each metering pipe, that is, the opening and closing conditions, is fixed, the operating state of the construction machinery vehicle and the predetermined working state of each metering pipe are obtained. The working state includes the open state and the closed state. When the working state of each metering pipe is constant, based on the operating state of the construction machinery vehicle, the current pressure in the fuel consumption system is controlled by a pressure regulating valve so as to determine the total fuel passing through the metering pipe based on the current pressure. In the embodiments of this specification, taking the control of the opening and closing states of multiple metering pipes with different inner diameters under the condition of constant pressure as an example for illustration.

[0034] Multiple metering pipes are arranged in the fuel consumption detection system, but the opening and closing of each metering pipe can be controlled. By remotely controlling the opening and closing states of each metering pipe, the opening and closing states of each metering pipe can be controlled by a solenoid valve to realize the change of the working state of the metering pipe. When the working state of each metering pipe changes, the working state data of each metering pipe is automatically generated to generate a work log for subsequent use of the working state data. It should be noted that the working state data here includes the working state of the metering pipe, the pipeline flow rate of the metering pipe, and the opening time of the metering pipe. Suppose there are a total of four metering pipes: metering pipe 1, metering pipe 2, metering pipe 3, and metering pipe 4. Among them, by setting the inner diameter size of each metering pipe, the pipeline flow rate ratio of metering pipe 1, metering pipe 2, metering pipe 3, and metering pipe 4 is 1:2:2:5. That is to say, within a fixed time, the ratio of the flow rates that can pass through metering pipe 1, metering pipe 2, metering pipe 3, and metering pipe 4 is 1:2:2:5, and it can be set that the flow rates of metering pipe 1, metering pipe 2, metering pipe 3, and metering pipe 4 flowing through per minute are 1 liter, 2 liters, 2 liters, and 5 liters respectively. For example, the opened metering pipes are metering pipe 1, metering pipe 2, and metering pipe 4, and the opening time of each metering pipe is ten minutes.

[0035] Step S102, calculate the total fuel passing through the metering pipe according to the working state data of each metering pipe.

[0036] Based on the working state data of each metering pipe, calculate the total amount of oil passing through the metering pipe, specifically including: determining one or more specified metering pipes with the working state being the open state according to the working state in the working state data of each metering pipe; obtaining the pipeline flow rate and opening time of each specified metering pipe; obtaining the oil passing amount of each specified metering pipe through the product of the pipeline flow rate and the opening time; and performing a summation operation on the oil passing amounts of the one or more specified metering pipes based on the oil passing amounts of each specified metering pipe to obtain the total amount of oil passing through the metering pipe.

[0037] In an embodiment of the present specification, according to the working state in the working state data of each metering pipe, the opened metering pipes are determined among multiple metering pipes. Here, it should be noted that the number of opened metering pipes can be one or multiple. After determining multiple specified metering pipes in the open state, obtain the pipeline flow rate and opening time of each specified metering pipe. The pipeline flow rate refers to the flow rate value flowing through the metering pipe per unit time, and the unit time here can be one minute. The product of the pipeline flow rate and the opening time is the total flow rate flowing through the specified metering pipe within the specified opening time. That is to say, the oil passing amount of each specified metering pipe is obtained by calculating the product of the pipeline flow rate and the opening time. Finally, according to the number of specified metering pipes, the oil passing amounts of multiple specified metering pipes are summed to obtain the total amount of oil passing through the metering pipe. Here, it should be noted that when the number of specified metering pipes is one, the oil passing amount of the specified metering pipe is used as the total amount of oil passing through.

[0038] Step S103, obtain the remaining oil amount in the measurement fuel tank according to a preset method.

[0039] Since the measurement fuel tank is a fuel tank with a regular shape, the value of the remaining oil amount in the measurement fuel tank is relatively accurate, and multiple methods can be used to obtain the remaining oil amount in the measurement fuel tank. It can be obtained through image processing technology, and the remaining oil amount can also be obtained by setting sensors and according to the sensing data.

[0040] Obtain the remaining oil amount in the measurement fuel tank according to a preset method, specifically including: collecting an image of the remaining oil amount in the measurement fuel tank through a pre-set image acquisition device; and obtaining the remaining oil amount in the measurement fuel tank through image analysis of the remaining oil amount image.

[0041] By performing image analysis on the remaining fuel quantity image, the remaining fuel quantity in the measured fuel tank is obtained, which specifically includes: pre-acquiring the fuel tank storage image corresponding to the fuel tank storage capacity; converting the fuel tank storage image into a fuel tank storage grayscale image, and determining the pixel position and pixel value of each pixel point in the fuel tank storage grayscale image; converting the remaining fuel quantity image into a remaining fuel quantity grayscale image, and determining the pixel position and pixel value of each pixel point in the remaining fuel quantity grayscale image; according to the pixel positions of each pixel point in the fuel tank storage grayscale image and the pixel positions of each pixel point in the remaining fuel quantity grayscale image, two pixel points at the same position are combined to form a pixel point pair; comparing the pixel values of the two pixel points in the pixel point pair, if the difference between the pixel values of the two pixel points is greater than a preset threshold, then the pixel point pair is marked; obtaining multiple marked marked pixel point pairs; based on the pixel positions of each pixel point in the marked pixel point pairs, calculating the marked area composed of multiple specified pixel points, where the specified pixel points are the pixel points located in the remaining fuel quantity grayscale image among the multiple marked pixel point pairs; calculating the ratio of the marked area to the image area of the pre-acquired fuel tank storage image, and calculating the product of the ratio and the fuel tank storage capacity, to obtain the remaining fuel quantity in the measured fuel tank.

[0042] In an embodiment of the present specification, the remaining fuel quantity image in the measured fuel tank is collected through a pre-set image acquisition device. It should be noted that the image acquisition device here can be a micro-monitoring device arranged in the fuel consumption detection system and located at the measured fuel tank, and the measured fuel tank can be made of a transparent material. By setting the measured fuel tank made of a transparent material, the remaining fuel quantity image in the measured fuel tank can be collected through the image acquisition device. By performing image analysis on the remaining fuel quantity image, the remaining fuel quantity in the measured fuel tank is obtained.

[0043] In an embodiment of the present specification, the fuel tank storage image corresponding to the fuel tank storage capacity is obtained, and the fuel tank storage image is converted into a fuel tank storage grayscale image. The conversion method here can adopt the average method, the maximum-minimum average method, or the weighted average method. Among them, the average method means adding and averaging the three-channel values of the same pixel point as the pixel value of the pixel point in the grayscale image; the maximum-minimum average method means taking the maximum and minimum brightness values in RGB at the same pixel position for averaging. The weighted average method means setting coefficients of 0.3, 0.59, and 0.11 for the R channel, G channel, and B channel respectively, and performing an addition operation.

[0044] In one embodiment of this specification, to determine the pixel position and pixel value of each pixel point in the fuel tank oil storage grayscale image, it should be noted that according to the position of each pixel point in the fuel tank oil storage grayscale image, the pixel position is determined. The pixel position can be represented in the form of coordinates. Taking the lower left vertex of the fuel tank oil storage grayscale image as the coordinate origin, the horizontal side passing through the lower left vertex as the X-axis, and the vertical side perpendicular to the horizontal side as the Y-axis, a rectangular coordinate system is drawn. According to the position of each pixel point in the coordinate, the pixel position is generated. For example, (2, 4). After determining the pixel position of each pixel point, the pixel value of each pixel point is determined.

[0045] In one embodiment of this specification, the remaining fuel quantity image is converted into a remaining fuel quantity grayscale image, and the pixel position and pixel value of each pixel point in this remaining fuel quantity grayscale image are determined. The conversion method of the remaining fuel quantity grayscale image here is consistent with that of the fuel tank oil storage grayscale image, and the method for determining the pixel position is the same as that for determining the pixel position in the fuel tank oil storage grayscale image. It should be noted here that since the remaining fuel quantity image and the fuel tank oil storage image are both collected by the same device, the various size parameters and display parameters of the two images are the same, and only the image content of the two images is different.

[0046] In one embodiment of this specification, according to the pixel position of each pixel point in the fuel tank oil storage grayscale image and the pixel position of each pixel point in the remaining fuel quantity grayscale image, two pixel points at the same position are combined into a pixel point pair. That is to say, two pixel points with the same coordinate form of the pixel position are combined into a pixel point pair. For example, the pixel point with the pixel position of (1, 2) in the fuel tank oil storage grayscale image and the pixel point with the pixel position of (1, 2) in the remaining fuel quantity grayscale image are combined into a pixel point pair. The pixel values of the two pixel points in the pixel point pair are compared, and the difference between the two is calculated. If the difference between the pixel values of the two pixel points is greater than the preset threshold, the pixel point pair is marked. The preset threshold here can be set according to actual needs. In the above manner, multiple marked pixel point pairs are obtained.

[0047] In one embodiment of this specification, based on the pixel positions of each pixel in the labeled pixel pairs, a labeled area composed of multiple specified pixels is calculated in the remaining fuel amount grayscale image. The specified pixels are the pixels in the remaining fuel amount grayscale image among the multiple labeled pixel pairs. For example, there are two pairs of labeled pixel pairs. One pair is pixel point A1 and pixel point A2. Among them, pixel point A1 is a pixel in the fuel tank storage grayscale image, and pixel point A2 is a pixel in the remaining fuel amount grayscale image. The other pair is pixel point B1 and pixel point B2. Among them, pixel point B1 is a pixel in the fuel tank storage grayscale image, and pixel point B2 is a pixel in the remaining fuel amount grayscale image. Then, among the two pairs of labeled pixel pairs, the two specified pixels in the remaining fuel amount grayscale image are pixel point A2 and pixel point B2, and the labeled area composed of A2 and B2 is calculated. It should be noted that when calculating the labeled area, if the labeled area is an irregularly shaped area, the labeled area is split into regularly shaped areas for area calculation. The size data of the marked area here can be obtained by conversion according to the image length and image width.

[0048] In one embodiment of this specification, calculate the ratio of the labeled area to the image area of the pre-acquired fuel tank storage image. This ratio is used to represent the proportion of the consumed fuel amount in the fuel tank to the storage amount, and calculate the product of this ratio and the fuel storage amount of the fuel tank, then the remaining fuel amount in the measured fuel tank can be obtained.

[0049] According to a preset method, obtain the remaining fuel amount in the measured fuel tank, which specifically includes: pre-set a sensor in the measured fuel tank; when the sensor is a pressure sensor, obtain the pressure data of the pressure sensor; through the pressure data, calculate the remaining fuel amount in the measured fuel tank according to the following formula: where, Y t is the remaining fuel amount in the measured fuel tank, F Y is the pressure data, g is 9.8 N / kg, and ρ is the fuel density.

[0050] In one embodiment of this specification, the remaining fuel amount in the measured fuel tank can also be obtained by setting a sensor. Pre-set a sensor in the measured fuel tank, and the sensor here can be a pressure sensor.

[0051] When the sensor is a pressure sensor, obtain the pressure data detected by the pressure sensor; through the pressure data, calculate the remaining fuel amount in the measured fuel tank according to the following formula: where, Y t is the remaining fuel amount in the measured fuel tank, F Y is the pressure data, g is 9.8 N / kg, and ρ is the fuel density.

[0052] Step S104: Generate the fuel consumption based on the total fuel passing through the metering pipe, the remaining fuel, and the pre-acquired fuel storage capacity of the measurement fuel tank.

[0053] Before generating the fuel consumption based on the total fuel passing through the metering pipe, the remaining fuel, and the pre-acquired fuel storage capacity of the measurement fuel tank, the method further includes: obtaining the specification data of the measurement fuel tank, where the measurement fuel tank is a fuel tank with a regular shape; determining the fuel storage capacity of the measurement fuel tank based on the specification data of the measurement fuel tank.

[0054] In an embodiment of the present specification, since the measurement fuel tank is a fuel tank with a regular shape, the fuel storage capacity of the measurement fuel tank can be calculated based on the dimension data of the measurement fuel tank. It should be noted that the specification data can be understood as dimension data, which can be the length, width, and height of the measurement fuel tank. Generally, the dimension data of the measurement fuel tank is a known item, and the dimension data of the measurement fuel tank is stored at a specified location before the fuel consumption detection for subsequent use. After obtaining the dimension data of the measurement fuel tank, through the analysis and calculation of the dimension data, the fuel storage capacity of the measurement fuel tank is obtained. The calculation method here can be in the form of multiplying the length, width, and height of the fuel tank, or the fuel quantity stored in the measurement fuel tank can be counted and stored in advance for subsequent use.

[0055] Generating the fuel consumption based on the total fuel passing through the metering pipe, the remaining fuel, and the pre-acquired fuel storage capacity of the measurement fuel tank specifically includes: calculating the fuel consumption according to the following formula based on the total fuel passing through the metering pipe, the fuel storage capacity, and the remaining fuel: X R = Y0 - Y t + G total , where X R is the fuel consumption, Y0 is the fuel storage capacity in the measurement fuel tank, Y t is the remaining fuel in the measurement fuel tank, and G total is the total fuel passing through the metering pipe in the metering pipe.

[0056] In an actual application scenario, within a fixed time interval, the change in the fuel quantity in the measurement fuel tank results from the total fuel passing through the metering pipe flowing into the measurement fuel tank from one or more specified metering pipes, the fuel quantity delivered by the measurement fuel tank to the engine, and the engine return fuel quantity. During this process, the actual fuel consumption is the sum of the consumption in the measurement fuel tank within the fixed time interval and the total fuel passing through the metering pipe.

[0057] In an embodiment of the present specification, generating the fuel consumption based on the total fuel passing through the metering pipe, the remaining fuel in the measurement fuel tank, and the pre-acquired fuel storage capacity of the measurement fuel tank, the specific calculation method can be calculated according to the following formula: X R = Y0 - Y t + Gtotal , where X R is the fuel consumption, Y0 is the fuel storage in the measurement fuel tank, and Y t is the remaining fuel in the measurement fuel tank, and G total is the total fuel passing through the metering pipe in the metering pipe.

[0058] Through the above technical solution, a fuel consumption detection system is set up, and the amount of fuel flowing into the detection fuel tank is determined by controlling the working state of each metering pipe. Since the inner diameter of each metering pipe is fixed, the pipeline flow rate per unit time is constant, and the total fuel passing through the pipeline obtained is relatively accurate, and a high measurement accuracy can be guaranteed; in addition, the fuel consumption is obtained based on the remaining fuel in the measurement fuel tank, the fuel storage in the fuel tank, and the total fuel passing through the metering pipe. The measurement fuel tank is a fuel tank with a regular shape, which ensures the accuracy of multiple data and further improves the accuracy of fuel consumption; finally, the economic cost of the metering pipe and the measurement fuel tank is small, which further reduces the detection cost.

[0059] The embodiment of this specification also provides a fuel consumption detection system. Figure 2 As shown in the schematic connection diagram of a fuel consumption detection system provided by the embodiment of this specification, Figure 2 as shown, the fuel consumption detection system includes an oil pump, a pressure regulating valve, a pressure stabilizing tank, a plurality of metering pipes, solenoid valves, and a measurement fuel tank. The oil pump is connected to the pressure regulating valve, and the inlet oil pressure in the fuel consumption detection system is controlled through the pressure regulating valve to maintain a stable pressure state. The opening and closing of the metering pipe are adjusted through the solenoid valve. Under the condition of stable pressure, the flow rate of the oil outlet with different pipe diameters is controlled in combination to determine the fuel consumption; on the other hand, the opening and closing conditions of each metering pipe can also be determined. Under the condition that the state of the metering pipe is constant, that is, the oil outlet pipeline is fixed, the fuel consumption is determined by adjusting the inlet oil pressure through the pressure regulating valve. The oil pump is also connected to the pressure stabilizing tank to form a flow path; a plurality of metering pipes are arranged in the pressure stabilizing tank, and solenoid valves are arranged at the metering pipes to control the opening and closing of each metering pipe through the solenoid valves. In addition, the other end of the metering pipe is connected to the measurement fuel tank.

[0060] In an embodiment of this specification, under the condition of stable pressure, the flow rate output by the same metering pipe per unit time is constant. In Figure 2 four metering pipes are shown, and the pipeline flow rates of the four metering pipes can be set according to a flow rate ratio of 1:2:2:5.

[0061] In an embodiment of this specification, if the metering pipe switches frequently or the error is too large, a micro flowmeter can also be arranged at the flowmeter arrangement point 1 in Figure 2 after the pressure regulating valve shunts between the oil pump and the pressure stabilizing tank; a micro flowmeter is arranged between the metering pipe and the measurement fuel tank, that is, Figure 2 at the flowmeter arrangement point 2 in.

[0062] In one embodiment of the present specification, the fuel consumption detection system is connected to the metering system and the engine. Next, taking the fuel flow path as an example for illustration, the metering system feeds oil, and after the fuel flows through the oil pump, it enters the pressure stabilizing tank through the pressure regulation of the pressure regulating valve. The pressure regulating valve ensures that the pressure in the pressure stabilizing tank remains constant. If the inlet pressure is higher than the preset return oil pressure value, a part of the oil volume is returned to the metering system through the pressure regulating valve to ensure the constant pressure in the pressure stabilizing tank. The outflowing oil volume flows into the measurement fuel tank and supplies fuel to the engine through the measurement fuel tank.

[0063] During the actual operation of the engine, for the oil volume provided to the engine, the engine will not consume all of it, and a part of the oil volume will return to the measurement fuel tank, forming a dynamic balance, that is, the process of engine inlet oil and engine return oil in the figure.

[0064] The embodiment of the present specification also provides a fuel consumption detection device for a construction machinery vehicle, as Figure 3 shown, the device includes: at least one processor; and a memory communicatively connected to the at least one processor; wherein, the memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor to enable the at least one processor to:

[0065] Control the working states of multiple metering pipes, generate the working state data of each metering pipe, wherein the working state includes an open state and a closed state; calculate the total oil passing volume of the metering pipes according to the working state data of each metering pipe; obtain the remaining oil volume in the measurement fuel tank according to a preset method; generate the fuel consumption amount through the total oil passing volume of the metering pipes, the remaining oil volume, and the pre-obtained fuel tank storage volume in the measurement fuel tank.

[0066] The embodiment of the present specification also provides a non-volatile computer storage medium storing computer-executable instructions, and the computer-executable instructions are set to:

[0067] Control the working states of multiple metering pipes, generate the working state data of each metering pipe, wherein the working state includes an open state and a closed state; calculate the total oil passing volume of the metering pipes according to the working state data of each metering pipe; obtain the remaining oil volume in the measurement fuel tank according to a preset method; generate the fuel consumption amount through the total oil passing volume of the metering pipes, the remaining oil volume, and the pre-obtained fuel tank storage volume in the measurement fuel tank.

[0068] Each embodiment in this specification is described in a progressive manner. For the same or similar parts among the embodiments, reference can be made to each other, and the differences between each embodiment and other embodiments are emphasized. In particular, for the embodiments of the device, equipment, and non-volatile computer storage medium, since they are basically similar to the method embodiments, the description is relatively simple, and reference can be made to the corresponding parts of the method embodiments for the relevant content.

[0069] The specific embodiments of this specification have been described above. Other embodiments are within the scope of the appended claims. In some cases, the actions or steps recited in the claims can be performed in a different order than in the embodiments and still achieve the desired results. Additionally, the processes depicted in the figures do not necessarily require the particular order or sequential order shown to achieve the desired results. In certain embodiments, multitasking and parallel processing are also possible or may be advantageous.

[0070] The above description is only for one or more embodiments of this specification and is not intended to limit this specification. For those skilled in the art, various modifications and changes can be made to one or more embodiments of this specification. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of one or more embodiments of this specification shall be included within the scope of the claims of this specification.

Claims

1. A fuel consumption detection method for a construction machinery vehicle, characterized in that Applied to a fuel consumption detection system, wherein the fuel consumption detection system includes a plurality of metering pipes and a measurement fuel tank, the metering pipes are all connected to the measurement fuel tank, and the fuel consumption detection system is arranged between the metering system of the construction machinery vehicle and the engine of the construction machinery vehicle. The method includes: Controlling the working states of a plurality of metering pipes to generate working state data for each metering pipe, wherein the working states include an open state and a closed state; Calculating the total oil passing through the metering pipes according to the working state data of each metering pipe, wherein the working state data of the metering pipe includes the working state of the metering pipe, the pipeline flow rate of the metering pipe, and the opening time of the metering pipe; Obtaining the remaining oil quantity in the measurement fuel tank according to a preset method; Generating the fuel consumption through the total oil passing through the metering pipes, the remaining oil quantity, and the pre-obtained fuel tank storage capacity in the measurement fuel tank; The fuel consumption detection system further includes a solenoid valve. Controlling the working states of a plurality of metering pipes specifically includes: Obtaining the operating state of the construction machinery vehicle; When the pressure of the fuel consumption detection system is constant, based on the operating state of the construction machinery vehicle, controlling the working states of a plurality of metering pipes through the solenoid valve, and the working states include an open state and a closed state; Calculating the total oil passing through the metering pipes according to the working state data of each metering pipe, specifically including: Determining one or more specified metering pipes with the working state being the open state according to the working state in the working state data of each metering pipe; Obtaining the pipeline flow rate and the opening time of each specified metering pipe; Obtaining the oil passing through quantity of each specified metering pipe through the product of the pipeline flow rate and the opening time; Based on the oil passing through quantity of each specified metering pipe, performing a summation operation on the oil passing through quantities of the one or more specified metering pipes to obtain the total oil passing through the metering pipes.

2. The fuel consumption detection method of a construction machinery vehicle according to claim 1, characterized in that, Generating the fuel consumption through the total oil passing through the metering pipes, the remaining oil quantity, and the pre-obtained fuel tank storage capacity in the measurement fuel tank, specifically including: Based on the total oil passing through the metering pipes, the fuel tank storage capacity, and the remaining oil quantity, calculating the fuel consumption according to the following formula: ， Among them, X R is the fuel consumption, Y0 is the fuel storage in the measurement fuel tank, and Y t is the remaining fuel in the measurement fuel tank, and G total is the total fuel passing through the metering pipe in the metering pipe.

3. A fuel consumption detection method for a construction machinery vehicle according to claim 1, characterized in that The fuel consumption detection system further includes a pressure regulating valve, and the pressure regulating valve is connected to the plurality of metering pipes. Controlling the working states of a plurality of metering pipes specifically includes: Obtaining the operating state of the construction machinery vehicle and the pre-determined working state of each metering pipe, and the working states include an open state and a closed state; When the working state of each metering pipe is constant, based on the operating state of the construction machinery vehicle, controlling the current pressure in the fuel consumption system through the pressure regulating valve so as to determine the total oil passing through the metering pipes based on the current pressure.

4. The fuel consumption detection method for a construction machinery vehicle according to claim 1, wherein, Obtaining the remaining oil quantity in the measurement fuel tank according to a preset method, specifically including: Collecting an image of the remaining oil quantity in the measurement fuel tank through a pre-set image acquisition device; Obtaining the remaining oil quantity in the measurement fuel tank through image analysis of the remaining oil quantity image.

5. A fuel consumption detection method for a construction machinery vehicle according to claim 4, characterized in that, Obtaining the remaining oil quantity in the measurement fuel tank through image analysis of the remaining oil quantity image, specifically including: Pre-obtain the fuel tank oil storage image corresponding to the fuel tank oil storage volume; Convert the fuel tank oil storage image into a fuel tank oil storage grayscale image, and determine the pixel position and pixel value of each pixel point in the fuel tank oil storage grayscale image; Convert the remaining oil volume image into a remaining oil volume grayscale image, and determine the pixel position and pixel value of each pixel point in the remaining oil volume grayscale image; According to the pixel positions of each pixel point in the fuel tank oil storage grayscale image and the pixel positions of each pixel point in the remaining oil volume grayscale image, two pixel points at the same position are combined into a pixel point pair; Compare the pixel values of the two pixel points in the pixel point pair. If the difference between the pixel values of the two pixel points is greater than a preset threshold, label the pixel point pair; Obtain multiple labeled labeled pixel point pairs; Based on the pixel positions of each pixel point in the labeled pixel point pair, calculate the labeled area composed of multiple specified pixel points, where the specified pixel point is the pixel point located in the remaining oil volume grayscale image among the multiple labeled pixel point pairs; Calculate the ratio of the labeled area to the image area of the pre-obtained fuel tank oil storage image, and calculate the product of the ratio and the fuel tank oil storage volume to obtain the remaining oil volume in the measured fuel tank.

6. A fuel consumption detection method for a construction machinery vehicle according to claim 1, characterized in that, Obtain the remaining oil volume in the measured fuel tank according to a preset method, specifically including: Pre-set a sensor in the measured fuel tank; When the sensor is a pressure sensor, obtain the pressure data of the pressure sensor; Through the pressure data, calculate the remaining oil volume in the measured fuel tank according to the following formula: ， Among them, Y t is the remaining fuel quantity in the measurement fuel tank, F Y is the pressure data, is 9.8 N / kg, is the fuel density.

7. A fuel consumption detection device for a construction machinery vehicle, characterized in that, The device includes: At least one processor; and, A memory communicatively connected to the at least one processor; wherein, The memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor so that the at least one processor can execute the method according to any one of claims 1-6.

8. A non-volatile computer storage medium storing computer-executable instructions, the computer-executable instructions being set to: execute the method according to any one of claims 1-6.

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