Double-tank diesel engine energy consumption measuring device

Abstract

The invention relates to the technical field of diesel engines, and particularly discloses a double-tank diesel engine energy consumption measuring device which comprises a measuring oil tank, an oil return oil tank and a base, a vibration sensor is installed on the upper surface of the base, a first measuring pipe is installed at the upper end of the measuring oil tank, and a second measuring pipe is installed at the upper end of the oil return oil tank. One side end of the second measuring pipe is connected with a first oil outlet pipe, flow meters are installed on the outer sides of the first measuring pipe and the second measuring pipe, a first oil pump is installed at the lower end of the first measuring pipe and located on the upper surface of the base, and a second oil pump is installed at the lower end of the second measuring pipe and located on the upper surface of the base. An electric control box is mounted on the right side walls of the measuring oil tank and the return oil tank. The running state and the oil consumption rate of the diesel engine are detected through the sensor, the running health degree of the diesel engine is analyzed in combination with an AI large model, and the functions of fault early warning, precise maintenance and oil consumption statistics of the diesel engine are achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of diesel engines, and particularly relates to a double-tank diesel engine energy consumption measuring device. BACKGROUND

[0002] A marine diesel engine is a core equipment of a ship power system, is widely applied to various ships, and has an important position and role. A working principle of the marine diesel engine is based on a four-stroke or two-stroke cycle. Taking a four-stroke diesel engine as an example, a piston moves from a top dead center to a bottom dead center, a negative pressure is formed in a cylinder, air enters the cylinder through an air inlet valve, the piston moves to the top dead center, air in the cylinder is compressed, and temperature and pressure of the air are sharply increased. When the piston approaches the top dead center, a fuel injector sprays fuel into the high-temperature and high-pressure air, the fuel is rapidly combusted, a large amount of heat energy is generated, the pressure in the cylinder is sharply increased, and the piston is driven to move downward, a connecting rod drives a crankshaft to rotate, and the heat energy is converted into mechanical energy. The piston moves from the bottom dead center to the top dead center, and exhaust gas after combustion is discharged from the cylinder through an exhaust valve. Therefore, the size of energy consumption of the diesel engine determines the operation cost of the ship.

[0003] However, at present, energy consumption monitoring of the diesel engine is mainly performed by using a fuel consumption method (a flowmeter method). Therefore, the detection result is greatly affected by various factors, and the detection result is not accurate enough. SUMMARY

[0004] In view of the existing problems, the present application provides a double-tank diesel engine energy consumption measuring device. The device can effectively solve the problems in the background art when used in combination.

[0005] To solve the above problems, the present application adopts the following technical solution:

[0006] The utility model provides a double tank diesel engine energy consumption measuring device, including measuring oil tank, oil return tank, base, the upper surface of base is installed vibration sensor, the upper end of measuring oil tank is installed first measuring pipe, the upper end of oil return tank is installed second measuring pipe, one side end of second measuring pipe is connected with first oil outlet pipe, the outside of first measuring pipe and second measuring pipe all is installed flowmeter, the left side of first measuring pipe is located the upper surface of measuring oil tank and is installed first anti -explosion liquid level meter, the left side of second measuring pipe is located the upper surface of oil return tank and is installed second anti -explosion liquid level meter, the lower end of first measuring pipe is located the upper surface of base and is installed first oil pump, the lower end of second measuring pipe is located the upper surface of base and is installed second oil pump, the right side wall of measuring oil tank and oil return tank is installed electric control box, one side end of first oil pump is installed Y type filter, the end of Y type filter is installed second oil inlet, the left side wall of measuring oil tank is installed emergency valve, and emergency pipeline is connected between emergency valve and Y type filter, the right side wall of measuring oil tank is installed second oil outlet, and the inside of second oil outlet is installed two -piece valve, and the upper of two -piece valve is installed flow switch.

[0007] As a further scheme of the utility model: the first oil outlet pipe is connected with a filter at a side end away from the second measuring pipe, an exhaust valve is installed on the upper surface of the measuring oil tank at the right side of the first measuring pipe, a pressure gauge is connected to the outside end of the exhaust valve and the filter, and an anti-explosion electromagnetic valve is installed on the upper end of the first measuring pipe and the second measuring pipe.

[0008] As a further scheme of the utility model: a first oil inlet pipe is installed on the side surface of the oil return tank at a side of the first oil outlet pipe.

[0009] As a further scheme of the utility model: high and low liquid level gauges are installed inside the measuring oil tank and the oil return tank, a daily storage oil tank is connected to the second oil pump, a single chip and a chip are integrally arranged inside the electric control box, and an online monitoring device and an offline analysis device are connected to the electric control box.

[0010] As a further scheme of the utility model: an exhaust pipe is installed on the upper end of the exhaust valve.

[0011] As a further scheme of the utility model: the first measuring pipe is connected through the measuring oil tank, the first oil outlet pipe is connected through the oil return tank, and the second measuring pipe is connected through the filter and the first oil outlet pipe.

[0012] As a further scheme of the utility model: the second oil outlet is connected through the measuring oil tank.

[0013] As a further scheme of the present application: the online monitoring device comprises a temperature sensor, a capacitance sensor and a smoke particle detector.

[0014] As a further scheme of the present application: the offline analysis device comprises a big data acquisition system, AI and big data analysis, satellite communication and an Internet of Things system.

[0015] As a further scheme of the present application: the Y-shaped filter is connected with the emergency valve through the emergency pipeline.

[0016] Compared with the prior art, the present application has the following beneficial effects:

[0017] 1. By adopting an integrated installation of the measuring oil tank and the oil return tank, the on-site installation process requirement is greatly reduced, the precision is not affected by the on-site installation process, the oil inlet measuring flow rate is relatively constant, the oil inlet measuring precision is greatly improved, and the measuring error caused by the dramatic change of the throttle is avoided.

[0018] 2. The diesel engine health degree analysis AI model is combined to accurately analyze the working condition performance of the diesel engine, early warning is realized, the diesel engine is prevented from working with diseases, and the supervision intensity of the on-site ship engine production safety is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of a double-tank diesel engine energy consumption measuring device.

[0020] Figure 2 It is a structural schematic view of a double-tank diesel engine energy consumption measuring device.

[0021] Figure 3 It is a side view of an oil return tank in a double-tank diesel engine energy consumption measuring device.

[0022] Figure 4 It is a side view of a measuring oil tank in a double-tank diesel engine energy consumption measuring device.

[0023] Figure 5 It is a principle diagram of an oil tank operation in a double-tank diesel engine energy consumption measuring device.

[0024] Figure 6 It is a sensor system frame diagram in a double-tank diesel engine energy consumption measuring device.

[0025] In the figure: 1, measuring oil tank; 2, return oil tank; 3, electric control box; 4, first measuring pipe; 5, flow meter; 6, emergency valve; 7, first oil pump; 8, emergency pipeline; 9, second oil pump; 10, vibration sensor; 11, second measuring pipe; 12, first oil outlet pipe; 13, first oil inlet pipe; 14, first explosion-proof liquid level meter; 1401, second explosion-proof liquid level meter; 15, exhaust valve; 16, pressure gauge; 17, filter; 18, second oil inlet; 19, second oil outlet; 20, flow switch; 21, Y-type filter; 22, explosion-proof electromagnetic valve; 23, base. DETAILED DESCRIPTION

[0026] The application will be further described below in conjunction with the specific application. The technical solutions in the embodiments of the application are described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the application, but not all the embodiments of the application. Based on the embodiments of the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0027] In the description of the present specification, the description of the terms "the present embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0028] As Figures 1-4As shown, this embodiment provides a dual-tank diesel engine energy consumption measuring device, including a measuring oil tank 1, a return oil tank 2, and a base 23. A vibration sensor 10 is installed on the upper surface of the base 23. A first measuring tube 4 is installed at the upper end of the measuring oil tank 1, and the first measuring tube 4 is connected to the measuring oil tank 1. A first oil outlet pipe 12 is connected to the return oil tank 2. A second measuring tube 11 is installed at the upper end of the return oil tank 2. One side end of the second measuring tube 11 is connected to the first oil outlet pipe 12. Flow meters 5 are installed on the outer sides of both the first measuring tube 4 and the second measuring tube 11. A first explosion-proof level gauge 14 is installed on the left side of the first measuring tube 4 on the upper surface of the measuring oil tank 1, and a second explosion-proof level gauge 1401 is installed on the left side of the second measuring tube 11 on the upper surface of the return oil tank 2. A first oil pump 7 is installed at the lower end of the first measuring tube 4 on the upper surface of the base 23, and the lower end of the second measuring tube 11 is installed on the upper surface of the base 23. A second oil pump 9 is installed. An electrical control box 3 is installed on the right side wall of the measuring oil tank 1 and the return oil tank 2. A Y-type filter 21 is installed on one side of the first oil pump 7. A second oil inlet 18 is installed at the end of the Y-type filter 21. An emergency valve 6 is installed on the left side wall of the measuring oil tank 1. An emergency pipe 8 connects the emergency valve 6 and the Y-type filter 21. The Y-type filter 21 is connected to the emergency valve 6 through the emergency pipe 8. A second oil outlet 19 is installed on the right side wall of the measuring oil tank 1. The first oil pump 7 and the second oil pump 9 used for the inlet and outlet of the measuring oil tank 1 and the return oil tank 2 are both oil pumps, which can ensure that the flow meter 5 can measure stably and accurately when the oil is inlet and outlet. When the oil is returned, a spiral gas-liquid separation mechanism is used to achieve efficient gas-liquid separation and accurate measurement of the returned oil. A two-piece valve is installed inside the second oil outlet 19. A flow switch 20 is installed above the two-piece valve.

[0029] like Figures 2-4 As shown, in this embodiment, the first oil outlet pipe 12 is connected to a filter 17 on the side away from the second measuring pipe 11. The second measuring pipe 11 and the filter 17 are connected to the first oil outlet pipe 12. An exhaust valve 15 is installed on the upper surface of the measuring oil tank 1 on the right side of the first measuring pipe 4. An exhaust pipe is installed on the upper end of the exhaust valve 15. Pressure gauges 16 are connected to the outer ends of the exhaust valve 15 and the filter 17. Explosion-proof solenoid valves 22 are installed on the upper ends of the first measuring pipe 4 and the second measuring pipe 11. A first oil inlet pipe 13 is installed on the side surface of the return oil tank 2 on one side of the first oil outlet pipe 12. High and low level gauges are installed inside the measuring oil tank 1 and the return oil tank 2. The second oil pump 9 is externally connected to the daily storage oil tank.

[0030] like Figures 5-6As shown, in the present embodiment, the inside of the electric control box 3 is integrally provided with a single-chip microcomputer (model: PSOC5) and a chip (model: DSP) for data acquisition, digital input and output, etc., and has the ability to resist electromagnetic interference. The electric control box 3 is externally connected to an online monitoring device and an offline analysis device. The online monitoring device includes a temperature sensor, a capacitance sensor, a smoke particle detector, and a vibration sensor 10 installed on the outside of the exhaust pipe at the upper end of the exhaust valve 15. The vibration, temperature, pressure, fuel injection amount, and individual diesel engine parameters are collected in real time to establish a health evaluation criterion (whether the current measurement value of each component sensor exceeds the sensor threshold value of the diesel engine bench test report) and a database, and to realize real-time evaluation of the diesel engine state. Multi-sensor fusion can integrate vibration, oil, emission, and multi-source data of fuel consumption to improve diagnostic accuracy. The offline analysis device includes a big data acquisition system, AI and big data analysis, satellite communication, and an Internet of Things (IoT) system. Big data acquisition is combined with the bench test report for comparison. By analyzing the trend of the measurement values of each sensor, it is determined which component has a problem, and the diagnostic accuracy is improved. AI and big data analysis are combined to analyze the trend of the measurement values of each sensor, and accurate guidance is provided for maintenance based on the trend changes. 4G / 5G, satellite communication, and IoT technology are used to realize remote real-time monitoring.

[0031] The working principle of the present application is that the measuring device as a whole draws the oil in the daily oil tank into the measuring oil tank 1 through the second oil pump 9, and the start and stop of the fuel pump are automatically controlled through the high-low switch of the high-low liquid level meter inside the return oil tank 2, the flow meter 5 arranged outside the first oil inlet pipe 13 measures the flow of each pump start and stop, and the total oil inlet quantity is automatically accumulated, when the diesel engine is working, the oil gas mixture generated enters the return oil tank 2 through the second oil inlet 18, and after oil gas separation, the oil is deposited in the return oil tank 2, the high-low switch of the high position liquid level meter controls the start and stop of the first oil pump 7, and the oil in the return oil tank 2 is discharged into the daily oil tank, the return flow meter 5 at the position of the second measuring pipe 11 measures the flow of each pump start and stop, and the total return quantity is automatically accumulated, by subtracting the return quantity from the total oil inlet quantity, the device can automatically produce the real-time oil consumption report of each day, the vibration signals of the key components such as the cylinder and bearing of the diesel engine are collected through the vibration sensor 10, the fault characteristics are extracted by using the time domain and frequency domain analysis methods (such as short-time Fourier transform and wavelet analysis) after the vibration signal collection and analysis, the abnormal wear or mechanical failure is identified, the thermal parameters such as the cooling water temperature, lubricating oil temperature and exhaust temperature of the diesel engine are collected through the temperature sensor, the thermal parameters during work are monitored, the engine thermal load state is evaluated in combination with the historical data, the dielectric constant detection method is adopted, the metal particles, pollutants and the like in the lubricating oil are monitored through the capacitance sensor, the engine internal wear condition is evaluated, the tail gas emission data (such as NOx and PM2.5) are measured through the smoke meter, particulate matter detector and other equipment, the combustion efficiency and the status of the aftertreatment system are judged, the health evaluation model is established, and the fault trend is predicted.

[0032] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0033] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] The above merely describes preferred specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art, according to the technical solution and inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A dual tank diesel engine energy consumption measuring device comprising a measuring oil tank (1), a return oil tank (2), a base (23), characterized in that, The upper surface of the base (23) is provided with a vibration sensor (10), the upper end of the measuring oil tank (1) is provided with a first measuring pipe (4), the upper end of the oil return tank (2) is provided with a second measuring pipe (11), one side end of the second measuring pipe (11) is connected with a first oil outlet pipe (12), the outer sides of the first measuring pipe (4) and the second measuring pipe (11) are both provided with flow meters (5), the left side of the first measuring pipe (4) is provided with a first explosion-proof liquid level meter (14) on the upper surface of the measuring oil tank (1), the left side of the second measuring pipe (11) is provided with a second explosion-proof liquid level meter (1401) on the upper surface of the oil return tank (2), the lower end of the first measuring pipe (4) is provided with a first oil pump (7) on the upper surface of the base (23), the lower end of the second measuring pipe (11) is provided with a second oil pump (9) on the upper surface of the base (23), the right side walls of the measuring oil tank (1) and the oil return tank (2) are provided with an electric control box (3), one side end of the first oil pump (7) is provided with a Y-shaped filter (21), the end of the Y-shaped filter (21) is provided with a second oil inlet (18), the left side wall of the measuring oil tank (1) is provided with an emergency valve (6), the emergency valve (6) and the Y-shaped filter (21) are connected with an emergency pipeline (8), the right side wall of the measuring oil tank (1) is provided with a second oil outlet (19), the second oil outlet (19) is internally provided with a two-piece valve, and the two-piece valve is provided with a flow switch (20) above.

2. A dual tank diesel engine fuel consumption measuring device as claimed in claim 1 wherein, The first oil outlet pipe (12) is connected with a filter (17) at the side end away from the second measuring pipe (11), the right side of the first measuring pipe (4) is provided with an exhaust valve (15) on the upper surface of the measuring oil tank (1), the outer side ends of the exhaust valve (15) and the filter (17) are both connected with pressure gauges (16), and the upper ends of the first measuring pipe (4) and the second measuring pipe (11) are both provided with explosion-proof electromagnetic valves (22).

3. A dual tank diesel engine fuel consumption measuring device as claimed in claim 1, wherein, One side of the first oil outlet pipe (12) is provided with a first oil inlet pipe (13) on the side surface of the oil return tank (2).

4. A dual tank diesel engine fuel consumption measuring device as claimed in claim 1, wherein, The measuring oil tank (1) and the oil return tank (2) are both internally provided with high-low liquid level meters, the second oil pump (9) is externally connected with a daily storage oil tank, and the electric control box (3) is internally integrated with a single-chip microcomputer and a chip.

5. A dual tank diesel engine fuel consumption measuring device as claimed in claim 2, wherein, The upper end of the exhaust valve (15) is provided with an exhaust pipe.

6. A dual tank diesel engine consumption measuring device as claimed in claim 2, wherein, The first measuring pipe (4) is in through connection with the measuring oil tank (1), the first oil outlet pipe (12) is in through connection with the oil return tank (2), and the second measuring pipe (11) is in through connection with the filter (17) and the first oil outlet pipe (12).

7. A dual tank diesel engine consumption measuring device as claimed in claim 1, wherein, The second oil outlet (19) is in through connection with the measuring oil tank (1).

8. A dual tank diesel engine consumption measuring device as claimed in claim 4, wherein, The online monitoring device comprises a temperature sensor, a capacitive sensor and a smoke particle detector.

9. A dual tank diesel engine consumption measuring device as claimed in claim 4, wherein, The offline analysis device comprises a big data acquisition system, AI and big data analysis, a satellite communication and Internet of Things system.

10. The dual tank diesel engine consumption measuring device of claim 1, wherein, The Y-shaped filter (21) is connected with the emergency valve (6) through the emergency pipeline (8).

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