A device and method for measuring instantaneous fuel consumption of a diesel engine

A technology of measuring device and measuring method, which is applied in the direction of measuring device, relative volume flow measurement, liquid/fluid solid measurement, etc., and can solve the problem of inability to use artificial refueling liquid level dynamic balance method, large change of engine oil volume, oil pan liquid level, etc. problems such as large fluctuations

Active Publication Date: 2022-05-31
WEICHAI HEAVY MACHINERY CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the heavy weight of the diesel engine, the direct weighing method cannot be used; the diesel engine needs to be lubricated after shutdown and the static method cannot be used; for safety reasons, it is not allowed to open the body cover during the operation of the diesel engine and for a short time after shutdown, and manual refueling cannot be used Liquid level dynamic balance method: During the operation of the diesel engine, due to the large flow rate of the oil pump and the impact of the oil falling back on the liquid level of the oil pan, the liquid level of the oil pan fluctuates greatly. The operability of the balance method is poor, and it is impossible to judge whether the liquid level is balanced by counting oil droplets

Method used

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  • A device and method for measuring instantaneous fuel consumption of a diesel engine
  • A device and method for measuring instantaneous fuel consumption of a diesel engine
  • A device and method for measuring instantaneous fuel consumption of a diesel engine

Examples

Experimental program
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Embodiment 1

[0023] as Figure 1 、 Figure 2 、 Figure 3 and Figure 4 Commonly shown, a diesel engine instantaneous fuel consumption measurement device, comprising a pressure regulator box 2, the regulator box 2 through the inlet pipe 3 and the outlet pipe 4 and the oil pan 1 communication, the inlet pipe 3 and the outlet pipe 4 are installed on the check valve 5. Check valve 5 includes a valve body 6 and a valve plate 7 installed in the mounting groove on the side of the valve body, the upper end of the valve plate 7 is rotated with the valve body 6, when the oil flows from the side of the valve body 6 not connected to the valve plate 7 through the check valve 5, the valve plate 7 is opened. Valve plate 7 is opened with a small hole 8, two check valves 5 mounted in opposite directions. The pressure regulator 2 is provided with a drop line 11, the drop line 11 is provided with a drip shut-off valve 13, the drip port 11 of the drop tube 12 is provided below the oil connection tank 16. The oil pres...

Embodiment 2

[0027] as Figure 4 As shown, the measurement method of the diesel engine instantaneous fuel consumption measurement device, comprising the following steps:

[0028](1) After the oil temperature in the oil pan 1 of the diesel engine runs for a period of time reaches stability, open the oil inlet shut-off valve 9 on the inlet pipe 3 and the oil outlet shut-off valve 10 on the outlet pipe 4, by observing the oil pan 1 and the liquid level 14 on the regulator box 2, adjust the adjustment screw 15 on the regulator box 2 so that the oil level in the regulator box 2 is roughly the same as the oil level in the oil pan 1.

[0029] (2) When the oil level in the oil pan 1 is roughly the same as the height of the drop pipe 11, open the drip shut-off valve 13, and judge the liquid level by observing the oil drop 12 oil droplets. When the oil drip port 12 oil droplets at a rate of 30 to 35 drops per minute, the liquid level is considered to be balanced, close the drip shut-off valve 13, empty t...

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PUM

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Abstract

The invention discloses a device and method for measuring instantaneous fuel consumption of a diesel engine, belonging to the technical field of fuel consumption measurement. A one-way valve is installed on the oil outlet pipe, an oil dripping pipe is arranged on the pressure stabilizing tank, an oil dripping stop valve is arranged on the oil dripping pipe, and an oil receiving tank is arranged below the oil dripping port of the oil dripping pipe The one-way valve includes a valve body and a valve plate installed in the installation groove on one side of the valve body, the upper end of the valve plate is rotatably connected with the valve body, and a small hole is opened on the valve plate, The oil consumption rate of the diesel engine is measured by using the liquid level balance method on the pressure stabilizing tank. The on-off of the check valve can quickly and roughly adjust the liquid level, and the small holes on the valve plate can realize precise fine-tuning of the liquid level, ensuring the accuracy of the measurement.

Description

Technical field [0001] The present invention belongs to the field of fuel consumption measurement technology, specifically relates to a diesel engine instantaneous fuel consumption measurement device and measurement method. Background [0002] Large marine diesel engines need to measure oil consumption, especially instantaneous fuel consumption. Due to the self-weighting of the diesel engine, it is impossible to use the direct weighing method; the diesel engine needs to be forced to lubricate after the shutdown; for safety considerations, the diesel engine operation process and the short period of time after the shutdown are not allowed to open the body cover, nor can the manual refueling liquid level dynamic balance method be used; during the operation of the diesel engine, due to the large flow of the oil pump, the oil falling back to impact the oil pan liquid level makes the oil pan liquid level fluctuate greatly, and the oil volume in the oil pan changes greatly due to the te...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F9/00
CPCG01F9/00Y02T10/40
Inventor 屈传水张波王刚
Owner WEICHAI HEAVY MACHINERY CO LTD
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